xenocara/dist/Mesa/progs/util/extfuncs.h

278 lines
20 KiB
C

/**
* Utility for getting OpenGL extension function pointers
* Meant to be #included.
*/
/* OpenGL 2.0 */
static PFNGLATTACHSHADERPROC glAttachShader_func = NULL;
static PFNGLBINDATTRIBLOCATIONPROC glBindAttribLocation_func = NULL;
static PFNGLCOMPILESHADERPROC glCompileShader_func = NULL;
static PFNGLCREATEPROGRAMPROC glCreateProgram_func = NULL;
static PFNGLCREATESHADERPROC glCreateShader_func = NULL;
static PFNGLDELETEPROGRAMPROC glDeleteProgram_func = NULL;
static PFNGLDELETESHADERPROC glDeleteShader_func = NULL;
static PFNGLGETACTIVEATTRIBPROC glGetActiveAttrib_func = NULL;
static PFNGLGETACTIVEUNIFORMPROC glGetActiveUniform_func = NULL;
static PFNGLGETATTACHEDSHADERSPROC glGetAttachedShaders_func = NULL;
static PFNGLGETATTRIBLOCATIONPROC glGetAttribLocation_func = NULL;
static PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog_func = NULL;
static PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog_func = NULL;
static PFNGLGETSHADERIVPROC glGetShaderiv_func = NULL;
static PFNGLGETPROGRAMIVPROC glGetProgramiv_func = NULL;
static PFNGLGETSHADERSOURCEPROC glGetShaderSource_func = NULL;
static PFNGLGETUNIFORMFVPROC glGetUniformfv_func = NULL;
static PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation_func = NULL;
static PFNGLISPROGRAMPROC glIsProgram_func = NULL;
static PFNGLISSHADERPROC glIsShader_func = NULL;
static PFNGLLINKPROGRAMPROC glLinkProgram_func = NULL;
static PFNGLSHADERSOURCEPROC glShaderSource_func = NULL;
static PFNGLUNIFORM1IPROC glUniform1i_func = NULL;
static PFNGLUNIFORM2IPROC glUniform2i_func = NULL;
static PFNGLUNIFORM3IPROC glUniform3i_func = NULL;
static PFNGLUNIFORM4IPROC glUniform4i_func = NULL;
static PFNGLUNIFORM1FPROC glUniform1f_func = NULL;
static PFNGLUNIFORM2FPROC glUniform2f_func = NULL;
static PFNGLUNIFORM3FPROC glUniform3f_func = NULL;
static PFNGLUNIFORM4FPROC glUniform4f_func = NULL;
static PFNGLUNIFORM1FVPROC glUniform1fv_func = NULL;
static PFNGLUNIFORM2FVPROC glUniform2fv_func = NULL;
static PFNGLUNIFORM3FVPROC glUniform3fv_func = NULL;
static PFNGLUNIFORM4FVPROC glUniform4fv_func = NULL;
static PFNGLUNIFORMMATRIX2FVPROC glUniformMatrix2fv_func = NULL;
static PFNGLUNIFORMMATRIX3FVPROC glUniformMatrix3fv_func = NULL;
static PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv_func = NULL;
static PFNGLUSEPROGRAMPROC glUseProgram_func = NULL;
static PFNGLVERTEXATTRIB1FPROC glVertexAttrib1f_func = NULL;
static PFNGLVERTEXATTRIB2FPROC glVertexAttrib2f_func = NULL;
static PFNGLVERTEXATTRIB3FPROC glVertexAttrib3f_func = NULL;
static PFNGLVERTEXATTRIB4FPROC glVertexAttrib4f_func = NULL;
static PFNGLVERTEXATTRIB1FVPROC glVertexAttrib1fv_func = NULL;
static PFNGLVERTEXATTRIB2FVPROC glVertexAttrib2fv_func = NULL;
static PFNGLVERTEXATTRIB3FVPROC glVertexAttrib3fv_func = NULL;
static PFNGLVERTEXATTRIB4FVPROC glVertexAttrib4fv_func = NULL;
static PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer_func = NULL;
static PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray_func = NULL;
static PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray_func = NULL;
/* OpenGL 2.1 */
static PFNGLUNIFORMMATRIX2X3FVPROC glUniformMatrix2x3fv_func = NULL;
static PFNGLUNIFORMMATRIX3X2FVPROC glUniformMatrix3x2fv_func = NULL;
static PFNGLUNIFORMMATRIX2X4FVPROC glUniformMatrix2x4fv_func = NULL;
