OpenGLRenderer.h revision 117bdbcfa3e8306dad21e7e01fa71b00cdfa7265
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 41984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson#include "CanvasState.h" 42c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 4351769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 44f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 455cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 46bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 47984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson#include "Renderer.h" 48b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Snapshot.h" 493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "UvMapper.h" 50b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Vertex.h" 51fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 528dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson#include "utils/PaintUtils.h" 53bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 54d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins IIIclass SkShader; 55d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 56e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 579d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 58e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 59b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass DeferredDisplayState; 60117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris Craikstruct Glop; 613b20251a355c88193c439f928a84ae69483fb488John Reckclass RenderState; 62e18264b079481a244b30e3f71012c53bbd861f92John Reckclass RenderNode; 63b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass TextSetupFunctor; 64b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass VertexBuffer; 65b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik 66c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DrawModifiers { 6751d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik DrawModifiers() 6851d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik : mOverrideLayerAlpha(0.0f) {} 699b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 709b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy void reset() { 7151d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik mOverrideLayerAlpha = 0.0f; 729b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 739b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 7416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float mOverrideLayerAlpha; 75c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 76c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 77ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikenum StateDeferFlags { 78ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Draw = 0x1, 79ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Clip = 0x2 80ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik}; 81ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 8228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikenum ClipSideFlags { 83a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik kClipSide_None = 0x0, 8428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Left = 0x1, 8528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Top = 0x2, 8628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Right = 0x4, 8728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Bottom = 0x8, 88d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_Full = 0xF, 89d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_ConservativeFull = 0x1F 9028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik}; 9128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 92bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craikenum VertexBufferDisplayFlags { 93bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik kVertexBuffer_Offset = 0x1, 9491a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik kVertexBuffer_ShadowInterp = 0x2, 95bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik}; 96bf75945e7a1ae7c1000682716643c942c1e19ba6Chris 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 */ 121984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudsonclass OpenGLRenderer : public Renderer, public CanvasStateClient { 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 130e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void prepareDirty(float left, float top, float right, float bottom, 131e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik bool opaque) override; 132e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void prepare(bool opaque) override { 133984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson prepareDirty(0.0f, 0.0f, mState.getWidth(), mState.getHeight(), opaque); 134984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson } 135e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool finish() override; 136c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 137e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void callDrawGLFunction(Functor* functor, Rect& dirty) override; 13808ae317c21ec3086b5017672bba87420cc38a407Romain Guy 1393b20251a355c88193c439f928a84ae69483fb488John Reck void pushLayerUpdate(Layer* layer); 1403b20251a355c88193c439f928a84ae69483fb488John Reck void cancelLayerUpdate(Layer* layer); 1413b20251a355c88193c439f928a84ae69483fb488John Reck void flushLayerUpdates(); 142443a714fa7c0dd07fee3527cc5bc3d3ca1fb7d44John Reck void markLayersAsBuildLayers(); 14311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 1443b20251a355c88193c439f928a84ae69483fb488John Reck virtual int saveLayer(float left, float top, float right, float bottom, 145e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const SkPaint* paint, int flags) override { 146e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik return saveLayer(left, top, right, bottom, paint, flags, nullptr); 1473f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik } 1483f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1493f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // Specialized saveLayer implementation, which will pass the convexMask to an FBO layer, if 1503f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik // created, which will in turn clip to that mask when drawn back/restored. 1513f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik int saveLayer(float left, float top, float right, float bottom, 1523f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask); 153bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 154d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int saveLayerDeferred(float left, float top, float right, float bottom, 155d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags); 156d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 157e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawRenderNode(RenderNode* displayList, Rect& dirty, 158e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik int32_t replayFlags = 1) override; 159107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawLayer(Layer* layer, float x, float y); 160e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawBitmap(const SkBitmap* bitmap, const SkPaint* paint) override; 161107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 162d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, bool pureTranslate, const Rect& bounds, const SkPaint* paint); 163107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop, 164e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 165e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float dstRight, float dstBottom, const SkPaint* paint) override; 166107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 167e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const float* vertices, const int* colors, const SkPaint* paint) override; 168107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 169d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint); 170107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 171e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float left, float top, float right, float bottom, const SkPaint* paint) override; 172107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawPatch(const SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 173d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 174e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawColor(int color, SkXfermode::Mode mode) override; 175107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawRect(float left, float top, float right, float bottom, 176e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const SkPaint* paint) override; 177107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawRoundRect(float left, float top, float right, float bottom, 178e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float rx, float ry, const SkPaint* paint) override; 179e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawCircle(float x, float y, float radius, const SkPaint* paint) override; 180107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawOval(float left, float top, float right, float bottom, 181e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const SkPaint* paint) override; 182107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawArc(float