Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 17 | #define LOG_TAG "OpenGLRenderer" |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 18 | |
| 19 | #include <stdlib.h> |
| 20 | #include <stdint.h> |
| 21 | #include <sys/types.h> |
| 22 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 23 | #include <SkCanvas.h> |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 24 | #include <SkPathMeasure.h> |
Romain Guy | 694b519 | 2010-07-21 21:33:20 -0700 | [diff] [blame] | 25 | #include <SkTypeface.h> |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 26 | |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 27 | #include <utils/Log.h> |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 28 | #include <utils/StopWatch.h> |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 29 | |
Romain Guy | 08aa2cb | 2011-03-17 11:06:57 -0700 | [diff] [blame] | 30 | #include <private/hwui/DrawGlInfo.h> |
| 31 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 32 | #include <ui/Rect.h> |
| 33 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 34 | #include "OpenGLRenderer.h" |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 35 | #include "DeferredDisplayList.h" |
Romain Guy | 0fe478e | 2010-11-08 12:08:41 -0800 | [diff] [blame] | 36 | #include "DisplayListRenderer.h" |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 37 | #include "PathTessellator.h" |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 38 | #include "Properties.h" |
Romain Guy | a957eea | 2010-12-08 18:34:42 -0800 | [diff] [blame] | 39 | #include "Vector.h" |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 40 | |
| 41 | namespace android { |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 42 | namespace uirenderer { |
| 43 | |
| 44 | /////////////////////////////////////////////////////////////////////////////// |
| 45 | // Defines |
| 46 | /////////////////////////////////////////////////////////////////////////////// |
| 47 | |
Romain Guy | 759ea80 | 2010-09-16 20:49:46 -0700 | [diff] [blame] | 48 | #define RAD_TO_DEG (180.0f / 3.14159265f) |
| 49 | #define MIN_ANGLE 0.001f |
| 50 | |
Romain Guy | f877308 | 2012-07-12 18:01:00 -0700 | [diff] [blame] | 51 | #define ALPHA_THRESHOLD 0 |
Romain Guy | dbc26d2 | 2010-10-11 17:58:29 -0700 | [diff] [blame] | 52 | |
Romain Guy | 713e1bb | 2012-10-16 18:44:09 -0700 | [diff] [blame] | 53 | #define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 54 | |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 55 | /////////////////////////////////////////////////////////////////////////////// |
| 56 | // Globals |
| 57 | /////////////////////////////////////////////////////////////////////////////// |
| 58 | |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 59 | /** |
| 60 | * Structure mapping Skia xfermodes to OpenGL blending factors. |
| 61 | */ |
| 62 | struct Blender { |
| 63 | SkXfermode::Mode mode; |
| 64 | GLenum src; |
| 65 | GLenum dst; |
| 66 | }; // struct Blender |
| 67 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 68 | // In this array, the index of each Blender equals the value of the first |
| 69 | // entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] |
| 70 | static const Blender gBlends[] = { |
Romain Guy | 2ffefd4 | 2011-09-08 15:33:03 -0700 | [diff] [blame] | 71 | { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, |
| 72 | { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, |
| 73 | { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, |
| 74 | { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, |
| 75 | { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, |
| 76 | { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, |
| 77 | { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, |
| 78 | { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, |
| 79 | { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, |
| 80 | { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, |
| 81 | { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, |
| 82 | { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, |
| 83 | { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, |
Derek Sollenberger | d81ec45 | 2013-02-04 15:42:26 -0500 | [diff] [blame] | 84 | { SkXfermode::kModulate_Mode, GL_ZERO, GL_SRC_COLOR }, |
Romain Guy | 2ffefd4 | 2011-09-08 15:33:03 -0700 | [diff] [blame] | 85 | { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 86 | }; |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 87 | |
Romain Guy | 87a7657 | 2010-09-13 18:11:21 -0700 | [diff] [blame] | 88 | // This array contains the swapped version of each SkXfermode. For instance |
| 89 | // this array's SrcOver blending mode is actually DstOver. You can refer to |
| 90 | // createLayer() for more information on the purpose of this array. |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 91 | static const Blender gBlendsSwap[] = { |
Romain Guy | 2ffefd4 | 2011-09-08 15:33:03 -0700 | [diff] [blame] | 92 | { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, |
| 93 | { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, |
| 94 | { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, |
| 95 | { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, |
| 96 | { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, |
| 97 | { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, |
| 98 | { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, |
| 99 | { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, |
| 100 | { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, |
| 101 | { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, |
| 102 | { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, |
| 103 | { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, |
| 104 | { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, |
Derek Sollenberger | d81ec45 | 2013-02-04 15:42:26 -0500 | [diff] [blame] | 105 | { SkXfermode::kModulate_Mode, GL_DST_COLOR, GL_ZERO }, |
Romain Guy | 2ffefd4 | 2011-09-08 15:33:03 -0700 | [diff] [blame] | 106 | { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 107 | }; |
| 108 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 109 | /////////////////////////////////////////////////////////////////////////////// |
| 110 | // Constructors/destructor |
| 111 | /////////////////////////////////////////////////////////////////////////////// |
| 112 | |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 113 | OpenGLRenderer::OpenGLRenderer(): |
| 114 | mCaches(Caches::getInstance()), mExtensions(Extensions::getInstance()) { |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 115 | mDrawModifiers.mShader = NULL; |
| 116 | mDrawModifiers.mColorFilter = NULL; |
| 117 | mDrawModifiers.mHasShadow = false; |
| 118 | mDrawModifiers.mHasDrawFilter = false; |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 119 | |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 120 | memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); |
| 121 | |
Romain Guy | ae5575b | 2010-07-29 18:48:04 -0700 | [diff] [blame] | 122 | mFirstSnapshot = new Snapshot; |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 123 | |
| 124 | mScissorOptimizationDisabled = false; |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 125 | } |
| 126 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 127 | OpenGLRenderer::~OpenGLRenderer() { |
Romain Guy | 29d8997 | 2010-09-22 16:10:57 -0700 | [diff] [blame] | 128 | // The context has already been destroyed at this point, do not call |
| 129 | // GL APIs. All GL state should be kept in Caches.h |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 130 | } |
| 131 | |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 132 | void OpenGLRenderer::initProperties() { |
| 133 | char property[PROPERTY_VALUE_MAX]; |
| 134 | if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { |
| 135 | mScissorOptimizationDisabled = !strcasecmp(property, "true"); |
| 136 | INIT_LOGD(" Scissor optimization %s", |
| 137 | mScissorOptimizationDisabled ? "disabled" : "enabled"); |
| 138 | } else { |
| 139 | INIT_LOGD(" Scissor optimization enabled"); |
| 140 | } |
Romain Guy | 13631f3 | 2012-01-30 17:41:55 -0800 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 144 | // Setup |
| 145 | /////////////////////////////////////////////////////////////////////////////// |
| 146 | |
Romain Guy | ef35927 | 2013-01-31 19:07:29 -0800 | [diff] [blame] | 147 | void OpenGLRenderer::setName(const char* name) { |
| 148 | if (name) { |
| 149 | mName.setTo(name); |
| 150 | } else { |
| 151 | mName.clear(); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | const char* OpenGLRenderer::getName() const { |
| 156 | return mName.string(); |
| 157 | } |
| 158 | |
Romain Guy | 49c5fc0 | 2012-05-15 11:10:01 -0700 | [diff] [blame] | 159 | bool OpenGLRenderer::isDeferred() { |
| 160 | return false; |
| 161 | } |
| 162 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 163 | void OpenGLRenderer::setViewport(int width, int height) { |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 164 | initViewport(width, height); |
| 165 | |
| 166 | glDisable(GL_DITHER); |
| 167 | glClearColor(0.0f, 0.0f, 0.0f, 0.0f); |
| 168 | |
| 169 | glEnableVertexAttribArray(Program::kBindingPosition); |
| 170 | } |
| 171 | |
| 172 | void OpenGLRenderer::initViewport(int width, int height) { |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 173 | mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 174 | |
| 175 | mWidth = width; |
| 176 | mHeight = height; |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 177 | |
| 178 | mFirstSnapshot->height = height; |
| 179 | mFirstSnapshot->viewport.set(0, 0, width, height); |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 182 | status_t OpenGLRenderer::prepare(bool opaque) { |
Chet Haase | 44b2fe3 | 2012-06-06 19:03:58 -0700 | [diff] [blame] | 183 | return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); |
Romain Guy | 7d7b549 | 2011-01-24 16:33:45 -0800 | [diff] [blame] | 184 | } |
| 185 | |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 186 | status_t OpenGLRenderer::prepareDirty(float left, float top, |
| 187 | float right, float bottom, bool opaque) { |
Romain Guy | fe48f65 | 2010-11-11 15:36:56 -0800 | [diff] [blame] | 188 | mCaches.clearGarbage(); |
| 189 | |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 190 | mSnapshot = new Snapshot(mFirstSnapshot, |
| 191 | SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); |
Romain Guy | 84962f2 | 2011-03-02 15:43:44 -0800 | [diff] [blame] | 192 | mSnapshot->fbo = getTargetFbo(); |
Romain Guy | 8fb9542 | 2010-08-17 18:38:51 -0700 | [diff] [blame] | 193 | mSaveCount = 1; |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 194 | |
Romain Guy | 7d7b549 | 2011-01-24 16:33:45 -0800 | [diff] [blame] | 195 | mSnapshot->setClip(left, top, right, bottom); |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 196 | mTilingClip.set(left, top, right, bottom); |
Romain Guy | 41308e2 | 2012-10-22 20:02:43 -0700 | [diff] [blame] | 197 | mDirtyClip = true; |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 198 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 199 | updateLayers(); |
| 200 | |
Romain Guy | dcfc836 | 2013-01-03 13:08:57 -0800 | [diff] [blame] | 201 | discardFramebuffer(left, top, right, bottom); |
Romain Guy | 45e4c3d | 2012-09-11 17:17:07 -0700 | [diff] [blame] | 202 | |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 203 | syncState(); |
Romain Guy | 7d7b549 | 2011-01-24 16:33:45 -0800 | [diff] [blame] | 204 | |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 205 | // Functors break the tiling extension in pretty spectacular ways |
| 206 | // This ensures we don't use tiling when a functor is going to be |
| 207 | // invoked during the frame |
| 208 | mSuppressTiling = mCaches.hasRegisteredFunctors(); |
| 209 | |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 210 | startTiling(mSnapshot, true); |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 211 | |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 212 | debugOverdraw(true, true); |
| 213 | |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 214 | return clear(left, top, right, bottom, opaque); |
| 215 | } |
| 216 | |
Romain Guy | dcfc836 | 2013-01-03 13:08:57 -0800 | [diff] [blame] | 217 | void OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { |
| 218 | // If we know that we are going to redraw the entire framebuffer, |
| 219 | // perform a discard to let the driver know we don't need to preserve |
| 220 | // the back buffer for this frame. |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 221 | if (mExtensions.hasDiscardFramebuffer() && |
Romain Guy | dcfc836 | 2013-01-03 13:08:57 -0800 | [diff] [blame] | 222 | left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { |
Romain Guy | f158198 | 2013-01-31 17:20:30 -0800 | [diff] [blame] | 223 | const bool isFbo = getTargetFbo() == 0; |
| 224 | const GLenum attachments[] = { |
| 225 | isFbo ? (const GLenum) GL_COLOR_EXT : (const GLenum) GL_COLOR_ATTACHMENT0, |
| 226 | isFbo ? (const GLenum) GL_STENCIL_EXT : (const GLenum) GL_STENCIL_ATTACHMENT }; |
Romain Guy | dcfc836 | 2013-01-03 13:08:57 -0800 | [diff] [blame] | 227 | glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); |
| 228 | } |
| 229 | } |
| 230 | |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 231 | status_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { |
Romain Guy | 6b7bd24 | 2010-10-06 19:49:23 -0700 | [diff] [blame] | 232 | if (!opaque) { |
Romain Guy | 586cae3 | 2012-07-13 15:28:31 -0700 | [diff] [blame] | 233 | mCaches.enableScissor(); |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 234 | mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); |
Romain Guy | 6b7bd24 | 2010-10-06 19:49:23 -0700 | [diff] [blame] | 235 | glClear(GL_COLOR_BUFFER_BIT); |
Chet Haase | 44b2fe3 | 2012-06-06 19:03:58 -0700 | [diff] [blame] | 236 | return DrawGlInfo::kStatusDrew; |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 237 | } |
Chet Haase | 44b2fe3 | 2012-06-06 19:03:58 -0700 | [diff] [blame] | 238 | |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 239 | mCaches.resetScissor(); |
Chet Haase | 44b2fe3 | 2012-06-06 19:03:58 -0700 | [diff] [blame] | 240 | return DrawGlInfo::kStatusDone; |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | void OpenGLRenderer::syncState() { |
| 244 | glViewport(0, 0, mWidth, mHeight); |
| 245 | |
| 246 | if (mCaches.blend) { |
| 247 | glEnable(GL_BLEND); |
| 248 | } else { |
| 249 | glDisable(GL_BLEND); |
Romain Guy | 6b7bd24 | 2010-10-06 19:49:23 -0700 | [diff] [blame] | 250 | } |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 251 | } |
| 252 | |
Romain Guy | 57b5268 | 2012-09-20 17:38:46 -0700 | [diff] [blame] | 253 | void OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 254 | if (!mSuppressTiling) { |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 255 | Rect* clip = &mTilingClip; |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 256 | if (s->flags & Snapshot::kFlagFboTarget) { |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 257 | clip = &(s->layer->clipRect); |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 258 | } |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 259 | |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 260 | startTiling(*clip, s->height, opaque); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | void OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { |
| 265 | if (!mSuppressTiling) { |
| 266 | mCaches.startTiling(clip.left, windowHeight - clip.bottom, |
Romain Guy | 52036b1 | 2013-02-14 18:03:37 -0800 | [diff] [blame] | 267 | clip.right - clip.left, clip.bottom - clip.top, opaque); |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 268 | } |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | void OpenGLRenderer::endTiling() { |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 272 | if (!mSuppressTiling) mCaches.endTiling(); |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 273 | } |
| 274 | |
Romain Guy | b025b9c | 2010-09-16 14:16:48 -0700 | [diff] [blame] | 275 | void OpenGLRenderer::finish() { |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 276 | renderOverdraw(); |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 277 | endTiling(); |
| 278 | |
Romain Guy | ca89e2a | 2013-03-08 17:44:20 -0800 | [diff] [blame] | 279 | // When finish() is invoked on FBO 0 we've reached the end |
| 280 | // of the current frame |
| 281 | if (getTargetFbo() == 0) { |
| 282 | mCaches.pathCache.trim(); |
| 283 | } |
| 284 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 285 | if (!suppressErrorChecks()) { |
Romain Guy | b025b9c | 2010-09-16 14:16:48 -0700 | [diff] [blame] | 286 | #if DEBUG_OPENGL |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 287 | GLenum status = GL_NO_ERROR; |
| 288 | while ((status = glGetError()) != GL_NO_ERROR) { |
| 289 | ALOGD("GL error from OpenGLRenderer: 0x%x", status); |
| 290 | switch (status) { |
| 291 | case GL_INVALID_ENUM: |
| 292 | ALOGE(" GL_INVALID_ENUM"); |
| 293 | break; |
| 294 | case GL_INVALID_VALUE: |
| 295 | ALOGE(" GL_INVALID_VALUE"); |
| 296 | break; |
| 297 | case GL_INVALID_OPERATION: |
| 298 | ALOGE(" GL_INVALID_OPERATION"); |
| 299 | break; |
| 300 | case GL_OUT_OF_MEMORY: |
| 301 | ALOGE(" Out of memory!"); |
| 302 | break; |
| 303 | } |
Romain Guy | a07105b | 2011-01-10 21:14:18 -0800 | [diff] [blame] | 304 | } |
Romain Guy | b025b9c | 2010-09-16 14:16:48 -0700 | [diff] [blame] | 305 | #endif |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 306 | |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 307 | #if DEBUG_MEMORY_USAGE |
Romain Guy | e190aa6 | 2010-11-10 19:01:29 -0800 | [diff] [blame] | 308 | mCaches.dumpMemoryUsage(); |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 309 | #else |
| 310 | if (mCaches.getDebugLevel() & kDebugMemory) { |
| 311 | mCaches.dumpMemoryUsage(); |
| 312 | } |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 313 | #endif |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 314 | } |
Romain Guy | b025b9c | 2010-09-16 14:16:48 -0700 | [diff] [blame] | 315 | } |
| 316 | |
Romain Guy | 6c319ca | 2011-01-11 14:29:25 -0800 | [diff] [blame] | 317 | void OpenGLRenderer::interrupt() { |
Romain Guy | da8532c | 2010-08-31 11:50:35 -0700 | [diff] [blame] | 318 | if (mCaches.currentProgram) { |
| 319 | if (mCaches.currentProgram->isInUse()) { |
| 320 | mCaches.currentProgram->remove(); |
| 321 | mCaches.currentProgram = NULL; |
| 322 | } |
| 323 | } |
Romain Guy | 50c0f09 | 2010-10-19 11:42:22 -0700 | [diff] [blame] | 324 | mCaches.unbindMeshBuffer(); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 325 | mCaches.unbindIndicesBuffer(); |
Romain Guy | f3a910b4 | 2011-12-12 20:35:21 -0800 | [diff] [blame] | 326 | mCaches.resetVertexPointers(); |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 327 | mCaches.disableTexCoordsVertexArray(); |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 328 | debugOverdraw(false, false); |
Romain Guy | da8532c | 2010-08-31 11:50:35 -0700 | [diff] [blame] | 329 | } |
| 330 | |
Romain Guy | 6c319ca | 2011-01-11 14:29:25 -0800 | [diff] [blame] | 331 | void OpenGLRenderer::resume() { |
Chet Haase | 08837c2 | 2011-11-28 11:53:21 -0800 | [diff] [blame] | 332 | sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; |
Chet Haase | 08837c2 | 2011-11-28 11:53:21 -0800 | [diff] [blame] | 333 | glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 334 | glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 335 | debugOverdraw(true, false); |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 336 | |
Romain Guy | 3e263fa | 2011-12-12 16:47:48 -0800 | [diff] [blame] | 337 | glClearColor(0.0f, 0.0f, 0.0f, 0.0f); |
| 338 | |
Chet Haase | 8025061 | 2012-08-15 13:46:54 -0700 | [diff] [blame] | 339 | mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); |
Romain Guy | 586cae3 | 2012-07-13 15:28:31 -0700 | [diff] [blame] | 340 | mCaches.enableScissor(); |
Romain Guy | 82bc7a7 | 2012-01-03 14:13:39 -0800 | [diff] [blame] | 341 | mCaches.resetScissor(); |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 342 | dirtyClip(); |
Romain Guy | da8532c | 2010-08-31 11:50:35 -0700 | [diff] [blame] | 343 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 344 | mCaches.activeTexture(0); |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 345 | |
Romain Guy | 50c0f09 | 2010-10-19 11:42:22 -0700 | [diff] [blame] | 346 | mCaches.blend = true; |
| 347 | glEnable(GL_BLEND); |
| 348 | glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); |
| 349 | glBlendEquation(GL_FUNC_ADD); |
Romain Guy | da8532c | 2010-08-31 11:50:35 -0700 | [diff] [blame] | 350 | } |
| 351 | |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 352 | void OpenGLRenderer::resumeAfterLayer() { |
| 353 | sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; |
| 354 | glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); |
| 355 | glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 356 | debugOverdraw(true, false); |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 357 | |
| 358 | mCaches.resetScissor(); |
| 359 | dirtyClip(); |
| 360 | } |
| 361 | |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 362 | void OpenGLRenderer::detachFunctor(Functor* functor) { |
Chris Craik | 932b7f6 | 2012-06-06 13:59:33 -0700 | [diff] [blame] | 363 | mFunctors.remove(functor); |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | void OpenGLRenderer::attachFunctor(Functor* functor) { |
| 367 | mFunctors.add(functor); |
| 368 | } |
| 369 | |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 370 | status_t OpenGLRenderer::invokeFunctors(Rect& dirty) { |
| 371 | status_t result = DrawGlInfo::kStatusDone; |
Romain Guy | 3d745c0 | 2012-04-23 20:36:17 -0700 | [diff] [blame] | 372 | size_t count = mFunctors.size(); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 373 | |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 374 | if (count > 0) { |
Chris Craik | d15321b | 2012-11-28 14:45:04 -0800 | [diff] [blame] | 375 | interrupt(); |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 376 | SortedVector<Functor*> functors(mFunctors); |
| 377 | mFunctors.clear(); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 378 | |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 379 | DrawGlInfo info; |
| 380 | info.clipLeft = 0; |
| 381 | info.clipTop = 0; |
| 382 | info.clipRight = 0; |
| 383 | info.clipBottom = 0; |
| 384 | info.isLayer = false; |
| 385 | info.width = 0; |
| 386 | info.height = 0; |
| 387 | memset(info.transform, 0, sizeof(float) * 16); |
| 388 | |
| 389 | for (size_t i = 0; i < count; i++) { |
| 390 | Functor* f = functors.itemAt(i); |
| 391 | result |= (*f)(DrawGlInfo::kModeProcess, &info); |
| 392 | |
Chris Craik | c2c9543 | 2012-04-25 15:13:52 -0700 | [diff] [blame] | 393 | if (result & DrawGlInfo::kStatusDraw) { |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 394 | Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); |
| 395 | dirty.unionWith(localDirty); |
Chris Craik | c2c9543 | 2012-04-25 15:13:52 -0700 | [diff] [blame] | 396 | } |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 397 | |
Chris Craik | c2c9543 | 2012-04-25 15:13:52 -0700 | [diff] [blame] | 398 | if (result & DrawGlInfo::kStatusInvoke) { |
| 399 | mFunctors.add(f); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 400 | } |
| 401 | } |
Chris Craik | d15321b | 2012-11-28 14:45:04 -0800 | [diff] [blame] | 402 | resume(); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | return result; |
| 406 | } |
| 407 | |
| 408 | status_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame^] | 409 | if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; |
| 410 | |
Chet Haase | daf98e9 | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 411 | interrupt(); |
Chris Craik | 932b7f6 | 2012-06-06 13:59:33 -0700 | [diff] [blame] | 412 | detachFunctor(functor); |
Chris Craik | c8538ade | 2012-05-22 11:54:06 -0700 | [diff] [blame] | 413 | |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 414 | mCaches.enableScissor(); |
Romain Guy | f90f817 | 2011-01-25 22:53:24 -0800 | [diff] [blame] | 415 | if (mDirtyClip) { |
| 416 | setScissorFromClip(); |
| 417 | } |
Romain Guy | d643bb5 | 2011-03-01 14:55:21 -0800 | [diff] [blame] | 418 | |
Romain Guy | 80911b8 | 2011-03-16 15:30:12 -0700 | [diff] [blame] | 419 | Rect clip(*mSnapshot->clipRect); |
| 420 | clip.snapToPixelBoundaries(); |
| 421 | |
Romain Guy | d643bb5 | 2011-03-01 14:55:21 -0800 | [diff] [blame] | 422 | // Since we don't know what the functor will draw, let's dirty |
| 423 | // tne entire clip region |
| 424 | if (hasLayer()) { |
Romain Guy | d643bb5 | 2011-03-01 14:55:21 -0800 | [diff] [blame] | 425 | dirtyLayerUnchecked(clip, getRegion()); |
| 426 | } |
