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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 QGL_H
#define QGL_H
#if USE_SDL
#include <SDL_opengl.h>
#else // USE_SDL
#ifdef _MSC_VER
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif // _MSC_VER
#include <GL/gl.h>
#include <GL/glext.h>
#endif // !USE_SDL
// ==========================================================
// subset of OpenGL 1.1 core functions
#define qglAlphaFunc glAlphaFunc
#define qglBindTexture glBindTexture
#define qglBlendFunc glBlendFunc
#define qglClear glClear
#define qglClearColor glClearColor
#define qglClearDepth glClearDepth
#define qglClearStencil glClearStencil
#define qglColor4f glColor4f
#define qglColor4fv glColor4fv
#define qglColorMask glColorMask
#define qglColorPointer glColorPointer
#define qglCopyTexImage2D glCopyTexImage2D
#define qglCopyTexSubImage2D glCopyTexSubImage2D
#define qglCullFace glCullFace
#define qglDeleteTextures glDeleteTextures
#define qglDepthFunc glDepthFunc
#define qglDepthMask glDepthMask
#define qglDepthRange glDepthRange
#define qglDisable glDisable
#define qglDisableClientState glDisableClientState
#define qglDrawArrays glDrawArrays
#define qglDrawElements glDrawElements
#define qglEnable glEnable
#define qglEnableClientState glEnableClientState
#define qglFinish glFinish
#define qglFlush glFlush
#define qglFogf glFogf
#define qglFogfv glFogfv
#define qglFrontFace glFrontFace
#define qglFrustum glFrustum
#define qglGenTextures glGenTextures
#define qglGetError glGetError
#define qglGetFloatv glGetFloatv
#define qglGetIntegerv glGetIntegerv
#define qglGetString glGetString
#define qglHint glHint
#define qglIsEnabled glIsEnabled
#define qglIsTexture glIsTexture
#define qglLightModelf glLightModelf
#define qglLightModelfv glLightModelfv
#define qglLightf glLightf
#define qglLightfv glLightfv
#define qglLineWidth glLineWidth
#define qglLoadIdentity glLoadIdentity
#define qglLoadMatrixf glLoadMatrixf
#define qglLogicOp glLogicOp
#define qglMaterialf glMaterialf
#define qglMaterialfv glMaterialfv
#define qglMatrixMode glMatrixMode
#define qglMultMatrixf glMultMatrixf
#define qglNormal3f glNormal3f
#define qglNormal3fv glNormal3fv
#define qglNormalPointer glNormalPointer
#define qglOrtho glOrtho
#define qglPixelStorei glPixelStorei
#define qglPointSize glPointSize
#define qglPolygonMode glPolygonMode
#define qglPolygonOffset glPolygonOffset
#define qglPopMatrix glPopMatrix
#define qglPushMatrix glPushMatrix
#define qglReadPixels glReadPixels
#define qglRotatef glRotatef
#define qglScalef glScalef
#define qglScissor glScissor
#define qglShadeModel glShadeModel
#define qglStencilFunc glStencilFunc
#define qglStencilMask glStencilMask
#define qglStencilOp glStencilOp
#define qglTexCoordPointer glTexCoordPointer
#define qglTexEnvf glTexEnvf
#define qglTexEnvfv glTexEnvfv
#define qglTexImage2D glTexImage2D
#define qglTexParameterf glTexParameterf
#define qglTexParameterfv glTexParameterfv
#define qglTexSubImage2D glTexSubImage2D
#define qglTranslatef glTranslatef
#define qglVertexPointer glVertexPointer
#define qglViewport glViewport
// OpenGL 3.0 core function
extern PFNGLGENERATEMIPMAPPROC qglGenerateMipmap;
// GL_ARB_fragment_program
extern PFNGLPROGRAMSTRINGARBPROC qglProgramStringARB;
extern PFNGLBINDPROGRAMARBPROC qglBindProgramARB;
extern PFNGLDELETEPROGRAMSARBPROC qglDeleteProgramsARB;
extern PFNGLGENPROGRAMSARBPROC qglGenProgramsARB;
extern PFNGLPROGRAMENVPARAMETER4FVARBPROC qglProgramEnvParameter4fvARB;
extern PFNGLPROGRAMLOCALPARAMETER4FVARBPROC qglProgramLocalParameter4fvARB;
// GL_ARB_multitexture
extern PFNGLACTIVETEXTUREARBPROC qglActiveTextureARB;
extern PFNGLCLIENTACTIVETEXTUREARBPROC qglClientActiveTextureARB;
// GL_ARB_vertex_buffer_object
extern PFNGLBINDBUFFERARBPROC qglBindBufferARB;
extern PFNGLDELETEBUFFERSARBPROC qglDeleteBuffersARB;
extern PFNGLGENBUFFERSARBPROC qglGenBuffersARB;
extern PFNGLBUFFERDATAARBPROC qglBufferDataARB;
extern PFNGLBUFFERSUBDATAARBPROC qglBufferSubDataARB;
// GL_EXT_compiled_vertex_array
extern PFNGLLOCKARRAYSEXTPROC qglLockArraysEXT;
extern PFNGLUNLOCKARRAYSEXTPROC qglUnlockArraysEXT;
// ==========================================================
#define QGL_ARB_fragment_program (1 << 0)
#define QGL_ARB_multitexture (1 << 1)
#define QGL_ARB_vertex_buffer_object (1 << 2)
#define QGL_EXT_compiled_vertex_array (1 << 3)
#define QGL_EXT_texture_filter_anisotropic (1 << 4)
#define QGL_3_0_core_functions (1 << 31)
#define QGL_Init() qtrue
#define QGL_Shutdown() QGL_ShutdownExtensions(~0)
void QGL_InitExtensions(unsigned mask);
void QGL_ShutdownExtensions(unsigned mask);
unsigned QGL_ParseExtensionString(const char *s);
#ifdef _DEBUG
#define QGL_EnableLogging(mask) (void)0
#define QGL_DisableLogging(mask) (void)0
#define QGL_LogComment(...) (void)0
#endif
#endif // QGL_H
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