RenderState.h revision ebd52610cfeff6e557fde284a7e1efc5e6438285
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16#ifndef RENDERSTATE_H 17#define RENDERSTATE_H 18 19#include <set> 20#include <GLES2/gl2.h> 21#include <GLES2/gl2ext.h> 22#include <utils/Mutex.h> 23 24#include <private/hwui/DrawGlInfo.h> 25 26#include "AssetAtlas.h" 27#include "Caches.h" 28#include "utils/Macros.h" 29 30namespace android { 31namespace uirenderer { 32 33namespace renderthread { 34class CanvasContext; 35class RenderThread; 36} 37 38// TODO: Replace Cache's GL state tracking with this. For now it's more a thin 39// wrapper of Caches for users to migrate to. 40class RenderState { 41 PREVENT_COPY_AND_ASSIGN(RenderState); 42public: 43 void onGLContextCreated(); 44 void onGLContextDestroyed(); 45 46 void setViewport(GLsizei width, GLsizei height); 47 void getViewport(GLsizei* outWidth, GLsizei* outHeight); 48 49 void bindFramebuffer(GLuint fbo); 50 GLint getFramebuffer() { return mFramebuffer; } 51 52 void invokeFunctor(Functor* functor, DrawGlInfo::Mode mode, DrawGlInfo* info); 53 54 void debugOverdraw(bool enable, bool clear); 55 56 void registerLayer(const Layer* layer) { 57 mActiveLayers.insert(layer); 58 } 59 void unregisterLayer(const Layer* layer) { 60 mActiveLayers.erase(layer); 61 } 62 63 void registerCanvasContext(renderthread::CanvasContext* context) { 64 mRegisteredContexts.insert(context); 65 } 66 67 void unregisterCanvasContext(renderthread::CanvasContext* context) { 68 mRegisteredContexts.erase(context); 69 } 70 71 void requireGLContext(); 72 73 // TODO: This system is a little clunky feeling, this could use some 74 // more thinking... 75 void postDecStrong(VirtualLightRefBase* object); 76 77 AssetAtlas& assetAtlas() { return mAssetAtlas; } 78 79private: 80 friend class renderthread::RenderThread; 81 friend class Caches; 82 83 void interruptForFunctorInvoke(); 84 void resumeFromFunctorInvoke(); 85 void assertOnGLThread(); 86 87 RenderState(renderthread::RenderThread& thread); 88 ~RenderState(); 89 90 renderthread::RenderThread& mRenderThread; 91 Caches* mCaches; 92 AssetAtlas mAssetAtlas; 93 std::set<const Layer*> mActiveLayers; 94 std::set<renderthread::CanvasContext*> mRegisteredContexts; 95 96 GLsizei mViewportWidth; 97 GLsizei mViewportHeight; 98 GLuint mFramebuffer; 99 100 pthread_t mThreadId; 101}; 102 103} /* namespace uirenderer */ 104} /* namespace android */ 105 106#endif /* RENDERSTATE_H */ 107