left, float top, float right, float bottom, 183e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint) override; 184e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawPath(const SkPath* path, const SkPaint* paint) override; 185e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawLines(const float* points, int count, const SkPaint* paint) override; 186e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawPoints(const float* points, int count, const SkPaint* paint) override; 187107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawTextOnPath(const char* text, int bytesCount, int count, const SkPath* path, 188e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float hOffset, float vOffset, const SkPaint* paint) override; 189107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawPosText(const char* text, int bytesCount, int count, 190e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const float* positions, const SkPaint* paint) override; 191107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void drawText(const char* text, int bytesCount, int count, float x, float y, 192d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 193e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik DrawOpMode drawOpMode = kDrawOpMode_Immediate) override; 194e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void drawRects(const float* rects, int count, const SkPaint* paint) override; 19585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 196107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawShadow(float casterAlpha, 197e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const VertexBuffer* ambientShadowVertexBuffer, 198e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const VertexBuffer* spotShadowVertexBuffer); 199f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 200e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void setDrawFilter(SkDrawFilter* filter) override; 2015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 20216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) 20316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } 20416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 2055e49b307eb99269db2db257760508b8efd7bb97dChris Craik /** 2065e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Store the current display state (most importantly, the current clip and transform), and 2075e49b307eb99269db2db257760508b8efd7bb97dChris Craik * additionally map the state's bounds from local to window coordinates. 2085e49b307eb99269db2db257760508b8efd7bb97dChris Craik * 2095e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Returns true if quick-rejected 2105e49b307eb99269db2db257760508b8efd7bb97dChris Craik */ 211ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); 212527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore = false); 21328ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik void setupMergedMultiDraw(const Rect* clipRect); 214c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 215d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } 216d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } 217d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 2183b20251a355c88193c439f928a84ae69483fb488John Reck bool isCurrentTransformSimple() { 219d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return currentTransform()->isSimple(); 220672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 221672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2220f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy Caches& getCaches() { 2230f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy return mCaches; 2240f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy } 2250f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 22665fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik RenderState& renderState() { 22765fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik return mRenderState; 22865fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik } 22965fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik 230984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson int getViewportWidth() { return mState.getViewportWidth(); } 231984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson int getViewportHeight() { return mState.getViewportHeight(); } 2320e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik 23317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 234a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik * Scales the alpha on the current snapshot. This alpha value will be modulated 23517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 23617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 237984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson void scaleAlpha(float alpha) { mState.scaleAlpha(alpha); } 23817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 23917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 2400f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy * Inserts a named event marker in the stream of GL commands. 2410f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy */ 2420f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy void eventMark(const char* name) const; 2430f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 2440f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy /** 24562d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik * Inserts a formatted event marker in the stream of GL commands. 24662d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik */ 24762d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik void eventMarkDEBUG(const char *fmt, ...) const; 24862d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik 24962d307c2402777d5e53b4590af5f32f8c55afd81Chris Craik /** 25017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 25117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 25217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 25317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 25413631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 25517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 25617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 25717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 25817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 25913631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 26013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 261d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 262d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 263d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 26416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not multiply the paint's alpha by the current snapshot's alpha, and does 26516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not replace the alpha with the overrideLayerAlpha 266d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 267d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 268d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 269d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 270d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 271e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik static inline void getAlphaAndModeDirect(const SkPaint* paint, int* alpha, 272e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik SkXfermode::Mode* mode) { 273527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *mode = getXfermodeDirect(paint); 274527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *alpha = getAlphaDirect(paint); 275527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 276527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 277d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline SkXfermode::Mode getXfermodeDirect(const SkPaint* paint) { 278527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return SkXfermode::kSrcOver_Mode; 2798dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson return PaintUtils::getXfermode(paint->getXfermode()); 280527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 281527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 282c1c5f0870282b56dafe5a4d756e4b9e6884655a7Chris Craik static inline int getAlphaDirect(const SkPaint* paint) { 283527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return 255; 284527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return paint->getAlpha(); 285d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 286d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 287c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger struct TextShadow { 288c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkScalar radius; 289c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float dx; 290c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger float dy; 291c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkColor color; 292c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger }; 293c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 294c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger static inline bool getTextShadow(const SkPaint* paint, TextShadow* textShadow) { 295c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger SkDrawLooper::BlurShadowRec blur; 