static PFNGLUNIFORMMATRIX4X2FVPROC glUniformMatrix4x2fv_func = NULL;
static PFNGLUNIFORMMATRIX3X4FVPROC glUniformMatrix3x4fv_func = NULL;
static PFNGLUNIFORMMATRIX4X3FVPROC glUniformMatrix4x3fv_func = NULL;
/* OpenGL 1.4 */
static PFNGLPOINTPARAMETERFVPROC glPointParameterfv_func = NULL;
static PFNGLSECONDARYCOLOR3FVPROC glSecondaryColor3fv_func = NULL;
/* GL_ARB_vertex/fragment_program */
static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func = NULL;
static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func = NULL;
static PFNGLGENPROGRAMSARBPROC glGenProgramsARB_func = NULL;
static PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC glGetProgramLocalParameterdvARB_func = NULL;
static PFNGLISPROGRAMARBPROC glIsProgramARB_func = NULL;
static PFNGLPROGRAMLOCALPARAMETER4DARBPROC glProgramLocalParameter4dARB_func = NULL;
static PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB_func = NULL;
static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB_func = NULL;
static PFNGLVERTEXATTRIB1FARBPROC glVertexAttrib1fARB_func = NULL;
/* GL_APPLE_vertex_array_object */
static PFNGLBINDVERTEXARRAYAPPLEPROC glBindVertexArrayAPPLE_func = NULL;
static PFNGLDELETEVERTEXARRAYSAPPLEPROC glDeleteVertexArraysAPPLE_func = NULL;
static PFNGLGENVERTEXARRAYSAPPLEPROC glGenVertexArraysAPPLE_func = NULL;
static PFNGLISVERTEXARRAYAPPLEPROC glIsVertexArrayAPPLE_func = NULL;
/* GL_EXT_stencil_two_side */
static PFNGLACTIVESTENCILFACEEXTPROC glActiveStencilFaceEXT_func = NULL;
/* GL_ARB_buffer_object */
static PFNGLGENBUFFERSARBPROC glGenBuffersARB_func = NULL;
static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB_func = NULL;
static PFNGLBINDBUFFERARBPROC glBindBufferARB_func = NULL;
static PFNGLBUFFERDATAARBPROC glBufferDataARB_func = NULL;
static PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB_func = NULL;
static PFNGLMAPBUFFERARBPROC glMapBufferARB_func = NULL;
static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB_func = NULL;
/* GL_EXT_framebuffer_object */
static PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT_func = NULL;
static PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT_func = NULL;
static PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT_func = NULL;
static PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT_func = NULL;
static PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT_func = NULL;
static PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT_func = NULL;
static PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT_func = NULL;
static PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT_func = NULL;
static PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT_func = NULL;
static PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT_func = NULL;
static PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT_func = NULL;
static PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT_func = NULL;
static PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT_func = NULL;
static PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT_func = NULL;
static PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT_func = NULL;
static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT_func = NULL;
static PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT_func = NULL;
