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| author | Jordan Justen <jordan.l.justen@intel.com> | 2016-02-20 01:22:08 -0800 |
|---|---|---|
| committer | Jordan Justen <jordan.l.justen@intel.com> | 2016-03-08 14:27:18 -0800 |
| commit | a100a57e30010da49c96f84a661cec9c57f9eebe (patch) | |
| tree | 62ea6932144f326b0df87cf4ef3a70660d54008f | |
| parent | d8347f12ead89c5a58f69ce9283a54ac8487159c (diff) | |
| download | external_mesa3d-a100a57e30010da49c96f84a661cec9c57f9eebe.zip external_mesa3d-a100a57e30010da49c96f84a661cec9c57f9eebe.tar.gz external_mesa3d-a100a57e30010da49c96f84a661cec9c57f9eebe.tar.bz2 | |
i965/hsw: Initialize SLM index in state register
For Haswell, we need to initialize the SLM index in the state
register. This can be copied out of the CS header dword 0.
v2:
* Use UW move to avoid changing upper 16-bits of sr0.1 (mattst88)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94081
Fixes: piglit arb_compute_shader/execution/shared-atomics.shader_test
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: "11.2" <mesa-stable@lists.freedesktop.org>
Tested-by: Ilia Mirkin <imirkin@alum.mit.edu> (v1)
Reviewed-by: Matt Turner <mattst88@gmail.com>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 7 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_reg.h | 16 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index b5404e1..ff67cf4 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -5470,6 +5470,13 @@ fs_visitor::run_cs() if (shader_time_index >= 0) emit_shader_time_begin(); + if (devinfo->is_haswell && prog_data->total_shared > 0) { + /* Move SLM index from g0.0[27:24] to sr0.1[11:8] */ + const fs_builder abld = bld.exec_all().group(1, 0); + abld.MOV(retype(suboffset(brw_sr0_reg(), 1), BRW_REGISTER_TYPE_UW), + suboffset(retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW), 1)); + } + emit_nir_code(); if (failed) diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h index 74ff67f..4f9b252 100644 --- a/src/mesa/drivers/dri/i965/brw_reg.h +++ b/src/mesa/drivers/dri/i965/brw_reg.h @@ -740,6 +740,22 @@ brw_notification_reg(void) } static inline struct brw_reg +brw_sr0_reg(void) +{ + return brw_reg(BRW_ARCHITECTURE_REGISTER_FILE, + BRW_ARF_STATE, + 0, + 0, + 0, + BRW_REGISTER_TYPE_UD, + BRW_VERTICAL_STRIDE_8, + BRW_WIDTH_8, + BRW_HORIZONTAL_STRIDE_1, + BRW_SWIZZLE_XYZW, + WRITEMASK_XYZW); +} + +static inline struct brw_reg brw_acc_reg(unsigned width) { return brw_vecn_reg(width, BRW_ARCHITECTURE_REGISTER_FILE, |