296c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (paint && paint->getLooper() && paint->getLooper()->asABlurShadow(&blur)) { 297c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger if (textShadow) { 298c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->radius = Blur::convertSigmaToRadius(blur.fSigma); 299c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->dx = blur.fOffset.fX; 300c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->dy = blur.fOffset.fY; 301c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger textShadow->color = blur.fColor; 302c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 303c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return true; 304c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 305c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger return false; 306c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 307c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 308c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger static inline bool hasTextShadow(const SkPaint* paint) { 309e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik return getTextShadow(paint, nullptr); 310c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger } 311c29a0a4664a4b9871fadd668b632469a0db240b9Derek Sollenberger 312624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy /** 31359744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Build the best transform to use to rasterize text given a full 31459744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * transform matrix, and whether filteration is needed. 31559744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * 31659744b79ec302000802cd56d30a1bf70f0183c80Chris Craik * Returns whether filtration is needed 317624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy */ 31859744b79ec302000802cd56d30a1bf70f0183c80Chris Craik bool findBestFontTransform(const mat4& transform, SkMatrix* outMatrix) const; 319624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 320527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#if DEBUG_MERGE_BEHAVIOR 321527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void drawScreenSpaceColorRect(float left, float top, float right, float bottom, int color) { 322527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(false); 323527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 324527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // should only be called outside of other draw ops, so stencil can only be in test state 325527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool stencilWasEnabled = mCaches.stencil.isTestEnabled(); 326527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.stencil.disable(); 327527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 328527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawColorRect(left, top, right, bottom, color, SkXfermode::kSrcOver_Mode, true); 329527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 330527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (stencilWasEnabled) mCaches.stencil.enableTest(); 331107843de4507b3511006cb9c77b8d0364374385aTom Hudson mDirty = true; 332527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 333527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#endif 334527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 335984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const Vector3& getLightCenter() const { return mState.currentLightCenter(); } 33605f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik float getLightRadius() const { return mLightRadius; } 33769e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik uint8_t getAmbientShadowAlpha() const { return mAmbientShadowAlpha; } 33869e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik uint8_t getSpotShadowAlpha() const { return mSpotShadowAlpha; } 33905f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 340984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson /////////////////////////////////////////////////////////////////// 341984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson /// State manipulation 342984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 343e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void setViewport(int width, int height) override { mState.setViewport(width, height); } 344984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 345e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual int getSaveCount() const override; 346e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual int save(int flags) override; 347e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void restore() override; 348e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void restoreToCount(int saveCount) override; 349984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 350e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void getMatrix(SkMatrix* outMatrix) const override { mState.getMatrix(outMatrix); } 351e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void setMatrix(const SkMatrix& matrix) override { mState.setMatrix(matrix); } 352e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void concatMatrix(const SkMatrix& matrix) override { mState.concatMatrix(matrix); } 353984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 354e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void translate(float dx, float dy, float dz = 0.0f) override; 355e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void rotate(float degrees) override; 356e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void scale(float sx, float sy) override; 357e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void skew(float sx, float sy) override; 358984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 359984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson void setMatrix(const Matrix4& matrix); // internal only convenience method 360984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson void concatMatrix(const Matrix4& matrix); // internal only convenience method 361984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 362e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual const Rect& getLocalClipBounds() const override { return mState.getLocalClipBounds(); } 363984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const Rect& getRenderTargetClipBounds() const { return mState.getRenderTargetClipBounds(); } 364e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool quickRejectConservative(float left, float top, 365e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float right, float bottom) const override { 366984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.quickRejectConservative(left, top, right, bottom); 367984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson } 368984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 369e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool clipRect(float left, float top, 370e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik float right, float bottom, SkRegion::Op op) override; 371e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool clipPath(const SkPath* path, SkRegion::Op op) override; 372e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual bool clipRegion(const SkRegion* region, SkRegion::Op op) override; 373984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 374984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson /** 375984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson * Does not support different clipping Ops (that is, every call to setClippingOutline is 376984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson * effectively using SkRegion::kReplaceOp) 377984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson * 378984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson * The clipping outline is independent from the regular clip. 379984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson */ 380984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson void setClippingOutline(LinearAllocator& allocator, const Outline* outline); 381984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson void setClippingRoundRect(LinearAllocator& allocator, 382984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson const Rect& rect, float radius, bool highPriority = true); 383984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 384984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson inline bool hasRectToRectTransform() const { return mState.hasRectToRectTransform(); } 385984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson inline const mat4* currentTransform() const { return mState.currentTransform(); } 386984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 387984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson /////////////////////////////////////////////////////////////////// 388984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson /// CanvasStateClient interface 389984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 390e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void onViewportInitialized() override; 391e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual void onSnapshotRestored(const Snapshot& removed, const Snapshot& restored) override; 392e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik virtual GLuint onGetTargetFbo() const override { return 0; } 393984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 3944ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik SkPath* allocPathForFrame() { 39551d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik std::unique_ptr<SkPath> path(new SkPath()); 39651d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik SkPath* returnPath = path.get(); 39751d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik mTempPaths.push_back(std::move(path)); 39851d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik return returnPath; 3994ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik } 4004ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik 401e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 402e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 40396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Perform the setup specific to a frame. This method does not 40496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * issue any OpenGL commands. 40596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 40696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void setupFrameState(float left, float top, float right, float bottom, bool opaque); 40796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 40896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 40996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Indicates the start of rendering. This method will setup the 41096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * initial OpenGL state (viewport, clearing the buffer, etc.) 41196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 412107843de4507b3511006cb9c77b8d0364374385aTom Hudson void startFrame(); 41396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 41496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 4157c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * Clears the underlying surface if needed. 4167c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 417107843de4507b3511006cb9c77b8d0364374385aTom Hudson virtual void clear(float left, float top, float right, float bottom, bool opaque); 4187c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 4197c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 42035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 42135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 42235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 42335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 42435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 4258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * This method is called whenever a stencil buffer is required. Subclasses 4268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * should override this method and call attachStencilBufferToLayer() on the 4278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * appropriate layer(s). 4288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 4298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy virtual void ensureStencilBuffer(); 4308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 4318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 4328ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Obtains a stencil render buffer (allocating it if necessary) and 4338ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * attaches it to the specified layer. 4348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 4358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void attachStencilBufferToLayer(Layer* layer); 4368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 437487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk /** 438487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * Draw a rectangle list. Currently only used for the the stencil buffer so that the stencil 439487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * will have a value of 'n' in every unclipped pixel, where 'n' is the number of rectangles 440487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * in the list. 441487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk */ 442487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk void drawRectangleList(const RectangleList& rectangleList); 443487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 444f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool quickRejectSetupScissor(float left, float top, float right, float bottom, 445e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik const SkPaint* paint = nullptr); 446e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik bool quickRejectSetupScissor(const Rect& bounds, const SkPaint* paint = nullptr) { 447f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik return quickRejectSetupScissor(bounds.left, bounds.top, 448f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bounds.right, bounds.bottom, paint); 449f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik } 450f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik 4518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 452e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 453e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 454e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 455e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 456e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 457e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 458e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 459e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 46014e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual void composeLayer(const Snapshot& current, const Snapshot& previous); 461694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 462ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 463f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 464ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 465f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 466ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 46742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 46842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 46942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 470624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual Region* getRegion() const { 471984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return mState.currentRegion(); 472f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 473f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 47442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 47542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 47642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 477624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool hasLayer() const { 478984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson return (mState.currentFlags() & Snapshot::kFlagFboTarget) && mState.currentRegion(); 479f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 4801bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 48142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 48277a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 48377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 48477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 48577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 48677a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 48777a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 48877a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 48977a811610f99e21da7f88dafef60d09f345d0506Romain Guy 490be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 491be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 49216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * alpha will be 255 and the xfermode will be SRC_OVER. Accounts for both 49316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * snapshot alpha, and overrideLayerAlpha 494be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 495be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 496be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 497be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 498be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 499d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; 50016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 50116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik /** 50216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha 50316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * 50416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * @param layer The layer from which the alpha is extracted 50516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik */ 50676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger inline float getLayerAlpha(const Layer* layer) const; 507be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 508be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 50976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * Safely retrieves the ColorFilter from the given Paint. If the paint is 51076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * null then null is returned. 