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https://github.com/nigels-com/glew.git
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7c046e2307
Allow for tools to extract the GLEW version from glew.h directly. No functional change for C API. See: https://github.com/nigels-com/glew/pull/33/files
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/* ------------------------------------------------------------------------- */
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/* error codes */
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#define GLEW_OK 0
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#define GLEW_NO_ERROR 0
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#define GLEW_ERROR_NO_GL_VERSION 1 /* missing GL version */
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#define GLEW_ERROR_GL_VERSION_10_ONLY 2 /* Need at least OpenGL 1.1 */
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#define GLEW_ERROR_GLX_VERSION_11_ONLY 3 /* Need at least GLX 1.2 */
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/* string codes */
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#define GLEW_VERSION 1
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#define GLEW_VERSION_MAJOR 2
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#define GLEW_VERSION_MINOR 3
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#define GLEW_VERSION_MICRO 4
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/* ------------------------------------------------------------------------- */
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/* GLEW version info */
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/*
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VERSION GLEW_VERSION_STRING
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VERSION_MAJOR GLEW_VERSION_MAJOR_STRING
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VERSION_MINOR GLEW_VERSION_MINOR_STRING
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VERSION_MICRO GLEW_VERSION_MICRO_STRING
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*/
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/* API */
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#ifdef GLEW_MX
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typedef struct GLEWContextStruct GLEWContext;
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GLEWAPI GLenum GLEWAPIENTRY glewContextInit (GLEWContext *ctx);
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GLEWAPI GLboolean GLEWAPIENTRY glewContextIsSupported (const GLEWContext *ctx, const char *name);
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#define glewInit() glewContextInit(glewGetContext())
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#define glewIsSupported(x) glewContextIsSupported(glewGetContext(), x)
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#define glewIsExtensionSupported(x) glewIsSupported(x)
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#define GLEW_GET_VAR(x) (*(const GLboolean*)&(glewGetContext()->x))
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#ifdef _WIN32
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# define GLEW_GET_FUN(x) glewGetContext()->x
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#else
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# define GLEW_GET_FUN(x) x
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#endif
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#else /* GLEW_MX */
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GLEWAPI GLenum GLEWAPIENTRY glewInit (void);
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GLEWAPI GLboolean GLEWAPIENTRY glewIsSupported (const char *name);
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#define glewIsExtensionSupported(x) glewIsSupported(x)
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#define GLEW_GET_VAR(x) (*(const GLboolean*)&x)
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#define GLEW_GET_FUN(x) x
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#endif /* GLEW_MX */
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GLEWAPI GLboolean glewExperimental;
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GLEWAPI GLboolean GLEWAPIENTRY glewGetExtension (const char *name);
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GLEWAPI const GLubyte * GLEWAPIENTRY glewGetErrorString (GLenum error);
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GLEWAPI const GLubyte * GLEWAPIENTRY glewGetString (GLenum name);
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#ifdef __cplusplus
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}
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#endif
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#ifdef GLEW_APIENTRY_DEFINED
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#undef GLEW_APIENTRY_DEFINED
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#undef APIENTRY
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#endif
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#ifdef GLEW_CALLBACK_DEFINED
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#undef GLEW_CALLBACK_DEFINED
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#undef CALLBACK
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#endif
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#ifdef GLEW_WINGDIAPI_DEFINED
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#undef GLEW_WINGDIAPI_DEFINED
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#undef WINGDIAPI
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#endif
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#undef GLAPI
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/* #undef GLEWAPI */
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#endif /* __glew_h__ */
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