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authorBoyan Ding <[email protected]>2017-04-10 22:56:03 +0800
committerIlia Mirkin <[email protected]>2017-04-13 02:25:08 -0400
commit48d00779d00d64b46bea44a26e736455ff801d3a (patch)
treef89289a78cd3bdd0afaf45aa628f991a24346a62 /src/gallium
parentf7787f224f401ea736037b74a413af50c226445e (diff)
nvc0/ir: Implement TGSI_SEMANTIC_SUBGROUP_*
Signed-off-by: Boyan Ding <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 3ed7d345c4b..1bd01a9a32f 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -450,6 +450,12 @@ static nv50_ir::SVSemantic translateSysVal(uint sysval)
case TGSI_SEMANTIC_BASEINSTANCE: return nv50_ir::SV_BASEINSTANCE;
case TGSI_SEMANTIC_DRAWID: return nv50_ir::SV_DRAWID;
case TGSI_SEMANTIC_WORK_DIM: return nv50_ir::SV_WORK_DIM;
+ case TGSI_SEMANTIC_SUBGROUP_INVOCATION: return nv50_ir::SV_LANEID;
+ case TGSI_SEMANTIC_SUBGROUP_EQ_MASK: return nv50_ir::SV_LANEMASK_EQ;
+ case TGSI_SEMANTIC_SUBGROUP_LT_MASK: return nv50_ir::SV_LANEMASK_LT;
+ case TGSI_SEMANTIC_SUBGROUP_LE_MASK: return nv50_ir::SV_LANEMASK_LE;
+ case TGSI_SEMANTIC_SUBGROUP_GT_MASK: return nv50_ir::SV_LANEMASK_GT;
+ case TGSI_SEMANTIC_SUBGROUP_GE_MASK: return nv50_ir::SV_LANEMASK_GE;
default:
assert(0);
return nv50_ir::SV_CLOCK;
@@ -1667,6 +1673,8 @@ private:
Symbol *srcToSym(tgsi::Instruction::SrcRegister, int c);
Symbol *dstToSym(tgsi::Instruction::DstRegister, int c);
+ bool isSubGroupMask(uint8_t semantic);
+
bool handleInstruction(const struct tgsi_full_instruction *);
void exportOutputs();
inline Subroutine *getSubroutine(unsigned ip);
@@ -1996,6 +2004,21 @@ Converter::adjustTempIndex(int arrayId, int &idx, int &idx2d) const
idx += it->second;
}
+bool
+Converter::isSubGroupMask(uint8_t semantic)
+{
+ switch (semantic) {
+ case TGSI_SEMANTIC_SUBGROUP_EQ_MASK:
+ case TGSI_SEMANTIC_SUBGROUP_LT_MASK:
+ case TGSI_SEMANTIC_SUBGROUP_LE_MASK:
+ case TGSI_SEMANTIC_SUBGROUP_GT_MASK:
+ case TGSI_SEMANTIC_SUBGROUP_GE_MASK:
+ return true;
+ default:
+ return false;
+ }
+}
+
Value *
Converter::fetchSrc(tgsi::Instruction::SrcRegister src, int c, Value *ptr)
{
@@ -2041,6 +2064,10 @@ Converter::fetchSrc(tgsi::Instruction::SrcRegister src, int c, Value *ptr)
if (info->sv[idx].sn == TGSI_SEMANTIC_THREAD_ID &&
info->prop.cp.numThreads[swz] == 1)
return loadImm(NULL, 0u);
+ if (isSubGroupMask(info->sv[idx].sn) && swz > 0)
+ return loadImm(NULL, 0u);
+ if (info->sv[idx].sn == TGSI_SEMANTIC_SUBGROUP_SIZE)
+ return loadImm(NULL, 32u);
ld = mkOp1(OP_RDSV, TYPE_U32, getSSA(), srcToSym(src, c));
ld->perPatch = info->sv[idx].patch;
return ld->getDef(0);