Snapshot.h revision 6e49c9f007c879f05b035c40c0ba543c00f9d0d0
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 266e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed#include <SkClipOp.h> 27ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy#include <SkRegion.h> 28079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 29487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk#include "ClipArea.h" 30dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include "Layer.h" 315cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Matrix.h" 32deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik#include "Outline.h" 335cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Rect.h" 34deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik#include "utils/Macros.h" 355cbbce535744b89df5ecea95de21ee3733298260Romain Guy 365cbbce535744b89df5ecea95de21ee3733298260Romain Guynamespace android { 375cbbce535744b89df5ecea95de21ee3733298260Romain Guynamespace uirenderer { 385cbbce535744b89df5ecea95de21ee3733298260Romain Guy 395cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 40deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Temporary structure holding information for a single outline clip. 41deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * 42deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * These structures are treated as immutable once created, and only exist for a single frame, which 43deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * is why they may only be allocated with a LinearAllocator. 44deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 45deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikclass RoundRectClipState { 46deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craikpublic: 477a89600bac7ab889a5ba8a994c57d677de0e45d5Chris Craik static void* operator new(size_t size) = delete; 48deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik static void* operator new(size_t size, LinearAllocator& allocator) { 497df9ff2a08fd4bbd9b2e734a357cffcf64675df9John Reck return allocator.alloc<RoundRectClipState>(size); 50deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 51deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 52deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik bool areaRequiresRoundRectClip(const Rect& rect) const { 53deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik return rect.intersects(dangerRects[0]) 54deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik || rect.intersects(dangerRects[1]) 55deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik || rect.intersects(dangerRects[2]) 56deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik || rect.intersects(dangerRects[3]); 57deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik } 58deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 59e83cbd451868a734bfac07ccd680d5617080b579Chris Craik bool highPriority; 60deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik Matrix4 matrix; 61deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik Rect dangerRects[4]; 62af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik Rect innerRect; 63af4d04cab6d48ae0d6a5e79bd30f679af87abaadChris Craik float radius; 64deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik}; 65deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 66deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik/** 675cbbce535744b89df5ecea95de21ee3733298260Romain Guy * A snapshot holds information about the current state of the rendering 685cbbce535744b89df5ecea95de21ee3733298260Romain Guy * surface. A snapshot is usually created whenever the user calls save() 695cbbce535744b89df5ecea95de21ee3733298260Romain Guy * and discarded when the user calls restore(). Once a snapshot is created, 705cbbce535744b89df5ecea95de21ee3733298260Romain Guy * it can hold information for deferred rendering. 715cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 725cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Each snapshot has a link to a previous snapshot, indicating the previous 735cbbce535744b89df5ecea95de21ee3733298260Romain Guy * state of the renderer. 745cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 75d9ee550888011a64fa3f35e666360ec8278597d8John Reckclass Snapshot { 765cbbce535744b89df5ecea95de21ee3733298260Romain Guypublic: 775cbbce535744b89df5ecea95de21ee3733298260Romain Guy 78ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy Snapshot(); 79d9ee550888011a64fa3f35e666360ec8278597d8John Reck Snapshot(Snapshot* s, int saveFlags); 805cbbce535744b89df5ecea95de21ee3733298260Romain Guy 815cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 82ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Various flags set on ::flags. 835cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 845cbbce535744b89df5ecea95de21ee3733298260Romain Guy enum Flags { 855cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Indicates that the clip region was modified. When this 875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * snapshot is restored so must the clip. 885cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 895cbbce535744b89df5ecea95de21ee3733298260Romain Guy kFlagClipSet = 0x1, 905cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 915cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Indicates that this snapshot was created when saving 925cbbce535744b89df5ecea95de21ee3733298260Romain Guy * a new layer. 935cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 94079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy kFlagIsLayer = 0x2, 95f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy /** 96eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Indicates that this snapshot is a special type of layer 97eb99356a0548684a501766e6a524529ab93304c8Romain Guy * backed by an FBO. This flag only makes sense when the 98eb99356a0548684a501766e6a524529ab93304c8Romain Guy * flag kFlagIsLayer is also set. 99a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * 100a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Viewport has been modified to fit the new Fbo, and must be 101a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * restored when this snapshot is restored. 102eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 103eb99356a0548684a501766e6a524529ab93304c8Romain Guy kFlagIsFboLayer = 0x4, 1045cbbce535744b89df5ecea95de21ee3733298260Romain Guy }; 1055cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1065cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 108f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is transformed 109f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * by this snapshot's trasnformation. 1103d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy */ 1116e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed void clip(const Rect& localClip, SkClipOp op); 112f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 113f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 114f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 115f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is considered 116f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * already transformed. 117f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 1186e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed void clipTransformed(const Rect& r, SkClipOp op = kIntersect_SkClipOp); 1195cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1205cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Modifies the current clip with the specified region and operation. 1228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * The specified region is considered already transformed. 1238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 1246e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed void clipRegionTransformed(const SkRegion& region, SkClipOp op); 1258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 127487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * Modifies the current clip with the specified path and operation. 128487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk */ 1296e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed void clipPath(const SkPath& path, SkClipOp op); 130487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 131487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk /** 132d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Sets the current clip. 133d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy */ 134ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy void setClip(float left, float top, float right, float bottom); 135959c91f7f7b4f921d341264f5b4ef54e702a0df0Romain Guy 136ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 137ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Returns the current clip in local coordinates. The clip rect is 138ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * transformed by the inverse transform matrix. 139ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 1401a49868fd82f8975da5685fdb6ca3cc83a99bdf5Ben Cheng ANDROID_API const Rect& getLocalClip(); 1413f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik 1423f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik /** 1433f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik * Returns the current clip in render target coordinates. 1443f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik */ 1456fe991e5e76f9af9dab960100d5768d96d5f4daaChris Craik const Rect& getRenderTargetClip() const { return mClipArea->getClipRect(); } 146487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 147487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk /* 148487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * Accessor functions so that the clip area can stay private 149487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk */ 150487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk bool clipIsEmpty() const { return mClipArea->isEmpty(); } 151487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const SkRegion& getClipRegion() const { return mClipArea->getClipRegion(); } 152487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk bool clipIsSimple() const { return mClipArea->isSimple(); } 153487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk const ClipArea& getClipArea() const { return *mClipArea; } 154e4db79de127cfe961195f52907af8451026eaa20Chris Craik ClipArea& mutateClipArea() { return *mClipArea; } 155d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 15604d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik WARN_UNUSED_RESULT const ClipBase* serializeIntersectedClip(LinearAllocator& allocator, 15704d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik const ClipBase* recordedClip, const Matrix4& recordedClipTransform); 15804d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik void applyClip(const ClipBase* clip, const Matrix4& transform); 15904d46eb69fb4f4c4c332c36c6ae845da3b2ae848Chris Craik 160ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 161ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Resets the clip to the specified rect. 162ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 163ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy void resetClip(float left, float top, float right, float bottom); 164eb99356a0548684a501766e6a524529ab93304c8Romain Guy 165a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik void initializeViewport(int width, int height) { 166a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mViewportData.initialize(width, height); 167487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk mClipAreaRoot.setViewportDimensions(width, height); 168a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 169a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 170a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportWidth() const { return mViewportData.mWidth; } 171a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportHeight() const { return mViewportData.mHeight; } 172a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& getOrthoMatrix() const { return mViewportData.mOrthoMatrix; } 173a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 17469e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik const Vector3& getRelativeLightCenter() const { return mRelativeLightCenter; } 17569e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik void setRelativeLightCenter(const Vector3& lightCenter) { mRelativeLightCenter = lightCenter; } 17669e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik 177ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 178deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Sets (and replaces) the current clipping outline 179e83cbd451868a734bfac07ccd680d5617080b579Chris Craik * 180e83cbd451868a734bfac07ccd680d5617080b579Chris Craik * If the current round rect clip is high priority, the incoming clip is ignored. 181deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 182e83cbd451868a734bfac07ccd680d5617080b579Chris Craik void setClippingRoundRect(LinearAllocator& allocator, const Rect& bounds, 183e83cbd451868a734bfac07ccd680d5617080b579Chris Craik float radius, bool highPriority); 184deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 185deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** 186fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik * Sets (and replaces) the current projection mask 187fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik */ 1885e00c7ce063116c11315639f0035aca8ad73e8ccChris Craik void setProjectionPathMask(const SkPath* path); 189af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy 1908b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy /** 191a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy * Indicates whether the current transform has perspective components. 192a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy */ 193a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy bool hasPerspectiveTransform() const; 194a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy 195a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy /** 1965cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Dirty flags. 