openharmony/third_party_mesa3d
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_mesa3d synced 2024-12-17 21:36:58 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

i965: Allocate scratch space for the maximum number of compute threads.

Browse Source 
We were allocating enough space for the number of threads per subslice,
when we should have been allocating space for the number of threads in
the entire GPU.

Even though we currently run with a reduced thread count (due to a bug),
we might still overflow the scratch buffer because the address
calculation is based on the FFTID, which can depend on exactly which
threads, EUs, and threads are executing.  We need to allocate enough
for every possible thread that could run.

Fixes rendering corruption in Synmark's Gl43CSDof on Gen8+.
Earlier platforms need additional bug fixes.

Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Kenneth Graunke 2016-06-06 21:37:34 -07:00
parent 9cd8f95809
commit 2213ffdb4b
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/mesa/drivers/dri/i965/brw_cs.c
View File

@ -149,8 +149,10 @@ brw_codegen_cs_prog(struct brw_context *brw,
}
if (prog_data.base.total_scratch) {
const unsigned subslices = MAX2(brw->intelScreen->subslice_total, 1);
brw_get_scratch_bo(brw, &brw->cs.base.scratch_bo,
prog_data.base.total_scratch * brw->max_cs_threads);
prog_data.base.total_scratch *
brw->max_cs_threads * subslices);
}
if (unlikely(INTEL_DEBUG & DEBUG_CS))