511be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 51276d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger static inline SkColorFilter* getColorFilter(const SkPaint* paint) { 513e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik return paint ? paint->getColorFilter() : nullptr; 514be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 515be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 517d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * Safely retrieves the Shader from the given Paint. If the paint is 518d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * null then null is returned. 519d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III */ 520d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III static inline const SkShader* getShader(const SkPaint* paint) { 521e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik return paint ? paint->getShader() : nullptr; 522d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III } 523d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 524d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III /** 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 52611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 527624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool suppressErrorChecks() const { 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 52911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 531984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson CanvasState mState; 53265fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik Caches& mCaches; 53365fe5eeb19e2e15c8b1ee91e8a2dcf0c25e48ca6Chris Craik RenderState& mRenderState; 534984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson 53508ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 536117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris Craik void renderGlop(const Glop& glop); 537117bdbcfa3e8306dad21e7e01fa71b00cdfa7265Chris Craik 5385cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 539dcfc836b457a87881da409e1acf251515f121446Romain Guy * Discards the content of the framebuffer if supported by the driver. 540dcfc836b457a87881da409e1acf251515f121446Romain Guy * This method should be called at the beginning of a frame to optimize 541dcfc836b457a87881da409e1acf251515f121446Romain Guy * rendering on some tiler architectures. 542dcfc836b457a87881da409e1acf251515f121446Romain Guy */ 543dcfc836b457a87881da409e1acf251515f121446Romain Guy void discardFramebuffer(float left, float top, float right, float bottom); 544dcfc836b457a87881da409e1acf251515f121446Romain Guy 545dcfc836b457a87881da409e1acf251515f121446Romain Guy /** 5462b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 547d6b65f67717025b1162f86f04e2caa5723566cacChris Craik * This method will use the current layer space clip rect. 5482b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 5492b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 5502b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 55133f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen void startTilingCurrentClip(bool opaque = false, bool expand = false); 5522b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 5532b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 554c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 555c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method needs to be invoked every time getTargetFbo() is 556c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * bound again. 557c3fedafc5f50100219449125a000e3138f6fb987Romain Guy */ 55833f5a59ac3e304970920dda824958870f85f76efhenry.uh_chen void startTiling(const Rect& clip, int windowHeight, bool opaque = false, bool expand = false); 559c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 560c3fedafc5f50100219449125a000e3138f6fb987Romain Guy /** 5612b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 5622b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 5632b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 5642b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 5652b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 5665cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 5685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 5695cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 570bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 571bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5725cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Sets the clipping region using the stencil buffer. The clip region 5748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is defined by the current snapshot's clipRegion member. 5758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 5768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void setStencilFromClip(); 5778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 5788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 579408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds of the layer, calculates ... 580d90144db52c7297879b950cbbc85137ed123ab5bChris Craik */ 581d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer); 582d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 583d90144db52c7297879b950cbbc85137ed123ab5bChris Craik /** 584408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds + clip of the layer, updates current snapshot's empty/invisible 585408eb12631376cbdc96803e918decf6ea804d346Chris Craik */ 586408eb12631376cbdc96803e918decf6ea804d346Chris Craik void updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 587408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha); 588408eb12631376cbdc96803e918decf6ea804d346Chris Craik 589408eb12631376cbdc96803e918decf6ea804d346Chris Craik /** 590d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 591d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 592d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 593d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 594d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 595d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 596d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 597d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 598d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 599d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 6003f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik * @param mask A mask to use when drawing the layer back, may be empty 601d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 602d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 603d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 604d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 6053f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const SkPaint* paint, int flags, const SkPath* convexMask); 606d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 607d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 614e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 63354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 63454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 63554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 63654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 63754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 63854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 63954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 640f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 641f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 642f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 643f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 644f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 645f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 646f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 647f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 648f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 649f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 650f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 651f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 652f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 6535cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 654735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * are transformed by the current snapshot's transform matrix unless specified 655735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * otherwise. 6565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 66176d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the color, blending mode, etc. 6623d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 6635cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 664026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 66576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool ignoreTransform = false); 6665cbbce535744b89df5ecea95de21ee3733298260Romain Guy 66754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 668735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * Draws a series of colored rectangles with the specified color. The specified 669735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * coordinates are transformed by the current snapshot's transform matrix unless 670735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * specified otherwise. 