summaryrefslogtreecommitdiff
path: root/src/egl
diff options
context:
space:
mode:
authorBrian Paul <brian.paul@tungstengraphics.com>2005-05-16 02:15:42 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2005-05-16 02:15:42 +0000
commit51ac95ba8945711cf65e94a2deba6c896dea5f0e (patch)
tree6a8c4cdd2d3e37f89c21e98d51ddd104c3af0867 /src/egl
parent6493bd07a7a766552c754920190972c91f5c336c (diff)
added boolean extension flags to _EGLDriver
Diffstat (limited to 'src/egl')
-rw-r--r--src/egl/main/egldriver.c21
-rw-r--r--src/egl/main/egldriver.h10
2 files changed, 30 insertions, 1 deletions
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
index e2120e383a..8cad3d895e 100644
--- a/src/egl/main/egldriver.c
+++ b/src/egl/main/egldriver.c
@@ -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;
diff --git a/src/egl/main/egldriver.h b/src/egl/main/egldriver.h
index bc5e4e2e61..d83bc46f66 100644
--- a/src/egl/main/egldriver.h
+++ b/src/egl/main/egldriver.h
@@ -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];
};