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//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Renderbuffer.h: Defines the virtual gl::Renderbuffer class and its derived
// classes Colorbuffer, Depthbuffer and Stencilbuffer. Implements GL renderbuffer
// objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108.
#ifndef LIBGLESV2_RENDERBUFFER_H_
#define LIBGLESV2_RENDERBUFFER_H_
#define GL_APICALL
#include <GLES2/gl2.h>
#include <d3d9.h>
#include "common/angleutils.h"
namespace gl
{
class Renderbuffer
{
public:
Renderbuffer();
virtual ~Renderbuffer();
virtual bool isColorbuffer();
virtual bool isDepthbuffer();
virtual bool isStencilbuffer();
virtual IDirect3DSurface9 *getRenderTarget();
virtual IDirect3DSurface9 *getDepthStencil();
virtual int getWidth();
virtual int getHeight();
GLenum getFormat();
unsigned int getSerial() const;
static unsigned int issueSerial();
protected:
void setSize(int width, int height);
GLenum mFormat;
unsigned int mSerial;
private:
DISALLOW_COPY_AND_ASSIGN(Renderbuffer);
static unsigned int mCurrentSerial;
int mWidth;
int mHeight;
};
class Colorbuffer : public Renderbuffer
{
public:
explicit Colorbuffer(IDirect3DSurface9 *renderTarget);
Colorbuffer(int width, int height, GLenum format);
~Colorbuffer();
bool isColorbuffer();
GLuint getRedSize();
GLuint getGreenSize();
GLuint getBlueSize();
GLuint getAlphaSize();
IDirect3DSurface9 *getRenderTarget();
protected:
IDirect3DSurface9 *mRenderTarget;
private:
DISALLOW_COPY_AND_ASSIGN(Colorbuffer);
};
class Depthbuffer : public Renderbuffer
{
public:
explicit Depthbuffer(IDirect3DSurface9 *depthStencil);
Depthbuffer(int width, int height);
~Depthbuffer();
bool isDepthbuffer();
GLuint getDepthSize();
IDirect3DSurface9 *getDepthStencil();
private:
DISALLOW_COPY_AND_ASSIGN(Depthbuffer);
IDirect3DSurface9 *mDepthStencil;
};
class Stencilbuffer : public Renderbuffer
{
public:
explicit Stencilbuffer(IDirect3DSurface9 *depthStencil);
Stencilbuffer(int width, int height);
~Stencilbuffer();
bool isStencilbuffer();
GLuint getStencilSize();
IDirect3DSurface9 *getDepthStencil();
private:
DISALLOW_COPY_AND_ASSIGN(Stencilbuffer);
IDirect3DSurface9 *mDepthStencil;
};
}
#endif // LIBGLESV2_RENDERBUFFER_H_
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