// // Simple library to load basic extensions // // Author: Alex V. Boreskoff , // #pragma warning(disable:4996) #ifdef _WIN32 #include #endif #include #include "../GL/glext.h" #include #include #include #include #include #include "libExt.h" // multitexture functions #ifdef _WIN32 // under Linux all multitexture is // supported by OpenGL itself PFNGLACTIVETEXTUREARBPROC glActiveTextureARB = NULL; PFNGLCLIENTACTIVETEXTUREARBPROC glClientActiveTextureARB = NULL; PFNGLMULTITEXCOORD1FARBPROC glMultiTexCoord1f = NULL; PFNGLMULTITEXCOORD1FVARBPROC glMultiTexCoord1fv = NULL; PFNGLMULTITEXCOORD2FARBPROC glMultiTexCoord2f = NULL; PFNGLMULTITEXCOORD2FVARBPROC glMultiTexCoord2fv = NULL; PFNGLMULTITEXCOORD3FARBPROC glMultiTexCoord3f = NULL; PFNGLMULTITEXCOORD3FVARBPROC glMultiTexCoord3fv = NULL; PFNGLMULTITEXCOORD4FARBPROC glMultiTexCoord4f = NULL; PFNGLMULTITEXCOORD4FVARBPROC glMultiTexCoord4fv = NULL; #endif // fog coord function PFNGLFOGCOORDFEXTPROC glFogCoordf = NULL; // secondary color functions PFNGLSECONDARYCOLOR3FPROC glSecondaryColor3f = NULL; PFNGLSECONDARYCOLOR3FVPROC glSecondaryColor3fv = NULL; PFNGLSECONDARYCOLORPOINTERPROC glSecondaryColorPointer = NULL; // register combiners functions PFNGLCOMBINERPARAMETERFVNVPROC glCombinerParameterfvNV = NULL; PFNGLCOMBINERPARAMETERIVNVPROC glCombinerParameterivNV = NULL; PFNGLCOMBINERPARAMETERFNVPROC glCombinerParameterfNV = NULL; PFNGLCOMBINERPARAMETERINVPROC glCombinerParameteriNV = NULL; PFNGLCOMBINERINPUTNVPROC glCombinerInputNV = NULL; PFNGLCOMBINEROUTPUTNVPROC glCombinerOutputNV = NULL; PFNGLFINALCOMBINERINPUTNVPROC glFinalCombinerInputNV = NULL; // VBO functions PFNGLBINDBUFFERARBPROC glBindBufferARB = NULL; PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB = NULL; PFNGLGENBUFFERSARBPROC glGenBuffersARB = NULL; PFNGLISBUFFERARBPROC glIsBufferARB = NULL; PFNGLBUFFERDATAARBPROC glBufferDataARB = NULL; PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB = NULL; PFNGLGETBUFFERSUBDATAARBPROC glGetBufferSubDataARB = NULL; PFNGLMAPBUFFERARBPROC glMapBufferARB = NULL; PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB = NULL; PFNGLGETBUFFERPARAMETERIVARBPROC glGetBufferParameterivARB = NULL; PFNGLGETBUFFERPOINTERVARBPROC glGetBufferPointervARB = NULL; #ifdef _WIN32 PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = NULL; // p-buffer functions PFNWGLCREATEPBUFFERARBPROC wglCreatePbufferARB = NULL; PFNWGLGETPBUFFERDCARBPROC wglGetPbufferDCARB = NULL; PFNWGLRELEASEPBUFFERDCARBPROC wglReleasePbufferDCARB = NULL; PFNWGLDESTROYPBUFFERARBPROC wglDestroyPbufferARB = NULL; PFNWGLQUERYPBUFFERARBPROC wglQueryPbufferARB = NULL; // WGL_ARB_pixel_format PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARB = NULL; // WGL_ARB_render_texture PFNWGLBINDTEXIMAGEARBPROC wglBindTexImageARB = NULL; PFNWGLRELEASETEXIMAGEARBPROC wglReleaseTexImageARB = NULL; PFNWGLSETPBUFFERATTRIBARBPROC wglSetPbufferAttribARB = NULL; // WGL_EXT_swap_control PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT = NULL; PFNWGLGETSWAPINTERVALEXTPROC wglGetSwapIntervalEXT = NULL; #else // GLX_SGIX_pbuffer PFNGLXCREATEGLXPBUFFERSGIXPROC glXCreateGLXPbufferSGIX = NULL; PFNGLXDESTROYGLXPBUFFERSGIXPROC glXDestroyGLXPbufferSGIX = NULL; PFNGLXQUERYGLXPBUFFERSGIXPROC glXQueryGLXPbufferSGIX = NULL; // GLX_SGIX_fbconfig PFNGLXCHOOSEFBCONFIGSGIXPROC glXChooseFBConfigSGIX = NULL; PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC glXCreateContextWithConfigSGIX = NULL; #endif // NV-occlusion query extension PFNGLGENOCCLUSIONQUERIESNVPROC glGenOcclusionQueriesNV = NULL; PFNGLBEGINOCCLUSIONQUERYNVPROC glBeginOcclusionQueryNV = NULL; PFNGLENDOCCLUSIONQUERYNVPROC glEndOcclusionQueryNV = NULL; PFNGLGETOCCLUSIONQUERYIVNVPROC glGetOcclusionQueryivNV = NULL; // ARB_vertex_program extension PFNGLGENPROGRAMSARBPROC glGenProgramsARB = NULL; PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB = NULL; PFNGLBINDPROGRAMARBPROC glBindProgramARB = NULL; PFNGLISPROGRAMARBPROC glIsProgramARB = NULL; PFNGLPROGRAMSTRINGARBPROC