fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-03-12 11:10:34 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

ac: properly document a buffer.store LLVM workaround

Browse source 
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-09-30 15:36:18 +02:00
parent cceb916456
commit bcd3e761a3
2 changed files with 9 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/amd/common/ac_llvm_build.c
View file

@ -760,10 +760,13 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
bool glc,
bool slc,
bool writeonly_memory,
bool has_add_tid)
bool swizzle_enable_hint)
{
/* TODO: Fix stores with ADD_TID and remove the "has_add_tid" flag. */
if (!has_add_tid) {
/* SWIZZLE_ENABLE requires that soffset isn't folded into voffset
* (voffset is swizzled, but soffset isn't swizzled).
* llvm.amdgcn.buffer.store doesn't have a separate soffset parameter.
*/
if (!swizzle_enable_hint) {
/* Split 3 channel stores, becase LLVM doesn't support 3-channel
* intrinsics. */
if (num_channels == 3) {
@ -777,11 +780,11 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
ac_build_buffer_store_dword(ctx, rsrc, v01, 2, voffset,
soffset, inst_offset, glc, slc,
writeonly_memory, has_add_tid);
writeonly_memory, swizzle_enable_hint);
ac_build_buffer_store_dword(ctx, rsrc, v[2], 1, voffset,
soffset, inst_offset + 8,
glc, slc,
writeonly_memory, has_add_tid);
writeonly_memory, swizzle_enable_hint);
return;
}

2
src/amd/common/ac_llvm_build.h
View file

@ -170,7 +170,7 @@ ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
bool glc,
bool slc,
bool writeonly_memory,
bool has_add_tid);
bool swizzle_enable_hint);
LLVMValueRef
ac_build_buffer_load(struct ac_llvm_context *ctx,
LLVMValueRef rsrc,