OpenGLRenderer.h revision e63f7c622a2086aefa80983c6f41b74fb166bb42
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 373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <androidfw/ResourceTypes.h> 383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 39c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 4051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 41f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 425cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 43bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 445cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Snapshot.h" 45f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include "Vertex.h" 4606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#include "SkiaShader.h" 47db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "UvMapper.h" 49fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 50bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 51e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 529d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 53e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 54c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DrawModifiers { 559b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy DrawModifiers() { 569b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy reset(); 579b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 589b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 599b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy void reset() { 609b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy memset(this, 0, sizeof(DrawModifiers)); 619b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 629b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 63c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaShader* mShader; 64c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* mColorFilter; 6516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float mOverrideLayerAlpha; 66c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 67c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Drop shadow 68c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasShadow; 69c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowRadius; 70c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowDx; 71c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowDy; 72c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mShadowColor; 73c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 74c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Draw filters 75c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasDrawFilter; 76c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterClearBits; 77c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterSetBits; 78c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 79c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 80ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikenum StateDeferFlags { 81ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Draw = 0x1, 82ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Clip = 0x2 83ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik}; 84ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 85527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craikenum DrawOpMode { 86527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik kDrawOpMode_Immediate, 87527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik kDrawOpMode_Defer, 88527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik kDrawOpMode_Flush 89527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik}; 90527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 9128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikenum ClipSideFlags { 92a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik kClipSide_None = 0x0, 9328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Left = 0x1, 9428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Top = 0x2, 9528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Right = 0x4, 9628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Bottom = 0x8, 97d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_Full = 0xF, 98d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_ConservativeFull = 0x1F 9928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik}; 10028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 101f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 102f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 105c1c5f0870282b56dafe5a4d756e4b9e6884655a7Chris Craikclass DeferredDisplayState; 1060fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyclass DisplayList; 107257ae3502cfad43df681b1783528d645bdabc63fRomain Guyclass TextSetupFunctor; 10865cd612face362d054a85d0f7e5881c59cd523beChris Craikclass VertexBuffer; 109b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 1105cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 1115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * OpenGL renderer used to draw accelerated 2D graphics. The API is a 1125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * simplified version of Skia's Canvas API. 1135cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 11485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyclass OpenGLRenderer { 115e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 1167953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API OpenGLRenderer(); 117e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 118e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 120ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * Sets the name of this renderer. The name is optional and 121ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * empty by default. If the pointer is null the name is set 122ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * to the empty string. 123ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy */ 124ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy ANDROID_API void setName(const char* name); 125ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 126ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy /** 127ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * Returns the name of this renderer as UTF8 string. 128ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy * The returned pointer is never null. 129ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy */ 130ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy ANDROID_API const char* getName() const; 131ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 132ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy /** 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy * Read externally defined properties to control the behavior 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy * of the renderer. 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy */ 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy ANDROID_API void initProperties(); 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 13887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy /** 13917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates whether this renderer executes drawing commands immediately. 14017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * If this method returns true, the drawing commands will be executed 14117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * later. 14217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 14349c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy virtual bool isDeferred(); 14449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 14617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Sets the dimension of the underlying drawing surface. This method must 14717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * be called at least once every time the drawing surface changes size. 14817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 14917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param width The width in pixels of the underlysing surface 15017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param height The height in pixels of the underlysing surface 15117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 152b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 153e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 15417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 15517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 15617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. When this method is invoked, the 15717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * entire drawing surface is assumed to be redrawn. 15817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 15917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 16017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 16117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared 16217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 1637c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy ANDROID_API status_t prepare(bool opaque); 16417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 16517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 16617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Prepares the renderer to draw a frame. This method must be invoked 16717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * at the beginning of each frame. Only the specified rectangle of the 16817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * frame is assumed to be dirty. A clip will automatically be set to 16917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the specified rectangle. 17017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * 17117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param left The left coordinate of the dirty rectangle 17217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param top The top coordinate of the dirty rectangle 17317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param right The right coordinate of the dirty rectangle 17417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param bottom The bottom coordinate of the dirty rectangle 17517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * @param opaque If true, the target surface is considered opaque 17617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * and will not be cleared. If false, the target surface 17717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * will be cleared in the specified dirty rectangle 17817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 1797c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); 180e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 18117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 18217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Indicates the end of a frame. This method must be invoked whenever 18317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * the caller is done rendering a frame. 18417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 18517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 1866c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 187c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 188c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked before handing control over to a draw functor. 189c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * See callDrawGLFunction() for instance. 190c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 191c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 192c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 193c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void interrupt(); 194c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 195c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy /** 196c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This method must be invoked after getting control back from a draw functor. 197c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * 198c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy * This command must not be recorded inside display lists. 199c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy */ 200c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void resume(); 201c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 20278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy ANDROID_API void setCountOverdrawEnabled(bool enabled) { 20378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = enabled; 20478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 20578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 20678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy ANDROID_API float getOverdraw() { 20778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return mCountOverdraw ? mOverdraw : 0.0f; 20878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 20978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 2108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 211ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void detachFunctor(Functor* functor); 212ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void attachFunctor(Functor* functor); 2138f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 21408ae317c21ec3086b5017672bba87420cc38a407Romain Guy 21511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void pushLayerUpdate(Layer* layer); 216e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy ANDROID_API void cancelLayerUpdate(Layer* layer); 21711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void clearLayerUpdates(); 218405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ANDROID_API void flushLayerUpdates(); 21911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 2207953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API int getSaveCount() const; 2214aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual int save(int flags); 2224aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restore(); 2234aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void restoreToCount(int saveCount); 224bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 225ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ANDROID_API int saveLayer(float left, float top, float right, float bottom, 226ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik SkPaint* paint, int flags) { 227ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode; 228ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik if (paint) mode = getXfermode(paint->getXfermode()); 229ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return saveLayer(left, top, right, bottom, paint ? paint->getAlpha() : 255, mode, flags); 230ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 231ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik ANDROID_API int saveLayerAlpha(float left, float top, float right, float bottom, 232ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, int flags) { 233ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return saveLayer(left, top, right, bottom, alpha, SkXfermode::kSrcOver_Mode, flags); 234ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 235e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual int saveLayer(float left, float top, float right, float bottom, 236ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik int alpha, SkXfermode::Mode mode, int flags); 237bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 238d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int saveLayerDeferred(float left, float top, float right, float bottom, 239d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int alpha, SkXfermode::Mode mode, int flags); 240d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 2414aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void translate(float dx, float dy); 2424aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void rotate(float degrees); 2434aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void scale(float sx, float sy); 244807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy virtual void skew(float sx, float sy); 245f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 246b98a016c6769b9e80d392df22fe77a2fca048d9fChris Craik bool hasRectToRectTransform(); 2477953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API void getMatrix(SkMatrix* matrix); 2484aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setMatrix(SkMatrix* matrix); 2494aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void concatMatrix(SkMatrix* matrix); 250f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 2517953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API const Rect& getClipBounds(); 25239a908c1df89e1073627b0dcbce922d826b67055Chris Craik 25339a908c1df89e1073627b0dcbce922d826b67055Chris Craik /** 2545e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Performs a quick reject but adjust the bounds to account for stroke width if necessary, 2555e49b307eb99269db2db257760508b8efd7bb97dChris Craik * and handling snapOut for AA geometry. 25639a908c1df89e1073627b0dcbce922d826b67055Chris Craik */ 25739a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool quickRejectPreStroke(float left, float top, float right, float bottom, SkPaint* paint); 25839a908c1df89e1073627b0dcbce922d826b67055Chris Craik 25939a908c1df89e1073627b0dcbce922d826b67055Chris Craik /** 26039a908c1df89e1073627b0dcbce922d826b67055Chris Craik * Returns false and sets scissor based upon bounds if drawing won't be clipped out 26139a908c1df89e1073627b0dcbce922d826b67055Chris Craik */ 2625e49b307eb99269db2db257760508b8efd7bb97dChris Craik bool quickReject(float left, float top, float right, float bottom, bool snapOut = false); 26341541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik bool quickReject(const Rect& bounds) { 26441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik return quickReject(bounds.left, bounds.top, bounds.right, bounds.bottom); 26541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik } 26639a908c1df89e1073627b0dcbce922d826b67055Chris Craik 26739a908c1df89e1073627b0dcbce922d826b67055Chris Craik /** 26839a908c1df89e1073627b0dcbce922d826b67055Chris Craik * Same as quickReject, without the scissor, instead returning clipRequired through pointer. 