The MATH instruction unfortunately only operates on GRF registers with
an HStride of 1, so we often need to create a temporary GRF. For
integer division and modulus, we need to use an integer register.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index a24cef7..e1de199 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -595,12 +595,14 @@ fs_visitor::emit_math(fs_opcodes opcode, fs_reg dst,
fs_reg src0, fs_reg src1)
*/
if (src0.file == UNIFORM || src0.abs || src0.negate) {
fs_reg expanded = fs_reg(this, glsl_type::float_type);
+ expanded.type = src0.type;
emit(BRW_OPCODE_MOV, expanded, src0);
src0 = expanded;
}
if (src1.file == UNIFORM || src1.abs || src1.negate) {
fs_reg expanded = fs_reg(this, glsl_type::float_type);
+ expanded.type = src1.type;
emit(BRW_OPCODE_MOV, expanded, src1);
src1 = expanded;
}
--
1.7.6
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