OpenGLRenderer.h revision 62d307c2402777d5e53b4590af5f32f8c55afd81
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> 2476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger#include <SkCanvas.h> 2576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger#include <SkColorFilter.h> 26f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 27ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkPaint.h> 28079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy#include <SkRegion.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 30e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 31c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger#include <utils/Blur.h> 32daf98e941e140e8739458126640183b9f296a2abChet Haase#include <utils/Functor.h> 33bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include <utils/RefBase.h> 34ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy#include <utils/SortedVector.h> 358694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 36bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 377953745dd565167113f8cbfc461bc0521d32d870Romain Guy#include <cutils/compiler.h> 387953745dd565167113f8cbfc461bc0521d32d870Romain Guy 393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <androidfw/ResourceTypes.h> 403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 41c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 4251769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 43f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 445cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 45bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 46b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Renderer.h" 47b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Snapshot.h" 48d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III#include "StatefulBaseRenderer.h" 493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "UvMapper.h" 50b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Vertex.h" 51fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 5252244fff29042926e21fa897ef5ab11148e35299John Reck#include "CanvasProperty.h" 53bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 54d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass SkShader; 55d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 56e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 579d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 59b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass DeferredDisplayState; 603b20251a355c88193c439f928a84ae69483fb488John Reckclass RenderState; 61e18264b079481a244b30e3f71012c53bbd861f92John Reckclass RenderNode; 62b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass TextSetupFunctor; 63b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass VertexBuffer; 64b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik 65c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DrawModifiers { 669b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy DrawModifiers() { 679b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy reset(); 689b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 699b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 709b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy void reset() { 719b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy memset(this, 0, sizeof(DrawModifiers)); 729b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 739b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 7416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float mOverrideLayerAlpha; 75c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 76c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Draw filters 77c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasDrawFilter; 78c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterClearBits; 79c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterSetBits; 80c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 81c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 82ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikenum StateDeferFlags { 83ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Draw = 0x1, 84ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Clip = 0x2 85ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik}; 86ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 8728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikenum ClipSideFlags { 88a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik kClipSide_None = 0x0, 8928ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Left = 0x1, 9028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Top = 0x2, 9128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Right = 0x4, 9228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Bottom = 0x8, 93d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_Full = 0xF, 94d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_ConservativeFull = 0x1F 9528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik}; 9628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik/** 984063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Defines additional transformation that should be applied by the model view matrix, beyond that of 994063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * the currentTransform() 1004063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1014063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikenum ModelViewMode { 1024063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 1034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used when the model view should simply translate geometry passed to the shader. The resulting 1044063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * matrix will be a simple translation. 1054063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1064063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate = 0, 1074063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 1084063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 1094063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used when the model view should translate and scale geometry. The resulting matrix will be a 1104063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * translation + scale. This is frequently used together with VBO 0, the (0,0,1,1) rect. 1114063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1124063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_TranslateAndScale = 1, 1134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik}; 1144063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 115f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 116f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 117f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 11914e513058ed4168c94e015638d16f5f87fd8063aChris Craik * OpenGL Renderer implementation. 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 12114e513058ed4168c94e015638d16f5f87fd8063aChris Craikclass OpenGLRenderer : public StatefulBaseRenderer { 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 1233b20251a355c88193c439f928a84ae69483fb488John Reck OpenGLRenderer(RenderState& renderState); 124e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1263b20251a355c88193c439f928a84ae69483fb488John Reck void initProperties(); 127058fc640017c90120c599d378a4cbc55668b05b7Chris Craik void initLight(const Vector3& lightCenter, float lightRadius, 128058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha); 12987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 130797b95b26bbb7557678af78b9a2a61830158920fChris Craik virtual void onViewportInitialized(); 1317c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); 13217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 133c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 1343b20251a355c88193c439f928a84ae69483fb488John Reck void setCountOverdrawEnabled(bool enabled) { 13578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = enabled; 13678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 13778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1383b20251a355c88193c439f928a84ae69483fb488John Reck float getOverdraw() { 13978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return mCountOverdraw ? mOverdraw : 0.0f; 14078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 14178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1428f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 14308ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1443b20251a355c88193c439f928a84ae69483fb488John Reck void pushLayerUpdate(Layer* layer); 1453b20251a355c88193c439f928a84ae69483fb488John Reck void cancelLayerUpdate(Layer* layer); 1463b20251a355c88193c439f928a84ae69483fb488John Reck void clearLayerUpdates(); 1473b20251a355c88193c439f928a84ae69483fb488John Reck void flushLayerUpdates(); 14811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1493b20251a355c88193c439f928a84ae69483fb488John Reck virtual int saveLayer(float left, float top, float right, float bottom, 1503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags) { 1513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik return saveLayer(left, top, right, bottom, paint, flags, NULL); 1523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 1533f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1543f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Specialized saveLayer implementation, which will pass the convexMask to an FBO layer, if 1553f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // created, which will in turn clip to that mask when drawn back/restored. 1563f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik int saveLayer(float left, float top, float right, float bottom, 1573f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask); 158bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 159d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int saveLayerDeferred(float left, float top, float right, float bottom, 160d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags); 161d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 162a7090e0cfd7c719a6d4c03aae34f5db98754cbddChris Craik virtual status_t drawRenderNode(RenderNode* displayList, Rect& dirty, int32_t replayFlags = 1); 163a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik virtual status_t drawLayer(Layer* layer, float x, float y); 164d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, float left, float top, 165d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 166d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 167d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, bool pureTranslate, const Rect& bounds, const SkPaint* paint); 168139088228faa7f3c446af7387e017933998a5570Derek Sollenberger virtual status_t drawBitmap(const SkBitmap* bitmap, const SkMatrix& matrix, 169d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 170d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop, 171e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 172d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float dstRight, float dstBottom, const SkPaint* paint); 173d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmapData(const SkBitmap* bitmap, float left, float top, 174d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 175d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 176d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint); 177d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 178d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint); 179d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 180d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 181d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawPatch(const SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 182d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 183486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 184d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawRect(float left, float top, float right, float bottom, 185d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 186486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 187d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* paint); 188d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawCircle(float x, float y, float radius, const SkPaint* paint); 189d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawOval(float left, float top, float right, float bottom, 190d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 191486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 192d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint); 193d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPath(const SkPath* path, const SkPaint* paint); 194d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawLines(const float* points, int count, const SkPaint* paint); 195d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPoints(const float* points, int count, const SkPaint* paint); 196d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, const SkPath* path, 197d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float hOffset, float vOffset, const SkPaint* paint); 198486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 199d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint); 200c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 201d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 202527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode = kDrawOpMode_Immediate); 203d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawRects(const float* rects, int count, const SkPaint* paint); 20485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 20505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik status_t drawShadow(float casterAlpha, 20605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer); 207f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 2085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 2095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 2105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 21116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) 21216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } 21316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 214d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* filterPaint(const SkPaint* paint); 2155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2165e49b307eb99269db2db257760508b8efd7bb97dChris Craik /** 2175e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Store the current display state (most importantly, the current clip and transform), and 2185e49b307eb99269db2db257760508b8efd7bb97dChris Craik * additionally map the state's bounds from local to window coordinates. 2195e49b307eb99269db2db257760508b8efd7bb97dChris Craik * 2205e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Returns true if quick-rejected 2215e49b307eb99269db2db257760508b8efd7bb97dChris Craik */ 222ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); 223527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore = false); 22428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik void setupMergedMultiDraw(const Rect* clipRect); 225c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 226d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } 227d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } 228d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 2293b20251a355c88193c439f928a84ae69483fb488John Reck bool isCurrentTransformSimple() { 230d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return currentTransform()->isSimple(); 231672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 232672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2330f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy Caches& getCaches() { 2340f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy return mCaches; 2350f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy } 2360f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 237ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // simple rect clip 238ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool isCurrentClipSimple() { 239ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return mSnapshot->clipRegion->isEmpty(); 240ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 241ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 242a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportWidth() { return currentSnapshot()->getViewportWidth(); } 243a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportHeight() { return currentSnapshot()->getViewportHeight(); } 2440e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik 24517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 246a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik * Scales the alpha on the current snapshot. This alpha value will be modulated 24717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 24817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 249a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik void scaleAlpha(float alpha) { 250a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik mSnapshot->alpha *= alpha; 25117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 25217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 25317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 2540f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy * Inserts a named event marker in the stream of GL commands. 2550f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy */ 2560f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy void eventMark(const char* name) const; 2570f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 2580f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy /** 25962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik * Inserts a formatted event marker in the stream of GL commands. 26062d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik */ 26162d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik void eventMarkDEBUG(const char *fmt, ...) const; 26262d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 26362d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik /** 26417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 26517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 26617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 26717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 26813631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 26917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 27017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 27117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 27217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 27313631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 27413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 275d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 276d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 277d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 27816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not multiply the paint's alpha by the current snapshot's alpha, and does 27916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not replace the alpha with the overrideLayerAlpha 280d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 281d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 282d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 283d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 284d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 285d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline void getAlphaAndModeDirect(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 286527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *mode = getXfermodeDirect(paint); 287527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *alpha = getAlphaDirect(paint); 288527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 289527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 290d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline SkXfermode::Mode getXfermodeDirect(const SkPaint* paint) { 