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 | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 17 | #ifndef ANDROID_HWUI_OPENGL_RENDERER_H |
| 18 | #define ANDROID_HWUI_OPENGL_RENDERER_H |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 19 | |
| 20 | #include <GLES2/gl2.h> |
| 21 | #include <GLES2/gl2ext.h> |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 22 | |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 23 | #include <SkBitmap.h> |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 24 | #include <SkMatrix.h> |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 25 | #include <SkPaint.h> |
Romain Guy | 079ba2c | 2010-07-16 14:12:24 -0700 | [diff] [blame] | 26 | #include <SkRegion.h> |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 27 | #include <SkShader.h> |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 28 | #include <SkXfermode.h> |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 29 | |
Chet Haase | daf98e9 | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 30 | #include <utils/Functor.h> |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 31 | #include <utils/RefBase.h> |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 32 | #include <utils/SortedVector.h> |
Romain Guy | 8694230 | 2010-09-12 13:02:16 -0700 | [diff] [blame] | 33 | #include <utils/Vector.h> |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 34 | |
Romain Guy | 7953745 | 2011-10-12 13:48:51 -0700 | [diff] [blame] | 35 | #include <cutils/compiler.h> |
| 36 | |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 37 | #include <androidfw/ResourceTypes.h> |
| 38 | |
Romain Guy | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 39 | #include "Debug.h" |
Romain Guy | 51769a6 | 2010-07-23 00:28:00 -0700 | [diff] [blame] | 40 | #include "Extensions.h" |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 41 | #include "Matrix.h" |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 42 | #include "Program.h" |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 43 | #include "Rect.h" |
Chris Craik | b458942 | 2013-12-26 15:13:13 -0800 | [diff] [blame] | 44 | #include "Renderer.h" |
Chris Craik | 14e5130 | 2013-12-30 15:32:54 -0800 | [diff] [blame] | 45 | #include "StatefulBaseRenderer.h" |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 46 | #include "SkiaColorFilter.h" |
Chris Craik | b458942 | 2013-12-26 15:13:13 -0800 | [diff] [blame] | 47 | #include "Snapshot.h" |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 48 | #include "UvMapper.h" |
Chris Craik | b458942 | 2013-12-26 15:13:13 -0800 | [diff] [blame] | 49 | #include "Vertex.h" |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 50 | #include "Caches.h" |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 51 | |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 52 | namespace android { |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 53 | namespace uirenderer { |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 54 | |
Chris Craik | b458942 | 2013-12-26 15:13:13 -0800 | [diff] [blame] | 55 | class DeferredDisplayState; |
| 56 | class DisplayList; |
| 57 | class TextSetupFunctor; |
| 58 | class VertexBuffer; |
| 59 | class SkiaShader; |
| 60 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 61 | struct DrawModifiers { |
Romain Guy | 9b5a1a2 | 2013-08-09 14:06:29 -0700 | [diff] [blame] | 62 | DrawModifiers() { |
| 63 | reset(); |
| 64 | } |
| 65 | |
| 66 | void reset() { |
| 67 | memset(this, 0, sizeof(DrawModifiers)); |
| 68 | } |
| 69 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 70 | SkiaShader* mShader; |
| 71 | SkiaColorFilter* mColorFilter; |
Chris Craik | 16ecda5 | 2013-03-29 10:59:59 -0700 | [diff] [blame] | 72 | float mOverrideLayerAlpha; |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 73 | |
| 74 | // Drop shadow |
| 75 | bool mHasShadow; |
| 76 | float mShadowRadius; |
| 77 | float mShadowDx; |
| 78 | float mShadowDy; |
| 79 | int mShadowColor; |
| 80 | |
| 81 | // Draw filters |
| 82 | bool mHasDrawFilter; |
| 83 | int mPaintFilterClearBits; |
| 84 | int mPaintFilterSetBits; |
| 85 | }; |
| 86 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 87 | enum StateDeferFlags { |
| 88 | kStateDeferFlag_Draw = 0x1, |
| 89 | kStateDeferFlag_Clip = 0x2 |
| 90 | }; |
| 91 | |
Chris Craik | 28ce94a | 2013-05-31 11:38:03 -0700 | [diff] [blame] | 92 | enum ClipSideFlags { |
Chris Craik | a02c4ed | 2013-06-14 13:43:58 -0700 | [diff] [blame] | 93 | kClipSide_None = 0x0, |
Chris Craik | 28ce94a | 2013-05-31 11:38:03 -0700 | [diff] [blame] | 94 | kClipSide_Left = 0x1, |
| 95 | kClipSide_Top = 0x2, |
| 96 | kClipSide_Right = 0x4, |
| 97 | kClipSide_Bottom = 0x8, |
Chris Craik | d72b73c | 2013-06-17 13:52:06 -0700 | [diff] [blame] | 98 | kClipSide_Full = 0xF, |
| 99 | kClipSide_ConservativeFull = 0x1F |
Chris Craik | 28ce94a | 2013-05-31 11:38:03 -0700 | [diff] [blame] | 100 | }; |
| 101 | |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 102 | /** |
| 103 | * Defines additional transformation that should be applied by the model view matrix, beyond that of |
| 104 | * the currentTransform() |
| 105 | */ |
| 106 | enum ModelViewMode { |
| 107 | /** |
| 108 | * Used when the model view should simply translate geometry passed to the shader. The resulting |
| 109 | * matrix will be a simple translation. |
| 110 | */ |
| 111 | kModelViewMode_Translate = 0, |
| 112 | |
| 113 | /** |
| 114 | * Used when the model view should translate and scale geometry. The resulting matrix will be a |
| 115 | * translation + scale. This is frequently used together with VBO 0, the (0,0,1,1) rect. |
| 116 | */ |
| 117 | kModelViewMode_TranslateAndScale = 1, |
| 118 | }; |
| 119 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 120 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 121 | // Renderer |
| 122 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 123 | /** |
Chris Craik | 14e5130 | 2013-12-30 15:32:54 -0800 | [diff] [blame] | 124 | * OpenGL Renderer implementation. |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 125 | */ |
Chris Craik | 14e5130 | 2013-12-30 15:32:54 -0800 | [diff] [blame] | 126 | class OpenGLRenderer : public StatefulBaseRenderer { |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 127 | public: |
Romain Guy | 7953745 | 2011-10-12 13:48:51 -0700 | [diff] [blame] | 128 | ANDROID_API OpenGLRenderer(); |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 129 | virtual ~OpenGLRenderer(); |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 130 | |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 131 | ANDROID_API void initProperties(); |
| 132 | |
Romain Guy | b051e89 | 2010-09-28 19:09:36 -0700 | [diff] [blame] | 133 | virtual void setViewport(int width, int height); |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 134 | virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 135 | virtual void finish(); |
Romain Guy | c89b14b | 2012-08-08 14:53:48 -0700 | [diff] [blame] | 136 | virtual void interrupt(); |
Romain Guy | c89b14b | 2012-08-08 14:53:48 -0700 | [diff] [blame] | 137 | virtual void resume(); |
| 138 | |
Romain Guy | 78dd96d | 2013-05-03 14:24:16 -0700 | [diff] [blame] | 139 | ANDROID_API void setCountOverdrawEnabled(bool enabled) { |
| 140 | mCountOverdraw = enabled; |
| 141 | } |
| 142 | |
| 143 | ANDROID_API float getOverdraw() { |
| 144 | return mCountOverdraw ? mOverdraw : 0.0f; |
| 145 | } |
| 146 | |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 147 | ANDROID_API status_t invokeFunctors(Rect& dirty); |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 148 | ANDROID_API void detachFunctor(Functor* functor); |
| 149 | ANDROID_API void attachFunctor(Functor* functor); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 150 | virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); |
Romain Guy | 08ae317 | 2010-06-21 19:35:50 -0700 | [diff] [blame] | 151 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 152 | ANDROID_API void pushLayerUpdate(Layer* layer); |
Romain Guy | e93482f | 2013-06-17 13:14:51 -0700 | [diff] [blame] | 153 | ANDROID_API void cancelLayerUpdate(Layer* layer); |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 154 | ANDROID_API void clearLayerUpdates(); |
Romain Guy | 4054360 | 2013-06-12 15:31:28 -0700 | [diff] [blame] | 155 | ANDROID_API void flushLayerUpdates(); |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 156 | |
Derek Sollenberger | d44fbe5 | 2014-02-05 16:47:00 -0500 | [diff] [blame] | 157 | ANDROID_API virtual int saveLayer(float left, float top, float right, float bottom, |
| 158 | const SkPaint* paint, int flags); |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 159 | |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 160 | int saveLayerDeferred(float left, float top, float right, float bottom, |
Derek Sollenberger | d44fbe5 | 2014-02-05 16:47:00 -0500 | [diff] [blame] | 161 | const SkPaint* paint, int flags); |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 162 | |
John Reck | 4f02bf4 | 2014-01-03 18:09:17 -0800 | [diff] [blame] | 163 | virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t replayFlags = 1); |
Chris Craik | a08f95c | 2013-03-15 17:24:33 -0700 | [diff] [blame] | 164 | virtual status_t drawLayer(Layer* layer, float x, float y); |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 165 | virtual status_t drawBitmap(const SkBitmap* bitmap, float left, float top, |
| 166 | const SkPaint* paint); |
| 167 | status_t drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, |
| 168 | TextureVertex* vertices, bool pureTranslate, const Rect& bounds, const SkPaint* paint); |
| 169 | virtual status_t drawBitmap(const SkBitmap* bitmap, const SkMatrix* matrix, |
| 170 | const SkPaint* paint); |
| 171 | virtual status_t drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop, |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 172 | float srcRight, float srcBottom, float dstLeft, float dstTop, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 173 | float dstRight, float dstBottom, const SkPaint* paint); |
| 174 | virtual status_t drawBitmapData(const SkBitmap* bitmap, float left, float top, |
| 175 | const SkPaint* paint); |
| 176 | virtual status_t drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, |
| 177 | const float* vertices, const int* colors, const SkPaint* paint); |
| 178 | status_t drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, |
| 179 | TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint); |
| 180 | virtual status_t drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, |
| 181 | float left, float top, float right, float bottom, const SkPaint* paint); |
| 182 | status_t drawPatch(const SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, |
| 183 | float left, float top, float right, float bottom, const SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 184 | virtual status_t drawColor(int color, SkXfermode::Mode mode); |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 185 | virtual status_t drawRect(float left, float top, float right, float bottom, |
| 186 | const SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 187 | virtual status_t drawRoundRect(float left, float top, float right, float bottom, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 188 | float rx, float ry, const SkPaint* paint); |
| 189 | virtual status_t drawCircle(float x, float y, float radius, const SkPaint* paint); |
| 190 | virtual status_t drawOval(float left, float top, float right, float bottom, |
| 191 | const SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 192 | virtual status_t drawArc(float left, float top, float right, float bottom, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 193 | float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint); |
| 194 | virtual status_t drawPath(const SkPath* path, const SkPaint* paint); |
| 195 | virtual status_t drawLines(const float* points, int count, const SkPaint* paint); |
| 196 | virtual status_t drawPoints(const float* points, int count, const SkPaint* paint); |
| 197 | virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, const SkPath* path, |
| 198 | float hOffset, float vOffset, const SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 199 | virtual status_t drawPosText(const char* text, int bytesCount, int count, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 200 | const float* positions, const SkPaint* paint); |
Romain Guy | c252595 | 2012-07-27 16:41:22 -0700 | [diff] [blame] | 201 | virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 202 | const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, |
Chris Craik | 527a3aa | 2013-03-04 10:19:31 -0800 | [diff] [blame] | 203 | DrawOpMode drawOpMode = kDrawOpMode_Immediate); |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 204 | virtual status_t drawRects(const float* rects, int count, const SkPaint* paint); |
Romain Guy | 08ae317 | 2010-06-21 19:35:50 -0700 | [diff] [blame] | 205 | |
Chris Craik | f57776b | 2013-10-25 18:30:17 -0700 | [diff] [blame] | 206 | status_t drawShadow(const mat4& casterTransform, float casterAlpha, |
Chris Craik | 15a07a2 | 2014-01-26 13:43:53 -0800 | [diff] [blame] | 207 | const SkPath* casterOutline); |
Chris Craik | f57776b | 2013-10-25 18:30:17 -0700 | [diff] [blame] | 208 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 209 | virtual void resetShader(); |
| 210 | virtual void setupShader(SkiaShader* shader); |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 211 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 212 | virtual void resetColorFilter(); |
| 213 | virtual void setupColorFilter(SkiaColorFilter* filter); |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 214 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 215 | virtual void resetShadow(); |
| 216 | virtual void setupShadow(float radius, float dx, float dy, int color); |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 217 | |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 218 | virtual void resetPaintFilter(); |
| 219 | virtual void setupPaintFilter(int clearBits, int setBits); |
| 220 | |
Chris Craik | 16ecda5 | 2013-03-29 10:59:59 -0700 | [diff] [blame] | 221 | // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) |
| 222 | void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } |
| 223 | |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 224 | const SkPaint* filterPaint(const SkPaint* paint); |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 225 | |
Chris Craik | 5e49b30 | 2013-07-30 19:05:20 -0700 | [diff] [blame] | 226 | /** |
| 227 | * Store the current display state (most importantly, the current clip and transform), and |
| 228 | * additionally map the state's bounds from local to window coordinates. |
| 229 | * |
| 230 | * Returns true if quick-rejected |
| 231 | */ |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 232 | bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); |
Chris Craik | 527a3aa | 2013-03-04 10:19:31 -0800 | [diff] [blame] | 233 | void restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore = false); |
Chris Craik | 28ce94a | 2013-05-31 11:38:03 -0700 | [diff] [blame] | 234 | void setupMergedMultiDraw(const Rect* clipRect); |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 235 | |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 236 | const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } |
| 237 | void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } |
| 238 | |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 239 | ANDROID_API bool isCurrentTransformSimple() { |
Chris Craik | d6b65f6 | 2014-01-01 14:45:21 -0800 | [diff] [blame] | 240 | return currentTransform()->isSimple(); |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 241 | } |
| 242 | |
Romain Guy | 0f66753 | 2013-03-01 14:31:04 -0800 | [diff] [blame] | 243 | Caches& getCaches() { |
| 244 | return mCaches; |
| 245 | } |
| 246 | |
Chris Craik | ff78583 | 2013-03-08 13:12:16 -0800 | [diff] [blame] | 247 | // simple rect clip |
| 248 | bool isCurrentClipSimple() { |
| 249 | return mSnapshot->clipRegion->isEmpty(); |
| 250 | } |
| 251 | |
Chris Craik | d6b65f6 | 2014-01-01 14:45:21 -0800 | [diff] [blame] | 252 | int getViewportWidth() { return currentSnapshot()->viewport.getWidth(); } |
| 253 | int getViewportHeight() { return currentSnapshot()->viewport.getHeight(); } |
Chris Craik | 0e87f00 | 2013-06-19 16:54:59 -0700 | [diff] [blame] | 254 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 255 | /** |
Chris Craik | a08f95c | 2013-03-15 17:24:33 -0700 | [diff] [blame] | 256 | * Scales the alpha on the current snapshot. This alpha value will be modulated |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 257 | * with other alpha values when drawing primitives. |
| 258 | */ |
Chris Craik | a08f95c | 2013-03-15 17:24:33 -0700 | [diff] [blame] | 259 | void scaleAlpha(float alpha) { |
| 260 | mSnapshot->alpha *= alpha; |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | /** |
Romain Guy | 0f66753 | 2013-03-01 14:31:04 -0800 | [diff] [blame] | 264 | * Inserts a named event marker in the stream of GL commands. |
| 265 | */ |
| 266 | void eventMark(const char* name) const; |
| 267 | |
| 268 | /** |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 269 | * Inserts a named group marker in the stream of GL commands. This marker |
| 270 | * can be used by tools to group commands into logical groups. A call to |
| 271 | * this method must always be followed later on by a call to endMark(). |
| 272 | */ |
Romain Guy | 13631f3 | 2012-01-30 17:41:55 -0800 | [diff] [blame] | 273 | void startMark(const char* name) const; |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 274 | |
| 275 | /** |
| 276 | * Closes the last group marker opened by startMark(). |
| 277 | */ |
Romain Guy | 13631f3 | 2012-01-30 17:41:55 -0800 | [diff] [blame] | 278 | void endMark() const; |
| 279 | |
Chet Haase | d15ebf2 | 2012-09-05 11:40:29 -0700 | [diff] [blame] | 280 | /** |
| 281 | * Gets the alpha and xfermode out of a paint object. If the paint is null |
| 282 | * alpha will be 255 and the xfermode will be SRC_OVER. This method does |
Chris Craik | 16ecda5 | 2013-03-29 10:59:59 -0700 | [diff] [blame] | 283 | * not multiply the paint's alpha by the current snapshot's alpha, and does |
| 284 | * not replace the alpha with the overrideLayerAlpha |
Chet Haase | d15ebf2 | 2012-09-05 11:40:29 -0700 | [diff] [blame] | 285 | * |
| 286 | * @param paint The paint to extract values from |
| 287 | * @param alpha Where to store the resulting alpha |
| 288 | * @param mode Where to store the resulting xfermode |
| 289 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 290 | static inline void getAlphaAndModeDirect(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { |
Chris Craik | 527a3aa | 2013-03-04 10:19:31 -0800 | [diff] [blame] | 291 | *mode = getXfermodeDirect(paint); |
| 292 | *alpha = getAlphaDirect(paint); |
| 293 | } |
Chet Haase | d15ebf2 | 2012-09-05 11:40:29 -0700 | [diff] [blame] | 294 | |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 295 | static inline SkXfermode::Mode getXfermodeDirect(const SkPaint* paint) { |
Chris Craik | 527a3aa | 2013-03-04 10:19:31 -0800 | [diff] [blame] | 296 | if (!paint) return SkXfermode::kSrcOver_Mode; |
| 297 | return getXfermode(paint->getXfermode()); |
| 298 | } |
| 299 | |
Chris Craik | c1c5f08 | 2013-09-11 16:23:37 -0700 | [diff] [blame] | 300 | static inline int getAlphaDirect(const SkPaint* paint) { |
Chris Craik | 527a3aa | 2013-03-04 10:19:31 -0800 | [diff] [blame] | 301 | if (!paint) return 255; |
| 302 | return paint->getAlpha(); |
Chet Haase | d15ebf2 | 2012-09-05 11:40:29 -0700 | [diff] [blame] | 303 | } |
| 304 | |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 305 | /** |
| 306 | * Return the best transform to use to rasterize text given a full |
| 307 | * transform matrix. |
| 308 | */ |
| 309 | mat4 findBestFontTransform(const mat4& transform) const; |
| 310 | |
Chris Craik | 527a3aa | 2013-03-04 10:19:31 -0800 | [diff] [blame] | 311 | #if DEBUG_MERGE_BEHAVIOR |
| 312 | void drawScreenSpaceColorRect(float left, float top, float right, float bottom, int color) { |
| 313 | mCaches.setScissorEnabled(false); |
| 314 | |
| 315 | // should only be called outside of other draw ops, so stencil can only be in test state |
| 316 | bool stencilWasEnabled = mCaches.stencil.isTestEnabled(); |
| 317 | mCaches.stencil.disable(); |
| 318 | |
| 319 | drawColorRect(left, top, right, bottom, color, SkXfermode::kSrcOver_Mode, true); |
| 320 | |
| 321 | if (stencilWasEnabled) mCaches.stencil.enableTest(); |
| 322 | } |
| 323 | #endif |
| 324 | |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 325 | protected: |
| 326 | /** |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 327 | * Computes the projection matrix, initialize the first snapshot |
| 328 | * and stores the dimensions of the render target. |
| 329 | */ |
| 330 | void initViewport(int width, int height); |
| 331 | |
| 332 | /** |
Romain Guy | 96885eb | 2013-03-26 15:05:58 -0700 | [diff] [blame] | 333 | * Perform the setup specific to a frame. This method does not |
| 334 | * issue any OpenGL commands. |
| 335 | */ |
| 336 | void setupFrameState(float left, float top, float right, float bottom, bool opaque); |
| 337 | |
| 338 | /** |
| 339 | * Indicates the start of rendering. This method will setup the |
| 340 | * initial OpenGL state (viewport, clearing the buffer, etc.) |
| 341 | */ |
| 342 | status_t startFrame(); |
| 343 | |
| 344 | /** |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 345 | * Clears the underlying surface if needed. |
| 346 | */ |
| 347 | virtual status_t clear(float left, float top, float right, float bottom, bool opaque); |
| 348 | |
| 349 | /** |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 350 | * Call this method after updating a layer during a drawing pass. |
| 351 | */ |
| 352 | void resumeAfterLayer(); |
| 353 | |
| 354 | /** |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 355 | * This method is called whenever a stencil buffer is required. Subclasses |
| 356 | * should override this method and call attachStencilBufferToLayer() on the |
| 357 | * appropriate layer(s). |
| 358 | */ |
| 359 | virtual void ensureStencilBuffer(); |
| 360 | |
| 361 | /** |
| 362 | * Obtains a stencil render buffer (allocating it if necessary) and |
| 363 | * attaches it to the specified layer. |
| 364 | */ |
| 365 | void attachStencilBufferToLayer(Layer* layer); |
| 366 | |
Chris Craik | f0a5907 | 2013-11-19 18:00:46 -0800 | [diff] [blame] | 367 | bool quickRejectSetupScissor(float left, float top, float right, float bottom, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 368 | const SkPaint* paint = NULL); |
| 369 | bool quickRejectSetupScissor(const Rect& bounds, const SkPaint* paint = NULL) { |
Chris Craik | f0a5907 | 2013-11-19 18:00:46 -0800 | [diff] [blame] | 370 | return quickRejectSetupScissor(bounds.left, bounds.top, |
| 371 | bounds.right, bounds.bottom, paint); |
| 372 | } |
| 373 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 374 | /** |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 375 | * Compose the layer defined in the current snapshot with the layer |
| 376 | * defined by the previous snapshot. |
| 377 | * |
| 378 | * The current snapshot *must* be a layer (flag kFlagIsLayer set.) |
| 379 | * |
| 380 | * @param curent The current snapshot containing the layer to compose |
| 381 | * @param previous The previous snapshot to compose the current layer with |
| 382 | */ |
Chris Craik | 14e5130 | 2013-12-30 15:32:54 -0800 | [diff] [blame] | 383 | virtual void composeLayer(const Snapshot& current, const Snapshot& previous); |
Romain Guy | 694b519 | 2010-07-21 21:33:20 -0700 | [diff] [blame] | 384 | |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 385 | /** |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 386 | * Marks the specified region as dirty at the specified bounds. |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 387 | */ |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 388 | void dirtyLayerUnchecked(Rect& bounds, Region* region); |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 389 | |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 390 | /** |
| 391 | * Returns the region of the current layer. |
| 392 | */ |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 393 | virtual Region* getRegion() const { |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 394 | return mSnapshot->region; |
| 395 | } |
| 396 | |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 397 | /** |
| 398 | * Indicates whether rendering is currently targeted at a layer. |
| 399 | */ |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 400 | virtual bool hasLayer() const { |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 401 | return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; |
| 402 | } |
Romain Guy | 1bd1bad | 2011-01-14 20:07:20 -0800 | [diff] [blame] | 403 | |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 404 | /** |
| 405 | * Returns the name of the FBO this renderer is rendering into. |
| 406 | */ |
Chris Craik | 14e5130 | 2013-12-30 15:32:54 -0800 | [diff] [blame] | 407 | virtual GLuint getTargetFbo() const { |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 408 | return 0; |
| 409 | } |
| 410 | |
Romain Guy | 77a8116 | 2011-06-14 16:45:55 -0700 | [diff] [blame] | 411 | /** |
| 412 | * Renders the specified layer as a textured quad. |
| 413 | * |
| 414 | * @param layer The layer to render |
| 415 | * @param rect The bounds of the layer |
| 416 | */ |
| 417 | void drawTextureLayer(Layer* layer, const Rect& rect); |
| 418 | |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 419 | /** |
| 420 | * Gets the alpha and xfermode out of a paint object. If the paint is null |
Chris Craik | 16ecda5 | 2013-03-29 10:59:59 -0700 | [diff] [blame] | 421 | * alpha will be 255 and the xfermode will be SRC_OVER. Accounts for both |
| 422 | * snapshot alpha, and overrideLayerAlpha |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 423 | * |
| 424 | * @param paint The paint to extract values from |
| 425 | * @param alpha Where to store the resulting alpha |
| 426 | * @param mode Where to store the resulting xfermode |
| 427 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 428 | inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; |
Chris Craik | 16ecda5 | 2013-03-29 10:59:59 -0700 | [diff] [blame] | 429 | |
| 430 | /** |
| 431 | * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha |
| 432 | * |
| 433 | * @param layer The layer from which the alpha is extracted |
| 434 | */ |
| 435 | inline float getLayerAlpha(Layer* layer) const; |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 436 | |
| 437 | /** |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 438 | * Safely retrieves the mode from the specified xfermode. If the specified |
| 439 | * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. |
| 440 | */ |
| 441 | static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { |
| 442 | SkXfermode::Mode resultMode; |
| 443 | if (!SkXfermode::AsMode(mode, &resultMode)) { |
| 444 | resultMode = SkXfermode::kSrcOver_Mode; |
| 445 | } |
| 446 | return resultMode; |
| 447 | } |
| 448 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 449 | /** |
| 450 | * Set to true to suppress error checks at the end of a frame. |
| 451 | */ |
Romain Guy | 624234f | 2013-03-05 16:43:31 -0800 | [diff] [blame] | 452 | virtual bool suppressErrorChecks() const { |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 453 | return false; |
| 454 | } |
| 455 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 456 | private: |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 457 | /** |
Romain Guy | dcfc836 | 2013-01-03 13:08:57 -0800 | [diff] [blame] | 458 | * Discards the content of the framebuffer if supported by the driver. |
| 459 | * This method should be called at the beginning of a frame to optimize |
| 460 | * rendering on some tiler architectures. |
| 461 | */ |
| 462 | void discardFramebuffer(float left, float top, float right, float bottom); |
| 463 | |
| 464 | /** |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 465 | * Ensures the state of the renderer is the same as the state of |
| 466 | * the GL context. |
| 467 | */ |
| 468 | void syncState(); |
| 469 | |
| 470 | /** |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 471 | * Tells the GPU what part of the screen is about to be redrawn. |
Chris Craik | d6b65f6 | 2014-01-01 14:45:21 -0800 | [diff] [blame] | 472 | * This method will use the current layer space clip rect. |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 473 | * This method needs to be invoked every time getTargetFbo() is |
| 474 | * bound again. |
| 475 | */ |
Chris Craik | d6b65f6 | 2014-01-01 14:45:21 -0800 | [diff] [blame] | 476 | void startTilingCurrentClip(bool opaque = false); |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 477 | |
| 478 | /** |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 479 | * Tells the GPU what part of the screen is about to be redrawn. |
| 480 | * This method needs to be invoked every time getTargetFbo() is |
| 481 | * bound again. |
| 482 | */ |
| 483 | void startTiling(const Rect& clip, int windowHeight, bool opaque = false); |
| 484 | |
| 485 | /** |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 486 | * Tells the GPU that we are done drawing the frame or that we |
| 487 | * are switching to another render target. |
| 488 | */ |
| 489 | void endTiling(); |
| 490 | |
Chris Craik | 14e5130 | 2013-12-30 15:32:54 -0800 | [diff] [blame] | 491 | void onSnapshotRestored(const Snapshot& removed, const Snapshot& restored); |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 492 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 493 | /** |
| 494 | * Sets the clipping rectangle using glScissor. The clip is defined by |
| 495 | * the current snapshot's clipRect member. |
| 496 | */ |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 497 | void setScissorFromClip(); |
| 498 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 499 | /** |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 500 | * Sets the clipping region using the stencil buffer. The clip region |
| 501 | * is defined by the current snapshot's clipRegion member. |
| 502 | */ |
| 503 | void setStencilFromClip(); |
| 504 | |
| 505 | /** |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame] | 506 | * Given the local bounds of the layer, calculates ... |
Chris Craik | d90144d | 2013-03-19 15:03:48 -0700 | [diff] [blame] | 507 | */ |
| 508 | void calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer); |
| 509 | |
| 510 | /** |
Chris Craik | 408eb12 | 2013-03-26 18:55:15 -0700 | [diff] [blame] | 511 | * Given the local bounds + clip of the layer, updates current snapshot's empty/invisible |
| 512 | */ |
| 513 | void updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, |
| 514 | bool fboLayer, int alpha); |
| 515 | |
| 516 | /** |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 517 | * Creates a new layer stored in the specified snapshot. |
| 518 | * |
| 519 | * @param snapshot The snapshot associated with the new layer |
| 520 | * @param left The left coordinate of the layer |
| 521 | * @param top The top coordinate of the layer |
| 522 | * @param right The right coordinate of the layer |
| 523 | * @param bottom The bottom coordinate of the layer |
| 524 | * @param alpha The translucency of the layer |
| 525 | * @param mode The blending mode of the layer |
| 526 | * @param flags The layer save flags |
| 527 | * |
| 528 | * @return True if the layer was successfully created, false otherwise |
| 529 | */ |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 530 | bool createLayer(float left, float top, float right, float bottom, |
Derek Sollenberger | d44fbe5 | 2014-02-05 16:47:00 -0500 | [diff] [blame] | 531 | const SkPaint* paint, int flags); |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 532 | |
| 533 | /** |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 534 | * Creates a new layer stored in the specified snapshot as an FBO. |
| 535 | * |
| 536 | * @param layer The layer to store as an FBO |
| 537 | * @param snapshot The snapshot associated with the new layer |
| 538 | * @param bounds The bounds of the layer |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 539 | */ |
Chris Craik | e63f7c62 | 2013-10-17 10:30:55 -0700 | [diff] [blame] | 540 | bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 541 | |
| 542 | /** |
| 543 | * Compose the specified layer as a region. |
| 544 | * |
| 545 | * @param layer The layer to compose |
| 546 | * @param rect The layer's bounds |
| 547 | */ |
| 548 | void composeLayerRegion(Layer* layer, const Rect& rect); |
| 549 | |
| 550 | /** |
| 551 | * Compose the specified layer as a simple rectangle. |
| 552 | * |
| 553 | * @param layer The layer to compose |
| 554 | * @param rect The layer's bounds |
| 555 | * @param swap If true, the source and destination are swapped |
| 556 | */ |
| 557 | void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); |
| 558 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 559 | /** |
| 560 | * Clears all the regions corresponding to the current list of layers. |
| 561 | * This method MUST be invoked before any drawing operation. |
| 562 | */ |
| 563 | void clearLayerRegions(); |
| 564 | |
| 565 | /** |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 566 | * Mark the layer as dirty at the specified coordinates. The coordinates |
| 567 | * are transformed with the supplied matrix. |
| 568 | */ |
| 569 | void dirtyLayer(const float left, const float top, |
| 570 | const float right, const float bottom, const mat4 transform); |
| 571 | |
| 572 | /** |
| 573 | * Mark the layer as dirty at the specified coordinates. |
| 574 | */ |
| 575 | void dirtyLayer(const float left, const float top, |
| 576 | const float right, const float bottom); |
| 577 | |
| 578 | /** |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 579 | * Draws a colored rectangle with the specified color. The specified coordinates |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 580 | * are transformed by the current snapshot's transform matrix unless specified |
| 581 | * otherwise. |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 582 | * |
| 583 | * @param left The left coordinate of the rectangle |
| 584 | * @param top The top coordinate of the rectangle |
| 585 | * @param right The right coordinate of the rectangle |
| 586 | * @param bottom The bottom coordinate of the rectangle |
| 587 | * @param color The rectangle's ARGB color, defined as a packed 32 bits word |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 588 | * @param mode The Skia xfermode to use |
Romain Guy | 3d58c03 | 2010-07-14 16:34:53 -0700 | [diff] [blame] | 589 | * @param ignoreTransform True if the current transform should be ignored |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 590 | */ |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 591 | void drawColorRect(float left, float top, float right, float bottom, |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 592 | int color, SkXfermode::Mode mode, bool ignoreTransform = false); |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 593 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 594 | /** |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 595 | * Draws a series of colored rectangles with the specified color. The specified |
| 596 | * coordinates are transformed by the current snapshot's transform matrix unless |
| 597 | * specified otherwise. |
| 598 | * |
| 599 | * @param rects A list of rectangles, 4 floats (left, top, right, bottom) |
| 600 | * per rectangle |
| 601 | * @param color The rectangles' ARGB color, defined as a packed 32 bits word |
| 602 | * @param mode The Skia xfermode to use |
| 603 | * @param ignoreTransform True if the current transform should be ignored |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 604 | * @param dirty True if calling this method should dirty the current layer |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 605 | * @param clip True if the rects should be clipped, false otherwise |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 606 | */ |
| 607 | status_t drawColorRects(const float* rects, int count, int color, |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 608 | SkXfermode::Mode mode, bool ignoreTransform = false, |
| 609 | bool dirty = true, bool clip = true); |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 610 | |
| 611 | /** |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 612 | * Draws the shape represented by the specified path texture. |
| 613 | * This method invokes drawPathTexture() but takes into account |
| 614 | * the extra left/top offset and the texture offset to correctly |
| 615 | * position the final shape. |
| 616 | * |
| 617 | * @param left The left coordinate of the shape to render |
| 618 | * @param top The top coordinate of the shape to render |
| 619 | * @param texture The texture reprsenting the shape |
| 620 | * @param paint The paint to draw the shape with |
| 621 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 622 | status_t drawShape(float left, float top, const PathTexture* texture, const SkPaint* paint); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 623 | |
| 624 | /** |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 625 | * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey |
| 626 | * different compositing rules. |
| 627 | * |
| 628 | * @param texture The texture to draw with |
| 629 | * @param left The x coordinate of the bitmap |
| 630 | * @param top The y coordinate of the bitmap |
| 631 | * @param paint The paint to render with |
| 632 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 633 | void drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint); |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 634 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 635 | /** |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 636 | * Renders a strip of polygons with the specified paint, used for tessellated geometry. |
| 637 | * |
| 638 | * @param vertexBuffer The VertexBuffer to be drawn |
| 639 | * @param paint The paint to render with |
| 640 | * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) |
| 641 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 642 | status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, const SkPaint* paint, |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 643 | bool useOffset = false); |
| 644 | |
| 645 | /** |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 646 | * Renders the convex hull defined by the specified path as a strip of polygons. |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 647 | * |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 648 | * @param path The hull of the path to draw |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 649 | * @param paint The paint to render with |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 650 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 651 | status_t drawConvexPath(const SkPath& path, const SkPaint* paint); |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 652 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 653 | /** |
| 654 | * Draws a textured rectangle with the specified texture. The specified coordinates |
| 655 | * are transformed by the current snapshot's transform matrix. |
| 656 | * |
| 657 | * @param left The left coordinate of the rectangle |
| 658 | * @param top The top coordinate of the rectangle |
| 659 | * @param right The right coordinate of the rectangle |
| 660 | * @param bottom The bottom coordinate of the rectangle |
| 661 | * @param texture The texture name to map onto the rectangle |
| 662 | * @param alpha An additional translucency parameter, between 0.0f and 1.0f |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 663 | * @param mode The blending mode |
Romain Guy | c1396e9 | 2010-06-30 17:56:19 -0700 | [diff] [blame] | 664 | * @param blend True if the texture contains an alpha channel |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 665 | */ |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 666 | void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 667 | float alpha, SkXfermode::Mode mode, bool blend); |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 668 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 669 | /** |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 670 | * Draws a textured rectangle with the specified texture. The specified coordinates |
| 671 | * are transformed by the current snapshot's transform matrix. |
| 672 | * |
| 673 | * @param left The left coordinate of the rectangle |
| 674 | * @param top The top coordinate of the rectangle |
| 675 | * @param right The right coordinate of the rectangle |
| 676 | * @param bottom The bottom coordinate of the rectangle |
| 677 | * @param texture The texture to use |
| 678 | * @param paint The paint containing the alpha, blending mode, etc. |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 679 | */ |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 680 | void drawTextureRect(float left, float top, float right, float bottom, |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 681 | Texture* texture, const SkPaint* paint); |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 682 | |
| 683 | /** |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 684 | * Draws a textured mesh with the specified texture. If the indices are omitted, |
| 685 | * the mesh is drawn as a simple quad. The mesh pointers become offsets when a |
| 686 | * VBO is bound. |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 687 | * |
| 688 | * @param left The left coordinate of the rectangle |
| 689 | * @param top The top coordinate of the rectangle |
| 690 | * @param right The right coordinate of the rectangle |
| 691 | * @param bottom The bottom coordinate of the rectangle |
| 692 | * @param texture The texture name to map onto the rectangle |
| 693 | * @param alpha An additional translucency parameter, between 0.0f and 1.0f |
| 694 | * @param mode The blending mode |
| 695 | * @param blend True if the texture contains an alpha channel |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 696 | * @param vertices The vertices that define the mesh |
| 697 | * @param texCoords The texture coordinates of each vertex |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 698 | * @param elementsCount The number of elements in the mesh, required by indices |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 699 | * @param swapSrcDst Whether or not the src and dst blending operations should be swapped |
| 700 | * @param ignoreTransform True if the current transform should be ignored |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 701 | * @param vbo The VBO used to draw the mesh |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 702 | * @param modelViewMode Defines whether the model view matrix should be scaled |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 703 | * @param dirty True if calling this method should dirty the current layer |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 704 | */ |
| 705 | void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 706 | float alpha, SkXfermode::Mode mode, bool blend, |
Romain Guy | 6820ac8 | 2010-09-15 18:11:50 -0700 | [diff] [blame] | 707 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 708 | bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 709 | ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 710 | |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 711 | void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, |
| 712 | float alpha, SkXfermode::Mode mode, bool blend, |
| 713 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
| 714 | bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 715 | ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 716 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 717 | void drawAlpha8TextureMesh(float left, float top, float right, float bottom, |
| 718 | GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, |
| 719 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 720 | bool ignoreTransform, ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, |
| 721 | bool dirty = true); |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 722 | |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 723 | /** |
Romain Guy | 448455f | 2013-07-22 13:57:50 -0700 | [diff] [blame] | 724 | * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. |
| 725 | * If the number of vertices to draw exceeds the number of indices we have |
| 726 | * pre-allocated, this method will generate several glDrawElements() calls. |
| 727 | */ |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 728 | void issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount); |
Romain Guy | 448455f | 2013-07-22 13:57:50 -0700 | [diff] [blame] | 729 | |
| 730 | /** |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 731 | * Draws text underline and strike-through if needed. |
| 732 | * |
| 733 | * @param text The text to decor |
| 734 | * @param bytesCount The number of bytes in the text |
Chris Craik | 4154182 | 2013-05-03 16:35:54 -0700 | [diff] [blame] | 735 | * @param totalAdvance The total advance in pixels, defines underline/strikethrough length |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 736 | * @param x The x coordinate where the text will be drawn |
| 737 | * @param y The y coordinate where the text will be drawn |
| 738 | * @param paint The paint to draw the text with |
| 739 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 740 | void drawTextDecorations(float totalAdvance, float x, float y, const SkPaint* paint); |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 741 | |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 742 | /** |
| 743 | * Draws shadow layer on text (with optional positions). |
| 744 | * |
| 745 | * @param paint The paint to draw the shadow with |
| 746 | * @param text The text to draw |
| 747 | * @param bytesCount The number of bytes in the text |
| 748 | * @param count The number of glyphs in the text |
| 749 | * @param positions The x, y positions of individual glyphs (or NULL) |
| 750 | * @param fontRenderer The font renderer object |
| 751 | * @param alpha The alpha value for drawing the shadow |
| 752 | * @param mode The xfermode for drawing the shadow |
| 753 | * @param x The x coordinate where the shadow will be drawn |
| 754 | * @param y The y coordinate where the shadow will be drawn |
| 755 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 756 | void drawTextShadow(const SkPaint* paint, const char* text, int bytesCount, int count, |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 757 | const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, |
| 758 | float x, float y); |
| 759 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 760 | /** |
| 761 | * Draws a path texture. Path textures are alpha8 bitmaps that need special |
| 762 | * compositing to apply colors/filters/etc. |
| 763 | * |
| 764 | * @param texture The texture to render |
| 765 | * @param x The x coordinate where the texture will be drawn |
| 766 | * @param y The y coordinate where the texture will be drawn |
| 767 | * @param paint The paint to draw the texture with |
