OpenGLRenderer.h revision 7953745dd565167113f8cbfc461bc0521d32d870
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 347953745dd565167113f8cbfc461bc0521d32d870Romain Guy#include <cutils/compiler.h> 357953745dd565167113f8cbfc461bc0521d32d870Romain Guy 36c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 3751769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 38f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 395cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 40bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 415cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 42f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 4306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 44db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 45fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 46bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 47e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 489d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 49e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 50f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 51f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 52f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 53f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 540fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 55b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 565cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 595cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 6085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 61e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 627953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API OpenGLRenderer(); 63e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 64e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 65b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 66e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 677953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void prepare(bool opaque); 687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy virtual void prepareDirty(float left, float top, float right, float bottom, bool opaque); 69e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void finish(); 70e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy // These two calls must not be recorded in display lists 72daf98e941e140e8739458126640183b9f296a2abChet Haase virtual void interrupt(); 73daf98e941e140e8739458126640183b9f296a2abChet Haase virtual void resume(); 746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 75cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy virtual bool callDrawGLFunction(Functor *functor, Rect& dirty); 7608ae317c21ec3086b5017672bba87420cc38a407Romain Guy 777953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 784aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 794aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 804aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 81bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 82e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 835c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 84e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 85e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 86bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 874aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 884aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 894aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 90807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 91f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 927953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 934aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 944aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 95f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 967953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 977953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 984aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 99bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1007b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy virtual bool drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 1017b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level = 0); 102ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 103ada830f639591b99c3e40de22b07296c7932a33fRomain Guy virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint); 1045c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 1055c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 106e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 107e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1085c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 1095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 1114aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1124bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1135c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 114e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawColor(int color, SkXfermode::Mode mode); 1155c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); 11601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawRoundRect(float left, float top, float right, float bottom, 11701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 11801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy virtual void drawCircle(float x, float y, float radius, SkPaint* paint); 119c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy virtual void drawOval(float left, float top, float right, float bottom, SkPaint* paint); 1208b2f5267f16c295f12faab810527cd6311997e34Romain Guy virtual void drawArc(float left, float top, float right, float bottom, 1218b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 122e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawPath(SkPath* path, SkPaint* paint); 1235c13d89c1332fcc499379b9064b891187b75ca32Chet Haase virtual void drawLines(float* points, int count, SkPaint* paint); 124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy virtual void drawPoints(float* points, int count, SkPaint* paint); 125e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 126e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy SkPaint* paint); 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1284aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1294aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 130d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1314aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1324aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 133db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1344aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1354aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 137e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 138e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 139e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 140e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 141e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 142e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 143e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 144e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 145e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 146e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 147e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 148694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 149ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 150f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 151ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 152f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 153ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 154ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 155f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 156ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 157f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 158f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 159f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 160ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 16142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 16242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 16342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 164f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 165f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 166f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 167f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 16842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 16942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 17042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 171f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 172f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 173f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1741bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 17542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 17642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 17742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 17842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 17942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 18042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 18142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 18277a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 18377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 18477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 18577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 18677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 18777a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 18877a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 18977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 19008ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 1915cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 1935cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 1945cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 1955cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 1968aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 1978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 1985cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 1995cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 2008aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2025cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 2045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 2065cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 208bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2095cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 2125cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 213bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 214bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2155cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 216d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 217d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 218d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 219d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 220d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 221d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 222d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 223d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 224d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 225d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 226eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 227d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 228d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 229d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 230d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 231eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 232d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 233d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 2345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 2355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 2375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 2385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 2395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 2405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 2425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 2435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 2465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 2515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 2535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 2545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 2555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 2575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 2585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 2605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 26154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 26254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 26354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 26454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 26554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 26654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 26754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 268f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 269f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 270f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 271f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 272f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 273f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 274f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 275f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 276f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 277f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 278f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 279f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 280f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 2815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 2825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 2835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 2845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 2855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 2865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 2875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 2885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 289026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 2903d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 2915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 2925cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 293026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 2941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 2955cbbce535744b89df5ecea95de21ee3733298260Romain Guy 29654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 29754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 29854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 29954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 30054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 30154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 30254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 30354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 30454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 30554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 30654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 307c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 30854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 30954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 31054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 31154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 31254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 31354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 31454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 31554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 31654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 31754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 31854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 31954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 320c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy void drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 321c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 32254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 32354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 32454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 32554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 32654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 32754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 32854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 32954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 33054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 