1975cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1985cbbce535744b89df5ecea95de21ee3733298260Romain Guy int flags; 1995cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2005cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Previous snapshot. 2025cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 203d9ee550888011a64fa3f35e666360ec8278597d8John Reck Snapshot* previous; 2045cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2055cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * A pointer to the currently active layer. 207ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 208ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This snapshot does not own the layer, this pointer must not be freed. 2095cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 210dda570201ac851dd85af3861f7e575721d3345daRomain Guy Layer* layer; 211f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 213421458aad764cd9d1403d2540ab979b336b02341Romain Guy * Target FBO used for rendering. Set to 0 when rendering directly 214421458aad764cd9d1403d2540ab979b336b02341Romain Guy * into the framebuffer. 215eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 216eb99356a0548684a501766e6a524529ab93304c8Romain Guy GLuint fbo; 217eb99356a0548684a501766e6a524529ab93304c8Romain Guy 218eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 2198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * Local transformation. Holds the current translation, scale and 2208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * rotation values. 221ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 222ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This is a reference to a matrix owned by this snapshot or another 223ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * snapshot. This pointer must not be freed. See ::mTransformRoot. 2248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy */ 2258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4* transform; 2268aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2278aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 228db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * Current alpha value. This value is 1 by default, but may be set by a DisplayList which 229db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * has translucent rendering in a non-overlapping View. This value will be used by 230db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the renderer to set the alpha in the current color being used for ensuing drawing 231db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * operations. The value is inherited by child snapshots because the same value should 232487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk * be applied to descendants of the current DisplayList (for example, a TextView contains 233db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the base alpha value which should be applied to the child DisplayLists used for drawing 234db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the actual text). 235db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase */ 236db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase float alpha; 237db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase 238deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** 239deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Current clipping round rect. 240deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * 241deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Points to data not owned by the snapshot, and may only be replaced by subsequent RR clips, 242deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * never modified. 243deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 244deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* roundRectClipState; 245deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 246fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik /** 247678ff81105753656aa4822f4f675ef96dc9d2b83Chris Craik * Current projection masking path - used exclusively to mask projected, tessellated circles. 248fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik */ 249678ff81105753656aa4822f4f675ef96dc9d2b83Chris Craik const SkPath* projectionPathMask; 250fca52b7583d1e5f5ff8ed06554875d2a30ef56faChris Craik 2515f803623559aab395a29d575c37c4e39c23a4b4eChris Craik void dump() const; 2525f803623559aab395a29d575c37c4e39c23a4b4eChris Craik 2535cbbce535744b89df5ecea95de21ee3733298260Romain Guyprivate: 254a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik struct ViewportData { 255924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik ViewportData() : mWidth(0), mHeight(0) {} 256a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik void initialize(int width, int height) { 257a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mWidth = width; 258a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mHeight = height; 259a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 260a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 261a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 262a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik /* 263a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Width and height of current viewport. 264a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * 265a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * The viewport is always defined to be (0, 0, width, height). 266a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik */ 267a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int mWidth; 268a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int mHeight; 269a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik /** 270a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Contains the current orthographic, projection matrix. 271a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik */ 272a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mat4 mOrthoMatrix; 273a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik }; 274a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 2758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4 mTransformRoot; 276079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 277487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk ClipArea mClipAreaRoot; 278487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk ClipArea* mClipArea; 279487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk Rect mLocalClip; 280487a92caef2eb90a62e8f8d7a6fe6315f1c1d8d8Rob Tsuk 281a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik ViewportData mViewportData; 28269e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik Vector3 mRelativeLightCenter; 283967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy 2845cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // class Snapshot 2855cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2865cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace uirenderer 2875cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace android 288