26939a908c1df89e1073627b0dcbce922d826b67055Chris Craik * clipRequired will be only set if not rejected 27039a908c1df89e1073627b0dcbce922d826b67055Chris Craik */ 27139a908c1df89e1073627b0dcbce922d826b67055Chris Craik ANDROID_API bool quickRejectNoScissor(float left, float top, float right, float bottom, 2725e49b307eb99269db2db257760508b8efd7bb97dChris Craik bool snapOut = false, bool* clipRequired = NULL); 27339a908c1df89e1073627b0dcbce922d826b67055Chris Craik bool quickRejectNoScissor(const Rect& bounds, bool* clipRequired = NULL) { 27439a908c1df89e1073627b0dcbce922d826b67055Chris Craik return quickRejectNoScissor(bounds.left, bounds.top, bounds.right, bounds.bottom, 27539a908c1df89e1073627b0dcbce922d826b67055Chris Craik clipRequired); 27639a908c1df89e1073627b0dcbce922d826b67055Chris Craik } 27739a908c1df89e1073627b0dcbce922d826b67055Chris Craik 2784aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); 279735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy virtual bool clipPath(SkPath* path, SkRegion::Op op); 280735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy virtual bool clipRegion(SkRegion* region, SkRegion::Op op); 281a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase virtual Rect* getClipRect(); 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 283ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t replayFlags); 284c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik virtual void outputDisplayList(DisplayList* displayList); 285a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik virtual status_t drawLayer(Layer* layer, float x, float y); 286486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); 28755b6f95ee4ace96c97508bcd14483fb4e9dbeaa0Romain Guy status_t drawBitmaps(SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 288996fe656340ede058a6f0e6b18f9ec525ddb4e27Chris Craik TextureVertex* vertices, bool pureTranslate, const Rect& bounds, SkPaint* paint); 289486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); 290486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, 291e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 2925c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float dstRight, float dstBottom, SkPaint* paint); 293486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); 294486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 2955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint); 29603c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy status_t drawPatches(SkBitmap* bitmap, AssetAtlas::Entry* entry, 29703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy TextureVertex* vertices, uint32_t indexCount, SkPaint* paint); 2983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy virtual status_t drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 2995c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint); 3004c2547fa9244e78115cde0a259291053108c3dc7Romain Guy status_t drawPatch(SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 30103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy float left, float top, float right, float bottom, SkPaint* paint); 302486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 303486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); 304486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 30501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint); 306486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); 307486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); 308486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 3098b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); 310486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPath(SkPath* path, SkPaint* paint); 311486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawLines(float* points, int count, SkPaint* paint); 312486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPoints(float* points, int count, SkPaint* paint); 313486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 314325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint); 315486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 316325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy const float* positions, SkPaint* paint); 317c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 31841541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik const float* positions, SkPaint* paint, float totalAdvance, const Rect& bounds, 319527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode = kDrawOpMode_Immediate); 320672433d90fab7383cd28beac9d4485b566a90940Romain Guy virtual status_t drawRects(const float* rects, int count, SkPaint* paint); 32185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3224aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 3234aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 324d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3254aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 3264aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 327db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3284aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 3294aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 3301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 3315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 3325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 3335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 33416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) 33516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } 33616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 337a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik SkPaint* filterPaint(SkPaint* paint); 3385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 3395e49b307eb99269db2db257760508b8efd7bb97dChris Craik /** 3405e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Store the current display state (most importantly, the current clip and transform), and 3415e49b307eb99269db2db257760508b8efd7bb97dChris Craik * additionally map the state's bounds from local to window coordinates. 3425e49b307eb99269db2db257760508b8efd7bb97dChris Craik * 3435e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Returns true if quick-rejected 3445e49b307eb99269db2db257760508b8efd7bb97dChris Craik */ 345ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); 346527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore = false); 34728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik void setupMergedMultiDraw(const Rect* clipRect); 348c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 349d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } 350d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } 351d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 352672433d90fab7383cd28beac9d4485b566a90940Romain Guy ANDROID_API bool isCurrentTransformSimple() { 353672433d90fab7383cd28beac9d4485b566a90940Romain Guy return mSnapshot->transform->isSimple(); 354672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 355672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3560f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy Caches& getCaches() { 3570f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy return mCaches; 3580f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy } 3590f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 360ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // simple rect clip 361ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool isCurrentClipSimple() { 362ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return mSnapshot->clipRegion->isEmpty(); 363ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 364ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 3650e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik int getViewportWidth() { return getSnapshot()->viewport.getWidth(); } 3660e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik int getViewportHeight() { return getSnapshot()->viewport.getHeight(); } 3670e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik 36817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 369a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik * Scales the alpha on the current snapshot. This alpha value will be modulated 37017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 37117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 372a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik void scaleAlpha(float alpha) { 373a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik mSnapshot->alpha *= alpha; 37417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 37517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 37617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 3770f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy * Inserts a named event marker in the stream of GL commands. 3780f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy */ 3790f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy void eventMark(const char* name) const; 3800f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 3810f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy /** 38217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 38317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 38417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 38517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 38613631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 38717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 38817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 38917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 39017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 39113631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 39213631f3da855f200a151e7837ed9f6b079622b58Romain Guy 393d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 394d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 395d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 39616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not multiply the paint's alpha by the current snapshot's alpha, and does 39716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not replace the alpha with the overrideLayerAlpha 398d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 399d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 400d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 401d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 402d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 403d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 404527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *mode = getXfermodeDirect(paint); 405527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *alpha = getAlphaDirect(paint); 406527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 407527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 408527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik static inline SkXfermode::Mode getXfermodeDirect(SkPaint* paint) { 409527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return SkXfermode::kSrcOver_Mode; 410527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return getXfermode(paint->getXfermode()); 411527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 412527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 413c1c5f0870282b56dafe5a4d756e4b9e6884655a7Chris Craik static inline int getAlphaDirect(const SkPaint* paint) { 414527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return 255; 415527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return paint->getAlpha(); 416d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 417d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 418624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy /** 419624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy * Return the best transform to use to rasterize text given a full 420624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy * transform matrix. 