#ifndef __SG_EXTENSIONS_HXX
#define __SG_EXTENSIONS_HXX 1
-#include <GL/gl.h>
+#if defined(__CYGWIN__) && !defined(WIN32) /* && !defined(USING_X) */
+#define WIN32
+#endif
+
+#if defined(WIN32) /* MINGW and MSC predefine WIN32 */
+# include <windows.h>
+#endif
+
+#if !defined(WIN32)
+# include <dlfcn.h>
+#endif
+
+#include <simgear/compiler.h>
+
+#include SG_GL_H
+
#if defined(__cplusplus)
extern "C" {
#define APIENTRY
#endif
-static bool SGSearchExtensionsString(char *extString, char *extName);
+ // 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))() {
+#elif !defined( WIN32 )
+ void *SGGetGLProcAddress(const char *func);
+
+#endif
+
+inline void (*SGLookupFunction(const char *func))()
+{
#if defined( WIN32 )
- return (void (*)()) wglGetProcAddress(func);
+ return (void (*)()) wglGetProcAddress(func);
#elif defined( __APPLE__ )
- return (void (*)()) macosxGetGLProcAddress(func);
-#else
-
- // 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.
- #if defined( linux ) || defined ( sgi )
- void *libHandle;
- void (*fptr)();
- libHandle = dlopen("libGL.so", RTLD_LAZY);
- fptr = (void (*)()) dlsym(libHandle, func);
- dlclose(libHandle);
- return fptr;
- #else
- return glXGetProcAddressARB(func);
- #endif
+ return (void (*)()) macosxGetGLProcAddress(func);
+
+#else // UNIX
+
+ return (void (*)()) SGGetGLProcAddress(func);
#endif
}
+/*
+ * OpenGL 1.2 and 1.3 enumerants
+ */
+
+#ifndef GL_VERSION_1_2
+#define GL_CLAMP_TO_EDGE 0x812F
+#define GL_TEXTURE_WRAP_R 0x8072
+#define GL_BLEND_EQUATION 0x8009
+#define GL_MIN 0x8007
+#define GL_MAX 0x8008
+#define GL_FUNC_ADD 0x8006
+#define GL_FUNC_SUBTRACT 0x800A
+#define GL_FUNC_REVERSE_SUBTRACT 0x800B
+#define GL_BLEND_COLOR 0x8005
+#define GL_CONSTANT_COLOR 0x8001
+#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
+#define GL_CONSTANT_ALPHA 0x8003
+#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004
+#endif
+
+typedef void (APIENTRY * glBlendEquationProc) (GLenum mode );
+typedef void (APIENTRY * glBlendColorProc) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha );
/* 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
projects / simgear.git / blobdiff