Romain Guy | d643bb5 | 2011-03-01 14:55:21 -0800 | [diff] [blame] | 427 | |
Romain Guy | 08aa2cb | 2011-03-17 11:06:57 -0700 | [diff] [blame] | 428 | DrawGlInfo info; |
| 429 | info.clipLeft = clip.left; |
| 430 | info.clipTop = clip.top; |
| 431 | info.clipRight = clip.right; |
| 432 | info.clipBottom = clip.bottom; |
| 433 | info.isLayer = hasLayer(); |
Chet Haase | 7b6a758 | 2012-04-11 14:32:02 -0700 | [diff] [blame] | 434 | info.width = getSnapshot()->viewport.getWidth(); |
| 435 | info.height = getSnapshot()->height; |
Romain Guy | 08aa2cb | 2011-03-17 11:06:57 -0700 | [diff] [blame] | 436 | getSnapshot()->transform->copyTo(&info.transform[0]); |
Romain Guy | 80911b8 | 2011-03-16 15:30:12 -0700 | [diff] [blame] | 437 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 438 | status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; |
Romain Guy | cabfcc1 | 2011-03-07 18:06:46 -0800 | [diff] [blame] | 439 | |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 440 | if (result != DrawGlInfo::kStatusDone) { |
Romain Guy | 08aa2cb | 2011-03-17 11:06:57 -0700 | [diff] [blame] | 441 | Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); |
Romain Guy | cabfcc1 | 2011-03-07 18:06:46 -0800 | [diff] [blame] | 442 | dirty.unionWith(localDirty); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 443 | |
Chris Craik | 65924a3 | 2012-04-05 17:52:11 -0700 | [diff] [blame] | 444 | if (result & DrawGlInfo::kStatusInvoke) { |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 445 | mFunctors.add(functor); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 446 | } |
Romain Guy | cabfcc1 | 2011-03-07 18:06:46 -0800 | [diff] [blame] | 447 | } |
| 448 | |
Chet Haase | daf98e9 | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 449 | resume(); |
Romain Guy | 6554943 | 2012-03-26 16:45:05 -0700 | [diff] [blame] | 450 | return result; |
Chet Haase | daf98e9 | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 451 | } |
| 452 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 453 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 454 | // Debug |
| 455 | /////////////////////////////////////////////////////////////////////////////// |
| 456 | |
Romain Guy | 0f66753 | 2013-03-01 14:31:04 -0800 | [diff] [blame] | 457 | void OpenGLRenderer::eventMark(const char* name) const { |
| 458 | mCaches.eventMark(0, name); |
| 459 | } |
| 460 | |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 461 | void OpenGLRenderer::startMark(const char* name) const { |
| 462 | mCaches.startMark(0, name); |
| 463 | } |
| 464 | |
| 465 | void OpenGLRenderer::endMark() const { |
| 466 | mCaches.endMark(); |
| 467 | } |
| 468 | |
| 469 | void OpenGLRenderer::debugOverdraw(bool enable, bool clear) { |
| 470 | if (mCaches.debugOverdraw && getTargetFbo() == 0) { |
| 471 | if (clear) { |
| 472 | mCaches.disableScissor(); |
| 473 | mCaches.stencil.clear(); |
| 474 | } |
| 475 | if (enable) { |
| 476 | mCaches.stencil.enableDebugWrite(); |
| 477 | } else { |
| 478 | mCaches.stencil.disable(); |
| 479 | } |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | void OpenGLRenderer::renderOverdraw() { |
| 484 | if (mCaches.debugOverdraw && getTargetFbo() == 0) { |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 485 | const Rect* clip = &mTilingClip; |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 486 | |
| 487 | mCaches.enableScissor(); |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 488 | mCaches.setScissor(clip->left, mFirstSnapshot->height - clip->bottom, |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 489 | clip->right - clip->left, clip->bottom - clip->top); |
| 490 | |
| 491 | mCaches.stencil.enableDebugTest(2); |
| 492 | drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); |
| 493 | mCaches.stencil.enableDebugTest(3); |
| 494 | drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); |
| 495 | mCaches.stencil.enableDebugTest(4); |
| 496 | drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); |
| 497 | mCaches.stencil.enableDebugTest(4, true); |
| 498 | drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); |
| 499 | mCaches.stencil.disable(); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 504 | // Layers |
| 505 | /////////////////////////////////////////////////////////////////////////////// |
| 506 | |
| 507 | bool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { |
| 508 | if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { |
| 509 | OpenGLRenderer* renderer = layer->renderer; |
| 510 | Rect& dirty = layer->dirtyRect; |
| 511 | |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 512 | if (inFrame) { |
| 513 | endTiling(); |
| 514 | debugOverdraw(false, false); |
| 515 | } |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 516 | |
| 517 | renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); |
| 518 | renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); |
| 519 | renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); |
| 520 | renderer->finish(); |
| 521 | |
| 522 | if (inFrame) { |
| 523 | resumeAfterLayer(); |
| 524 | startTiling(mSnapshot); |
| 525 | } |
| 526 | |
| 527 | dirty.setEmpty(); |
| 528 | layer->deferredUpdateScheduled = false; |
| 529 | layer->renderer = NULL; |
| 530 | layer->displayList = NULL; |
Romain Guy | 5bb3c73 | 2012-11-29 17:52:58 -0800 | [diff] [blame] | 531 | layer->debugDrawUpdate = mCaches.debugLayersUpdates; |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 532 | |
| 533 | return true; |
| 534 | } |
| 535 | |
| 536 | return false; |
| 537 | } |
| 538 | |
| 539 | void OpenGLRenderer::updateLayers() { |
| 540 | int count = mLayerUpdates.size(); |
| 541 | if (count > 0) { |
| 542 | startMark("Layer Updates"); |
| 543 | |
| 544 | // Note: it is very important to update the layers in reverse order |
| 545 | for (int i = count - 1; i >= 0; i--) { |
| 546 | Layer* layer = mLayerUpdates.itemAt(i); |
| 547 | updateLayer(layer, false); |
| 548 | mCaches.resourceCache.decrementRefcount(layer); |
| 549 | } |
| 550 | mLayerUpdates.clear(); |
| 551 | |
| 552 | glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); |
| 553 | endMark(); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | void OpenGLRenderer::pushLayerUpdate(Layer* layer) { |
| 558 | if (layer) { |
| 559 | mLayerUpdates.push_back(layer); |
| 560 | mCaches.resourceCache.incrementRefcount(layer); |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | void OpenGLRenderer::clearLayerUpdates() { |
| 565 | size_t count = mLayerUpdates.size(); |
| 566 | if (count > 0) { |
| 567 | mCaches.resourceCache.lock(); |
| 568 | for (size_t i = 0; i < count; i++) { |
| 569 | mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); |
| 570 | } |
| 571 | mCaches.resourceCache.unlock(); |
| 572 | mLayerUpdates.clear(); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 577 | // State management |
| 578 | /////////////////////////////////////////////////////////////////////////////// |
| 579 | |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 580 | int OpenGLRenderer::getSaveCount() const { |
Romain Guy | 7ae7ac4 | 2010-06-25 13:46:18 -0700 | [diff] [blame] | 581 | return mSaveCount; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | int OpenGLRenderer::save(int flags) { |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 585 | return saveSnapshot(flags); |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | void OpenGLRenderer::restore() { |
Romain Guy | 2542d19 | 2010-08-18 11:47:12 -0700 | [diff] [blame] | 589 | if (mSaveCount > 1) { |
| 590 | restoreSnapshot(); |
Romain Guy | 7ae7ac4 | 2010-06-25 13:46:18 -0700 | [diff] [blame] | 591 | } |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | void OpenGLRenderer::restoreToCount(int saveCount) { |
Romain Guy | 8fb9542 | 2010-08-17 18:38:51 -0700 | [diff] [blame] | 595 | if (saveCount < 1) saveCount = 1; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 596 | |
Romain Guy | 8fb9542 | 2010-08-17 18:38:51 -0700 | [diff] [blame] | 597 | while (mSaveCount > saveCount) { |
Romain Guy | 2542d19 | 2010-08-18 11:47:12 -0700 | [diff] [blame] | 598 | restoreSnapshot(); |
Romain Guy | 7ae7ac4 | 2010-06-25 13:46:18 -0700 | [diff] [blame] | 599 | } |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 600 | } |
| 601 | |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 602 | int OpenGLRenderer::saveSnapshot(int flags) { |
| 603 | mSnapshot = new Snapshot(mSnapshot, flags); |
Romain Guy | 8fb9542 | 2010-08-17 18:38:51 -0700 | [diff] [blame] | 604 | return mSaveCount++; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 605 | } |
| 606 | |
| 607 | bool OpenGLRenderer::restoreSnapshot() { |
Romain Guy | 7ae7ac4 | 2010-06-25 13:46:18 -0700 | [diff] [blame] | 608 | bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 609 | bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 610 | bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 611 | |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 612 | sp<Snapshot> current = mSnapshot; |
| 613 | sp<Snapshot> previous = mSnapshot->previous; |
| 614 | |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 615 | if (restoreOrtho) { |
| 616 | Rect& r = previous->viewport; |
| 617 | glViewport(r.left, r.top, r.right, r.bottom); |
| 618 | mOrthoMatrix.load(current->orthoMatrix); |
| 619 | } |
| 620 | |
Romain Guy | 8b55f37 | 2010-08-18 17:10:07 -0700 | [diff] [blame] | 621 | mSaveCount--; |
| 622 | mSnapshot = previous; |
| 623 | |
Romain Guy | 2542d19 | 2010-08-18 11:47:12 -0700 | [diff] [blame] | 624 | if (restoreClip) { |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 625 | dirtyClip(); |
Romain Guy | 8fb9542 | 2010-08-17 18:38:51 -0700 | [diff] [blame] | 626 | } |
Romain Guy | 2542d19 | 2010-08-18 11:47:12 -0700 | [diff] [blame] | 627 | |
Romain Guy | 5ec9924 | 2010-11-03 16:19:08 -0700 | [diff] [blame] | 628 | if (restoreLayer) { |
| 629 | composeLayer(current, previous); |
| 630 | } |
| 631 | |
Romain Guy | 2542d19 | 2010-08-18 11:47:12 -0700 | [diff] [blame] | 632 | return restoreClip; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 633 | } |
| 634 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 635 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 636 | // Layers |
| 637 | /////////////////////////////////////////////////////////////////////////////// |
| 638 | |
| 639 | int OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 640 | int alpha, SkXfermode::Mode mode, int flags) { |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 641 | const GLuint previousFbo = mSnapshot->fbo; |
| 642 | const int count = saveSnapshot(flags); |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 643 | |
Romain Guy | af636eb | 2010-12-09 17:47:21 -0800 | [diff] [blame] | 644 | if (!mSnapshot->isIgnored()) { |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 645 | createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); |
Romain Guy | dbc26d2 | 2010-10-11 17:58:29 -0700 | [diff] [blame] | 646 | } |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 647 | |
| 648 | return count; |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 649 | } |
| 650 | |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 651 | void OpenGLRenderer::calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer) { |
| 652 | const Rect untransformedBounds(bounds); |
| 653 | |
| 654 | currentTransform().mapRect(bounds); |
| 655 | |
| 656 | // Layers only make sense if they are in the framebuffer's bounds |
| 657 | if (bounds.intersect(*mSnapshot->clipRect)) { |
| 658 | // We cannot work with sub-pixels in this case |
| 659 | bounds.snapToPixelBoundaries(); |
| 660 | |
| 661 | // When the layer is not an FBO, we may use glCopyTexImage so we |
| 662 | // need to make sure the layer does not extend outside the bounds |
| 663 | // of the framebuffer |
| 664 | if (!bounds.intersect(mSnapshot->previous->viewport)) { |
| 665 | bounds.setEmpty(); |
| 666 | } else if (fboLayer) { |
| 667 | clip.set(bounds); |
| 668 | mat4 inverse; |
| 669 | inverse.loadInverse(currentTransform()); |
| 670 | inverse.mapRect(clip); |
| 671 | clip.snapToPixelBoundaries(); |
| 672 | if (clip.intersect(untransformedBounds)) { |
| 673 | clip.translate(-untransformedBounds.left, -untransformedBounds.top); |
| 674 | bounds.set(untransformedBounds); |
| 675 | } else { |
| 676 | clip.setEmpty(); |
| 677 | } |
| 678 | } |
| 679 | } else { |
| 680 | bounds.setEmpty(); |
| 681 | } |
| 682 | } |
| 683 | |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame^] | 684 | void OpenGLRenderer::updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, |
| 685 | bool fboLayer, int alpha) { |
| 686 | if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || |
| 687 | bounds.getHeight() > mCaches.maxTextureSize || |
| 688 | (fboLayer && clip.isEmpty())) { |
| 689 | mSnapshot->empty = fboLayer; |
| 690 | } else { |
| 691 | mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); |
| 692 | } |
| 693 | } |
| 694 | |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 695 | int OpenGLRenderer::saveLayerDeferred(float left, float top, float right, float bottom, |
| 696 | int alpha, SkXfermode::Mode mode, int flags) { |
| 697 | const GLuint previousFbo = mSnapshot->fbo; |
| 698 | const int count = saveSnapshot(flags); |
| 699 | |
| 700 | if (!mSnapshot->isIgnored() && (flags & SkCanvas::kClipToLayer_SaveFlag)) { |
| 701 | // initialize the snapshot as though it almost represents an FBO layer so deferred draw |
| 702 | // operations will be able to store and restore the current clip and transform info, and |
| 703 | // quick rejection will be correct (for display lists) |
| 704 | |
| 705 | Rect bounds(left, top, right, bottom); |
| 706 | Rect clip; |
| 707 | calculateLayerBoundsAndClip(bounds, clip, true); |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame^] | 708 | updateSnapshotIgnoreForLayer(bounds, clip, true, alpha); |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 709 | |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame^] | 710 | if (!mSnapshot->isIgnored()) { |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 711 | mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); |
| 712 | mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | return count; |
| 717 | } |
| 718 | |
| 719 | |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 720 | /** |
| 721 | * Layers are viewed by Skia are slightly different than layers in image editing |
| 722 | * programs (for instance.) When a layer is created, previously created layers |
| 723 | * and the frame buffer still receive every drawing command. For instance, if a |
| 724 | * layer is created and a shape intersecting the bounds of the layers and the |
| 725 | * framebuffer is draw, the shape will be drawn on both (unless the layer was |
| 726 | * created with the SkCanvas::kClipToLayer_SaveFlag flag.) |
| 727 | * |
| 728 | * A way to implement layers is to create an FBO for each layer, backed by an RGBA |
| 729 | * texture. Unfortunately, this is inefficient as it requires every primitive to |
| 730 | * be drawn n + 1 times, where n is the number of active layers. In practice this |
| 731 | * means, for every primitive: |
| 732 | * - Switch active frame buffer |
| 733 | * - Change viewport, clip and projection matrix |
| 734 | * - Issue the drawing |
| 735 | * |
| 736 | * Switching rendering target n + 1 times per drawn primitive is extremely costly. |
Romain Guy | 6b7bd24 | 2010-10-06 19:49:23 -0700 | [diff] [blame] | 737 | * To avoid this, layers are implemented in a different way here, at least in the |
| 738 | * general case. FBOs are used, as an optimization, when the "clip to layer" flag |
| 739 | * is set. When this flag is set we can redirect all drawing operations into a |
| 740 | * single FBO. |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 741 | * |
| 742 | * This implementation relies on the frame buffer being at least RGBA 8888. When |
| 743 | * a layer is created, only a texture is created, not an FBO. The content of the |
| 744 | * frame buffer contained within the layer's bounds is copied into this texture |
Romain Guy | 87a7657 | 2010-09-13 18:11:21 -0700 | [diff] [blame] | 745 | * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 746 | * buffer and drawing continues as normal. This technique therefore treats the |
| 747 | * frame buffer as a scratch buffer for the layers. |
| 748 | * |
| 749 | * To compose the layers back onto the frame buffer, each layer texture |
| 750 | * (containing the original frame buffer data) is drawn as a simple quad over |
| 751 | * the frame buffer. The trick is that the quad is set as the composition |
| 752 | * destination in the blending equation, and the frame buffer becomes the source |
| 753 | * of the composition. |
| 754 | * |
| 755 | * Drawing layers with an alpha value requires an extra step before composition. |
| 756 | * An empty quad is drawn over the layer's region in the frame buffer. This quad |
| 757 | * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the |
| 758 | * quad is used to multiply the colors in the frame buffer. This is achieved by |
| 759 | * changing the GL blend functions for the GL_FUNC_ADD blend equation to |
| 760 | * GL_ZERO, GL_SRC_ALPHA. |
| 761 | * |
| 762 | * Because glCopyTexImage2D() can be slow, an alternative implementation might |
| 763 | * be use to draw a single clipped layer. The implementation described above |
| 764 | * is correct in every case. |
Romain Guy | 87a7657 | 2010-09-13 18:11:21 -0700 | [diff] [blame] | 765 | * |
| 766 | * (1) The frame buffer is actually not cleared right away. To allow the GPU |
| 767 | * to potentially optimize series of calls to glCopyTexImage2D, the frame |
| 768 | * buffer is left untouched until the first drawing operation. Only when |
| 769 | * something actually gets drawn are the layers regions cleared. |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 770 | */ |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 771 | bool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, |
| 772 | int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 773 | LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 774 | LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 775 | |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 776 | const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; |
| 777 | |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 778 | // Window coordinates of the layer |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 779 | Rect clip; |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 780 | Rect bounds(left, top, right, bottom); |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 781 | calculateLayerBoundsAndClip(bounds, clip, fboLayer); |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame^] | 782 | updateSnapshotIgnoreForLayer(bounds, clip, fboLayer, alpha); |
Romain Guy | dbc26d2 | 2010-10-11 17:58:29 -0700 | [diff] [blame] | 783 | |
| 784 | // Bail out if we won't draw in this snapshot |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame^] | 785 | if (mSnapshot->isIgnored()) { |
Romain Guy | b025b9c | 2010-09-16 14:16:48 -0700 | [diff] [blame] | 786 | return false; |
| 787 | } |
Romain Guy | f18fd99 | 2010-07-08 11:45:51 -0700 | [diff] [blame] | 788 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 789 | mCaches.activeTexture(0); |
Romain Guy | 8550c4c | 2010-10-08 15:49:53 -0700 | [diff] [blame] | 790 | Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); |
Romain Guy | dda5702 | 2010-07-06 11:39:32 -0700 | [diff] [blame] | 791 | if (!layer) { |
Romain Guy | f18fd99 | 2010-07-08 11:45:51 -0700 | [diff] [blame] | 792 | return false; |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 793 | } |
| 794 | |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 795 | layer->setAlpha(alpha, mode); |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 796 | layer->layer.set(bounds); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 797 | layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), |
| 798 | bounds.getWidth() / float(layer->getWidth()), 0.0f); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 799 | layer->setColorFilter(mDrawModifiers.mColorFilter); |
Chet Haase | a23eed8 | 2012-04-12 15:19:04 -0700 | [diff] [blame] | 800 | layer->setBlend(true); |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 801 | layer->setDirty(false); |
Romain Guy | dda5702 | 2010-07-06 11:39:32 -0700 | [diff] [blame] | 802 | |
Romain Guy | 8fb9542 | 2010-08-17 18:38:51 -0700 | [diff] [blame] | 803 | // Save the layer in the snapshot |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 804 | mSnapshot->flags |= Snapshot::kFlagIsLayer; |
| 805 | mSnapshot->layer = layer; |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 806 | |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 807 | if (fboLayer) { |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 808 | return createFboLayer(layer, bounds, clip, previousFbo); |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 809 | } else { |
| 810 | // Copy the framebuffer into the layer |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 811 | layer->bindTexture(); |
Romain Guy | 514fb18 | 2011-01-19 14:38:29 -0800 | [diff] [blame] | 812 | if (!bounds.isEmpty()) { |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 813 | if (layer->isEmpty()) { |
| 814 | glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 815 | bounds.left, mSnapshot->height - bounds.bottom, |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 816 | layer->getWidth(), layer->getHeight(), 0); |
| 817 | layer->setEmpty(false); |
Romain Guy | 514fb18 | 2011-01-19 14:38:29 -0800 | [diff] [blame] | 818 | } else { |
| 819 | glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 820 | mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); |
Romain Guy | 514fb18 | 2011-01-19 14:38:29 -0800 | [diff] [blame] | 821 | } |
Romain Guy | 7b5b6ab | 2011-03-14 18:05:08 -0700 | [diff] [blame] | 822 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 823 | // Enqueue the buffer coordinates to clear the corresponding region later |
| 824 | mLayers.push(new Rect(bounds)); |
Romain Guy | ae88e5e | 2010-10-22 17:49:18 -0700 | [diff] [blame] | 825 | } |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 826 | } |
Romain Guy | f86ef57 | 2010-07-01 11:05:42 -0700 | [diff] [blame] | 827 | |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 828 | return true; |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 829 | } |
| 830 | |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 831 | bool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 832 | layer->clipRect.set(clip); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 833 | layer->setFbo(mCaches.fboCache.get()); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 834 | |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 835 | mSnapshot->region = &mSnapshot->layer->region; |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 836 | mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | |
| 837 | Snapshot::kFlagDirtyOrtho; |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 838 | mSnapshot->fbo = layer->getFbo(); |
| 839 | mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); |
| 840 | mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); |
| 841 | mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); |
| 842 | mSnapshot->height = bounds.getHeight(); |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 843 | mSnapshot->orthoMatrix.load(mOrthoMatrix); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 844 | |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 845 | endTiling(); |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 846 | debugOverdraw(false, false); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 847 | // Bind texture to FBO |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 848 | glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); |
| 849 | layer->bindTexture(); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 850 | |
| 851 | // Initialize the texture if needed |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 852 | if (layer->isEmpty()) { |
| 853 | layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); |
| 854 | layer->setEmpty(false); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 855 | } |
| 856 | |
| 857 | glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 858 | layer->getTexture(), 0); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 859 | |
Romain Guy | f735c8e | 2013-01-31 17:45:55 -0800 | [diff] [blame] | 860 | startTiling(mSnapshot, true); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 861 | |
| 862 | // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering |
Romain Guy | 586cae3 | 2012-07-13 15:28:31 -0700 | [diff] [blame] | 863 | mCaches.enableScissor(); |
