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intel/fs: Fix FB write message control codegen 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
2017-01-13 14:22:19 -08:00
committed by Jason Ekstrand
parent 8b788069fb
commit ce370902d4
1 changed files with 34 additions and 18 deletions
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52
src/intel/compiler/brw_fs_generator.cpp
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@@ -271,17 +271,30 @@ fs_generator::fire_fb_write(fs_inst *inst,
brw_pop_insn_state(p);
}
if (inst->opcode == FS_OPCODE_REP_FB_WRITE)
if (inst->opcode == FS_OPCODE_REP_FB_WRITE) {
assert(inst->group == 0 && inst->exec_size == 16);
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE_REPLICATED;
else if (prog_data->dual_src_blend) {
if (!inst->group)
} else if (prog_data->dual_src_blend) {
assert(inst->exec_size == 8);
if (inst->group % 16 == 0)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN01;
else
else if (inst->group % 16 == 8)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN23;
} else if (inst->exec_size == 16)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
else
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01;
else
unreachable("Invalid dual-source FB write instruction group");
} else {
assert(inst->group == 0 || (inst->group == 16 && inst->exec_size == 16));
if (inst->exec_size == 16)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
else if (inst->exec_size == 8)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01;
else
unreachable("Invalid FB write execution size");
}
/* We assume render targets start at 0, because headerless FB write
* messages set "Render Target Index" to 0. Using a different binding
@@ -289,16 +302,19 @@ fs_generator::fire_fb_write(fs_inst *inst,
*/
const uint32_t surf_index = inst->target;
brw_fb_WRITE(p,
payload,
retype(implied_header, BRW_REGISTER_TYPE_UW),
msg_control,
surf_index,
nr,
0,
inst->eot,
inst->last_rt,
inst->header_size != 0);
brw_inst *insn = brw_fb_WRITE(p,
payload,
retype(implied_header, BRW_REGISTER_TYPE_UW),
msg_control,
surf_index,
nr,
0,
inst->eot,
inst->last_rt,
inst->header_size != 0);
if (devinfo->gen >= 6)
brw_inst_set_rt_slot_group(devinfo, insn, inst->group / 16);
brw_mark_surface_used(&prog_data->base, surf_index);
}