291527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return SkXfermode::kSrcOver_Mode; 292527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return getXfermode(paint->getXfermode()); 293527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 294527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 295c1c5f0870282b56dafe5a4d756e4b9e6884655a7Chris Craik static inline int getAlphaDirect(const SkPaint* paint) { 296527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return 255; 297527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return paint->getAlpha(); 298d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 299d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 300c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger struct TextShadow { 301c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkScalar radius; 302c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float dx; 303c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float dy; 304c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkColor color; 305c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger }; 306c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 307c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger static inline bool getTextShadow(const SkPaint* paint, TextShadow* textShadow) { 308c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkDrawLooper::BlurShadowRec blur; 309c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (paint && paint->getLooper() && paint->getLooper()->asABlurShadow(&blur)) { 310c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (textShadow) { 311c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->radius = Blur::convertSigmaToRadius(blur.fSigma); 312c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->dx = blur.fOffset.fX; 313c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->dy = blur.fOffset.fY; 314c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->color = blur.fColor; 315c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 316c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return true; 317c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 318c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return false; 319c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 320c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 321c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger static inline bool hasTextShadow(const SkPaint* paint) { 322c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return getTextShadow(paint, NULL); 323c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 324c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 325624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy /** 32659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Build the best transform to use to rasterize text given a full 32759744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * transform matrix, and whether filteration is needed. 32859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * 32959744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Returns whether filtration is needed 330624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy */ 33159744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const; 332624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 333527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#if DEBUG_MERGE_BEHAVIOR 334527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void drawScreenSpaceColorRect(float left, float top, float right, float bottom, int color) { 335527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(false); 336527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 337527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // should only be called outside of other draw ops, so stencil can only be in test state 338527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool stencilWasEnabled = mCaches.stencil.isTestEnabled(); 339527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.stencil.disable(); 340527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 341527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawColorRect(left, top, right, bottom, color, SkXfermode::kSrcOver_Mode, true); 342527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 343527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (stencilWasEnabled) mCaches.stencil.enableTest(); 344527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 345527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#endif 346527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 34705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const Vector3& getLightCenter() const { return mLightCenter; } 34805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik float getLightRadius() const { return mLightRadius; } 34905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 350e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 351e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 35296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Perform the setup specific to a frame. This method does not 35396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * issue any OpenGL commands. 35496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 35596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void setupFrameState(float left, float top, float right, float bottom, bool opaque); 35696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 35796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 35896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Indicates the start of rendering. This method will setup the 35996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * initial OpenGL state (viewport, clearing the buffer, etc.) 36096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 36196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy status_t startFrame(); 36296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 36396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 3647c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * Clears the underlying surface if needed. 3657c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 3667c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t clear(float left, float top, float right, float bottom, bool opaque); 3677c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 3687c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 36935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 37035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 37135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 37235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 37335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 3748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * This method is called whenever a stencil buffer is required. Subclasses 3758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * should override this method and call attachStencilBufferToLayer() on the 3768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * appropriate layer(s). 3778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy virtual void ensureStencilBuffer(); 3798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 3808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 3818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Obtains a stencil render buffer (allocating it if necessary) and 3828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * attaches it to the specified layer. 3838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void attachStencilBufferToLayer(Layer* layer); 3858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 386f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool quickRejectSetupScissor(float left, float top, float right, float bottom, 387d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint = NULL); 388d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool quickRejectSetupScissor(const Rect& bounds, const SkPaint* paint = NULL) { 389f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik return quickRejectSetupScissor(bounds.left, bounds.top, 390f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bounds.right, bounds.bottom, paint); 391f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik } 392f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik 3938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 394e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 395e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 396e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 397e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 398e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 399e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 400e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 401e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 40214e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual void composeLayer(const Snapshot& current, const Snapshot& previous); 403694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 404ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 405f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 406ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 407f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 408ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 40942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 41042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 41142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 412624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual Region* getRegion() const { 413f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 414f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 415f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 41642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 41742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 41842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 419624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool hasLayer() const { 