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 | c15008e | 2010-11-10 11:59:15 -0800 | [diff] [blame] | 37 | #include "Debug.h" |
Romain Guy | 51769a6 | 2010-07-23 00:28:00 -0700 | [diff] [blame] | 38 | #include "Extensions.h" |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 39 | #include "Matrix.h" |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 40 | #include "Program.h" |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 41 | #include "Rect.h" |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 42 | #include "Snapshot.h" |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 43 | #include "Vertex.h" |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 44 | #include "SkiaShader.h" |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 45 | #include "SkiaColorFilter.h" |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 46 | #include "Caches.h" |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 47 | |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 48 | namespace android { |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 49 | namespace uirenderer { |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 50 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 51 | struct DrawModifiers { |
| 52 | SkiaShader* mShader; |
| 53 | SkiaColorFilter* mColorFilter; |
| 54 | |
| 55 | // Drop shadow |
| 56 | bool mHasShadow; |
| 57 | float mShadowRadius; |
| 58 | float mShadowDx; |
| 59 | float mShadowDy; |
| 60 | int mShadowColor; |
| 61 | |
| 62 | // Draw filters |
| 63 | bool mHasDrawFilter; |
| 64 | int mPaintFilterClearBits; |
| 65 | int mPaintFilterSetBits; |
| 66 | }; |
| 67 | |
| 68 | struct DeferredDisplayState { |
| 69 | Rect mBounds; // local bounds, mapped with matrix to be in screen space coordinates, clipped. |
| 70 | int mMultipliedAlpha; // -1 if invalid (because caching not set) |
| 71 | |
| 72 | // the below are set and used by the OpenGLRenderer at record and deferred playback |
| 73 | Rect mClip; |
| 74 | mat4 mMatrix; |
| 75 | SkiaShader* mShader; |
| 76 | DrawModifiers mDrawModifiers; |
| 77 | }; |
| 78 | |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 79 | /////////////////////////////////////////////////////////////////////////////// |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 80 | // Renderer |
| 81 | /////////////////////////////////////////////////////////////////////////////// |
| 82 | |
Romain Guy | 0fe478e | 2010-11-08 12:08:41 -0800 | [diff] [blame] | 83 | class DisplayList; |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 84 | class VertexBuffer; |
Romain Guy | b051e89 | 2010-09-28 19:09:36 -0700 | [diff] [blame] | 85 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 86 | /** |
| 87 | * OpenGL renderer used to draw accelerated 2D graphics. The API is a |
| 88 | * simplified version of Skia's Canvas API. |
| 89 | */ |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 90 | class OpenGLRenderer { |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 91 | public: |
Romain Guy | 7953745 | 2011-10-12 13:48:51 -0700 | [diff] [blame] | 92 | ANDROID_API OpenGLRenderer(); |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 93 | virtual ~OpenGLRenderer(); |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 94 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 95 | /** |
Romain Guy | ef35927 | 2013-01-31 19:07:29 -0800 | [diff] [blame] | 96 | * Sets the name of this renderer. The name is optional and |
| 97 | * empty by default. If the pointer is null the name is set |
| 98 | * to the empty string. |
| 99 | */ |
| 100 | ANDROID_API void setName(const char* name); |
| 101 | |
| 102 | /** |
| 103 | * Returns the name of this renderer as UTF8 string. |
| 104 | * The returned pointer is never null. |
| 105 | */ |
| 106 | ANDROID_API const char* getName() const; |
| 107 | |
| 108 | /** |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 109 | * Read externally defined properties to control the behavior |
| 110 | * of the renderer. |
| 111 | */ |
| 112 | ANDROID_API void initProperties(); |
| 113 | |
| 114 | /** |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 115 | * Indicates whether this renderer executes drawing commands immediately. |
| 116 | * If this method returns true, the drawing commands will be executed |
| 117 | * later. |
| 118 | */ |
Romain Guy | 49c5fc0 | 2012-05-15 11:10:01 -0700 | [diff] [blame] | 119 | virtual bool isDeferred(); |
| 120 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 121 | /** |
| 122 | * Sets the dimension of the underlying drawing surface. This method must |
| 123 | * be called at least once every time the drawing surface changes size. |
| 124 | * |
| 125 | * @param width The width in pixels of the underlysing surface |
| 126 | * @param height The height in pixels of the underlysing surface |
| 127 | */ |
Romain Guy | b051e89 | 2010-09-28 19:09:36 -0700 | [diff] [blame] | 128 | virtual void setViewport(int width, int height); |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 129 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 130 | /** |
| 131 | * Prepares the renderer to draw a frame. This method must be invoked |
| 132 | * at the beginning of each frame. When this method is invoked, the |
| 133 | * entire drawing surface is assumed to be redrawn. |
| 134 | * |
| 135 | * @param opaque If true, the target surface is considered opaque |
| 136 | * and will not be cleared. If false, the target surface |
| 137 | * will be cleared |
| 138 | */ |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 139 | ANDROID_API status_t prepare(bool opaque); |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 140 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 141 | /** |
| 142 | * Prepares the renderer to draw a frame. This method must be invoked |
| 143 | * at the beginning of each frame. Only the specified rectangle of the |
| 144 | * frame is assumed to be dirty. A clip will automatically be set to |
| 145 | * the specified rectangle. |
| 146 | * |
| 147 | * @param left The left coordinate of the dirty rectangle |
| 148 | * @param top The top coordinate of the dirty rectangle |
| 149 | * @param right The right coordinate of the dirty rectangle |
| 150 | * @param bottom The bottom coordinate of the dirty rectangle |
| 151 | * @param opaque If true, the target surface is considered opaque |
| 152 | * and will not be cleared. If false, the target surface |
| 153 | * will be cleared in the specified dirty rectangle |
| 154 | */ |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 155 | 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] | 156 | |
| 157 | /** |
| 158 | * Indicates the end of a frame. This method must be invoked whenever |
| 159 | * the caller is done rendering a frame. |
| 160 | */ |
| 161 | virtual void finish(); |
Romain Guy | 6c319ca | 2011-01-11 14:29:25 -0800 | [diff] [blame] | 162 | |
Romain Guy | c89b14b | 2012-08-08 14:53:48 -0700 | [diff] [blame] | 163 | /** |
| 164 | * This method must be invoked before handing control over to a draw functor. |
| 165 | * See callDrawGLFunction() for instance. |
| 166 | * |
| 167 | * This command must not be recorded inside display lists. |
| 168 | */ |
