brl/mutter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add internal _cogl_get_proc_address

Browse Source 
This adds an internal _cogl_get_proc_address that doesn't need a
CoglContext. This will enable us to check driver features earlier.
This commit is contained in:
Robert Bragg
2011-05-24 01:38:48 +01:00
parent 32e7c93aff
commit be15bf75e4
10 changed files with 64 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
cogl/cogl-feature-private.c
View File

@ -33,7 +33,8 @@
#include "cogl-feature-private.h"
gboolean
_cogl_feature_check (const char *driver_prefix,
_cogl_feature_check (const CoglWinsysVtable *winsys,
const char *driver_prefix,
const CoglFeatureData *data,
unsigned int gl_major,
unsigned int gl_minor,
@ -44,8 +45,6 @@ _cogl_feature_check (const char *driver_prefix,
const char *suffix = NULL;
int func_num;
_COGL_GET_CONTEXT (ctx, FALSE);
/* First check whether the functions should be directly provided by
GL */
if (COGL_CHECK_GL_VERSION (gl_major, gl_minor,
@ -107,7 +106,7 @@ _cogl_feature_check (const char *driver_prefix,
/* If we couldn't find anything that provides the functions then
give up */
if (suffix == NULL)
return FALSE;
goto error;
/* Try to get all of the entry points */
for (func_num = 0; data->functions[func_num].name; func_num++)
@ -117,28 +116,26 @@ _cogl_feature_check (const char *driver_prefix,
full_function_name = g_strconcat (data->functions[func_num].name,
suffix, NULL);
func = cogl_get_proc_address (full_function_name);
func = _cogl_get_proc_address (winsys, full_function_name);
g_free (full_function_name);
if (func == NULL)
break;
goto error;
/* Set the function pointer in the context */
*(void **) ((guint8 *) function_table +
data->functions[func_num].pointer_offset) = func;
}
/* If one of the functions wasn't found then we should set all of
the function pointers back to NULL so that the rest of Cogl can
safely do feature testing by just looking at the function
pointers */
if (data->functions[func_num].name)
{
while (func_num-- > 0)
*(void **) ((guint8 *) ctx +
data->functions[func_num].pointer_offset) = NULL;
return FALSE;
}
else
return TRUE;
return TRUE;
/* If the extension isn't found or one of the functions wasn't found
* then set all of the functions pointers to NULL so Cogl can safely
* do feature testing by just looking at the function pointers */
error:
for (func_num = 0; data->functions[func_num].name; func_num++)
*(void **) ((guint8 *) function_table +
data->functions[func_num].pointer_offset) = NULL;
return FALSE;
}