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/*
* Copyright (c) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AST.h"
#include "Lexer.h"
#include "Parser.h"
#include "TestWGSLAPI.h"
#include "WGSLShaderModule.h"
#include <wtf/Assertions.h>
namespace TestWGSLAPI {
inline Expected<String, WGSL::FailedCheck> translate(const String& wgsl, const String& entryPointName)
{
auto result = WGSL::staticCheck(wgsl, std::nullopt, { 8 });
if (auto* maybeError = std::get_if<WGSL::FailedCheck>(&result))
return makeUnexpected(*maybeError);
auto& ast = std::get<WGSL::SuccessfulCheck>(result).ast;
auto prepareResult = WGSL::prepare(ast, entryPointName, { });
if (auto* maybeError = std::get_if<WGSL::Error>(&prepareResult))
return makeUnexpected(WGSL::FailedCheck { { *maybeError }, { } });
HashMap<String, WGSL::ConstantValue> constantValues;
auto generationResult = WGSL::generate(ast, std::get<WGSL::PrepareResult>(prepareResult), constantValues, WGSL::DeviceState {
.appleGPUFamily = 4,
.shaderValidationEnabled = false
});
if (auto* maybeError = std::get_if<WGSL::Error>(&generationResult))
return makeUnexpected(WGSL::FailedCheck { { *maybeError }, { } });
return { WTFMove(std::get<String>(generationResult)) };
}
TEST(WGSLMetalGenerationTests, RedFrag)
{
auto mslSource = translate(R"(@fragment
fn main() -> @location(0) vec4<f32> {
return vec4<f32>(1.0, 0.0, 0.0, 1.0);
})"_s, "main"_s);
EXPECT_TRUE(mslSource.has_value());
EXPECT_EQ(*mslSource, R"(#include <metal_stdlib>
#include <metal_types>
using namespace metal;
template<typename T>
struct __UnpackedTypeImpl;
template<typename T>
struct __PackedTypeImpl;
template<typename T>
using __UnpackedType = typename __UnpackedTypeImpl<T>::Type;
template<typename T>
using __PackedType = typename __PackedTypeImpl<T>::Type;
struct __function0_FragmentOutput {
vec<float, 4> __value [[color(0)]];
template<typename T>
__function0_FragmentOutput(T value)
: __value(value)
{ }
};
[[fragment]] __function0_FragmentOutput function0()
{
return vec<float, 4>(1., 0., 0., 1.);
}
)"_s);
}
TEST(WGSLMetalGenerationTests, BuiltinSampleMask)
{
auto mslSource = translate(R"(@fragment
fn main(@builtin(position) position : vec4<f32>,
@builtin(sample_index) sample_index : u32,
@builtin(sample_mask) sample_mask : u32) {
let foo : vec4<f32> = position;
let bar : u32 = (sample_index + sample_mask);
})"_s, "main"_s);
EXPECT_TRUE(mslSource.has_value());
EXPECT_EQ(*mslSource, R"(#include <metal_stdlib>
#include <metal_types>
using namespace metal;
template<typename T>
struct __UnpackedTypeImpl;
template<typename T>
struct __PackedTypeImpl;
template<typename T>
using __UnpackedType = typename __UnpackedTypeImpl<T>::Type;
template<typename T>
using __PackedType = typename __PackedTypeImpl<T>::Type;
[[fragment]] void function0(vec<float, 4> parameter0 [[position]], unsigned parameter1 [[sample_id]], unsigned parameter2 [[sample_mask]], const constant unsigned* __DynamicOffsets [[buffer(8)]])
{
vec<float, 4> local0 = parameter0;
unsigned local1 = (parameter1 + parameter2);
}
)"_s);
}
}
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