66 lines
1.2 KiB
C
Executable File
66 lines
1.2 KiB
C
Executable File
#ifndef __OGL_H__
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#define __OGL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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// function pointer declarations
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#define FUNC(ret, name, params) extern ret (__stdcall *name) params;
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#include "glext_funcs.h"
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#undef FUNC
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#ifdef _WIN32
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#ifndef WINGDIAPI
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#define WINGDIAPI __declspec(dllimport)
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#endif
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#ifndef CALLBACK
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#define CALLBACK __stdcall
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#endif
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#ifndef APIENTRY
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#define APIENTRY __stdcall
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#endif
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typedef unsigned short wchar_t; // for glu.h
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#endif // #ifndef _WIN32
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#include <OpenGL/glu.h>
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#include <OpenGL/glext.h>
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#else
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <GL/glext.h>
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#endif
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#define GL_TEXTURE_IMAGE_SIZE_ARB 0x86A0
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extern int max_tex_size; // [pixels]
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extern int tex_units;
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extern int max_VAR_elements; // GF2: 64K; GF3: 1M
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extern bool tex_compression_avail; // S3TC / DXT{1,3,5}
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extern int video_mem; // [MB]; approximate
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// check if the extension <ext> is supported by the OpenGL implementation
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extern bool oglExtAvail(const char* ext);
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// print all OpenGL errors
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extern void oglPrintErrors();
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// call before using any of the above, and after each mode change
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extern void oglInit();
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#ifdef __cplusplus
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}
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#endif
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#endif // #ifndef __OGL_H__
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