From: José Fonseca <jfonseca@vmware.com>
Date: Mon, 4 Jul 2011 11:31:30 +0000 (+0100)
Subject: draw: Fix fetch_max calculation.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f67de2ed468ecbd09085746130a27bd2c2da911d;p=mesa.git

draw: Fix fetch_max calculation.

It should be

 max_index = start + count - 1

instead of

 max_index = count - 1
---

diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c
index f33c9078c9c..8bb87440497 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -1235,7 +1235,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant)
       draw_llvm_variant_key_samplers(&variant->key),
       context_ptr);
 
-   fetch_max = LLVMBuildSub(builder, count,
+   /* fetch_max = start + count - 1 */
+   fetch_max = LLVMBuildSub(builder, end,
                             lp_build_const_int32(gallivm, 1),
                             "fetch_max");