glProgramStringARB = NULL; PFNGLGETPROGRAMIVARBPROC glGetProgramivARB = NULL; PFNGLVERTEXATTRIB4FARBPROC glVertexAttrib4fARB = NULL; PFNGLVERTEXATTRIB4FVARBPROC glVertexAttrib4fvARB = NULL; PFNGLVERTEXATTRIB3FARBPROC glVertexAttrib3fARB = NULL; PFNGLVERTEXATTRIB3FVARBPROC glVertexAttrib3fvARB = NULL; PFNGLVERTEXATTRIBPOINTERARBPROC glVertexAttribPointerARB = NULL; PFNGLENABLEVERTEXATTRIBARRAYARBPROC glEnableVertexAttribArrayARB = NULL; PFNGLDISABLEVERTEXATTRIBARRAYARBPROC glDisableVertexAttribArrayARB = NULL; PFNGLPROGRAMLOCALPARAMETER4FARBPROC glProgramLocalParameter4fARB = NULL; PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB = NULL; PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC glGetProgramLocalParameterfvARB = NULL; PFNGLPROGRAMENVPARAMETER4FARBPROC glProgramEnvParameter4fARB = NULL; PFNGLPROGRAMENVPARAMETER4FVARBPROC glProgramEnvParameter4fvARB = NULL; PFNGLGETPROGRAMENVPARAMETERFVARBPROC glGetProgramEnvParameterfvARB = NULL; // GL_EXT_texture3D PFNGLTEXIMAGE3DEXTPROC glTexImage3DEXT = NULL; // ARB_texture_compression PFNGLCOMPRESSEDTEXIMAGE3DARBPROC glCompressedTexImage3DARB = NULL; PFNGLCOMPRESSEDTEXIMAGE2DARBPROC glCompressedTexImage2DARB = NULL; PFNGLCOMPRESSEDTEXIMAGE1DARBPROC glCompressedTexImage1DARB = NULL; PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC glCompressedTexSubImage3DARB = NULL; PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC glCompressedTexSubImage2DARB = NULL; PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC glCompressedTexSubImage1DARB = NULL; PFNGLGETCOMPRESSEDTEXIMAGEARBPROC glGetCompressedTexImageARB = NULL; // ARB_point_parameters PFNGLPOINTPARAMETERFARBPROC glPointParameterfARB = NULL; PFNGLPOINTPARAMETERFVARBPROC glPointParameterfvARB = NULL; // ARB_occlusion_query PFNGLGENQUERIESARBPROC glGenQueriesARB = NULL; PFNGLDELETEQUERIESARBPROC glDeleteQueriesARB = NULL; PFNGLISQUERYARBPROC glIsQueryARB = NULL; PFNGLBEGINQUERYARBPROC glBeginQueryARB = NULL; PFNGLENDQUERYARBPROC glEndQueryARB = NULL; PFNGLGETQUERYIVARBPROC glGetQueryivARB = NULL; PFNGLGETQUERYOBJECTIVARBPROC glGetQueryObjectivARB = NULL; PFNGLGETQUERYOBJECTUIVARBPROC glGetQueryObjectuivARB = NULL; // GLSL-specific extensions // GL_ARB_shader_object PFNGLDELETEOBJECTARBPROC glDeleteObjectARB = NULL; PFNGLGETHANDLEARBPROC glGetHandleARB = NULL; PFNGLDETACHOBJECTARBPROC glDetachObjectARB = NULL; PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB = NULL; PFNGLSHADERSOURCEARBPROC glShaderSourceARB = NULL; PFNGLCOMPILESHADERARBPROC glCompileShaderARB = NULL; PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB = NULL; PFNGLATTACHOBJECTARBPROC glAttachObjectARB = NULL; PFNGLLINKPROGRAMARBPROC glLinkProgramARB = NULL; PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB = NULL; PFNGLVALIDATEPROGRAMARBPROC glValidateProgramARB = NULL; PFNGLUNIFORM1FARBPROC glUniform1fARB = NULL; PFNGLUNIFORM2FARBPROC glUniform2fARB = NULL; PFNGLUNIFORM3FARBPROC glUniform3fARB = NULL; PFNGLUNIFORM4FARBPROC glUniform4fARB = NULL; PFNGLUNIFORM1IARBPROC glUniform1iARB = NULL; PFNGLUNIFORM2IARBPROC glUniform2iARB = NULL; PFNGLUNIFORM3IARBPROC glUniform3iARB = NULL; PFNGLUNIFORM4IARBPROC glUniform4iARB = NULL; PFNGLUNIFORM1FVARBPROC glUniform1fvARB = NULL; PFNGLUNIFORM2FVARBPROC glUniform2fvARB = NULL; PFNGLUNIFORM3FVARBPROC glUniform3fvARB = NULL; PFNGLUNIFORM4FVARBPROC glUniform4fvARB = NULL; PFNGLUNIFORM1IVARBPROC glUniform1ivARB = NULL; PFNGLUNIFORM2IVARBPROC glUniform2ivARB = NULL; PFNGLUNIFORM3IVARBPROC glUniform3ivARB = NULL; PFNGLUNIFORM4IVARBPROC glUniform4ivARB = NULL; PFNGLUNIFORMMATRIX2FVARBPROC glUniformMatrix2fvARB = NULL; PFNGLUNIFORMMATRIX3FVARBPROC glUniformMatrix3fvARB = NULL; PFNGLUNIFORMMATRIX4FVARBPROC glUniformMatrix4fvARB = NULL; PFNGLGETOBJECTPARAMETERFVARBPROC glGetObjectParameterfvARB = NULL; PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB = NULL; PFNGLGETINFOLOGARBPROC glGetInfoLogARB = NULL; PFNGLGETATTACHEDOBJECTSARBPROC glGetAttachedObjectsARB = NULL; PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB = NULL; PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB = NULL; PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB = NULL; PFNGLGETUNIFORMIVARBPROC glGetUniformivARB = NULL; PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB = NULL; // GL_ARB_vertex_shader PFNGLBINDATTRIBLOCATIONARBPROC glBindAttribLocationARB = NULL; PFNGLGETACTIVEATTRIBARBPROC glGetActiveAttribARB = NULL; PFNGLGETATTRIBLOCATIONARBPROC glGetAttribLocationARB = NULL; PFNGLGETVERTEXATTRIBFVARBPROC glGetVertexAttribfvARB = NULL; // EXT_stencil_two_side PFNGLACTIVESTENCILFACEEXTPROC glActiveStencilFaceEXT = NULL; // EXT_depth_bounds_test PFNGLDEPTHBOUNDSEXTPROC glDepthBoundsEXT = NULL; // EXT_framebuffer_object PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT = NULL; PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT = NULL; PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT = NULL; PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT = NULL; PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT = NULL; PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT = NULL; PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT = NULL; PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT = NULL; PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT = NULL; PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT = NULL; PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT = NULL; PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT = NULL; PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT = NULL; PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT = NULL; PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT = NULL; PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT = NULL; PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT = NULL; #ifndef GL_VERSION_1_3 // ARB_transpose matrix PFNGLLOADTRANSPOSEMATRIXFPROC glLoadTransposeMatrixfARB = NULL; PFNGLLOADTRANSPOSEMATRIXDPROC glLoadTransposeMatrixdARB = NULL; PFNGLMULTTRANSPOSEMATRIXFPROC glMultTransposeMatrixfARB = NULL; PFNGLMULTTRANSPOSEMATRIXDPROC glMultTransposeMatrixdARB = NULL; #endif // ARB_color_buffer_float PFNGLCLAMPCOLORARBPROC glClampColorARB = NULL; #ifdef _WIN32 // fresh Linux already has 2.0 // stencel ops from OpenGL 2.0 PFNGLSTENCILFUNCSEPARATEPROC glStencilFuncSeparate = NULL; PFNGLSTENCILOPSEPARATEPROC glStencilOpSeparate = NULL; PFNGLSTENCILMASKSEPARATEPROC glStencilMaskSeparate = NULL; // blend ops from OPenGL 2.0 PFNGLBLENDEQUATIONPROC glBlendEquation = NULL; PFNGLBLENDEQUATIONSEPARATEPROC glBlendEquationSeparate = NULL; PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate = NULL; PFNGLBLENDCOLORPROC glBlendColor = NULL; #endif // draw buffers from OpenGL 2.0 PFNGLDRAWBUFFERSPROC glDrawBuffers = NULL; // ATI_draw_buffers PFNGLDRAWBUFFERSATIPROC glDrawBuffersATI = NULL; ////////////////////////// functions //////////////////////////// static bool isExtensionSupported ( const char * ext, const char * extList ) { const char * start = extList; const char * ptr; while ( ( ptr = strstr ( start, ext ) ) != NULL ) { // we've found, ensure name is exactly ext const char * end = ptr + strlen ( ext ); if ( isspace ( *end ) || *end == '\0' ) return true; start = end; } return false; } bool isExtensionSupported ( const char * ext ) { initExtensions (); // since we will need it for platform-specific extensions const char * extensions = (const char *) glGetString ( GL_EXTENSIONS ); if ( isExtensionSupported ( ext, extensions ) ) return true; #ifdef _WIN32 // check Windoze extensions if ( wglGetExtensionsStringARB == NULL ) return false; return isExtensionSupported ( ext, wglGetExtensionsStringARB ( wglGetCurrentDC () ) ); #else // check GLX extensions Display * display = glXGetCurrentDisplay (); int screen = DefaultScreen ( display ); return isExtensionSupported ( ext, glXQueryExtensionsString ( display, screen ) ); #endif } const char * getGeneralExtensions () { initExtensions (); return (const