OpenGLRenderer.h revision ff78583d8a73ca35ce65b5d2592570ff6fb9901b
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 51c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DrawModifiers { 52c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaShader* mShader; 53c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* mColorFilter; 54c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 55c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Drop shadow 56c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasShadow; 57c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowRadius; 58c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowDx; 59c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowDy; 60c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mShadowColor; 61c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 62c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Draw filters 63c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasDrawFilter; 64c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterClearBits; 65c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterSetBits; 66c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 67c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 68ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikenum StateDeferFlags { 69ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Draw = 0x1, 70ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Clip = 0x2 71ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik}; 72ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 73c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DeferredDisplayState { 74c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik Rect mBounds; // local bounds, mapped with matrix to be in screen space coordinates, clipped. 75c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mMultipliedAlpha; // -1 if invalid (because caching not set) 76c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 77c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // the below are set and used by the OpenGLRenderer at record and deferred playback 78c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik Rect mClip; 79c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik mat4 mMatrix; 80c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 81ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik float mAlpha; 82c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 83c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 84f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 85f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 86f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 87f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 880fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 8965cd612face362d054a85d0f7e5881c59cd523beChris Craikclass VertexBuffer; 90b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 915cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 935cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 945cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 9585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 96e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 977953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API OpenGLRenderer(); 98e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 99e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 101ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * Sets the name of this renderer. The name is optional and 102ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * empty by default. If the pointer is null the name is set 103ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * to the empty string. 104ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy */ 105ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy ANDROID_API void setName(const char* name); 106ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 107ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy /** 108ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * Returns the name of this renderer as UTF8 string. 109ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * The returned pointer is never null. 110ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy */ 111ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy ANDROID_API const char* getName() const; 112ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 113ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy /** 11487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy * Read externally defined properties to control the behavior 11587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy * of the renderer. 11687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy */ 11787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy ANDROID_API void initProperties(); 11887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 11987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy /** 12017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates whether this renderer executes drawing commands immediately. 12117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * If this method returns true, the drawing commands will be executed 12217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * later. 12317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 12449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy virtual bool isDeferred(); 12549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 12617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 12717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the dimension of the underlying drawing surface. This method must 12817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * be called at least once every time the drawing surface changes size. 12917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 13017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param width The width in pixels of the underlysing surface 13117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param height The height in pixels of the underlysing surface 13217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 133b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 134e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 13517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 13617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 13717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. When this method is invoked, the 13817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * entire drawing surface is assumed to be redrawn. 13917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 14017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 14117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 14217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared 14317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 1447c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy ANDROID_API status_t prepare(bool opaque); 14517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 14617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 14717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 14817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. Only the specified rectangle of the 14917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * frame is assumed to be dirty. A clip will automatically be set to 15017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the specified rectangle. 15117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 15217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param left The left coordinate of the dirty rectangle 15317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param top The top coordinate of the dirty rectangle 15417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param right The right coordinate of the dirty rectangle 15517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param bottom The bottom coordinate of the dirty rectangle 15617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 15717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 15817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared in the specified dirty rectangle 15917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 1607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); 161e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 16217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 16317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates the end of a frame. This method must be invoked whenever 16417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the caller is done rendering a frame. 16517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 16617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 1676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 168c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 169c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked before handing control over to a draw functor. 170c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * See callDrawGLFunction() for instance. 171c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 172c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 173c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 174c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void interrupt(); 175c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 176c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 177c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked after getting control back from a draw functor. 178c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 179c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 180c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 181c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void resume(); 182c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 1838f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 184ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void detachFunctor(Functor* functor); 185ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void attachFunctor(Functor* functor); 1868f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 18708ae317c21ec3086b5017672bba87420cc38a407Romain Guy 18811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void pushLayerUpdate(Layer* layer); 18911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void clearLayerUpdates(); 19011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1917953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 1924aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 1934aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 1944aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 195bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 196ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ANDROID_API int saveLayer(float left, float top, float right, float bottom, 197ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik SkPaint* paint, int flags) { 198ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode; 199ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (paint) mode = getXfermode(paint->getXfermode()); 200ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return saveLayer(left, top, right, bottom, paint ? paint->getAlpha() : 255, mode, flags); 201ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 202ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ANDROID_API int saveLayerAlpha(float left, float top, float right, float bottom, 203ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, int flags) { 204ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return saveLayer(left, top, right, bottom, alpha, SkXfermode::kSrcOver_Mode, flags); 205ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 206e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 207ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags); 208bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2094aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 2104aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 2114aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 212807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 