420f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 421f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 4221bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 42342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 42442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 42542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 42614e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual GLuint getTargetFbo() const { 42742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 42842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 42942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 43077a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 43177a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 43277a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 43377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 43477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 43577a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 43677a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 43777a811610f99e21da7f88dafef60d09f345d0506Romain Guy 438be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 439be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 44016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * alpha will be 255 and the xfermode will be SRC_OVER. Accounts for both 44116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * snapshot alpha, and overrideLayerAlpha 442be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 443be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 444be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 445be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 446be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 447d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; 44816ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 44916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik /** 45016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha 45116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * 45216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * @param layer The layer from which the alpha is extracted 45316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik */ 45476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger inline float getLayerAlpha(const Layer* layer) const; 455be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 456be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 45776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * Safely retrieves the ColorFilter from the given Paint. If the paint is 45876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * null then null is returned. 459be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 46076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger static inline SkColorFilter* getColorFilter(const SkPaint* paint) { 46176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger return paint ? paint->getColorFilter() : NULL; 462be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 463be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 46411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 465d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * Safely retrieves the Shader from the given Paint. If the paint is 466d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * null then null is returned. 467d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III */ 468d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III static inline const SkShader* getShader(const SkPaint* paint) { 469d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III return paint ? paint->getShader() : NULL; 470d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 471d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 472d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III /** 47311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 47411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 475624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool suppressErrorChecks() const { 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 47811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4793b20251a355c88193c439f928a84ae69483fb488John Reck inline RenderState& renderState() { return mRenderState; } 4803b20251a355c88193c439f928a84ae69483fb488John Reck 48108ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 4825cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 483dcfc836b457a87881da409e1acf251515f121446Romain Guy * Discards the content of the framebuffer if supported by the driver. 484dcfc836b457a87881da409e1acf251515f121446Romain Guy * This method should be called at the beginning of a frame to optimize 485dcfc836b457a87881da409e1acf251515f121446Romain Guy * rendering on some tiler architectures. 486dcfc836b457a87881da409e1acf251515f121446Romain Guy */ 487dcfc836b457a87881da409e1acf251515f121446Romain Guy void discardFramebuffer(float left, float top, float right, float bottom); 488dcfc836b457a87881da409e1acf251515f121446Romain Guy 489dcfc836b457a87881da409e1acf251515f121446Romain Guy /** 490ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 491ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 492ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 493ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 494ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 495ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 4962b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 497d6b65f67717025b1162f86f04e2caa5723566cacChris Craik * This method will use the current layer space clip rect. 4982b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 4992b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 5002b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 50133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen void startTilingCurrentClip(bool opaque = false, bool expand = false); 5022b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 5032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 504c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 505c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method needs to be invoked every time getTargetFbo() is 506c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * bound again. 507c3fedafc5f50100219449125a000e3138f6fb987Romain Guy */ 50833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen void startTiling(const Rect& clip, int windowHeight, bool opaque = false, bool expand = false); 509c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 510c3fedafc5f50100219449125a000e3138f6fb987Romain Guy /** 5112b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 5122b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 5132b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 5142b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 5152b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 51614e513058ed4168c94e015638d16f5f87fd8063aChris Craik void onSnapshotRestored(const Snapshot& removed, const Snapshot& restored); 517bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5185cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5195cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 5205cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 5215cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 522bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 523bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5245cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Sets the clipping region using the stencil buffer. The clip region 5268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is defined by the current snapshot's clipRegion member. 5278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 5288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void setStencilFromClip(); 5298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 5308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 531408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds of the layer, calculates ... 532d90144db52c7297879b950cbbc85137ed123ab5bChris Craik */ 533d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer); 534d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 535d90144db52c7297879b950cbbc85137ed123ab5bChris Craik /** 536408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds + clip of the layer, updates current snapshot's empty/invisible 537408eb12631376cbdc96803e918decf6ea804d346Chris Craik */ 538408eb12631376cbdc96803e918decf6ea804d346Chris Craik void updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 539408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha); 540408eb12631376cbdc96803e918decf6ea804d346Chris Craik 541408eb12631376cbdc96803e918decf6ea804d346Chris Craik /** 542d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 543d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 544d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 545d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 546d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 547d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 548d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 549d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 550d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 551d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 5523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik * @param mask A mask to use when drawing the layer back, may be empty 553d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 554d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 555d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 556d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 5573f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask); 558d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 559d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 566e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 58554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 58654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 58754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 58854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 58954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 59054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 59154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 592f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 593f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 594f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 595f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 596f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 597f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 598f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 599f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 600f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 601f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 602f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 603f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 604f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 6055cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 606735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * are transformed by the current snapshot's transform matrix unless specified 607735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * otherwise. 6085cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6095cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 61376d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the color, blending mode, etc. 6143d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 6155cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 616026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 61776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform = false); 6185cbbce535744b89df5ecea95de21ee3733298260Romain Guy 61954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 620735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * Draws a series of colored rectangles with the specified color. The specified 621735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * coordinates are transformed by the current snapshot's transform matrix unless 622735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * specified otherwise. 623735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * 624735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param rects A list of rectangles, 4 floats (left, top, right, bottom) 625735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * per rectangle 62676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the color, blending mode, etc. 627735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param ignoreTransform True if the current transform should be ignored 6288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * @param dirty True if calling this method should dirty the current layer 6293bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * @param clip True if the rects should be clipped, false otherwise 630735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy */ 63176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger status_t drawColorRects(const float* rects, int count, const SkPaint* paint, 63276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform = false, bool dirty = true, bool clip = true); 633735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 634735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy /** 63554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 63654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 63754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 63854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 63954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 64054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 64154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 64254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 64354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 64454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 645d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawShape(float left, float top, const PathTexture* texture, const SkPaint* paint); 64654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 64754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 64854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 64954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 65054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 65154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 65254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 65354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 65454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 65554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 656d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint); 657a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 65854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 65965cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a strip of polygons with the specified paint, used for tessellated geometry. 66065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 66165cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param vertexBuffer The VertexBuffer to be drawn 66265cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param paint The paint to render with 66365cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) 66465cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 66505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik status_t drawVertexBuffer(float translateX, float translateY, const VertexBuffer& vertexBuffer, 66663d41abb40b3ce40d8b9bccb1cf186e8158a3687ztenghui const SkPaint* paint, bool useOffset = false); 66765cd612face362d054a85d0f7e5881c59cd523beChris Craik 66865cd612face362d054a85d0f7e5881c59cd523beChris Craik /** 66905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik * Convenience for translating method 67005f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik */ 67105f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, 67205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik const SkPaint* paint, bool useOffset = false) { 67305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik return drawVertexBuffer(0.0f, 0.0f, vertexBuffer, paint, useOffset); 67405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } 67505f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 67605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik /** 677710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 67854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 679710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 680cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 68154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 682d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawConvexPath(const SkPath& path, const SkPaint* paint); 683858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 6845cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 6865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 6875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6895cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 69282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 69382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 69482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 695a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 696d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint); 69782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 69882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 69903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 70003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 70103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 70282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 70382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 70482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 70582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 70682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 70782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 70876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the alpha, blending mode, colorFilter, etc. 70982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 71082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 71182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 71282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 713f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 714f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 71503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 7164063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param modelViewMode Defines whether the model view matrix should be scaled 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 718f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 719f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 72076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool blend, 7216820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7234063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 724f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 7253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, 72676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool blend, 7273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7294063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 7303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 731886b275e529e44a59c54b933453d9bc902973178Romain Guy void drawAlpha8TextureMesh(float left, float top, float right, float bottom, 73276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 733886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7344063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, 7354063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool dirty = true); 736886b275e529e44a59c54b933453d9bc902973178Romain Guy 737f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 738448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. 