/* GL_ARB_framebuffer_object */
static PFNGLISRENDERBUFFERPROC glIsRenderbuffer_func = NULL;
static PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer_func = NULL;
static PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers_func = NULL;
static PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers_func = NULL;
static PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage_func = NULL;
static PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv_func = NULL;
static PFNGLISFRAMEBUFFERPROC glIsFramebuffer_func = NULL;
static PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer_func = NULL;
static PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers_func = NULL;
static PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers_func = NULL;
static PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus_func = NULL;
static PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D_func = NULL;
static PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D_func = NULL;
static PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D_func = NULL;
static PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer_func = NULL;
static PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv_func = NULL;
static PFNGLGENERATEMIPMAPPROC glGenerateMipmap_func = NULL;
static PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer_func = NULL;
static PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample_func = NULL;
static PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer_func = NULL;
static void
GetExtensionFuncs(void)
{
/* OpenGL 2.0 */
glAttachShader_func = (PFNGLATTACHSHADERPROC) glutGetProcAddress("glAttachShader");
glBindAttribLocation_func = (PFNGLBINDATTRIBLOCATIONPROC) glutGetProcAddress("glBindAttribLocation");
glCompileShader_func = (PFNGLCOMPILESHADERPROC) glutGetProcAddress("glCompileShader");
glCreateProgram_func = (PFNGLCREATEPROGRAMPROC) glutGetProcAddress("glCreateProgram");
glCreateShader_func = (PFNGLCREATESHADERPROC) glutGetProcAddress("glCreateShader");
glDeleteProgram_func = (PFNGLDELETEPROGRAMPROC) glutGetProcAddress("glDeleteProgram");
glDeleteShader_func = (PFNGLDELETESHADERPROC) glutGetProcAddress("glDeleteShader");
glGetActiveAttrib_func = (PFNGLGETACTIVEATTRIBPROC) glutGetProcAddress("glGetActiveAttrib");
glGetActiveUniform_func = (PFNGLGETACTIVEUNIFORMPROC) glutGetProcAddress("glGetActiveUniform");
glGetAttachedShaders_func = (PFNGLGETATTACHEDSHADERSPROC) glutGetProcAddress("glGetAttachedShaders");
glGetAttribLocation_func = (PFNGLGETATTRIBLOCATIONPROC) glutGetProcAddress("glGetAttribLocation");
glGetProgramInfoLog_func = (PFNGLGETPROGRAMINFOLOGPROC) glutGetProcAddress("glGetProgramInfoLog");
glGetShaderInfoLog_func = (PFNGLGETSHADERINFOLOGPROC) glutGetProcAddress("glGetShaderInfoLog");
glGetProgramiv_func = (PFNGLGETPROGRAMIVPROC) glutGetProcAddress("glGetProgramiv");
glGetShaderiv_func = (PFNGLGETSHADERIVPROC) glutGetProcAddress("glGetShaderiv");
glGetShaderSource_func = (PFNGLGETSHADERSOURCEPROC) glutGetProcAddress("glGetShaderSource");
glGetUniformLocation_func = (PFNGLGETUNIFORMLOCATIONPROC) glutGetProcAddress("glGetUniformLocation");
glGetUniformfv_func = (PFNGLGETUNIFORMFVPROC) glutGetProcAddress("glGetUniformfv");
glIsProgram_func = (PFNGLISPROGRAMPROC) glutGetProcAddress("glIsProgram");
glIsShader_func = (PFNGLISSHADERPROC) glutGetProcAddress("glIsShader");
glLinkProgram_func = (PFNGLLINKPROGRAMPROC) glutGetProcAddress("glLinkProgram");
glShaderSource_func = (PFNGLSHADERSOURCEPROC) glutGetProcAddress("glShaderSource");
glUniform1i_func = (PFNGLUNIFORM1IPROC) glutGetProcAddress("glUniform1i");
glUniform2i_func = (PFNGLUNIFORM2IPROC) glutGetProcAddress("glUniform2i");
glUniform3i_func = (PFNGLUNIFORM3IPROC) glutGetProcAddress("glUniform3i");
glUniform4i_func = (PFNGLUNIFORM4IPROC) glutGetProcAddress("glUniform3i");
glUniform1f_func = (PFNGLUNIFORM1FPROC) glutGetProcAddress("glUniform1f");
glUniform2f_func = (PFNGLUNIFORM2FPROC) glutGetProcAddress("glUniform2f");
glUniform3f_func = (PFNGLUNIFORM3FPROC) glutGetProcAddress("glUniform3f");
glUniform4f_func = (PFNGLUNIFORM4FPROC) glutGetProcAddress("glUniform4f");
glUniform1fv_func = (PFNGLUNIFORM1FVPROC) glutGetProcAddress("glUniform1fv");
glUniform2fv_func = (PFNGLUNIFORM2FVPROC) glutGetProcAddress("glUniform2fv");
glUniform3fv_func = (PFNGLUNIFORM3FVPROC) glutGetProcAddress("glUniform3fv");
glUniform4fv_func = (PFNGLUNIFORM3FVPROC) glutGetProcAddress("glUniform4fv");
glUniformMatrix2fv_func = (PFNGLUNIFORMMATRIX2FVPROC) glutGetProcAddress("glUniformMatrix2fv");
glUniformMatrix3fv_func = (PFNGLUNIFORMMATRIX3FVPROC) glutGetProcAddress("glUniformMatrix3fv");
glUniformMatrix4fv_func = (PFNGLUNIFORMMATRIX4FVPROC) glutGetProcAddress("glUniformMatrix4fv");
glUseProgram_func = (PFNGLUSEPROGRAMPROC) glutGetProcAddress("glUseProgram");
glVertexAttrib1f_func = (PFNGLVERTEXATTRIB1FPROC) glutGetProcAddress("glVertexAttrib1f");
glVertexAttrib2f_func = (PFNGLVERTEXATTRIB2FPROC) glutGetProcAddress("glVertexAttrib2f");
glVertexAttrib3f_func = (PFNGLVERTEXATTRIB3FPROC) glutGetProcAddress("glVertexAttrib3f");
glVertexAttrib4f_func = (PFNGLVERTEXATTRIB4FPROC) glutGetProcAddress("glVertexAttrib4f");
glVertexAttrib1fv_func = (PFNGLVERTEXATTRIB1FVPROC) glutGetProcAddress("glVertexAttrib1fv");
glVertexAttrib2fv_func = (PFNGLVERTEXATTRIB2FVPROC) glutGetProcAddress("glVertexAttrib2fv");
glVertexAttrib3fv_func = (PFNGLVERTEXATTRIB3FVPROC) glutGetProcAddress("glVertexAttrib3fv");
glVertexAttrib4fv_func = (PFNGLVERTEXATTRIB4FVPROC) glutGetProcAddress("glVertexAttrib4fv");
glVertexAttribPointer_func = (PFNGLVERTEXATTRIBPOINTERPROC) glutGetProcAddress("glVertexAttribPointer");
glEnableVertexAttribArray_func = (PFNGLENABLEVERTEXATTRIBARRAYPROC) glutGetProcAddress("glEnableVertexAttribArray");
glDisableVertexAttribArray_func = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) glutGetProcAddress("glDisableVertexAttribArray");
/* OpenGL 2.1 */
glUniformMatrix2x3fv_func = (PFNGLUNIFORMMATRIX2X3FVPROC) glutGetProcAddress("glUniformMatrix2x3fv");
glUniformMatrix3x2fv_func = (PFNGLUNIFORMMATRIX3X2FVPROC) glutGetProcAddress("glUniformMatrix3x2fv");
glUniformMatrix2x4fv_func = (PFNGLUNIFORMMATRIX2X4FVPROC) glutGetProcAddress("glUniformMatrix2x4fv");
glUniformMatrix4x2fv_func = (PFNGLUNIFORMMATRIX4X2FVPROC) glutGetProcAddress("glUniformMatrix4x2fv");
glUniformMatrix3x4fv_func = (PFNGLUNIFORMMATRIX3X4FVPROC) glutGetProcAddress("glUniformMatrix3x4fv");
glUniformMatrix4x3fv_func = (PFNGLUNIFORMMATRIX4X3FVPROC) glutGetProcAddress("glUniformMatrix4x3fv");
/* OpenGL 1.4 */
glPointParameterfv_func = (PFNGLPOINTPARAMETERFVPROC) glutGetProcAddress("glPointParameterfv");
