OpenGLRenderer.h revision cb4d6009576cf08195dc23f341a3f4939c0878bb
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> 32ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy#include <utils/SortedVector.h> 338694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 34bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 357953745dd565167113f8cbfc461bc0521d32d870Romain Guy#include <cutils/compiler.h> 367953745dd565167113f8cbfc461bc0521d32d870Romain Guy 37c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 3851769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 39f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 405cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 41bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 425cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 43f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 4406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 45db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 46fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 47bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 48e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 499d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 50e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 51f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 52f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 53f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 54f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 550fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 56b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 575cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 605cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 6185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 62e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 637953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API OpenGLRenderer(); 64e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 65e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 6617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 6787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy * Read externally defined properties to control the behavior 6887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy * of the renderer. 6987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy */ 7087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy ANDROID_API void initProperties(); 7187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 7287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy /** 7317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates whether this renderer executes drawing commands immediately. 7417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * If this method returns true, the drawing commands will be executed 7517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * later. 7617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 7749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy virtual bool isDeferred(); 7849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 7917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 8017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the dimension of the underlying drawing surface. This method must 8117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * be called at least once every time the drawing surface changes size. 8217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 8317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param width The width in pixels of the underlysing surface 8417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param height The height in pixels of the underlysing surface 8517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 86b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 87e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 8817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 8917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 9017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. When this method is invoked, the 9117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * entire drawing surface is assumed to be redrawn. 9217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 9317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 9417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 9517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared 9617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 9744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase ANDROID_API int prepare(bool opaque); 9817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 9917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 10017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 10117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. Only the specified rectangle of the 10217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * frame is assumed to be dirty. A clip will automatically be set to 10317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the specified rectangle. 10417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 10517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param left The left coordinate of the dirty rectangle 10617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param top The top coordinate of the dirty rectangle 10717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param right The right coordinate of the dirty rectangle 10817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param bottom The bottom coordinate of the dirty rectangle 10917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 11017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 11117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared in the specified dirty rectangle 11217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 11344b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase virtual int prepareDirty(float left, float top, float right, float bottom, bool opaque); 114e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 11517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 11617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates the end of a frame. This method must be invoked whenever 11717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the caller is done rendering a frame. 11817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 11917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 1206c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 121c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 122c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked before handing control over to a draw functor. 123c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * See callDrawGLFunction() for instance. 124c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 125c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 126c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 127c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void interrupt(); 128c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 129c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 130c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked after getting control back from a draw functor. 131c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 132c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 133c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 134c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void resume(); 135c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 1368f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 137ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void detachFunctor(Functor* functor); 138ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void attachFunctor(Functor* functor); 1398f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 14008ae317c21ec3086b5017672bba87420cc38a407Romain Guy 14111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void pushLayerUpdate(Layer* layer); 14211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void clearLayerUpdates(); 14311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1447953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 1454aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 1464aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 1474aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 149e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 1505c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 151e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 152e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 153bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1544aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 1554aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 1564aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 157807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 158f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1597953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 1604aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 1614aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 162f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1637953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 1647953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 1658a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool quickRejectNoScissor(float left, float top, float right, float bottom); 1664aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 167a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase virtual Rect* getClipRect(); 168bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1691271e2cc80b01d577e9db339459ef0222bb9320dChet Haase virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags, 1701271e2cc80b01d577e9db339459ef0222bb9320dChet Haase uint32_t level = 0); 171ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 172486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLayer(Layer* layer, float x, float y, SkPaint* paint); 173486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 174486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 175486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 176e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1775c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 178486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); 179486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 181486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1824bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1835c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 184be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 185be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 186be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode); 187486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 188486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); 189486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 19001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 191486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); 192486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); 193486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 1948b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 195486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPath(SkPath* path, SkPaint* paint); 196486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLines(float* points, int count, SkPaint* paint); 197486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPoints(float* points, int count, SkPaint* paint); 198486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 199325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint); 200486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 201325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy const float* positions, SkPaint* paint); 202c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 203996e57c84368058be793897ebc355b917a59abc2Raph Levien const float* positions, SkPaint* paint, float length = -1.0f); 20485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2054aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 2064aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 207d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2084aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 2094aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 210db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2114aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 2124aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 2131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 2155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 2165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint* filterPaint(SkPaint* paint); 2185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 21917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 22017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the alpha on the current snapshot. This alpha value will be modulated 22117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 22217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 22317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy void setAlpha(float alpha) { 22417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy mSnapshot->alpha = alpha; 22517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 22617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 22717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 22817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 22917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 23017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 23117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 23213631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 23317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 23417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 23517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 23617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 23713631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 23813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 239d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 240d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 241d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 242d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * not multiply the paint's alpha by the current snapshot's alpha. 243d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 244d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 245d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 246d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 247d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 248d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 249d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase if (paint) { 250d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *mode = getXfermode(paint->getXfermode()); 251d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 252d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase // Skia draws using the color's alpha channel if < 255 253d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase // Otherwise, it uses the paint's alpha 254d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase int color = paint->getColor(); 255d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *alpha = (color >> 24) & 0xFF; 256d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase if (*alpha == 255) { 257d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *alpha = paint->getAlpha(); 258d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 259d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } else { 260d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *mode = SkXfermode::kSrcOver_Mode; 261d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *alpha = 255; 262d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 263d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 264d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 265e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 266e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 26735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Computes the projection matrix, initialize the first snapshot 26835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * and stores the dimensions of the render target. 