i965/fs: Don't fix_math_operand() on Gen >= 8.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index d7b969e46c58d05a995a3cf5f5b66e9bc556c790..185a1f68c08a9018664a2032f0084c08e8b9d53a 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1386,7 +1386,7 @@ fs_visitor::emit_math(enum opcode opcode, fs_reg dst, fs_reg src)
     * Gen 6 hardware ignores source modifiers (negate and abs) on math
     * instructions, so we also move to a temp to set those up.
     */
-   if (brw->gen >= 6)
+   if (brw->gen == 6 || brw->gen == 7)
       src = fix_math_operand(src);
 
    fs_inst *inst = emit(opcode, dst, src);
@@ -1418,7 +1418,9 @@ fs_visitor::emit_math(enum opcode opcode, fs_reg dst, fs_reg src0, fs_reg src1)
       return NULL;
    }
 
-   if (brw->gen >= 6) {
+   if (brw->gen >= 8) {
+      inst = emit(opcode, dst, src0, src1);
+   } else if (brw->gen >= 6) {
       src0 = fix_math_operand(src0);
       src1 = fix_math_operand(src1);