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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/ast/call_statement.h"
#include "src/sem/call.h"
#include "src/writer/msl/test_helper.h"
namespace tint {
namespace writer {
namespace msl {
namespace {
using IntrinsicType = sem::IntrinsicType;
using MslGeneratorImplTest = TestHelper;
enum class ParamType {
kF32,
kU32,
kBool,
};
struct IntrinsicData {
IntrinsicType intrinsic;
ParamType type;
const char* msl_name;
};
inline std::ostream& operator<<(std::ostream& out, IntrinsicData data) {
out << data.msl_name << "<";
switch (data.type) {
case ParamType::kF32:
out << "f32";
break;
case ParamType::kU32:
out << "u32";
break;
case ParamType::kBool:
out << "bool";
break;
}
out << ">";
return out;
}
const ast::CallExpression* GenerateCall(IntrinsicType intrinsic,
ParamType type,
ProgramBuilder* builder) {
std::string name;
std::ostringstream str(name);
str << intrinsic;
switch (intrinsic) {
case IntrinsicType::kAcos:
case IntrinsicType::kAsin:
case IntrinsicType::kAtan:
case IntrinsicType::kCeil:
case IntrinsicType::kCos:
case IntrinsicType::kCosh:
case IntrinsicType::kDpdx:
case IntrinsicType::kDpdxCoarse:
case IntrinsicType::kDpdxFine:
case IntrinsicType::kDpdy:
case IntrinsicType::kDpdyCoarse:
case IntrinsicType::kDpdyFine:
case IntrinsicType::kExp:
case IntrinsicType::kExp2:
case IntrinsicType::kFloor:
case IntrinsicType::kFract:
case IntrinsicType::kFwidth:
case IntrinsicType::kFwidthCoarse:
case IntrinsicType::kFwidthFine:
case IntrinsicType::kInverseSqrt:
case IntrinsicType::kIsFinite:
case IntrinsicType::kIsInf:
case IntrinsicType::kIsNan:
case IntrinsicType::kIsNormal:
case IntrinsicType::kLength:
case IntrinsicType::kLog:
case IntrinsicType::kLog2:
case IntrinsicType::kNormalize:
case IntrinsicType::kRound:
case IntrinsicType::kSin:
case IntrinsicType::kSinh:
case IntrinsicType::kSqrt:
case IntrinsicType::kTan:
case IntrinsicType::kTanh:
case IntrinsicType::kTrunc:
case IntrinsicType::kSign:
return builder->Call(str.str(), "f2");
case IntrinsicType::kLdexp:
return builder->Call(str.str(), "f2", "i2");
case IntrinsicType::kAtan2:
case IntrinsicType::kDot:
case IntrinsicType::kDistance:
case IntrinsicType::kPow:
case IntrinsicType::kReflect:
case IntrinsicType::kStep:
return builder->Call(str.str(), "f2", "f2");
case IntrinsicType::kStorageBarrier:
return builder->Call(str.str());
case IntrinsicType::kCross:
return builder->Call(str.str(), "f3", "f3");
case IntrinsicType::kFma:
case IntrinsicType::kMix:
case IntrinsicType::kFaceForward:
case IntrinsicType::kSmoothStep:
return builder->Call(str.str(), "f2", "f2", "f2");
case IntrinsicType::kAll:
case IntrinsicType::kAny:
return builder->Call(str.str(), "b2");
case IntrinsicType::kAbs:
if (type == ParamType::kF32) {
return builder->Call(str.str(), "f2");
} else {
return builder->Call(str.str(), "u2");
}
case IntrinsicType::kCountOneBits:
case IntrinsicType::kReverseBits:
return builder->Call(str.str(), "u2");
case IntrinsicType::kMax:
