Module: Mesa
Branch: master
Commit: 9e3475b39ae34244045e0dcd6b98e1526c10c6bf
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=9e3475b39ae34244045e0dcd6b98e1526c10c6bf
Author: Paul Berry <stereotype...@gmail.com>
Date: Fri May 31 09:45:49 2013 -0700
intel: flush fake front buffer if server is about to destroy it.
Fixes piglit test "spec/!OpenGL 1.0/gl-1.0-front-invalidate-back"
Reviewed-by: Anuj Phogat <anuj.pho...@gmail.com>
---
src/mesa/drivers/dri/intel/intel_context.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_context.c
b/src/mesa/drivers/dri/intel/intel_context.c
index 7f8a2bb..09b33b1 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -925,6 +925,15 @@ intel_query_dri2_buffers(struct intel_context *intel,
attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
attachments[i++] = intel_bits_per_pixel(front_rb);
+ } else if (front_rb && intel->front_buffer_dirty) {
+ /* We have pending front buffer rendering, but we aren't querying for a
+ * front buffer. If the front buffer we have is a fake front buffer,
+ * the X server is going to throw it away when it processes the query.
+ * So before doing the query, make sure all the pending drawing has
+ * landed in the real front buffer.
+ */
+ intel_flush(&intel->ctx);
+ intel_flush_front(&intel->ctx);
}
if (back_rb) {
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