]> git.mxchange.org Git - simgear.git/blobdiff - simgear/screen/extensions.hxx
performance monitor: start measurement interval with a fresh timestamp.
[simgear.git] / simgear / screen / extensions.hxx
index bc3219ac8d9daaa37b3f0cd3268579d82dfd032d..ab5a929fdde01055ae6969e9fc07bd10c1c194e1 100644 (file)
 #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 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);
-
-/*
- * 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
-
-#if defined(__cplusplus)
-}
-#endif
+bool SGSearchExtensionsString(const char *extString, const char *extName);
+bool SGIsOpenGLExtensionSupported(const char *extName);
 
 #endif // !__SG_EXTENSIONS_HXX