From 7b559a91028d297b34df9ec939bd4d00fad6027c Mon Sep 17 00:00:00 2001
From: Ian Romanick <idr@us.ibm.com>
Date: Thu, 7 Jun 2007 13:58:50 -0700
Subject: Add support for GL_ARB_fragment_program_shadow.

---
 src/mesa/swrast/s_fragprog.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/mesa/swrast/s_fragprog.c')

diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index f5ffe41fc1..a36c1ba491 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -211,8 +211,9 @@ _swrast_exec_fragment_program( GLcontext *ctx, SWspan *span )
 
    for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
       if (ctx->Texture.Unit[i]._Current != NULL) {
+         const GLboolean enable_shadow = ((1 << i) & program->Base.ShadowSamplers);
          _mesa_update_texture_compare_function(ctx->Texture.Unit[i]._Current,
-                                               GL_TRUE);
+                                               !enable_shadow);
       }
    }
 
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