From 7c2dc3faa8e8ba99e29fcc09e7db39fc49d73200 Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Wed, 19 Aug 2009 17:58:04 +0100
Subject: llvmpipe: Code generate the position interpolation.

---
 src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c')

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
index 805d9fd4b2..01328c1c48 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
@@ -1353,7 +1353,7 @@ emit_declaration(
             LLVMValueRef input = bld->base.undef;
 
             if( mask & (1 << chan) ) {
-               LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), attrib*NUM_CHANNELS + chan, 0);
+               LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), (1 + attrib)*NUM_CHANNELS + chan, 0);
                LLVMValueRef a0;
                LLVMValueRef dadx;
                LLVMValueRef dady;
-- 
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