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5f8b738ea5
Extend OpenGl_Context to provide GL2.0 core functionality Added 'glext.h' header provided by Khronos group with definitions and GL functions' types. Added OpenGl_GlCoreXX structures with function list to appropriate GL core functionality. Fixed memory leak in OpenGl_Context destructor. Eliminate inclusions of gl.h header Use OpenGl_GlCore11.hxx instead. Removed obsolote M_PI redefinitions. Slightly cleaned up included headers. Reuse definitions from glext.h OpenGl_ArbVBO and OpenGl_ExtFBO originally provide own definitions for OpenGL extensions.
35 lines
831 B
C++
35 lines
831 B
C++
// File: OpenGl_GlCore12.hxx
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// Created: 06 March 2012
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// Author: Kirill GAVRILOV
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// Copyright: OPEN CASCADE 2012
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#ifndef _OpenGl_GlCore12_H__
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#define _OpenGl_GlCore12_H__
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#include <OpenGl_GlCore11.hxx>
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// GL version can be defined by system gl.h header
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#undef GL_VERSION_1_2
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#undef GL_VERSION_1_3
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#undef GL_VERSION_1_4
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#undef GL_VERSION_1_5
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#undef GL_VERSION_2_0
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// include glext.h provided by Khronos group
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#include <glext.h>
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//! Function list for GL1.2 core functionality.
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struct OpenGl_GlCore12
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{
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PFNGLBLENDCOLORPROC glBlendColor;
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PFNGLBLENDEQUATIONPROC glBlendEquation;
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PFNGLDRAWRANGEELEMENTSPROC glDrawRangeElements;
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PFNGLTEXIMAGE3DPROC glTexImage3D;
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PFNGLTEXSUBIMAGE3DPROC glTexSubImage3D;
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PFNGLCOPYTEXSUBIMAGE3DPROC glCopyTexSubImage3D;
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};
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#endif // _OpenGl_GlCore12_H__
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