| 169 | virtual void interrupt(); |
| 170 | |
| 171 | /** |
| 172 | * This method must be invoked after getting control back from a draw functor. |
| 173 | * |
| 174 | * This command must not be recorded inside display lists. |
| 175 | */ |
| 176 | virtual void resume(); |
| 177 | |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 178 | ANDROID_API status_t invokeFunctors(Rect& dirty); |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 179 | ANDROID_API void detachFunctor(Functor* functor); |
| 180 | ANDROID_API void attachFunctor(Functor* functor); |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 181 | virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); |
Romain Guy | 08ae317 | 2010-06-21 19:35:50 -0700 | [diff] [blame] | 182 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 183 | ANDROID_API void pushLayerUpdate(Layer* layer); |
| 184 | ANDROID_API void clearLayerUpdates(); |
| 185 | |
Romain Guy | 7953745 | 2011-10-12 13:48:51 -0700 | [diff] [blame] | 186 | ANDROID_API int getSaveCount() const; |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 187 | virtual int save(int flags); |
| 188 | virtual void restore(); |
| 189 | virtual void restoreToCount(int saveCount); |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 190 | |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 191 | virtual int saveLayer(float left, float top, float right, float bottom, |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 192 | SkPaint* p, int flags); |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 193 | virtual int saveLayerAlpha(float left, float top, float right, float bottom, |
| 194 | int alpha, int flags); |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 195 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 196 | virtual void translate(float dx, float dy); |
| 197 | virtual void rotate(float degrees); |
| 198 | virtual void scale(float sx, float sy); |
Romain Guy | 807daf7 | 2011-01-18 11:19:19 -0800 | [diff] [blame] | 199 | virtual void skew(float sx, float sy); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 200 | |
Chris Craik | b98a016 | 2013-02-21 11:30:22 -0800 | [diff] [blame] | 201 | bool hasRectToRectTransform(); |
Romain Guy | 7953745 | 2011-10-12 13:48:51 -0700 | [diff] [blame] | 202 | ANDROID_API void getMatrix(SkMatrix* matrix); |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 203 | virtual void setMatrix(SkMatrix* matrix); |
| 204 | virtual void concatMatrix(SkMatrix* matrix); |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 205 | |
Romain Guy | 7953745 | 2011-10-12 13:48:51 -0700 | [diff] [blame] | 206 | ANDROID_API const Rect& getClipBounds(); |
| 207 | ANDROID_API bool quickReject(float left, float top, float right, float bottom); |
Romain Guy | 8a4ac61 | 2012-07-17 17:32:48 -0700 | [diff] [blame] | 208 | bool quickRejectNoScissor(float left, float top, float right, float bottom); |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 209 | virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 210 | virtual bool clipPath(SkPath* path, SkRegion::Op op); |
| 211 | virtual bool clipRegion(SkRegion* region, SkRegion::Op op); |
Chet Haase | a23eed8 | 2012-04-12 15:19:04 -0700 | [diff] [blame] | 212 | virtual Rect* getClipRect(); |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 213 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 214 | virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags); |
| 215 | virtual void outputDisplayList(DisplayList* displayList); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 216 | virtual status_t drawLayer(Layer* layer, float x, float y, SkPaint* paint); |
| 217 | virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); |
| 218 | virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); |
| 219 | virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 220 | float srcRight, float srcBottom, float dstLeft, float dstTop, |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 221 | float dstRight, float dstBottom, SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 222 | virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); |
| 223 | virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, |
Romain Guy | 5a7b466 | 2011-01-20 19:09:30 -0800 | [diff] [blame] | 224 | float* vertices, int* colors, SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 225 | virtual status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, |
Romain Guy | 4bb9420 | 2010-10-12 15:59:26 -0700 | [diff] [blame] | 226 | 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] | 227 | float left, float top, float right, float bottom, SkPaint* paint); |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 228 | status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, |
| 229 | const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, |
| 230 | float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 231 | virtual status_t drawColor(int color, SkXfermode::Mode mode); |
| 232 | virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); |
| 233 | virtual status_t drawRoundRect(float left, float top, float right, float bottom, |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 234 | float rx, float ry, SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 235 | virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); |
| 236 | virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); |
| 237 | virtual status_t drawArc(float left, float top, float right, float bottom, |
Romain Guy | 8b2f526 | 2011-01-23 16:15:02 -0800 | [diff] [blame] | 238 | float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 239 | virtual status_t drawPath(SkPath* path, SkPaint* paint); |
| 240 | virtual status_t drawLines(float* points, int count, SkPaint* paint); |
| 241 | virtual status_t drawPoints(float* points, int count, SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 242 | virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, |
Romain Guy | 325740f | 2012-02-24 16:48:34 -0800 | [diff] [blame] | 243 | float hOffset, float vOffset, SkPaint* paint); |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 244 | virtual status_t drawPosText(const char* text, int bytesCount, int count, |
Romain Guy | 325740f | 2012-02-24 16:48:34 -0800 | [diff] [blame] | 245 | const float* positions, SkPaint* paint); |
Romain Guy | c252595 | 2012-07-27 16:41:22 -0700 | [diff] [blame] | 246 | virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, |
Raph Levien | 996e57c | 2012-07-23 15:22:52 -0700 | [diff] [blame] | 247 | const float* positions, SkPaint* paint, float length = -1.0f); |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 248 | virtual status_t drawRects(const float* rects, int count, SkPaint* paint); |
Romain Guy | 08ae317 | 2010-06-21 19:35:50 -0700 | [diff] [blame] | 249 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 250 | virtual void resetShader(); |
| 251 | virtual void setupShader(SkiaShader* shader); |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 252 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 253 | virtual void resetColorFilter(); |
| 254 | virtual void setupColorFilter(SkiaColorFilter* filter); |
