>From 1ef02e603f0296e5d11df4e9a1b783fae2da3af8 Mon Sep 17 00:00:00 2001
From: Haitao Feng <haitao.f...@intel.com>
Date: Wed, 9 Feb 2011 14:52:59 -0500
Subject: [PATCH 3/3] egl_dri2: make swrast always double buffered
Signed-off-by: Haitao Feng <haitao.f...@intel.com>
---
src/egl/drivers/dri2/egl_dri2.c | 7 ++++---
src/egl/drivers/dri2/platform_x11.c | 1 +
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 919b996..ffd97a5 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -157,14 +157,15 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig
*dri_config, int id,
}
}
- /* In EGL, double buffer or not isn't a config attribute. Pixmaps
+ /* In EGL, for dri2, double buffer or not isn't a config attribute. Pixmaps
* surfaces are always single buffered, pbuffer surfaces are always
* back buffers and windows can be either, selected by passing an
* attribute at window surface construction time. To support this
* we ignore all double buffer configs and manipulate the buffer we
- * return in the getBuffer callback to get the behaviour we want. */
+ * return in the getBuffer callback to get the behaviour we want.
+ * for swrast, all surfaces are always double buffered */
- if (double_buffer)
+ if ((dri2_dpy->dri2 && double_buffer) || (dri2_dpy->swrast &&
!double_buffer))
return NULL;
if (depth > 0 && depth != base.BufferSize)
diff --git a/src/egl/drivers/dri2/platform_x11.c
b/src/egl/drivers/dri2/platform_x11.c
index d138763..8147e12 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -23,6 +23,7 @@
*
* Authors:
* Kristian Høgsberg <k...@bitplanet.net>
+ * Haitao Feng <haitao.f...@intel.com>
*/
#include <stdlib.h>
--
1.7.1
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