This fixes fogging for fragment programs with fog a fog option set.
From 533e782dee9ed569eb35456b583a5740c3082afe Mon Sep 17 00:00:00 2001
From: Henri Verbeet <[EMAIL PROTECTED]>
Date: Sun, 5 Oct 2008 14:39:57 +0200
Subject: swrast: Fog coords should also be read when the fog option is active
in a fragment program.
---
src/mesa/swrast/s_context.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 62857dd..48fc363 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -578,12 +578,12 @@ _swrast_update_active_attribs(GLcontext *ctx)
attribsMask |= FRAG_BIT_COL1;
}
- if (swrast->_FogEnabled)
- attribsMask |= FRAG_BIT_FOGC;
-
attribsMask |= (ctx->Texture._EnabledUnits << FRAG_ATTRIB_TEX0);
}
+ if (swrast->_FogEnabled)
+ attribsMask |= FRAG_BIT_FOGC;
+
swrast->_ActiveAttribMask = attribsMask;
/* Update _ActiveAttribs[] list */
--
1.5.6.4
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