Romain Guy | db1938e | 2010-08-02 18:50:22 -0700 | [diff] [blame] | 255 | |
Romain Guy | 4aa9057 | 2010-09-26 18:40:37 -0700 | [diff] [blame] | 256 | virtual void resetShadow(); |
| 257 | virtual void setupShadow(float radius, float dx, float dy, int color); |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 258 | |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 259 | virtual void resetPaintFilter(); |
| 260 | virtual void setupPaintFilter(int clearBits, int setBits); |
| 261 | |
Romain Guy | 758724f | 2013-02-27 11:53:12 -0800 | [diff] [blame] | 262 | SkPaint* filterPaint(SkPaint* paint, bool alwaysCopy = false); |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 263 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 264 | bool disallowDeferral() { |
| 265 | // returns true if the OpenGLRenderer's state can be completely represented by |
| 266 | // a DeferredDisplayState object |
| 267 | return !mSnapshot->clipRegion->isEmpty() || |
| 268 | mSnapshot->alpha < 1.0 || |
| 269 | (mSnapshot->flags & Snapshot::kFlagIsLayer) || |
| 270 | (mSnapshot->flags & Snapshot::kFlagFboTarget); // ensure we're not in a layer |
| 271 | } |
| 272 | |
| 273 | bool disallowReorder() { return mDrawReorderDisabled; } |
| 274 | |
| 275 | bool storeDisplayState(DeferredDisplayState& state); |
| 276 | void restoreDisplayState(const DeferredDisplayState& state); |
| 277 | |
| 278 | const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } |
| 279 | void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } |
| 280 | |
Romain Guy | 672433d | 2013-01-04 19:05:13 -0800 | [diff] [blame] | 281 | ANDROID_API bool isCurrentTransformSimple() { |
| 282 | return mSnapshot->transform->isSimple(); |
| 283 | } |
| 284 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 285 | /** |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 286 | * Sets the alpha on the current snapshot. This alpha value will be modulated |
| 287 | * with other alpha values when drawing primitives. |
| 288 | */ |
| 289 | void setAlpha(float alpha) { |
| 290 | mSnapshot->alpha = alpha; |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Inserts a named group marker in the stream of GL commands. This marker |
| 295 | * can be used by tools to group commands into logical groups. A call to |
| 296 | * this method must always be followed later on by a call to endMark(). |
| 297 | */ |
Romain Guy | 13631f3 | 2012-01-30 17:41:55 -0800 | [diff] [blame] | 298 | void startMark(const char* name) const; |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 299 | |
| 300 | /** |
| 301 | * Closes the last group marker opened by startMark(). |
| 302 | */ |
Romain Guy | 13631f3 | 2012-01-30 17:41:55 -0800 | [diff] [blame] | 303 | void endMark() const; |
| 304 | |
Chet Haase | d15ebf2 | 2012-09-05 11:40:29 -0700 | [diff] [blame] | 305 | /** |
| 306 | * Gets the alpha and xfermode out of a paint object. If the paint is null |
| 307 | * alpha will be 255 and the xfermode will be SRC_OVER. This method does |
| 308 | * not multiply the paint's alpha by the current snapshot's alpha. |
| 309 | * |
| 310 | * @param paint The paint to extract values from |
| 311 | * @param alpha Where to store the resulting alpha |
| 312 | * @param mode Where to store the resulting xfermode |
| 313 | */ |
| 314 | static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { |
| 315 | if (paint) { |
| 316 | *mode = getXfermode(paint->getXfermode()); |
| 317 | |
| 318 | // Skia draws using the color's alpha channel if < 255 |
| 319 | // Otherwise, it uses the paint's alpha |
| 320 | int color = paint->getColor(); |
| 321 | *alpha = (color >> 24) & 0xFF; |
| 322 | if (*alpha == 255) { |
| 323 | *alpha = paint->getAlpha(); |
| 324 | } |
| 325 | } else { |
| 326 | *mode = SkXfermode::kSrcOver_Mode; |
| 327 | *alpha = 255; |
| 328 | } |
| 329 | } |
| 330 | |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 331 | protected: |
| 332 | /** |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 333 | * Computes the projection matrix, initialize the first snapshot |
| 334 | * and stores the dimensions of the render target. |
| 335 | */ |
| 336 | void initViewport(int width, int height); |
| 337 | |
| 338 | /** |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 339 | * Clears the underlying surface if needed. |
| 340 | */ |
| 341 | virtual status_t clear(float left, float top, float right, float bottom, bool opaque); |
| 342 | |
| 343 | /** |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 344 | * Call this method after updating a layer during a drawing pass. |
| 345 | */ |
| 346 | void resumeAfterLayer(); |
| 347 | |
| 348 | /** |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 349 | * This method is called whenever a stencil buffer is required. Subclasses |
| 350 | * should override this method and call attachStencilBufferToLayer() on the |
| 351 | * appropriate layer(s). |
| 352 | */ |
| 353 | virtual void ensureStencilBuffer(); |
| 354 | |
| 355 | /** |
| 356 | * Obtains a stencil render buffer (allocating it if necessary) and |
| 357 | * attaches it to the specified layer. |
| 358 | */ |
| 359 | void attachStencilBufferToLayer(Layer* layer); |
| 360 | |
| 361 | /** |
Romain Guy | e2d345e | 2010-09-24 18:39:22 -0700 | [diff] [blame] | 362 | * Compose the layer defined in the current snapshot with the layer |
| 363 | * defined by the previous snapshot. |
| 364 | * |
| 365 | * The current snapshot *must* be a layer (flag kFlagIsLayer set.) |
| 366 | * |
| 367 | * @param curent The current snapshot containing the layer to compose |
| 368 | * @param previous The previous snapshot to compose the current layer with |
| 369 | */ |
| 370 | virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); |
Romain Guy | 694b519 | 2010-07-21 21:33:20 -0700 | [diff] [blame] | 371 | |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 372 | /** |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 373 | * Marks the specified region as dirty at the specified bounds. |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 374 | */ |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 375 | void dirtyLayerUnchecked(Rect& bounds, Region* region); |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 376 | |
| 377 | /** |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 378 | * Returns the current snapshot. |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 379 | */ |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 380 | sp<Snapshot> getSnapshot() { |
| 381 | return mSnapshot; |
| 382 | } |
Romain Guy | ada830f | 2011-01-13 12:13:20 -0800 | [diff] [blame] | 383 | |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 384 | /** |
| 385 | * Returns the region of the current layer. |
| 386 | */ |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 387 | virtual Region* getRegion() { |
| 388 | return mSnapshot->region; |
| 389 | } |
| 390 | |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 391 | /** |
| 392 | * Indicates whether rendering is currently targeted at a layer. |
| 393 | */ |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 394 | virtual bool hasLayer() { |
| 395 | return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; |
