Mesa (master): dri3: use invalidate.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: e40cf256f4cb4105c760060e43ab19a4f1524ed3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e40cf256f4cb4105c760060e43ab19a4f1524ed3

Author: Axel Davy <axel.davy at ens.fr>
Date:   Wed Jun 18 23:27:31 2014 -0400

dri3: use invalidate.

This doesn't change anything to the intel DRI3 implementation,
but enables the gallium implementation to use dri2.stamp instead
of relying on the stamp shared with the st backend.

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

---

 src/glx/dri3_glx.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
index edad014..9d2a40f 100644
--- a/src/glx/dri3_glx.c
+++ b/src/glx/dri3_glx.c
@@ -1308,9 +1308,14 @@ static const __DRIimageLoaderExtension imageLoaderExtension = {
    .flushFrontBuffer    = dri3_flush_front_buffer,
 };
 
+const __DRIuseInvalidateExtension dri3UseInvalidate = {
+   .base = { __DRI_USE_INVALIDATE, 1 }
+};
+
 static const __DRIextension *loader_extensions[] = {
    &imageLoaderExtension.base,
    &systemTimeExtension.base,
+   &dri3UseInvalidate.base,
    NULL
 };
 
@@ -1384,6 +1389,8 @@ dri3_swap_buffers(__GLXDRIdrawable *pdraw, int64_t target_msc, int64_t divisor,
          ++(*priv->stamp);
    }
 
+   (*psc->f->invalidate)(priv->driDrawable);
+
    return ret;
 }