213f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 214b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik bool hasRectToRectTransform(); 2157953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 2164aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 2174aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 218f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2197953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 2207953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API bool quickReject(float left, float top, float right, float bottom); 2218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool quickRejectNoScissor(float left, float top, float right, float bottom); 2224aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 223735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy virtual bool clipPath(SkPath* path, SkRegion::Op op); 224735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy virtual bool clipRegion(SkRegion* region, SkRegion::Op op); 225a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase virtual Rect* getClipRect(); 226bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 227ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t replayFlags); 228c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik virtual void outputDisplayList(DisplayList* displayList); 229486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLayer(Layer* layer, float x, float y, SkPaint* paint); 230486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 231486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 232486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 233e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 2345c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 235486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); 236486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 2375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 238486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 2394bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 2405c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 241be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy status_t drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 242be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 243be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode); 244486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 245486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); 246486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 24701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 248486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); 249486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); 250486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 2518b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 252486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPath(SkPath* path, SkPaint* paint); 253486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLines(float* points, int count, SkPaint* paint); 254486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPoints(float* points, int count, SkPaint* paint); 255486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 256325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint); 257486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 258325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy const float* positions, SkPaint* paint); 259c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 260996e57c84368058be793897ebc355b917a59abc2Raph Levien const float* positions, SkPaint* paint, float length = -1.0f); 261672433d90fab7383cd28beac9d4485b566a90940Romain Guy virtual status_t drawRects(const float* rects, int count, SkPaint* paint); 26285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2634aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 2644aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 265d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2664aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 2674aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 268db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2694aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 2704aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 2711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 2735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 2745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 275758724fd09a1599f2c55130f81953cfa6c17c300Romain Guy SkPaint* filterPaint(SkPaint* paint, bool alwaysCopy = false); 2765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 277ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); 278ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik void restoreDisplayState(const DeferredDisplayState& state, int stateDeferFlags); 279c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 280ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // TODO: what does this mean? no perspective? no rotate? 281672433d90fab7383cd28beac9d4485b566a90940Romain Guy ANDROID_API bool isCurrentTransformSimple() { 282672433d90fab7383cd28beac9d4485b566a90940Romain Guy return mSnapshot->transform->isSimple(); 283672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 284672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2850f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy Caches& getCaches() { 2860f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy return mCaches; 2870f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy } 2880f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 289ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // simple rect clip 290ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool isCurrentClipSimple() { 291ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return mSnapshot->clipRegion->isEmpty(); 292ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 293ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 29417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 29517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the alpha on the current snapshot. This alpha value will be modulated 29617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 29717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 29817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy void setAlpha(float alpha) { 29917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy mSnapshot->alpha = alpha; 30017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 30117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 30217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 3030f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy * Inserts a named event marker in the stream of GL commands. 3040f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy */ 3050f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy void eventMark(const char* name) const; 3060f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 3070f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy /** 30817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 30917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 31017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 31117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 31213631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 31317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 31417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 31517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 31617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 31713631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 31813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 319d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 320d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 321d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 322d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * not multiply the paint's alpha by the current snapshot's alpha. 323d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 324d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 325d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 326d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 327d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 328d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 329d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase if (paint) { 330d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *mode = getXfermode(paint->getXfermode()); 331d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 332d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase // Skia draws using the color's alpha channel if < 255 333d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase // Otherwise, it uses the paint's alpha 334d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase int color = paint->getColor(); 335d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *alpha = (color >> 24) & 0xFF; 336d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase if (*alpha == 255) { 337d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *alpha = paint->getAlpha(); 338d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 339d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } else { 340d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *mode = SkXfermode::kSrcOver_Mode; 341d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase *alpha = 255; 342d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 343d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 344d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 345624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy /** 346624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy * Return the best transform to use to rasterize text given a full 347624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy * transform matrix. 348624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy */ 349624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 findBestFontTransform(const mat4& transform) const; 350624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 351e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 352e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 35335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Computes the projection matrix, initialize the first snapshot 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * and stores the dimensions of the render target. 35535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 35635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void initViewport(int width, int height); 35735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 3597c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * Clears the underlying surface if needed. 3607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 3617c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t clear(float left, float top, float right, float bottom, bool opaque); 3627c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 3637c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 36435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 36535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 36635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 36735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 36835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 3698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * This method is called whenever a stencil buffer is required. Subclasses 3708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * should override this method and call attachStencilBufferToLayer() on the 3718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * appropriate layer(s). 3728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy virtual void ensureStencilBuffer(); 3748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 3758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 3768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Obtains a stencil render buffer (allocating it if necessary) and 3778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * attaches it to the specified layer. 