Soon we will start using the builder to explicitly set all the execution
sizes. We could make a 32-wide builder, but the builder asserts that we
never grow it which is usually a reasonable assumption. Sinc this one
instruction is a bit of an odd-ball, we just set the exec_size explicitly.
v2: Explicitly new the fs_inst instead of using the builder and setting
exec_size after the fact.
---
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 4770838..33464c5 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -1357,10 +1357,13 @@ fs_visitor::emit_interpolation_setup_gen6()
*/
fs_reg int_pixel_xy(GRF, alloc.allocate(dispatch_width / 8),
BRW_REGISTER_TYPE_UW, dispatch_width * 2);
- abld.exec_all()
- .ADD(int_pixel_xy,
- fs_reg(stride(suboffset(g1_uw, 4), 1, 4, 0)),
- fs_reg(brw_imm_v(0x11001010)));
+ fs_inst *add =
+ new (mem_ctx) fs_inst(BRW_OPCODE_ADD, dispatch_width * 2,
+ int_pixel_xy,
+ fs_reg(stride(suboffset(g1_uw, 4), 1, 4, 0)),
+ fs_reg(brw_imm_v(0x11001010)));
+ add->force_writemask_all = true;
+ abld.emit(add);
this->pixel_x = vgrf(glsl_type::float_type);
this->pixel_y = vgrf(glsl_type::float_type);
--
2.4.3
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