1 /* 2 * Copyright (C) 2011 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 _RENDERER_H_ 17 #define _RENDERER_H_ 18 #include <map> 19 #include "RendererSurface.h" 20 #include "RendererContext.h" 21 #include "NativeWindowing.h" 22 #include <utils/threads.h> 23 24 class RenderingThread; 25 26 class Renderer { 27 public: 28 29 class ClientHandle { 30 public: 31 unsigned int pid; 32 unsigned int handle; 33 ClientHandle(unsigned int _pid, unsigned int _handle) : pid(_pid), handle(_handle) {} 34 35 bool operator< (const ClientHandle & p) const { 36 bool val = (pid == p.pid) ? handle < p.handle : pid < p.pid; 37 return val; 38 } 39 }; 40 41 static Renderer *instance(); 42 int createSurface(RenderingThread *thread, const ClientHandle & handle); 43 int destroySurface(RenderingThread *thread, const ClientHandle &handle); 44 int createContext(RenderingThread *thread, const ClientHandle & ctx, const ClientHandle shareCtx, int version); 45 int destroyContext(RenderingThread *thread,const ClientHandle & ctx); 46 int makeCurrent(RenderingThread *thread, 47 const ClientHandle & drawSurface, const ClientHandle & readSurface, const ClientHandle & ctx); 48 int swapBuffers(RenderingThread *thread, const ClientHandle & surface); 49 50 private: 51 typedef std::map<ClientHandle, RendererSurface *> SurfaceMap; 52 typedef std::map<ClientHandle, RendererContext *> ContextMap; 53 static Renderer *m_instance; 54 Renderer(); 55 SurfaceMap m_surfaces; 56 ContextMap m_ctxs; 57 NativeWindowing *m_nw; 58 EGLDisplay m_dpy; 59 60 android::Mutex m_mutex; // single global mutex for the renderer class; 61 }; 62 #endif 63
