diff options
| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-22 16:33:44 -0700 |
|---|---|---|
| committer | Jordan Justen <jordan.l.justen@intel.com> | 2016-05-23 10:15:25 -0700 |
| commit | 6717700397a44aaa7cd76b56c6cc9831e0537643 (patch) | |
| tree | 1390201faccdbc774b207f7b7730dc1a3cd42fef | |
| parent | 27c84fe751511122702edefe4f2a49d353ea87f5 (diff) | |
i965: Add nir channel_num system value
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
| -rw-r--r-- | src/compiler/nir/nir_intrinsics.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_intrinsics.h b/src/compiler/nir/nir_intrinsics.h index aeb6038267..6f86c9f95f 100644 --- a/src/compiler/nir/nir_intrinsics.h +++ b/src/compiler/nir/nir_intrinsics.h @@ -304,6 +304,7 @@ SYSTEM_VALUE(work_group_id, 3, 0, xx, xx, xx) SYSTEM_VALUE(user_clip_plane, 4, 1, UCP_ID, xx, xx) SYSTEM_VALUE(num_work_groups, 3, 0, xx, xx, xx) SYSTEM_VALUE(helper_invocation, 1, 0, xx, xx, xx) +SYSTEM_VALUE(channel_num, 1, 0, xx, xx, xx) /* * Load operations pull data from some piece of GPU memory. All load diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 2e8d8af9be..95f6281288 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -3880,6 +3880,20 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr break; } + case nir_intrinsic_load_channel_num: { + const fs_builder bld8 = bld.group(8, 0); + fs_reg word_channels = bld.vgrf(BRW_REGISTER_TYPE_UW); + dest = retype(dest, BRW_REGISTER_TYPE_UD); + bld8.MOV(word_channels, brw_imm_uv(0x76543210)); + if (dispatch_width > 8) { + bld8.MOV(byte_offset(word_channels, 16), brw_imm_uv(0xfedcba98)); + } + bld.MOV(dest, word_channels); + if (dispatch_width > 16) + unreachable("Support SIMD32 for channel_num is missing"); + break; + } + default: unreachable("unknown intrinsic"); } |