Romain Guy | 8f85e80 | 2011-12-14 19:23:32 -0800 | [diff] [blame] | 864 | mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 865 | clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 866 | glClear(GL_COLOR_BUFFER_BIT); |
| 867 | |
| 868 | dirtyClip(); |
| 869 | |
| 870 | // Change the ortho projection |
| 871 | glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); |
| 872 | mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); |
| 873 | |
| 874 | return true; |
| 875 | } |
| 876 | |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 877 | /** |
| 878 | * Read the documentation of createLayer() before doing anything in this method. |
| 879 | */ |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 880 | void OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { |
| 881 | if (!current->layer) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 882 | ALOGE("Attempting to compose a layer that does not exist"); |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 883 | return; |
| 884 | } |
| 885 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 886 | Layer* layer = current->layer; |
| 887 | const Rect& rect = layer->layer; |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 888 | const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 889 | |
| 890 | if (fboLayer) { |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 891 | endTiling(); |
| 892 | |
Romain Guy | e0aa84b | 2012-04-03 19:30:26 -0700 | [diff] [blame] | 893 | // Detach the texture from the FBO |
| 894 | glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 895 | |
| 896 | layer->removeFbo(false); |
| 897 | |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 898 | // Unbind current FBO and restore previous one |
| 899 | glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 900 | debugOverdraw(true, false); |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 901 | |
| 902 | startTiling(previous); |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 903 | } |
| 904 | |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 905 | if (!fboLayer && layer->getAlpha() < 255) { |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 906 | drawColorRect(rect.left, rect.top, rect.right, rect.bottom, |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 907 | layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 908 | // Required below, composeLayerRect() will divide by 255 |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 909 | layer->setAlpha(255); |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 910 | } |
| 911 | |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 912 | mCaches.unbindMeshBuffer(); |
Romain Guy | 8b55f37 | 2010-08-18 17:10:07 -0700 | [diff] [blame] | 913 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 914 | mCaches.activeTexture(0); |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 915 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 916 | // When the layer is stored in an FBO, we can save a bit of fillrate by |
| 917 | // drawing only the dirty region |
| 918 | if (fboLayer) { |
| 919 | dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 920 | if (layer->getColorFilter()) { |
| 921 | setupColorFilter(layer->getColorFilter()); |
Romain Guy | 171c592 | 2011-01-06 10:04:23 -0800 | [diff] [blame] | 922 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 923 | composeLayerRegion(layer, rect); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 924 | if (layer->getColorFilter()) { |
Romain Guy | 171c592 | 2011-01-06 10:04:23 -0800 | [diff] [blame] | 925 | resetColorFilter(); |
| 926 | } |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 927 | } else if (!rect.isEmpty()) { |
| 928 | dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); |
| 929 | composeLayerRect(layer, rect, true); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 930 | } |
Romain Guy | 8b55f37 | 2010-08-18 17:10:07 -0700 | [diff] [blame] | 931 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 932 | dirtyClip(); |
| 933 | |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 934 | // Failing to add the layer to the cache should happen only if the layer is too large |
Romain Guy | 8550c4c | 2010-10-08 15:49:53 -0700 | [diff] [blame] | 935 | if (!mCaches.layerCache.put(layer)) { |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 936 | LAYER_LOGD("Deleting layer"); |
Chet Haase | 603f6de | 2012-09-14 15:31:25 -0700 | [diff] [blame] | 937 | Caches::getInstance().resourceCache.decrementRefcount(layer); |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 938 | } |
| 939 | } |
| 940 | |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 941 | void OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { |
Chris Craik | e83569c | 2013-03-20 16:57:09 -0700 | [diff] [blame] | 942 | float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 943 | |
| 944 | setupDraw(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 945 | if (layer->getRenderTarget() == GL_TEXTURE_2D) { |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 946 | setupDrawWithTexture(); |
| 947 | } else { |
| 948 | setupDrawWithExternalTexture(); |
| 949 | } |
| 950 | setupDrawTextureTransform(); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 951 | setupDrawColor(alpha, alpha, alpha, alpha); |
| 952 | setupDrawColorFilter(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 953 | setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 954 | setupDrawProgram(); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 955 | setupDrawPureColorUniforms(); |
| 956 | setupDrawColorFilterUniforms(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 957 | if (layer->getRenderTarget() == GL_TEXTURE_2D) { |
| 958 | setupDrawTexture(layer->getTexture()); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 959 | } else { |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 960 | setupDrawExternalTexture(layer->getTexture()); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 961 | } |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 962 | if (currentTransform().isPureTranslate() && |
Romain Guy | ec19b4a | 2011-07-07 21:05:04 -0700 | [diff] [blame] | 963 | layer->getWidth() == (uint32_t) rect.getWidth() && |
| 964 | layer->getHeight() == (uint32_t) rect.getHeight()) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 965 | const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); |
| 966 | const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 967 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 968 | layer->setFilter(GL_NEAREST); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 969 | setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); |
| 970 | } else { |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 971 | layer->setFilter(GL_LINEAR); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 972 | setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); |
| 973 | } |
| 974 | setupDrawTextureTransformUniforms(layer->getTexTransform()); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 975 | setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); |
| 976 | |
| 977 | glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); |
| 978 | |
| 979 | finishDrawTexture(); |
| 980 | } |
| 981 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 982 | void OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 983 | if (!layer->isTextureLayer()) { |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 984 | const Rect& texCoords = layer->texCoords; |
| 985 | resetDrawTextureTexCoords(texCoords.left, texCoords.top, |
| 986 | texCoords.right, texCoords.bottom); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 987 | |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 988 | float x = rect.left; |
| 989 | float y = rect.top; |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 990 | bool simpleTransform = currentTransform().isPureTranslate() && |
Romain Guy | ec19b4a | 2011-07-07 21:05:04 -0700 | [diff] [blame] | 991 | layer->getWidth() == (uint32_t) rect.getWidth() && |
Romain Guy | b247915 | 2011-07-08 11:57:29 -0700 | [diff] [blame] | 992 | layer->getHeight() == (uint32_t) rect.getHeight(); |
| 993 | |
| 994 | if (simpleTransform) { |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 995 | // When we're swapping, the layer is already in screen coordinates |
| 996 | if (!swap) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 997 | x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); |
| 998 | y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 999 | } |
| 1000 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 1001 | layer->setFilter(GL_NEAREST, true); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1002 | } else { |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 1003 | layer->setFilter(GL_LINEAR, true); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1004 | } |
| 1005 | |
Chris Craik | e83569c | 2013-03-20 16:57:09 -0700 | [diff] [blame] | 1006 | float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; |
| 1007 | bool blend = layer->isBlend() || alpha < 1.0f; |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1008 | drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), |
Chris Craik | e83569c | 2013-03-20 16:57:09 -0700 | [diff] [blame] | 1009 | layer->getTexture(), alpha, layer->getMode(), blend, |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1010 | &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], |
| 1011 | GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1012 | |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 1013 | resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); |
| 1014 | } else { |
| 1015 | resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); |
| 1016 | drawTextureLayer(layer, rect); |
| 1017 | resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); |
| 1018 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1019 | } |
| 1020 | |
| 1021 | void OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1022 | if (layer->region.isRect()) { |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 1023 | layer->setRegionAsRect(); |
| 1024 | |
Romain Guy | 4066767 | 2011-03-18 14:34:03 -0700 | [diff] [blame] | 1025 | composeLayerRect(layer, layer->regionRect); |
Romain Guy | 9fc2781 | 2011-04-27 14:21:41 -0700 | [diff] [blame] | 1026 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1027 | layer->region.clear(); |
| 1028 | return; |
| 1029 | } |
| 1030 | |
Romain Guy | 8a3957d | 2011-09-07 17:55:15 -0700 | [diff] [blame] | 1031 | // TODO: See LayerRenderer.cpp::generateMesh() for important |
| 1032 | // information about this implementation |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 1033 | if (CC_LIKELY(!layer->region.isEmpty())) { |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1034 | size_t count; |
Chris Craik | 6c5b9be | 2013-02-27 14:03:19 -0800 | [diff] [blame] | 1035 | const android::Rect* rects; |
| 1036 | Region safeRegion; |
| 1037 | if (CC_LIKELY(hasRectToRectTransform())) { |
| 1038 | rects = layer->region.getArray(&count); |
| 1039 | } else { |
| 1040 | safeRegion = Region::createTJunctionFreeRegion(layer->region); |
| 1041 | rects = safeRegion.getArray(&count); |
| 1042 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1043 | |
Chris Craik | e83569c | 2013-03-20 16:57:09 -0700 | [diff] [blame] | 1044 | const float alpha = layer->getAlpha() / 255.0f * mSnapshot->alpha; |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1045 | const float texX = 1.0f / float(layer->getWidth()); |
| 1046 | const float texY = 1.0f / float(layer->getHeight()); |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1047 | const float height = rect.getHeight(); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1048 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1049 | setupDraw(); |
| 1050 | |
| 1051 | // We must get (and therefore bind) the region mesh buffer |
| 1052 | // after we setup drawing in case we need to mess with the |
| 1053 | // stencil buffer in setupDraw() |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1054 | TextureVertex* mesh = mCaches.getRegionMesh(); |
| 1055 | GLsizei numQuads = 0; |
| 1056 | |
Romain Guy | 7230a74 | 2011-01-10 22:26:16 -0800 | [diff] [blame] | 1057 | setupDrawWithTexture(); |
| 1058 | setupDrawColor(alpha, alpha, alpha, alpha); |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 1059 | setupDrawColorFilter(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1060 | setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); |
Romain Guy | 7230a74 | 2011-01-10 22:26:16 -0800 | [diff] [blame] | 1061 | setupDrawProgram(); |
| 1062 | setupDrawDirtyRegionsDisabled(); |
| 1063 | setupDrawPureColorUniforms(); |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 1064 | setupDrawColorFilterUniforms(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1065 | setupDrawTexture(layer->getTexture()); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1066 | if (currentTransform().isPureTranslate()) { |
| 1067 | const float x = (int) floorf(rect.left + currentTransform().getTranslateX() + 0.5f); |
| 1068 | const float y = (int) floorf(rect.top + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1069 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 1070 | layer->setFilter(GL_NEAREST); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1071 | setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); |
| 1072 | } else { |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 1073 | layer->setFilter(GL_LINEAR); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 1074 | setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); |
| 1075 | } |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1076 | setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1077 | |
| 1078 | for (size_t i = 0; i < count; i++) { |
| 1079 | const android::Rect* r = &rects[i]; |
| 1080 | |
| 1081 | const float u1 = r->left * texX; |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1082 | const float v1 = (height - r->top) * texY; |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1083 | const float u2 = r->right * texX; |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1084 | const float v2 = (height - r->bottom) * texY; |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1085 | |
| 1086 | // TODO: Reject quads outside of the clip |
| 1087 | TextureVertex::set(mesh++, r->left, r->top, u1, v1); |
| 1088 | TextureVertex::set(mesh++, r->right, r->top, u2, v1); |
| 1089 | TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); |
| 1090 | TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); |
| 1091 | |
| 1092 | numQuads++; |
| 1093 | |
| 1094 | if (numQuads >= REGION_MESH_QUAD_COUNT) { |
| 1095 | glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); |
| 1096 | numQuads = 0; |
| 1097 | mesh = mCaches.getRegionMesh(); |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | if (numQuads > 0) { |
| 1102 | glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); |
| 1103 | } |
| 1104 | |
Romain Guy | 7230a74 | 2011-01-10 22:26:16 -0800 | [diff] [blame] | 1105 | finishDrawTexture(); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1106 | |
| 1107 | #if DEBUG_LAYERS_AS_REGIONS |
Romain Guy | 3a3133d | 2011-02-01 22:59:58 -0800 | [diff] [blame] | 1108 | drawRegionRects(layer->region); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1109 | #endif |
| 1110 | |
| 1111 | layer->region.clear(); |
| 1112 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1113 | } |
| 1114 | |
Romain Guy | 3a3133d | 2011-02-01 22:59:58 -0800 | [diff] [blame] | 1115 | void OpenGLRenderer::drawRegionRects(const Region& region) { |
| 1116 | #if DEBUG_LAYERS_AS_REGIONS |
| 1117 | size_t count; |
| 1118 | const android::Rect* rects = region.getArray(&count); |
| 1119 | |
| 1120 | uint32_t colors[] = { |
| 1121 | 0x7fff0000, 0x7f00ff00, |
| 1122 | 0x7f0000ff, 0x7fff00ff, |
| 1123 | }; |
| 1124 | |
| 1125 | int offset = 0; |
| 1126 | int32_t top = rects[0].top; |
| 1127 | |
| 1128 | for (size_t i = 0; i < count; i++) { |
| 1129 | if (top != rects[i].top) { |
| 1130 | offset ^= 0x2; |
| 1131 | top = rects[i].top; |
| 1132 | } |
| 1133 | |
| 1134 | Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); |
| 1135 | drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], |
| 1136 | SkXfermode::kSrcOver_Mode); |
| 1137 | } |
| 1138 | #endif |
| 1139 | } |
| 1140 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1141 | void OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, |
| 1142 | SkXfermode::Mode mode, bool dirty) { |
| 1143 | int count = 0; |
| 1144 | Vector<float> rects; |
| 1145 | |
| 1146 | SkRegion::Iterator it(region); |
| 1147 | while (!it.done()) { |
| 1148 | const SkIRect& r = it.rect(); |
| 1149 | rects.push(r.fLeft); |
| 1150 | rects.push(r.fTop); |
| 1151 | rects.push(r.fRight); |
| 1152 | rects.push(r.fBottom); |
Chris Craik | 2af4635 | 2012-11-26 18:30:17 -0800 | [diff] [blame] | 1153 | count += 4; |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1154 | it.next(); |
| 1155 | } |
| 1156 | |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 1157 | drawColorRects(rects.array(), count, color, mode, true, dirty, false); |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1158 | } |
| 1159 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1160 | void OpenGLRenderer::dirtyLayer(const float left, const float top, |
| 1161 | const float right, const float bottom, const mat4 transform) { |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1162 | if (hasLayer()) { |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1163 | Rect bounds(left, top, right, bottom); |
| 1164 | transform.mapRect(bounds); |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1165 | dirtyLayerUnchecked(bounds, getRegion()); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1166 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | void OpenGLRenderer::dirtyLayer(const float left, const float top, |
| 1170 | const float right, const float bottom) { |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1171 | if (hasLayer()) { |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1172 | Rect bounds(left, top, right, bottom); |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 1173 | dirtyLayerUnchecked(bounds, getRegion()); |
Romain Guy | 1bd1bad | 2011-01-14 20:07:20 -0800 | [diff] [blame] | 1174 | } |
Romain Guy | 1bd1bad | 2011-01-14 20:07:20 -0800 | [diff] [blame] | 1175 | } |
| 1176 | |
| 1177 | void OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { |
Romain Guy | 1bd1bad | 2011-01-14 20:07:20 -0800 | [diff] [blame] | 1178 | if (bounds.intersect(*mSnapshot->clipRect)) { |
| 1179 | bounds.snapToPixelBoundaries(); |
| 1180 | android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); |
| 1181 | if (!dirty.isEmpty()) { |
| 1182 | region->orSelf(dirty); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1183 | } |
| 1184 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1185 | } |
| 1186 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1187 | void OpenGLRenderer::clearLayerRegions() { |
| 1188 | const size_t count = mLayers.size(); |
| 1189 | if (count == 0) return; |
| 1190 | |
| 1191 | if (!mSnapshot->isIgnored()) { |
| 1192 | // Doing several glScissor/glClear here can negatively impact |
| 1193 | // GPUs with a tiler architecture, instead we draw quads with |
| 1194 | // the Clear blending mode |
| 1195 | |
| 1196 | // The list contains bounds that have already been clipped |
| 1197 | // against their initial clip rect, and the current clip |
| 1198 | // is likely different so we need to disable clipping here |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 1199 | bool scissorChanged = mCaches.disableScissor(); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1200 | |
| 1201 | Vertex mesh[count * 6]; |
| 1202 | Vertex* vertex = mesh; |
| 1203 | |
| 1204 | for (uint32_t i = 0; i < count; i++) { |
| 1205 | Rect* bounds = mLayers.itemAt(i); |
| 1206 | |
| 1207 | Vertex::set(vertex++, bounds->left, bounds->bottom); |
| 1208 | Vertex::set(vertex++, bounds->left, bounds->top); |
| 1209 | Vertex::set(vertex++, bounds->right, bounds->top); |
| 1210 | Vertex::set(vertex++, bounds->left, bounds->bottom); |
| 1211 | Vertex::set(vertex++, bounds->right, bounds->top); |
| 1212 | Vertex::set(vertex++, bounds->right, bounds->bottom); |
| 1213 | |
| 1214 | delete bounds; |
| 1215 | } |
Romain Guy | e67307c | 2013-02-11 18:01:20 -0800 | [diff] [blame] | 1216 | // We must clear the list of dirty rects before we |
| 1217 | // call setupDraw() to prevent stencil setup to do |
| 1218 | // the same thing again |
| 1219 | mLayers.clear(); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1220 | |
| 1221 | setupDraw(false); |
| 1222 | setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); |
| 1223 | setupDrawBlending(true, SkXfermode::kClear_Mode); |
| 1224 | setupDrawProgram(); |
| 1225 | setupDrawPureColorUniforms(); |
| 1226 | setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); |
Romain Guy | 39d252a | 2011-12-12 18:14:06 -0800 | [diff] [blame] | 1227 | setupDrawVertices(&mesh[0].position[0]); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1228 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1229 | glDrawArrays(GL_TRIANGLES, 0, count * 6); |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 1230 | |
| 1231 | if (scissorChanged) mCaches.enableScissor(); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1232 | } else { |
| 1233 | for (uint32_t i = 0; i < count; i++) { |
| 1234 | delete mLayers.itemAt(i); |
| 1235 | } |
Romain Guy | e67307c | 2013-02-11 18:01:20 -0800 | [diff] [blame] | 1236 | mLayers.clear(); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1237 | } |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1238 | } |
| 1239 | |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 1240 | /////////////////////////////////////////////////////////////////////////////// |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1241 | // State Deferral |
| 1242 | /////////////////////////////////////////////////////////////////////////////// |
| 1243 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1244 | bool OpenGLRenderer::storeDisplayState(DeferredDisplayState& state, int stateDeferFlags) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1245 | const Rect& currentClip = *(mSnapshot->clipRect); |
| 1246 | const mat4& currentMatrix = *(mSnapshot->transform); |
| 1247 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1248 | if (stateDeferFlags & kStateDeferFlag_Draw) { |
| 1249 | // state has bounds initialized in local coordinates |
| 1250 | if (!state.mBounds.isEmpty()) { |
| 1251 | currentMatrix.mapRect(state.mBounds); |
| 1252 | if (!state.mBounds.intersect(currentClip)) { |
| 1253 | // quick rejected |
| 1254 | return true; |
| 1255 | } |
| 1256 | } else { |
| 1257 | state.mBounds.set(currentClip); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1258 | } |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1259 | state.mDrawModifiers = mDrawModifiers; |
| 1260 | state.mAlpha = mSnapshot->alpha; |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1261 | } |
| 1262 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1263 | if (stateDeferFlags & kStateDeferFlag_Clip) { |
| 1264 | state.mClip.set(currentClip); |
| 1265 | } else { |
| 1266 | state.mClip.setEmpty(); |
| 1267 | } |
| 1268 | |
| 1269 | // transform always deferred |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1270 | state.mMatrix.load(currentMatrix); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1271 | return false; |
| 1272 | } |
| 1273 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1274 | void OpenGLRenderer::restoreDisplayState(const DeferredDisplayState& state, int stateDeferFlags) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1275 | currentTransform().load(state.mMatrix); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1276 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1277 | if (stateDeferFlags & kStateDeferFlag_Draw) { |
| 1278 | mDrawModifiers = state.mDrawModifiers; |
| 1279 | mSnapshot->alpha = state.mAlpha; |
| 1280 | } |
| 1281 | |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 1282 | if (!state.mClip.isEmpty()) { |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1283 | mSnapshot->setClip(state.mClip.left, state.mClip.top, state.mClip.right, state.mClip.bottom); |
| 1284 | dirtyClip(); |
| 1285 | } |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1286 | } |
| 1287 | |
| 1288 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1289 | // Transforms |
| 1290 | /////////////////////////////////////////////////////////////////////////////// |
| 1291 | |
| 1292 | void OpenGLRenderer::translate(float dx, float dy) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1293 | currentTransform().translate(dx, dy, 0.0f); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1294 | } |
| 1295 | |
| 1296 | void OpenGLRenderer::rotate(float degrees) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1297 | currentTransform().rotate(degrees, 0.0f, 0.0f, 1.0f); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1298 | } |
| 1299 | |
| 1300 | void OpenGLRenderer::scale(float sx, float sy) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1301 | currentTransform().scale(sx, sy, 1.0f); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1302 | } |
| 1303 | |
Romain Guy | 807daf7 | 2011-01-18 11:19:19 -0800 | [diff] [blame] | 1304 | void OpenGLRenderer::skew(float sx, float sy) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1305 | currentTransform().skew(sx, sy); |
Romain Guy | 807daf7 | 2011-01-18 11:19:19 -0800 | [diff] [blame] | 1306 | } |
| 1307 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1308 | void OpenGLRenderer::setMatrix(SkMatrix* matrix) { |
Romain Guy | e707859 | 2011-10-28 14:32:20 -0700 | [diff] [blame] | 1309 | if (matrix) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1310 | currentTransform().load(*matrix); |
Romain Guy | e707859 | 2011-10-28 14:32:20 -0700 | [diff] [blame] | 1311 | } else { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1312 | currentTransform().loadIdentity(); |
Romain Guy | e707859 | 2011-10-28 14:32:20 -0700 | [diff] [blame] | 1313 | } |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1314 | } |
| 1315 | |
Chris Craik | b98a016 | 2013-02-21 11:30:22 -0800 | [diff] [blame] | 1316 | bool OpenGLRenderer::hasRectToRectTransform() { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1317 | return CC_LIKELY(currentTransform().rectToRect()); |
Chris Craik | b98a016 | 2013-02-21 11:30:22 -0800 | [diff] [blame] | 1318 | } |
| 1319 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1320 | void OpenGLRenderer::getMatrix(SkMatrix* matrix) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1321 | currentTransform().copyTo(*matrix); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1322 | } |
| 1323 | |
| 1324 | void OpenGLRenderer::concatMatrix(SkMatrix* matrix) { |
Romain Guy | e5ebcb0 | 2010-10-15 13:57:28 -0700 | [diff] [blame] | 1325 | SkMatrix transform; |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1326 | currentTransform().copyTo(transform); |
Romain Guy | e5ebcb0 | 2010-10-15 13:57:28 -0700 | [diff] [blame] | 1327 | transform.preConcat(*matrix); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1328 | currentTransform().load(transform); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1329 | } |
| 1330 | |
| 1331 | /////////////////////////////////////////////////////////////////////////////// |
| 1332 | // Clipping |
| 1333 | /////////////////////////////////////////////////////////////////////////////// |
| 1334 | |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 1335 | void OpenGLRenderer::setScissorFromClip() { |
Romain Guy | e5ebcb0 | 2010-10-15 13:57:28 -0700 | [diff] [blame] | 1336 | Rect clip(*mSnapshot->clipRect); |
| 1337 | clip.snapToPixelBoundaries(); |
Romain Guy | 8f85e80 | 2011-12-14 19:23:32 -0800 | [diff] [blame] | 1338 | |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 1339 | if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, |
| 1340 | clip.getWidth(), clip.getHeight())) { |
| 1341 | mDirtyClip = false; |
| 1342 | } |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 1343 | } |
| 1344 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1345 | void OpenGLRenderer::ensureStencilBuffer() { |
| 1346 | // Thanks to the mismatch between EGL and OpenGL ES FBO we |
| 1347 | // cannot attach a stencil buffer to fbo0 dynamically. Let's |
| 1348 | // just hope we have one when hasLayer() returns false. |
| 1349 | if (hasLayer()) { |
| 1350 | attachStencilBufferToLayer(mSnapshot->layer); |
| 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | void OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { |
| 1355 | // The layer's FBO is already bound when we reach this stage |
| 1356 | if (!layer->getStencilRenderBuffer()) { |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 1357 | // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer |
| 1358 | // is attached after we initiated tiling. We must turn it off, |
| 1359 | // attach the new render buffer then turn tiling back on |
| 1360 | endTiling(); |
| 1361 | |
Romain Guy | 8d4aeb7 | 2013-02-12 16:08:55 -0800 | [diff] [blame] | 1362 | RenderBuffer* buffer = mCaches.renderBufferCache.get( |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 1363 | Stencil::getSmallestStencilFormat(), layer->getWidth(), layer->getHeight()); |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1364 | layer->setStencilRenderBuffer(buffer); |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 1365 | |
Romain Guy | f735c8e | 2013-01-31 17:45:55 -0800 | [diff] [blame] | 1366 | startTiling(layer->clipRect, layer->layer.getHeight()); |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1367 | } |
| 1368 | } |
| 1369 | |
| 1370 | void OpenGLRenderer::setStencilFromClip() { |
| 1371 | if (!mCaches.debugOverdraw) { |
| 1372 | if (!mSnapshot->clipRegion->isEmpty()) { |
| 1373 | // NOTE: The order here is important, we must set dirtyClip to false |
| 1374 | // before any draw call to avoid calling back into this method |
| 1375 | mDirtyClip = false; |
| 1376 | |
| 1377 | ensureStencilBuffer(); |
| 1378 | |
| 1379 | mCaches.stencil.enableWrite(); |
| 1380 | |
| 1381 | // Clear the stencil but first make sure we restrict drawing |
| 1382 | // to the region's bounds |
| 1383 | bool resetScissor = mCaches.enableScissor(); |
| 1384 | if (resetScissor) { |
| 1385 | // The scissor was not set so we now need to update it |
| 1386 | setScissorFromClip(); |
| 1387 | } |
| 1388 | mCaches.stencil.clear(); |
| 1389 | if (resetScissor) mCaches.disableScissor(); |
| 1390 | |
| 1391 | // NOTE: We could use the region contour path to generate a smaller mesh |
| 1392 | // Since we are using the stencil we could use the red book path |
| 1393 | // drawing technique. It might increase bandwidth usage though. |
| 1394 | |
| 1395 | // The last parameter is important: we are not drawing in the color buffer |
| 1396 | // so we don't want to dirty the current layer, if any |
| 1397 | drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); |
| 1398 | |
| 1399 | mCaches.stencil.enableTest(); |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 1400 | |
| 1401 | // Draw the region used to generate the stencil if the appropriate debug |
| 1402 | // mode is enabled |
| 1403 | if (mCaches.debugStencilClip == Caches::kStencilShowRegion) { |
| 1404 | drawRegionRects(*mSnapshot->clipRegion, 0x7f0000ff, SkXfermode::kSrcOver_Mode); |
| 1405 | } |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1406 | } else { |
| 1407 | mCaches.stencil.disable(); |
| 1408 | } |
| 1409 | } |
| 1410 | } |
| 1411 | |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 1412 | const Rect& OpenGLRenderer::getClipBounds() { |
Romain Guy | 079ba2c | 2010-07-16 14:12:24 -0700 | [diff] [blame] | 1413 | return mSnapshot->getLocalClip(); |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 1414 | } |
| 1415 | |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 1416 | bool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { |
| 1417 | if (mSnapshot->isIgnored()) { |
| 1418 | return true; |
| 1419 | } |
| 1420 | |
| 1421 | Rect r(left, top, right, bottom); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1422 | currentTransform().mapRect(r); |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 1423 | r.snapToPixelBoundaries(); |
| 1424 | |
| 1425 | Rect clipRect(*mSnapshot->clipRect); |
| 1426 | clipRect.snapToPixelBoundaries(); |
| 1427 | |
| 1428 | return !clipRect.intersects(r); |
| 1429 | } |
| 1430 | |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 1431 | bool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, |
| 1432 | Rect& transformed, Rect& clip) { |
| 1433 | if (mSnapshot->isIgnored()) { |
| 1434 | return true; |
| 1435 | } |
| 1436 | |
| 1437 | transformed.set(left, top, right, bottom); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1438 | currentTransform().mapRect(transformed); |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 1439 | transformed.snapToPixelBoundaries(); |
| 1440 | |
| 1441 | clip.set(*mSnapshot->clipRect); |
| 1442 | clip.snapToPixelBoundaries(); |
| 1443 | |
| 1444 | return !clip.intersects(transformed); |
| 1445 | } |
| 1446 | |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 1447 | bool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, |
| 1448 | SkPaint* paint) { |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1449 | if (paint->getStyle() != SkPaint::kFill_Style) { |
| 1450 | float outset = paint->getStrokeWidth() * 0.5f; |
| 1451 | return quickReject(left - outset, top - outset, right + outset, bottom + outset); |
| 1452 | } else { |
| 1453 | return quickReject(left, top, right, bottom); |
| 1454 | } |
| 1455 | } |
| 1456 | |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 1457 | bool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { |
Chris Craik | bf09ffb | 2012-10-01 13:50:37 -0700 | [diff] [blame] | 1458 | if (mSnapshot->isIgnored() || bottom <= top || right <= left) { |
Romain Guy | dbc26d2 | 2010-10-11 17:58:29 -0700 | [diff] [blame] | 1459 | return true; |
| 1460 | } |
| 1461 | |
Romain Guy | 1d83e19 | 2010-08-17 11:37:00 -0700 | [diff] [blame] | 1462 | Rect r(left, top, right, bottom); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1463 | currentTransform().mapRect(r); |
Romain Guy | d2a1ff0 | 2010-10-14 14:46:44 -0700 | [diff] [blame] | 1464 | r.snapToPixelBoundaries(); |
| 1465 | |
| 1466 | Rect clipRect(*mSnapshot->clipRect); |
| 1467 | clipRect.snapToPixelBoundaries(); |
| 1468 | |
Romain Guy | 586cae3 | 2012-07-13 15:28:31 -0700 | [diff] [blame] | 1469 | bool rejected = !clipRect.intersects(r); |
| 1470 | if (!isDeferred() && !rejected) { |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 1471 | mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); |
Romain Guy | 586cae3 | 2012-07-13 15:28:31 -0700 | [diff] [blame] | 1472 | } |
| 1473 | |
| 1474 | return rejected; |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 1475 | } |
| 1476 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1477 | void OpenGLRenderer::debugClip() { |
| 1478 | #if DEBUG_CLIP_REGIONS |
| 1479 | if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { |
| 1480 | drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); |
| 1481 | } |
| 1482 | #endif |
| 1483 | } |
| 1484 | |
Romain Guy | 079ba2c | 2010-07-16 14:12:24 -0700 | [diff] [blame] | 1485 | bool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1486 | if (CC_LIKELY(currentTransform().rectToRect())) { |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1487 | bool clipped = mSnapshot->clip(left, top, right, bottom, op); |
| 1488 | if (clipped) { |
| 1489 | dirtyClip(); |
| 1490 | } |
| 1491 | return !mSnapshot->clipRect->isEmpty(); |
| 1492 | } |
| 1493 | |
| 1494 | SkPath path; |
| 1495 | path.addRect(left, top, right, bottom); |
| 1496 | |
| 1497 | return clipPath(&path, op); |
| 1498 | } |
| 1499 | |
| 1500 | bool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { |
| 1501 | SkMatrix transform; |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1502 | currentTransform().copyTo(transform); |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1503 | |
| 1504 | SkPath transformed; |
| 1505 | path->transform(transform, &transformed); |
| 1506 | |
| 1507 | SkRegion clip; |
| 1508 | if (!mSnapshot->clipRegion->isEmpty()) { |
| 1509 | clip.setRegion(*mSnapshot->clipRegion); |
| 1510 | } else { |
| 1511 | Rect* bounds = mSnapshot->clipRect; |
| 1512 | clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); |
| 1513 | } |
| 1514 | |
| 1515 | SkRegion region; |
| 1516 | region.setPath(transformed, clip); |
| 1517 | |
| 1518 | bool clipped = mSnapshot->clipRegionTransformed(region, op); |
Romain Guy | 7ae7ac4 | 2010-06-25 13:46:18 -0700 | [diff] [blame] | 1519 | if (clipped) { |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 1520 | dirtyClip(); |
Romain Guy | 7ae7ac4 | 2010-06-25 13:46:18 -0700 | [diff] [blame] | 1521 | } |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 1522 | return !mSnapshot->clipRect->isEmpty(); |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 1523 | } |
| 1524 | |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 1525 | bool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1526 | bool clipped = mSnapshot->clipRegionTransformed(*region, op); |
| 1527 | if (clipped) { |
| 1528 | dirtyClip(); |
| 1529 | } |
| 1530 | return !mSnapshot->clipRect->isEmpty(); |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 1531 | } |
| 1532 | |
Chet Haase | a23eed8 | 2012-04-12 15:19:04 -0700 | [diff] [blame] | 1533 | Rect* OpenGLRenderer::getClipRect() { |
| 1534 | return mSnapshot->clipRect; |
| 1535 | } |
| 1536 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1537 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1538 | // Drawing commands |
| 1539 | /////////////////////////////////////////////////////////////////////////////// |
| 1540 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1541 | void OpenGLRenderer::setupDraw(bool clear) { |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 1542 | // TODO: It would be best if we could do this before quickReject() |
| 1543 | // changes the scissor test state |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1544 | if (clear) clearLayerRegions(); |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1545 | // Make sure setScissor & setStencil happen at the beginning of |
| 1546 | // this method |
Chris Craik | b98a016 | 2013-02-21 11:30:22 -0800 | [diff] [blame] | 1547 | if (mDirtyClip) { |
| 1548 | if (mCaches.scissorEnabled) { |
| 1549 | setScissorFromClip(); |
| 1550 | } |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 1551 | setStencilFromClip(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1552 | } |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 1553 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1554 | mDescription.reset(); |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 1555 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1556 | mSetShaderColor = false; |
| 1557 | mColorSet = false; |
| 1558 | mColorA = mColorR = mColorG = mColorB = 0.0f; |
| 1559 | mTextureUnit = 0; |
| 1560 | mTrackDirtyRegions = true; |
Romain Guy | 3ff0bfd | 2013-02-25 14:15:37 -0800 | [diff] [blame] | 1561 | |
| 1562 | // Enable debug highlight when what we're about to draw is tested against |
| 1563 | // the stencil buffer and if stencil highlight debugging is on |
| 1564 | mDescription.hasDebugHighlight = !mCaches.debugOverdraw && |
| 1565 | mCaches.debugStencilClip == Caches::kStencilShowHighlight && |
| 1566 | mCaches.stencil.isTestEnabled(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1567 | } |
| 1568 | |
| 1569 | void OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { |
| 1570 | mDescription.hasTexture = true; |
| 1571 | mDescription.hasAlpha8Texture = isAlpha8; |
| 1572 | } |
| 1573 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 1574 | void OpenGLRenderer::setupDrawWithTextureAndColor(bool isAlpha8) { |
| 1575 | mDescription.hasTexture = true; |
| 1576 | mDescription.hasColors = true; |
| 1577 | mDescription.hasAlpha8Texture = isAlpha8; |
| 1578 | } |
| 1579 | |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 1580 | void OpenGLRenderer::setupDrawWithExternalTexture() { |
| 1581 | mDescription.hasExternalTexture = true; |
| 1582 | } |
| 1583 | |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1584 | void OpenGLRenderer::setupDrawNoTexture() { |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 1585 | mCaches.disableTexCoordsVertexArray(); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1586 | } |
| 1587 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 1588 | void OpenGLRenderer::setupDrawAA() { |
Chet Haase | 99585ad | 2011-05-02 15:00:16 -0700 | [diff] [blame] | 1589 | mDescription.isAA = true; |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 1590 | } |
| 1591 | |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 1592 | void OpenGLRenderer::setupDrawPoint(float pointSize) { |
| 1593 | mDescription.isPoint = true; |
| 1594 | mDescription.pointSize = pointSize; |
| 1595 | } |
| 1596 | |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 1597 | void OpenGLRenderer::setupDrawColor(int color, int alpha) { |
| 1598 | mColorA = alpha / 255.0f; |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1599 | mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; |
| 1600 | mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; |
| 1601 | mColorB = mColorA * ((color ) & 0xFF) / 255.0f; |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1602 | mColorSet = true; |
| 1603 | mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); |
| 1604 | } |
| 1605 | |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1606 | void OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { |
| 1607 | mColorA = alpha / 255.0f; |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1608 | mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; |
| 1609 | mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; |
| 1610 | mColorB = mColorA * ((color ) & 0xFF) / 255.0f; |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1611 | mColorSet = true; |
| 1612 | mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); |
| 1613 | } |
| 1614 | |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 1615 | void OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { |
| 1616 | mCaches.fontRenderer->describe(mDescription, paint); |
| 1617 | } |
| 1618 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1619 | void OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { |
| 1620 | mColorA = a; |
| 1621 | mColorR = r; |
| 1622 | mColorG = g; |
| 1623 | mColorB = b; |
| 1624 | mColorSet = true; |
| 1625 | mSetShaderColor = mDescription.setColor(r, g, b, a); |
| 1626 | } |
| 1627 | |
| 1628 | void OpenGLRenderer::setupDrawShader() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1629 | if (mDrawModifiers.mShader) { |
| 1630 | mDrawModifiers.mShader->describe(mDescription, mExtensions); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1631 | } |
| 1632 | } |
| 1633 | |
| 1634 | void OpenGLRenderer::setupDrawColorFilter() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1635 | if (mDrawModifiers.mColorFilter) { |
| 1636 | mDrawModifiers.mColorFilter->describe(mDescription, mExtensions); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1637 | } |
| 1638 | } |
| 1639 | |
Romain Guy | f09ef51 | 2011-05-27 11:43:46 -0700 | [diff] [blame] | 1640 | void OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { |
| 1641 | if (mColorSet && mode == SkXfermode::kClear_Mode) { |
| 1642 | mColorA = 1.0f; |
| 1643 | mColorR = mColorG = mColorB = 0.0f; |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 1644 | mSetShaderColor = mDescription.modulate = true; |
Romain Guy | f09ef51 | 2011-05-27 11:43:46 -0700 | [diff] [blame] | 1645 | } |
| 1646 | } |
| 1647 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1648 | void OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { |
Romain Guy | f09ef51 | 2011-05-27 11:43:46 -0700 | [diff] [blame] | 1649 | // When the blending mode is kClear_Mode, we need to use a modulate color |
| 1650 | // argb=1,0,0,0 |
| 1651 | accountForClear(mode); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1652 | bool blend = (mColorSet && mColorA < 1.0f) || |
| 1653 | (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()); |
| 1654 | chooseBlending(blend, mode, mDescription, swapSrcDst); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1655 | } |
| 1656 | |
| 1657 | void OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { |
Romain Guy | f09ef51 | 2011-05-27 11:43:46 -0700 | [diff] [blame] | 1658 | // When the blending mode is kClear_Mode, we need to use a modulate color |
| 1659 | // argb=1,0,0,0 |
| 1660 | accountForClear(mode); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1661 | blend |= (mColorSet && mColorA < 1.0f) || |
| 1662 | (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) || |
| 1663 | (mDrawModifiers.mColorFilter && mDrawModifiers.mColorFilter->blend()); |
| 1664 | chooseBlending(blend, mode, mDescription, swapSrcDst); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1665 | } |
| 1666 | |
| 1667 | void OpenGLRenderer::setupDrawProgram() { |
| 1668 | useProgram(mCaches.programCache.get(mDescription)); |
| 1669 | } |
| 1670 | |
| 1671 | void OpenGLRenderer::setupDrawDirtyRegionsDisabled() { |
| 1672 | mTrackDirtyRegions = false; |
| 1673 | } |
| 1674 | |
| 1675 | void OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, |
| 1676 | bool ignoreTransform) { |
| 1677 | mModelView.loadTranslate(left, top, 0.0f); |
| 1678 | if (!ignoreTransform) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1679 | mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); |
| 1680 | if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, currentTransform()); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1681 | } else { |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 1682 | mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1683 | if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); |
| 1684 | } |
| 1685 | } |
| 1686 | |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 1687 | void OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1688 | mCaches.currentProgram->set(mOrthoMatrix, mat4::identity(), currentTransform(), offset); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 1689 | } |
| 1690 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1691 | void OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, |
| 1692 | bool ignoreTransform, bool ignoreModelView) { |
| 1693 | if (!ignoreModelView) { |
| 1694 | mModelView.loadTranslate(left, top, 0.0f); |
| 1695 | mModelView.scale(right - left, bottom - top, 1.0f); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1696 | } else { |
| 1697 | mModelView.loadIdentity(); |
| 1698 | } |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1699 | bool dirty = right - left > 0.0f && bottom - top > 0.0f; |
| 1700 | if (!ignoreTransform) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1701 | mCaches.currentProgram->set(mOrthoMatrix, mModelView, currentTransform()); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1702 | if (mTrackDirtyRegions && dirty) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1703 | dirtyLayer(left, top, right, bottom, currentTransform()); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1704 | } |
| 1705 | } else { |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 1706 | mCaches.currentProgram->set(mOrthoMatrix, mModelView, mat4::identity()); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1707 | if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); |
| 1708 | } |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1709 | } |
| 1710 | |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 1711 | void OpenGLRenderer::setupDrawPointUniforms() { |
| 1712 | int slot = mCaches.currentProgram->getUniform("pointSize"); |
| 1713 | glUniform1f(slot, mDescription.pointSize); |
| 1714 | } |
| 1715 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1716 | void OpenGLRenderer::setupDrawColorUniforms() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1717 | if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) { |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1718 | mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); |
| 1719 | } |
| 1720 | } |
| 1721 | |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1722 | void OpenGLRenderer::setupDrawPureColorUniforms() { |
Romain Guy | 5536841 | 2010-12-14 10:59:41 -0800 | [diff] [blame] | 1723 | if (mSetShaderColor) { |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 1724 | mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); |
Romain Guy | 5536841 | 2010-12-14 10:59:41 -0800 | [diff] [blame] | 1725 | } |
| 1726 | } |
| 1727 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1728 | void OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1729 | if (mDrawModifiers.mShader) { |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1730 | if (ignoreTransform) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1731 | mModelView.loadInverse(currentTransform()); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1732 | } |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1733 | mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, |
| 1734 | mModelView, *mSnapshot, &mTextureUnit); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1735 | } |
| 1736 | } |
| 1737 | |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 1738 | void OpenGLRenderer::setupDrawShaderIdentityUniforms() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1739 | if (mDrawModifiers.mShader) { |
| 1740 | mDrawModifiers.mShader->setupProgram(mCaches.currentProgram, |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 1741 | mat4::identity(), *mSnapshot, &mTextureUnit); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 1742 | } |
| 1743 | } |
| 1744 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1745 | void OpenGLRenderer::setupDrawColorFilterUniforms() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1746 | if (mDrawModifiers.mColorFilter) { |
| 1747 | mDrawModifiers.mColorFilter->setupProgram(mCaches.currentProgram); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1748 | } |
| 1749 | } |
| 1750 | |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 1751 | void OpenGLRenderer::setupDrawTextGammaUniforms() { |
| 1752 | mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); |
| 1753 | } |
| 1754 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1755 | void OpenGLRenderer::setupDrawSimpleMesh() { |
Romain Guy | f3a910b4 | 2011-12-12 20:35:21 -0800 | [diff] [blame] | 1756 | bool force = mCaches.bindMeshBuffer(); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1757 | mCaches.bindPositionVertexPointer(force, 0); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1758 | mCaches.unbindIndicesBuffer(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1759 | } |
| 1760 | |
| 1761 | void OpenGLRenderer::setupDrawTexture(GLuint texture) { |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 1762 | if (texture) bindTexture(texture); |
Romain Guy | 2d4fd36 | 2011-12-13 22:00:19 -0800 | [diff] [blame] | 1763 | mTextureUnit++; |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1764 | mCaches.enableTexCoordsVertexArray(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1765 | } |
| 1766 | |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 1767 | void OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { |
| 1768 | bindExternalTexture(texture); |
Romain Guy | 2d4fd36 | 2011-12-13 22:00:19 -0800 | [diff] [blame] | 1769 | mTextureUnit++; |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1770 | mCaches.enableTexCoordsVertexArray(); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 1771 | } |
| 1772 | |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 1773 | void OpenGLRenderer::setupDrawTextureTransform() { |
| 1774 | mDescription.hasTextureTransform = true; |
| 1775 | } |
| 1776 | |
| 1777 | void OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 1778 | glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, |
| 1779 | GL_FALSE, &transform.data[0]); |
| 1780 | } |
| 1781 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1782 | void OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { |
Romain Guy | f3a910b4 | 2011-12-12 20:35:21 -0800 | [diff] [blame] | 1783 | bool force = false; |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1784 | if (!vertices) { |
Romain Guy | f3a910b4 | 2011-12-12 20:35:21 -0800 | [diff] [blame] | 1785 | force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1786 | } else { |
Romain Guy | f3a910b4 | 2011-12-12 20:35:21 -0800 | [diff] [blame] | 1787 | force = mCaches.unbindMeshBuffer(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1788 | } |
Romain Guy | d71dd36 | 2011-12-12 19:03:35 -0800 | [diff] [blame] | 1789 | |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1790 | mCaches.bindPositionVertexPointer(force, vertices); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1791 | if (mCaches.currentProgram->texCoords >= 0) { |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1792 | mCaches.bindTexCoordsVertexPointer(force, texCoords); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1793 | } |
| 1794 | |
| 1795 | mCaches.unbindIndicesBuffer(); |
| 1796 | } |
| 1797 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 1798 | void OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors) { |
| 1799 | bool force = mCaches.unbindMeshBuffer(); |
| 1800 | GLsizei stride = sizeof(ColorTextureVertex); |
| 1801 | |
| 1802 | mCaches.bindPositionVertexPointer(force, vertices, stride); |
| 1803 | if (mCaches.currentProgram->texCoords >= 0) { |
| 1804 | mCaches.bindTexCoordsVertexPointer(force, texCoords, stride); |
| 1805 | } |
| 1806 | int slot = mCaches.currentProgram->getAttrib("colors"); |
| 1807 | if (slot >= 0) { |
| 1808 | glEnableVertexAttribArray(slot); |
| 1809 | glVertexAttribPointer(slot, 4, GL_FLOAT, GL_FALSE, stride, colors); |
| 1810 | } |
| 1811 | |
| 1812 | mCaches.unbindIndicesBuffer(); |
| 1813 | } |
| 1814 | |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1815 | void OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { |
| 1816 | bool force = mCaches.unbindMeshBuffer(); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1817 | mCaches.bindPositionVertexPointer(force, vertices); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1818 | if (mCaches.currentProgram->texCoords >= 0) { |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1819 | mCaches.bindTexCoordsVertexPointer(force, texCoords); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 1820 | } |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1821 | } |
| 1822 | |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 1823 | void OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { |
Romain Guy | f3a910b4 | 2011-12-12 20:35:21 -0800 | [diff] [blame] | 1824 | bool force = mCaches.unbindMeshBuffer(); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 1825 | mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 1826 | mCaches.unbindIndicesBuffer(); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 1827 | } |
| 1828 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1829 | void OpenGLRenderer::finishDrawTexture() { |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 1830 | } |
| 1831 | |
| 1832 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 1833 | // Drawing |
| 1834 | /////////////////////////////////////////////////////////////////////////////// |
| 1835 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1836 | status_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, Rect& dirty, |
| 1837 | int32_t replayFlags) { |
Romain Guy | 0fe478e | 2010-11-08 12:08:41 -0800 | [diff] [blame] | 1838 | // All the usual checks and setup operations (quickReject, setupDraw, etc.) |
| 1839 | // will be performed by the display list itself |
Romain Guy | 04c9d8c | 2011-08-25 14:01:48 -0700 | [diff] [blame] | 1840 | if (displayList && displayList->isRenderable()) { |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 1841 | if (CC_UNLIKELY(mCaches.drawDeferDisabled)) { |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1842 | ReplayStateStruct replayStruct(*this, dirty, replayFlags); |
| 1843 | displayList->replay(replayStruct, 0); |
| 1844 | return replayStruct.mDrawGlStatus; |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1845 | } |
| 1846 | |
| 1847 | DeferredDisplayList deferredList; |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 1848 | DeferStateStruct deferStruct(deferredList, *this, replayFlags); |
| 1849 | displayList->defer(deferStruct, 0); |
| 1850 | return deferredList.flush(*this, dirty); |
Romain Guy | 0fe478e | 2010-11-08 12:08:41 -0800 | [diff] [blame] | 1851 | } |
Romain Guy | 7b5b6ab | 2011-03-14 18:05:08 -0700 | [diff] [blame] | 1852 | |
Romain Guy | 6554943 | 2012-03-26 16:45:05 -0700 | [diff] [blame] | 1853 | return DrawGlInfo::kStatusDone; |
Romain Guy | 0fe478e | 2010-11-08 12:08:41 -0800 | [diff] [blame] | 1854 | } |
| 1855 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 1856 | void OpenGLRenderer::outputDisplayList(DisplayList* displayList) { |
Chet Haase | ed30fd8 | 2011-04-22 16:18:45 -0700 | [diff] [blame] | 1857 | if (displayList) { |
Romain Guy | 7031ff6 | 2013-02-22 11:48:16 -0800 | [diff] [blame] | 1858 | displayList->output(1); |
Chet Haase | ed30fd8 | 2011-04-22 16:18:45 -0700 | [diff] [blame] | 1859 | } |
| 1860 | } |
| 1861 | |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1862 | void OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { |
| 1863 | int alpha; |
| 1864 | SkXfermode::Mode mode; |
| 1865 | getAlphaAndMode(paint, &alpha, &mode); |
| 1866 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1867 | int color = paint != NULL ? paint->getColor() : 0; |
| 1868 | |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1869 | float x = left; |
| 1870 | float y = top; |
| 1871 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1872 | texture->setWrap(GL_CLAMP_TO_EDGE, true); |
| 1873 | |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1874 | bool ignoreTransform = false; |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 1875 | if (currentTransform().isPureTranslate()) { |
| 1876 | x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); |
| 1877 | y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1878 | ignoreTransform = true; |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1879 | |
| 1880 | texture->setFilter(GL_NEAREST, true); |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 1881 | } else { |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1882 | texture->setFilter(FILTER(paint), true); |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1883 | } |
| 1884 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1885 | drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, |
| 1886 | paint != NULL, color, alpha, mode, (GLvoid*) NULL, |
| 1887 | (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1888 | } |
| 1889 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1890 | status_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 1891 | const float right = left + bitmap->width(); |
| 1892 | const float bottom = top + bitmap->height(); |
| 1893 | |
| 1894 | if (quickReject(left, top, right, bottom)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1895 | return DrawGlInfo::kStatusDone; |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 1896 | } |
| 1897 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 1898 | mCaches.activeTexture(0); |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 1899 | Texture* texture = mCaches.textureCache.get(bitmap); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1900 | if (!texture) return DrawGlInfo::kStatusDone; |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 1901 | const AutoTexture autoCleanup(texture); |
| 1902 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 1903 | if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 1904 | drawAlphaBitmap(texture, left, top, paint); |
| 1905 | } else { |
| 1906 | drawTextureRect(left, top, right, bottom, texture, paint); |
| 1907 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1908 | |
| 1909 | return DrawGlInfo::kStatusDrew; |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 1910 | } |
| 1911 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1912 | status_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { |
Romain Guy | f86ef57 | 2010-07-01 11:05:42 -0700 | [diff] [blame] | 1913 | Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); |
| 1914 | const mat4 transform(*matrix); |
| 1915 | transform.mapRect(r); |
| 1916 | |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 1917 | if (quickReject(r.left, r.top, r.right, r.bottom)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1918 | return DrawGlInfo::kStatusDone; |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 1919 | } |
| 1920 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 1921 | mCaches.activeTexture(0); |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 1922 | Texture* texture = mCaches.textureCache.get(bitmap); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1923 | if (!texture) return DrawGlInfo::kStatusDone; |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 1924 | const AutoTexture autoCleanup(texture); |
| 1925 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1926 | // This could be done in a cheaper way, all we need is pass the matrix |
| 1927 | // to the vertex shader. The save/restore is a bit overkill. |
| 1928 | save(SkCanvas::kMatrix_SaveFlag); |
| 1929 | concatMatrix(matrix); |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1930 | if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { |
| 1931 | drawAlphaBitmap(texture, 0.0f, 0.0f, paint); |
| 1932 | } else { |
| 1933 | drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); |
| 1934 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1935 | restore(); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1936 | |
| 1937 | return DrawGlInfo::kStatusDrew; |
Romain Guy | f86ef57 | 2010-07-01 11:05:42 -0700 | [diff] [blame] | 1938 | } |
| 1939 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1940 | status_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { |
Romain Guy | e651cc6 | 2012-05-14 19:44:40 -0700 | [diff] [blame] | 1941 | const float right = left + bitmap->width(); |
| 1942 | const float bottom = top + bitmap->height(); |
| 1943 | |
| 1944 | if (quickReject(left, top, right, bottom)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1945 | return DrawGlInfo::kStatusDone; |
Romain Guy | e651cc6 | 2012-05-14 19:44:40 -0700 | [diff] [blame] | 1946 | } |
| 1947 | |
| 1948 | mCaches.activeTexture(0); |
| 1949 | Texture* texture = mCaches.textureCache.getTransient(bitmap); |
| 1950 | const AutoTexture autoCleanup(texture); |
| 1951 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 1952 | if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { |
| 1953 | drawAlphaBitmap(texture, left, top, paint); |
| 1954 | } else { |
| 1955 | drawTextureRect(left, top, right, bottom, texture, paint); |
| 1956 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1957 | |
| 1958 | return DrawGlInfo::kStatusDrew; |
Romain Guy | e651cc6 | 2012-05-14 19:44:40 -0700 | [diff] [blame] | 1959 | } |
| 1960 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1961 | status_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 1962 | float* vertices, int* colors, SkPaint* paint) { |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 1963 | if (!vertices || mSnapshot->isIgnored()) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 1964 | return DrawGlInfo::kStatusDone; |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 1965 | } |
| 1966 | |
Romain Guy | b18d2d0 | 2011-02-10 15:52:54 -0800 | [diff] [blame] | 1967 | float left = FLT_MAX; |
| 1968 | float top = FLT_MAX; |
| 1969 | float right = FLT_MIN; |
| 1970 | float bottom = FLT_MIN; |
| 1971 | |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 1972 | const uint32_t count = meshWidth * meshHeight * 6; |
Romain Guy | b18d2d0 | 2011-02-10 15:52:54 -0800 | [diff] [blame] | 1973 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 1974 | ColorTextureVertex mesh[count]; |
| 1975 | ColorTextureVertex* vertex = mesh; |
| 1976 | |
| 1977 | bool cleanupColors = false; |
| 1978 | if (!colors) { |
| 1979 | uint32_t colorsCount = (meshWidth + 1) * (meshHeight + 1); |
| 1980 | colors = new int[colorsCount]; |
| 1981 | memset(colors, 0xff, colorsCount * sizeof(int)); |
| 1982 | cleanupColors = true; |
| 1983 | } |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 1984 | |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 1985 | for (int32_t y = 0; y < meshHeight; y++) { |
| 1986 | for (int32_t x = 0; x < meshWidth; x++) { |
| 1987 | uint32_t i = (y * (meshWidth + 1) + x) * 2; |
| 1988 | |
| 1989 | float u1 = float(x) / meshWidth; |
| 1990 | float u2 = float(x + 1) / meshWidth; |
| 1991 | float v1 = float(y) / meshHeight; |
| 1992 | float v2 = float(y + 1) / meshHeight; |
| 1993 | |
| 1994 | int ax = i + (meshWidth + 1) * 2; |
| 1995 | int ay = ax + 1; |
| 1996 | int bx = i; |
| 1997 | int by = bx + 1; |
| 1998 | int cx = i + 2; |
| 1999 | int cy = cx + 1; |
| 2000 | int dx = i + (meshWidth + 1) * 2 + 2; |
| 2001 | int dy = dx + 1; |
| 2002 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 2003 | ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); |
| 2004 | ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); |
| 2005 | ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 2006 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 2007 | ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); |
| 2008 | ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); |
| 2009 | ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); |
Romain Guy | b18d2d0 | 2011-02-10 15:52:54 -0800 | [diff] [blame] | 2010 | |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 2011 | left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); |
| 2012 | top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); |
| 2013 | right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); |
| 2014 | bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 2015 | } |
| 2016 | } |
| 2017 | |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 2018 | if (quickReject(left, top, right, bottom)) { |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 2019 | if (cleanupColors) delete[] colors; |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 2020 | return DrawGlInfo::kStatusDone; |
| 2021 | } |
| 2022 | |
| 2023 | mCaches.activeTexture(0); |
| 2024 | Texture* texture = mCaches.textureCache.get(bitmap); |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 2025 | if (!texture) { |
| 2026 | if (cleanupColors) delete[] colors; |
| 2027 | return DrawGlInfo::kStatusDone; |
| 2028 | } |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 2029 | const AutoTexture autoCleanup(texture); |
| 2030 | |
| 2031 | texture->setWrap(GL_CLAMP_TO_EDGE, true); |
| 2032 | texture->setFilter(FILTER(paint), true); |
| 2033 | |
| 2034 | int alpha; |
| 2035 | SkXfermode::Mode mode; |
| 2036 | getAlphaAndMode(paint, &alpha, &mode); |
| 2037 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 2038 | float a = alpha / 255.0f; |
| 2039 | |
Romain Guy | a92bb4d | 2012-10-16 11:08:44 -0700 | [diff] [blame] | 2040 | if (hasLayer()) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2041 | dirtyLayer(left, top, right, bottom, currentTransform()); |
Romain Guy | b18d2d0 | 2011-02-10 15:52:54 -0800 | [diff] [blame] | 2042 | } |
Romain Guy | b18d2d0 | 2011-02-10 15:52:54 -0800 | [diff] [blame] | 2043 | |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 2044 | setupDraw(); |
| 2045 | setupDrawWithTextureAndColor(); |
| 2046 | setupDrawColor(a, a, a, a); |
| 2047 | setupDrawColorFilter(); |
| 2048 | setupDrawBlending(true, mode, false); |
| 2049 | setupDrawProgram(); |
| 2050 | setupDrawDirtyRegionsDisabled(); |
| 2051 | setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, false); |
| 2052 | setupDrawTexture(texture->id); |
| 2053 | setupDrawPureColorUniforms(); |
| 2054 | setupDrawColorFilterUniforms(); |
| 2055 | setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0], &mesh[0].color[0]); |
| 2056 | |
| 2057 | glDrawArrays(GL_TRIANGLES, 0, count); |
| 2058 | |
| 2059 | finishDrawTexture(); |
| 2060 | |
| 2061 | int slot = mCaches.currentProgram->getAttrib("colors"); |
| 2062 | if (slot >= 0) { |
| 2063 | glDisableVertexAttribArray(slot); |
| 2064 | } |
| 2065 | |
| 2066 | if (cleanupColors) delete[] colors; |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2067 | |
| 2068 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 2069 | } |
| 2070 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2071 | status_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2072 | float srcLeft, float srcTop, float srcRight, float srcBottom, |
| 2073 | float dstLeft, float dstTop, float dstRight, float dstBottom, |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 2074 | SkPaint* paint) { |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 2075 | if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2076 | return DrawGlInfo::kStatusDone; |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 2077 | } |
| 2078 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 2079 | mCaches.activeTexture(0); |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 2080 | Texture* texture = mCaches.textureCache.get(bitmap); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2081 | if (!texture) return DrawGlInfo::kStatusDone; |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 2082 | const AutoTexture autoCleanup(texture); |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2083 | |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2084 | const float width = texture->width; |
| 2085 | const float height = texture->height; |
| 2086 | |
Romain Guy | 6816972 | 2011-08-22 17:33:33 -0700 | [diff] [blame] | 2087 | const float u1 = fmax(0.0f, srcLeft / width); |
| 2088 | const float v1 = fmax(0.0f, srcTop / height); |
| 2089 | const float u2 = fmin(1.0f, srcRight / width); |
| 2090 | const float v2 = fmin(1.0f, srcBottom / height); |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2091 | |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 2092 | mCaches.unbindMeshBuffer(); |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2093 | resetDrawTextureTexCoords(u1, v1, u2, v2); |
| 2094 | |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 2095 | int alpha; |
| 2096 | SkXfermode::Mode mode; |
| 2097 | getAlphaAndMode(paint, &alpha, &mode); |
| 2098 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 2099 | texture->setWrap(GL_CLAMP_TO_EDGE, true); |
| 2100 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 2101 | float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); |
| 2102 | float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2103 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 2104 | bool scaled = scaleX != 1.0f || scaleY != 1.0f; |
| 2105 | // Apply a scale transform on the canvas only when a shader is in use |
| 2106 | // Skia handles the ratio between the dst and src rects as a scale factor |
| 2107 | // when a shader is set |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2108 | bool useScaleTransform = mDrawModifiers.mShader && scaled; |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 2109 | bool ignoreTransform = false; |
Romain Guy | b501498 | 2011-07-28 15:39:12 -0700 | [diff] [blame] | 2110 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2111 | if (CC_LIKELY(currentTransform().isPureTranslate() && !useScaleTransform)) { |
| 2112 | float x = (int) floorf(dstLeft + currentTransform().getTranslateX() + 0.5f); |
| 2113 | float y = (int) floorf(dstTop + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 2114 | |
| 2115 | dstRight = x + (dstRight - dstLeft); |
| 2116 | dstBottom = y + (dstBottom - dstTop); |
| 2117 | |
| 2118 | dstLeft = x; |
| 2119 | dstTop = y; |
| 2120 | |
| 2121 | texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); |
| 2122 | ignoreTransform = true; |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2123 | } else { |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 2124 | texture->setFilter(FILTER(paint), true); |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 2125 | } |
| 2126 | |
| 2127 | if (CC_UNLIKELY(useScaleTransform)) { |
| 2128 | save(SkCanvas::kMatrix_SaveFlag); |
| 2129 | translate(dstLeft, dstTop); |
| 2130 | scale(scaleX, scaleY); |
| 2131 | |
| 2132 | dstLeft = 0.0f; |
| 2133 | dstTop = 0.0f; |
| 2134 | |
| 2135 | dstRight = srcRight - srcLeft; |
| 2136 | dstBottom = srcBottom - srcTop; |
| 2137 | } |
| 2138 | |
| 2139 | if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { |
| 2140 | int color = paint ? paint->getColor() : 0; |
| 2141 | drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, |
| 2142 | texture->id, paint != NULL, color, alpha, mode, |
| 2143 | &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], |
| 2144 | GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); |
| 2145 | } else { |
| 2146 | drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, |
| 2147 | texture->id, alpha / 255.0f, mode, texture->blend, |
| 2148 | &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], |
| 2149 | GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); |
| 2150 | } |
| 2151 | |
| 2152 | if (CC_UNLIKELY(useScaleTransform)) { |
| 2153 | restore(); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2154 | } |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2155 | |
| 2156 | resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2157 | |
| 2158 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 2159 | } |
| 2160 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2161 | status_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, |
Romain Guy | 4bb9420 | 2010-10-12 15:59:26 -0700 | [diff] [blame] | 2162 | const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 2163 | float left, float top, float right, float bottom, SkPaint* paint) { |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 2164 | int alpha; |
| 2165 | SkXfermode::Mode mode; |
| 2166 | getAlphaAndModeDirect(paint, &alpha, &mode); |
| 2167 | |
| 2168 | return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, |
| 2169 | left, top, right, bottom, alpha, mode); |
| 2170 | } |
| 2171 | |
| 2172 | status_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, |
| 2173 | const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, |
| 2174 | float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 2175 | if (quickReject(left, top, right, bottom)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2176 | return DrawGlInfo::kStatusDone; |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 2177 | } |
| 2178 | |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 2179 | alpha *= mSnapshot->alpha; |
| 2180 | |
Romain Guy | 2728f96 | 2010-10-08 18:36:15 -0700 | [diff] [blame] | 2181 | const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), |
Romain Guy | 4bb9420 | 2010-10-12 15:59:26 -0700 | [diff] [blame] | 2182 | right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 2183 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 2184 | if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { |
Romain Guy | a4adcf0 | 2013-02-28 12:15:35 -0800 | [diff] [blame] | 2185 | mCaches.activeTexture(0); |
| 2186 | Texture* texture = mCaches.textureCache.get(bitmap); |
| 2187 | if (!texture) return DrawGlInfo::kStatusDone; |
| 2188 | const AutoTexture autoCleanup(texture); |
| 2189 | texture->setWrap(GL_CLAMP_TO_EDGE, true); |
| 2190 | texture->setFilter(GL_LINEAR, true); |
| 2191 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2192 | const bool pureTranslate = currentTransform().isPureTranslate(); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 2193 | // Mark the current layer dirty where we are going to draw the patch |
Romain Guy | 8168396 | 2011-01-24 20:40:18 -0800 | [diff] [blame] | 2194 | if (hasLayer() && mesh->hasEmptyQuads) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2195 | const float offsetX = left + currentTransform().getTranslateX(); |
| 2196 | const float offsetY = top + currentTransform().getTranslateY(); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 2197 | const size_t count = mesh->quads.size(); |
| 2198 | for (size_t i = 0; i < count; i++) { |
Romain Guy | 8ab4079 | 2010-12-07 13:30:10 -0800 | [diff] [blame] | 2199 | const Rect& bounds = mesh->quads.itemAt(i); |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 2200 | if (CC_LIKELY(pureTranslate)) { |
Romain Guy | c78b5d5 | 2011-02-04 14:00:42 -0800 | [diff] [blame] | 2201 | const float x = (int) floorf(bounds.left + offsetX + 0.5f); |
| 2202 | const float y = (int) floorf(bounds.top + offsetY + 0.5f); |
| 2203 | dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2204 | } else { |
Romain Guy | c78b5d5 | 2011-02-04 14:00:42 -0800 | [diff] [blame] | 2205 | dirtyLayer(left + bounds.left, top + bounds.top, |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2206 | left + bounds.right, top + bounds.bottom, currentTransform()); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2207 | } |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 2208 | } |
| 2209 | } |
| 2210 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 2211 | if (CC_LIKELY(pureTranslate)) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2212 | const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); |
| 2213 | const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2214 | |
| 2215 | drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, |
| 2216 | mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, |
| 2217 | GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, |
| 2218 | true, !mesh->hasEmptyQuads); |
| 2219 | } else { |
| 2220 | drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, |
| 2221 | mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, |
| 2222 | GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, |
| 2223 | true, !mesh->hasEmptyQuads); |
| 2224 | } |
Romain Guy | 054dc18 | 2010-10-15 17:55:25 -0700 | [diff] [blame] | 2225 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2226 | |
| 2227 | return DrawGlInfo::kStatusDrew; |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 2228 | } |
| 2229 | |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2230 | status_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, |
| 2231 | bool useOffset) { |
| 2232 | if (!vertexBuffer.getSize()) { |
| 2233 | // no vertices to draw |
| 2234 | return DrawGlInfo::kStatusDone; |
| 2235 | } |
| 2236 | |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2237 | int color = paint->getColor(); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2238 | SkXfermode::Mode mode = getXfermode(paint->getXfermode()); |
| 2239 | bool isAA = paint->isAntiAlias(); |
| 2240 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2241 | setupDraw(); |
| 2242 | setupDrawNoTexture(); |
| 2243 | if (isAA) setupDrawAA(); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2244 | setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); |
| 2245 | setupDrawColorFilter(); |
| 2246 | setupDrawShader(); |
| 2247 | setupDrawBlending(isAA, mode); |
| 2248 | setupDrawProgram(); |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2249 | setupDrawModelViewIdentity(useOffset); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2250 | setupDrawColorUniforms(); |
| 2251 | setupDrawColorFilterUniforms(); |
| 2252 | setupDrawShaderIdentityUniforms(); |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 2253 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2254 | void* vertices = vertexBuffer.getBuffer(); |
| 2255 | bool force = mCaches.unbindMeshBuffer(); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2256 | mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2257 | mCaches.resetTexCoordsVertexPointer(); |
| 2258 | mCaches.unbindIndicesBuffer(); |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 2259 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2260 | int alphaSlot = -1; |
| 2261 | if (isAA) { |
| 2262 | void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; |
| 2263 | alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 2264 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2265 | // TODO: avoid enable/disable in back to back uses of the alpha attribute |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 2266 | glEnableVertexAttribArray(alphaSlot); |
| 2267 | glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2268 | } |
Romain Guy | 0429938 | 2012-07-18 17:15:41 -0700 | [diff] [blame] | 2269 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2270 | glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); |
Romain Guy | 0429938 | 2012-07-18 17:15:41 -0700 | [diff] [blame] | 2271 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2272 | if (isAA) { |
Chris Craik | 6ebdc11 | 2012-08-31 18:24:33 -0700 | [diff] [blame] | 2273 | glDisableVertexAttribArray(alphaSlot); |
Romain Guy | 0429938 | 2012-07-18 17:15:41 -0700 | [diff] [blame] | 2274 | } |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2275 | |
| 2276 | return DrawGlInfo::kStatusDrew; |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 2277 | } |
| 2278 | |
| 2279 | /** |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2280 | * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to |
| 2281 | * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in |
| 2282 | * screen space in all directions. However, instead of using a fragment shader to compute the |
| 2283 | * translucency of the color from its position, we simply use a varying parameter to define how far |
| 2284 | * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. |
| 2285 | * |
| 2286 | * Doesn't yet support joins, caps, or path effects. |
| 2287 | */ |
| 2288 | status_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { |
| 2289 | VertexBuffer vertexBuffer; |
| 2290 | // TODO: try clipping large paths to viewport |
| 2291 | PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); |
| 2292 | |
Romain Guy | c46d07a | 2013-03-15 19:06:39 -0700 | [diff] [blame] | 2293 | if (hasLayer()) { |
| 2294 | SkRect bounds = path.getBounds(); |
| 2295 | PathTessellator::expandBoundsForStroke(bounds, paint, false); |
| 2296 | dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); |
| 2297 | } |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2298 | |
| 2299 | return drawVertexBuffer(vertexBuffer, paint); |
| 2300 | } |
| 2301 | |
| 2302 | /** |
| 2303 | * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha |
| 2304 | * and additional geometry for defining an alpha slope perimeter. |
| 2305 | * |
| 2306 | * Using GL_LINES can be difficult because the rasterization rules for those lines produces some |
| 2307 | * unexpected results, and may vary between hardware devices. Previously we used a varying-base |
| 2308 | * in-shader alpha region, but found it to be taxing on some GPUs. |
| 2309 | * |
| 2310 | * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce |
| 2311 | * memory transfer by removing need for degenerate vertices. |
Chet Haase | 99ecdc4 | 2011-05-06 12:06:34 -0700 | [diff] [blame] | 2312 | */ |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2313 | status_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2314 | if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 2315 | |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2316 | count &= ~0x3; // round down to nearest four |
Romain Guy | 7b63142 | 2012-04-04 11:38:54 -0700 | [diff] [blame] | 2317 | |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2318 | VertexBuffer buffer; |
| 2319 | SkRect bounds; |
| 2320 | PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); |
Romain Guy | d71ff91d | 2013-02-08 13:46:40 -0800 | [diff] [blame] | 2321 | |
| 2322 | if (quickReject(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom)) { |
| 2323 | return DrawGlInfo::kStatusDone; |
| 2324 | } |
| 2325 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2326 | dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform()); |
Romain Guy | 7b63142 | 2012-04-04 11:38:54 -0700 | [diff] [blame] | 2327 | |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2328 | bool useOffset = !paint->isAntiAlias(); |
| 2329 | return drawVertexBuffer(buffer, paint, useOffset); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 2330 | } |
| 2331 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2332 | status_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { |
| 2333 | if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2334 | |
| 2335 | // TODO: The paint's cap style defines whether the points are square or circular |
| 2336 | // TODO: Handle AA for round points |
| 2337 | |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 2338 | // A stroke width of 0 has a special meaning in Skia: |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2339 | // it draws an unscaled 1px point |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 2340 | float strokeWidth = paint->getStrokeWidth(); |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2341 | const bool isHairLine = paint->getStrokeWidth() == 0.0f; |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 2342 | if (isHairLine) { |
| 2343 | // Now that we know it's hairline, we can set the effective width, to be used later |
| 2344 | strokeWidth = 1.0f; |
| 2345 | } |
| 2346 | const float halfWidth = strokeWidth / 2; |
Romain Guy | d71ff91d | 2013-02-08 13:46:40 -0800 | [diff] [blame] | 2347 | |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2348 | int alpha; |
| 2349 | SkXfermode::Mode mode; |
| 2350 | getAlphaAndMode(paint, &alpha, &mode); |
| 2351 | |
| 2352 | int verticesCount = count >> 1; |
| 2353 | int generatedVerticesCount = 0; |
| 2354 | |
| 2355 | TextureVertex pointsData[verticesCount]; |
| 2356 | TextureVertex* vertex = &pointsData[0]; |
| 2357 | |
Romain Guy | 0429938 | 2012-07-18 17:15:41 -0700 | [diff] [blame] | 2358 | // TODO: We should optimize this method to not generate vertices for points |
| 2359 | // that lie outside of the clip. |
| 2360 | mCaches.enableScissor(); |
| 2361 | |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2362 | setupDraw(); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 2363 | setupDrawNoTexture(); |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 2364 | setupDrawPoint(strokeWidth); |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2365 | setupDrawColor(paint->getColor(), alpha); |
| 2366 | setupDrawColorFilter(); |
| 2367 | setupDrawShader(); |
| 2368 | setupDrawBlending(mode); |
| 2369 | setupDrawProgram(); |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 2370 | setupDrawModelViewIdentity(true); |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2371 | setupDrawColorUniforms(); |
| 2372 | setupDrawColorFilterUniforms(); |
| 2373 | setupDrawPointUniforms(); |
| 2374 | setupDrawShaderIdentityUniforms(); |
| 2375 | setupDrawMesh(vertex); |
| 2376 | |
| 2377 | for (int i = 0; i < count; i += 2) { |
| 2378 | TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); |
| 2379 | generatedVerticesCount++; |
Romain Guy | 7b63142 | 2012-04-04 11:38:54 -0700 | [diff] [blame] | 2380 | |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 2381 | float left = points[i] - halfWidth; |
| 2382 | float right = points[i] + halfWidth; |
| 2383 | float top = points[i + 1] - halfWidth; |
| 2384 | float bottom = points [i + 1] + halfWidth; |
Romain Guy | 7b63142 | 2012-04-04 11:38:54 -0700 | [diff] [blame] | 2385 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2386 | dirtyLayer(left, top, right, bottom, currentTransform()); |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2387 | } |
| 2388 | |
| 2389 | glDrawArrays(GL_POINTS, 0, generatedVerticesCount); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2390 | |
| 2391 | return DrawGlInfo::kStatusDrew; |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 2392 | } |
| 2393 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2394 | status_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { |
Romain Guy | e45362c | 2010-11-03 19:58:32 -0700 | [diff] [blame] | 2395 | // No need to check against the clip, we fill the clip region |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2396 | if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; |
Romain Guy | e45362c | 2010-11-03 19:58:32 -0700 | [diff] [blame] | 2397 | |
Romain Guy | ae88e5e | 2010-10-22 17:49:18 -0700 | [diff] [blame] | 2398 | Rect& clip(*mSnapshot->clipRect); |
| 2399 | clip.snapToPixelBoundaries(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 2400 | |
Romain Guy | 3d58c03 | 2010-07-14 16:34:53 -0700 | [diff] [blame] | 2401 | drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2402 | |
| 2403 | return DrawGlInfo::kStatusDrew; |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 2404 | } |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 2405 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2406 | status_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, |
| 2407 | SkPaint* paint) { |
| 2408 | if (!texture) return DrawGlInfo::kStatusDone; |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 2409 | const AutoTexture autoCleanup(texture); |
| 2410 | |
| 2411 | const float x = left + texture->left - texture->offset; |
| 2412 | const float y = top + texture->top - texture->offset; |
| 2413 | |
| 2414 | drawPathTexture(texture, x, y, paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2415 | |
| 2416 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 2417 | } |
| 2418 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2419 | status_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2420 | float rx, float ry, SkPaint* p) { |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2421 | if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || |
| 2422 | (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2423 | return DrawGlInfo::kStatusDone; |
| 2424 | } |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 2425 | |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2426 | if (p->getPathEffect() != 0) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2427 | mCaches.activeTexture(0); |
Romain Guy | c46d07a | 2013-03-15 19:06:39 -0700 | [diff] [blame] | 2428 | const PathTexture* texture = mCaches.pathCache.getRoundRect( |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2429 | right - left, bottom - top, rx, ry, p); |
| 2430 | return drawShape(left, top, texture, p); |
| 2431 | } |
| 2432 | |
| 2433 | SkPath path; |
| 2434 | SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2435 | if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { |
| 2436 | float outset = p->getStrokeWidth() / 2; |
| 2437 | rect.outset(outset, outset); |
| 2438 | rx += outset; |
| 2439 | ry += outset; |
| 2440 | } |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2441 | path.addRoundRect(rect, rx, ry); |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2442 | return drawConvexPath(path, p); |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 2443 | } |
| 2444 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2445 | status_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2446 | if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2447 | x + radius, y + radius, p) || |
| 2448 | (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2449 | return DrawGlInfo::kStatusDone; |
| 2450 | } |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2451 | if (p->getPathEffect() != 0) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2452 | mCaches.activeTexture(0); |
Romain Guy | c46d07a | 2013-03-15 19:06:39 -0700 | [diff] [blame] | 2453 | const PathTexture* texture = mCaches.pathCache.getCircle(radius, p); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2454 | return drawShape(x - radius, y - radius, texture, p); |
| 2455 | } |
| 2456 | |
| 2457 | SkPath path; |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2458 | if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { |
| 2459 | path.addCircle(x, y, radius + p->getStrokeWidth() / 2); |
| 2460 | } else { |
| 2461 | path.addCircle(x, y, radius); |
| 2462 | } |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2463 | return drawConvexPath(path, p); |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 2464 | } |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 2465 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2466 | status_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2467 | SkPaint* p) { |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2468 | if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || |
| 2469 | (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2470 | return DrawGlInfo::kStatusDone; |
| 2471 | } |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 2472 | |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2473 | if (p->getPathEffect() != 0) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2474 | mCaches.activeTexture(0); |
Romain Guy | c46d07a | 2013-03-15 19:06:39 -0700 | [diff] [blame] | 2475 | const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2476 | return drawShape(left, top, texture, p); |
| 2477 | } |
| 2478 | |
| 2479 | SkPath path; |
| 2480 | SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 2481 | if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { |
| 2482 | rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); |
| 2483 | } |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2484 | path.addOval(rect); |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2485 | return drawConvexPath(path, p); |
Romain Guy | c1cd9ba3 | 2011-01-23 14:18:41 -0800 | [diff] [blame] | 2486 | } |
| 2487 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2488 | status_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, |
Chris Craik | 780c128 | 2012-10-04 14:10:49 -0700 | [diff] [blame] | 2489 | float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2490 | if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || |
| 2491 | (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { |
Chris Craik | 780c128 | 2012-10-04 14:10:49 -0700 | [diff] [blame] | 2492 | return DrawGlInfo::kStatusDone; |
Romain Guy | 8b2f526 | 2011-01-23 16:15:02 -0800 | [diff] [blame] | 2493 | } |
| 2494 | |
Chris Craik | 780c128 | 2012-10-04 14:10:49 -0700 | [diff] [blame] | 2495 | if (fabs(sweepAngle) >= 360.0f) { |
| 2496 | return drawOval(left, top, right, bottom, p); |
| 2497 | } |
| 2498 | |
| 2499 | // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2500 | if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { |
Chris Craik | 780c128 | 2012-10-04 14:10:49 -0700 | [diff] [blame] | 2501 | mCaches.activeTexture(0); |
Romain Guy | c46d07a | 2013-03-15 19:06:39 -0700 | [diff] [blame] | 2502 | const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top, |
Chris Craik | 780c128 | 2012-10-04 14:10:49 -0700 | [diff] [blame] | 2503 | startAngle, sweepAngle, useCenter, p); |
| 2504 | return drawShape(left, top, texture, p); |
| 2505 | } |
| 2506 | |
| 2507 | SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); |
| 2508 | if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { |
| 2509 | rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); |
| 2510 | } |
| 2511 | |
| 2512 | SkPath path; |
| 2513 | if (useCenter) { |
| 2514 | path.moveTo(rect.centerX(), rect.centerY()); |
| 2515 | } |
| 2516 | path.arcTo(rect, startAngle, sweepAngle, !useCenter); |
| 2517 | if (useCenter) { |
| 2518 | path.close(); |
| 2519 | } |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2520 | return drawConvexPath(path, p); |
Romain Guy | 8b2f526 | 2011-01-23 16:15:02 -0800 | [diff] [blame] | 2521 | } |
| 2522 | |
Romain Guy | cf8675e | 2012-10-02 12:32:25 -0700 | [diff] [blame] | 2523 | // See SkPaintDefaults.h |
| 2524 | #define SkPaintDefaults_MiterLimit SkIntToScalar(4) |
| 2525 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2526 | status_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2527 | if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p) || |
| 2528 | (p->getAlpha() == 0 && getXfermode(p->getXfermode()) != SkXfermode::kClear_Mode)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2529 | return DrawGlInfo::kStatusDone; |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 2530 | } |
| 2531 | |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2532 | if (p->getStyle() != SkPaint::kFill_Style) { |
Romain Guy | cf8675e | 2012-10-02 12:32:25 -0700 | [diff] [blame] | 2533 | // only fill style is supported by drawConvexPath, since others have to handle joins |
| 2534 | if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || |
| 2535 | p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { |
| 2536 | mCaches.activeTexture(0); |
| 2537 | const PathTexture* texture = |
Romain Guy | c46d07a | 2013-03-15 19:06:39 -0700 | [diff] [blame] | 2538 | mCaches.pathCache.getRect(right - left, bottom - top, p); |
Romain Guy | cf8675e | 2012-10-02 12:32:25 -0700 | [diff] [blame] | 2539 | return drawShape(left, top, texture, p); |
| 2540 | } |
| 2541 | |
| 2542 | SkPath path; |
| 2543 | SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); |
| 2544 | if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { |
| 2545 | rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); |
| 2546 | } |
| 2547 | path.addRect(rect); |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2548 | return drawConvexPath(path, p); |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 2549 | } |
| 2550 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2551 | if (p->isAntiAlias() && !currentTransform().isSimple()) { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2552 | SkPath path; |
| 2553 | path.addRect(left, top, right, bottom); |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2554 | return drawConvexPath(path, p); |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 2555 | } else { |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 2556 | drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 2557 | return DrawGlInfo::kStatusDrew; |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 2558 | } |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 2559 | } |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 2560 | |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 2561 | void OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, |
| 2562 | const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, |
| 2563 | float x, float y) { |