739448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * If the number of vertices to draw exceeds the number of indices we have 740448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * pre-allocated, this method will generate several glDrawElements() calls. 741448455fe783b0a711340322dca272b8cc0ebe473Romain Guy */ 7424063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount); 743448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 744448455fe783b0a711340322dca272b8cc0ebe473Romain Guy /** 7450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 7460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 7470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 7480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 74941541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik * @param totalAdvance The total advance in pixels, defines underline/strikethrough length 7500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 7510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 7520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 7530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 754d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextDecorations(float totalAdvance, float x, float y, const SkPaint* paint); 7551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 756416a847633680d94efb926837efdc18726d54918Raph Levien /** 757416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 758416a847633680d94efb926837efdc18726d54918Raph Levien * 759416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 760416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 761416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 762416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 763416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 764416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 765416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 766416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 767416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 768416a847633680d94efb926837efdc18726d54918Raph Levien */ 769d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextShadow(const SkPaint* paint, const char* text, int bytesCount, int count, 77076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float* positions, FontRenderer& fontRenderer, int alpha, 771416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 772416a847633680d94efb926837efdc18726d54918Raph Levien 77354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 77454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 77554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 77654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 77754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 77854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 77954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 78054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 78154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 782d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawPathTexture(const PathTexture* texture, float x, float y, const SkPaint* paint); 78301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 7841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 785ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 786026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 787026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 7888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 789026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 790026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 791026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 792026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 793026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 794026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 795026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 796026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 7978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 798768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy * Returns true if the specified paint will draw invisible text. 799768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy */ 800768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy bool canSkipText(const SkPaint* paint) const; 801768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 802768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy /** 803746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 804746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 805a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 806746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 8078aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(texture); 808746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 809746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 810746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 811aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 812aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 813aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 814aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 8158aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 816aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 817aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 818aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 81982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 82082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 82182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 822f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 823f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 824a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 825f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 826d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 827d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 828d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 829d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 8306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 831d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 832d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 833d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 834260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 835889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 836260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 837746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 838746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 839746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 84054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 84117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 846ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawWithTextureAndColor(bool isAlpha8 = false); 847aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 84815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 849710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawAA(); 8508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 85170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 85286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 8534121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 854d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawShader(const SkShader* shader); 85576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawColorFilter(const SkColorFilter* filter); 85676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawBlending(const Layer* layer, bool swapSrcDst = false); 85776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawBlending(const SkPaint* paint, bool blend = true, bool swapSrcDst = false); 85870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 85970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 8604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 8614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 8624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Setup the current program matrices based upon the nature of the geometry. 8634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param mode If kModelViewMode_Translate, the geometry must be translated by the left and top 8654063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * parameters. If kModelViewMode_TranslateAndScale, the geometry that exists in the (0,0, 1,1) 8664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * space must be scaled up and translated to fill the quad provided in (l,t,r,b). These 8674063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * transformations are stored in the modelView matrix and uploaded to the shader. 8684063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8694063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param offset Set to true if the the matrix should be fudged (translated) slightly to disambiguate 870564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik * geometry pixel positioning. See Vertex::GeometryFudgeFactor(). 8714063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8724063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param ignoreTransform Set to true if l,t,r,b coordinates already in layer space, 8734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform() will be ignored. (e.g. when drawing clip in layer coordinates to stencil, 8744063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * or when simple translation has been extracted) 8754063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 8764063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void setupDrawModelView(ModelViewMode mode, bool offset, 8774063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform = false); 878d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawColorUniforms(bool hasShader); 87986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 880d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 881d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III /** 882d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * Setup uniforms for the current shader. 