OpenGLRenderer.h revision d48885a6c8cd27a8a62552c33b5282e9882e19f6
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 /** 6717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates whether this renderer executes drawing commands immediately. 6817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * If this method returns true, the drawing commands will be executed 6917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * later. 7017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 7149c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy virtual bool isDeferred(); 7249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 7317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 7417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the dimension of the underlying drawing surface. This method must 7517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * be called at least once every time the drawing surface changes size. 7617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 7717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param width The width in pixels of the underlysing surface 7817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param height The height in pixels of the underlysing surface 7917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 80b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 81e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 8217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 8317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 8417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. When this method is invoked, the 8517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * entire drawing surface is assumed to be redrawn. 8617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 8717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 8817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 8917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared 9017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 9144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase ANDROID_API int prepare(bool opaque); 9217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 9317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 9417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 9517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. Only the specified rectangle of the 9617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * frame is assumed to be dirty. A clip will automatically be set to 9717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the specified rectangle. 9817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 9917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param left The left coordinate of the dirty rectangle 10017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param top The top coordinate of the dirty rectangle 10117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param right The right coordinate of the dirty rectangle 10217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param bottom The bottom coordinate of the dirty rectangle 10317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 10417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 10517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared in the specified dirty rectangle 10617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 10744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase virtual int prepareDirty(float left, float top, float right, float bottom, bool opaque); 108e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 10917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 11017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates the end of a frame. This method must be invoked whenever 11117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the caller is done rendering a frame. 11217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 11317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 1146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 115c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 116c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked before handing control over to a draw functor. 117c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * See callDrawGLFunction() for instance. 118c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 119c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 120c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 121c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void interrupt(); 122c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 123c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 124c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked after getting control back from a draw functor. 125c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 126c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 127c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 128c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void resume(); 129c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 1308f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 131ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void detachFunctor(Functor* functor); 132ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void attachFunctor(Functor* functor); 1338f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 13408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1357953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 1364aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 1374aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 1384aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 139bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 140e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 1415c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 142e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 143e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 144bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1454aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 1464aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 1474aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 148807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 149f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1507953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 1514aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 1524aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 153f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1547953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 1557953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 1568a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool quickRejectNoScissor(float left, float top, float right, float bottom); 1574aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 158a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase virtual Rect* getClipRect(); 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1601271e2cc80b01d577e9db339459ef0222bb9320dChet Haase virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags, 1611271e2cc80b01d577e9db339459ef0222bb9320dChet Haase uint32_t level = 0); 162ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 163486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLayer(Layer* layer, float x, float y, SkPaint* paint); 164486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 165486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 166486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 167e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1685c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 169486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); 170486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 172486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1734bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1745c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 175be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 176be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 177be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode); 178486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 179486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); 180486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 18101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 182486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); 183486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); 184486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 1858b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 186486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPath(SkPath* path, SkPaint* paint); 187486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLines(float* points, int count, SkPaint* paint); 188486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPoints(float* points, int count, SkPaint* paint); 189486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 190325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint); 191486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 192325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy const float* positions, SkPaint* paint); 193c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 194996e57c84368058be793897ebc355b917a59abc2Raph Levien const float* positions, SkPaint* paint, float length = -1.0f); 19585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1964aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1974aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 198d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1994aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 2004aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 201db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2024aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 2034aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 2041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 2065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 2075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint* filterPaint(SkPaint* paint); 2095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 21017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 21117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Returns the desired size for the stencil buffer. If the returned value 21217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is 0, then no stencil buffer is required. 21317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 214530041d3191ce817832a0108514617768e43cda6Romain Guy ANDROID_API static uint32_t getStencilSize(); 215530041d3191ce817832a0108514617768e43cda6Romain Guy 21617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 21717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the alpha on the current snapshot. This alpha value will be modulated 21817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 21917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 22017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy void setAlpha(float alpha) { 22117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy mSnapshot->alpha = alpha; 22217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 22317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 22417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 22517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 22617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 22717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 22817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 22913631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 23017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 23117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 23217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 23317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 23413631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 23513631f3da855f200a151e7837ed9f6b079622b58Romain Guy 236e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 237e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 238e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 239e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 240e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 241e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 242e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 243e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 244e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 245e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 246e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 247694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 248ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 249f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 250ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 251f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 252ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 253ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 254f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 255ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 256f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 257f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 258f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 259ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 26042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 26142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 26242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 263f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 264f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 265f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 266f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 26742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 26842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 26942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 270f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 271f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 272f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2731bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 27442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 27542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 27642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 27742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 27842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 27942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 28042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 28177a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 28277a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 28377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 28477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 28577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 28677a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 28777a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 28877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 289be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 290be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 291be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 292be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 293be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 294be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 295be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 296be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 297be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 298be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 299be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 300be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 301be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. This method does 302be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * not multiply the paint's alpha by the current snapshot's alpha. 303be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 304be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 305be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 306be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 307be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 308be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 309be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (paint) { 310be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *mode = getXfermode(paint->getXfermode()); 311be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 312be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy // Skia draws using the color's alpha channel if < 255 313be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy // Otherwise, it uses the paint's alpha 314be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int color = paint->getColor(); 315be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *alpha = (color >> 24) & 0xFF; 316be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (*alpha == 255) { 317be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *alpha = paint->getAlpha(); 318be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 319be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } else { 320be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *mode = SkXfermode::kSrcOver_Mode; 321be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *alpha = 255; 322be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 323be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 324be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 325be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 326be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Safely retrieves the mode from the specified xfermode. If the specified 327be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 328be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 329be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { 330be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode resultMode; 331be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (!SkXfermode::AsMode(mode, &resultMode)) { 332be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy resultMode = SkXfermode::kSrcOver_Mode; 333be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 334be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return resultMode; 335be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 336be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 33708ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 3385cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 339ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 340ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 341ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 342ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 343ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 344ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 3455cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 3465cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 3475cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 3485cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 3508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 3515cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 3525cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 3538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 3545cbbce535744b89df5ecea95de21ee3733298260Romain Guy 3555cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 3575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3582542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 3595cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 360bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3625cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3635cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 3645cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 3655cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 366bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3685cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 369d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 370d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 371d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 372d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 373d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 374d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 375d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 376d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 377d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 378d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 379eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 380d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 381d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 382d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 383d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 384eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 385d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 386d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 3875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 3885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 3895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 3905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 3915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 3925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 3935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 394d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo); 3955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 3975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 3985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 3995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 4005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 4015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 4035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 4055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 