Mesa (master): dri3: fix image extension checking.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: e4419913bf0b12e33e91f1947295b67eff0d341e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e4419913bf0b12e33e91f1947295b67eff0d341e

Author: Dave Airlie <airlied at gmail.com>
Date:   Fri Jun 27 11:38:21 2014 +1000

dri3: fix image extension checking.

Move the image extension setup in with all the others in
bind_extensions, and improve the check to both version
and function pointer.

Reviewed-by: Axel Davy <axel.davy at ens.fr>
Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/glx/dri3_glx.c |   16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
index 55eed39..edad014 100644
--- a/src/glx/dri3_glx.c
+++ b/src/glx/dri3_glx.c
@@ -1594,6 +1594,9 @@ dri3_bind_extensions(struct dri3_screen *psc, struct glx_display * priv,
          /* internal driver extension, no GL extension exposed */
       }
 
+      if (strcmp(extensions[i]->name, __DRI_IMAGE) == 0)
+         psc->image = (__DRIimageExtension *) extensions[i];
+
       if ((strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0))
          psc->config = (__DRI2configQueryExtension *) extensions[i];
 
@@ -1712,20 +1715,13 @@ dri3_create_screen(int screen, struct glx_display * priv)
       goto handle_error;
    }
 
-   extensions = (*psc->core->getExtensions)(psc->driScreen);
-
-   for (i = 0; extensions[i]; i++) {
-      if (strcmp(extensions[i]->name, __DRI_IMAGE) == 0)
-         psc->image = (__DRIimageExtension *) extensions[i];
-   }
+   dri3_bind_extensions(psc, priv, driverName);
 
-   if (psc->image == NULL) {
-      ErrorMessageF("image extension not found\n");
+   if (!psc->image || psc->image->base.version < 7 || !psc->image->createImageFromFds) {
+      ErrorMessageF("Version 7 or imageFromFds image extension not found\n");
       goto handle_error;
    }
 
-   dri3_bind_extensions(psc, priv, driverName);
-
    if (!psc->f || psc->f->base.version < 4) {
       ErrorMessageF("Version 4 or later of flush extension not found\n");
       goto handle_error;