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i965/fs: Use type-W for immediate in SampleID setup.

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Not a functional difference, but register is loaded with a signed
immediate (V) and added to a signed type (D) producing a signed result
(D).

Also change the type of g0 to allow for compaction.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Matt Turner
2015-10-20 17:51:12 -07:00
parent cfb67c3d06
commit e10fc055e7
2 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/mesa/drivers/dri/i965/brw_fs.cpp
+2 -2
View File
@@ -1284,7 +1284,7 @@ fs_visitor::emit_sampleid_setup()
if (key->compute_sample_id) {
fs_reg t1 = vgrf(glsl_type::int_type);
fs_reg t2 = vgrf(glsl_type::int_type);
t2.type = BRW_REGISTER_TYPE_UW;
t2.type = BRW_REGISTER_TYPE_W;
/* The PS will be run in MSDISPMODE_PERSAMPLE. For example with
* 8x multisampling, subspan 0 will represent sample N (where N
@@ -1306,7 +1306,7 @@ fs_visitor::emit_sampleid_setup()
* subspan 1, and finally sample 1 of subspan 1.
*/
abld.exec_all()
.AND(t1, fs_reg(retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UD)),
.AND(t1, fs_reg(retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_D)),
fs_reg(0xc0));
abld.exec_all().SHR(t1, t1, fs_reg(5));
src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+1 -1
View File
@@ -1508,7 +1508,7 @@ fs_generator::generate_set_sample_id(fs_inst *inst,
brw_set_default_exec_size(p, BRW_EXECUTE_8);
brw_set_default_compression_control(p, BRW_COMPRESSION_NONE);
brw_set_default_mask_control(p, BRW_MASK_DISABLE);
struct brw_reg reg = retype(stride(src1, 1, 4, 0), BRW_REGISTER_TYPE_UW);
struct brw_reg reg = stride(src1, 1, 4, 0);
if (dispatch_width == 8) {
brw_ADD(p, dst, src0, reg);
} else if (dispatch_width == 16) {