/usr/include/cegui-0.8.7/CEGUI/RendererModules/OpenGL/StateChangeWrapper.h is in libcegui-mk2-dev 0.8.7-1.3+b2.
This file is owned by root:root, with mode 0o644.
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created: Wed, 8th Feb 2012
author: Lukas E Meindl
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2012 Paul D Turner & The CEGUI Development Team
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
***************************************************************************/
#ifndef _CEGUIOpenGL3StateChangeWrapper_h_
#define _CEGUIOpenGL3StateChangeWrapper_h_
#include "CEGUI/RendererModules/OpenGL/GL.h"
#include "CEGUI/RendererModules/OpenGL/GL3Renderer.h"
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable : 4251)
#endif
// Start of CEGUI namespace section
namespace CEGUI
{
/*!
\brief
OpenGL3StateChangeWrapper - wraps OpenGL calls and checks for redundant calls beforehand
*/
class OPENGL_GUIRENDERER_API OpenGL3StateChangeWrapper :
public AllocatedObject<OpenGL3StateChangeWrapper>
{
protected:
struct BlendFuncParams
{
BlendFuncParams();
void reset();
bool equal(GLenum sFactor, GLenum dFactor);
GLenum d_sFactor, d_dFactor;
};
struct BlendFuncSeperateParams
{
BlendFuncSeperateParams();
void reset();
bool equal(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
GLenum d_sfactorRGB, d_dfactorRGB, d_sfactorAlpha, d_dfactorAlpha;
};
struct PortParams
{
PortParams();
void reset();
bool equal(GLint x, GLint y, GLsizei width, GLsizei height);
GLint d_x, d_y;
GLsizei d_width, d_height;
};
struct BindBufferParams
{
BindBufferParams();
void reset();
bool equal(GLenum target, GLuint buffer);
GLenum d_target;
GLuint d_buffer;
};
public:
OpenGL3StateChangeWrapper();
OpenGL3StateChangeWrapper(OpenGL3Renderer& owner);
virtual ~OpenGL3StateChangeWrapper();
void reset();
void bindVertexArray(GLuint vertexArray);
void blendFunc(GLenum sfactor, GLenum dfactor);
void blendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
void viewport(GLint x, GLint y, GLsizei width, GLsizei height);
void scissor(GLint x, GLint y, GLsizei width, GLsizei height);
void bindBuffer(GLenum target, GLuint buffer);
protected:
GLuint d_vertexArrayObject;
BlendFuncParams d_blendFuncParams;
BlendFuncSeperateParams d_blendFuncSeperateParams;
PortParams d_viewPortParams;
PortParams d_scissorParams;
BindBufferParams d_bindBufferParams;
};
} // End of CEGUI namespace section
#if defined(_MSC_VER)
# pragma warning(pop)
#endif
#endif
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