Broadwell can handle MATH on immediates, and can also handle source
modifiers.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
Cc: "10.2" <mesa-sta...@lists.freedesktop.org>
---
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 54a40dd..ec288b7 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -301,6 +301,10 @@ vec4_visitor::fix_3src_operand(src_reg src)
src_reg
vec4_visitor::fix_math_operand(src_reg src)
{
+ /* Gen8+ just works. */
+ if (brw->gen >= 8)
+ return src;
+
/* The gen6 math instruction ignores the source modifiers --
* swizzle, abs, negate, and at least some parts of the register
* region description.
--
1.9.1
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