OpenGLRenderer.h revision 17112ad8a21a77620eb1ff14dcf8bdd6b7859712
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 1158f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 116ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void detachFunctor(Functor* functor); 117ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void attachFunctor(Functor* functor); 1188f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 11908ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1207953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 1214aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 1224aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 1234aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 124bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 125e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 1265c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags); 127e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayerAlpha(float left, float top, float right, float bottom, 128e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy int alpha, int flags); 129bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1304aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 1314aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 1324aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 133807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 134f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1357953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 1364aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 1374aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 138f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1397953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 1407953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 1418a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool quickRejectNoScissor(float left, float top, float right, float bottom); 1424aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 143a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase virtual Rect* getClipRect(); 144bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1451271e2cc80b01d577e9db339459ef0222bb9320dChet Haase virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t flags, 1461271e2cc80b01d577e9db339459ef0222bb9320dChet Haase uint32_t level = 0); 147ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase virtual void outputDisplayList(DisplayList* displayList, uint32_t level = 0); 148486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLayer(Layer* layer, float x, float y, SkPaint* paint); 149486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 150486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 151486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 152e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 1535c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 154486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); 155486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 1565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 157486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1584bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1595c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 160be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 161be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 162be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode); 163486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 164486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); 165486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 16601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 167486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); 168486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); 169486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 1708b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 171486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPath(SkPath* path, SkPaint* paint); 172486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLines(float* points, int count, SkPaint* paint); 173486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPoints(float* points, int count, SkPaint* paint); 174486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 175325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint); 176486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 177325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy const float* positions, SkPaint* paint); 178c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 179996e57c84368058be793897ebc355b917a59abc2Raph Levien const float* positions, SkPaint* paint, float length = -1.0f); 18085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1814aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 1824aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 183d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1844aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 1854aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 186db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1874aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 1884aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 1891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 1915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 1925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 1935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint* filterPaint(SkPaint* paint); 1945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 19517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 19617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Returns the desired size for the stencil buffer. If the returned value 19717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is 0, then no stencil buffer is required. 19817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 199530041d3191ce817832a0108514617768e43cda6Romain Guy ANDROID_API static uint32_t getStencilSize(); 200530041d3191ce817832a0108514617768e43cda6Romain Guy 20117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 20217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the alpha on the current snapshot. This alpha value will be modulated 20317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 20417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 20517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy void setAlpha(float alpha) { 20617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy mSnapshot->alpha = alpha; 20717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 20817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 20917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 21017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 21117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 21217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 21317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 21413631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 21517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 21617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 21717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 21817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 21913631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 22013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 221e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 22217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 22317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 22417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * This method must be invoked before handing control over to a draw functor. 22517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * See callDrawGLFunction() for instance. 22617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 22717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * This command must not be recorded inside display lists. 22817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 22917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy void interrupt(); 23017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 23117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 23217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * This method must be invoked after getting control back from a draw functor. 23317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 23417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * This command must not be recorded inside display lists. 23517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 23617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy void resume(); 23717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 238e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 239e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 240e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 241e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 242e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 243e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 244e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 245e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 246e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 247e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 248694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 249ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 250f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 251ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 252f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 253ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 254ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 255f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 256ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 257f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy sp<Snapshot> getSnapshot() { 258f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 259f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 260ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 26142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 26242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 26342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 264f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual Region* getRegion() { 265f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 266f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 267f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 26842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 26942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 27042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 271f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy virtual bool hasLayer() { 272f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 273f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2741bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 27542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 27642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 27742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 27842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy virtual GLint getTargetFbo() { 27942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 28042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 28142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 28277a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 28377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 28477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 28577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 28677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 28777a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 28877a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 28977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 290be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 291be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 292be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 293be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 294be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 295be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 296be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 297be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 298be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 299be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 300be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 301be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 302be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. This method does 303be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * not multiply the paint's alpha by the current snapshot's alpha. 304be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 305be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 306be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 307be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 308be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 309be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 310be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (paint) { 311be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *mode = getXfermode(paint->getXfermode()); 312be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 313be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy // Skia draws using the color's alpha channel if < 255 314be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy // Otherwise, it uses the paint's alpha 315be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int color = paint->getColor(); 316be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *alpha = (color >> 24) & 0xFF; 317be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (*alpha == 255) { 318be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *alpha = paint->getAlpha(); 319be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 320be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } else { 321be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *mode = SkXfermode::kSrcOver_Mode; 322be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy *alpha = 255; 323be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 324be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 325be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 326be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 327be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Safely retrieves the mode from the specified xfermode. If the specified 328be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 329be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 330be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { 331be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode resultMode; 332be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (!SkXfermode::AsMode(mode, &resultMode)) { 333be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy resultMode = SkXfermode::kSrcOver_Mode; 334be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 335be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return resultMode; 336be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 337be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 33808ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 3395cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 340ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 341ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 342ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 343ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 344ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 345ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 3465cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 3475cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 3485cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 3495cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 3518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 3525cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 3535cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 3548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 3555cbbce535744b89df5ecea95de21ee3733298260Romain Guy 3565cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 3585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 3592542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 3605cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3635cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 3645cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 3655cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 3665cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 368bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3695cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 370d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 371d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 372d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 373d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 374d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 375d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 376d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 377d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 378d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 379d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 380eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 381d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 382d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 383d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 384d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy bool createLayer(sp<Snapshot> snapshot, float left, float top, float right, float bottom, 385eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 386d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 387d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 3885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 3895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 3905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 3915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 3925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 3935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 3945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 3955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 3965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo); 3975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 3995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 4005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 4015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 4025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 4035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 4055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 4075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 4085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 4095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 4105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 4115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 4125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 4135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 4145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 41554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 41654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 41754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 41854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 41954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 42054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 42154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 422f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 423f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 424f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 425f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 426f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 427f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 428f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 429f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 430f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 431f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 432f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 433f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 434f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 4355cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 4365cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 4375cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 4385cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 4395cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 4405cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 4415cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 4425cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 443026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 4443d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 4455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreBlending True if the blending is set by the caller 4465cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 447026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 4481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 4495cbbce535744b89df5ecea95de21ee3733298260Romain Guy 45054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 45154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 45254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 45354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 45454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 45554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 45654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 45754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 45854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 45954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 46054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 461486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 46254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 46354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 46454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as a shape. 46554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This will render the rect using a path texture, which is used to render 46654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * rects with stroke effects. 46754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 46854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 46954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 47054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 47154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 47254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param p The paint to draw the rect with 47354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 474486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawRectAsShape(float left, float top, float right, float bottom, SkPaint* p); 475c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 47654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 47754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 47854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 47954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 48054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 48154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 48254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 48354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 48454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 485a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 486a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 48754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 48854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Renders the rect defined by the specified bounds as an anti-aliased rect. 48954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 49054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the rect to draw 49154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the rect to draw 49254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param right The right coordinate of the rect to draw 49354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param bottom The bottom coordinate of the rect to draw 49454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param color The color of the rect 49554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param mode The blending mode to draw the rect 49654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 497858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void drawAARect(float left, float top, float right, float bottom, 498858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int color, SkXfermode::Mode mode); 499858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 5005cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 5025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 5035cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 5045cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 5055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 5065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 5075cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 5085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 5095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 510d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 511c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 5125cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 513bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 514a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 515c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 516026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 51782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 51882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 51982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 52082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 52182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 52282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 52382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 52482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 52582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 52682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 527a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 5288164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 52982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 53082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 53103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 53203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 53303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 53482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 53582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 53682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 53782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 53882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 53982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 54082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 54182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 54282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 54382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 54482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 54582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 546f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 547f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 54803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 551f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 552f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 553a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 5546820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 557f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 558f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 5590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 5600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 5610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 5620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 5630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 5640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 5650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 5660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 5670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 5680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 5690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 5701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 571416a847633680d94efb926837efdc18726d54918Raph Levien /** 572416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 573416a847633680d94efb926837efdc18726d54918Raph Levien * 574416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 575416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 576416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 577416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 578416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 579416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 580416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 581416a847633680d94efb926837efdc18726d54918Raph Levien * @param mode The xfermode for drawing the shadow 582416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 583416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 584416a847633680d94efb926837efdc18726d54918Raph Levien */ 585416a847633680d94efb926837efdc18726d54918Raph Levien void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 586416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 587416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 588416a847633680d94efb926837efdc18726d54918Raph Levien 58954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 59054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 59154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 59254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 59354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 59454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 59554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 59654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 59754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 598416a847633680d94efb926837efdc18726d54918Raph Levien void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 59901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 6001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 601ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 602026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 603026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 6048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 605026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 606026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 607026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 608026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 609026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 610026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 611026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 612026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 6138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 614746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 615746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 616a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 617746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 618746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 619746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 620746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 621746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 622aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 623aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 624aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 625aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 626aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 627aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 628aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 629aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 63082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 63182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 63282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 633f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 634f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 635a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 636f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 637d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 638d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 639d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 640d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 6416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 642d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 643d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 644d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 645260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 646889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 647260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 648746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 649746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 650746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 65154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 65217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 65370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 65470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 65570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 65670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 657aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 65815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 6595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawAALine(); 660ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 66170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(int color); 6628d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 66370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 66486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 6654121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 66670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 66770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 66870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 66970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 67070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 67170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 67270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 67370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 6748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 67570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 67670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 67770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 67870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 679ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 68070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 68186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 6828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 68370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 68470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 68570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 68670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 687aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 6888f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 6898f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 6904121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 6918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 69215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 6935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 69499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, GLvoid* lengthCoords, 6957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy float strokeWidth, int& widthSlot, int& lengthSlot); 6967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy void finishDrawAALine(const int widthSlot, const int lengthSlot); 69770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 698f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 699746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 70017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 70117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 70217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 70317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 7043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 7053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 706746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 707746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 708746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 709746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 710746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 711746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 712746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 713bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 714bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 715bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 71685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 717260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 718bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 719c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 720c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 721c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 722bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 723bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 724f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 725ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 726bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 727bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 7289d5316e3f56d138504565ff311145ac01621dff4Romain Guy 7299d5316e3f56d138504565ff311145ac01621dff4Romain Guy // Shaders 73006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy SkiaShader* mShader; 731026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 732db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filters 733db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy SkiaColorFilter* mColorFilter; 734db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 735026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 736ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 737ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 7381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy // Drop shadow 7391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy bool mHasShadow; 7401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowRadius; 7411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDx; 7421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy float mShadowDy; 7431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy int mShadowColor; 7441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 7455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy // Draw filters 7465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy bool mHasDrawFilter; 7475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterClearBits; 7485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy int mPaintFilterSetBits; 7495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 7505ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 75182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 752fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 7538694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7548f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 75554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 7568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 757ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> mFunctors; 75854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 75999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy // Indentity matrix 76099bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy const mat4 mIdentity; 76199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy 762746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 763746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 764746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 76570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 76670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 76770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 76870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 76970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 77070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 77170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 77270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 77370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 77470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 77570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 77670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 77770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 778b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 779b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 780bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 781e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 7829d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 783e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 784e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 786