671735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * 672735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param rects A list of rectangles, 4 floats (left, top, right, bottom) 673735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * per rectangle 67476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the color, blending mode, etc. 675735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param ignoreTransform True if the current transform should be ignored 6768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * @param dirty True if calling this method should dirty the current layer 6773bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * @param clip True if the rects should be clipped, false otherwise 678735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy */ 679107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawColorRects(const float* rects, int count, const SkPaint* paint, 68076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger bool ignoreTransform = false, bool dirty = true, bool clip = true); 681735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 682735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy /** 68354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 68454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 68554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 68654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 68754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 68854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 68954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 69054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 69154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 69254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 693107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawShape(float left, float top, const PathTexture* texture, const SkPaint* paint); 69454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 69554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 69654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 69754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 69854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 69954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 70054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 70154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 70254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 70354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 704d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint); 705a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 70654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 70765cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a strip of polygons with the specified paint, used for tessellated geometry. 70865cd612face362d054a85d0f7e5881c59cd523beChris Craik * 70965cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param vertexBuffer The VertexBuffer to be drawn 71065cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param paint The paint to render with 711bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik * @param flags flags with which to draw 71265cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 713107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawVertexBuffer(float translateX, float translateY, const VertexBuffer& vertexBuffer, 714bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik const SkPaint* paint, int flags = 0); 71565cd612face362d054a85d0f7e5881c59cd523beChris Craik 71665cd612face362d054a85d0f7e5881c59cd523beChris Craik /** 71705f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik * Convenience for translating method 71805f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik */ 719107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawVertexBuffer(const VertexBuffer& vertexBuffer, 720bf75945e7a1ae7c1000682716643c942c1e19ba6Chris Craik const SkPaint* paint, int flags = 0) { 721107843de4507b3511006cb9c77b8d0364374385aTom Hudson drawVertexBuffer(0.0f, 0.0f, vertexBuffer, paint, flags); 72205f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik } 72305f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik 72405f3d6e5111fd08df5cd9aae2c3d28399dc0e7f5Chris Craik /** 725710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 72654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 727710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 728cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 72954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 730107843de4507b3511006cb9c77b8d0364374385aTom Hudson void drawConvexPath(const SkPath& path, const SkPaint* paint); 731858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 7325cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 7335cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 7345cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 7355cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 7365cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 7375cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 7385cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 7395cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 74082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 74182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 74282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 743a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 744d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint); 74582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 74682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 74703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 74803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 74903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 75082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 75182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 75282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 75382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 75482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 75582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 75676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger * @param paint The paint containing the alpha, blending mode, colorFilter, etc. 75782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 75882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 75982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 76082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 761f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 762f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 76303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 7644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param modelViewMode Defines whether the model view matrix should be scaled 7655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 766f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 767f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 76876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool blend, 7696820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7714063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 772f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 7733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, 77476d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const SkPaint* paint, bool blend, 7753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7774063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 7783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 779886b275e529e44a59c54b933453d9bc902973178Romain Guy void drawAlpha8TextureMesh(float left, float top, float right, float bottom, 78076d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger GLuint texture, const SkPaint* paint, 781886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, 7834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool dirty = true); 784886b275e529e44a59c54b933453d9bc902973178Romain Guy 785f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 786448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. 787448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * If the number of vertices to draw exceeds the number of indices we have 788448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * pre-allocated, this method will generate several glDrawElements() calls. 