#ifndef __SG_EXTENSIONS_HXX
#define __SG_EXTENSIONS_HXX 1
-#if defined(__CYGWIN__) /* && !defined(USING_X) */
-#define WIN32
-#endif
-#if defined(WIN32) /* MINGW and MSC predefine WIN32 */
-# include <windows.h>
-#endif
+#include <simgear/compiler.h>
-#if !defined(WIN32)
-# include <dlfcn.h>
-#endif
-
-#include <GL/gl.h>
-
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-#ifndef APIENTRY
-#define APIENTRY
-#endif
-
- // static bool SGSearchExtensionsString(char *extString, char *extName);
-bool SGIsOpenGLExtensionSupported(char *extName);
-
-#ifdef __APPLE__
- // don't use an inline function for symbol lookup, since it is too big
- void* macosxGetGLProcAddress(const char *func);
-#endif
-
-inline void (*SGLookupFunction(const char *func))()
-{
-#if defined( WIN32 )
- return (void (*)()) wglGetProcAddress(func);
-
-#elif defined( __APPLE__ )
- return (void (*)()) macosxGetGLProcAddress(func);
-
-#else // UNIX
-
- // If the target system s UNIX and the ARB_get_proc_address
- // GLX extension is *not* guaranteed to be supported. An alternative
- // dlsym-based approach will be used instead.
-
- void *libHandle;
- void (*fptr)();
- libHandle = dlopen("libGL.so", RTLD_LAZY);
- fptr = (void (*)()) dlsym(libHandle, func);
- dlclose(libHandle);
- return fptr;
-#endif
-}
-
-/*
- * OpenGL 1.2 and 1.3 enumerants
- */
-
-#ifndef GL_CLAMP_TO_EDGE
-#define GL_CLAMP_TO_EDGE 0x812F
-#endif
-
-#ifndef GL_TEXTURE_WRAP_R
-#define GL_TEXTURE_WRAP_R 0x8072
-#endif
-
-
-/* OpenGL extension declarations */
-
-/*
- * glPointParameterf and glPointParameterfv
- */
-#ifndef GL_EXT_point_parameters
-#define GL_EXT_point_parameters 1
-#define GL_POINT_SIZE_MIN_EXT 0x8126
-#define GL_DISTANCE_ATTENUATION_EXT 0x8129
-#endif
-
-#ifndef GL_ARB_point_parameters
-#define GL_ARB_point_parameters 1
-#define GL_POINT_SIZE_MIN_ARB 0x8126
-#define GL_DISTANCE_ATTENUATION_ARB 0x8129
-#endif
-
-typedef void (APIENTRY * glPointParameterfProc)(GLenum pname, GLfloat param);
-typedef void (APIENTRY * glPointParameterfvProc)(GLenum pname, const GLfloat *params);
-
-/*
- * glActiveTextureARB
- */
-
-#ifndef GL_ARB_multitexture
-#define GL_ARB_multitexture 1
-#define GL_TEXTURE0_ARB 0x84C0
-#define GL_TEXTURE1_ARB 0x84C1
-#define GL_TEXTURE2_ARB 0x84C2
-#define GL_TEXTURE3_ARB 0x84C3
-#define GL_TEXTURE4_ARB 0x84C4
-#define GL_TEXTURE5_ARB 0x84C5
-#define GL_TEXTURE6_ARB 0x84C6
-#define GL_TEXTURE7_ARB 0x84C7
-#define GL_TEXTURE8_ARB 0x84C8
-#define GL_TEXTURE9_ARB 0x84C9
-#define GL_TEXTURE10_ARB 0x84CA
-#define GL_TEXTURE11_ARB 0x84CB
-#define GL_TEXTURE12_ARB 0x84CC
-#define GL_TEXTURE13_ARB 0x84CD
-#define GL_TEXTURE14_ARB 0x84CE
-#define GL_TEXTURE15_ARB 0x84CF
-#define GL_TEXTURE16_ARB 0x84D0
-#define GL_TEXTURE17_ARB 0x84D1
-#define GL_TEXTURE18_ARB 0x84D2
-#define GL_TEXTURE19_ARB 0x84D3
-#define GL_TEXTURE20_ARB 0x84D4
-#define GL_TEXTURE21_ARB 0x84D5
