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intel/compiler: Delete unused Gfx8+ code in brw_find_live_channel()

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We now handle this in fs_visitor::lower_find_live_channel().

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17530>
This commit is contained in:
Kenneth Graunke
2022-06-06 14:05:54 -07:00
committed by Marge Bot
parent 49ee3ae9e8
commit 9afd955353
4 changed files with 53 additions and 136 deletions
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28
src/intel/compiler/brw_fs_generator.cpp
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@@ -2343,32 +2343,12 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width,
break;
case SHADER_OPCODE_FIND_LIVE_CHANNEL: {
const bool uses_vmask =
stage == MESA_SHADER_FRAGMENT &&
brw_wm_prog_data(this->prog_data)->uses_vmask;
const struct brw_reg mask =
brw_stage_has_packed_dispatch(devinfo, stage,
prog_data) ? brw_imm_ud(~0u) :
uses_vmask ? brw_vmask_reg() : brw_dmask_reg();
brw_find_live_channel(p, dst, mask, false);
case SHADER_OPCODE_FIND_LIVE_CHANNEL:
brw_find_live_channel(p, dst, false);
break;
}
case SHADER_OPCODE_FIND_LAST_LIVE_CHANNEL: {
const bool uses_vmask =
stage == MESA_SHADER_FRAGMENT &&
brw_wm_prog_data(this->prog_data)->uses_vmask;
/* ce0 doesn't consider the thread dispatch mask, so if we want
* to find the true last enabled channel, we need to apply that too.
*/
const struct brw_reg mask =
uses_vmask ? brw_vmask_reg() : brw_dmask_reg();
brw_find_live_channel(p, dst, mask, true);
case SHADER_OPCODE_FIND_LAST_LIVE_CHANNEL:
brw_find_live_channel(p, dst, true);
break;
}
case FS_OPCODE_LOAD_LIVE_CHANNELS: {
assert(devinfo->ver >= 8);