421624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy */ 422624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 findBestFontTransform(const mat4& transform) const; 423624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 424527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#if DEBUG_MERGE_BEHAVIOR 425527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void drawScreenSpaceColorRect(float left, float top, float right, float bottom, int color) { 426527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(false); 427527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 428527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // should only be called outside of other draw ops, so stencil can only be in test state 429527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool stencilWasEnabled = mCaches.stencil.isTestEnabled(); 430527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.stencil.disable(); 431527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 432527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawColorRect(left, top, right, bottom, color, SkXfermode::kSrcOver_Mode, true); 433527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 434527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (stencilWasEnabled) mCaches.stencil.enableTest(); 435527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 436527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#endif 437527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 438e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 439e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 44035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Computes the projection matrix, initialize the first snapshot 44135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * and stores the dimensions of the render target. 44235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 44335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void initViewport(int width, int height); 44435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 44535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 44696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Perform the setup specific to a frame. This method does not 44796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * issue any OpenGL commands. 44896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 44996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void setupFrameState(float left, float top, float right, float bottom, bool opaque); 45096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 45196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 45296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Indicates the start of rendering. This method will setup the 45396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * initial OpenGL state (viewport, clearing the buffer, etc.) 45496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 45596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy status_t startFrame(); 45696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 45796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 4587c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * Clears the underlying surface if needed. 4597c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 4607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t clear(float left, float top, float right, float bottom, bool opaque); 4617c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 4627c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 46335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 46435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 46535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 46635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 46735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 4688ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * This method is called whenever a stencil buffer is required. Subclasses 4698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * should override this method and call attachStencilBufferToLayer() on the 4708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * appropriate layer(s). 4718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 4728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy virtual void ensureStencilBuffer(); 4738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 4748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 4758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Obtains a stencil render buffer (allocating it if necessary) and 4768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * attaches it to the specified layer. 4778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 4788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void attachStencilBufferToLayer(Layer* layer); 4798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 4808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 481e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 482e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 483e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 484e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 485e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 486e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 487e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 488e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 489e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); 490694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 491ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 492f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 493ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 494f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 495ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 496ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 497f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Returns the current snapshot. 498ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 499624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy sp<Snapshot> getSnapshot() const { 500f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot; 501f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 502ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 50342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 50442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 50542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 506624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual Region* getRegion() const { 507f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 508f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 509f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 51042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 51142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 51242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 513624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool hasLayer() const { 514f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 515f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 5161bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 51742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 51842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 51942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 520624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual GLint getTargetFbo() const { 52142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 52242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 52342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 52477a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 52577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 52677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 52777a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 52877a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 52977a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 53077a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 53177a811610f99e21da7f88dafef60d09f345d0506Romain Guy 532be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 533be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 53416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * alpha will be 255 and the xfermode will be SRC_OVER. Accounts for both 53516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * snapshot alpha, and overrideLayerAlpha 536be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 537be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 538be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 539be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 540be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 54116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; 54216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 54316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik /** 54416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha 54516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * 54616ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * @param layer The layer from which the alpha is extracted 54716ecda5317c40fc3da284952d9b3add34d6763aeChris Craik */ 54816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik inline float getLayerAlpha(Layer* layer) const; 549be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 550be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 551be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Safely retrieves the mode from the specified xfermode. If the specified 552be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 553be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 554be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { 555be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode resultMode; 556be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (!SkXfermode::AsMode(mode, &resultMode)) { 557be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy resultMode = SkXfermode::kSrcOver_Mode; 558be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 559be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return resultMode; 560be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 561be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 56211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 56311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 56411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 565624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool suppressErrorChecks() const { 56611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 56711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 56811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 56908ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 5705cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 571dcfc836b457a87881da409e1acf251515f121446Romain Guy * Discards the content of the framebuffer if supported by the driver. 572dcfc836b457a87881da409e1acf251515f121446Romain Guy * This method should be called at the beginning of a frame to optimize 573dcfc836b457a87881da409e1acf251515f121446Romain Guy * rendering on some tiler architectures. 574dcfc836b457a87881da409e1acf251515f121446Romain Guy */ 575dcfc836b457a87881da409e1acf251515f121446Romain Guy void discardFramebuffer(float left, float top, float right, float bottom); 576dcfc836b457a87881da409e1acf251515f121446Romain Guy 577dcfc836b457a87881da409e1acf251515f121446Romain Guy /** 578ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 579ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 580ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 581ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 582ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 583ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 5842b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 585c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method will use the clip rect that we started drawing the 586c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * frame with. 5872b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 5882b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 5892b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 59057b5268708c3b974296c7d4e58a02a957979224aRomain Guy void startTiling(const sp<Snapshot>& snapshot, bool opaque = false); 5912b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 5922b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 593c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 594c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method needs to be invoked every time getTargetFbo() is 595c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * bound again. 596c3fedafc5f50100219449125a000e3138f6fb987Romain Guy */ 597c3fedafc5f50100219449125a000e3138f6fb987Romain Guy void startTiling(const Rect& clip, int windowHeight, bool opaque = false); 598c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 599c3fedafc5f50100219449125a000e3138f6fb987Romain Guy /** 6002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 6012b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 6022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 6032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 6042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 6052b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 6065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Saves the current state of the renderer as a new snapshot. 6075cbbce535744b89df5ecea95de21ee3733298260Romain Guy * The new snapshot is saved in mSnapshot and the previous snapshot 6085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * is linked from mSnapshot->previous. 6095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * @param flags The save flags; see SkCanvas for more information 6118aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * 6125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @return The new save count. This value can be passed to #restoreToCount() 6135cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 6148aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int saveSnapshot(int flags); 6155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 6165cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6175cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. 6185cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6192542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy * @return True if the clip was modified. 6205cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 621bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy bool restoreSnapshot(); 622bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 6235cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6245cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 6255cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 6265cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 627bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 628bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 6295cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Sets the clipping region using the stencil buffer. The clip region 6318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is defined by the current snapshot's clipRegion member. 6328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 6338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void setStencilFromClip(); 6348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 6358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 636408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds of the layer, calculates ... 637d90144db52c7297879b950cbbc85137ed123ab5bChris Craik */ 638d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer); 639d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 640d90144db52c7297879b950cbbc85137ed123ab5bChris Craik /** 641408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds + clip of the layer, updates current snapshot's empty/invisible 642408eb12631376cbdc96803e918decf6ea804d346Chris Craik */ 643408eb12631376cbdc96803e918decf6ea804d346Chris Craik void updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 644408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha); 645408eb12631376cbdc96803e918decf6ea804d346Chris Craik 646408eb12631376cbdc96803e918decf6ea804d346Chris Craik /** 647d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 648d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 649d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 650d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 651d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 652d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 653d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 654d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 655d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 656d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 657d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 658d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 659d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 660d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 661e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik int alpha, SkXfermode::Mode mode, int flags); 662d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 663d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 670e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 68954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 69054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 69154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 69254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 69354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 69454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 69554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 696f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 697f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 698f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 699f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 700f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 701f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 702f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 703f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 704f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 705f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 706f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 707f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 708f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 7095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 710735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * are transformed by the current snapshot's transform matrix unless specified 711735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * otherwise. 