colobot/src/graphics/opengl/glframebuffer.h

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/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
#pragma once
#include "graphics/core/framebuffer.h"
#include "graphics/opengl/glutil.h"
namespace Gfx
{
/**
* \class CGLFramebuffer
* \brief Implementation of CFramebuffer interface in OpenGL 3.0+
*
* Provides the concrete implementation of core framebuffers.
* Can be used in OpenGL 3.0+ and with ARB_framebuffer_object supported.
*/
class CGLFramebuffer : public CFramebuffer
{
protected:
FramebufferParams m_params;
int m_width, m_height, m_depth, m_samples;
GLuint m_fbo;
GLuint m_colorRenderbuffer;
GLuint m_colorTexture;
GLuint m_depthRenderbuffer;
GLuint m_depthTexture;
static GLuint m_currentFBO;
public:
CGLFramebuffer(const FramebufferParams& params);
void Create() override;
void Destroy() override;
bool IsDefault() override;
int GetWidth() override;
int GetHeight() override;
int GetDepth() override;
int GetSamples() override;
int GetColorTexture() override;
int GetDepthTexture() override;
void Bind() override;
void Unbind() override;
void CopyToScreen(int fromX, int fromY, int fromWidth, int fromHeight, int toX, int toY, int toWidth, int toHeight) override;
};
/**
* \class CGLFramebuffer
* \brief Implementation of CFramebuffer interface in legacy OpenGL
*
* Provides the concrete implementation of extension framebuffers.
* Can be used with EXT_framebuffer_object supported.
*/
class CGLFramebufferEXT : public CFramebuffer
{
protected:
FramebufferParams m_params;
int m_width, m_height, m_depth, m_samples;
GLuint m_fbo;
GLuint m_colorRenderbuffer;
GLuint m_colorTexture;
GLuint m_depthRenderbuffer;
GLuint m_depthTexture;
static GLuint m_currentFBO;
public:
CGLFramebufferEXT(const FramebufferParams& params);
void Create() override;
void Destroy() override;
bool IsDefault() override;
int GetWidth() override;
int GetHeight() override;
int GetDepth() override;
int GetSamples() override;
int GetColorTexture() override;
int GetDepthTexture() override;
void Bind() override;
void Unbind() override;
void CopyToScreen(int fromX, int fromY, int fromWidth, int fromHeight, int toX, int toY, int toWidth, int toHeight) override;
};
} // end of Gfx