789448455fe783b0a711340322dca272b8cc0ebe473Romain Guy */ 7904063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount); 791448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 792448455fe783b0a711340322dca272b8cc0ebe473Romain Guy /** 7930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 7940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 7950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 7960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 79741541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik * @param totalAdvance The total advance in pixels, defines underline/strikethrough length 7980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 7990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 8000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 8010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 802d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextDecorations(float totalAdvance, float x, float y, const SkPaint* paint); 8031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 804416a847633680d94efb926837efdc18726d54918Raph Levien /** 805416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 806416a847633680d94efb926837efdc18726d54918Raph Levien * 807416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 808416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 809416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 810416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 811416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 812416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 813416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 814416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 815416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 816416a847633680d94efb926837efdc18726d54918Raph Levien */ 817d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextShadow(const SkPaint* paint, const char* text, int bytesCount, int count, 81876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger const float* positions, FontRenderer& fontRenderer, int alpha, 819416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 820416a847633680d94efb926837efdc18726d54918Raph Levien 82154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 82254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 82354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 82454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 82554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 82654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 82754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 82854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 82954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 830d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawPathTexture(const PathTexture* texture, float x, float y, const SkPaint* paint); 83101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 8321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 833ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 834026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 835026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 8368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 837026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 838026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 839026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 840026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 841026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 842026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 843026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 844026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 8458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 846768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy * Returns true if the specified paint will draw invisible text. 847768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy */ 848768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy bool canSkipText(const SkPaint* paint) const; 849768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 850768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy /** 85182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 85282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 85382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 854f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 855f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 856a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 857f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 858746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 859746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 86054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 86117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 86270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 86370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 86470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 86570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 866ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawWithTextureAndColor(bool isAlpha8 = false); 867aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 86815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 86991a8c7c62913c2597e3bf5a6d59d2ed5fc7ba4e0Chris Craik void setupDrawVertexAlpha(bool useShadowAlphaInterp); 8708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 87286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 8734121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 874d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawShader(const SkShader* shader); 87576d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawColorFilter(const SkColorFilter* filter); 87676d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawBlending(const Layer* layer, bool swapSrcDst = false); 87776d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawBlending(const SkPaint* paint, bool blend = true, bool swapSrcDst = false); 87870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 87970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 8804063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 8814063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 8824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Setup the current program matrices based upon the nature of the geometry. 8834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8844063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param mode If kModelViewMode_Translate, the geometry must be translated by the left and top 8854063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * parameters. If kModelViewMode_TranslateAndScale, the geometry that exists in the (0,0, 1,1) 8864063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * space must be scaled up and translated to fill the quad provided in (l,t,r,b). These 8874063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * transformations are stored in the modelView matrix and uploaded to the shader. 8884063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 889e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik * @param offset Set to true if the the matrix should be fudged (translated) slightly to 890e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik * disambiguate geometry pixel positioning. See Vertex::GeometryFudgeFactor(). 8914063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8924063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param ignoreTransform Set to true if l,t,r,b coordinates already in layer space, 8934063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform() will be ignored. (e.g. when drawing clip in layer coordinates to stencil, 8944063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * or when simple translation has been extracted) 8954063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 8964063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void setupDrawModelView(ModelViewMode mode, bool offset, 8974063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform = false); 898d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawColorUniforms(bool hasShader); 89986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 900d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III 901d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III /** 902d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * Setup uniforms for the current shader. 903d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * 904d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * @param shader SkShader on the current paint. 905d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * 906d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III * @param ignoreTransform Set to true to ignore the transform in shader. 907d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III */ 908d1ad5e62fda248c6d185cde3cb6d9f01a223066cLeon Scroggins III void setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform = false); 90976d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void setupDrawColorFilterUniforms(const SkColorFilter* paint); 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 912aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 9138f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 9148f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 9154121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 916e84a208317e0ed388fcdad1e6743c7849acb51b0Chris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords = nullptr, GLuint vbo = 0); 917564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords, const GLvoid* colors); 918564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMeshIndices(const GLvoid* vertices, const GLvoid* texCoords, GLuint vbo = 0); 919448455fe783b0a711340322dca272b8cc0ebe473Romain Guy void setupDrawIndexedVertices(GLvoid* vertices); 920f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 921746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 92211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 92311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 92496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void flushLayers(); 92511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 926e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#if DEBUG_LAYERS_AS_REGIONS 92717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 92817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 92917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 93017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 931e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik void drawRegionRectsDebug(const Region& region); 932e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 9333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9348ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9358ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Renders the specified region as a series of rectangles. The region 9368ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * must be in screen-space coordinates. 9378ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 93876d3a1b8d035d27bc80b0f2fc480a903bd001514Derek Sollenberger void drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty = false); 9398ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9408ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS 9428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is turned on. 9438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 9448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void debugClip(); 9458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9467c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 9477c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 94878dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy void countOverdraw(); 9497c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 950746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 951746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 952746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 953984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson inline void dirtyClip() { mState.setDirtyClip(true); } 954746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 9553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy inline const UvMapper& getMapper(const Texture* texture) { 9563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; 9573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 9583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 9593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy /** 9603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Returns a texture object for the specified bitmap. The texture can 9613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * come from the texture cache or an atlas. If this method returns 9623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * NULL, the texture could not be found and/or allocated. 9633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 964d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* getTexture(const SkBitmap* bitmap); 9653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 966107843de4507b3511006cb9c77b8d0364374385aTom Hudson bool reportAndClearDirty() { bool ret = mDirty; mDirty = false; return ret; } 967984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson inline Snapshot* writableSnapshot() { return mState.writableSnapshot(); } 968984162fb7e4010b6e2908352dbff17ed47eecf06Tom Hudson inline const Snapshot* currentSnapshot() const { return mState.currentSnapshot(); } 969107843de4507b3511006cb9c77b8d0364374385aTom Hudson 9704063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 9714063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Model-view matrix used to position/size objects 9724063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9734063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Stores operation-local modifications to the draw matrix that aren't incorporated into the 9744063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform(). 9754063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 976e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * If generated with kModelViewMode_Translate, mModelViewMatrix will reflect an x/y offset, 9774063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * e.g. the offset in drawLayer(). If generated with kModelViewMode_TranslateAndScale, 978e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * mModelViewMatrix will reflect a translation and scale, e.g. the translation and scale 979e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * required to make VBO 0 (a rect of (0,0,1,1)) scaled to match the x,y offset, and width/height 980e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik * of a bitmap. 9814063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9824063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used as input to SkiaShader transformation. 9834063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 984e10e827ed68b0a9487cf8dd1fc545f9a09517ae9Chris Craik mat4 mModelViewMatrix; 985c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 9862b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 9875f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect mTilingClip; 98896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is the target render surface opaque 98996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mOpaque; 99096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is a frame currently being rendered 99196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mFrameStarted; 9929d5316e3f56d138504565ff311145ac01621dff4Romain Guy 993026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 994ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 995ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 9963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // Default UV mapper 9973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper mUvMapper; 9983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 999c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // shader, filters, and shadow 1000c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 10015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 10025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 10038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 100451d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik std::vector<Rect> mLayers; 100511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 10060e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck Vector< sp<Layer> > mLayerUpdates; 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 10202b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 10212b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 102487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 102587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 102687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 102754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // No-ops start/endTiling when set 102854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy bool mSuppressTiling; 1029284b24358410cb0200e525a5ba36994090c83f20Chris Craik bool mFirstFrameAfterResize; 103054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 1031deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool mSkipOutlineClip; 1032deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 1033107843de4507b3511006cb9c77b8d0364374385aTom Hudson // True if anything has been drawn since the last call to 1034107843de4507b3511006cb9c77b8d0364374385aTom Hudson // reportAndClearDirty() 1035107843de4507b3511006cb9c77b8d0364374385aTom Hudson bool mDirty; 1036107843de4507b3511006cb9c77b8d0364374385aTom Hudson 1037058fc640017c90120c599d378a4cbc55668b05b7Chris Craik // Lighting + shadows 1038058fc640017c90120c599d378a4cbc55668b05b7Chris Craik Vector3 mLightCenter; 1039058fc640017c90120c599d378a4cbc55668b05b7Chris Craik float mLightRadius; 1040058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t mAmbientShadowAlpha; 1041058fc640017c90120c599d378a4cbc55668b05b7Chris Craik uint8_t mSpotShadowAlpha; 1042058fc640017c90120c599d378a4cbc55668b05b7Chris Craik 10434ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik // Paths kept alive for the duration of the frame 104451d6a3db97bdd5315f1a17a4b447d10a92217b98Chris Craik std::vector<std::unique_ptr<SkPath>> mTempPaths; 10454ac36f80beb958c77a92a3e1a235f6ed9daaa510Chris Craik 104696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy friend class Layer; 1047257ae3502cfad43df681b1783528d645bdabc63fRomain Guy friend class TextSetupFunctor; 104803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawBitmapOp; 104903c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawPatchOp; 1050b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 1051bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 1052e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10539d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1054e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1055e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 1057