7125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 7135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 7145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 7155cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 7165cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 7175cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 718026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 7193d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 7205cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 721026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 7221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 7235cbbce535744b89df5ecea95de21ee3733298260Romain Guy 72454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 725735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * Draws a series of colored rectangles with the specified color. The specified 726735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * coordinates are transformed by the current snapshot's transform matrix unless 727735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * specified otherwise. 728735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * 729735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param rects A list of rectangles, 4 floats (left, top, right, bottom) 730735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * per rectangle 731735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param color The rectangles' ARGB color, defined as a packed 32 bits word 732735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param mode The Skia xfermode to use 733735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param ignoreTransform True if the current transform should be ignored 7348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * @param dirty True if calling this method should dirty the current layer 7353bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * @param clip True if the rects should be clipped, false otherwise 736735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy */ 737735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy status_t drawColorRects(const float* rects, int count, int color, 7383bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform = false, 7393bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy bool dirty = true, bool clip = true); 740735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 741735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy /** 74254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 74354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 74454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 74554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 74654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 74754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 74854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 74954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 75054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 75154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 752486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); 75354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 75454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 75554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 75654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 75754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 75854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 75954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 76054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 76154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 76254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 763a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); 764a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 76554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 76665cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a strip of polygons with the specified paint, used for tessellated geometry. 76765cd612face362d054a85d0f7e5881c59cd523beChris Craik * 76865cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param vertexBuffer The VertexBuffer to be drawn 76965cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param paint The paint to render with 77065cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) 77165cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 77265cd612face362d054a85d0f7e5881c59cd523beChris Craik status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 77365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = false); 77465cd612face362d054a85d0f7e5881c59cd523beChris Craik 77565cd612face362d054a85d0f7e5881c59cd523beChris Craik /** 776710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 77754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 778710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 779cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 78054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 78165cd612face362d054a85d0f7e5881c59cd523beChris Craik status_t drawConvexPath(const SkPath& path, SkPaint* paint); 782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 7835cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 7845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 7855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 7865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 7875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 7885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 7895cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 7905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 7915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 7925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 793d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 794c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 7955cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 796bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 797a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 798c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 799026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 80082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 80182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 80282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 80382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 80482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 80582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 80682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 80782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 80882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 80982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 810a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 8118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint); 81282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 81382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 81403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 81503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 81603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 81782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 81882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 81982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 82082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 82182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 82282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 82382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 82482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 82582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 82682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 82782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 82882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 829f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 830f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 83103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param ignoreScale True if the model view matrix should not be scaled 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 834f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 835f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 836a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 8376820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool ignoreScale = false, bool dirty = true); 840f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 8413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, 8423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float alpha, SkXfermode::Mode mode, bool blend, 8433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 8443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 8453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool ignoreScale = false, bool dirty = true); 8463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 847886b275e529e44a59c54b933453d9bc902973178Romain Guy void drawAlpha8TextureMesh(float left, float top, float right, float bottom, 848886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 849886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 850527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool ignoreTransform, bool ignoreScale = false, bool dirty = true); 851886b275e529e44a59c54b933453d9bc902973178Romain Guy 852f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 853448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. 