Snapshot.h revision 5e00c7ce063116c11315639f0035aca8ad73e8cc
15cbbce535744b89df5ecea95de21ee3733298260Romain Guy/* 25cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Copyright (C) 2010 The Android Open Source Project 35cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 45cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 55cbbce535744b89df5ecea95de21ee3733298260Romain Guy * you may not use this file except in compliance with the License. 65cbbce535744b89df5ecea95de21ee3733298260Romain Guy * You may obtain a copy of the License at 75cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 85cbbce535744b89df5ecea95de21ee3733298260Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 95cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 105cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Unless required by applicable law or agreed to in writing, software 115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 125cbbce535744b89df5ecea95de21ee3733298260Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135cbbce535744b89df5ecea95de21ee3733298260Romain Guy * See the License for the specific language governing permissions and 145cbbce535744b89df5ecea95de21ee3733298260Romain Guy * limitations under the License. 155cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 165cbbce535744b89df5ecea95de21ee3733298260Romain Guy 175e00c7ce063116c11315639f0035aca8ad73e8ccChris Craik#pragma once 185cbbce535744b89df5ecea95de21ee3733298260Romain Guy 195cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <GLES2/gl2.h> 205cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <GLES2/gl2ext.h> 215cbbce535744b89df5ecea95de21ee3733298260Romain Guy 22deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik#include <utils/LinearAllocator.h> 235cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/RefBase.h> 245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Region.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 26ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy#include <SkRegion.h> 27079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 28487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk#include "ClipArea.h" 29dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include "Layer.h" 305cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Matrix.h" 31deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik#include "Outline.h" 325cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Rect.h" 33deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik#include "utils/Macros.h" 345cbbce535744b89df5ecea95de21ee3733298260Romain Guy 355cbbce535744b89df5ecea95de21ee3733298260Romain Guynamespace android { 365cbbce535744b89df5ecea95de21ee3733298260Romain Guynamespace uirenderer { 375cbbce535744b89df5ecea95de21ee3733298260Romain Guy 385cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 39deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Temporary structure holding information for a single outline clip. 40deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * 41deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * These structures are treated as immutable once created, and only exist for a single frame, which 42deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * is why they may only be allocated with a LinearAllocator. 43deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 44deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikclass RoundRectClipState { 45deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikpublic: 467a89600bac7ab889a5ba8a994c57d677de0e45d5Chris Craik static void* operator new(size_t size) = delete; 47deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik static void* operator new(size_t size, LinearAllocator& allocator) { 487df9ff2a08fd4bbd9b2e734a357cffcf64675df9John Reck return allocator.alloc<RoundRectClipState>(size); 49deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 50deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 51deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool areaRequiresRoundRectClip(const Rect& rect) const { 52deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik return rect.intersects(dangerRects[0]) 53deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik || rect.intersects(dangerRects[1]) 54deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik || rect.intersects(dangerRects[2]) 55deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik || rect.intersects(dangerRects[3]); 56deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 57deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 58e83cbd451868a734bfac07ccd680d5617080b579Chris Craik bool highPriority; 59deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik Matrix4 matrix; 60deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik Rect dangerRects[4]; 61af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik Rect innerRect; 62af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik float radius; 63deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik}; 64deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 65deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik/** 665cbbce535744b89df5ecea95de21ee3733298260Romain Guy * A snapshot holds information about the current state of the rendering 675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * surface. A snapshot is usually created whenever the user calls save() 685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * and discarded when the user calls restore(). Once a snapshot is created, 695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * it can hold information for deferred rendering. 705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Each snapshot has a link to a previous snapshot, indicating the previous 725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * state of the renderer. 735cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 74d9ee550888011a64fa3f35e666360ec8278597d8John Reckclass Snapshot { 755cbbce535744b89df5ecea95de21ee3733298260Romain Guypublic: 765cbbce535744b89df5ecea95de21ee3733298260Romain Guy 77ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy Snapshot(); 78d9ee550888011a64fa3f35e666360ec8278597d8John Reck Snapshot(Snapshot* s, int saveFlags); 795cbbce535744b89df5ecea95de21ee3733298260Romain Guy 805cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 81ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Various flags set on ::flags. 825cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 835cbbce535744b89df5ecea95de21ee3733298260Romain Guy enum Flags { 845cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Indicates that the clip region was modified. When this 865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * snapshot is restored so must the clip. 875cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 885cbbce535744b89df5ecea95de21ee3733298260Romain Guy kFlagClipSet = 0x1, 895cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 905cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Indicates that this snapshot was created when saving 915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * a new layer. 925cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 93079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy kFlagIsLayer = 0x2, 94f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy /** 95eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Indicates that this snapshot is a special type of layer 96eb99356a0548684a501766e6a524529ab93304c8Romain Guy * backed by an FBO. This flag only makes sense when the 97eb99356a0548684a501766e6a524529ab93304c8Romain Guy * flag kFlagIsLayer is also set. 98a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * 99a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Viewport has been modified to fit the new Fbo, and must be 100a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * restored when this snapshot is restored. 101eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 102eb99356a0548684a501766e6a524529ab93304c8Romain Guy kFlagIsFboLayer = 0x4, 1035cbbce535744b89df5ecea95de21ee3733298260Romain Guy }; 1045cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1055cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is transformed 108f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * by this snapshot's trasnformation. 1093d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy */ 110a2a70723b8cbda4354d23f901f995623e819012cChris Craik void clip(const Rect& localClip, SkRegion::Op op); 111f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 112f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 113f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 114f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is considered 115f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * already transformed. 116f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 1174d3e704b04c6abd7995df640d12662b0271f6c7bChris Craik void clipTransformed(const Rect& r, SkRegion::Op op = SkRegion::kIntersect_Op); 1185cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Modifies the current clip with the specified region and operation. 1218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * The specified region is considered already transformed. 1228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 1234d3e704b04c6abd7995df640d12662b0271f6c7bChris Craik void clipRegionTransformed(const SkRegion& region, SkRegion::Op op); 1248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 126487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * Modifies the current clip with the specified path and operation. 127487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk */ 1284d3e704b04c6abd7995df640d12662b0271f6c7bChris Craik void clipPath(const SkPath& path, SkRegion::Op op); 129487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 130487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk /** 131d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Sets the current clip. 132d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy */ 133ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy void setClip(float left, float top, float right, float bottom); 134959c91f7f7b4f921d341264f5b4ef54e702a0df0Romain Guy 135ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 136ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Returns the current clip in local coordinates. The clip rect is 137ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * transformed by the inverse transform matrix. 138ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 1391a49868fd82f8975da5685fdb6ca3cc83a99bdf5Ben Cheng ANDROID_API const Rect& getLocalClip(); 1403f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1413f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik /** 1423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik * Returns the current clip in render target coordinates. 1433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik */ 1446fe991e5e76f9af9dab960100d5768d96d5f4daaChris Craik const Rect& getRenderTargetClip() const { return mClipArea->getClipRect(); } 145487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 146487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk /* 147487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * Accessor functions so that the clip area can stay private 148487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk */ 149487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk bool clipIsEmpty() const { return mClipArea->isEmpty(); } 150487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const SkRegion& getClipRegion() const { return mClipArea->getClipRegion(); } 151487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk bool clipIsSimple() const { return mClipArea->isSimple(); } 152487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const ClipArea& getClipArea() const { return *mClipArea; } 153e4db79de127cfe961195f52907af8451026eaa20Chris Craik ClipArea& mutateClipArea() { return *mClipArea; } 154d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 15504d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik WARN_UNUSED_RESULT const ClipBase* serializeIntersectedClip(LinearAllocator& allocator, 15604d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik const ClipBase* recordedClip, const Matrix4& recordedClipTransform); 15704d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik void applyClip(const ClipBase* clip, const Matrix4& transform); 15804d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik 159ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 160ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Resets the clip to the specified rect. 161ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 162ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy void resetClip(float left, float top, float right, float bottom); 163eb99356a0548684a501766e6a524529ab93304c8Romain Guy 164a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik void initializeViewport(int width, int height) { 165a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mViewportData.initialize(width, height); 166487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk mClipAreaRoot.setViewportDimensions(width, height); 167a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 168a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 169a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportWidth() const { return mViewportData.mWidth; } 170a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportHeight() const { return mViewportData.mHeight; } 171a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& getOrthoMatrix() const { return mViewportData.mOrthoMatrix; } 172a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 17369e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik const Vector3& getRelativeLightCenter() const { return mRelativeLightCenter; } 17469e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik void setRelativeLightCenter(const Vector3& lightCenter) { mRelativeLightCenter = lightCenter; } 17569e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik 176ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 177deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Sets (and replaces) the current clipping outline 178e83cbd451868a734bfac07ccd680d5617080b579Chris Craik * 179e83cbd451868a734bfac07ccd680d5617080b579Chris Craik * If the current round rect clip is high priority, the incoming clip is ignored. 180deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 181e83cbd451868a734bfac07ccd680d5617080b579Chris Craik void setClippingRoundRect(LinearAllocator& allocator, const Rect& bounds, 182e83cbd451868a734bfac07ccd680d5617080b579Chris Craik float radius, bool highPriority); 183deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 184deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** 185fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik * Sets (and replaces) the current projection mask 186fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik */ 1875e00c7ce063116c11315639f0035aca8ad73e8ccChris Craik void setProjectionPathMask(const SkPath* path); 188af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy 1898b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy /** 190a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy * Indicates whether the current transform has perspective components. 191a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy */ 192a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy bool hasPerspectiveTransform() const; 193a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy 194a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy /** 1955cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Dirty flags. 1965cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1975cbbce535744b89df5ecea95de21ee3733298260Romain Guy int flags; 1985cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1995cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2005cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Previous snapshot. 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 202d9ee550888011a64fa3f35e666360ec8278597d8John Reck Snapshot* previous; 2035cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2045cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * A pointer to the currently active layer. 206ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 207ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This snapshot does not own the layer, this pointer must not be freed. 2085cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 209dda570201ac851dd85af3861f7e575721d3345daRomain Guy Layer* layer; 210f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2118aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 212421458aad764cd9d1403d2540ab979b336b02341Romain Guy * Target FBO used for rendering. Set to 0 when rendering directly 213421458aad764cd9d1403d2540ab979b336b02341Romain Guy * into the framebuffer. 214eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 215eb99356a0548684a501766e6a524529ab93304c8Romain Guy GLuint fbo; 216eb99356a0548684a501766e6a524529ab93304c8Romain Guy 217eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 2188aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * Local transformation. Holds the current translation, scale and 2198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * rotation values. 220ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 221ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This is a reference to a matrix owned by this snapshot or another 222ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * snapshot. This pointer must not be freed. See ::mTransformRoot. 2238aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy */ 2248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4* transform; 2258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2268aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 227db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * Current alpha value. This value is 1 by default, but may be set by a DisplayList which 228db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * has translucent rendering in a non-overlapping View. This value will be used by 229db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the renderer to set the alpha in the current color being used for ensuing drawing 230db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * operations. The value is inherited by child snapshots because the same value should 231487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * be applied to descendants of the current DisplayList (for example, a TextView contains 232db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the base alpha value which should be applied to the child DisplayLists used for drawing 233db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the actual text). 234db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase */ 235db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase float alpha; 236db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase 237deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** 238deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Current clipping round rect. 239deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * 240deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Points to data not owned by the snapshot, and may only be replaced by subsequent RR clips, 241deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * never modified. 242deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 243deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* roundRectClipState; 244deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 245fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik /** 246678ff81105753656aa4822f4f675ef96dc9d2b83Chris Craik * Current projection masking path - used exclusively to mask projected, tessellated circles. 247fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik */ 248678ff81105753656aa4822f4f675ef96dc9d2b83Chris Craik const SkPath* projectionPathMask; 249fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik 2505f803623559aab395a29d575c37c4e39c23a4b4eChris Craik void dump() const; 2515f803623559aab395a29d575c37c4e39c23a4b4eChris Craik 2525cbbce535744b89df5ecea95de21ee3733298260Romain Guyprivate: 253a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik struct ViewportData { 254924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik ViewportData() : mWidth(0), mHeight(0) {} 255a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik void initialize(int width, int height) { 256a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mWidth = width; 257a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mHeight = height; 258a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 259a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 260a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 261a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik /* 262a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Width and height of current viewport. 263a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * 264a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * The viewport is always defined to be (0, 0, width, height). 265a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik */ 266a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int mWidth; 267a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int mHeight; 268a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik /** 269a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Contains the current orthographic, projection matrix. 270a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik */ 271a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mat4 mOrthoMatrix; 272a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik }; 273a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 2748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4 mTransformRoot; 275079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 276487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk ClipArea mClipAreaRoot; 277487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk ClipArea* mClipArea; 278487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect mLocalClip; 279487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 280a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik ViewportData mViewportData; 28169e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik Vector3 mRelativeLightCenter; 282967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy 2835cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // class Snapshot 2845cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2855cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace uirenderer 2865cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace android 287