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Load glBlendEquation and glBlendColor using cogl_get_proc_address

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These are defined since OpenGL 1.2 and since Windows doesn't export
any functions defined after 1.1 we need to load them dynamically.
This commit is contained in:
Neil Roberts
2009-06-04 11:50:06 +01:00
parent daa95b561e
commit f89ff7f383
4 changed files with 22 additions and 0 deletions
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7
clutter/cogl/gl/cogl.c
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@ -486,6 +486,13 @@ _cogl_features_init (void)
(COGL_PFNGLCLIENTACTIVETEXTUREPROC)
cogl_get_proc_address ("glClientActiveTexture");
ctx->pf_glBlendEquation =
(COGL_PFNGLBLENDEQUATIONPROC)
cogl_get_proc_address ("glBlendEquation");
ctx->pf_glBlendColor =
(COGL_PFNGLBLENDCOLORPROC)
cogl_get_proc_address ("glBlendColor");
/* Available in 1.4 */
ctx->pf_glBlendFuncSeparate =
(COGL_PFNGLBLENDFUNCSEPARATEPROC)