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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _LIBRENDER_WINDOWSURFACE_H
#define _LIBRENDER_WINDOWSURFACE_H
#include "ColorBuffer.h"
#include "RenderContext.h"
#include "FBConfig.h"
#include "emugl/common/smart_ptr.h"
#include "FixedBuffer.h"
#include <EGL/egl.h>
#include <GLES/gl.h>
enum SurfaceBindType {
SURFACE_BIND_READ,
SURFACE_BIND_DRAW,
SURFACE_BIND_READDRAW
};
class WindowSurface
{
public:
static WindowSurface *create(int p_config, int p_width, int p_height);
~WindowSurface();
EGLSurface getEGLSurface() const { return m_eglSurface; }
void setColorBuffer(ColorBufferPtr p_colorBuffer);
bool flushColorBuffer();
void bind(RenderContextPtr p_ctx, SurfaceBindType p_bindType);
private:
WindowSurface();
bool blitToColorBuffer(); // copy pbuffer content with texload and blit
bool resizePbuffer(unsigned int p_width, unsigned int p_height);
private:
GLuint m_fbObj; // GLES Framebuffer object (when EGLimage is used)
GLuint m_depthRB;
GLuint m_stencilRB;
EGLSurface m_eglSurface;
ColorBufferPtr m_attachedColorBuffer;
RenderContextPtr m_readContext;
RenderContextPtr m_drawContext;
GLuint m_width;
GLuint m_height;
GLuint m_pbufWidth;
GLuint m_pbufHeight;
bool m_useEGLImage;
bool m_useBindToTexture;
FixedBuffer m_xferBuffer;
FixedBuffer m_xUpdateBuf;
const FBConfig *m_fbconf;
};
typedef emugl::SmartPtr<WindowSurface> WindowSurfacePtr;
#endif
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