OpenGLRenderer.h revision f09ef51889f75289b041f9e9f949b7b82ed5b686
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); 1262ea75880142152b3a9993cb245754d73c05749a7Fabrice Di Meglio virtual void drawGlyphs(const char* glyphs, int index, int count, float x, float y, 1272ea75880142152b3a9993cb245754d73c05749a7Fabrice Di Meglio SkPaint* paint); 12885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1294aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1304aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 131d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1324aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1334aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 134db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1354aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1364aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 138e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 139e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 140e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 141e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 142e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 143e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 144e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 145e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 146e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 147e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 148e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 149694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 150ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 151f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 152ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 153f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 154ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 155ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 156f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 157ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 160f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 161ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 16242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 16342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 16442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 167f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 168f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 16942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 17042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 17142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 174f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1751bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 17642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 17742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 17842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 17942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 18042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 18142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 18242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 18308ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1845cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1898aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 1908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 1915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1925cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 1945cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1955cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1965cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 1975cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1982542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 1995cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 200bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 201bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2025cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 2045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 2055cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 206bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2085cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 209d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 210d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 211d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 212d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 213d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 214d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 215d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 216d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 217d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 218d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 219eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 220d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 221d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 222d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 223d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 224eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 225d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 226d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 2275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 254aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 255aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 257f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 258f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 259f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 260f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 261f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 262f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 263f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 264f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 265f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 266f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 267f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 268f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 269f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 2705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2735cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2745cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2755cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2765cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2775cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 278026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 2793d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 2805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 2815cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 282026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 2831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 2845cbbce535744b89df5ecea95de21ee3733298260Romain Guy 285c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 286c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 287c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 288a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 289a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 290858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 291858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 292858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2935cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2945cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 2955cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2965cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2975cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2985cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2995cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3005cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 3025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 303d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 304c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 3055cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 306bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 307a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 308c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 309026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 31082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 31182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 31282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 31382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 31482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 31582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 31682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 31782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 31882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 31982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 320a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 3218164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 32282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 32382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 32403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 32503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 32603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 32782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 32882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 32982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 33082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 33182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 33282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 33382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 33482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 33582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 33682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 33782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 33882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 339f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 340f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 34103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 3425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 3435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 344f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 345f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 346a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 3476820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 3495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 350f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 351f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 3520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 3530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 3540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 3550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 3560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 3570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 3580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 3590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 3600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 3610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 3620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 3631e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 36401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 36501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3661e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 367ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 368026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 369026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 3708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 371026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 372026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 373026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 374026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 375026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 376026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 377026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 378026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 3798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 3808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 3818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 3828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 3838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 3848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 3858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 3868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 3875c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 3888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 389f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 390746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 391746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 392a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 393746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 394746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 395746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 396746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 397746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 398aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 399aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 400aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 401aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 402aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 403aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 404aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 405aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 406746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Sets the wrap modes for the specified texture. The wrap modes are modified 407746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * only when needed. 408746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 409746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT); 410a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 411a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy /** 41282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 41382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 41482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 415f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 416f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 417a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 418f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 419f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 420f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 421f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 422a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 42382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 424260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 425d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 426d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 427d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 428d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 4296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 430d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 431d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 432d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 433260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 434889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 435260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 436746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 437746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 438746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 439746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy void setupDraw(); 44070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 44170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 44270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 44370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 444aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 4455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 446ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 44770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 4488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 44970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 45086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 45186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 45270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 45370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 45470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 45570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 45670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 45770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 45870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 45970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 4608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 46170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 46270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 46370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 46470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 465ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 46670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 46786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 4688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 46970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 47070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 47170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 47270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 473aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 4748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 4758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 4768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 4775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 47899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 47999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float strokeWidth); 48070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 481f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 482746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 4833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 4843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 485746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 486746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 487746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 488746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 489746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 490746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 491746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 492bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 493bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 494bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 49585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 496260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 497bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 498c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 499c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 500c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 501bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 502bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 503f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 504ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 505bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 506bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 5079d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5089d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 50906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 510026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 511db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 512db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 513db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 514026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 515ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 516ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 5171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 5181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 5191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 5211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 5221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 5231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 52482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 525fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 5268694230ff25fa0a60e480d424843e56b718f0516Romain Guy 52799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 52899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 52999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 530746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 531746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 532746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 53370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 53470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 53570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 53670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 53770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 53870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 53970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 54070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 54170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 54270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 54370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 54470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 54570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Texture coordinates slot 54670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy int mTexCoordsSlot; 54770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 548b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 549b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 550bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 551e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 5529d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 553e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 554e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 556