26935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 27035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void initViewport(int width, int height); 27135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 27235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 27335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 27435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 27535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 27635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 27735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 278e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 279e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 280e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 281e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 282e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 283e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 284e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 285e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 286e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 287694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 288ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 289f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 290ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 291f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 292ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 293ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 294f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 295ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 296f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 297f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 298f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 299ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 30042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 30142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 30242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 303f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 304f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 305f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 306f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 30742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 30842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 30942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 310f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 311f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 312f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 3131bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 31442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 31542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 31642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 31742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 31842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 31942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 32042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 32177a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 32277a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 32377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 32477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 32577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 32677a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 32777a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 32877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 329be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 330be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 331be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 332be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 333be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 334be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 335be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 336be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 337be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 338be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 339be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 340be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Safely retrieves the mode from the specified xfermode. If the specified 341be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 342be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 343be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { 344be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode resultMode; 345be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (!SkXfermode::AsMode(mode, &resultMode)) { 346be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy resultMode = SkXfermode::kSrcOver_Mode; 347be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 348be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return resultMode; 349be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 350be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 35111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 35211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 35311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 35411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy virtual bool suppressErrorChecks() { 35511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 35611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 35711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 35808ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 3595cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 360ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 361ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 362ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 363ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 364ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 365ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 3662b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 3672b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 3682b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 3692b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 37057b5268708c3b974296c7d4e58a02a957979224aRomain Guy void startTiling(const sp<Snapshot>& snapshot, bool opaque = false); 3712b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3722b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 3732b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 3742b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 3752b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 3762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 3772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 3782b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 3795cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 3805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 3815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 3825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 3848aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 3855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 3865cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 3878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 3885cbbce535744b89df5ecea95de21ee3733298260Romain Guy 3895cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 3915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3922542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 3935cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 394bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 395bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3965cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3975cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 3985cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 3995cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 400bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 401bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4025cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 40335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Performs a quick reject but does not affect the scissor. Returns 40435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * the transformed rect to test and the current clip. 40535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 40635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy bool quickRejectNoScissor(float left, float top, float right, float bottom, 40735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip); 40835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 40935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 410cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * Performs a quick reject but adjust the bounds to account for stroke width if necessary 411cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik */ 412cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik bool quickRejectPreStroke(float left, float top, float right, float bottom, SkPaint* paint); 413cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 414cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik /** 415d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 416d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 417d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 418d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 419d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 420d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 421d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 422d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 423d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 424d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 425eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 426d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 427d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 428d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 429d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 430eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 431d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 432d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 4335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 4345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 4355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 4365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 4375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 4385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 4395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 440d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo); 4415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 4435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 4445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 4455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 4465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 4495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 4515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 4535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 4545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 4555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 4565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 4585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 45954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 46054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 46154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 46254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 46354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 46454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 46554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 466f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 467f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 468f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 469f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 470f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 471f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 472f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 473f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 474f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 475f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 476f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 477f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 478f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 4795cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 4805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 4815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 4825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 4835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 4845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 4855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 4865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 487026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 4883d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 4895cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 490026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 4925cbbce535744b89df5ecea95de21ee3733298260Romain Guy 49354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 49454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 49554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 49654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 49754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 49854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 49954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 50054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 50154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 50254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 50354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 504486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 50554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 50654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 50754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 50854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 50954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 51054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 51154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 51254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 51354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 51454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 515a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 516a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 51754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 518710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 51954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 520710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 521cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 52254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 523cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik void drawConvexPath(const SkPath& path, SkPaint* paint); 524858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 5255cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5265cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 5275cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 5285cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 5295cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 5305cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 5315cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 5325cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 5335cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 5345cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 535d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 536c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 5375cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 538bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 539a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 540c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 541026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 54282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 54382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 54482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 54582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 54682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 54782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 