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evas/gl: Don't look for EXT and ARB extensions when on GLES. 

At least on recent mesa (since commit 9f07ca11c17), it will find the
mentioned symbols but they won't really work, leading to error messages,
and possibly some other errors. So far, I just ifdef'ed the
glGenFramebuffer and glBindFramebuffer functions, but it may require
others to be ifdef'ed too.

This is just a workaround, to fix https://phab.enlightenment.org/T246.
This commit is contained in:
Rafael Antognolli 2013-08-21 12:39:17 -03:00
parent 86b61b41d1
commit 3a654f795c
1 changed files with 13 additions and 1 deletions
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14
src/modules/evas/engines/gl_common/evas_gl_context.c
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@ -95,20 +95,32 @@ gl_symbols(void)
#endif
#define FINDSYM2(dst, sym, typ) if (!dst) dst = (typ)dlsym(RTLD_DEFAULT, sym)
#define FALLBAK(dst, typ) if (!dst) dst = (typ)sym_missing
#ifdef GL_GLES
FINDSYM(glsym_glGenFramebuffers, "glGenFramebuffers", glsym_func_void);
FINDSYM2(glsym_glGenFramebuffers, "glGenFramebuffers", glsym_func_void);
FALLBAK(glsym_glGenFramebuffers, glsym_func_void);
#else
FINDSYM(glsym_glGenFramebuffers, "glGenFramebuffersEXT", glsym_func_void);
FINDSYM(glsym_glGenFramebuffers, "glGenFramebuffersARB", glsym_func_void);
FINDSYM(glsym_glGenFramebuffers, "glGenFramebuffers", glsym_func_void);
// nvidia tegra3 drivers seem to not expose via getprocaddress, but dlsym finds it
FINDSYM2(glsym_glGenFramebuffers, "glGenFramebuffers", glsym_func_void);
FALLBAK(glsym_glGenFramebuffers, glsym_func_void);
#endif
#ifdef GL_GLES
FINDSYM(glsym_glBindFramebuffer, "glBindFramebuffer", glsym_func_void);
FINDSYM2(glsym_glBindFramebuffer, "glBindFramebuffer", glsym_func_void);
FALLBAK(glsym_glBindFramebuffer, glsym_func_void);
#else
FINDSYM(glsym_glBindFramebuffer, "glBindFramebufferEXT", glsym_func_void);
FINDSYM(glsym_glBindFramebuffer, "glBindFramebufferARB", glsym_func_void);
FINDSYM(glsym_glBindFramebuffer, "glBindFramebuffer", glsym_func_void);
// nvidia tegra3 drivers seem to not expose via getprocaddress, but dlsym finds it
FINDSYM2(glsym_glBindFramebuffer, "glBindFramebuffer", glsym_func_void);
FALLBAK(glsym_glBindFramebuffer, glsym_func_void);
#endif
FINDSYM(glsym_glFramebufferTexture2D, "glFramebufferTexture2DEXT", glsym_func_void);
FINDSYM(glsym_glFramebufferTexture2D, "glFramebufferTexture2DARB", glsym_func_void);