Snapshot.h revision ed7a8fc768df158241819f062a12dafdaf8a628d
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 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_SNAPSHOT_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_SNAPSHOT_H 195cbbce535744b89df5ecea95de21ee3733298260Romain Guy 205cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <GLES2/gl2.h> 215cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <GLES2/gl2ext.h> 225cbbce535744b89df5ecea95de21ee3733298260Romain Guy 235cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/RefBase.h> 245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Region.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 268aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy#include <SkCanvas.h> 27079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 28dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include "Layer.h" 295cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Matrix.h" 305cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Rect.h" 315cbbce535744b89df5ecea95de21ee3733298260Romain Guy 325cbbce535744b89df5ecea95de21ee3733298260Romain Guynamespace android { 335cbbce535744b89df5ecea95de21ee3733298260Romain Guynamespace uirenderer { 345cbbce535744b89df5ecea95de21ee3733298260Romain Guy 355cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 365cbbce535744b89df5ecea95de21ee3733298260Romain Guy * A snapshot holds information about the current state of the rendering 375cbbce535744b89df5ecea95de21ee3733298260Romain Guy * surface. A snapshot is usually created whenever the user calls save() 385cbbce535744b89df5ecea95de21ee3733298260Romain Guy * and discarded when the user calls restore(). Once a snapshot is created, 395cbbce535744b89df5ecea95de21ee3733298260Romain Guy * it can hold information for deferred rendering. 405cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 415cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Each snapshot has a link to a previous snapshot, indicating the previous 425cbbce535744b89df5ecea95de21ee3733298260Romain Guy * state of the renderer. 435cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 445cbbce535744b89df5ecea95de21ee3733298260Romain Guyclass Snapshot: public LightRefBase<Snapshot> { 455cbbce535744b89df5ecea95de21ee3733298260Romain Guypublic: 46af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy Snapshot(): flags(0), previous(NULL), layer(NULL), fbo(0), invisible(false), empty(false) { 478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy transform = &mTransformRoot; 488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipRect = &mClipRectRoot; 495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy region = NULL; 508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy } 515cbbce535744b89df5ecea95de21ee3733298260Romain Guy 525cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * Copies the specified snapshot/ The specified snapshot is stored as 548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * the previous snapshot. 555cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Snapshot(const sp<Snapshot>& s, int saveFlags): 57dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy flags(0), previous(s), layer(NULL), fbo(s->fbo), 58af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy invisible(s->invisible), empty(false), viewport(s->viewport), height(s->height) { 598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy if (saveFlags & SkCanvas::kMatrix_SaveFlag) { 608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mTransformRoot.load(*s->transform); 618aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy transform = &mTransformRoot; 628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy } else { 638aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy transform = s->transform; 648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy } 658aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy if (saveFlags & SkCanvas::kClip_SaveFlag) { 678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mClipRectRoot.set(*s->clipRect); 688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipRect = &mClipRectRoot; 698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy } else { 708aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipRect = s->clipRect; 718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy } 728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (s->flags & Snapshot::kFlagFboTarget) { 745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy flags |= Snapshot::kFlagFboTarget; 755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy region = s->region; 765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } else { 775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy region = NULL; 785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 795cbbce535744b89df5ecea95de21ee3733298260Romain Guy } 805cbbce535744b89df5ecea95de21ee3733298260Romain Guy 815cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 825cbbce535744b89df5ecea95de21ee3733298260Romain 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. 99eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 100eb99356a0548684a501766e6a524529ab93304c8Romain Guy kFlagIsFboLayer = 0x4, 101eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 102eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Indicates that this snapshot has changed the ortho matrix. 103eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 104ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy kFlagDirtyOrtho = 0x8, 1055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 1065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Indicates that this snapshot or an ancestor snapshot is 1075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * an FBO layer. 1085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 109ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy kFlagFboTarget = 0x10 1105cbbce535744b89df5ecea95de21ee3733298260Romain Guy }; 1115cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1125cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 113f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 114f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is transformed 115f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * by this snapshot's trasnformation. 1163d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy */ 117f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool clip(float left, float top, float right, float bottom, 118f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy SkRegion::Op op = SkRegion::kIntersect_Op) { 119af28b514964861d81b48902f942f706050936d38Romain Guy Rect r(left, top, right, bottom); 1208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy transform->mapRect(r); 121f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy return clipTransformed(r, op); 122f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 123f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 124f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 125f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 126f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is considered 127f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * already transformed. 128f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 129f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool clipTransformed(const Rect& r, SkRegion::Op op = SkRegion::kIntersect_Op) { 130f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool clipped = false; 131079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 13287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy // NOTE: The unimplemented operations require support for regions 13387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy // Supporting regions would require using a stencil buffer instead 13487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy // of the scissor. The stencil buffer itself is not too expensive 13587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy // (memory cost excluded) but on fillrate limited devices, managing 13687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy // the stencil might have a negative impact on the framerate. 137079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy switch (op) { 1387fac2e18339f765320d759e8d4c090f92431959eRomain Guy case SkRegion::kDifference_Op: 1397fac2e18339f765320d759e8d4c090f92431959eRomain Guy break; 1407fac2e18339f765320d759e8d4c090f92431959eRomain Guy case SkRegion::kIntersect_Op: 1418aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipped = clipRect->intersect(r); 142f28daffda50042c1b7cbfeb34b4d47741c6e21a8Romain Guy if (!clipped) { 143f28daffda50042c1b7cbfeb34b4d47741c6e21a8Romain Guy clipRect->setEmpty(); 144f28daffda50042c1b7cbfeb34b4d47741c6e21a8Romain Guy clipped = true; 145f28daffda50042c1b7cbfeb34b4d47741c6e21a8Romain Guy } 1467fac2e18339f765320d759e8d4c090f92431959eRomain Guy break; 1477fac2e18339f765320d759e8d4c090f92431959eRomain Guy case SkRegion::kUnion_Op: 1488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipped = clipRect->unionWith(r); 1497fac2e18339f765320d759e8d4c090f92431959eRomain Guy break; 1507fac2e18339f765320d759e8d4c090f92431959eRomain Guy case SkRegion::kXOR_Op: 1517fac2e18339f765320d759e8d4c090f92431959eRomain Guy break; 1527fac2e18339f765320d759e8d4c090f92431959eRomain Guy case SkRegion::kReverseDifference_Op: 1537fac2e18339f765320d759e8d4c090f92431959eRomain Guy break; 1547fac2e18339f765320d759e8d4c090f92431959eRomain Guy case SkRegion::kReplace_Op: 1558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipRect->set(r); 1567fac2e18339f765320d759e8d4c090f92431959eRomain Guy clipped = true; 1577fac2e18339f765320d759e8d4c090f92431959eRomain Guy break; 1585cbbce535744b89df5ecea95de21ee3733298260Romain Guy } 159079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 160079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy if (clipped) { 161ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy flags |= Snapshot::kFlagClipSet; 162079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 163079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 1643d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy return clipped; 1655cbbce535744b89df5ecea95de21ee3733298260Romain Guy } 1665cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1675cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 168d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Sets the current clip. 169d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy */ 170d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy void setClip(float left, float top, float right, float bottom) { 1718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy clipRect->set(left, top, right, bottom); 172ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy flags |= Snapshot::kFlagClipSet; 173079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy } 174079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 175079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy const Rect& getLocalClip() { 176ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy mat4 inverse; 177ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy inverse.loadInverse(*transform); 178959c91f7f7b4f921d341264f5b4ef54e702a0df0Romain Guy 179ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy mLocalClip.set(*clipRect); 180ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy inverse.mapRect(mLocalClip); 181959c91f7f7b4f921d341264f5b4ef54e702a0df0Romain Guy 1828aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return mLocalClip; 183d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 184d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 185eb99356a0548684a501766e6a524529ab93304c8Romain Guy void resetTransform(float x, float y, float z) { 186eb99356a0548684a501766e6a524529ab93304c8Romain Guy transform = &mTransformRoot; 187eb99356a0548684a501766e6a524529ab93304c8Romain Guy transform->loadTranslate(x, y, z); 188eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 189eb99356a0548684a501766e6a524529ab93304c8Romain Guy 