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-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv.h1
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp4
-rw-r--r--src/shader_recompiler/frontend/ir/ir_emitter.cpp4
-rw-r--r--src/shader_recompiler/frontend/ir/ir_emitter.h2
-rw-r--r--src/shader_recompiler/frontend/ir/opcodes.inc1
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp2
-rw-r--r--src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp1
7 files changed, 15 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h
index 749ad1240..17a452e0e 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.h
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.h
@@ -71,6 +71,7 @@ void EmitSetMXFlag(EmitContext& ctx);
Id EmitWorkgroupId(EmitContext& ctx);
Id EmitLocalInvocationId(EmitContext& ctx);
Id EmitLoadLocal(EmitContext& ctx, Id word_offset);
+Id EmitLaneId(EmitContext& ctx);
void EmitWriteLocal(EmitContext& ctx, Id word_offset, Id value);
Id EmitUndefU1(EmitContext& ctx);
Id EmitUndefU8(EmitContext& ctx);
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
index a96ee6f0d..f13c0ee72 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
@@ -303,6 +303,10 @@ Id EmitLocalInvocationId(EmitContext& ctx) {
return ctx.OpLoad(ctx.U32[3], ctx.local_invocation_id);
}
+Id EmitLaneId(EmitContext& ctx) {
+ return ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id);
+}
+
Id EmitLoadLocal(EmitContext& ctx, Id word_offset) {
const Id pointer{ctx.OpAccessChain(ctx.private_u32, ctx.local_memory, word_offset)};
return ctx.OpLoad(ctx.U32[1], pointer);
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index 2fd90303f..b5f61956a 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -355,6 +355,10 @@ U32 IREmitter::LocalInvocationIdZ() {
return U32{CompositeExtract(Inst(Opcode::LocalInvocationId), 2)};
}
+U32 IREmitter::LaneId() {
+ return Inst<U32>(Opcode::LaneId);
+}
+
U32 IREmitter::LoadGlobalU8(const U64& address) {
return Inst<U32>(Opcode::LoadGlobalU8, address);
}
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 5bebf66e3..e034d672f 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -97,6 +97,8 @@ public:
[[nodiscard]] U32 LocalInvocationIdY();
[[nodiscard]] U32 LocalInvocationIdZ();
+ [[nodiscard]] U32 LaneId();
+
[[nodiscard]] U32 LoadGlobalU8(const U64& address);
[[nodiscard]] U32 LoadGlobalS8(const U64& address);
[[nodiscard]] U32 LoadGlobalU16(const U64& address);
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index d9e0d5471..74e956930 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -63,6 +63,7 @@ OPCODE(SetTRFlag, Void, U1,
OPCODE(SetMXFlag, Void, U1, )
OPCODE(WorkgroupId, U32x3, )
OPCODE(LocalInvocationId, U32x3, )
+OPCODE(LaneId, U32, )
// Undefined
OPCODE(UndefU1, U1, )
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp
index a295f4c5e..731ac643f 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/move_special_register.cpp
@@ -99,6 +99,8 @@ enum class SpecialRegister : u64 {
return ir.Imm32(Common::BitCast<u32>(1.0f));
case SpecialRegister::SR_WSCALEFACTOR_Z:
return ir.Imm32(Common::BitCast<u32>(1.0f));
+ case SpecialRegister::SR_LANEID:
+ return ir.LaneId();
default:
throw NotImplementedException("S2R special register {}", special_register);
}
diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
index 514de6838..5c1b81638 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -340,6 +340,7 @@ void VisitUsages(Info& info, IR::Inst& inst) {
case IR::Opcode::ShuffleUp:
case IR::Opcode::ShuffleDown:
case IR::Opcode::ShuffleButterfly:
+ case IR::Opcode::LaneId:
info.uses_subgroup_invocation_id = true;
break;
case IR::Opcode::GetCbufU8: