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shader: fix scalar memory loads

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This commit is contained in:
nmzik
2026-09-27 21:28:16 +04:00
parent 609de519d7
commit e68b9b8d37
3 changed files with 63 additions and 6 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterMemory.cpp
+8 -1
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@@ -146,7 +146,12 @@ uint32_t GuestAddress(ValueEmitContext& ctx, const IR::Inst& inst, const IR::Mem
ctx.Fail(inst, "has no address base pair");
return ConstantDeviceAddress(state, 0);
}
const auto base = DeviceAddressFromWords(state, ctx.Arg(*handle, 0), ctx.Arg(*handle, 1));
auto base_low = ctx.Arg(*handle, 0);
if (mem.kind == IR::ResourceKind::ScalarAddress) {
base_low = Binary(state, spv::OpBitwiseAnd, TypeU32(state), base_low,
ConstantU32(state, ~3u));
}
const auto base = DeviceAddressFromWords(state, base_low, ctx.Arg(*handle, 1));
address = Binary(state, spv::OpIAdd, TypeScalarU64(state), base,
Unary(state, spv::OpUConvert, TypeScalarU64(state), low));
}
@@ -1198,6 +1203,8 @@ void EmitLoadMemory(ValueEmitContext& ctx, const IR::Inst& inst) {
value = LoadWideBuffer(ctx, inst, buffer_components);
else if (shared_components > 1u)
value = LoadWideShared(ctx, inst, shared_components);
else if (mem.kind == IR::ResourceKind::ScalarAddress)
value = LoadBdaDword(ctx, GuestAddress(ctx, inst, mem));
else if (address_info.access == IR::AddressAccess::Read &&
mem.kind != IR::ResourceKind::Scratch)
value = LoadBda(ctx, GuestAddress(ctx, inst, mem), ctx.Arg(inst, inst.NumArgs() - 1),