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added boolean extension flags to _EGLDriver

This commit is contained in:
Brian Paul 2005-05-16 02:15:42 +00:00
parent 6493bd07a7
commit 51ac95ba89
2 changed files with 30 additions and 1 deletions
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21
src/egl/main/egldriver.c
View File

@ -197,6 +197,24 @@ _eglInitDriverFallbacks(_EGLDriver *drv)
}
/**
* Examine the individual extension enable/disable flags and recompute
* the driver's Extensions string.
*/
static void
UpdateExtensionsString(_EGLDriver *drv)
{
drv->Extensions[0] = 0;
if (drv->MESA_screen_surface)
strcat(drv->Extensions, "EGL_MESA_screen_surface");
if (drv->MESA_copy_context)
strcat(drv->Extensions, "EGL_MESA_copy_context");
assert(strlen(drv->Extensions) < MAX_EXTENSIONS_LEN);
}
const char *
_eglQueryString(_EGLDriver *drv, EGLDisplay dpy, EGLint name)
{
@ -208,7 +226,8 @@ _eglQueryString(_EGLDriver *drv, EGLDisplay dpy, EGLint name)
case EGL_VERSION:
return "1.0";
case EGL_EXTENSIONS:
return "";
UpdateExtensionsString(drv);
return drv->Extensions;
default:
_eglError(EGL_BAD_PARAMETER, "eglQueryString");
return NULL;

10
src/egl/main/egldriver.h
View File

@ -4,6 +4,9 @@
#include "egltypedefs.h"
/* should probably use a dynamic-lengh string, but this will do */
#define MAX_EXTENSIONS_LEN 1000
/* driver funcs */
typedef EGLBoolean (*Initialize_t)(_EGLDriver *, EGLDisplay dpy, EGLint *major, EGLint *minor);
@ -114,6 +117,13 @@ struct _egl_driver
QueryScreenSurfaceMESA_t QueryScreenSurfaceMESA;
QueryScreenModeMESA_t QueryScreenModeMESA;
QueryModeStringMESA_t QueryModeStringMESA;
/* Extension enable flags */
EGLBoolean MESA_screen_surface;
EGLBoolean MESA_copy_context;
/* Extensions string */
char Extensions[MAX_EXTENSIONS_LEN];
};