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 "emugl/common/mutex.h"
23
24class RenderingThread;
25
26class Renderer {
27public:
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
50private:
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    emugl::Mutex m_mutex; // single global mutex for the renderer class;
61};
62#endif
63