3788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void attachStencilBufferToLayer(Layer* layer); 3808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 3818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 382e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 383e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 384e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 385e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 386e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 387e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 388e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 389e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 390e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 391694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 392ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 393f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 394ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 395f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 396ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 397ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 398f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 399ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 400624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy sp<Snapshot> getSnapshot() const { 401f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 402f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 403ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 40442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 40542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 40642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 407624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual Region* getRegion() const { 408f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 409f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 410f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 41142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 41242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 41342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 414624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool hasLayer() const { 415f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 416f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 4171bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 41842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 41942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 42042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 421624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual GLint getTargetFbo() const { 42242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 42342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 42442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 42577a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 42677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 42777a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 42877a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 42977a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 43077a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 43177a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 43277a811610f99e21da7f88dafef60d09f345d0506Romain Guy 433be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 434be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 435be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * alpha will be 255 and the xfermode will be SRC_OVER. 436be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 437be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 438be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 439be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 440be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 441be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode); 442be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 443be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 444be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Safely retrieves the mode from the specified xfermode. If the specified 445be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 446be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 447be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { 448be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode resultMode; 449be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (!SkXfermode::AsMode(mode, &resultMode)) { 450be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy resultMode = SkXfermode::kSrcOver_Mode; 451be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 452be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return resultMode; 453be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 454be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 45511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 45611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 45711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 458624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool suppressErrorChecks() const { 45911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 46011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 46111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46208ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 4635cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 464dcfc836b457a87881da409e1acf251515f121446Romain Guy * Discards the content of the framebuffer if supported by the driver. 465dcfc836b457a87881da409e1acf251515f121446Romain Guy * This method should be called at the beginning of a frame to optimize 466dcfc836b457a87881da409e1acf251515f121446Romain Guy * rendering on some tiler architectures. 467dcfc836b457a87881da409e1acf251515f121446Romain Guy */ 468dcfc836b457a87881da409e1acf251515f121446Romain Guy void discardFramebuffer(float left, float top, float right, float bottom); 469dcfc836b457a87881da409e1acf251515f121446Romain Guy 470dcfc836b457a87881da409e1acf251515f121446Romain Guy /** 471ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 472ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 473ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 474ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 475ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 476ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 4772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 478c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method will use the clip rect that we started drawing the 479c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * frame with. 4802b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 4812b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 4822b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 48357b5268708c3b974296c7d4e58a02a957979224aRomain Guy void startTiling(const sp<Snapshot>& snapshot, bool opaque = false); 4842b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 4852b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 486c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 487c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method needs to be invoked every time getTargetFbo() is 488c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * bound again. 489c3fedafc5f50100219449125a000e3138f6fb987Romain Guy */ 490c3fedafc5f50100219449125a000e3138f6fb987Romain Guy void startTiling(const Rect& clip, int windowHeight, bool opaque = false); 491c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 492c3fedafc5f50100219449125a000e3138f6fb987Romain Guy /** 4932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 4942b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 4952b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 4962b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 4972b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 4982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 4995cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 5005cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 5015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 5025cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 5038aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 5048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 5055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 5065cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 5078aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 5085cbbce535744b89df5ecea95de21ee3733298260Romain Guy 5095cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 5115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 5122542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 5135cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 514bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 515bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5165cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5175cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 5185cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 5195cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 520bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 521bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5225cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Sets the clipping region using the stencil buffer. The clip region 5248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is defined by the current snapshot's clipRegion member. 5258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 5268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void setStencilFromClip(); 5278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 5288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 52935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Performs a quick reject but does not affect the scissor. Returns 53035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * the transformed rect to test and the current clip. 53135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 53235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy bool quickRejectNoScissor(float left, float top, float right, float bottom, 53335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip); 53435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 53535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 536cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * Performs a quick reject but adjust the bounds to account for stroke width if necessary 537cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik */ 538cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik bool quickRejectPreStroke(float left, float top, float right, float bottom, SkPaint* paint); 539cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 540cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik /** 541d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 542d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 543d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 544d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 545d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 546d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 547d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 548d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 549d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 550d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 551eb99356a0548684a501766e6a524529ab93304c8Romain Guy * @param previousFbo The name of the current framebuffer 552d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 553d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 554d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 555d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 556eb99356a0548684a501766e6a524529ab93304c8Romain Guy int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); 557d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 558d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param previousFbo The name of the current framebuffer 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 566d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo); 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 58554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 58654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 58754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 58854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 58954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 59054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 59154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 592f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 593f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 594f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 595f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 596f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 597f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 598f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 599f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 600f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 601f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 602f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 603f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 604f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 6055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 606735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * are transformed by the current snapshot's transform matrix unless specified 607735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * otherwise. 6085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 6135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 614026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 6153d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 6165cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 617026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 6181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 6195cbbce535744b89df5ecea95de21ee3733298260Romain Guy 62054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 621735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * Draws a series of colored rectangles with the specified color. The specified 622735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * coordinates are transformed by the current snapshot's transform matrix unless 623735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * specified otherwise. 624735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * 625735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param rects A list of rectangles, 4 floats (left, top, right, bottom) 626735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * per rectangle 627735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param color The rectangles' ARGB color, defined as a packed 32 bits word 628735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param mode The Skia xfermode to use 629735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param ignoreTransform True if the current transform should be ignored 6308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * @param dirty True if calling this method should dirty the current layer 6313bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * @param clip True if the rects should be clipped, false otherwise 632735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy */ 633735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy status_t drawColorRects(const float* rects, int count, int color, 6343bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform = false, 6353bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy bool dirty = true, bool clip = true); 636735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 637735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy /** 63854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 63954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 64054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 64154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 64254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 64354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 64454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 64554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 64654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 64754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 648486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 64954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 65054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 65154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 65254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 65354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 65454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 65554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 65654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 65754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 65854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 659a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 660a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 66154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 66265cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a strip of polygons with the specified paint, used for tessellated geometry. 66365cd612face362d054a85d0f7e5881c59cd523beChris Craik * 66465cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param vertexBuffer The VertexBuffer to be drawn 66565cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param paint The paint to render with 66665cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) 66765cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 66865cd612face362d054a85d0f7e5881c59cd523beChris Craik status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 66965cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = false); 67065cd612face362d054a85d0f7e5881c59cd523beChris Craik 67165cd612face362d054a85d0f7e5881c59cd523beChris Craik /** 672710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 67354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 674710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 675cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 67654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 67765cd612face362d054a85d0f7e5881c59cd523beChris Craik status_t drawConvexPath(const SkPath& path, SkPaint* paint); 678858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 6795cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6805cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 6815cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 6825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 6875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 6885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 689d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 690c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 6915cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 692bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 693a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 694c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 695026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 69682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 69782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 69882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 69982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 70082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 70182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 70282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 70382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 70482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 70582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 706a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 7078164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 70882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 70982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 71003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 71103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 71203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 71382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 71482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 71582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 71682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 71782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 71882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 71982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 72082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 72182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 72282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 72382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 72482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 725f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 726f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 72703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 730f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 731f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 732a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 7336820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 736f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 737886b275e529e44a59c54b933453d9bc902973178Romain Guy void drawAlpha8TextureMesh(float left, float top, float right, float bottom, 738886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 739886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 740886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty = true); 741886b275e529e44a59c54b933453d9bc902973178Romain Guy 742f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 7430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 7440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 7450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 7460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 7470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param length The length in pixels of the text, can be <= 0.0f to force a measurement 7480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 7490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 7500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 7510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 7520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy void drawTextDecorations(const char* text, int bytesCount, float length, 7530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint); 7541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 755416a847633680d94efb926837efdc18726d54918Raph Levien /** 756416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 757416a847633680d94efb926837efdc18726d54918Raph Levien * 758416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 759416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 760416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 761416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 762416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 763416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 764416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 765416a847633680d94efb926837efdc18726d54918Raph Levien * @param mode The xfermode for drawing the shadow 766416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 767416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 768416a847633680d94efb926837efdc18726d54918Raph Levien */ 769416a847633680d94efb926837efdc18726d54918Raph Levien void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 770416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 771416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 772416a847633680d94efb926837efdc18726d54918Raph Levien 77354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 77454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 77554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 77654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 77754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 77854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 77954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 