char *) glGetString ( GL_EXTENSIONS ); } const char * getPlatformExtensions () { initExtensions (); // since we will need it for platform-specific extensions #ifdef _WIN32 // check Windoze extensions if ( wglGetExtensionsStringARB == NULL ) return ""; return wglGetExtensionsStringARB ( wglGetCurrentDC () ); #else // check GLX extensions Display * display = glXGetCurrentDisplay (); int screen = DefaultScreen ( display ); return glXQueryExtensionsString ( display, screen ); #endif } void assertExtensionsSupported ( const char * extList ) { char * str = strdup ( extList ); for ( char * ptr = strtok ( str, " ,;\t" ); ptr != NULL; ptr = strtok ( NULL, " ,;\t" ) ) if ( !isExtensionSupported ( ptr ) ) { fprintf ( stderr, "Error - extension %s not supported.\n", ptr ); free ( str ); //exit ( 1 ); } free ( str ); } // // hide platform specific in one place // static void * getProcAddress ( const char * name ) { #ifdef _WIN32 return wglGetProcAddress ( name ); #else return (void *)glXGetProcAddressARB ( (const GLubyte *)name ); #endif } #ifdef _WIN32 bool initWin32Extensions () { wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC) getProcAddress ( "wglGetExtensionsStringARB" ); if ( wglGetExtensionsStringARB == NULL ) return false; const char * exts = wglGetExtensionsStringARB ( wglGetCurrentDC () ); if ( exts == NULL ) return false; if ( strstr ( exts, "WGL_ARB_pbuffer" ) != NULL ) { wglCreatePbufferARB = (PFNWGLCREATEPBUFFERARBPROC) wglGetProcAddress ( "wglCreatePbufferARB" ); wglGetPbufferDCARB = (PFNWGLGETPBUFFERDCARBPROC) wglGetProcAddress ( "wglGetPbufferDCARB" ); wglReleasePbufferDCARB = (PFNWGLRELEASEPBUFFERDCARBPROC) wglGetProcAddress ( "wglReleasePbufferDCARB" ); wglDestroyPbufferARB = (PFNWGLDESTROYPBUFFERARBPROC) wglGetProcAddress ( "wglDestroyPbufferARB" ); wglQueryPbufferARB = (PFNWGLQUERYPBUFFERARBPROC) wglGetProcAddress ( "wglQueryPbufferARB" ); } if ( strstr ( exts, "WGL_ARB_pixel_format" ) != NULL ) wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress ( "wglChoosePixelFormatARB" ); if ( strstr ( exts, "WGL_ARB_render_texture" ) != NULL ) { wglBindTexImageARB = (PFNWGLBINDTEXIMAGEARBPROC) wglGetProcAddress ( "wglBindTexImageARB" ); wglReleaseTexImageARB = (PFNWGLRELEASETEXIMAGEARBPROC) wglGetProcAddress ( "wglReleaseTexImageARB" ); wglSetPbufferAttribARB = (PFNWGLSETPBUFFERATTRIBARBPROC) wglGetProcAddress ( "wglSetPbufferAttribARB" ); } if ( strstr ( exts, "WGL_EXT_swap_control" ) != NULL ) { wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC) wglGetProcAddress ( "wglSwapIntervalEXT" ); wglGetSwapIntervalEXT = (PFNWGLGETSWAPINTERVALEXTPROC) wglGetProcAddress ( "wglGetSwapIntervalEXT" ); } return true; } #else void initLinuxExtensions () { // GLX_SGIX_pbuffer glXCreateGLXPbufferSGIX = (PFNGLXCREATEGLXPBUFFERSGIXPROC) getProcAddress ( "glXCreateGLXPbufferSGIX" ); glXDestroyGLXPbufferSGIX = (PFNGLXDESTROYGLXPBUFFERSGIXPROC) getProcAddress ( "glXDestroyGLXPbufferSGIX" ); glXQueryGLXPbufferSGIX = (PFNGLXQUERYGLXPBUFFERSGIXPROC) getProcAddress ( "glXQueryGLXPbufferSGIX" ); // GLX_SGIX_fbconfig glXChooseFBConfigSGIX = (PFNGLXCHOOSEFBCONFIGSGIXPROC) getProcAddress ( "glXChooseFBConfigSGIX" ); glXCreateContextWithConfigSGIX = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) getProcAddress ( "glXCreateContextWithConfigSGIX" ); } #endif void initExtensions () { static bool initialized = false; // whether initExtensions has already been called if ( initialized ) return; #ifdef _WIN32 glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) getProcAddress ( "glActiveTextureARB" ); glClientActiveTextureARB = (PFNGLCLIENTACTIVETEXTUREARBPROC) getProcAddress ( "glClientActiveTextureARB" ); glMultiTexCoord1f = (PFNGLMULTITEXCOORD1FARBPROC) getProcAddress ( "glMultiTexCoord1fARB" ); glMultiTexCoord1fv = (PFNGLMULTITEXCOORD1FVARBPROC) getProcAddress ( "glMultiTexCoord1fvARB" ); glMultiTexCoord2f = (PFNGLMULTITEXCOORD2FARBPROC) getProcAddress ( "glMultiTexCoord2fARB" ); glMultiTexCoord2fv = (PFNGLMULTITEXCOORD2FVARBPROC) getProcAddress ( "glMultiTexCoord2fvARB" ); glMultiTexCoord3f = (PFNGLMULTITEXCOORD3FARBPROC) getProcAddress ( "glMultiTexCoord3fARB" ); glMultiTexCoord3fv = (PFNGLMULTITEXCOORD3FVARBPROC) getProcAddress ( "glMultiTexCoord3fvARB" ); glMultiTexCoord4f = (PFNGLMULTITEXCOORD4FARBPROC) getProcAddress ( "glMultiTexCoord4fARB" ); glMultiTexCoord4fv = (PFNGLMULTITEXCOORD4FVARBPROC) getProcAddress ( "glMultiTexCoord4fvARB" ); #endif glFogCoordf = (PFNGLFOGCOORDFEXTPROC) getProcAddress ( "glFogCoordfEXT" ); glSecondaryColor3f = (PFNGLSECONDARYCOLOR3FPROC) getProcAddress ( "glSecondaryColor3fEXT" ); glSecondaryColor3fv = (PFNGLSECONDARYCOLOR3FVPROC) getProcAddress ( "glSecondaryColor3fvEXT" ); glSecondaryColorPointer = (PFNGLSECONDARYCOLORPOINTERPROC) getProcAddress ( "glSecondaryColorPointerEXT" ); glCombinerParameterfvNV = (PFNGLCOMBINERPARAMETERFVNVPROC) getProcAddress ( "glCombinerParameterfvNV" ); glCombinerParameterivNV = (PFNGLCOMBINERPARAMETERIVNVPROC) getProcAddress ( "glCombinerParameterivNV" ); glCombinerParameterfNV = (PFNGLCOMBINERPARAMETERFNVPROC) getProcAddress ( "glCombinerParameterfNV" ); glCombinerParameteriNV = (PFNGLCOMBINERPARAMETERINVPROC) getProcAddress ( "glCombinerParameteriNV" ); glCombinerInputNV = (PFNGLCOMBINERINPUTNVPROC) getProcAddress ( "glCombinerInputNV" ); glCombinerOutputNV = (PFNGLCOMBINEROUTPUTNVPROC) getProcAddress ( "glCombinerOutputNV" ); glFinalCombinerInputNV = (PFNGLFINALCOMBINERINPUTNVPROC) getProcAddress ( "glFinalCombinerInputNV" ); glBindBufferARB = (PFNGLBINDBUFFERARBPROC) getProcAddress ( "glBindBufferARB" ); glDeleteBuffersARB = (PFNGLDELETEBUFFERSARBPROC) getProcAddress ( "glDeleteBuffersARB" ); glGenBuffersARB = (PFNGLGENBUFFERSARBPROC) getProcAddress ( "glGenBuffersARB" ); glIsBufferARB = (PFNGLISBUFFERARBPROC) getProcAddress ( "glIsBufferARB" ); glBufferDataARB = (PFNGLBUFFERDATAARBPROC) getProcAddress ( "glBufferDataARB" ); glBufferSubDataARB = (PFNGLBUFFERSUBDATAARBPROC) getProcAddress ( "glBufferSubDataARB" ); glGetBufferSubDataARB = (PFNGLGETBUFFERSUBDATAARBPROC) getProcAddress ( "glGetBufferSubDataARB" ); glMapBufferARB = (PFNGLMAPBUFFERARBPROC) getProcAddress ( "glMapBufferARB" ); glUnmapBufferARB = (PFNGLUNMAPBUFFERARBPROC) getProcAddress ( "glUnmapBufferARB" ); glGetBufferParameterivARB = (PFNGLGETBUFFERPARAMETERIVARBPROC) getProcAddress ( "glGetBufferParameterivARB" ); glGetBufferPointervARB = (PFNGLGETBUFFERPOINTERVARBPROC) getProcAddress ( "glGetBufferPointervARB" ); // NV-occlusion query extension glGenOcclusionQueriesNV = (PFNGLGENOCCLUSIONQUERIESNVPROC) getProcAddress ( "glGenOcclusionQueriesNV" ); glBeginOcclusionQueryNV = (PFNGLBEGINOCCLUSIONQUERYNVPROC) getProcAddress ( "glBeginOcclusionQueryNV" ); glEndOcclusionQueryNV = (PFNGLENDOCCLUSIONQUERYNVPROC) getProcAddress ( "glEndOcclusionQueryNV" ); glGetOcclusionQueryivNV = (PFNGLGETOCCLUSIONQUERYIVNVPROC) getProcAddress ( "glGetOcclusionQueryivNV" ); // ARB_vertex_program extension glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC) getProcAddress ( "glGenProgramsARB" ); glDeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC) getProcAddress ( "glDeleteProgramsARB" ); glBindProgramARB = (PFNGLBINDPROGRAMARBPROC) getProcAddress ( "glBindProgramARB" ); glIsProgramARB = (PFNGLISPROGRAMARBPROC) getProcAddress ( "glIsProgramARB" ); glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC) getProcAddress ( "glProgramStringARB" ); glGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC) getProcAddress ( "glGetProgramivARB" ); glVertexAttrib4fARB = (PFNGLVERTEXATTRIB4FARBPROC) getProcAddress ( "glVertexAttrib4fARB" ); glVertexAttrib4fvARB = (PFNGLVERTEXATTRIB4FVARBPROC) getProcAddress ( "glVertexAttrib4fvARB" ); glVertexAttrib3fARB = (PFNGLVERTEXATTRIB3FARBPROC) getProcAddress ( "glVertexAttrib3fARB" ); glVertexAttrib3fvARB = (PFNGLVERTEXATTRIB3FVARBPROC) getProcAddress ( "glVertexAttrib3fvARB" ); glVertexAttribPointerARB = (PFNGLVERTEXATTRIBPOINTERARBPROC) getProcAddress ( "glVertexAttribPointerARB" ); glEnableVertexAttribArrayARB = (PFNGLENABLEVERTEXATTRIBARRAYARBPROC) getProcAddress ( "glEnableVertexAttribArrayARB" ); glDisableVertexAttribArrayARB = (PFNGLDISABLEVERTEXATTRIBARRAYARBPROC) getProcAddress ( "glDisableVertexAttribArrayARB" ); glProgramLocalParameter4fARB = (PFNGLPROGRAMLOCALPARAMETER4FARBPROC) getProcAddress ( "glProgramLocalParameter4fARB" ); glProgramLocalParameter4fvARB = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) getProcAddress ( "glProgramLocalParameter4fvARB" ); glGetProgramLocalParameterfvARB = (PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC)getProcAddress ( "glGetProgramLocalParameterfvARB" ); glProgramEnvParameter4fARB = (PFNGLPROGRAMENVPARAMETER4FARBPROC) getProcAddress ( "glProgramEnvParameter4fARB" ); glProgramEnvParameter4fvARB = (PFNGLPROGRAMENVPARAMETER4FVARBPROC) getProcAddress ( "glProgramEnvParameter4fvARB" ); glGetProgramEnvParameterfvARB = (PFNGLGETPROGRAMENVPARAMETERFVARBPROC) getProcAddress ( "glGetProgramEnvParameterfvARB" ); // GL_EXT_texture3D glTexImage3DEXT =(PFNGLTEXIMAGE3DEXTPROC) getProcAddress ( "glTexImage3DEXT" ); // ARB_texture_compression glCompressedTexImage3DARB = (PFNGLCOMPRESSEDTEXIMAGE3DARBPROC) getProcAddress ( "glCompressedTexImage3DARB" ); glCompressedTexImage2DARB = (PFNGLCOMPRESSEDTEXIMAGE2DARBPROC) getProcAddress ( "glCompressedTexImage2DARB" ); glCompressedTexImage1DARB = (PFNGLCOMPRESSEDTEXIMAGE1DARBPROC) getProcAddress ( "glCompressedTexImage1DARB" ); glCompressedTexSubImage3DARB = (PFNGLCOMPRESSEDTEXSUBIMAGE3DARBPROC) getProcAddress ( "glCompressedTexSubImage3DARB" ); glCompressedTexSubImage2DARB = (PFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC) getProcAddress ( "glCompressedTexSubImage2DARB" ); glCompressedTexSubImage1DARB = (PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC) getProcAddress ( "glCompressedTexSubImage1DARB" ); glGetCompressedTexImageARB = (PFNGLGETCOMPRESSEDTEXIMAGEARBPROC) getProcAddress ( "glGetCompressedTexImageARB" ); // ARB_point_parameters glPointParameterfARB = (PFNGLPOINTPARAMETERFARBPROC) getProcAddress ( "glPointParameterfARB" ); glPointParameterfvARB = (PFNGLPOINTPARAMETERFVARBPROC) getProcAddress ( "glPointParameterfvARB" ); // ARB_occlusion_query glGenQueriesARB = (PFNGLGENQUERIESARBPROC) getProcAddress ( "glGenQueriesARB" ); glDeleteQueriesARB = (PFNGLDELETEQUERIESARBPROC) getProcAddress ( "glDeleteQueriesARB" ); glIsQueryARB = (PFNGLISQUERYARBPROC) getProcAddress ( "glIsQueryARB" ); glBeginQueryARB = (PFNGLBEGINQUERYARBPROC) getProcAddress ( "glBeginQueryARB" ); glEndQueryARB = (PFNGLENDQUERYARBPROC) getProcAddress ( "glEndQueryARB" ); glGetQueryivARB = (PFNGLGETQUERYIVARBPROC) getProcAddress ( "glGetQueryivARB" ); glGetQueryObjectivARB = (PFNGLGETQUERYOBJECTIVARBPROC) getProcAddress ( "glGetQueryObjectivARB" ); glGetQueryObjectuivARB = (PFNGLGETQUERYOBJECTUIVARBPROC) getProcAddress ( "glGetQueryObjectuivARB" ); // GLSL-specific extensions // GL_ARB_shader_object glDeleteObjectARB = (PFNGLDELETEOBJECTARBPROC) getProcAddress ( "glDeleteObjectARB" ); glGetHandleARB = (PFNGLGETHANDLEARBPROC) getProcAddress ( "glGetHandleARB" ); glDetachObjectARB = (PFNGLDETACHOBJECTARBPROC) getProcAddress ( "glDetachObjectARB" ); glCreateShaderObjectARB = (PFNGLCREATESHADEROBJECTARBPROC) getProcAddress ( "glCreateShaderObjectARB" ); glShaderSourceARB = (PFNGLSHADERSOURCEARBPROC) getProcAddress ( "glShaderSourceARB" ); glCompileShaderARB = (PFNGLCOMPILESHADERARBPROC) getProcAddress ( "glCompileShaderARB" ); glCreateProgramObjectARB = (PFNGLCREATEPROGRAMOBJECTARBPROC) getProcAddress ( "glCreateProgramObjectARB" ); glAttachObjectARB = (PFNGLATTACHOBJECTARBPROC) getProcAddress ( "glAttachObjectARB" ); glLinkProgramARB = (PFNGLLINKPROGRAMARBPROC) getProcAddress ( "glLinkProgramARB" ); glUseProgramObjectARB = (PFNGLUSEPROGRAMOBJECTARBPROC) getProcAddress ( "glUseProgramObjectARB" ); glValidateProgramARB = (PFNGLVALIDATEPROGRAMARBPROC) getProcAddress ( "glValidateProgramARB" ); glUniform1fARB = (PFNGLUNIFORM1FARBPROC) getProcAddress ( "glUniform1fARB" ); glUniform2fARB = (PFNGLUNIFORM2FARBPROC) getProcAddress ( "glUniform2fARB" ); glUniform3fARB = (PFNGLUNIFORM3FARBPROC) getProcAddress ( "glUniform3fARB" ); glUniform4fARB = (PFNGLUNIFORM4FARBPROC) getProcAddress ( "glUniform4fARB" ); glUniform1iARB = (PFNGLUNIFORM1IARBPROC) getProcAddress ( "glUniform1iARB" ); glUniform2iARB = (PFNGLUNIFORM2IARBPROC) getProcAddress ( "glUniform2iARB" ); glUniform3iARB = (PFNGLUNIFORM3IARBPROC) getProcAddress ( "glUniform3iARB" ); glUniform4iARB = (PFNGLUNIFORM4IARBPROC) getProcAddress ( "glUniform4iARB" ); glUniform1fvARB = (PFNGLUNIFORM1FVARBPROC) getProcAddress ( "glUniform1fvARB" ); glUniform2fvARB = (PFNGLUNIFORM2FVARBPROC) getProcAddress ( "glUniform2fvARB" ); glUniform3fvARB = (PFNGLUNIFORM3FVARBPROC) getProcAddress ( "glUniform3fvARB" ); glUniform4fvARB = (PFNGLUNIFORM4FVARBPROC) getProcAddress ( "glUniform4fvARB" ); glUniform1ivARB = (PFNGLUNIFORM1IVARBPROC) getProcAddress ( "glUniform1ivARB" ); glUniform2ivARB = (PFNGLUNIFORM2IVARBPROC) getProcAddress ( "glUniform2ivARB" ); glUniform3ivARB = (PFNGLUNIFORM3IVARBPROC) getProcAddress ( "glUniform3ivARB" ); glUniform4ivARB = (PFNGLUNIFORM4IVARBPROC) getProcAddress ( "glUniform4ivARB" ); glUniformMatrix2fvARB = (PFNGLUNIFORMMATRIX2FVARBPROC) getProcAddress ( "glUniformMatrix2fvARB" ); glUniformMatrix3fvARB = (PFNGLUNIFORMMATRIX3FVARBPROC) getProcAddress ( "glUniformMatrix3fvARB" ); glUniformMatrix4fvARB = (PFNGLUNIFORMMATRIX4FVARBPROC) getProcAddress ( "glUniformMatrix4fvARB" ); glGetObjectParameterfvARB = (PFNGLGETOBJECTPARAMETERFVARBPROC) getProcAddress ( "glGetObjectParameterfvARB" ); glGetObjectParameterivARB = (PFNGLGETOBJECTPARAMETERIVARBPROC) getProcAddress ( "glGetObjectParameterivARB" ); glGetInfoLogARB = (PFNGLGETINFOLOGARBPROC) getProcAddress ( "glGetInfoLogARB" ); glGetAttachedObjectsARB = (PFNGLGETATTACHEDOBJECTSARBPROC) getProcAddress ( "glGetAttachedObjectsARB" ); glGetUniformLocationARB = (PFNGLGETUNIFORMLOCATIONARBPROC) getProcAddress ( "glGetUniformLocationARB" ); glGetActiveUniformARB = (PFNGLGETACTIVEUNIFORMARBPROC) getProcAddress ( "glGetActiveUniformARB" ); glGetUniformfvARB = (PFNGLGETUNIFORMFVARBPROC) getProcAddress ( "glGetUniformfvARB" ); glGetUniformivARB = (PFNGLGETUNIFORMIVARBPROC) getProcAddress ( "glGetUniformivARB" ); glGetShaderSourceARB = (PFNGLGETSHADERSOURCEARBPROC) getProcAddress ( "glGetShaderSourceARB" ); // GL_ARB_vertex_shader glBindAttribLocationARB = (PFNGLBINDATTRIBLOCATIONARBPROC) getProcAddress ( "glBindAttribLocationARB" ); glGetActiveAttribARB = (PFNGLGETACTIVEATTRIBARBPROC) getProcAddress ( "glGetActiveAttribARB" ); glGetAttribLocationARB = (PFNGLGETATTRIBLOCATIONARBPROC) getProcAddress ( "glGetAttribLocationARB" ); glGetVertexAttribfvARB = (PFNGLGETVERTEXATTRIBFVARBPROC) getProcAddress ( "glGetVertexAttribfvARB" ); // EXT_stencil_two_side glActiveStencilFaceEXT = (PFNGLACTIVESTENCILFACEEXTPROC) getProcAddress ( "glActiveStencilFaceEXT" ); // EXT_depth_bounds_test glDepthBoundsEXT = (PFNGLDEPTHBOUNDSEXTPROC) getProcAddress ( "glDepthBoundsEXT" ); // EXT_framebuffer_object glIsRenderbufferEXT = (PFNGLISRENDERBUFFEREXTPROC ) getProcAddress ( "glIsRenderbufferEXT" ); glBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC ) getProcAddress ( "glBindRenderbufferEXT" ); glDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC ) getProcAddress ( "glDeleteRenderbuffersEXT" ); glGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC ) getProcAddress ( "glGenRenderbuffersEXT" ); glRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC ) getProcAddress ( "glRenderbufferStorageEXT" ); glGetRenderbufferParameterivEXT = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC ) getProcAddress ( "glGetRenderbufferParameterivEXT" ); glIsFramebufferEXT = (PFNGLISFRAMEBUFFEREXTPROC ) getProcAddress ( "glIsFramebufferEXT" ); glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC ) getProcAddress ( "glBindFramebufferEXT" ); glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC ) getProcAddress ( "glDeleteFramebuffersEXT" ); glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC ) getProcAddress ( "glGenFramebuffersEXT" ); glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC ) getProcAddress ( "glCheckFramebufferStatusEXT" ); glFramebufferTexture1DEXT = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC ) getProcAddress ( "glFramebufferTexture1DEXT" ); glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC ) getProcAddress ( "glFramebufferTexture2DEXT" ); glFramebufferTexture3DEXT = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC ) getProcAddress ( "glFramebufferTexture3DEXT" ); glFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC ) getProcAddress ( "glFramebufferRenderbufferEXT" ); glGetFramebufferAttachmentParameterivEXT = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) getProcAddress ( "glGetFramebufferAttachmentParameterivEXT" ); glGenerateMipmapEXT = (PFNGLGENERATEMIPMAPEXTPROC ) getProcAddress ( "glGenerateMipmapEXT" ); #ifndef GL_VERSION_1_3 // ARB_transpose matrix glLoadTransposeMatrixfARB = (PFNGLLOADTRANSPOSEMATRIXFPROC ) getProcAddress ( "glLoadTransposeMatrixfARB" ); glLoadTransposeMatrixdARB = (PFNGLLOADTRANSPOSEMATRIXDPROC ) getProcAddress ( "glLoadTransposeMatrixdARB" ); glMultTransposeMatrixfARB = (PFNGLMULTTRANSPOSEMATRIXFPROC ) getProcAddress ( "glMultTransposeMatrixfARB" ); glMultTransposeMatrixdARB = (PFNGLMULTTRANSPOSEMATRIXDPROC ) getProcAddress ( "glMultTransposeMatrixdARB" ); #endif // ARB_color_buffer_float glClampColorARB = (PFNGLCLAMPCOLORARBPROC) getProcAddress ( "glClampColorARB" ); #ifdef _WIN32 // fresh Linux already has 2.0 // stencil ops from OpenGL 2.0 glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC) getProcAddress ( "glStencilFuncSeparate" ); glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC) getProcAddress ( "glStencilOpSeparate" ); glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC) getProcAddress ( "glStencilMaskSeparate" ); // blend ops from OPenGL 2.0 glBlendEquation = (PFNGLBLENDEQUATIONPROC) getProcAddress ( "glBlendEquation" ); glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC) getProcAddress ( "glBlendEquationSeparate" ); glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC) getProcAddress ( "glBlendFuncSeparate" ); glBlendColor = (PFNGLBLENDCOLORPROC) getProcAddress ( "glBlendColor" ); #endif // draw buffers from OpenGL 2.0 glDrawBuffers = (PFNGLDRAWBUFFERSPROC) getProcAddress ( "glDrawBuffers" ); // ATI_draw_buffers glDrawBuffersATI = (PFNGLDRAWBUFFERSATIPROC) getProcAddress ( "glDrawBuffersATI" ); #ifdef _WIN32 initWin32Extensions (); #else initLinuxExtensions (); #endif initialized = true; } void printfInfo () // print info about card, driver, version & etc { const char * vendor = (const char *)glGetString ( GL_VENDOR ); const char * renderer = (const char *)glGetString ( GL_RENDERER ); const char * version = (const char *)glGetString ( GL_VERSION ); printf ( "Graphics card and driver information:\n" ); printf ( "Vendor: %s\nRenderer: %s\nVersion: %s\n", vendor, renderer, version ); if ( isExtensionSupported ( "GL_ARB_multitexture" ) ) { int maxTextureUnits; glGetIntegerv ( GL_MAX_TEXTURE_UNITS_ARB, &maxTextureUnits ); printf ( "ARB_multitexture supported.\nMax texture units %d.\n", maxTextureUnits ); } if ( isExtensionSupported ( "GL_NV_register_combiners" ) ) { int maxCombiners; glGetIntegerv ( GL_MAX_GENERAL_COMBINERS_NV, &maxCombiners ); printf ( "NV_register_combiners supported.\nMax general combiners %d.\n", maxCombiners ); } if ( isExtensionSupported ( "GL_ARB_vertex_buffer_object" ) ) printf ( "VBO supported.\n" ); if ( isExtensionSupported ( "GL_NV_occlusion_query" ) ) printf ( "NV_occlusion_query extension supported.\n" ); if ( isExtensionSupported ( "GL_SGIS_generate_mipmap" ) ) printf ( "GL_SGIS_generate_mipmap extension supported.\n" ); if ( isExtensionSupported ( "GL_ARB_vertex_program" ) ) printf ( "GL_ARB_vertex_program extension supported.\n" ); }