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graphics: use per-invocation shader masks

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nmzik committed 2026-08-21 08:03:22 +02:00
1 parent 79443aa104
commit 49ea1680f8
30 files changed
+897 -1140
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterFlow.cpp
+4 -19
View File
@@ -58,13 +58,6 @@ uint32_t EmitWqmU64(EmitterState& state, uint32_t value) {
return result;
}
uint32_t BoolAsU32(ValueEmitContext& ctx, uint32_t value) {
const auto result = ctx.state.builder.AllocateId();
ctx.state.builder.AddFunction({OpSelect, TypeU32(ctx.state), result, value,
ConstantU32(ctx.state, 1), ConstantU32(ctx.state, 0)});
return result;
}
uint32_t EmitBuiltinU32(ValueEmitContext& ctx, IR::StageInputKind kind, uint32_t component) {
auto& state = ctx.state;
if (kind == IR::StageInputKind::LocalInvocationIndex) {
@@ -222,8 +215,8 @@ uint32_t ExportVector(ValueEmitContext& ctx, uint32_t data, const IR::ExportInfo
bool uint_output) {
auto& state = ctx.state;
if (exp.compr && !uint_output) {
const auto unpack = MrtOutputMode(state, exp) == 5u ? GlslUnpackUnorm2x16
: GlslUnpackHalf2x16;
const auto unpack =
MrtOutputMode(state, exp) == 5u ? GlslUnpackUnorm2x16 : GlslUnpackHalf2x16;
uint32_t f32[4] = {ConstantF32(state, 0), ConstantF32(state, 0), ConstantF32(state, 0),
ConstantF32(state, 0x3f800000u)};
for (uint32_t pair = 0; pair < 2u; pair++) {
@@ -441,16 +434,8 @@ bool EmitValueFlow(ValueEmitContext& ctx, const IR::Inst& inst) {
ctx.Define(inst, EmitSubgroupLocalInvocationId(state));
return true;
case IR::ValueOpcode::Ballot:
if (state.per_invocation_masks) {
const auto result = state.builder.AllocateId();
state.builder.AddFunction({OpCompositeConstruct, TypeU32Vector(state, 4), result,
BoolAsU32(ctx, ctx.Arg(inst, 0)), ConstantU32(state, 0),
ConstantU32(state, 0), ConstantU32(state, 0)});
ctx.Define(inst, result);
} else {
ctx.Emit(inst, OpGroupNonUniformBallot, IR::Type::U32x4,
{ConstantU32(state, ScopeSubgroup), ctx.Arg(inst, 0)});
}
ctx.Emit(inst, OpGroupNonUniformBallot, IR::Type::U32x4,
{ConstantU32(state, ScopeSubgroup), ctx.Arg(inst, 0)});
return true;
case IR::ValueOpcode::ReadFirstLane: {
const auto ballot = state.builder.AllocateId();