d1/d1a/refresh_2gl_2qgl_2fixed_8h_source.html

/*

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