| 396 | } |
Romain Guy | 1bd1bad | 2011-01-14 20:07:20 -0800 | [diff] [blame] | 397 | |
Romain Guy | 42f3a4b | 2011-01-19 13:42:26 -0800 | [diff] [blame] | 398 | /** |
| 399 | * Returns the name of the FBO this renderer is rendering into. |
| 400 | */ |
| 401 | virtual GLint getTargetFbo() { |
| 402 | return 0; |
| 403 | } |
| 404 | |
Romain Guy | 77a8116 | 2011-06-14 16:45:55 -0700 | [diff] [blame] | 405 | /** |
| 406 | * Renders the specified layer as a textured quad. |
| 407 | * |
| 408 | * @param layer The layer to render |
| 409 | * @param rect The bounds of the layer |
| 410 | */ |
| 411 | void drawTextureLayer(Layer* layer, const Rect& rect); |
| 412 | |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 413 | /** |
| 414 | * Gets the alpha and xfermode out of a paint object. If the paint is null |
| 415 | * alpha will be 255 and the xfermode will be SRC_OVER. |
| 416 | * |
| 417 | * @param paint The paint to extract values from |
| 418 | * @param alpha Where to store the resulting alpha |
| 419 | * @param mode Where to store the resulting xfermode |
| 420 | */ |
| 421 | inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); |
| 422 | |
| 423 | /** |
Romain Guy | be6f9dc | 2012-07-16 12:41:17 -0700 | [diff] [blame] | 424 | * Safely retrieves the mode from the specified xfermode. If the specified |
| 425 | * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. |
| 426 | */ |
| 427 | static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { |
| 428 | SkXfermode::Mode resultMode; |
| 429 | if (!SkXfermode::AsMode(mode, &resultMode)) { |
| 430 | resultMode = SkXfermode::kSrcOver_Mode; |
| 431 | } |
| 432 | return resultMode; |
| 433 | } |
| 434 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 435 | /** |
| 436 | * Set to true to suppress error checks at the end of a frame. |
| 437 | */ |
| 438 | virtual bool suppressErrorChecks() { |
| 439 | return false; |
| 440 | } |
| 441 | |
Romain Guy | 7c25aab | 2012-10-18 15:05:02 -0700 | [diff] [blame] | 442 | Caches& getCaches() { |
| 443 | return mCaches; |
| 444 | } |
| 445 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 446 | private: |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 447 | /** |
Romain Guy | dcfc836 | 2013-01-03 13:08:57 -0800 | [diff] [blame] | 448 | * Discards the content of the framebuffer if supported by the driver. |
| 449 | * This method should be called at the beginning of a frame to optimize |
| 450 | * rendering on some tiler architectures. |
| 451 | */ |
| 452 | void discardFramebuffer(float left, float top, float right, float bottom); |
| 453 | |
| 454 | /** |
Romain Guy | ddf7437 | 2012-05-22 14:07:07 -0700 | [diff] [blame] | 455 | * Ensures the state of the renderer is the same as the state of |
| 456 | * the GL context. |
| 457 | */ |
| 458 | void syncState(); |
| 459 | |
| 460 | /** |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 461 | * Tells the GPU what part of the screen is about to be redrawn. |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 462 | * This method will use the clip rect that we started drawing the |
| 463 | * frame with. |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 464 | * This method needs to be invoked every time getTargetFbo() is |
| 465 | * bound again. |
| 466 | */ |
Romain Guy | 57b5268 | 2012-09-20 17:38:46 -0700 | [diff] [blame] | 467 | void startTiling(const sp<Snapshot>& snapshot, bool opaque = false); |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 468 | |
| 469 | /** |
Romain Guy | c3fedaf | 2013-01-29 17:26:25 -0800 | [diff] [blame] | 470 | * Tells the GPU what part of the screen is about to be redrawn. |
| 471 | * This method needs to be invoked every time getTargetFbo() is |
| 472 | * bound again. |
| 473 | */ |
| 474 | void startTiling(const Rect& clip, int windowHeight, bool opaque = false); |
| 475 | |
| 476 | /** |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 477 | * Tells the GPU that we are done drawing the frame or that we |
| 478 | * are switching to another render target. |
| 479 | */ |
| 480 | void endTiling(); |
| 481 | |
| 482 | /** |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 483 | * Saves the current state of the renderer as a new snapshot. |
| 484 | * The new snapshot is saved in mSnapshot and the previous snapshot |
| 485 | * is linked from mSnapshot->previous. |
| 486 | * |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 487 | * @param flags The save flags; see SkCanvas for more information |
| 488 | * |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 489 | * @return The new save count. This value can be passed to #restoreToCount() |
| 490 | */ |
Romain Guy | 8aef54f | 2010-09-01 15:13:49 -0700 | [diff] [blame] | 491 | int saveSnapshot(int flags); |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 492 | |
| 493 | /** |
| 494 | * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. |
| 495 | * |
Romain Guy | 2542d19 | 2010-08-18 11:47:12 -0700 | [diff] [blame] | 496 | * @return True if the clip was modified. |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 497 | */ |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 498 | bool restoreSnapshot(); |
| 499 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 500 | /** |
| 501 | * Sets the clipping rectangle using glScissor. The clip is defined by |
| 502 | * the current snapshot's clipRect member. |
| 503 | */ |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 504 | void setScissorFromClip(); |
| 505 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 506 | /** |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 507 | * Sets the clipping region using the stencil buffer. The clip region |
| 508 | * is defined by the current snapshot's clipRegion member. |
| 509 | */ |
| 510 | void setStencilFromClip(); |
| 511 | |
| 512 | /** |
Romain Guy | 35643dd | 2012-09-18 15:40:58 -0700 | [diff] [blame] | 513 | * Performs a quick reject but does not affect the scissor. Returns |
| 514 | * the transformed rect to test and the current clip. |
| 515 | */ |
| 516 | bool quickRejectNoScissor(float left, float top, float right, float bottom, |
| 517 | Rect& transformed, Rect& clip); |
| 518 | |
| 519 | /** |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 520 | * Performs a quick reject but adjust the bounds to account for stroke width if necessary |
| 521 | */ |
| 522 | bool quickRejectPreStroke(float left, float top, float right, float bottom, SkPaint* paint); |
| 523 | |
| 524 | /** |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 525 | * Creates a new layer stored in the specified snapshot. |
| 526 | * |
| 527 | * @param snapshot The snapshot associated with the new layer |
| 528 | * @param left The left coordinate of the layer |
| 529 | * @param top The top coordinate of the layer |
| 530 | * @param right The right coordinate of the layer |
| 531 | * @param bottom The bottom coordinate of the layer |
| 532 | * @param alpha The translucency of the layer |
| 533 | * @param mode The blending mode of the layer |
| 534 | * @param flags The layer save flags |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 535 | * @param previousFbo The name of the current framebuffer |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 536 | * |
