8c962dce6c
That replaces the readback to host we do at the end of each frame with two blits on the GPU, one to copy the pixels into a texture and another to render the texture to another in order to flip the image. Change-Id: I7e0e10493d38944d0b613e245023f34236d3dfc4
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/*
|
|
* 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 "SmartPtr.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);
|
|
void flushColorBuffer();
|
|
void bind(RenderContextPtr p_ctx, SurfaceBindType p_bindType);
|
|
|
|
private:
|
|
WindowSurface();
|
|
|
|
void copyToColorBuffer(); // copy pbuffer content with readback+download
|
|
void 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 SmartPtr<WindowSurface> WindowSurfacePtr;
|
|
|
|
#endif
|