| 2564 | mCaches.activeTexture(0); |
| 2565 | |
| 2566 | // NOTE: The drop shadow will not perform gamma correction |
| 2567 | // if shader-based correction is enabled |
| 2568 | mCaches.dropShadowCache.setFontRenderer(fontRenderer); |
| 2569 | const ShadowTexture* shadow = mCaches.dropShadowCache.get( |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2570 | paint, text, bytesCount, count, mDrawModifiers.mShadowRadius, positions); |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 2571 | const AutoTexture autoCleanup(shadow); |
| 2572 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2573 | const float sx = x - shadow->left + mDrawModifiers.mShadowDx; |
| 2574 | const float sy = y - shadow->top + mDrawModifiers.mShadowDy; |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 2575 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2576 | const int shadowAlpha = ((mDrawModifiers.mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; |
| 2577 | int shadowColor = mDrawModifiers.mShadowColor; |
| 2578 | if (mDrawModifiers.mShader) { |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 2579 | shadowColor = 0xffffffff; |
| 2580 | } |
| 2581 | |
| 2582 | setupDraw(); |
| 2583 | setupDrawWithTexture(true); |
| 2584 | setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); |
| 2585 | setupDrawColorFilter(); |
| 2586 | setupDrawShader(); |
| 2587 | setupDrawBlending(true, mode); |
| 2588 | setupDrawProgram(); |
| 2589 | setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); |
| 2590 | setupDrawTexture(shadow->id); |
| 2591 | setupDrawPureColorUniforms(); |
| 2592 | setupDrawColorFilterUniforms(); |
| 2593 | setupDrawShaderUniforms(); |
| 2594 | setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); |
| 2595 | |
| 2596 | glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); |
| 2597 | } |
| 2598 | |
Romain Guy | 768bffc | 2013-02-27 13:50:45 -0800 | [diff] [blame] | 2599 | bool OpenGLRenderer::canSkipText(const SkPaint* paint) const { |
| 2600 | float alpha = (mDrawModifiers.mHasShadow ? 1.0f : paint->getAlpha()) * mSnapshot->alpha; |
| 2601 | return alpha == 0.0f && getXfermode(paint->getXfermode()) == SkXfermode::kSrcOver_Mode; |
| 2602 | } |
| 2603 | |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2604 | class TextSetupFunctor: public Functor { |
| 2605 | public: |
| 2606 | TextSetupFunctor(OpenGLRenderer& renderer, float x, float y, bool pureTranslate, |
| 2607 | int alpha, SkXfermode::Mode mode, SkPaint* paint): Functor(), |
| 2608 | renderer(renderer), x(x), y(y), pureTranslate(pureTranslate), |
| 2609 | alpha(alpha), mode(mode), paint(paint) { |
| 2610 | } |
| 2611 | ~TextSetupFunctor() { } |
| 2612 | |
| 2613 | status_t operator ()(int what, void* data) { |
| 2614 | renderer.setupDraw(); |
| 2615 | renderer.setupDrawTextGamma(paint); |
| 2616 | renderer.setupDrawDirtyRegionsDisabled(); |
| 2617 | renderer.setupDrawWithTexture(true); |
| 2618 | renderer.setupDrawAlpha8Color(paint->getColor(), alpha); |
| 2619 | renderer.setupDrawColorFilter(); |
| 2620 | renderer.setupDrawShader(); |
| 2621 | renderer.setupDrawBlending(true, mode); |
| 2622 | renderer.setupDrawProgram(); |
| 2623 | renderer.setupDrawModelView(x, y, x, y, pureTranslate, true); |
| 2624 | // Calling setupDrawTexture with the name 0 will enable the |
| 2625 | // uv attributes and increase the texture unit count |
| 2626 | // texture binding will be performed by the font renderer as |
| 2627 | // needed |
| 2628 | renderer.setupDrawTexture(0); |
| 2629 | renderer.setupDrawPureColorUniforms(); |
| 2630 | renderer.setupDrawColorFilterUniforms(); |
| 2631 | renderer.setupDrawShaderUniforms(pureTranslate); |
| 2632 | renderer.setupDrawTextGammaUniforms(); |
| 2633 | |
| 2634 | return NO_ERROR; |
| 2635 | } |
| 2636 | |
| 2637 | OpenGLRenderer& renderer; |
| 2638 | float x; |
| 2639 | float y; |
| 2640 | bool pureTranslate; |
| 2641 | int alpha; |
| 2642 | SkXfermode::Mode mode; |
| 2643 | SkPaint* paint; |
| 2644 | }; |
| 2645 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2646 | status_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, |
Romain Guy | eb9a536 | 2012-01-17 17:39:26 -0800 | [diff] [blame] | 2647 | const float* positions, SkPaint* paint) { |
Romain Guy | 768bffc | 2013-02-27 13:50:45 -0800 | [diff] [blame] | 2648 | if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2649 | return DrawGlInfo::kStatusDone; |
Romain Guy | eb9a536 | 2012-01-17 17:39:26 -0800 | [diff] [blame] | 2650 | } |
Romain Guy | eb9a536 | 2012-01-17 17:39:26 -0800 | [diff] [blame] | 2651 | |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2652 | // NOTE: Skia does not support perspective transform on drawPosText yet |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2653 | if (!currentTransform().isSimple()) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2654 | return DrawGlInfo::kStatusDone; |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2655 | } |
| 2656 | |
| 2657 | float x = 0.0f; |
| 2658 | float y = 0.0f; |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2659 | const bool pureTranslate = currentTransform().isPureTranslate(); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2660 | if (pureTranslate) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2661 | x = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); |
| 2662 | y = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2663 | } |
| 2664 | |
Romain Guy | b1d0a4e | 2012-07-13 18:25:35 -0700 | [diff] [blame] | 2665 | FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 2666 | fontRenderer.setFont(paint, mat4::identity()); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2667 | |
| 2668 | int alpha; |
| 2669 | SkXfermode::Mode mode; |
| 2670 | getAlphaAndMode(paint, &alpha, &mode); |
| 2671 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2672 | if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { |
Romain Guy | e3a9b24 | 2013-01-08 11:15:30 -0800 | [diff] [blame] | 2673 | drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, |
| 2674 | alpha, mode, 0.0f, 0.0f); |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 2675 | } |
| 2676 | |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2677 | // Pick the appropriate texture filtering |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2678 | bool linearFilter = currentTransform().changesBounds(); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2679 | if (pureTranslate && !linearFilter) { |
| 2680 | linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; |
| 2681 | } |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2682 | fontRenderer.setTextureFiltering(linearFilter); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2683 | |
| 2684 | const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); |
| 2685 | Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); |
| 2686 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 2687 | const bool hasActiveLayer = hasLayer(); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2688 | |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2689 | TextSetupFunctor functor(*this, x, y, pureTranslate, alpha, mode, paint); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2690 | if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2691 | positions, hasActiveLayer ? &bounds : NULL, &functor)) { |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2692 | if (hasActiveLayer) { |
| 2693 | if (!pureTranslate) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2694 | currentTransform().mapRect(bounds); |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2695 | } |
| 2696 | dirtyLayerUnchecked(bounds, getRegion()); |
| 2697 | } |
Romain Guy | 671d6cf | 2012-01-18 12:39:17 -0800 | [diff] [blame] | 2698 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2699 | |
| 2700 | return DrawGlInfo::kStatusDrew; |
Romain Guy | eb9a536 | 2012-01-17 17:39:26 -0800 | [diff] [blame] | 2701 | } |
| 2702 | |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2703 | mat4 OpenGLRenderer::findBestFontTransform(const mat4& transform) const { |
| 2704 | mat4 fontTransform; |
| 2705 | if (CC_LIKELY(transform.isPureTranslate())) { |
| 2706 | fontTransform = mat4::identity(); |
| 2707 | } else { |
| 2708 | if (CC_UNLIKELY(transform.isPerspective())) { |
Romain Guy | b09f147 | 2013-03-07 17:01:05 -0800 | [diff] [blame] | 2709 | fontTransform = mat4::identity(); |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2710 | } else { |
| 2711 | float sx, sy; |
| 2712 | currentTransform().decomposeScale(sx, sy); |
| 2713 | fontTransform.loadScale(sx, sy, 1.0f); |
| 2714 | } |
| 2715 | } |
| 2716 | return fontTransform; |
| 2717 | } |
| 2718 | |
Romain Guy | c252595 | 2012-07-27 16:41:22 -0700 | [diff] [blame] | 2719 | status_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, |
Raph Levien | 996e57c | 2012-07-23 15:22:52 -0700 | [diff] [blame] | 2720 | float x, float y, const float* positions, SkPaint* paint, float length) { |
Romain Guy | 768bffc | 2013-02-27 13:50:45 -0800 | [diff] [blame] | 2721 | if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2722 | return DrawGlInfo::kStatusDone; |
Romain Guy | e8e62a4 | 2010-07-23 18:55:21 -0700 | [diff] [blame] | 2723 | } |
| 2724 | |
Chet Haase | a1cff50 | 2012-02-21 13:43:44 -0800 | [diff] [blame] | 2725 | if (length < 0.0f) length = paint->measureText(text, bytesCount); |
Romain Guy | e8e62a4 | 2010-07-23 18:55:21 -0700 | [diff] [blame] | 2726 | switch (paint->getTextAlign()) { |
| 2727 | case SkPaint::kCenter_Align: |
Romain Guy | e8e62a4 | 2010-07-23 18:55:21 -0700 | [diff] [blame] | 2728 | x -= length / 2.0f; |
| 2729 | break; |
| 2730 | case SkPaint::kRight_Align: |
Romain Guy | e8e62a4 | 2010-07-23 18:55:21 -0700 | [diff] [blame] | 2731 | x -= length; |
| 2732 | break; |
| 2733 | default: |
| 2734 | break; |
| 2735 | } |
| 2736 | |
Romain Guy | cac5fd3 | 2011-12-01 20:08:50 -0800 | [diff] [blame] | 2737 | SkPaint::FontMetrics metrics; |
| 2738 | paint->getFontMetrics(&metrics, 0.0f); |
Romain Guy | 33f6beb | 2012-02-16 19:24:51 -0800 | [diff] [blame] | 2739 | if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2740 | return DrawGlInfo::kStatusDone; |
Romain Guy | cac5fd3 | 2011-12-01 20:08:50 -0800 | [diff] [blame] | 2741 | } |
| 2742 | |
Romain Guy | 3a3fa1b | 2010-12-06 18:47:50 -0800 | [diff] [blame] | 2743 | const float oldX = x; |
| 2744 | const float oldY = y; |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2745 | |
| 2746 | const mat4& transform = currentTransform(); |
| 2747 | const bool pureTranslate = transform.isPureTranslate(); |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 2748 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 2749 | if (CC_LIKELY(pureTranslate)) { |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2750 | x = (int) floorf(x + transform.getTranslateX() + 0.5f); |
| 2751 | y = (int) floorf(y + transform.getTranslateY() + 0.5f); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2752 | } |
| 2753 | |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 2754 | int alpha; |
| 2755 | SkXfermode::Mode mode; |
| 2756 | getAlphaAndMode(paint, &alpha, &mode); |
Romain Guy | 9d13fe25 | 2010-10-15 16:06:03 -0700 | [diff] [blame] | 2757 | |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 2758 | FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); |
| 2759 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2760 | if (CC_UNLIKELY(mDrawModifiers.mHasShadow)) { |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 2761 | fontRenderer.setFont(paint, mat4::identity()); |
| 2762 | drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, |
| 2763 | alpha, mode, oldX, oldY); |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 2764 | } |
| 2765 | |
Romain Guy | 19d4dd8 | 2013-03-04 11:14:26 -0800 | [diff] [blame] | 2766 | const bool hasActiveLayer = hasLayer(); |
| 2767 | |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2768 | // We only pass a partial transform to the font renderer. That partial |
| 2769 | // matrix defines how glyphs are rasterized. Typically we want glyphs |
| 2770 | // to be rasterized at their final size on screen, which means the partial |
| 2771 | // matrix needs to take the scale factor into account. |
| 2772 | // When a partial matrix is used to transform glyphs during rasterization, |
| 2773 | // the mesh is generated with the inverse transform (in the case of scale, |
| 2774 | // the mesh is generated at 1.0 / scale for instance.) This allows us to |
| 2775 | // apply the full transform matrix at draw time in the vertex shader. |
| 2776 | // Applying the full matrix in the shader is the easiest way to handle |
| 2777 | // rotation and perspective and allows us to always generated quads in the |
| 2778 | // font renderer which greatly simplifies the code, clipping in particular. |
| 2779 | mat4 fontTransform = findBestFontTransform(transform); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2780 | fontRenderer.setFont(paint, fontTransform); |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 2781 | |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 2782 | // Pick the appropriate texture filtering |
Romain Guy | a4adcf0 | 2013-02-28 12:15:35 -0800 | [diff] [blame] | 2783 | bool linearFilter = !pureTranslate || fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2784 | fontRenderer.setTextureFiltering(linearFilter); |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 2785 | |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2786 | // TODO: Implement better clipping for scaled/rotated text |
| 2787 | const Rect* clip = !pureTranslate ? NULL : mSnapshot->clipRect; |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 2788 | Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); |
| 2789 | |
Raph Levien | 996e57c | 2012-07-23 15:22:52 -0700 | [diff] [blame] | 2790 | bool status; |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2791 | TextSetupFunctor functor(*this, x, y, pureTranslate, alpha, mode, paint); |
Romain Guy | a3dc55f | 2012-09-28 13:55:44 -0700 | [diff] [blame] | 2792 | if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { |
Raph Levien | 8b4072d | 2012-07-30 15:50:00 -0700 | [diff] [blame] | 2793 | SkPaint paintCopy(*paint); |
| 2794 | paintCopy.setTextAlign(SkPaint::kLeft_Align); |
| 2795 | status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2796 | positions, hasActiveLayer ? &bounds : NULL, &functor); |
Raph Levien | 996e57c | 2012-07-23 15:22:52 -0700 | [diff] [blame] | 2797 | } else { |
Raph Levien | 8b4072d | 2012-07-30 15:50:00 -0700 | [diff] [blame] | 2798 | status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2799 | positions, hasActiveLayer ? &bounds : NULL, &functor); |
Raph Levien | 996e57c | 2012-07-23 15:22:52 -0700 | [diff] [blame] | 2800 | } |
Romain Guy | 4ff0cf4 | 2012-08-06 14:51:10 -0700 | [diff] [blame] | 2801 | |
| 2802 | if (status && hasActiveLayer) { |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 2803 | if (!pureTranslate) { |
| 2804 | transform.mapRect(bounds); |
Romain Guy | a4adcf0 | 2013-02-28 12:15:35 -0800 | [diff] [blame] | 2805 | } |
Romain Guy | 4ff0cf4 | 2012-08-06 14:51:10 -0700 | [diff] [blame] | 2806 | dirtyLayerUnchecked(bounds, getRegion()); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 2807 | } |
Romain Guy | 694b519 | 2010-07-21 21:33:20 -0700 | [diff] [blame] | 2808 | |
Romain Guy | 3a3fa1b | 2010-12-06 18:47:50 -0800 | [diff] [blame] | 2809 | drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2810 | |
| 2811 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 694b519 | 2010-07-21 21:33:20 -0700 | [diff] [blame] | 2812 | } |
| 2813 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2814 | status_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, |
Romain Guy | 325740f | 2012-02-24 16:48:34 -0800 | [diff] [blame] | 2815 | float hOffset, float vOffset, SkPaint* paint) { |
Romain Guy | 768bffc | 2013-02-27 13:50:45 -0800 | [diff] [blame] | 2816 | if (text == NULL || count == 0 || mSnapshot->isIgnored() || canSkipText(paint)) { |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2817 | return DrawGlInfo::kStatusDone; |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2818 | } |
| 2819 | |
Romain Guy | b1d0a4e | 2012-07-13 18:25:35 -0700 | [diff] [blame] | 2820 | FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); |
Romain Guy | c74f45a | 2013-02-26 19:10:14 -0800 | [diff] [blame] | 2821 | fontRenderer.setFont(paint, mat4::identity()); |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2822 | fontRenderer.setTextureFiltering(true); |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2823 | |
| 2824 | int alpha; |
| 2825 | SkXfermode::Mode mode; |
| 2826 | getAlphaAndMode(paint, &alpha, &mode); |
| 2827 | |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2828 | setupDraw(); |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 2829 | setupDrawTextGamma(paint); |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2830 | setupDrawDirtyRegionsDisabled(); |
| 2831 | setupDrawWithTexture(true); |
| 2832 | setupDrawAlpha8Color(paint->getColor(), alpha); |
| 2833 | setupDrawColorFilter(); |
| 2834 | setupDrawShader(); |
| 2835 | setupDrawBlending(true, mode); |
| 2836 | setupDrawProgram(); |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2837 | setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 2838 | // Calling setupDrawTexture with the name 0 will enable the |
| 2839 | // uv attributes and increase the texture unit count |
| 2840 | // texture binding will be performed by the font renderer as |
| 2841 | // needed |
| 2842 | setupDrawTexture(0); |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2843 | setupDrawPureColorUniforms(); |
| 2844 | setupDrawColorFilterUniforms(); |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2845 | setupDrawShaderUniforms(false); |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 2846 | setupDrawTextGammaUniforms(); |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2847 | |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2848 | const Rect* clip = &mSnapshot->getLocalClip(); |
| 2849 | Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); |
Romain Guy | 03d5852 | 2012-02-24 17:54:07 -0800 | [diff] [blame] | 2850 | |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2851 | const bool hasActiveLayer = hasLayer(); |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2852 | |
| 2853 | if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, |
| 2854 | hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2855 | if (hasActiveLayer) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2856 | currentTransform().mapRect(bounds); |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2857 | dirtyLayerUnchecked(bounds, getRegion()); |
| 2858 | } |
Romain Guy | 9777173 | 2012-02-28 18:17:02 -0800 | [diff] [blame] | 2859 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2860 | |
| 2861 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 325740f | 2012-02-24 16:48:34 -0800 | [diff] [blame] | 2862 | } |
| 2863 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2864 | status_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { |
| 2865 | if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; |
Romain Guy | dbc26d2 | 2010-10-11 17:58:29 -0700 | [diff] [blame] | 2866 | |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 2867 | mCaches.activeTexture(0); |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 2868 | |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 2869 | const PathTexture* texture = mCaches.pathCache.get(path, paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2870 | if (!texture) return DrawGlInfo::kStatusDone; |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 2871 | const AutoTexture autoCleanup(texture); |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 2872 | |
Romain Guy | 8b55f37 | 2010-08-18 17:10:07 -0700 | [diff] [blame] | 2873 | const float x = texture->left - texture->offset; |
| 2874 | const float y = texture->top - texture->offset; |
| 2875 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 2876 | drawPathTexture(texture, x, y, paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2877 | |
| 2878 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 7fbcc04 | 2010-08-04 15:40:07 -0700 | [diff] [blame] | 2879 | } |
| 2880 | |
Chris Craik | a08f95c | 2013-03-15 17:24:33 -0700 | [diff] [blame] | 2881 | status_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y) { |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 2882 | if (!layer) { |
| 2883 | return DrawGlInfo::kStatusDone; |
| 2884 | } |
| 2885 | |
Romain Guy | b2e2f24 | 2012-10-17 18:18:35 -0700 | [diff] [blame] | 2886 | mat4* transform = NULL; |
| 2887 | if (layer->isTextureLayer()) { |
| 2888 | transform = &layer->getTransform(); |
| 2889 | if (!transform->isIdentity()) { |
| 2890 | save(0); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2891 | currentTransform().multiply(*transform); |
Romain Guy | b2e2f24 | 2012-10-17 18:18:35 -0700 | [diff] [blame] | 2892 | } |
| 2893 | } |
| 2894 | |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 2895 | Rect transformed; |
| 2896 | Rect clip; |
| 2897 | const bool rejected = quickRejectNoScissor(x, y, |
| 2898 | x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); |
| 2899 | |
| 2900 | if (rejected) { |
Romain Guy | b2e2f24 | 2012-10-17 18:18:35 -0700 | [diff] [blame] | 2901 | if (transform && !transform->isIdentity()) { |
| 2902 | restore(); |
| 2903 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2904 | return DrawGlInfo::kStatusDone; |
Romain Guy | 6c319ca | 2011-01-11 14:29:25 -0800 | [diff] [blame] | 2905 | } |
| 2906 | |
Romain Guy | 5bb3c73 | 2012-11-29 17:52:58 -0800 | [diff] [blame] | 2907 | updateLayer(layer, true); |
Romain Guy | 2bf68f0 | 2012-03-02 13:37:47 -0800 | [diff] [blame] | 2908 | |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 2909 | mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); |
Romain Guy | a1d3c91 | 2011-12-13 14:55:06 -0800 | [diff] [blame] | 2910 | mCaches.activeTexture(0); |
Romain Guy | 6c319ca | 2011-01-11 14:29:25 -0800 | [diff] [blame] | 2911 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 2912 | if (CC_LIKELY(!layer->region.isEmpty())) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2913 | SkiaColorFilter* oldFilter = mDrawModifiers.mColorFilter; |
| 2914 | mDrawModifiers.mColorFilter = layer->getColorFilter(); |
Romain Guy | e529ece | 2012-09-26 11:23:17 -0700 | [diff] [blame] | 2915 | |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2916 | if (layer->region.isRect()) { |
Romain Guy | 4066767 | 2011-03-18 14:34:03 -0700 | [diff] [blame] | 2917 | composeLayerRect(layer, layer->regionRect); |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2918 | } else if (layer->mesh) { |
Chris Craik | a08f95c | 2013-03-15 17:24:33 -0700 | [diff] [blame] | 2919 | const float a = layer->getAlpha() / 255.0f * mSnapshot->alpha; |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2920 | setupDraw(); |
| 2921 | setupDrawWithTexture(); |
Romain Guy | 8168396 | 2011-01-24 20:40:18 -0800 | [diff] [blame] | 2922 | setupDrawColor(a, a, a, a); |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2923 | setupDrawColorFilter(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 2924 | setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2925 | setupDrawProgram(); |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2926 | setupDrawPureColorUniforms(); |
| 2927 | setupDrawColorFilterUniforms(); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 2928 | setupDrawTexture(layer->getTexture()); |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 2929 | if (CC_LIKELY(currentTransform().isPureTranslate())) { |
| 2930 | int tx = (int) floorf(x + currentTransform().getTranslateX() + 0.5f); |
| 2931 | int ty = (int) floorf(y + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 2932 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 2933 | layer->setFilter(GL_NEAREST); |
Romain Guy | 4ff0cf4 | 2012-08-06 14:51:10 -0700 | [diff] [blame] | 2934 | setupDrawModelViewTranslate(tx, ty, |
| 2935 | tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 2936 | } else { |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 2937 | layer->setFilter(GL_LINEAR); |
Romain Guy | 9ace8f5 | 2011-07-07 20:50:11 -0700 | [diff] [blame] | 2938 | setupDrawModelViewTranslate(x, y, |
| 2939 | x + layer->layer.getWidth(), y + layer->layer.getHeight()); |
| 2940 | } |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2941 | setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 2942 | |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2943 | glDrawElements(GL_TRIANGLES, layer->meshElementCount, |
| 2944 | GL_UNSIGNED_SHORT, layer->meshIndices); |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 2945 | |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2946 | finishDrawTexture(); |
Romain Guy | 3a3133d | 2011-02-01 22:59:58 -0800 | [diff] [blame] | 2947 | |
| 2948 | #if DEBUG_LAYERS_AS_REGIONS |
| 2949 | drawRegionRects(layer->region); |
| 2950 | #endif |
Romain Guy | c88e357 | 2011-01-22 00:32:12 -0800 | [diff] [blame] | 2951 | } |
Romain Guy | 4ff0cf4 | 2012-08-06 14:51:10 -0700 | [diff] [blame] | 2952 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2953 | mDrawModifiers.mColorFilter = oldFilter; |
Romain Guy | e529ece | 2012-09-26 11:23:17 -0700 | [diff] [blame] | 2954 | |
Romain Guy | 5bb3c73 | 2012-11-29 17:52:58 -0800 | [diff] [blame] | 2955 | if (layer->debugDrawUpdate) { |
| 2956 | layer->debugDrawUpdate = false; |
Romain Guy | 4ff0cf4 | 2012-08-06 14:51:10 -0700 | [diff] [blame] | 2957 | drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), |
| 2958 | 0x7f00ff00, SkXfermode::kSrcOver_Mode); |
| 2959 | } |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 2960 | } |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2961 | |
Romain Guy | b2e2f24 | 2012-10-17 18:18:35 -0700 | [diff] [blame] | 2962 | if (transform && !transform->isIdentity()) { |
| 2963 | restore(); |
| 2964 | } |
| 2965 | |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 2966 | return DrawGlInfo::kStatusDrew; |
Romain Guy | 6c319ca | 2011-01-11 14:29:25 -0800 | [diff] [blame] | 2967 | } |
| 2968 | |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 2969 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 2970 | // Shaders |
| 2971 | /////////////////////////////////////////////////////////////////////////////// |
| 2972 | |
| 2973 | void OpenGLRenderer::resetShader() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2974 | mDrawModifiers.mShader = NULL; |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 2975 | } |
| 2976 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 2977 | void OpenGLRenderer::setupShader(SkiaShader* shader) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2978 | mDrawModifiers.mShader = shader; |
| 2979 | if (mDrawModifiers.mShader) { |
| 2980 | mDrawModifiers.mShader->set(&mCaches.textureCache, &mCaches.gradientCache); |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 2981 | } |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 2982 | } |
| 2983 | |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 2984 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 2985 | // Color filters |
| 2986 | /////////////////////////////////////////////////////////////////////////////// |
| 2987 | |
| 2988 | void OpenGLRenderer::resetColorFilter() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2989 | mDrawModifiers.mColorFilter = NULL; |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 2990 | } |
| 2991 | |
| 2992 | void OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 2993 | mDrawModifiers.mColorFilter = filter; |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 2994 | } |
| 2995 | |
| 2996 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 2997 | // Drop shadow |
| 2998 | /////////////////////////////////////////////////////////////////////////////// |
| 2999 | |
| 3000 | void OpenGLRenderer::resetShadow() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3001 | mDrawModifiers.mHasShadow = false; |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 3002 | } |
| 3003 | |
| 3004 | void OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3005 | mDrawModifiers.mHasShadow = true; |
| 3006 | mDrawModifiers.mShadowRadius = radius; |
| 3007 | mDrawModifiers.mShadowDx = dx; |
| 3008 | mDrawModifiers.mShadowDy = dy; |
| 3009 | mDrawModifiers.mShadowColor = color; |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 3010 | } |
| 3011 | |
| 3012 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 3013 | // Draw filters |
| 3014 | /////////////////////////////////////////////////////////////////////////////// |
| 3015 | |
| 3016 | void OpenGLRenderer::resetPaintFilter() { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3017 | mDrawModifiers.mHasDrawFilter = false; |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 3018 | } |
| 3019 | |
| 3020 | void OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3021 | mDrawModifiers.mHasDrawFilter = true; |
| 3022 | mDrawModifiers.mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; |
| 3023 | mDrawModifiers.mPaintFilterSetBits = setBits & SkPaint::kAllFlags; |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 3024 | } |
| 3025 | |
Chris Craik | a08f95c | 2013-03-15 17:24:33 -0700 | [diff] [blame] | 3026 | SkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { |
Romain Guy | 758724f | 2013-02-27 11:53:12 -0800 | [diff] [blame] | 3027 | if (CC_LIKELY(!mDrawModifiers.mHasDrawFilter || !paint)) { |
Romain Guy | 758724f | 2013-02-27 11:53:12 -0800 | [diff] [blame] | 3028 | return paint; |
| 3029 | } |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 3030 | |
| 3031 | uint32_t flags = paint->getFlags(); |
| 3032 | |
| 3033 | mFilteredPaint = *paint; |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3034 | mFilteredPaint.setFlags((flags & ~mDrawModifiers.mPaintFilterClearBits) | |
| 3035 | mDrawModifiers.mPaintFilterSetBits); |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 3036 | |
| 3037 | return &mFilteredPaint; |
| 3038 | } |
| 3039 | |
| 3040 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 3041 | // Drawing implementation |
| 3042 | /////////////////////////////////////////////////////////////////////////////// |
| 3043 | |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 3044 | void OpenGLRenderer::drawPathTexture(const PathTexture* texture, |
| 3045 | float x, float y, SkPaint* paint) { |
| 3046 | if (quickReject(x, y, x + texture->width, y + texture->height)) { |
| 3047 | return; |
| 3048 | } |
| 3049 | |
| 3050 | int alpha; |
| 3051 | SkXfermode::Mode mode; |
| 3052 | getAlphaAndMode(paint, &alpha, &mode); |
| 3053 | |
| 3054 | setupDraw(); |
| 3055 | setupDrawWithTexture(true); |
| 3056 | setupDrawAlpha8Color(paint->getColor(), alpha); |
| 3057 | setupDrawColorFilter(); |
| 3058 | setupDrawShader(); |
| 3059 | setupDrawBlending(true, mode); |
| 3060 | setupDrawProgram(); |
| 3061 | setupDrawModelView(x, y, x + texture->width, y + texture->height); |
| 3062 | setupDrawTexture(texture->id); |
| 3063 | setupDrawPureColorUniforms(); |
| 3064 | setupDrawColorFilterUniforms(); |
| 3065 | setupDrawShaderUniforms(); |
| 3066 | setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); |
| 3067 | |
| 3068 | glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); |
| 3069 | |
| 3070 | finishDrawTexture(); |
| 3071 | } |
| 3072 | |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 3073 | // Same values used by Skia |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3074 | #define kStdStrikeThru_Offset (-6.0f / 21.0f) |
| 3075 | #define kStdUnderline_Offset (1.0f / 9.0f) |
| 3076 | #define kStdUnderline_Thickness (1.0f / 18.0f) |
| 3077 | |
| 3078 | void OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, |
| 3079 | float x, float y, SkPaint* paint) { |
| 3080 | // Handle underline and strike-through |
| 3081 | uint32_t flags = paint->getFlags(); |
| 3082 | if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { |
Romain Guy | 726aeba | 2011-06-01 14:52:00 -0700 | [diff] [blame] | 3083 | SkPaint paintCopy(*paint); |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3084 | float underlineWidth = length; |
| 3085 | // If length is > 0.0f, we already measured the text for the text alignment |
| 3086 | if (length <= 0.0f) { |
Romain Guy | 726aeba | 2011-06-01 14:52:00 -0700 | [diff] [blame] | 3087 | underlineWidth = paintCopy.measureText(text, bytesCount); |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3088 | } |
| 3089 | |
Romain Guy | 211370f | 2012-02-01 16:10:55 -0800 | [diff] [blame] | 3090 | if (CC_LIKELY(underlineWidth > 0.0f)) { |
Romain Guy | 726aeba | 2011-06-01 14:52:00 -0700 | [diff] [blame] | 3091 | const float textSize = paintCopy.getTextSize(); |
Romain Guy | f683447 | 2011-01-23 13:32:12 -0800 | [diff] [blame] | 3092 | const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3093 | |
Raph Levien | 8b4072d | 2012-07-30 15:50:00 -0700 | [diff] [blame] | 3094 | const float left = x; |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3095 | float top = 0.0f; |
Romain Guy | e20ecbd | 2010-09-22 19:49:04 -0700 | [diff] [blame] | 3096 | |
Romain Guy | f683447 | 2011-01-23 13:32:12 -0800 | [diff] [blame] | 3097 | int linesCount = 0; |
| 3098 | if (flags & SkPaint::kUnderlineText_Flag) linesCount++; |
| 3099 | if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; |
| 3100 | |
| 3101 | const int pointsCount = 4 * linesCount; |
Romain Guy | e20ecbd | 2010-09-22 19:49:04 -0700 | [diff] [blame] | 3102 | float points[pointsCount]; |
| 3103 | int currentPoint = 0; |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3104 | |
| 3105 | if (flags & SkPaint::kUnderlineText_Flag) { |
| 3106 | top = y + textSize * kStdUnderline_Offset; |
Romain Guy | e20ecbd | 2010-09-22 19:49:04 -0700 | [diff] [blame] | 3107 | points[currentPoint++] = left; |
| 3108 | points[currentPoint++] = top; |
| 3109 | points[currentPoint++] = left + underlineWidth; |
| 3110 | points[currentPoint++] = top; |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3111 | } |
| 3112 | |
| 3113 | if (flags & SkPaint::kStrikeThruText_Flag) { |
| 3114 | top = y + textSize * kStdStrikeThru_Offset; |
Romain Guy | e20ecbd | 2010-09-22 19:49:04 -0700 | [diff] [blame] | 3115 | points[currentPoint++] = left; |
| 3116 | points[currentPoint++] = top; |
| 3117 | points[currentPoint++] = left + underlineWidth; |
| 3118 | points[currentPoint++] = top; |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3119 | } |
Romain Guy | e20ecbd | 2010-09-22 19:49:04 -0700 | [diff] [blame] | 3120 | |
Romain Guy | 726aeba | 2011-06-01 14:52:00 -0700 | [diff] [blame] | 3121 | paintCopy.setStrokeWidth(strokeWidth); |
Romain Guy | e20ecbd | 2010-09-22 19:49:04 -0700 | [diff] [blame] | 3122 | |
Romain Guy | 726aeba | 2011-06-01 14:52:00 -0700 | [diff] [blame] | 3123 | drawLines(&points[0], pointsCount, &paintCopy); |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 3124 | } |
| 3125 | } |
| 3126 | } |
| 3127 | |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3128 | status_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { |
| 3129 | if (mSnapshot->isIgnored()) { |
| 3130 | return DrawGlInfo::kStatusDone; |
| 3131 | } |
| 3132 | |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 3133 | int color = paint->getColor(); |
| 3134 | // If a shader is set, preserve only the alpha |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3135 | if (mDrawModifiers.mShader) { |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 3136 | color |= 0x00ffffff; |
| 3137 | } |
| 3138 | SkXfermode::Mode mode = getXfermode(paint->getXfermode()); |
| 3139 | |
| 3140 | return drawColorRects(rects, count, color, mode); |
| 3141 | } |
| 3142 | |
| 3143 | status_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 3144 | SkXfermode::Mode mode, bool ignoreTransform, bool dirty, bool clip) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3145 | if (count == 0) { |
| 3146 | return DrawGlInfo::kStatusDone; |
| 3147 | } |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 3148 | |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3149 | float left = FLT_MAX; |
| 3150 | float top = FLT_MAX; |
| 3151 | float right = FLT_MIN; |
| 3152 | float bottom = FLT_MIN; |
| 3153 | |
| 3154 | int vertexCount = 0; |
| 3155 | Vertex mesh[count * 6]; |
| 3156 | Vertex* vertex = mesh; |
| 3157 | |
Chris Craik | 2af4635 | 2012-11-26 18:30:17 -0800 | [diff] [blame] | 3158 | for (int index = 0; index < count; index += 4) { |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3159 | float l = rects[index + 0]; |
| 3160 | float t = rects[index + 1]; |
| 3161 | float r = rects[index + 2]; |
| 3162 | float b = rects[index + 3]; |
| 3163 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3164 | Vertex::set(vertex++, l, b); |
| 3165 | Vertex::set(vertex++, l, t); |
| 3166 | Vertex::set(vertex++, r, t); |
| 3167 | Vertex::set(vertex++, l, b); |
| 3168 | Vertex::set(vertex++, r, t); |
| 3169 | Vertex::set(vertex++, r, b); |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3170 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3171 | vertexCount += 6; |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3172 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3173 | left = fminf(left, l); |
| 3174 | top = fminf(top, t); |
| 3175 | right = fmaxf(right, r); |
| 3176 | bottom = fmaxf(bottom, b); |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3177 | } |
| 3178 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3179 | if (clip && quickReject(left, top, right, bottom)) { |
Romain Guy | a362c69 | 2013-02-04 13:50:16 -0800 | [diff] [blame] | 3180 | return DrawGlInfo::kStatusDone; |
| 3181 | } |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3182 | |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3183 | setupDraw(); |
| 3184 | setupDrawNoTexture(); |
| 3185 | setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); |
| 3186 | setupDrawShader(); |
| 3187 | setupDrawColorFilter(); |
| 3188 | setupDrawBlending(mode); |
| 3189 | setupDrawProgram(); |
| 3190 | setupDrawDirtyRegionsDisabled(); |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 3191 | setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3192 | setupDrawColorUniforms(); |
| 3193 | setupDrawShaderUniforms(); |
| 3194 | setupDrawColorFilterUniforms(); |
| 3195 | setupDrawVertices((GLvoid*) &mesh[0].position[0]); |
| 3196 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 3197 | if (dirty && hasLayer()) { |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3198 | dirtyLayer(left, top, right, bottom, currentTransform()); |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 3199 | } |
| 3200 | |
| 3201 | glDrawArrays(GL_TRIANGLES, 0, vertexCount); |
| 3202 | |
| 3203 | return DrawGlInfo::kStatusDrew; |
| 3204 | } |
| 3205 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 3206 | void OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 3207 | int color, SkXfermode::Mode mode, bool ignoreTransform) { |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 3208 | // If a shader is set, preserve only the alpha |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 3209 | if (mDrawModifiers.mShader) { |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 3210 | color |= 0x00ffffff; |
| 3211 | } |
| 3212 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3213 | setupDraw(); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 3214 | setupDrawNoTexture(); |
Romain Guy | 9c0b188 | 2012-07-13 12:13:07 -0700 | [diff] [blame] | 3215 | setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3216 | setupDrawShader(); |
| 3217 | setupDrawColorFilter(); |
| 3218 | setupDrawBlending(mode); |
| 3219 | setupDrawProgram(); |
| 3220 | setupDrawModelView(left, top, right, bottom, ignoreTransform); |
| 3221 | setupDrawColorUniforms(); |
| 3222 | setupDrawShaderUniforms(ignoreTransform); |
| 3223 | setupDrawColorFilterUniforms(); |
| 3224 | setupDrawSimpleMesh(); |
Romain Guy | c0ac193 | 2010-07-19 18:43:02 -0700 | [diff] [blame] | 3225 | |
Romain Guy | c95c8d6 | 2010-09-17 15:31:32 -0700 | [diff] [blame] | 3226 | glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); |
| 3227 | } |
| 3228 | |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3229 | void OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 3230 | Texture* texture, SkPaint* paint) { |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3231 | int alpha; |
| 3232 | SkXfermode::Mode mode; |
| 3233 | getAlphaAndMode(paint, &alpha, &mode); |
| 3234 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 3235 | texture->setWrap(GL_CLAMP_TO_EDGE, true); |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 3236 | |
Romain Guy | 3b75382 | 2013-03-05 10:27:35 -0800 | [diff] [blame] | 3237 | if (CC_LIKELY(currentTransform().isPureTranslate())) { |
| 3238 | const float x = (int) floorf(left + currentTransform().getTranslateX() + 0.5f); |
| 3239 | const float y = (int) floorf(top + currentTransform().getTranslateY() + 0.5f); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 3240 | |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 3241 | texture->setFilter(GL_NEAREST, true); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 3242 | drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, |
| 3243 | alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, |
| 3244 | (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); |
| 3245 | } else { |
Romain Guy | d21b6e1 | 2011-11-30 20:21:23 -0800 | [diff] [blame] | 3246 | texture->setFilter(FILTER(paint), true); |
Romain Guy | 6620c6d | 2010-12-06 18:07:02 -0800 | [diff] [blame] | 3247 | drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, |
| 3248 | texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, |
| 3249 | GL_TRIANGLE_STRIP, gMeshCount); |
| 3250 | } |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 3251 | } |
| 3252 | |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 3253 | void OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 3254 | GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { |
| 3255 | drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 3256 | (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 3257 | } |
| 3258 | |
| 3259 | void OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 3260 | GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, |
Romain Guy | 6820ac8 | 2010-09-15 18:11:50 -0700 | [diff] [blame] | 3261 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 3262 | bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3263 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 3264 | setupDraw(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3265 | setupDrawWithTexture(); |
| 3266 | setupDrawColor(alpha, alpha, alpha, alpha); |
| 3267 | setupDrawColorFilter(); |
| 3268 | setupDrawBlending(blend, mode, swapSrcDst); |
| 3269 | setupDrawProgram(); |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 3270 | if (!dirty) setupDrawDirtyRegionsDisabled(); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 3271 | if (!ignoreScale) { |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3272 | setupDrawModelView(left, top, right, bottom, ignoreTransform); |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 3273 | } else { |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3274 | setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 3275 | } |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 3276 | setupDrawTexture(texture); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 3277 | setupDrawPureColorUniforms(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3278 | setupDrawColorFilterUniforms(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3279 | setupDrawMesh(vertices, texCoords, vbo); |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 3280 | |
Romain Guy | 6820ac8 | 2010-09-15 18:11:50 -0700 | [diff] [blame] | 3281 | glDrawArrays(drawMode, 0, elementsCount); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 3282 | |
| 3283 | finishDrawTexture(); |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3284 | } |
| 3285 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 3286 | void OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, |
| 3287 | GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, |
| 3288 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
| 3289 | bool ignoreTransform, bool dirty) { |
| 3290 | |
| 3291 | setupDraw(); |
| 3292 | setupDrawWithTexture(true); |
| 3293 | if (hasColor) { |
| 3294 | setupDrawAlpha8Color(color, alpha); |
| 3295 | } |
| 3296 | setupDrawColorFilter(); |
| 3297 | setupDrawShader(); |
| 3298 | setupDrawBlending(true, mode); |
| 3299 | setupDrawProgram(); |
| 3300 | if (!dirty) setupDrawDirtyRegionsDisabled(); |
| 3301 | setupDrawModelView(left, top, right, bottom, ignoreTransform); |
| 3302 | setupDrawTexture(texture); |
| 3303 | setupDrawPureColorUniforms(); |
| 3304 | setupDrawColorFilterUniforms(); |
| 3305 | setupDrawShaderUniforms(); |
| 3306 | setupDrawMesh(vertices, texCoords); |
| 3307 | |
| 3308 | glDrawArrays(drawMode, 0, elementsCount); |
| 3309 | |
| 3310 | finishDrawTexture(); |
| 3311 | } |
| 3312 | |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 3313 | void OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 3314 | ProgramDescription& description, bool swapSrcDst) { |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3315 | blend = blend || mode != SkXfermode::kSrcOver_Mode; |
Romain Guy | c189ef5 | 2012-04-25 20:02:53 -0700 | [diff] [blame] | 3316 | |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3317 | if (blend) { |
Romain Guy | 82bc7a7 | 2012-01-03 14:13:39 -0800 | [diff] [blame] | 3318 | // These blend modes are not supported by OpenGL directly and have |
| 3319 | // to be implemented using shaders. Since the shader will perform |
| 3320 | // the blending, turn blending off here |
| 3321 | // If the blend mode cannot be implemented using shaders, fall |
| 3322 | // back to the default SrcOver blend mode instead |
Romain Guy | 33fa1f7 | 2012-08-07 19:09:57 -0700 | [diff] [blame] | 3323 | if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 3324 | if (CC_UNLIKELY(mExtensions.hasFramebufferFetch())) { |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 3325 | description.framebufferMode = mode; |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 3326 | description.swapSrcDst = swapSrcDst; |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 3327 | |
Romain Guy | 82bc7a7 | 2012-01-03 14:13:39 -0800 | [diff] [blame] | 3328 | if (mCaches.blend) { |
| 3329 | glDisable(GL_BLEND); |
| 3330 | mCaches.blend = false; |
| 3331 | } |
| 3332 | |
| 3333 | return; |
| 3334 | } else { |
| 3335 | mode = SkXfermode::kSrcOver_Mode; |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 3336 | } |
Romain Guy | 82bc7a7 | 2012-01-03 14:13:39 -0800 | [diff] [blame] | 3337 | } |
| 3338 | |
| 3339 | if (!mCaches.blend) { |
| 3340 | glEnable(GL_BLEND); |
| 3341 | } |
| 3342 | |
| 3343 | GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; |
| 3344 | GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; |
| 3345 | |
| 3346 | if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { |
| 3347 | glBlendFunc(sourceMode, destMode); |
| 3348 | mCaches.lastSrcMode = sourceMode; |
| 3349 | mCaches.lastDstMode = destMode; |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3350 | } |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 3351 | } else if (mCaches.blend) { |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3352 | glDisable(GL_BLEND); |
| 3353 | } |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 3354 | mCaches.blend = blend; |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 3355 | } |
| 3356 | |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 3357 | bool OpenGLRenderer::useProgram(Program* program) { |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 3358 | if (!program->isInUse()) { |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 3359 | if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 3360 | program->use(); |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 3361 | mCaches.currentProgram = program; |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 3362 | return false; |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 3363 | } |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 3364 | return true; |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 3365 | } |
| 3366 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 3367 | void OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 3368 | TextureVertex* v = &mMeshVertices[0]; |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 3369 | TextureVertex::setUV(v++, u1, v1); |
| 3370 | TextureVertex::setUV(v++, u2, v1); |
| 3371 | TextureVertex::setUV(v++, u1, v2); |
| 3372 | TextureVertex::setUV(v++, u2, v2); |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 3373 | } |
| 3374 | |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 3375 | void OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 3376 | getAlphaAndModeDirect(paint, alpha, mode); |
Chet Haase | db8c9a6 | 2012-03-21 18:54:18 -0700 | [diff] [blame] | 3377 | *alpha *= mSnapshot->alpha; |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 3378 | } |
| 3379 | |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 3380 | }; // namespace uirenderer |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 3381 | }; // namespace android |