| 537 | * @return True if the layer was successfully created, false otherwise |
| 538 | */ |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 539 | bool createLayer(float left, float top, float right, float bottom, |
Romain Guy | eb99356 | 2010-10-05 18:14:38 -0700 | [diff] [blame] | 540 | int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 541 | |
| 542 | /** |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 543 | * Creates a new layer stored in the specified snapshot as an FBO. |
| 544 | * |
| 545 | * @param layer The layer to store as an FBO |
| 546 | * @param snapshot The snapshot associated with the new layer |
| 547 | * @param bounds The bounds of the layer |
| 548 | * @param previousFbo The name of the current framebuffer |
| 549 | */ |
Chet Haase | d48885a | 2012-08-28 17:43:28 -0700 | [diff] [blame] | 550 | bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo); |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 551 | |
| 552 | /** |
| 553 | * Compose the specified layer as a region. |
| 554 | * |
| 555 | * @param layer The layer to compose |
| 556 | * @param rect The layer's bounds |
| 557 | */ |
| 558 | void composeLayerRegion(Layer* layer, const Rect& rect); |
| 559 | |
| 560 | /** |
| 561 | * Compose the specified layer as a simple rectangle. |
| 562 | * |
| 563 | * @param layer The layer to compose |
| 564 | * @param rect The layer's bounds |
| 565 | * @param swap If true, the source and destination are swapped |
| 566 | */ |
| 567 | void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); |
| 568 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 569 | /** |
| 570 | * Clears all the regions corresponding to the current list of layers. |
| 571 | * This method MUST be invoked before any drawing operation. |
| 572 | */ |
| 573 | void clearLayerRegions(); |
| 574 | |
| 575 | /** |
Romain Guy | f219da5 | 2011-01-16 12:54:25 -0800 | [diff] [blame] | 576 | * Mark the layer as dirty at the specified coordinates. The coordinates |
| 577 | * are transformed with the supplied matrix. |
| 578 | */ |
| 579 | void dirtyLayer(const float left, const float top, |
| 580 | const float right, const float bottom, const mat4 transform); |
| 581 | |
| 582 | /** |
| 583 | * Mark the layer as dirty at the specified coordinates. |
| 584 | */ |
| 585 | void dirtyLayer(const float left, const float top, |
| 586 | const float right, const float bottom); |
| 587 | |
| 588 | /** |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 589 | * Draws a colored rectangle with the specified color. The specified coordinates |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 590 | * are transformed by the current snapshot's transform matrix unless specified |
| 591 | * otherwise. |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 592 | * |
| 593 | * @param left The left coordinate of the rectangle |
| 594 | * @param top The top coordinate of the rectangle |
| 595 | * @param right The right coordinate of the rectangle |
| 596 | * @param bottom The bottom coordinate of the rectangle |
| 597 | * @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] | 598 | * @param mode The Skia xfermode to use |
Romain Guy | 3d58c03 | 2010-07-14 16:34:53 -0700 | [diff] [blame] | 599 | * @param ignoreTransform True if the current transform should be ignored |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 600 | */ |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 601 | void drawColorRect(float left, float top, float right, float bottom, |
Romain Guy | 1c740bc | 2010-09-13 18:00:09 -0700 | [diff] [blame] | 602 | int color, SkXfermode::Mode mode, bool ignoreTransform = false); |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 603 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 604 | /** |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 605 | * Draws a series of colored rectangles with the specified color. The specified |
| 606 | * coordinates are transformed by the current snapshot's transform matrix unless |
| 607 | * specified otherwise. |
| 608 | * |
| 609 | * @param rects A list of rectangles, 4 floats (left, top, right, bottom) |
| 610 | * per rectangle |
| 611 | * @param color The rectangles' ARGB color, defined as a packed 32 bits word |
| 612 | * @param mode The Skia xfermode to use |
| 613 | * @param ignoreTransform True if the current transform should be ignored |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 614 | * @param dirty True if calling this method should dirty the current layer |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 615 | * @param clip True if the rects should be clipped, false otherwise |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 616 | */ |
| 617 | status_t drawColorRects(const float* rects, int count, int color, |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 618 | SkXfermode::Mode mode, bool ignoreTransform = false, |
| 619 | bool dirty = true, bool clip = true); |
Romain Guy | 735738c | 2012-12-03 12:34:51 -0800 | [diff] [blame] | 620 | |
| 621 | /** |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 622 | * Draws the shape represented by the specified path texture. |
| 623 | * This method invokes drawPathTexture() but takes into account |
| 624 | * the extra left/top offset and the texture offset to correctly |
| 625 | * position the final shape. |
| 626 | * |
| 627 | * @param left The left coordinate of the shape to render |
| 628 | * @param top The top coordinate of the shape to render |
| 629 | * @param texture The texture reprsenting the shape |
| 630 | * @param paint The paint to draw the shape with |
| 631 | */ |
Chet Haase | 4865909 | 2012-05-31 15:21:51 -0700 | [diff] [blame] | 632 | status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 633 | |
| 634 | /** |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 635 | * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey |
| 636 | * different compositing rules. |
| 637 | * |
| 638 | * @param texture The texture to draw with |
| 639 | * @param left The x coordinate of the bitmap |
| 640 | * @param top The y coordinate of the bitmap |
| 641 | * @param paint The paint to render with |
| 642 | */ |
Romain Guy | a168d73 | 2011-03-18 16:50:13 -0700 | [diff] [blame] | 643 | void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); |
| 644 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 645 | /** |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 646 | * Renders a strip of polygons with the specified paint, used for tessellated geometry. |
| 647 | * |
| 648 | * @param vertexBuffer The VertexBuffer to be drawn |
| 649 | * @param paint The paint to render with |
| 650 | * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) |
| 651 | */ |
| 652 | status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, |
| 653 | bool useOffset = false); |
| 654 | |
| 655 | /** |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 656 | * 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] | 657 | * |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 658 | * @param path The hull of the path to draw |
Chris Craik | cb4d600 | 2012-09-25 12:00:29 -0700 | [diff] [blame] | 659 | * @param paint The paint to render with |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 660 | */ |
Chris Craik | 65cd612 | 2012-12-10 17:56:27 -0800 | [diff] [blame] | 661 | status_t drawConvexPath(const SkPath& path, SkPaint* paint); |
Chet Haase | 858aa93 | 2011-05-12 09:06:00 -0700 | [diff] [blame] | 662 | |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 663 | /** |
| 664 | * Draws a textured rectangle with the specified texture. The specified coordinates |
| 665 | * are transformed by the current snapshot's transform matrix. |
| 666 | * |
| 667 | * @param left The left coordinate of the rectangle |
| 668 | * @param top The top coordinate of the rectangle |
| 669 | * @param right The right coordinate of the rectangle |
| 670 | * @param bottom The bottom coordinate of the rectangle |
| 671 | * @param texture The texture name to map onto the rectangle |
| 672 | * @param alpha An additional translucency parameter, between 0.0f and 1.0f |
Romain Guy | d55a861 | 2010-06-28 17:42:46 -0700 | [diff] [blame] | 673 | * @param mode The blending mode |
Romain Guy | c1396e9 | 2010-06-30 17:56:19 -0700 | [diff] [blame] | 674 | * @param blend True if the texture contains an alpha channel |
Romain Guy | 5cbbce5 | 2010-06-27 22:59:20 -0700 | [diff] [blame] | 675 | */ |
Romain Guy | bd6b79b | 2010-06-26 00:13:53 -0700 | [diff] [blame] | 676 | void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 677 | float alpha, SkXfermode::Mode mode, bool blend); |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 678 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 679 | /** |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 680 | * Draws a textured rectangle with the specified texture. The specified coordinates |
| 681 | * are transformed by the current snapshot's transform matrix. |
| 682 | * |
| 683 | * @param left The left coordinate of the rectangle |
| 684 | * @param top The top coordinate of the rectangle |
| 685 | * @param right The right coordinate of the rectangle |
| 686 | * @param bottom The bottom coordinate of the rectangle |
| 687 | * @param texture The texture to use |
| 688 | * @param paint The paint containing the alpha, blending mode, etc. |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 689 | */ |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 690 | void drawTextureRect(float left, float top, float right, float bottom, |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 691 | Texture* texture, SkPaint* paint); |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 692 | |
| 693 | /** |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 694 | * Draws a textured mesh with the specified texture. If the indices are omitted, |
| 695 | * the mesh is drawn as a simple quad. The mesh pointers become offsets when a |
| 696 | * VBO is bound. |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 697 | * |
| 698 | * @param left The left coordinate of the rectangle |
| 699 | * @param top The top coordinate of the rectangle |
| 700 | * @param right The right coordinate of the rectangle |
| 701 | * @param bottom The bottom coordinate of the rectangle |
| 702 | * @param texture The texture name to map onto the rectangle |
| 703 | * @param alpha An additional translucency parameter, between 0.0f and 1.0f |
| 704 | * @param mode The blending mode |
| 705 | * @param blend True if the texture contains an alpha channel |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 706 | * @param vertices The vertices that define the mesh |
| 707 | * @param texCoords The texture coordinates of each vertex |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 708 | * @param elementsCount The number of elements in the mesh, required by indices |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 709 | * @param swapSrcDst Whether or not the src and dst blending operations should be swapped |
| 710 | * @param ignoreTransform True if the current transform should be ignored |
Romain Guy | 03750a0 | 2010-10-18 14:06:08 -0700 | [diff] [blame] | 711 | * @param vbo The VBO used to draw the mesh |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 712 | * @param ignoreScale True if the model view matrix should not be scaled |
| 713 | * @param dirty True if calling this method should dirty the current layer |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 714 | */ |
| 715 | void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, |
Romain Guy | a979474 | 2010-07-13 11:37:54 -0700 | [diff] [blame] | 716 | float alpha, SkXfermode::Mode mode, bool blend, |
Romain Guy | 6820ac8 | 2010-09-15 18:11:50 -0700 | [diff] [blame] | 717 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 718 | bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, |
| 719 | bool ignoreScale = false, bool dirty = true); |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 720 | |
Romain Guy | 886b275 | 2013-01-04 12:26:18 -0800 | [diff] [blame] | 721 | void drawAlpha8TextureMesh(float left, float top, float right, float bottom, |
| 722 | GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, |
| 723 | GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, |
| 724 | bool ignoreTransform, bool dirty = true); |
| 725 | |
Romain Guy | f7f9355 | 2010-07-08 19:17:03 -0700 | [diff] [blame] | 726 | /** |
Romain Guy | 0a41749 | 2010-08-16 20:26:20 -0700 | [diff] [blame] | 727 | * Draws text underline and strike-through if needed. |
| 728 | * |
| 729 | * @param text The text to decor |
| 730 | * @param bytesCount The number of bytes in the text |
| 731 | * @param length The length in pixels of the text, can be <= 0.0f to force a measurement |
| 732 | * @param x The x coordinate where the text will be drawn |
| 733 | * @param y The y coordinate where the text will be drawn |
| 734 | * @param paint The paint to draw the text with |
| 735 | */ |
| 736 | void drawTextDecorations(const char* text, int bytesCount, float length, |
| 737 | float x, float y, SkPaint* paint); |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 738 | |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 739 | /** |
| 740 | * Draws shadow layer on text (with optional positions). |
| 741 | * |
| 742 | * @param paint The paint to draw the shadow with |
| 743 | * @param text The text to draw |
| 744 | * @param bytesCount The number of bytes in the text |
| 745 | * @param count The number of glyphs in the text |
| 746 | * @param positions The x, y positions of individual glyphs (or NULL) |
| 747 | * @param fontRenderer The font renderer object |
| 748 | * @param alpha The alpha value for drawing the shadow |
| 749 | * @param mode The xfermode for drawing the shadow |
| 750 | * @param x The x coordinate where the shadow will be drawn |
| 751 | * @param y The y coordinate where the shadow will be drawn |
| 752 | */ |
| 753 | void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, |
| 754 | const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, |
| 755 | float x, float y); |
| 756 | |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 757 | /** |
| 758 | * Draws a path texture. Path textures are alpha8 bitmaps that need special |
| 759 | * compositing to apply colors/filters/etc. |