case IntrinsicType::kMin:
if (type == ParamType::kF32) {
return builder->Call(str.str(), "f2", "f2");
} else {
return builder->Call(str.str(), "u2", "u2");
}
case IntrinsicType::kClamp:
if (type == ParamType::kF32) {
return builder->Call(str.str(), "f2", "f2", "f2");
} else {
return builder->Call(str.str(), "u2", "u2", "u2");
}
case IntrinsicType::kSelect:
return builder->Call(str.str(), "f2", "f2", "b2");
case IntrinsicType::kDeterminant:
return builder->Call(str.str(), "m2x2");
case IntrinsicType::kPack2x16snorm:
case IntrinsicType::kPack2x16unorm:
return builder->Call(str.str(), "f2");
case IntrinsicType::kPack4x8snorm:
case IntrinsicType::kPack4x8unorm:
return builder->Call(str.str(), "f4");
case IntrinsicType::kUnpack4x8snorm:
case IntrinsicType::kUnpack4x8unorm:
case IntrinsicType::kUnpack2x16snorm:
case IntrinsicType::kUnpack2x16unorm:
return builder->Call(str.str(), "u1");
case IntrinsicType::kWorkgroupBarrier:
return builder->Call(str.str());
case IntrinsicType::kTranspose:
return builder->Call(str.str(), "m3x2");
default:
break;
}
return nullptr;
}
using MslIntrinsicTest = TestParamHelper<IntrinsicData>;
TEST_P(MslIntrinsicTest, Emit) {
auto param = GetParam();
Global("f2", ty.vec2<f32>(), ast::StorageClass::kPrivate);
Global("f3", ty.vec3<f32>(), ast::StorageClass::kPrivate);
Global("f4", ty.vec4<f32>(), ast::StorageClass::kPrivate);
Global("u1", ty.u32(), ast::StorageClass::kPrivate);
Global("u2", ty.vec2<u32>(), ast::StorageClass::kPrivate);
Global("i2", ty.vec2<i32>(), ast::StorageClass::kPrivate);
Global("b2", ty.vec2<bool>(), ast::StorageClass::kPrivate);
Global("m2x2", ty.mat2x2<f32>(), ast::StorageClass::kPrivate);
Global("m3x2", ty.mat3x2<f32>(), ast::StorageClass::kPrivate);
auto* call = GenerateCall(param.intrinsic, param.type, this);
ASSERT_NE(nullptr, call) << "Unhandled intrinsic";
Func("func", {}, ty.void_(), {Ignore(call)},
{create<ast::StageDecoration>(ast::PipelineStage::kFragment)});
GeneratorImpl& gen = Build();
auto* sem = program->Sem().Get(call);
ASSERT_NE(sem, nullptr);
auto* target = sem->Target();
ASSERT_NE(target, nullptr);
auto* intrinsic = target->As<sem::Intrinsic>();
ASSERT_NE(intrinsic, nullptr);
EXPECT_EQ(gen.generate_builtin_name(intrinsic), param.msl_name);
}
INSTANTIATE_TEST_SUITE_P(
MslGeneratorImplTest,
MslIntrinsicTest,
testing::Values(
IntrinsicData{IntrinsicType::kAbs, ParamType::kF32, "fabs"},
IntrinsicData{IntrinsicType::kAbs, ParamType::kU32, "abs"},
IntrinsicData{IntrinsicType::kAcos, ParamType::kF32, "acos"},
IntrinsicData{IntrinsicType::kAll, ParamType::kBool, "all"},
IntrinsicData{IntrinsicType::kAny, ParamType::kBool, "any"},
IntrinsicData{IntrinsicType::kAsin, ParamType::kF32, "asin"},
IntrinsicData{IntrinsicType::kAtan, ParamType::kF32, "atan"},
IntrinsicData{IntrinsicType::kAtan2, ParamType::kF32, "atan2"},
IntrinsicData{IntrinsicType::kCeil, ParamType::kF32, "ceil"},
IntrinsicData{IntrinsicType::kClamp, ParamType::kF32, "clamp"},
IntrinsicData{IntrinsicType::kClamp, ParamType::kU32, "clamp"},