| 768 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 769 | void drawPathTexture(const PathTexture* texture, float x, float y, const SkPaint* paint); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 770 | |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 771 | /** |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 772 | * Resets the texture coordinates stored in mMeshVertices. Setting the values |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 773 | * back to default is achieved by calling: |
| 774 | * |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 775 | * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 776 | * |
| 777 | * @param u1 The left coordinate of the texture |
| 778 | * @param v1 The bottom coordinate of the texture |
| 779 | * @param u2 The right coordinate of the texture |
| 780 | * @param v2 The top coordinate of the texture |
| 781 | */ |
| 782 | void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); |
| 783 | |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 784 | /** |
Romain Guy | 768bffc | 2013-02-27 13:50:45 -0800 | [diff] [blame] | 785 | * Returns true if the specified paint will draw invisible text. |
| 786 | */ |
| 787 | bool canSkipText(const SkPaint* paint) const; |
| 788 | |
| 789 | /** |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 790 | * Binds the specified texture. The texture unit must have been selected |
| 791 | * prior to calling this method. |
Romain Guy | a1db574 | 2010-07-20 13:09:13 -0700 | [diff] [blame] | 792 | */ |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 793 | inline void bindTexture(GLuint texture) { |
Romain Guy | 8aa195d | 2013-06-04 18:00:09 -0700 | [diff] [blame] | 794 | mCaches.bindTexture(texture); |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 795 | } |
| 796 | |
| 797 | /** |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 798 | * Binds the specified EGLImage texture. The texture unit must have been selected |
| 799 | * prior to calling this method. |
| 800 | */ |
| 801 | inline void bindExternalTexture(GLuint texture) { |
Romain Guy | 8aa195d | 2013-06-04 18:00:09 -0700 | [diff] [blame] | 802 | mCaches.bindTexture(GL_TEXTURE_EXTERNAL_OES, texture); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | /** |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 806 | * Enable or disable blending as necessary. This function sets the appropriate |
| 807 | * blend function based on the specified xfermode. |
| 808 | */ |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 809 | inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, |
| 810 | bool swapSrcDst = false); |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 811 | |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 812 | /** |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 813 | * Use the specified program with the current GL context. If the program is already |
| 814 | * in use, it will not be bound again. If it is not in use, the current program is |
| 815 | * marked unused and the specified program becomes used and becomes the new |
| 816 | * current program. |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 817 | * |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 818 | * @param program The program to use |
| 819 | * |
| 820 | * @return true If the specified program was already in use, false otherwise. |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 821 | */ |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 822 | inline bool useProgram(Program* program); |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 823 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 824 | /** |
| 825 | * Invoked before any drawing operation. This sets required state. |
| 826 | */ |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 827 | void setupDraw(bool clear = true); |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 828 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 829 | /** |
| 830 | * Various methods to setup OpenGL rendering. |
| 831 | */ |
| 832 | void setupDrawWithTexture(bool isAlpha8 = false); |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 833 | void setupDrawWithTextureAndColor(bool isAlpha8 = false); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 834 | void setupDrawWithExternalTexture(); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 835 | void setupDrawNoTexture(); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 836 | void setupDrawAA(); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 837 | void setupDrawColor(int color, int alpha); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 838 | void setupDrawColor(float r, float g, float b, float a); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 839 | void setupDrawAlpha8Color(int color, int alpha); |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 840 | void setupDrawTextGamma(const SkPaint* paint); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 841 | void setupDrawShader(); |
| 842 | void setupDrawColorFilter(); |
| 843 | void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, |
| 844 | bool swapSrcDst = false); |
| 845 | void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, |
| 846 | bool swapSrcDst = false); |
| 847 | void setupDrawProgram(); |
| 848 | void setupDrawDirtyRegionsDisabled(); |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 849 | |
| 850 | /** |
| 851 | * Setup the current program matrices based upon the nature of the geometry. |
| 852 | * |
| 853 | * @param mode If kModelViewMode_Translate, the geometry must be translated by the left and top |
| 854 | * parameters. If kModelViewMode_TranslateAndScale, the geometry that exists in the (0,0, 1,1) |
| 855 | * space must be scaled up and translated to fill the quad provided in (l,t,r,b). These |
| 856 | * transformations are stored in the modelView matrix and uploaded to the shader. |
| 857 | * |
| 858 | * @param offset Set to true if the the matrix should be fudged (translated) slightly to disambiguate |
Chris Craik | 564acf7 | 2014-01-02 16:46:18 -0800 | [diff] [blame] | 859 | * geometry pixel positioning. See Vertex::GeometryFudgeFactor(). |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 860 | * |
| 861 | * @param ignoreTransform Set to true if l,t,r,b coordinates already in layer space, |
| 862 | * currentTransform() will be ignored. (e.g. when drawing clip in layer coordinates to stencil, |
| 863 | * or when simple translation has been extracted) |
| 864 | */ |
| 865 | void setupDrawModelView(ModelViewMode mode, bool offset, |
| 866 | float left, float top, float right, float bottom, bool ignoreTransform = false); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 867 | void setupDrawColorUniforms(); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 868 | void setupDrawPureColorUniforms(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 869 | void setupDrawShaderUniforms(bool ignoreTransform = false); |
| 870 | void setupDrawColorFilterUniforms(); |
| 871 | void setupDrawSimpleMesh(); |
| 872 | void setupDrawTexture(GLuint texture); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 873 | void setupDrawExternalTexture(GLuint texture); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 874 | void setupDrawTextureTransform(); |
| 875 | void setupDrawTextureTransformUniforms(mat4& transform); |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 876 | void setupDrawTextGammaUniforms(); |
Chris Craik | 564acf7 | 2014-01-02 16:46:18 -0800 | [diff] [blame] | 877 | void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords = NULL, GLuint vbo = 0); |
| 878 | void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords, const GLvoid* colors); |
| 879 | void setupDrawMeshIndices(const GLvoid* vertices, const GLvoid* texCoords, GLuint vbo = 0); |
Romain Guy | 448455f | 2013-07-22 13:57:50 -0700 | [diff] [blame] | 880 | void setupDrawIndexedVertices(GLvoid* vertices); |
Romain Guy | f09ef51 | 2011-05-27 11:43:46 -0700 | [diff] [blame] | 881 | void accountForClear(SkXfermode::Mode mode); |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 882 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 883 | bool updateLayer(Layer* layer, bool inFrame); |
