From: Francisco Jerez <curroje...@riseup.net>
Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
---
src/intel/compiler/brw_fs.cpp | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 9d90d11..6a1fca3 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -4199,12 +4199,21 @@ lower_fb_write_logical_send(const fs_builder &bld,
fs_inst *inst,
static void
lower_fb_read_logical_send(const fs_builder &bld, fs_inst *inst)
{
- const fs_builder &ubld = bld.exec_all();
+ const fs_builder &ubld = bld.exec_all().group(8, 0);
const unsigned length = 2;
- const fs_reg header = ubld.group(8, 0).vgrf(BRW_REGISTER_TYPE_UD, length);
+ const fs_reg header = ubld.vgrf(BRW_REGISTER_TYPE_UD, length);
- ubld.group(16, 0)
- .MOV(header, retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD));
+ if (bld.group() < 16) {
+ ubld.group(16, 0).MOV(header, retype(brw_vec8_grf(0, 0),
+ BRW_REGISTER_TYPE_UD));
+ } else {
+ assert(bld.group() < 32);
+ const fs_reg header_sources[] = {
+ retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD),
+ retype(brw_vec8_grf(2, 0), BRW_REGISTER_TYPE_UD)
+ };
+ ubld.LOAD_PAYLOAD(header, header_sources, ARRAY_SIZE(header_sources), 0);
+ }
inst->resize_sources(1);
inst->src[0] = header;
--
2.5.0.400.gff86faf
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