78054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 78154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 782416a847633680d94efb926837efdc18726d54918Raph Levien void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 78301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 7841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 785ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 786026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 787026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 7888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 789026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 790026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 791026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 792026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 793026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 794026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 795026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 796026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 7978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 798768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy * Returns true if the specified paint will draw invisible text. 799768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy */ 800768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy bool canSkipText(const SkPaint* paint) const; 801768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 802768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy /** 803746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 804746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 805a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 806746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 807746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 808746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 809746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 810746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 811aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 812aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 813aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 814aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 815aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 816aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 817aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 818aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 81982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 82082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 82182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 822f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 823f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 824a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 825f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 826d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 827d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 828d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 829d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 8306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 831d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 832d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 833d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 834260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 835889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 836260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 837746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 838746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 839746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 84054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 84117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 846ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawWithTextureAndColor(bool isAlpha8 = false); 847aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 84815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 849710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawAA(); 850ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPoint(float pointSize); 8518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 85270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 85386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 8544121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 85570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 85670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 85770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 85870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 85970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 86070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 86170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 86270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 8638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 86470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 86570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 86670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 868ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy void setupDrawPointUniforms(); 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 87086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 8718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 87270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 87370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 87470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 87570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 876aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 8778f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 8788f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 8794121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 8808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 881ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors); 88215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords); 8835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void setupDrawVertices(GLvoid* vertices); 88470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void finishDrawTexture(); 885f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 886746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 88711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 88811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 88911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 89017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 89117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 89217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 89317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 8943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy void drawRegionRects(const Region& region); 8953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 8978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Renders the specified region as a series of rectangles. The region 8988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * must be in screen-space coordinates. 8998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 9008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void drawRegionRects(const SkRegion& region, int color, SkXfermode::Mode mode, 9018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool dirty = false); 9028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS 9058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is turned on. 9068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 9078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void debugClip(); 9088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 9107c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 9117c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 912746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 913746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 914746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 915746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 916746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 917746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 918746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 9193b753829ae858d424fe109f714745379a6daf455Romain Guy inline mat4& currentTransform() const { 9203b753829ae858d424fe109f714745379a6daf455Romain Guy return *mSnapshot->transform; 9213b753829ae858d424fe109f714745379a6daf455Romain Guy } 9223b753829ae858d424fe109f714745379a6daf455Romain Guy 923bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 924bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 925bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 92685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 927260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 928bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 929c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 930c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 931c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 932bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 933bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 934f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 935ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 936bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 937bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 9382b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 9392b7028eabac80cec170572bc0e945a1d4224e595Romain Guy sp<Snapshot> mTilingSnapshot; 9409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 941026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 942ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 943ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 944c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // shader, filters, and shadow 945c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 9465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 9475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 94882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 949fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 9503bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Extensions& mExtensions; 9518694230ff25fa0a60e480d424843e56b718f0516Romain Guy 9528f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 95354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 9548f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 955ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> mFunctors; 95611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 95711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Vector<Layer*> mLayerUpdates; 95854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 959746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 960746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 961746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 9742b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 9752b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 97887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 97987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 98087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 98154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // No-ops start/endTiling when set 98254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy bool mSuppressTiling; 98354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 984ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy // Optional name of the renderer 985ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy String8 mName; 986ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 987b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 988b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 989bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 990e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 9919d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 992e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 993e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 9945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 995