-#define GL_TEXTURE22_ARB 0x84D6
-#define GL_TEXTURE23_ARB 0x84D7
-#define GL_TEXTURE24_ARB 0x84D8
-#define GL_TEXTURE25_ARB 0x84D9
-#define GL_TEXTURE26_ARB 0x84DA
-#define GL_TEXTURE27_ARB 0x84DB
-#define GL_TEXTURE28_ARB 0x84DC
-#define GL_TEXTURE29_ARB 0x84DD
-#define GL_TEXTURE30_ARB 0x84DE
-#define GL_TEXTURE31_ARB 0x84DF
-#define GL_ACTIVE_TEXTURE_ARB 0x84E0
-#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
-#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
-#endif
-
-typedef void (APIENTRY * glActiveTextureProc)(GLenum texture);
-typedef void (APIENTRY * glClientActiveTextureProc)(GLenum texture);
-
-/*
- * GL_EXT_separate_specular_color
- */
-
-#ifndef GL_LIGHT_MODEL_COLOR_CONTROL
-#define GL_LIGHT_MODEL_COLOR_CONTROL 0x81F8
-#define GL_SINGLE_COLOR 0x81F9
-#define GL_SEPARATE_SPECULAR_COLOR 0x81FA
-#endif
-
-/*
- * GL_ARB_texture_cube_map
- */
-
-#ifndef GL_ARB_texture_cube_map
-#define GL_ARB_texture_cube_map 1
-#define GL_NORMAL_MAP_ARB 0x8511
-#define GL_REFLECTION_MAP_ARB 0x8512
-#define GL_TEXTURE_CUBE_MAP_ARB 0x8513
-#define GL_TEXTURE_BINDING_CUBE_MAP_ARB 0x8514
-#define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x8515
-#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x8516
-#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x8517
-#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x8518
-#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x8519
-#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x851A
-#define GL_PROXY_TEXTURE_CUBE_MAP_ARB 0x851B
-#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB 0x851C
-#endif
-
-/*
- * GL_ARB_texture_env_combine
- */
-
-#ifndef GL_ARB_texture_env_combine
-#define GL_ARB_texture_env_combine 1
-#define GL_COMBINE_ARB 0x8570
-#define GL_COMBINE_RGB_ARB 0x8571
-#define GL_COMBINE_ALPHA_ARB 0x8572
-#define GL_RGB_SCALE_ARB 0x8573
-#define GL_ADD_SIGNED_ARB 0x8574
-#define GL_INTERPOLATE_ARB 0x8575
-#define GL_CONSTANT_ARB 0x8576
-#define GL_PRIMARY_COLOR_ARB 0x8577
-#define GL_PREVIOUS_ARB 0x8578
-#define GL_SOURCE0_RGB_ARB 0x8580
-#define GL_SOURCE1_RGB_ARB 0x8581
-#define GL_SOURCE2_RGB_ARB 0x8582
-#define GL_SOURCE0_ALPHA_ARB 0x8588
-#define GL_SOURCE1_ALPHA_ARB 0x8589
-#define GL_SOURCE2_ALPHA_ARB 0x858A
-#define GL_OPERAND0_RGB_ARB 0x8590
-#define GL_OPERAND1_RGB_ARB 0x8591
-#define GL_OPERAND2_RGB_ARB 0x8592
-#define GL_OPERAND0_ALPHA_ARB 0x8598
-#define GL_OPERAND1_ALPHA_ARB 0x8599
-#define GL_OPERAND2_ALPHA_ARB 0x859A
-#endif
-
-/*
- * GL_ARB_texture_env_dot3
- */
-
-#ifndef GL_ARB_texture_env_dot3
-#define GL_ARB_texture_env_dot3 1
-#define GL_DOT3_RGB_ARB 0x86AE
-#define GL_DOT3_RGBA_ARB 0x86AF
-#endif
-
-#if defined(__cplusplus)
-}
-#endif
+bool SGSearchExtensionsString(const char *extString, const char *extName);
+bool SGIsOpenGLExtensionSupported(const char *extName);
#endif // !__SG_EXTENSIONS_HXX
projects / simgear.git / blobdiff