| 884 | void updateLayers(); |
Romain Guy | 96885eb | 2013-03-26 15:05:58 -0700 | [diff] [blame] | 885 | void flushLayers(); |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 886 | |
Chris Craik | e63f7c62 | 2013-10-17 10:30:55 -0700 | [diff] [blame] | 887 | #if DEBUG_LAYERS_AS_REGIONS |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 888 | /** |
| 889 | * Renders the specified region as a series of rectangles. This method |
| 890 | * is used for debugging only. |
| 891 | */ |
Chris Craik | e63f7c62 | 2013-10-17 10:30:55 -0700 | [diff] [blame] | 892 | void drawRegionRectsDebug(const Region& region); |
| 893 | #endif |
Romain Guy | 3a3133d | 2011-02-01 22:59:58 -0800 | [diff] [blame] | 894 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 895 | /** |
| 896 | * Renders the specified region as a series of rectangles. The region |
| 897 | * must be in screen-space coordinates. |
| 898 | */ |
| 899 | void drawRegionRects(const SkRegion& region, int color, SkXfermode::Mode mode, |
| 900 | bool dirty = false); |
| 901 | |
| 902 | /** |
| 903 | * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS |
| 904 | * is turned on. |
| 905 | */ |
| 906 | void debugClip(); |
| 907 | |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 908 | void debugOverdraw(bool enable, bool clear); |
| 909 | void renderOverdraw(); |
Romain Guy | 78dd96d | 2013-05-03 14:24:16 -0700 | [diff] [blame] | 910 | void countOverdraw(); |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 911 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 912 | /** |
| 913 | * Should be invoked every time the glScissor is modified. |
| 914 | */ |
| 915 | inline void dirtyClip() { |
| 916 | mDirtyClip = true; |
| 917 | } |
| 918 | |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 919 | inline const UvMapper& getMapper(const Texture* texture) { |
| 920 | return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; |
| 921 | } |
| 922 | |
| 923 | /** |
| 924 | * Returns a texture object for the specified bitmap. The texture can |
| 925 | * come from the texture cache or an atlas. If this method returns |
| 926 | * NULL, the texture could not be found and/or allocated. |
| 927 | */ |
Chris Craik | d218a92 | 2014-01-02 17:13:34 -0800 | [diff] [blame] | 928 | Texture* getTexture(const SkBitmap* bitmap); |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 929 | |
Chris Craik | f57776b | 2013-10-25 18:30:17 -0700 | [diff] [blame] | 930 | // Matrix used for view/projection in shaders |
| 931 | mat4 mViewProjMatrix; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 932 | |
Chris Craik | 4063a0e | 2013-11-15 16:06:56 -0800 | [diff] [blame] | 933 | /** |
| 934 | * Model-view matrix used to position/size objects |
| 935 | * |
| 936 | * Stores operation-local modifications to the draw matrix that aren't incorporated into the |
| 937 | * currentTransform(). |
| 938 | * |
| 939 | * If generated with kModelViewMode_Translate, the mModelView will reflect an x/y offset, |
| 940 | * e.g. the offset in drawLayer(). If generated with kModelViewMode_TranslateAndScale, |
| 941 | * mModelView will reflect a translation and scale, e.g. the translation and scale required to |
| 942 | * make VBO 0 (a rect of (0,0,1,1)) scaled to match the x,y offset, and width/height of a |
| 943 | * bitmap. |
| 944 | * |
| 945 | * Used as input to SkiaShader transformation. |
| 946 | */ |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 947 | mat4 mModelView; |
| 948 | |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 949 | // State used to define the clipping region |
Chris Craik | 5f80362 | 2013-03-21 14:39:04 -0700 | [diff] [blame] | 950 | Rect mTilingClip; |
Romain Guy | 96885eb | 2013-03-26 15:05:58 -0700 | [diff] [blame] | 951 | // Is the target render surface opaque |
| 952 | bool mOpaque; |
| 953 | // Is a frame currently being rendered |
| 954 | bool mFrameStarted; |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 955 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 956 | // Used to draw textured quads |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 957 | TextureVertex mMeshVertices[4]; |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 958 | |
Romain Guy | 3b748a4 | 2013-04-17 18:54:38 -0700 | [diff] [blame] | 959 | // Default UV mapper |
| 960 | const UvMapper mUvMapper; |
| 961 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 962 | // shader, filters, and shadow |
| 963 | DrawModifiers mDrawModifiers; |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 964 | SkPaint mFilteredPaint; |
| 965 | |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 966 | // Various caches |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 967 | Caches& mCaches; |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 968 | Extensions& mExtensions; |
Romain Guy | 8694230 | 2010-09-12 13:02:16 -0700 | [diff] [blame] | 969 | |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 970 | // List of rectangles to clear after saveLayer() is invoked |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 971 | Vector<Rect*> mLayers; |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 972 | // List of functors to invoke after a frame is drawn |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 973 | SortedVector<Functor*> mFunctors; |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 974 | // List of layers to update at the beginning of a frame |
| 975 | Vector<Layer*> mLayerUpdates; |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 976 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 977 | // The following fields are used to setup drawing |
| 978 | // Used to describe the shaders to generate |
| 979 | ProgramDescription mDescription; |
| 980 | // Color description |
| 981 | bool mColorSet; |
| 982 | float mColorA, mColorR, mColorG, mColorB; |
| 983 | // Indicates that the shader should get a color |
| 984 | bool mSetShaderColor; |
| 985 | // Current texture unit |
| 986 | GLuint mTextureUnit; |
| 987 | // Track dirty regions, true by default |
| 988 | bool mTrackDirtyRegions; |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 989 | // Indicate whether we are drawing an opaque frame |
| 990 | bool mOpaqueFrame; |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 991 | |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 992 | // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in |
| 993 | // Properties.h |
| 994 | bool mScissorOptimizationDisabled; |
| 995 | |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 996 | // No-ops start/endTiling when set |
| 997 | bool mSuppressTiling; |
| 998 | |
Romain Guy | 78dd96d | 2013-05-03 14:24:16 -0700 | [diff] [blame] | 999 | // If true, this renderer will setup drawing to emulate |
| 1000 | // an increment stencil buffer in the color buffer |
| 1001 | bool mCountOverdraw; |
| 1002 | float mOverdraw; |
| 1003 | |
Romain Guy | b051e89 | 2010-09-28 19:09:36 -0700 | [diff] [blame] | 1004 | friend class DisplayListRenderer; |
Romain Guy | 96885eb | 2013-03-26 15:05:58 -0700 | [diff] [blame] | 1005 | friend class Layer; |
Romain Guy | 257ae35 | 2013-03-20 16:31:12 -0700 | [diff] [blame] | 1006 | friend class TextSetupFunctor; |
Romain Guy | 03c00b5 | 2013-06-20 18:30:28 -0700 | [diff] [blame] | 1007 | friend class DrawBitmapOp; |
| 1008 | friend class DrawPatchOp; |
Romain Guy | b051e89 | 2010-09-28 19:09:36 -0700 | [diff] [blame] | 1009 | |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 1010 | }; // class OpenGLRenderer |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 1011 | |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 1012 | }; // namespace uirenderer |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 1013 | }; // namespace android |
| 1014 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 1015 | #endif // ANDROID_HWUI_OPENGL_RENDERER_H |