glSecondaryColor3fv_func = (PFNGLSECONDARYCOLOR3FVPROC) glutGetProcAddress("glSecondaryColor3fv");
/* GL_ARB_vertex/fragment_program */
glBindProgramARB_func = (PFNGLBINDPROGRAMARBPROC) glutGetProcAddress("glBindProgramARB");
glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB");
glGenProgramsARB_func = (PFNGLGENPROGRAMSARBPROC) glutGetProcAddress("glGenProgramsARB");
glGetProgramLocalParameterdvARB_func = (PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) glutGetProcAddress("glGetProgramLocalParameterdvARB");
glIsProgramARB_func = (PFNGLISPROGRAMARBPROC) glutGetProcAddress("glIsProgramARB");
glProgramLocalParameter4dARB_func = (PFNGLPROGRAMLOCALPARAMETER4DARBPROC) glutGetProcAddress("glProgramLocalParameter4dARB");
glProgramLocalParameter4fvARB_func = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) glutGetProcAddress("glProgramLocalParameter4fvARB");
glProgramStringARB_func = (PFNGLPROGRAMSTRINGARBPROC) glutGetProcAddress("glProgramStringARB");
glVertexAttrib1fARB_func = (PFNGLVERTEXATTRIB1FARBPROC) glutGetProcAddress("glVertexAttrib1fARB");
/* GL_APPLE_vertex_array_object */
glBindVertexArrayAPPLE_func = (PFNGLBINDVERTEXARRAYAPPLEPROC) glutGetProcAddress("glBindVertexArrayAPPLE");
glDeleteVertexArraysAPPLE_func = (PFNGLDELETEVERTEXARRAYSAPPLEPROC) glutGetProcAddress("glDeleteVertexArraysAPPLE");
glGenVertexArraysAPPLE_func = (PFNGLGENVERTEXARRAYSAPPLEPROC) glutGetProcAddress("glGenVertexArraysAPPLE");
glIsVertexArrayAPPLE_func = (PFNGLISVERTEXARRAYAPPLEPROC) glutGetProcAddress("glIsVertexArrayAPPLE");
/* GL_EXT_stencil_two_side */
glActiveStencilFaceEXT_func = (PFNGLACTIVESTENCILFACEEXTPROC) glutGetProcAddress("glActiveStencilFaceEXT");
/* GL_ARB_vertex_buffer_object */
glGenBuffersARB_func = (PFNGLGENBUFFERSARBPROC) glutGetProcAddress("glGenBuffersARB");
glDeleteBuffersARB_func = (PFNGLDELETEBUFFERSARBPROC) glutGetProcAddress("glDeleteBuffersARB");
glBindBufferARB_func = (PFNGLBINDBUFFERARBPROC) glutGetProcAddress("glBindBufferARB");
glBufferDataARB_func = (PFNGLBUFFERDATAARBPROC) glutGetProcAddress("glBufferDataARB");
glBufferSubDataARB_func = (PFNGLBUFFERSUBDATAARBPROC) glutGetProcAddress("glBufferSubDataARB");
glMapBufferARB_func = (PFNGLMAPBUFFERARBPROC) glutGetProcAddress("glMapBufferARB");
glUnmapBufferARB_func = (PFNGLUNMAPBUFFERARBPROC) glutGetProcAddress("glUnmapBufferARB");
/* GL_EXT_framebuffer_object */
glIsRenderbufferEXT_func = (PFNGLISRENDERBUFFEREXTPROC) glutGetProcAddress("glIsRenderbufferEXT");
glBindRenderbufferEXT_func = (PFNGLBINDRENDERBUFFEREXTPROC) glutGetProcAddress("glBindRenderbufferEXT");
glDeleteRenderbuffersEXT_func = (PFNGLDELETERENDERBUFFERSEXTPROC) glutGetProcAddress("glDeleteRenderbuffersEXT");
glGenRenderbuffersEXT_func = (PFNGLGENRENDERBUFFERSEXTPROC) glutGetProcAddress("glGenRenderbuffersEXT");
glRenderbufferStorageEXT_func = (PFNGLRENDERBUFFERSTORAGEEXTPROC) glutGetProcAddress("glRenderbufferStorageEXT");
glGetRenderbufferParameterivEXT_func = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) glutGetProcAddress("glGetRenderbufferParameterivEXT");
glIsFramebufferEXT_func = (PFNGLISFRAMEBUFFEREXTPROC) glutGetProcAddress("glIsFramebufferEXT");
glBindFramebufferEXT_func = (PFNGLBINDFRAMEBUFFEREXTPROC) glutGetProcAddress("glBindFramebufferEXT");
glDeleteFramebuffersEXT_func = (PFNGLDELETEFRAMEBUFFERSEXTPROC) glutGetProcAddress("glDeleteFramebuffersEXT");
