From: Brian Paul <brianp@vmware.com>
Date: Sat, 24 Apr 2010 00:09:43 +0000 (-0600)
Subject: softpipe: compressed formats can't be render targets
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1a4383cd4283fc48f8b70a2692ef5a545b6ab58c;p=mesa.git

softpipe: compressed formats can't be render targets
---

diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 52ccb32530c..8406aa1ac3e 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -159,7 +159,10 @@ softpipe_is_format_supported( struct pipe_screen *screen,
    case PIPE_FORMAT_DXT1_RGBA:
    case PIPE_FORMAT_DXT3_RGBA:
    case PIPE_FORMAT_DXT5_RGBA:
-      return util_format_s3tc_enabled;
+      if (tex_usage & PIPE_BIND_RENDER_TARGET)
+         return FALSE;
+      else
+         return util_format_s3tc_enabled;
 
    case PIPE_FORMAT_Z32_FLOAT:
    case PIPE_FORMAT_NONE: