From: Marek Olšák <marek.olsak@amd.com>
Date: Thu, 9 Apr 2015 21:25:07 +0000 (+0200)
Subject: egl/dri: don't expose configs with an accumulation buffer
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=396cbabbefaae64deac6d33c79898bb07db8a621;p=mesa.git

egl/dri: don't expose configs with an accumulation buffer
---

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index a428f284ae7..14b9be90bd0 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -194,6 +194,15 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
          dri_masks[3] = value;
          break;
 
+      case __DRI_ATTRIB_ACCUM_RED_SIZE:
+      case __DRI_ATTRIB_ACCUM_GREEN_SIZE:
+      case __DRI_ATTRIB_ACCUM_BLUE_SIZE:
+      case __DRI_ATTRIB_ACCUM_ALPHA_SIZE:
+         /* Don't expose visuals with the accumulation buffer. */
+         if (value > 0)
+            return NULL;
+         break;
+
       default:
 	 key = dri2_to_egl_attribute_map[attrib];
 	 if (key != 0)