IntrinsicData{IntrinsicType::kCos, ParamType::kF32, "cos"},
IntrinsicData{IntrinsicType::kCosh, ParamType::kF32, "cosh"},
IntrinsicData{IntrinsicType::kCountOneBits, ParamType::kU32,
"popcount"},
IntrinsicData{IntrinsicType::kCross, ParamType::kF32, "cross"},
IntrinsicData{IntrinsicType::kDeterminant, ParamType::kF32,
"determinant"},
IntrinsicData{IntrinsicType::kDistance, ParamType::kF32, "distance"},
IntrinsicData{IntrinsicType::kDot, ParamType::kF32, "dot"},
IntrinsicData{IntrinsicType::kDpdx, ParamType::kF32, "dfdx"},
IntrinsicData{IntrinsicType::kDpdxCoarse, ParamType::kF32, "dfdx"},
IntrinsicData{IntrinsicType::kDpdxFine, ParamType::kF32, "dfdx"},
IntrinsicData{IntrinsicType::kDpdy, ParamType::kF32, "dfdy"},
IntrinsicData{IntrinsicType::kDpdyCoarse, ParamType::kF32, "dfdy"},
IntrinsicData{IntrinsicType::kDpdyFine, ParamType::kF32, "dfdy"},
IntrinsicData{IntrinsicType::kExp, ParamType::kF32, "exp"},
IntrinsicData{IntrinsicType::kExp2, ParamType::kF32, "exp2"},
IntrinsicData{IntrinsicType::kFaceForward, ParamType::kF32,
"faceforward"},
IntrinsicData{IntrinsicType::kFloor, ParamType::kF32, "floor"},
IntrinsicData{IntrinsicType::kFma, ParamType::kF32, "fma"},
IntrinsicData{IntrinsicType::kFract, ParamType::kF32, "fract"},
IntrinsicData{IntrinsicType::kFwidth, ParamType::kF32, "fwidth"},
IntrinsicData{IntrinsicType::kFwidthCoarse, ParamType::kF32, "fwidth"},
IntrinsicData{IntrinsicType::kFwidthFine, ParamType::kF32, "fwidth"},
IntrinsicData{IntrinsicType::kInverseSqrt, ParamType::kF32, "rsqrt"},
IntrinsicData{IntrinsicType::kIsFinite, ParamType::kF32, "isfinite"},
IntrinsicData{IntrinsicType::kIsInf, ParamType::kF32, "isinf"},
IntrinsicData{IntrinsicType::kIsNan, ParamType::kF32, "isnan"},
IntrinsicData{IntrinsicType::kIsNormal, ParamType::kF32, "isnormal"},
IntrinsicData{IntrinsicType::kLdexp, ParamType::kF32, "ldexp"},
IntrinsicData{IntrinsicType::kLength, ParamType::kF32, "length"},
IntrinsicData{IntrinsicType::kLog, ParamType::kF32, "log"},
IntrinsicData{IntrinsicType::kLog2, ParamType::kF32, "log2"},
IntrinsicData{IntrinsicType::kMax, ParamType::kF32, "fmax"},
IntrinsicData{IntrinsicType::kMax, ParamType::kU32, "max"},
IntrinsicData{IntrinsicType::kMin, ParamType::kF32, "fmin"},
IntrinsicData{IntrinsicType::kMin, ParamType::kU32, "min"},
IntrinsicData{IntrinsicType::kNormalize, ParamType::kF32, "normalize"},
IntrinsicData{IntrinsicType::kPack4x8snorm, ParamType::kF32,
"pack_float_to_snorm4x8"},
IntrinsicData{IntrinsicType::kPack4x8unorm, ParamType::kF32,
"pack_float_to_unorm4x8"},
IntrinsicData{IntrinsicType::kPack2x16snorm, ParamType::kF32,
"pack_float_to_snorm2x16"},
IntrinsicData{IntrinsicType::kPack2x16unorm, ParamType::kF32,
"pack_float_to_unorm2x16"},
IntrinsicData{IntrinsicType::kPow, ParamType::kF32, "pow"},
IntrinsicData{IntrinsicType::kReflect, ParamType::kF32, "reflect"},
IntrinsicData{IntrinsicType::kReverseBits, ParamType::kU32,
"reverse_bits"},
IntrinsicData{IntrinsicType::kRound, ParamType::kU32, "rint"},