| 760 | * |
| 761 | * @param texture The texture to render |
| 762 | * @param x The x coordinate where the texture will be drawn |
| 763 | * @param y The y coordinate where the texture will be drawn |
| 764 | * @param paint The paint to draw the texture with |
| 765 | */ |
Raph Levien | 416a847 | 2012-07-19 22:48:17 -0700 | [diff] [blame] | 766 | void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); |
Romain Guy | 01d58e4 | 2011-01-19 21:54:02 -0800 | [diff] [blame] | 767 | |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 768 | /** |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 769 | * Resets the texture coordinates stored in mMeshVertices. Setting the values |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 770 | * back to default is achieved by calling: |
| 771 | * |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 772 | * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 773 | * |
| 774 | * @param u1 The left coordinate of the texture |
| 775 | * @param v1 The bottom coordinate of the texture |
| 776 | * @param u2 The right coordinate of the texture |
| 777 | * @param v2 The top coordinate of the texture |
| 778 | */ |
| 779 | void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); |
| 780 | |
Romain Guy | 8ba548f | 2010-06-30 19:21:21 -0700 | [diff] [blame] | 781 | /** |
Romain Guy | 768bffc | 2013-02-27 13:50:45 -0800 | [diff] [blame] | 782 | * Returns true if the specified paint will draw invisible text. |
| 783 | */ |
| 784 | bool canSkipText(const SkPaint* paint) const; |
| 785 | |
| 786 | /** |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 787 | * Binds the specified texture. The texture unit must have been selected |
| 788 | * prior to calling this method. |
Romain Guy | a1db574 | 2010-07-20 13:09:13 -0700 | [diff] [blame] | 789 | */ |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 790 | inline void bindTexture(GLuint texture) { |
| 791 | glBindTexture(GL_TEXTURE_2D, texture); |
| 792 | } |
| 793 | |
| 794 | /** |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 795 | * Binds the specified EGLImage texture. The texture unit must have been selected |
| 796 | * prior to calling this method. |
| 797 | */ |
| 798 | inline void bindExternalTexture(GLuint texture) { |
| 799 | glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); |
| 800 | } |
| 801 | |
| 802 | /** |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 803 | * Enable or disable blending as necessary. This function sets the appropriate |
| 804 | * blend function based on the specified xfermode. |
| 805 | */ |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 806 | inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, |
| 807 | bool swapSrcDst = false); |
Romain Guy | a5aed0d | 2010-09-09 14:42:43 -0700 | [diff] [blame] | 808 | |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 809 | /** |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 810 | * Use the specified program with the current GL context. If the program is already |
| 811 | * in use, it will not be bound again. If it is not in use, the current program is |
| 812 | * marked unused and the specified program becomes used and becomes the new |
| 813 | * current program. |
Romain Guy | 6926c72 | 2010-07-12 20:20:03 -0700 | [diff] [blame] | 814 | * |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 815 | * @param program The program to use |
| 816 | * |
| 817 | * @return true If the specified program was already in use, false otherwise. |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 818 | */ |
Romain Guy | 889f8d1 | 2010-07-29 14:37:42 -0700 | [diff] [blame] | 819 | inline bool useProgram(Program* program); |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 820 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 821 | /** |
| 822 | * Invoked before any drawing operation. This sets required state. |
| 823 | */ |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 824 | void setupDraw(bool clear = true); |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 825 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 826 | /** |
| 827 | * Various methods to setup OpenGL rendering. |
| 828 | */ |
| 829 | void setupDrawWithTexture(bool isAlpha8 = false); |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 830 | void setupDrawWithTextureAndColor(bool isAlpha8 = false); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 831 | void setupDrawWithExternalTexture(); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 832 | void setupDrawNoTexture(); |
Chris Craik | 710f46d | 2012-09-17 17:25:49 -0700 | [diff] [blame] | 833 | void setupDrawAA(); |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 834 | void setupDrawPoint(float pointSize); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 835 | void setupDrawColor(int color, int alpha); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 836 | void setupDrawColor(float r, float g, float b, float a); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 837 | void setupDrawAlpha8Color(int color, int alpha); |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 838 | void setupDrawTextGamma(const SkPaint* paint); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 839 | void setupDrawShader(); |
| 840 | void setupDrawColorFilter(); |
| 841 | void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, |
| 842 | bool swapSrcDst = false); |
| 843 | void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, |
| 844 | bool swapSrcDst = false); |
| 845 | void setupDrawProgram(); |
| 846 | void setupDrawDirtyRegionsDisabled(); |
Chet Haase | 8a5cc92 | 2011-04-26 07:28:09 -0700 | [diff] [blame] | 847 | void setupDrawModelViewIdentity(bool offset = false); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 848 | void setupDrawModelView(float left, float top, float right, float bottom, |
| 849 | bool ignoreTransform = false, bool ignoreModelView = false); |
| 850 | void setupDrawModelViewTranslate(float left, float top, float right, float bottom, |
| 851 | bool ignoreTransform = false); |
Romain Guy | ed6fcb0 | 2011-03-21 13:11:28 -0700 | [diff] [blame] | 852 | void setupDrawPointUniforms(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 853 | void setupDrawColorUniforms(); |
Romain Guy | 8656819 | 2010-12-14 15:55:39 -0800 | [diff] [blame] | 854 | void setupDrawPureColorUniforms(); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 855 | void setupDrawShaderIdentityUniforms(); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 856 | void setupDrawShaderUniforms(bool ignoreTransform = false); |
| 857 | void setupDrawColorFilterUniforms(); |
| 858 | void setupDrawSimpleMesh(); |
| 859 | void setupDrawTexture(GLuint texture); |
Romain Guy | aa6c24c | 2011-04-28 18:40:04 -0700 | [diff] [blame] | 860 | void setupDrawExternalTexture(GLuint texture); |
Romain Guy | 8f0095c | 2011-05-02 17:24:22 -0700 | [diff] [blame] | 861 | void setupDrawTextureTransform(); |
| 862 | void setupDrawTextureTransformUniforms(mat4& transform); |
Romain Guy | 4121063 | 2012-07-16 17:04:24 -0700 | [diff] [blame] | 863 | void setupDrawTextGammaUniforms(); |
Romain Guy | 8d0d478 | 2010-12-14 20:13:35 -0800 | [diff] [blame] | 864 | void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); |
Romain Guy | ff316ec | 2013-02-13 18:39:43 -0800 | [diff] [blame] | 865 | void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors); |
Romain Guy | 15bc643 | 2011-12-13 13:11:32 -0800 | [diff] [blame] | 866 | void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); |
Chet Haase | 5b0200b | 2011-04-13 17:58:08 -0700 | [diff] [blame] | 867 | void setupDrawVertices(GLvoid* vertices); |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 868 | void finishDrawTexture(); |
Romain Guy | f09ef51 | 2011-05-27 11:43:46 -0700 | [diff] [blame] | 869 | void accountForClear(SkXfermode::Mode mode); |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 870 | |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 871 | bool updateLayer(Layer* layer, bool inFrame); |
| 872 | void updateLayers(); |
| 873 | |
Romain Guy | 17112ad | 2012-08-07 11:24:39 -0700 | [diff] [blame] | 874 | /** |
| 875 | * Renders the specified region as a series of rectangles. This method |
| 876 | * is used for debugging only. |
| 877 | */ |
Romain Guy | 3a3133d | 2011-02-01 22:59:58 -0800 | [diff] [blame] | 878 | void drawRegionRects(const Region& region); |
| 879 | |
Romain Guy | 8ce0030 | 2013-01-15 18:51:42 -0800 | [diff] [blame] | 880 | /** |
| 881 | * Renders the specified region as a series of rectangles. The region |
| 882 | * must be in screen-space coordinates. |
| 883 | */ |
| 884 | void drawRegionRects(const SkRegion& region, int color, SkXfermode::Mode mode, |
| 885 | bool dirty = false); |
| 886 | |
| 887 | /** |
| 888 | * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS |
| 889 | * is turned on. |
| 890 | */ |
| 891 | void debugClip(); |
| 892 | |
Romain Guy | 7c450aa | 2012-09-21 19:15:00 -0700 | [diff] [blame] | 893 | void debugOverdraw(bool enable, bool clear); |
| 894 | void renderOverdraw(); |
| 895 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 896 | /** |
| 897 | * Should be invoked every time the glScissor is modified. |
| 898 | */ |
| 899 | inline void dirtyClip() { |
| 900 | mDirtyClip = true; |
| 901 | } |
| 902 | |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 903 | // Dimensions of the drawing surface |
| 904 | int mWidth, mHeight; |
| 905 | |
Romain Guy | 85bf02f | 2010-06-22 13:11:24 -0700 | [diff] [blame] | 906 | // Matrix used for ortho projection in shaders |
Romain Guy | 260e102 | 2010-07-12 14:41:06 -0700 | [diff] [blame] | 907 | mat4 mOrthoMatrix; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 908 | |
Romain Guy | c7d5349 | 2010-06-25 13:41:57 -0700 | [diff] [blame] | 909 | // Model-view matrix used to position/size objects |
| 910 | mat4 mModelView; |
| 911 | |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 912 | // Number of saved states |
| 913 | int mSaveCount; |
Romain Guy | f6a11b8 | 2010-06-23 17:47:49 -0700 | [diff] [blame] | 914 | // Base state |
Romain Guy | ae5575b | 2010-07-29 18:48:04 -0700 | [diff] [blame] | 915 | sp<Snapshot> mFirstSnapshot; |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 916 | // Current state |
| 917 | sp<Snapshot> mSnapshot; |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 918 | // State used to define the clipping region |
| 919 | sp<Snapshot> mTilingSnapshot; |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 920 | |
Romain Guy | 026c5e16 | 2010-06-28 17:12:22 -0700 | [diff] [blame] | 921 | // Used to draw textured quads |
Romain Guy | ac670c0 | 2010-07-27 17:39:27 -0700 | [diff] [blame] | 922 | TextureVertex mMeshVertices[4]; |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 923 | |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 924 | // shader, filters, and shadow |
| 925 | DrawModifiers mDrawModifiers; |
Romain Guy | 5ff9df6 | 2012-01-23 17:09:05 -0800 | [diff] [blame] | 926 | SkPaint mFilteredPaint; |
| 927 | |
Romain Guy | 82ba814 | 2010-07-09 13:25:56 -0700 | [diff] [blame] | 928 | // Various caches |
Romain Guy | fb8b763 | 2010-08-23 21:05:08 -0700 | [diff] [blame] | 929 | Caches& mCaches; |
Romain Guy | 3bbacf2 | 2013-02-06 16:51:04 -0800 | [diff] [blame] | 930 | Extensions& mExtensions; |
Romain Guy | 8694230 | 2010-09-12 13:02:16 -0700 | [diff] [blame] | 931 | |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 932 | // List of rectangles to clear after saveLayer() is invoked |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 933 | Vector<Rect*> mLayers; |
Romain Guy | 8f3b8e3 | 2012-03-27 16:33:45 -0700 | [diff] [blame] | 934 | // List of functors to invoke after a frame is drawn |
Romain Guy | ba6be8a | 2012-04-23 18:22:09 -0700 | [diff] [blame] | 935 | SortedVector<Functor*> mFunctors; |
Romain Guy | 11cb642 | 2012-09-21 00:39:43 -0700 | [diff] [blame] | 936 | // List of layers to update at the beginning of a frame |
| 937 | Vector<Layer*> mLayerUpdates; |
Romain Guy | 54be1cd | 2011-06-13 19:04:27 -0700 | [diff] [blame] | 938 | |
Romain Guy | 746b740 | 2010-10-26 16:27:31 -0700 | [diff] [blame] | 939 | // Indicates whether the clip must be restored |
| 940 | bool mDirtyClip; |
| 941 | |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 942 | // The following fields are used to setup drawing |
| 943 | // Used to describe the shaders to generate |
| 944 | ProgramDescription mDescription; |
| 945 | // Color description |
| 946 | bool mColorSet; |
| 947 | float mColorA, mColorR, mColorG, mColorB; |
| 948 | // Indicates that the shader should get a color |
| 949 | bool mSetShaderColor; |
| 950 | // Current texture unit |
| 951 | GLuint mTextureUnit; |
| 952 | // Track dirty regions, true by default |
| 953 | bool mTrackDirtyRegions; |
Romain Guy | 2b7028e | 2012-09-19 17:25:38 -0700 | [diff] [blame] | 954 | // Indicate whether we are drawing an opaque frame |
| 955 | bool mOpaqueFrame; |
Romain Guy | 70ca14e | 2010-12-13 18:24:33 -0800 | [diff] [blame] | 956 | |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 957 | // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in |
| 958 | // Properties.h |
| 959 | bool mScissorOptimizationDisabled; |
Chris Craik | c3566d0 | 2013-02-04 16:16:33 -0800 | [diff] [blame] | 960 | bool mDrawDeferDisabled; |
| 961 | bool mDrawReorderDisabled; |
Romain Guy | 87e2f757 | 2012-09-24 11:37:12 -0700 | [diff] [blame] | 962 | |
Romain Guy | 54c1a64 | 2012-09-27 17:55:46 -0700 | [diff] [blame] | 963 | // No-ops start/endTiling when set |
| 964 | bool mSuppressTiling; |
| 965 | |
Romain Guy | ef35927 | 2013-01-31 19:07:29 -0800 | [diff] [blame] | 966 | // Optional name of the renderer |
| 967 | String8 mName; |
| 968 | |
Romain Guy | b051e89 | 2010-09-28 19:09:36 -0700 | [diff] [blame] | 969 | friend class DisplayListRenderer; |
| 970 | |
Romain Guy | bb9524b | 2010-06-22 18:56:38 -0700 | [diff] [blame] | 971 | }; // class OpenGLRenderer |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 972 | |
Romain Guy | 9d5316e | 2010-06-24 19:30:36 -0700 | [diff] [blame] | 973 | }; // namespace uirenderer |
Romain Guy | e4d0112 | 2010-06-16 18:44:05 -0700 | [diff] [blame] | 974 | }; // namespace android |
| 975 | |
Romain Guy | 5b3b352 | 2010-10-27 18:57:51 -0700 | [diff] [blame] | 976 | #endif // ANDROID_HWUI_OPENGL_RENDERER_H |