854448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * If the number of vertices to draw exceeds the number of indices we have 855448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * pre-allocated, this method will generate several glDrawElements() calls. 856448455fe783b0a711340322dca272b8cc0ebe473Romain Guy */ 857448455fe783b0a711340322dca272b8cc0ebe473Romain Guy void drawIndexedQuads(Vertex* mesh, GLsizei quadsCount); 858448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 859448455fe783b0a711340322dca272b8cc0ebe473Romain Guy /** 8600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 8610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 8620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 8630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 86441541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik * @param totalAdvance The total advance in pixels, defines underline/strikethrough length 8650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 8660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 8670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 8680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 869e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik void drawTextDecorations(float totalAdvance, float x, float y, SkPaint* paint); 8701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 871416a847633680d94efb926837efdc18726d54918Raph Levien /** 872416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 873416a847633680d94efb926837efdc18726d54918Raph Levien * 874416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 875416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 876416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 877416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 878416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 879416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 880416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 881416a847633680d94efb926837efdc18726d54918Raph Levien * @param mode The xfermode for drawing the shadow 882416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 883416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 884416a847633680d94efb926837efdc18726d54918Raph Levien */ 885416a847633680d94efb926837efdc18726d54918Raph Levien void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 886416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 887416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 888416a847633680d94efb926837efdc18726d54918Raph Levien 88954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 89054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 89154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 89254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 89354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 89454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 89554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 89654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 89754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 898416a847633680d94efb926837efdc18726d54918Raph Levien void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); 89901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 9001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 901ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 902026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 903026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 9048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 905026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 906026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 907026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 908026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 909026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 910026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 911026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 912026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 9138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 914768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy * Returns true if the specified paint will draw invisible text. 915768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy */ 916768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy bool canSkipText(const SkPaint* paint) const; 917768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 918768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy /** 919746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 920746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 921a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 922746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 9238aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(texture); 924746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 925746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 926746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 927aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 928aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 929aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 930aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 9318aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 932aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 933aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 934aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 93582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 93682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 93782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 938f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 939f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 940a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 941f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 942d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 943d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 944d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 945d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 9466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 947d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 948d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 949d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 950260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 951889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 952260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 953746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 954746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 955746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 95654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 95717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 95870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 962ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawWithTextureAndColor(bool isAlpha8 = false); 963aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 96415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 965710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawAA(); 9668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 96886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 9694121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 97470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 97570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 9788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase void setupDrawModelViewIdentity(bool offset = false); 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelView(float left, float top, float right, float bottom, 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false, bool ignoreModelView = false); 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawModelViewTranslate(float left, float top, float right, float bottom, 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform = false); 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 98486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 9858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawShaderIdentityUniforms(); 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 990aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 9918f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 9928f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 9934121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 9948d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); 995ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors); 9963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo = 0); 997448455fe783b0a711340322dca272b8cc0ebe473Romain Guy void setupDrawIndexedVertices(GLvoid* vertices); 998f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 999746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 100011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 100111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 100296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void flushLayers(); 100311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1004e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#if DEBUG_LAYERS_AS_REGIONS 100517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 100617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 100717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 100817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 1009e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik void drawRegionRectsDebug(const Region& region); 1010e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 10113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 10138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Renders the specified region as a series of rectangles. The region 10148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * must be in screen-space coordinates. 