There is an easy chance for bugs in brw_wm_emit.c, where you would pass 1 << 5
instead of 1, which would get truncated to 0.
---
src/mesa/drivers/dri/i965/brw_eu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/mesa/drivers/dri/i965/brw_eu.c
b/src/mesa/drivers/dri/i965/brw_eu.c
index 2c432a9..7697d08 100644
--- a/src/mesa/drivers/dri/i965/brw_eu.c
+++ b/src/mesa/drivers/dri/i965/brw_eu.c
@@ -143,6 +143,7 @@ void brw_set_mask_control( struct brw_compile *p, GLuint
value )
void brw_set_saturate( struct brw_compile *p, GLuint value )
{
+ assert(value == 0 || value == 1);
p->current->header.saturate = value;
}
--
1.7.10.4
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