Dave Reveman's patch for GLX_MESA_copy_sub_buffer support

1 files changed, 10 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index 883a89c888..d68837b545 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -547,6 +547,13 @@ static int64_t driSwapBuffersMSC( __DRInativeDisplay * dpy, void *drawablePriv,
                                                            remainder );
 }
 
+static void driCopySubBuffer( __DRInativeDisplay *dpy, void *drawablePrivate,
+			      int x, int y, int w, int h)
+{
+    __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *) drawablePrivate;
+    dPriv->driScreenPriv->DriverAPI.CopySubBuffer(dPriv, x, y, w, h);
+    (void) dpy;
+}
 
 /**
  * This is called via __DRIscreenRec's createNewDrawable pointer.
@@ -623,6 +630,9 @@ static void *driCreateNewDrawable(__DRInativeDisplay *dpy,
     pdraw->frameTracking = NULL;
     pdraw->queryFrameTracking = driQueryFrameTracking;
 
+    if (driCompareGLXAPIVersion (20060314) >= 0)
+	pdraw->copySubBuffer = driCopySubBuffer;
+
     /* This special default value is replaced with the configured
      * default value when the drawable is first bound to a direct
      * rendering context.