scummvm/graphics/opengl/framebuffer.h
2020-10-14 07:45:56 +02:00

81 lines
2.2 KiB
C++

/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GRAPHICS_OPENGL_FRAMEBUFFER_H
#define GRAPHICS_OPENGL_FRAMEBUFFER_H
#include "graphics/opengl/system_headers.h"
#include "graphics/opengl/texture.h"
#if defined(USE_OPENGL_GAME) || defined(USE_OPENGL_SHADERS) || defined(USE_GLES2)
namespace OpenGL {
class FrameBuffer : public TextureGL {
public:
FrameBuffer(uint width, uint height);
FrameBuffer(GLuint texture_name, uint width, uint height, uint texture_width, uint texture_height);
#if defined(AMIGAOS) || defined(__MORPHOS__)
virtual ~FrameBuffer() {}
void attach() {}
void detach() {}
#else
virtual ~FrameBuffer();
virtual void attach();
virtual void detach();
#endif
protected:
GLuint getFrameBufferName() const { return _frameBuffer; }
private:
void init();
GLuint _renderBuffers[2];
GLuint _frameBuffer;
};
#if !defined(USE_GLES2) && !defined(AMIGAOS) && !defined(__MORPHOS__)
class MultiSampleFrameBuffer : public FrameBuffer {
public:
MultiSampleFrameBuffer(uint width, uint height, int samples);
virtual ~MultiSampleFrameBuffer();
virtual void attach();
virtual void detach();
private:
void init();
GLuint _msFrameBufferId;
GLuint _msColorId;
GLuint _msDepthId;
GLuint _msSamples;
};
#endif
} // End of namespace OpenGL
#endif // defined(USE_OPENGL_GAME) || defined(USE_OPENGL_SHADERS) || defined(USE_GLES2)
#endif