331a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 332a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 33354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 33454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 33554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 33654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 33754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 33854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 33954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 34054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 34154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 34254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 343858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 344858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 345858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 3465cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3475cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 3485cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 3495cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3505cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 3515cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 3525cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 3535cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 3545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 3555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 356d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 357c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 3585cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 359bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 360a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 361c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 362026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 36382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 36482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 36582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 36682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 36782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 36882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 36982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 37082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 37182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 37282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 373a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 3748164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 37582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 37682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 37703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 37803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 37903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 38082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 38182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 38282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 38382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 38482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 38582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 38682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 38782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 38882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 38982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 39082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 39182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 392f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 393f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 39403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 3955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 3965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 397f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 398f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 399a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 4006820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 4015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 4025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 403f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 404f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 4050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 4060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 4070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 4080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 4090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 4100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 4110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 4120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 4130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 4140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 4150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 4161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 41754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 41854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 41954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 42054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 42154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 42254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 42354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 42454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 42554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 42601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 42701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 4281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 429ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 430026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 431026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 4328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 433026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 434026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 435026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 436026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 437026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 438026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 439026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 440026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 4418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 4428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 4438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 4448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * 4458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param paint The paint to extract values from 4468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param alpha Where to store the resulting alpha 4478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * @param mode Where to store the resulting xfermode 4488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy */ 4495c13d89c1332fcc499379b9064b891187b75ca32Chet Haase inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 4508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 451f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 452746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 453746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 454a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 455746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 456746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 457746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 458746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 459746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 460aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 461aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 462aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 463aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 464aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 465aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 466aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 467aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 46882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 46982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 47082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 471f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 472f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 473a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 474f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 475f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Safely retrieves the mode from the specified xfermode. If the specified 476f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 477f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 478a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy inline SkXfermode::Mode getXfermode(SkXfermode* mode); 47982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 480260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy /** 481d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 482d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 483d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 484d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 4856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 486d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 487d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 488d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 489260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 490889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 491260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 492746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 493746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 494746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 49554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 49670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 49770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 49870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 49970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 500aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 5015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 502ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 50370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 5048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 50570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 50686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 50786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(float r, float g, float b, float a); 50870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 50970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 51070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 51170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 51270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 51370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 51470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 51570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 5168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 51770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 51870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 51970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 52070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 521ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 52270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 52386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 5248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 52570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 52670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 52770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 52870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 529aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 5308f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 5318f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 5328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 5335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 53499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 53599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float strokeWidth); 53670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 537f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 538746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 5393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 5403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 541746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 542746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 543746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 544746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 545746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 546746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 547746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 548bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 549bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 550bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 55185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 552260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 553bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 554c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 555c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 556c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 557bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 558bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 559f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 560ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 561bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 562bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 5639d5316e3f56d138504565ff311145ac01621dff4Romain Guy 5649d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 56506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 566026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 567db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 568db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 569db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 570026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 571ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 572ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 5731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 5741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 5751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 5761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 5771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 5781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 5791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 58082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 581fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 5828694230ff25fa0a60e480d424843e56b718f0516Romain Guy 58354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // List of rectagnles to clear after saveLayer() is invoked 58454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 58554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 58699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 58799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 58899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 589746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 590746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 591746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 59270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 59370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 59470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 59570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 59670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 59770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 59870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 59970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 60070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 60170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 60270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 60370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 60470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Texture coordinates slot 60570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy int mTexCoordsSlot; 60670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 607b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 608b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 609bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 610e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6119d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 612e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 613e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 615