glGenFramebuffersEXT_func = (PFNGLGENFRAMEBUFFERSEXTPROC) glutGetProcAddress("glGenFramebuffersEXT");
glCheckFramebufferStatusEXT_func = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) glutGetProcAddress("glCheckFramebufferStatusEXT");
glFramebufferTexture1DEXT_func = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) glutGetProcAddress("glFramebufferTexture1DEXT");
glFramebufferTexture2DEXT_func = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) glutGetProcAddress("glFramebufferTexture2DEXT");
glFramebufferTexture3DEXT_func = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) glutGetProcAddress("glFramebufferTexture3DEXT");
glFramebufferRenderbufferEXT_func = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) glutGetProcAddress("glFramebufferRenderbufferEXT");
glGetFramebufferAttachmentParameterivEXT_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) glutGetProcAddress("glGetFramebufferAttachmentParameterivEXT");
glGenerateMipmapEXT_func = (PFNGLGENERATEMIPMAPEXTPROC) glutGetProcAddress("glGenerateMipmapEXT");
/* GL_ARB_framebuffer_object */
glIsRenderbuffer_func = (PFNGLISRENDERBUFFERPROC) glutGetProcAddress("glIsRenderbuffer");
glBindRenderbuffer_func = (PFNGLBINDRENDERBUFFERPROC) glutGetProcAddress("glBindRenderbuffer");
glDeleteRenderbuffers_func = (PFNGLDELETERENDERBUFFERSPROC) glutGetProcAddress("glDeleteRenderbuffers");
glGenRenderbuffers_func = (PFNGLGENRENDERBUFFERSPROC) glutGetProcAddress("glGenRenderbuffers");
glRenderbufferStorage_func = (PFNGLRENDERBUFFERSTORAGEPROC) glutGetProcAddress("glRenderbufferStorage");
glGetRenderbufferParameteriv_func = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) glutGetProcAddress("glGetRenderbufferParameteriv");
glIsFramebuffer_func = (PFNGLISFRAMEBUFFERPROC) glutGetProcAddress("glIsFramebuffer");
glBindFramebuffer_func = (PFNGLBINDFRAMEBUFFERPROC) glutGetProcAddress("glBindFramebuffer");
glDeleteFramebuffers_func = (PFNGLDELETEFRAMEBUFFERSPROC) glutGetProcAddress("glDeleteFramebuffers");
glGenFramebuffers_func = (PFNGLGENFRAMEBUFFERSPROC) glutGetProcAddress("glGenFramebuffers");
glCheckFramebufferStatus_func = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) glutGetProcAddress("glCheckFramebufferStatus");
glFramebufferTexture1D_func = (PFNGLFRAMEBUFFERTEXTURE1DPROC) glutGetProcAddress("glFramebufferTexture1D");
glFramebufferTexture2D_func = (PFNGLFRAMEBUFFERTEXTURE2DPROC) glutGetProcAddress("glFramebufferTexture2D");
glFramebufferTexture3D_func = (PFNGLFRAMEBUFFERTEXTURE3DPROC) glutGetProcAddress("glFramebufferTexture3D");
glFramebufferRenderbuffer_func = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) glutGetProcAddress("glFramebufferRenderbuffer");
glGetFramebufferAttachmentParameteriv_func = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) glutGetProcAddress("glGetFramebufferAttachmentParameteriv");
glGenerateMipmap_func = (PFNGLGENERATEMIPMAPPROC) glutGetProcAddress("glGenerateMipmap");
glBlitFramebuffer_func = (PFNGLBLITFRAMEBUFFERPROC) glutGetProcAddress("glBlitFramebuffer");
glRenderbufferStorageMultisample_func = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) glutGetProcAddress("glRenderbufferStorageMultisample");
glFramebufferTextureLayer_func = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) glutGetProcAddress("glFramebufferTextureLayer");
}