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intel/fs: Fix FB read header setup for SIMD32.

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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Francisco Jerez
2017-01-09 16:43:24 -08:00
committed by Jason Ekstrand
parent e06f5b30cc
commit 2aefa5e19f
1 changed files with 13 additions and 4 deletions
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17
src/intel/compiler/brw_fs.cpp
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@@ -4187,12 +4187,21 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
static void static void
lower_fb_read_logical_send(const fs_builder &bld, fs_inst *inst) 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 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) if (bld.group() < 16) {
.MOV(header, retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD)); 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->resize_sources(1);
inst->src[0] = header; inst->src[0] = header;