883d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * 884d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * @param shader SkShader on the current paint. 885d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * 886d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * @param ignoreTransform Set to true to ignore the transform in shader. 887d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III */ 888d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform = false); 88976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawColorFilterUniforms(const SkColorFilter* paint); 89070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 89170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 892aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 8938f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 8948f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 8954121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 896564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords = NULL, GLuint vbo = 0); 897564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords, const GLvoid* colors); 898564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMeshIndices(const GLvoid* vertices, const GLvoid* texCoords, GLuint vbo = 0); 899448455fe783b0a711340322dca272b8cc0ebe473Romain Guy void setupDrawIndexedVertices(GLvoid* vertices); 900f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 901746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 90211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 90311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 90496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void flushLayers(); 90511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 906e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#if DEBUG_LAYERS_AS_REGIONS 90717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 90817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 90917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 91017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 911e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik void drawRegionRectsDebug(const Region& region); 912e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Renders the specified region as a series of rectangles. The region 9168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * must be in screen-space coordinates. 9178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 91876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty = false); 9198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS 9228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is turned on. 9238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 9248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void debugClip(); 9258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9267c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 9277c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 92878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy void countOverdraw(); 9297c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 930746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 931746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 932746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 933746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 934746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 935746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 936746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 9373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy inline const UvMapper& getMapper(const Texture* texture) { 9383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; 9393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 9403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 9413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy /** 9423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Returns a texture object for the specified bitmap. The texture can 9433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * come from the texture cache or an atlas. If this method returns 9443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * NULL, the texture could not be found and/or allocated. 9453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 946d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* getTexture(const SkBitmap* bitmap); 9473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 9484063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 9494063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Model-view matrix used to position/size objects 9504063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9514063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Stores operation-local modifications to the draw matrix that aren't incorporated into the 9524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform(). 9534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 954e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * If generated with kModelViewMode_Translate, mModelViewMatrix will reflect an x/y offset, 9554063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * e.g. the offset in drawLayer(). If generated with kModelViewMode_TranslateAndScale, 956e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * mModelViewMatrix will reflect a translation and scale, e.g. the translation and scale 957e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * required to make VBO 0 (a rect of (0,0,1,1)) scaled to match the x,y offset, and width/height 958e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * of a bitmap. 9594063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used as input to SkiaShader transformation. 9614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 962e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mat4 mModelViewMatrix; 963c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 9642b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 9655f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect mTilingClip; 96696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is the target render surface opaque 96796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mOpaque; 96896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is a frame currently being rendered 96996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mFrameStarted; 9709d5316e3f56d138504565ff311145ac01621dff4Romain Guy 971026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 972ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 973ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 9743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // Default UV mapper 9753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper mUvMapper; 9763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 977c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // shader, filters, and shadow 978c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 9795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 9805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 98182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 982fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 9833bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Extensions& mExtensions; 9843b20251a355c88193c439f928a84ae69483fb488John Reck RenderState& mRenderState; 9858694230ff25fa0a60e480d424843e56b718f0516Romain Guy 9868f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 98811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 98911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Vector<Layer*> mLayerUpdates; 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 99270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 10032b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 10042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 100787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 100887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 100987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 101054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // No-ops start/endTiling when set 101154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy bool mSuppressTiling; 101254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 101378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // If true, this renderer will setup drawing to emulate 101478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // an increment stencil buffer in the color buffer 101578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy bool mCountOverdraw; 101678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy float mOverdraw; 101778dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1018deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool mSkipOutlineClip; 1019deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1020058fc640017c90120c599d378a4cbc55668b05b7Chris Craik // Lighting + shadows 1021058fc640017c90120c599d378a4cbc55668b05b7Chris Craik Vector3 mLightCenter; 1022058fc640017c90120c599d378a4cbc55668b05b7Chris Craik float mLightRadius; 1023058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t mAmbientShadowAlpha; 1024058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t mSpotShadowAlpha; 1025058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 102696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy friend class Layer; 1027257ae3502cfad43df681b1783528d645bdabc63fRomain Guy friend class TextSetupFunctor; 102803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawBitmapOp; 102903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawPatchOp; 1030b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 1031bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 1032e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10339d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1034e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1035e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 1037