190eb99356a0548684a501766e6a524529ab93304c8Romain Guy void resetClip(float left, float top, float right, float bottom) { 191eb99356a0548684a501766e6a524529ab93304c8Romain Guy clipRect = &mClipRectRoot; 192eb99356a0548684a501766e6a524529ab93304c8Romain Guy clipRect->set(left, top, right, bottom); 193ed7a8fc768df158241819f062a12dafdaf8a628dRomain Guy flags |= Snapshot::kFlagClipSet; 194eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 195eb99356a0548684a501766e6a524529ab93304c8Romain Guy 196af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy bool isIgnored() const { 197af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy return invisible || empty; 198af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy } 199af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy 2008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy /** 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Dirty flags. 2025cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 2035cbbce535744b89df5ecea95de21ee3733298260Romain Guy int flags; 2045cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2055cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2065cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Previous snapshot. 2075cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 2085cbbce535744b89df5ecea95de21ee3733298260Romain Guy sp<Snapshot> previous; 2095cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2105cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 2115cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Only set when the flag kFlagIsLayer is set. 2125cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 213dda570201ac851dd85af3861f7e575721d3345daRomain Guy Layer* layer; 214f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 216eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Only set when the flag kFlagIsFboLayer is set. 217eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 218eb99356a0548684a501766e6a524529ab93304c8Romain Guy GLuint fbo; 219eb99356a0548684a501766e6a524529ab93304c8Romain Guy 220eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 221dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * Indicates that this snapshot is invisible and nothing should be drawn 222af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * inside it. This flag is set only when the layer clips drawing to its 223af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * bounds and is passed to subsequent snapshots. 224dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy */ 225dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy bool invisible; 226dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 227dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy /** 228af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * If set to true, the layer will not be composited. This is similar to 229af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * invisible but this flag is not passed to subsequent snapshots. 230af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy */ 231af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy bool empty; 232af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy 233af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy /** 234eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Current viewport. 235eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 236eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect viewport; 237eb99356a0548684a501766e6a524529ab93304c8Romain Guy 238eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 239eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Height of the framebuffer the snapshot is rendering into. 240eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 241eb99356a0548684a501766e6a524529ab93304c8Romain Guy int height; 242eb99356a0548684a501766e6a524529ab93304c8Romain Guy 243eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 244eb99356a0548684a501766e6a524529ab93304c8Romain Guy * Contains the previous ortho matrix. 245eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 246eb99356a0548684a501766e6a524529ab93304c8Romain Guy mat4 orthoMatrix; 247eb99356a0548684a501766e6a524529ab93304c8Romain Guy 248eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 2498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * Local transformation. Holds the current translation, scale and 2508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * rotation values. 2518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy */ 2528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4* transform; 2538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 2558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * Current clip region. The clip is stored in canvas-space coordinates, 2568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * (screen-space coordinates in the regular case.) 2578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy */ 2588aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect* clipRect; 2598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 261f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * The ancestor layer's dirty region. 2625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Region* region; 2645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2655cbbce535744b89df5ecea95de21ee3733298260Romain Guyprivate: 2668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4 mTransformRoot; 2678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect mClipRectRoot; 2688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect mLocalClip; 269079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 2705cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // class Snapshot 2715cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2725cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace uirenderer 2735cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace android 2745cbbce535744b89df5ecea95de21ee3733298260Romain Guy 2755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_SNAPSHOT_H 276