54882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 54982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 55082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 55182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 552a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 5538164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 55482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 55582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 55603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 55703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 55803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 55982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 56082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 56182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 56282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 56382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 56482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 56582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 56682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 56782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 56882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 56982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 57082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 571f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 572f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 57303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 576f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 577f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 578a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 5796820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 582f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 583f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 5840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 5850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 5860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 5870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 5880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 5890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 5900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 5910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 5920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 5930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 5940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 5951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 596416a847633680d94efb926837efdc18726d54918Raph Levien /** 597416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 598416a847633680d94efb926837efdc18726d54918Raph Levien * 599416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 600416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 601416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 602416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 603416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 604416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 605416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 606416a847633680d94efb926837efdc18726d54918Raph Levien * @param mode The xfermode for drawing the shadow 607416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 608416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 609416a847633680d94efb926837efdc18726d54918Raph Levien */ 610416a847633680d94efb926837efdc18726d54918Raph Levien void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 611416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 612416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 613416a847633680d94efb926837efdc18726d54918Raph Levien 61454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 61554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 61654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 61754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 61854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 61954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 62054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 62154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 62254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 623416a847633680d94efb926837efdc18726d54918Raph Levien void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 62401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 6251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 626ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 627026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 628026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 6298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 630026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 631026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 632026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 633026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 634026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 635026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 636026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 637026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 6388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 639746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 640746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 641a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 642746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 643746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 644746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 645746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 646746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 648aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 649aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 650aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 651aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 652aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 653aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 65582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 65682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 65782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 658f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 659f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 660a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 661f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 662d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 663d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 664d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 665d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 6666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 667d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 668d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 669d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 670260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 671889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 672260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 673746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 674746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 675746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 67654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 67717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 67870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 67970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 68070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 68170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 682aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 68315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 684710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawAA(); 685710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawVertexShape(); 686ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 68770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 6888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 68970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 69086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 6914121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 69270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 69370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 69470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 69570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 69670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 69770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 69870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 69970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 7008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 70170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 70270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 70370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 70470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 705ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 70670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 70786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 7088d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 70970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 71070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 71170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 71270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 713aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 7148f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 7158f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 7164121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 7178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 71815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 7195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 72099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 7217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy float strokeWidth, int& widthSlot, int& lengthSlot); 7227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy void finishDrawAALine(const int widthSlot, const int lengthSlot); 72370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 724f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 725746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 72611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 72711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 72811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 72917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 73017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 73117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 73217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 7333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 7343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7357c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 7367c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 7377c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 738746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 739746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 740746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 741746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 742746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 743746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 744746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 745bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 746bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 747bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 74885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 749260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 750bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 751c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 752c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 753c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 754bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 755bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 756f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 757ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 758bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 759bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 7602b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 7612b7028eabac80cec170572bc0e945a1d4224e595Romain Guy sp<Snapshot> mTilingSnapshot; 7629d5316e3f56d138504565ff311145ac01621dff4Romain Guy 7639d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 76406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 765026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 766db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 767db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 768db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 769026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 770ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 771ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 7721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 7731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 7741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 7751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 7761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 7771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 7781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 7795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy // Draw filters 7805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy bool mHasDrawFilter; 7815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterClearBits; 7825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterSetBits; 7835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 7845ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 78582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 786fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 7878694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7888f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 78954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 7908f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 791ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> mFunctors; 79211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 79311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Vector<Layer*> mLayerUpdates; 79454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 79599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 79699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 79799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 798746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 799746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 800746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 80170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 80270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 80370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 80470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 80570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 80670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 80770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 80870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 80970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 81070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 81170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 81270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 8132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 8142b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 81570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 81687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 81787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 81887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 81987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 820b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 821b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 822bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 823e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8249d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 825e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 826e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 828