4065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 4075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 4085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 4095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 4105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 4125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 41354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 41454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 41554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 41654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 41754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 41854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 41954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 420f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 421f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 422f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 423f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 424f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 425f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 426f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 427f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 428f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 429f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 430f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 431f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 432f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 4335cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 4345cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 4355cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 4365cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 4375cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 4385cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 4395cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 4405cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 441026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 4423d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 4435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 4445cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 445026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 4461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 4475cbbce535744b89df5ecea95de21ee3733298260Romain Guy 44854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 44954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 45054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 45154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 45254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 45354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 45454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 45554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 45654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 45754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 45854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 459486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 46054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 46154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 46254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 46354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 46454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 46554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 46654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 46754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 46854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 46954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 47054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 47154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 472486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 473c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 47454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 47554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 47654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 47754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 47854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 47954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 48054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 48154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 48254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 483a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 484a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 48554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 48654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 48754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 48854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 48954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 49054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 49154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 49254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 49354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 49454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 495858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 496858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 497858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 4985cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 4995cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 5005cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 5015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 5025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 5035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 5045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 5055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 5065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 5075cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 508d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 509c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 5105cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 511bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 512a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 513c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 514026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 51582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 51682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 51782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 51882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 51982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 52082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 52182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 52282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 52382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 52482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 525a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 5268164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 52782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 52882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 52903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 53003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 53103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 53282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 53382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 53482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 53582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 53682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 53782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 53882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 53982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 54082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 54182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 54282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 54382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 544f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 545f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 54603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 549f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 550f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 551a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 5526820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 555f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 556f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 5570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 5580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 5590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 5600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 5610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 5620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 5630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 5640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 5650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 5660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 5670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 5681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 569416a847633680d94efb926837efdc18726d54918Raph Levien /** 570416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 571416a847633680d94efb926837efdc18726d54918Raph Levien * 572416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 573416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 574416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 575416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 576416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 577416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 578416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 579416a847633680d94efb926837efdc18726d54918Raph Levien * @param mode The xfermode for drawing the shadow 580416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 581416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 582416a847633680d94efb926837efdc18726d54918Raph Levien */ 583416a847633680d94efb926837efdc18726d54918Raph Levien void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 584416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 585416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 586416a847633680d94efb926837efdc18726d54918Raph Levien 58754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 58854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 58954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 59054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 59154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 59254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 59354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 59454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 59554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 596416a847633680d94efb926837efdc18726d54918Raph Levien void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 59701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 5981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 599ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 600026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 601026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 6028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 603026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 604026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 605026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 606026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 607026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 608026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 609026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 610026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 6118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 612746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 613746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 614a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 615746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 616746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 617746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 618746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 619746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 620aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 621aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 622aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 623aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 624aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 625aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 626aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 627aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 62882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 62982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 63082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 631f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 632f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 633a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 634f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 635d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 636d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 637d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 638d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 6396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 640d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 641d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 642d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 643260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 644889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 645260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 646746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 647746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 648746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 64954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 65017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 65170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 65270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 65370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 65470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 65615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 6575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 658ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 65970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 6608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 66170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 66286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 6634121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 66470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 66570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 66670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 66770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 66870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 66970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 67070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 67170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 6728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 67370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 67470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 67570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 67670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 677ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 67870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 67986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 6808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 68170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 68270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 68370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 68470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 685aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 6868f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 6878f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 6884121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 6898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 69015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 6915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 69299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 6937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy float strokeWidth, int& widthSlot, int& lengthSlot); 6947b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy void finishDrawAALine(const int widthSlot, const int lengthSlot); 69570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 696f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 697746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 69817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 69917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 70017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 70117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 7023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 7033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 704746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 705746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 706746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 707746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 708746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 709746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 710746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 711bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 712bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 713bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 71485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 715260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 716bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 717c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 718c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 719c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 720bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 721bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 722f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 723ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 724bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 725bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 7269d5316e3f56d138504565ff311145ac01621dff4Romain Guy 7279d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 72806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 729026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 730db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 731db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 732db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 733026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 734ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 735ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 7361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 7371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 7381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 7391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 7401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 7411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 7421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 7435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy // Draw filters 7445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy bool mHasDrawFilter; 7455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterClearBits; 7465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterSetBits; 7475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 7485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 74982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 750fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 7518694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7528f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 75354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 7548f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 755ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> mFunctors; 75654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 75799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 75899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 75999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 760746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 761746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 762746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 76370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 76470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 76570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 76670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 76770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 76870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 76970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 77070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 77170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 77270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 77370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 77470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 77570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 776b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 777b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 778bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 779e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 7809d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 781e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 782e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 784