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authorEric Anholt <[email protected]>2011-09-02 16:46:46 -0700
committerEric Anholt <[email protected]>2011-09-06 18:01:17 -0700
commit2ffc5ac1da40186ef1c5155df21caa3aa3c34ccb (patch)
treeb8ec385c7186a87d642af1530584ce271026bc1d /src
parent8adcad213ef6cbbaa9adf1485827125cc05aa033 (diff)
i965/vs: Fix gen4 comparisons used for predication.
When we tried to retype a brw_null_reg() in CMP(), the retyping didn't take effect because HW_REG just ignores the type field. Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp5
1 files changed, 4 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 2cea90d0ff4..344c4e08eb8 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -203,8 +203,11 @@ vec4_visitor::CMP(dst_reg dst, src_reg src0, src_reg src1, uint32_t condition)
* before before comparison, producing garbage results for floating
* point comparisons.
*/
- if (intel->gen == 4)
+ if (intel->gen == 4) {
dst.type = src0.type;
+ if (dst.file == HW_REG)
+ dst.fixed_hw_reg.type = dst.type;
+ }
inst = new(mem_ctx) vec4_instruction(this, BRW_OPCODE_CMP, dst, src0, src1);
inst->conditional_mod = condition;