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 23deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik#include <utils/LinearAllocator.h> 245cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/RefBase.h> 255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Region.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 27ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy#include <SkRegion.h> 28079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 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: 46deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** static void* operator new(size_t size); PURPOSELY OMITTED, allocator only **/ 47deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik static void* operator new(size_t size, LinearAllocator& allocator) { 48deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik return allocator.alloc(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 */ 745cbbce535744b89df5ecea95de21ee3733298260Romain Guyclass Snapshot: public LightRefBase<Snapshot> { 755cbbce535744b89df5ecea95de21ee3733298260Romain Guypublic: 765cbbce535744b89df5ecea95de21ee3733298260Romain Guy 77ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy Snapshot(); 78ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy Snapshot(const sp<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, 103eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 1045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Indicates that this snapshot or an ancestor snapshot is 1055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * an FBO layer. 1065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 107a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik kFlagFboTarget = 0x8, 1085cbbce535744b89df5ecea95de21ee3733298260Romain Guy }; 1095cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1105cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 111f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 112f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is transformed 113f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * by this snapshot's trasnformation. 1143d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy */ 115f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool clip(float left, float top, float right, float bottom, 116ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy SkRegion::Op op = SkRegion::kIntersect_Op); 117f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 118f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 119f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * Modifies the current clip with the new clip rectangle and 120f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * the specified operation. The specified rectangle is considered 121f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * already transformed. 122f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy */ 123ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy bool clipTransformed(const Rect& r, SkRegion::Op op = SkRegion::kIntersect_Op); 1245cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1255cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Modifies the current clip with the specified region and operation. 1278ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * The specified region is considered already transformed. 1288ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 1298ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipRegionTransformed(const SkRegion& region, SkRegion::Op op); 1308ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1318ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 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 */ 1453f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik const Rect& getRenderTargetClip() { return *clipRect; } 146d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 147ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 148ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Resets the clip to the specified rect. 149ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 150ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy void resetClip(float left, float top, float right, float bottom); 151eb99356a0548684a501766e6a524529ab93304c8Romain Guy 152ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 153ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Resets the current transform to a pure 3D translation. 154ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 155ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy void resetTransform(float x, float y, float z); 156eb99356a0548684a501766e6a524529ab93304c8Romain Guy 157a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik void initializeViewport(int width, int height) { 158a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mViewportData.initialize(width, height); 159a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 160a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 161a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportWidth() const { return mViewportData.mWidth; } 162a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int getViewportHeight() const { return mViewportData.mHeight; } 163a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik const Matrix4& getOrthoMatrix() const { return mViewportData.mOrthoMatrix; } 164a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 16569e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik const Vector3& getRelativeLightCenter() const { return mRelativeLightCenter; } 16669e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik void setRelativeLightCenter(const Vector3& lightCenter) { mRelativeLightCenter = lightCenter; } 16769e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik 168ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy /** 169deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Sets (and replaces) the current clipping outline 170e83cbd451868a734bfac07ccd680d5617080b579Chris Craik * 171e83cbd451868a734bfac07ccd680d5617080b579Chris Craik * If the current round rect clip is high priority, the incoming clip is ignored. 172deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 173e83cbd451868a734bfac07ccd680d5617080b579Chris Craik void setClippingRoundRect(LinearAllocator& allocator, const Rect& bounds, 174e83cbd451868a734bfac07ccd680d5617080b579Chris Craik float radius, bool highPriority); 175deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 176deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** 177ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * Indicates whether this snapshot should be ignored. A snapshot 178ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * is typicalled ignored if its layer is invisible or empty. 179ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy */ 180ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy bool isIgnored() const; 181af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy 1828b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy /** 183a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy * Indicates whether the current transform has perspective components. 184a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy */ 185a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy bool hasPerspectiveTransform() const; 186a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy 187a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy /** 1885cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Dirty flags. 1895cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1905cbbce535744b89df5ecea95de21ee3733298260Romain Guy int flags; 1915cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1925cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1935cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Previous snapshot. 1945cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 1955cbbce535744b89df5ecea95de21ee3733298260Romain Guy sp<Snapshot> previous; 1965cbbce535744b89df5ecea95de21ee3733298260Romain Guy 1975cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 1988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * A pointer to the currently active layer. 199ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 200ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This snapshot does not own the layer, this pointer must not be freed. 2015cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 202dda570201ac851dd85af3861f7e575721d3345daRomain Guy Layer* layer; 203f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 2048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 205421458aad764cd9d1403d2540ab979b336b02341Romain Guy * Target FBO used for rendering. Set to 0 when rendering directly 206421458aad764cd9d1403d2540ab979b336b02341Romain Guy * into the framebuffer. 207eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 208eb99356a0548684a501766e6a524529ab93304c8Romain Guy GLuint fbo; 209eb99356a0548684a501766e6a524529ab93304c8Romain Guy 210eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 211dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy * Indicates that this snapshot is invisible and nothing should be drawn 212af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * inside it. This flag is set only when the layer clips drawing to its 213af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * bounds and is passed to subsequent snapshots. 214dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy */ 215dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy bool invisible; 216dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 217dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy /** 218af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * If set to true, the layer will not be composited. This is similar to 219af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy * invisible but this flag is not passed to subsequent snapshots. 220af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy */ 221af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy bool empty; 222af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy 223af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy /** 2248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * Local transformation. Holds the current translation, scale and 2258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * rotation values. 226ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 227ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This is a reference to a matrix owned by this snapshot or another 228ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * snapshot. This pointer must not be freed. See ::mTransformRoot. 2298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy */ 2308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4* transform; 2318aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy /** 233967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy * Current clip rect. The clip is stored in canvas-space coordinates, 2348aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy * (screen-space coordinates in the regular case.) 235ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 236ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This is a reference to a rect owned by this snapshot or another 237ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * snapshot. This pointer must not be freed. See ::mClipRectRoot. 2388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy */ 2398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect* clipRect; 2408aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 242967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy * Current clip region. The clip is stored in canvas-space coordinates, 243967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy * (screen-space coordinates in the regular case.) 244967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy * 245967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy * This is a reference to a region owned by this snapshot or another 246967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy * snapshot. This pointer must not be freed. See ::mClipRegionRoot. 247967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy */ 2480baaac5e9adf3ee280ae1239e2e58754a9d2b099Romain Guy SkRegion* clipRegion; 249967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy 250967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy /** 251f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * The ancestor layer's dirty region. 252ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * 253ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * This is a reference to a region owned by a layer. This pointer must 254ada4d53d50dc869b8278573ad640dc44118d3bcfRomain Guy * not be freed. 2555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 2565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Region* region; 2575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 258db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase /** 259db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * Current alpha value. This value is 1 by default, but may be set by a DisplayList which 260db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * has translucent rendering in a non-overlapping View. This value will be used by 261db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the renderer to set the alpha in the current color being used for ensuing drawing 262db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * operations. The value is inherited by child snapshots because the same value should 263db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * be applied to descendents of the current DisplayList (for example, a TextView contains 264db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the base alpha value which should be applied to the child DisplayLists used for drawing 265db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase * the actual text). 266db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase */ 267db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase float alpha; 268db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase 269deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik /** 270deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Current clipping round rect. 271deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * 272deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * Points to data not owned by the snapshot, and may only be replaced by subsequent RR clips, 273deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik * never modified. 274deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik */ 275deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik const RoundRectClipState* roundRectClipState; 276deeda3d337aed1eee218b89a7aba5992ced371f0Chris Craik 2775f803623559aab395a29d575c37c4e39c23a4b4eChris Craik void dump() const; 2785f803623559aab395a29d575c37c4e39c23a4b4eChris Craik 2795cbbce535744b89df5ecea95de21ee3733298260Romain Guyprivate: 280a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik struct ViewportData { 281924197513aa2df4c1fb2977c1727f5d2c21f2689Chris Craik ViewportData() : mWidth(0), mHeight(0) {} 282a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik void initialize(int width, int height) { 283a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mWidth = width; 284a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mHeight = height; 285a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 286a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik } 287a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 288a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik /* 289a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Width and height of current viewport. 290a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * 291a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * The viewport is always defined to be (0, 0, width, height). 292a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik */ 293a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int mWidth; 294a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik int mHeight; 295a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik /** 296a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik * Contains the current orthographic, projection matrix. 297a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik */ 298a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik mat4 mOrthoMatrix; 299a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik }; 300a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik 301967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy void ensureClipRegion(); 302967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy void copyClipRectFromRegion(); 303967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy 3040baaac5e9adf3ee280ae1239e2e58754a9d2b099Romain Guy bool clipRegionOp(float left, float top, float right, float bottom, SkRegion::Op op); 305967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy 3068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mat4 mTransformRoot; 3078aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect mClipRectRoot; 3083f085429fd47ebd32ac2463b3eae2a5a6c17be25Chris Craik Rect mLocalClip; // don't use directly, call getLocalClip() which initializes this 309079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy 3100baaac5e9adf3ee280ae1239e2e58754a9d2b099Romain Guy SkRegion mClipRegionRoot; 311a64a2bef1048db5a742843f1e3bea9e80d0defc5Chris Craik ViewportData mViewportData; 31269e5adffb19135d51bde8e458f4907d7265f3e23Chris Craik Vector3 mRelativeLightCenter; 313967e2bf3ac8943a8e8a374bf86021915445cda67Romain Guy 3145cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // class Snapshot 3155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 3165cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace uirenderer 3175cbbce535744b89df5ecea95de21ee3733298260Romain Guy}; // namespace android 3185cbbce535744b89df5ecea95de21ee3733298260Romain Guy 3195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_SNAPSHOT_H 320