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intel/fs: Lower Byte scattered r/w messages to LSC when available

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v2 (Jason Ekstrand):
 - Squash in brw_scheduler changes
 - Update brw_ir_performance

Co-authored-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11600>
This commit is contained in:
Sagar Ghuge
2021-04-29 23:58:26 -07:00
committed by Marge Bot
parent 8f82c8aa1a
commit 621cf9b1df
3 changed files with 39 additions and 2 deletions
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src/intel/compiler/brw_fs.cpp
+35 -2
View File
@@ -5893,6 +5893,19 @@ brw_atomic_op_to_lsc_fatomic_op(uint32_t aop)
}
}
static enum lsc_data_size
lsc_bits_to_data_size(unsigned bit_size)
{
switch (bit_size / 8) {
case 1: return LSC_DATA_SIZE_D8U32;
case 2: return LSC_DATA_SIZE_D16U32;
case 4: return LSC_DATA_SIZE_D32;
case 8: return LSC_DATA_SIZE_D64;
default:
unreachable("Unsupported data size.");
}
}
static void
lower_lsc_surface_logical_send(const fs_builder &bld, fs_inst *inst)
{
@@ -5986,6 +5999,26 @@ lower_lsc_surface_logical_send(const fs_builder &bld, fs_inst *inst)
!inst->dst.is_null());
break;
}
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
inst->desc = lsc_msg_desc(devinfo, LSC_OP_LOAD, inst->exec_size,
surf_type, LSC_ADDR_SIZE_A32,
1 /* num_coordinates */,
lsc_bits_to_data_size(arg.ud),
1 /* num_channels */,
false /* transpose */,
LSC_CACHE_LOAD_L1STATE_L3MOCS,
true /* has_dest */);
break;
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
inst->desc = lsc_msg_desc(devinfo, LSC_OP_STORE, inst->exec_size,
surf_type, LSC_ADDR_SIZE_A32,
1 /* num_coordinates */,
lsc_bits_to_data_size(arg.ud),
1 /* num_channels */,
false /* transpose */,
LSC_CACHE_STORE_L1STATE_L3MOCS,
false /* has_dest */);
break;
default:
unreachable("Unknown surface logical instruction");
}
@@ -6603,12 +6636,12 @@ fs_visitor::lower_logical_sends()
case SHADER_OPCODE_UNTYPED_SURFACE_WRITE_LOGICAL:
case SHADER_OPCODE_UNTYPED_ATOMIC_LOGICAL:
case SHADER_OPCODE_UNTYPED_ATOMIC_FLOAT_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
if (devinfo->has_lsc) {
lower_lsc_surface_logical_send(ibld, inst);
break;
}
case SHADER_OPCODE_BYTE_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_BYTE_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_READ_LOGICAL:
case SHADER_OPCODE_DWORD_SCATTERED_WRITE_LOGICAL:
case SHADER_OPCODE_TYPED_SURFACE_READ_LOGICAL: