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glamor_gl_dispatch: fix the dispatch initialization on GLES2.

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Some gles2 implementation doesn's support get_proc_address.
And we also need to avoid get those missing functions pointers
when we are GLES2.

Signed-off-by: Peng Li <peng.li@intel.com>
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Peng Li 2012-01-20 11:52:18 +08:00 committed by Eric Anholt
parent 64fef665c9
commit 125f317d90
1 changed files with 17 additions and 10 deletions
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27
glamor/glamor_gl_dispatch.c
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@ -1,24 +1,36 @@
#include "glamor_priv.h"
#include <dlfcn.h>
#define INIT_FUNC(dst,func_name,get) \
dst->func_name = get(#func_name); \
if (dst->func_name == NULL) \
{ ErrorF("Failed to get function %s", #func_name); \
goto fail; }
if (dst->func_name == NULL) { \
dst->func_name = (void *)dlsym(NULL, #func_name); \
if (dst->func_name == NULL) { \
ErrorF("Failed to get function %s\n", #func_name);\
goto fail; \
} \
} \
_X_EXPORT Bool
glamor_gl_dispatch_init_impl(struct glamor_gl_dispatch *dispatch,
int gl_version,
void *(*get_proc_address) (const char *))
{
#ifndef GLAMOR_GLES2
INIT_FUNC(dispatch, glMatrixMode, get_proc_address);
INIT_FUNC(dispatch, glLoadIdentity, get_proc_address);
INIT_FUNC(dispatch, glViewport, get_proc_address);
INIT_FUNC(dispatch, glRasterPos2i, get_proc_address);
INIT_FUNC(dispatch, glDrawPixels, get_proc_address);
INIT_FUNC(dispatch, glLogicOp, get_proc_address);
INIT_FUNC(dispatch, glMapBuffer, get_proc_address);
INIT_FUNC(dispatch, glMapBufferRange, get_proc_address);
INIT_FUNC(dispatch, glUnmapBuffer, get_proc_address);
INIT_FUNC(dispatch, glBlitFramebuffer, get_proc_address);
#endif
INIT_FUNC(dispatch, glViewport, get_proc_address);
INIT_FUNC(dispatch, glDrawArrays, get_proc_address);
INIT_FUNC(dispatch, glDrawElements, get_proc_address);
INIT_FUNC(dispatch, glReadPixels, get_proc_address);
INIT_FUNC(dispatch, glDrawPixels, get_proc_address);
INIT_FUNC(dispatch, glPixelStorei, get_proc_address);
INIT_FUNC(dispatch, glTexParameteri, get_proc_address);
INIT_FUNC(dispatch, glTexImage2D, get_proc_address);
@ -34,13 +46,9 @@ glamor_gl_dispatch_init_impl(struct glamor_gl_dispatch *dispatch,
INIT_FUNC(dispatch, glEnable, get_proc_address);
INIT_FUNC(dispatch, glDisable, get_proc_address);
INIT_FUNC(dispatch, glBlendFunc, get_proc_address);
INIT_FUNC(dispatch, glLogicOp, get_proc_address);
INIT_FUNC(dispatch, glActiveTexture, get_proc_address);
INIT_FUNC(dispatch, glGenBuffers, get_proc_address);
INIT_FUNC(dispatch, glBufferData, get_proc_address);
INIT_FUNC(dispatch, glMapBuffer, get_proc_address);
INIT_FUNC(dispatch, glMapBufferRange, get_proc_address);
INIT_FUNC(dispatch, glUnmapBuffer, get_proc_address);
INIT_FUNC(dispatch, glBindBuffer, get_proc_address);
INIT_FUNC(dispatch, glDeleteBuffers, get_proc_address);
INIT_FUNC(dispatch, glFramebufferTexture2D, get_proc_address);
@ -48,7 +56,6 @@ glamor_gl_dispatch_init_impl(struct glamor_gl_dispatch *dispatch,
INIT_FUNC(dispatch, glDeleteFramebuffers, get_proc_address);
INIT_FUNC(dispatch, glGenFramebuffers, get_proc_address);
INIT_FUNC(dispatch, glCheckFramebufferStatus, get_proc_address);
INIT_FUNC(dispatch, glBlitFramebuffer, get_proc_address);
INIT_FUNC(dispatch, glVertexAttribPointer, get_proc_address);
INIT_FUNC(dispatch, glDisableVertexAttribArray, get_proc_address);
INIT_FUNC(dispatch, glEnableVertexAttribArray, get_proc_address);