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Merge pull request #7800 from ameerj/spirv-int64-storage

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spirv_atomic: Define U32x2 storage buffers for 64-bit storage atomics
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Morph 2022-01-28 20:03:50 -05:00 committed by GitHub
commit 64a68ccbb4
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2 changed files with 3 additions and 3 deletions
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4
src/shader_recompiler/backend/spirv/emit_spirv_atomic.cpp
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@ -74,7 +74,7 @@ Id StorageAtomicU64(EmitContext& ctx, const IR::Value& binding, const IR::Value&
const auto [scope, semantics]{AtomicArgs(ctx)}; const auto [scope, semantics]{AtomicArgs(ctx)};
return (ctx.*atomic_func)(ctx.U64, pointer, scope, semantics, value); return (ctx.*atomic_func)(ctx.U64, pointer, scope, semantics, value);
} }
LOG_ERROR(Shader_SPIRV, "Int64 atomics not supported, fallback to non-atomic"); LOG_WARNING(Shader_SPIRV, "Int64 atomics not supported, fallback to non-atomic");
const Id pointer{StoragePointer(ctx, ctx.storage_types.U32x2, &StorageDefinitions::U32x2, const Id pointer{StoragePointer(ctx, ctx.storage_types.U32x2, &StorageDefinitions::U32x2,
binding, offset, sizeof(u32[2]))}; binding, offset, sizeof(u32[2]))};
const Id original_value{ctx.OpBitcast(ctx.U64, ctx.OpLoad(ctx.U32[2], pointer))}; const Id original_value{ctx.OpBitcast(ctx.U64, ctx.OpLoad(ctx.U32[2], pointer))};
@ -267,7 +267,7 @@ Id EmitStorageAtomicExchange64(EmitContext& ctx, const IR::Value& binding, const
const auto [scope, semantics]{AtomicArgs(ctx)}; const auto [scope, semantics]{AtomicArgs(ctx)};
return ctx.OpAtomicExchange(ctx.U64, pointer, scope, semantics, value); return ctx.OpAtomicExchange(ctx.U64, pointer, scope, semantics, value);
} }
LOG_ERROR(Shader_SPIRV, "Int64 atomics not supported, fallback to non-atomic"); LOG_WARNING(Shader_SPIRV, "Int64 atomics not supported, fallback to non-atomic");
const Id pointer{StoragePointer(ctx, ctx.storage_types.U32x2, &StorageDefinitions::U32x2, const Id pointer{StoragePointer(ctx, ctx.storage_types.U32x2, &StorageDefinitions::U32x2,
binding, offset, sizeof(u32[2]))}; binding, offset, sizeof(u32[2]))};
const Id original{ctx.OpBitcast(ctx.U64, ctx.OpLoad(ctx.U32[2], pointer))}; const Id original{ctx.OpBitcast(ctx.U64, ctx.OpLoad(ctx.U32[2], pointer))};

2
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
View file

@ -688,7 +688,7 @@ void VisitUsages(Info& info, IR::Inst& inst) {
case IR::Opcode::StorageAtomicAnd64: case IR::Opcode::StorageAtomicAnd64:
case IR::Opcode::StorageAtomicOr64: case IR::Opcode::StorageAtomicOr64:
case IR::Opcode::StorageAtomicXor64: case IR::Opcode::StorageAtomicXor64:
info.used_storage_buffer_types |= IR::Type::U64; info.used_storage_buffer_types |= IR::Type::U64 | IR::Type::U32x2;
info.uses_int64_bit_atomics = true; info.uses_int64_bit_atomics = true;
break; break;
case IR::Opcode::BindlessImageAtomicIAdd32: case IR::Opcode::BindlessImageAtomicIAdd32: