OpenGLRenderer.h revision 77a811610f99e21da7f88dafef60d09f345d0506
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_OPENGL_RENDERER_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_OPENGL_RENDERER_H 199d5316e3f56d138504565ff311145ac01621dff4Romain Guy 209d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <GLES2/gl2.h> 219d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <GLES2/gl2ext.h> 2285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 23ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkBitmap.h> 24f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 25ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkPaint.h> 26079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy#include <SkRegion.h> 27d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy#include <SkShader.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 29e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 30daf98e941e140e8739458126640183b9f296a2abChet Haase#include <utils/Functor.h> 31bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include <utils/RefBase.h> 328694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 33bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 34c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 3551769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 36f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 375cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 38bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 395cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 40f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 4106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 42db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 43fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 44bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 45e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 469d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 48f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 49f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 50f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 51f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 520fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 53b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 545cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 59e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 6085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy OpenGLRenderer(); 61e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 62e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 63b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 64e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 657d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy void prepare(bool opaque); 667d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy virtual void prepareDirty(float left, float top, float right, float bottom, bool opaque); 67e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void finish(); 68e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy // These two calls must not be recorded in display lists 70daf98e941e140e8739458126640183b9f296a2abChet Haase virtual void interrupt(); 71daf98e941e140e8739458126640183b9f296a2abChet Haase virtual void resume(); 726c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 73cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy virtual bool callDrawGLFunction(Functor *functor, Rect& dirty); 7408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 75bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int getSaveCount() const; 764aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 774aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 784aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 79bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 80e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 815c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 82e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 83e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 84bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 854aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 864aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 874aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 88807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 89f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 9041030da16856c8869e1e51d4a0405432fa96614eRomain Guy const float* getMatrix() const; 91f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy void getMatrix(SkMatrix* matrix); 924aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 934aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 94f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 959d5316e3f56d138504565ff311145ac01621dff4Romain Guy const Rect& getClipBounds(); 96c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy bool quickReject(float left, float top, float right, float bottom); 974aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 98bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 997b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy virtual bool drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 1007b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level = 0); 101ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 102ada830f639591b99c3e40de22b07296c7932a33fRomain Guy virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint); 1035c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 1045c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 105e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 106e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1075c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 1085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 1104aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1114bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1125c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 113e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawColor(int color, SkXfermode::Mode mode); 1145c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); 11501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawRoundRect(float left, float top, float right, float bottom, 11601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 11701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawCircle(float x, float y, float radius, SkPaint* paint); 118c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy virtual void drawOval(float left, float top, float right, float bottom, SkPaint* paint); 1198b2f5267f16c295f12faab810527cd6311997e34Romain Guy virtual void drawArc(float left, float top, float right, float bottom, 1208b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 121e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawPath(SkPath* path, SkPaint* paint); 1225c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawLines(float* points, int count, SkPaint* paint); 123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy virtual void drawPoints(float* points, int count, SkPaint* paint); 124e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 125e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy SkPaint* paint); 12685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1274aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1284aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 129d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1304aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1314aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 132db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1334aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1344aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 136e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 137e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 138e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 139e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 140e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 141e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 142e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 143e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 144e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 145e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 146e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 147694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 148ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 149f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 150ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 152ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 153ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 154f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 155ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 159ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 16042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 16142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 16242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 163f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 16742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 16842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 16942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 170f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 171f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1731bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 17442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 17542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 17642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 17742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 17842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 17942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 18042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 18177a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 18277a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 18377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 18477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 18577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 18677a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 18777a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 18877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 18908ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1905cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1935cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1945cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1958aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 1968aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 1975cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1985cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1998aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 2005cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 2035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2042542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 2055cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 206bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2085cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 2105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 212bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 213bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2145cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 215d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 216d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 217d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 218d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 219d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 220d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 221d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 222d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 223d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 224d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 225eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 226d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 227d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 228d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 229d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 230eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 231d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 232d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 2335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 26054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 26154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 26254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 26354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 26454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 26554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 26654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 267f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 268f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 269f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 270f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 271f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 272f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 273f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 274f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 275f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 276f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 277f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 278f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 279f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 2805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 288026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 2893d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 2905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 2915cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 292026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 2931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 2945cbbce535744b89df5ecea95de21ee3733298260Romain Guy 29554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 29654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 29754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 29854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 29954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 30054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 30154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 30254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 30354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 30454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 30554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 306c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 30754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 30854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 30954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 31054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 31154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 31254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 31354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 31454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 31554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 31654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 31754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 31854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 319c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 320c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 32154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 32254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 32354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 32454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 32554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 32654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 32754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 32854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 32954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 330a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 331a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 33254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 33354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 33454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 33554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 33654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 33754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 33854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 33954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 34054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 34154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 342858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 343858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 344858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 3455cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3465cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 3475cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 3485cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3495cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 3505cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 3515cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3525cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3535cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 3545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 355d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 356c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 3575cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 358bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 359a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 360c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 361026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 36282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 36382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 36482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 36582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 36682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 36782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 36882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 36982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 37082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 37182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 372a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 3738164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 37482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 37582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 37603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 37703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 37803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 37982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 38082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 38182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 38282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 38382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 38482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 38582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 38682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 38782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 38882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 38982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 39082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 391f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 392f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 39303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 3945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 3955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 396f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 397f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 398a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 3996820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 4005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 4015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 402f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 403f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 4040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 4050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 4060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 4070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 4080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 4090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 4100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 4110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 4120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 4130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 4140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 4151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 41654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 41754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 41854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 41954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 42054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 42154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 42254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 42354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 42454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 42501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 42601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 4271e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 428ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 429026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 430026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 4318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 432026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 433026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 434026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 435026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 436026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 437026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 438026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 439026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 4408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 4418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 4428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 4438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 4448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 4458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 4468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 4478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 4485c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 4498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 450f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 451746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 452746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 453a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 454746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 455746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 456746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 457746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 458746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 459aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 460aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 461aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 462aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 463aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 464aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 465aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 466aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 467746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Sets the wrap modes for the specified texture. The wrap modes are modified 468746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * only when needed. 469746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 470746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT); 471a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 472a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 47382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 47482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 47582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 476f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 477f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 478a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 479f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 480f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 481f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 482f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 483a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 48482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 485260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 486d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 487d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 488d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 489d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 4906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 491d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 492d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 493d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 494260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 495889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 496260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 497746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 498746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 499746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 50054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 50170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 50270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 50370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 50470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 505aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 5065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 507ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 50870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 5098d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 51070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 51186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 51286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 51370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 51470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 51570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 51670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 51770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 51870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 51970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 52070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 5218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 52270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 52370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 52470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 52570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 526ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 52770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 52886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 5298d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 53070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 53170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 53270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 53370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 534aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 5358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 5368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 5378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 5385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 53999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 54099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float strokeWidth); 54170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 542f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 543746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 5443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 5453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 546746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 547746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 548746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 549746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 550746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 551746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 552746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 553bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 554bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 555bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 55685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 557260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 558bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 559c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 560c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 561c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 562bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 563bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 564f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 565ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 566bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 567bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 5689d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5699d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 57006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 571026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 572db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 573db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 574db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 575026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 576ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 577ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 5781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 5791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 5801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 5821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 5831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 5841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 58582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 586fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 5878694230ff25fa0a60e480d424843e56b718f0516Romain Guy 58854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // List of rectagnles to clear after saveLayer() is invoked 58954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 59054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 59199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 59299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 59399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 594746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 595746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 596746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 59770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 59870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 59970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 60070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 60170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 60270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 60370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 60470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 60570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 60670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 60770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 60870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 60970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Texture coordinates slot 61070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy int mTexCoordsSlot; 61170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 612b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 613b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 614bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 615e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6169d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 617e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 618e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 620