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intel/fs: Initialize mlen for gen7 varying pull constant load messages.

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This makes the message length available at the IR level, which should
save some guesswork in a future commit.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Francisco Jerez
2017-12-26 19:08:10 -08:00
parent 6643143f6e
commit 48d6fc5eb6
2 changed files with 5 additions and 7 deletions
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10
src/intel/compiler/brw_fs_generator.cpp
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@@ -1530,17 +1530,15 @@ fs_generator::generate_varying_pull_constant_load_gen7(fs_inst *inst,
* gen7, so the fact that it's a send message is hidden at the IR level.
*/
assert(inst->header_size == 0);
assert(!inst->mlen);
assert(inst->mlen);
assert(index.type == BRW_REGISTER_TYPE_UD);
uint32_t simd_mode, rlen, mlen;
uint32_t simd_mode, rlen;
if (inst->exec_size == 16) {
mlen = 2;
rlen = 8;
simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD16;
} else {
assert(inst->exec_size == 8);
mlen = 1;
rlen = 4;
simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD8;
}
@@ -1554,7 +1552,7 @@ fs_generator::generate_varying_pull_constant_load_gen7(fs_inst *inst,
brw_set_dest(p, send, retype(dst, BRW_REGISTER_TYPE_UW));
brw_set_src0(p, send, offset);
brw_set_desc(p, send,
brw_message_desc(devinfo, mlen, rlen, false) |
brw_message_desc(devinfo, inst->mlen, rlen, false) |
brw_sampler_desc(devinfo, surf_index,
0, /* LD message ignores sampler unit */
GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
@@ -1580,7 +1578,7 @@ fs_generator::generate_varying_pull_constant_load_gen7(fs_inst *inst,
brw_send_indirect_message(
p, BRW_SFID_SAMPLER, retype(dst, BRW_REGISTER_TYPE_UW),
offset, addr,
brw_message_desc(devinfo, mlen, rlen, false) |
brw_message_desc(devinfo, inst->mlen, rlen, false) |
brw_sampler_desc(devinfo,
0 /* surface */,
0 /* sampler */,