From: Francisco Jerez <curroje...@riseup.net>
Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
---
src/intel/compiler/brw_fs.cpp | 28 +++++++---------------------
1 file changed, 7 insertions(+), 21 deletions(-)
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 5ef3cd4..e1232d6 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -1226,30 +1226,16 @@ fs_visitor::emit_samplepos_setup()
* The X, Y sample positions come in as bytes in thread payload. So, read
* the positions using vstride=16, width=8, hstride=2.
*/
- struct brw_reg sample_pos_reg =
- stride(retype(brw_vec1_grf(payload.sample_pos_reg, 0),
- BRW_REGISTER_TYPE_B), 16, 8, 2);
+ const fs_reg sample_pos_reg = retype(brw_vec8_grf(payload.sample_pos_reg,
0),
+ BRW_REGISTER_TYPE_W);
- if (dispatch_width == 8) {
- abld.MOV(int_sample_x, fs_reg(sample_pos_reg));
- } else {
- abld.half(0).MOV(half(int_sample_x, 0), fs_reg(sample_pos_reg));
- abld.half(1).MOV(half(int_sample_x, 1),
- fs_reg(suboffset(sample_pos_reg, 16)));
- }
/* Compute gl_SamplePosition.x */
- compute_sample_position(pos, int_sample_x);
- pos = offset(pos, abld, 1);
- if (dispatch_width == 8) {
- abld.MOV(int_sample_y, fs_reg(suboffset(sample_pos_reg, 1)));
- } else {
- abld.half(0).MOV(half(int_sample_y, 0),
- fs_reg(suboffset(sample_pos_reg, 1)));
- abld.half(1).MOV(half(int_sample_y, 1),
- fs_reg(suboffset(sample_pos_reg, 17)));
- }
+ abld.MOV(int_sample_x, subscript(sample_pos_reg, BRW_REGISTER_TYPE_B, 0));
+ compute_sample_position(offset(pos, abld, 0), int_sample_x);
+
/* Compute gl_SamplePosition.y */
- compute_sample_position(pos, int_sample_y);
+ abld.MOV(int_sample_y, subscript(sample_pos_reg, BRW_REGISTER_TYPE_B, 1));
+ compute_sample_position(offset(pos, abld, 1), int_sample_y);
return reg;
}
--
2.5.0.400.gff86faf
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