IntrinsicData{IntrinsicType::kSelect, ParamType::kF32, "select"},
IntrinsicData{IntrinsicType::kSign, ParamType::kF32, "sign"},
IntrinsicData{IntrinsicType::kSin, ParamType::kF32, "sin"},
IntrinsicData{IntrinsicType::kSinh, ParamType::kF32, "sinh"},
IntrinsicData{IntrinsicType::kSmoothStep, ParamType::kF32,
"smoothstep"},
IntrinsicData{IntrinsicType::kSqrt, ParamType::kF32, "sqrt"},
IntrinsicData{IntrinsicType::kStep, ParamType::kF32, "step"},
IntrinsicData{IntrinsicType::kTan, ParamType::kF32, "tan"},
IntrinsicData{IntrinsicType::kTanh, ParamType::kF32, "tanh"},
IntrinsicData{IntrinsicType::kTranspose, ParamType::kF32, "transpose"},
IntrinsicData{IntrinsicType::kTrunc, ParamType::kF32, "trunc"},
IntrinsicData{IntrinsicType::kUnpack4x8snorm, ParamType::kU32,
"unpack_snorm4x8_to_float"},
IntrinsicData{IntrinsicType::kUnpack4x8unorm, ParamType::kU32,
"unpack_unorm4x8_to_float"},
IntrinsicData{IntrinsicType::kUnpack2x16snorm, ParamType::kU32,
"unpack_snorm2x16_to_float"},
IntrinsicData{IntrinsicType::kUnpack2x16unorm, ParamType::kU32,
"unpack_unorm2x16_to_float"}));
TEST_F(MslGeneratorImplTest, Intrinsic_Call) {
Global("param1", ty.vec2<f32>(), ast::StorageClass::kPrivate);
Global("param2", ty.vec2<f32>(), ast::StorageClass::kPrivate);
auto* call = Call("dot", "param1", "param2");
WrapInFunction(call);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "dot(param1, param2)");
}
TEST_F(MslGeneratorImplTest, StorageBarrier) {
auto* call = Call("storageBarrier");
WrapInFunction(CallStmt(call));
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "threadgroup_barrier(mem_flags::mem_device)");
}
TEST_F(MslGeneratorImplTest, WorkgroupBarrier) {
auto* call = Call("workgroupBarrier");
WrapInFunction(CallStmt(call));
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "threadgroup_barrier(mem_flags::mem_threadgroup)");
}
TEST_F(MslGeneratorImplTest, Pack2x16Float) {
auto* call = Call("pack2x16float", "p1");
Global("p1", ty.vec2<f32>(), ast::StorageClass::kPrivate);
WrapInFunction(call);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "as_type<uint>(half2(p1))");
}
TEST_F(MslGeneratorImplTest, Unpack2x16Float) {
auto* call = Call("unpack2x16float", "p1");
Global("p1", ty.u32(), ast::StorageClass::kPrivate);
WrapInFunction(call);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "float2(as_type<half2>(p1))");
}
TEST_F(MslGeneratorImplTest, Ignore) {
Func("f", {Param("a", ty.i32()), Param("b", ty.i32()), Param("c", ty.i32())},
ty.i32(), {Return(Mul(Add("a", "b"), "c"))});
Func("func", {}, ty.void_(), {CallStmt(Call("f", 1, 2, 3))},
{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize(1),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(#include <metal_stdlib>
using namespace metal;
int f(int a, int b, int c) {
return as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(a) + as_type<uint>(b)))) * as_type<uint>(c)));
}
kernel void func() {
f(1, 2, 3);
return;
}
)");
}
} // namespace
} // namespace msl
} // namespace writer
} // namespace tint