From cd5dea640144b45ba2e88c2451f1f01ee08c1c4a Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Tue, 28 Sep 2010 13:50:34 -0700
Subject: ARB_texture_rg: Add GL_RED as a valid GL_DEPTH_TEXTURE_MODE

---
 src/mesa/swrast/s_texfilter.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/mesa/swrast')

diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index 1aa2bcaf74..de694c31bf 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -3051,6 +3051,9 @@ sample_depth_texture( GLcontext *ctx,
          case GL_ALPHA:
             ASSIGN_4V(texel[i], 0.0F, 0.0F, 0.0F, result);
             break;
+         case GL_RED:
+            ASSIGN_4V(texel[i], result, 0.0F, 0.0F, 1.0F);
+            break;
          default:
             _mesa_problem(ctx, "Bad depth texture mode");
          }
-- 
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