Module: Mesa
Branch: master
Commit: 27c03cb86aa9149d001eefb3cf1e67a97f5bc886
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=27c03cb86aa9149d001eefb3cf1e67a97f5bc886
Author: Eric Anholt <e...@anholt.net>
Date: Tue Sep 6 17:46:25 2011 -0700
i965/vs: Fix variable indexed array access with more than one array.
The offset to the arrays after the first was mis-scaled, so we'd go
access off the end of the surface and read 0s. Fixes
glsl-vs-uniform-array-3.
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
Acked-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index afbd8d9..c50a722 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -2211,7 +2211,7 @@
vec4_visitor::move_uniform_array_access_to_pull_constants()
if (pull_constant_loc[uniform] == -1) {
const float **values = &prog_data->param[uniform * 4];
- pull_constant_loc[uniform] = prog_data->nr_pull_params;
+ pull_constant_loc[uniform] = prog_data->nr_pull_params / 4;
for (int j = 0; j < uniform_size[uniform] * 4; j++) {
prog_data->pull_param[prog_data->nr_pull_params++] = values[j];
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