On 07/23/2013 03:26 AM, Chris Forbes wrote:
If any component used the ZERO or ONE swizzle, its corresponding member
in the `swizzle` array would never be initialized. We *mostly* got away
with this, except when that memory happened to contain a value that
clobbered another channel when combined using BRW_SWIZZLE4().
NOTE: This is a candidate for stable branches.
Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
---
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 3eb43a8..1d86b33 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -2506,7 +2506,7 @@ vec4_visitor::swizzle_result(ir_texture *ir, src_reg
orig_val, int sampler)
}
int zero_mask = 0, one_mask = 0, copy_mask = 0;
- int swizzle[4];
+ int swizzle[4] = {0};
for (int i = 0; i < 4; i++) {
switch (GET_SWZ(s, i)) {
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