10158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 10168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void drawRegionRects(const SkRegion& region, int color, SkXfermode::Mode mode, 10178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool dirty = false); 10188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 10208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS 10218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is turned on. 10228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 10238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void debugClip(); 10248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10257c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 10267c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 102778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy void countOverdraw(); 10287c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 1029746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 1030746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 1031746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 1032746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 1033746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 1034746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 1035746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 10363b753829ae858d424fe109f714745379a6daf455Romain Guy inline mat4& currentTransform() const { 10373b753829ae858d424fe109f714745379a6daf455Romain Guy return *mSnapshot->transform; 10383b753829ae858d424fe109f714745379a6daf455Romain Guy } 10393b753829ae858d424fe109f714745379a6daf455Romain Guy 10403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy inline const UvMapper& getMapper(const Texture* texture) { 10413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; 10423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 10433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 10443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy /** 10453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Returns a texture object for the specified bitmap. The texture can 10463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * come from the texture cache or an atlas. If this method returns 10473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * NULL, the texture could not be found and/or allocated. 10483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 10493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Texture* getTexture(SkBitmap* bitmap); 10503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1051bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Dimensions of the drawing surface 1052bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mWidth, mHeight; 1053bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 105485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy // Matrix used for ortho projection in shaders 1055260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mat4 mOrthoMatrix; 1056bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1057c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy // Model-view matrix used to position/size objects 1058c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 1059c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1060bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Number of saved states 1061bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy int mSaveCount; 1062f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy // Base state 1063ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy sp<Snapshot> mFirstSnapshot; 1064bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy // Current state 1065bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy sp<Snapshot> mSnapshot; 10662b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 10675f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect mTilingClip; 106896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is the target render surface opaque 106996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mOpaque; 107096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is a frame currently being rendered 107196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mFrameStarted; 10729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1073026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 1074ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 1075ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 10763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // Default UV mapper 10773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper mUvMapper; 10783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1079c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // shader, filters, and shadow 1080c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 10815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 10825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 108382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 1084fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 10853bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Extensions& mExtensions; 10868694230ff25fa0a60e480d424843e56b718f0516Romain Guy 10878f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 108854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 10898f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 1090ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> mFunctors; 109111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 109211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Vector<Layer*> mLayerUpdates; 109354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1094746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy // Indicates whether the clip must be restored 1095746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bool mDirtyClip; 1096746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 109870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 109970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 110070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 110170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 110270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 110370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 110470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 110670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 110770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 11092b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 11102b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 111387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 111487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 111587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 111654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // No-ops start/endTiling when set 111754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy bool mSuppressTiling; 111854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 111978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // If true, this renderer will setup drawing to emulate 112078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // an increment stencil buffer in the color buffer 112178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy bool mCountOverdraw; 112278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy float mOverdraw; 112378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1124ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy // Optional name of the renderer 1125ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy String8 mName; 1126ef35927abcd089652f87a985dd6dde7afde58b92Romain Guy 1127b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 112896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy friend class Layer; 1129257ae3502cfad43df681b1783528d645bdabc63fRomain Guy friend class TextSetupFunctor; 113003c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawBitmapOp; 113103c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawPatchOp; 1132b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 1133bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 1134e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11359d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1136e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1137e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 1139