+#ifndef GL_EXT_texture_sRGB_decode
+#define GL_EXT_texture_sRGB_decode 1
+#endif
+
+#ifndef GL_NV_texture_multisample
+#define GL_NV_texture_multisample 1
+#ifdef GL_GLEXT_PROTOTYPES
+GLAPI void APIENTRY glTexImage2DMultisampleCoverageNV (GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+GLAPI void APIENTRY glTexImage3DMultisampleCoverageNV (GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+GLAPI void APIENTRY glTextureImage2DMultisampleNV (GLuint texture, GLenum target, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+GLAPI void APIENTRY glTextureImage3DMultisampleNV (GLuint texture, GLenum target, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+GLAPI void APIENTRY glTextureImage2DMultisampleCoverageNV (GLuint texture, GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+GLAPI void APIENTRY glTextureImage3DMultisampleCoverageNV (GLuint texture, GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (APIENTRYP PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROC) (GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+typedef void (APIENTRYP PFNGLTEXIMAGE3DMULTISAMPLECOVERAGENVPROC) (GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+typedef void (APIENTRYP PFNGLTEXTUREIMAGE2DMULTISAMPLENVPROC) (GLuint texture, GLenum target, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+typedef void (APIENTRYP PFNGLTEXTUREIMAGE3DMULTISAMPLENVPROC) (GLuint texture, GLenum target, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+typedef void (APIENTRYP PFNGLTEXTUREIMAGE2DMULTISAMPLECOVERAGENVPROC) (GLuint texture, GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+typedef void (APIENTRYP PFNGLTEXTUREIMAGE3DMULTISAMPLECOVERAGENVPROC) (GLuint texture, GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+#endif
+
+#ifndef GL_AMD_blend_minmax_factor
+#define GL_AMD_blend_minmax_factor 1
+#endif
+
+#ifndef GL_AMD_sample_positions
+#define GL_AMD_sample_positions 1
+#ifdef GL_GLEXT_PROTOTYPES
+GLAPI void APIENTRY glSetMultisamplefvAMD (GLenum pname, GLuint index, const GLfloat *val);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (APIENTRYP PFNGLSETMULTISAMPLEFVAMDPROC) (GLenum pname, GLuint index, const GLfloat *val);
+#endif
+
+#ifndef GL_EXT_x11_sync_object
+#define GL_EXT_x11_sync_object 1
+#ifdef GL_GLEXT_PROTOTYPES
+GLAPI GLsync APIENTRY glImportSyncEXT (GLenum external_sync_type, GLintptr external_sync, GLbitfield flags);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef GLsync (APIENTRYP PFNGLIMPORTSYNCEXTPROC) (GLenum external_sync_type, GLintptr external_sync, GLbitfield flags);
+#endif
+
+#ifndef GL_AMD_multi_draw_indirect
+#define GL_AMD_multi_draw_indirect 1
+#ifdef GL_GLEXT_PROTOTYPES
+GLAPI void APIENTRY glMultiDrawArraysIndirectAMD (GLenum mode, const GLvoid *indirect, GLsizei primcount, GLsizei stride);
+GLAPI void APIENTRY glMultiDrawElementsIndirectAMD (GLenum mode, GLenum type, const GLvoid *indirect, GLsizei primcount, GLsizei stride);
+#endif /* GL_GLEXT_PROTOTYPES */
+typedef void (APIENTRYP PFNGLMULTIDRAWARRAYSINDIRECTAMDPROC) (GLenum mode, const GLvoid *indirect, GLsizei primcount, GLsizei stride);
+typedef void (APIENTRYP PFNGLMULTIDRAWELEMENTSINDIRECTAMDPROC) (GLenum mode, GLenum type, const GLvoid *indirect, GLsizei primcount, GLsizei stride);
+#endif
+