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// Copyright 2017 The Dawn 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.
#ifndef TESTS_DAWNTEST_H_
#define TESTS_DAWNTEST_H_
#include "common/Log.h"
#include "common/Preprocessor.h"
#include "dawn/dawn_proc_table.h"
#include "dawn/webgpu_cpp.h"
#include "dawn/webgpu_cpp_print.h"
#include "dawn_native/DawnNative.h"
#include "tests/ParamGenerator.h"
#include "tests/ToggleParser.h"
#include <dawn_platform/DawnPlatform.h>
#include <gtest/gtest.h>
#include <memory>
#include <unordered_map>
#include <vector>
// Getting data back from Dawn is done in an async manners so all expectations are "deferred"
// until the end of the test. Also expectations use a copy to a MapRead buffer to get the data
// so resources should have the CopySrc allowed usage bit if you want to add expectations on
// them.
#define EXPECT_BUFFER(buffer, offset, size, expectation) \
AddBufferExpectation(__FILE__, __LINE__, buffer, offset, size, expectation)
#define EXPECT_BUFFER_U8_EQ(expected, buffer, offset) \
EXPECT_BUFFER(buffer, offset, sizeof(uint8_t), new ::detail::ExpectEq<uint8_t>(expected))
#define EXPECT_BUFFER_U8_RANGE_EQ(expected, buffer, offset, count) \
EXPECT_BUFFER(buffer, offset, sizeof(uint8_t) * (count), \
new ::detail::ExpectEq<uint8_t>(expected, count))
#define EXPECT_BUFFER_U16_EQ(expected, buffer, offset) \
EXPECT_BUFFER(buffer, offset, sizeof(uint16_t), new ::detail::ExpectEq<uint16_t>(expected))
#define EXPECT_BUFFER_U16_RANGE_EQ(expected, buffer, offset, count) \
EXPECT_BUFFER(buffer, offset, sizeof(uint16_t) * (count), \
new ::detail::ExpectEq<uint16_t>(expected, count))
#define EXPECT_BUFFER_U32_EQ(expected, buffer, offset) \
EXPECT_BUFFER(buffer, offset, sizeof(uint32_t), new ::detail::ExpectEq<uint32_t>(expected))
#define EXPECT_BUFFER_U32_RANGE_EQ(expected, buffer, offset, count) \
EXPECT_BUFFER(buffer, offset, sizeof(uint32_t) * (count), \
new ::detail::ExpectEq<uint32_t>(expected, count))
#define EXPECT_BUFFER_U64_EQ(expected, buffer, offset) \
EXPECT_BUFFER(buffer, offset, sizeof(uint64_t), new ::detail::ExpectEq<uint64_t>(expected))
#define EXPECT_BUFFER_U64_RANGE_EQ(expected, buffer, offset, count) \
EXPECT_BUFFER(buffer, offset, sizeof(uint64_t) * (count), \
new ::detail::ExpectEq<uint64_t>(expected, count))
#define EXPECT_BUFFER_FLOAT_EQ(expected, buffer, offset) \
EXPECT_BUFFER(buffer, offset, sizeof(float), new ::detail::ExpectEq<float>(expected))
#define EXPECT_BUFFER_FLOAT_RANGE_EQ(expected, buffer, offset, count) \
EXPECT_BUFFER(buffer, offset, sizeof(float) * (count), \
new ::detail::ExpectEq<float>(expected, count))
#define EXPECT_BUFFER_FLOAT_RANGE_ABOUT_EQ(expected, buffer, offset, count, tolerance) \
EXPECT_BUFFER(buffer, offset, sizeof(float) * (count), \
new ::detail::ExpectEq<float>(expected, count, tolerance))
// Test a pixel of the mip level 0 of a 2D texture.
#define EXPECT_PIXEL_RGBA8_EQ(expected, texture, x, y) \
AddTextureExpectation(__FILE__, __LINE__, expected, texture, {x, y})
#define EXPECT_PIXEL_FLOAT_EQ(expected, texture, x, y) \
AddTextureExpectation(__FILE__, __LINE__, expected, texture, {x, y})
#define EXPECT_PIXEL_RGBA8_BETWEEN(color0, color1, texture, x, y) \
AddTextureBetweenColorsExpectation(__FILE__, __LINE__, color0, color1, texture, x, y)
#define EXPECT_TEXTURE_EQ(...) AddTextureExpectation(__FILE__, __LINE__, __VA_ARGS__)
// Should only be used to test validation of function that can't be tested by regular validation
// tests;
#define ASSERT_DEVICE_ERROR(statement) \
StartExpectDeviceError(); \
statement; \
FlushWire(); \
if (!EndExpectDeviceError()) { \
FAIL() << "Expected device error in:\n " << #statement; \
} \
do { \
} while (0)
struct RGBA8 {
constexpr RGBA8() : RGBA8(0, 0, 0, 0) {
}
constexpr RGBA8(uint8_t r, uint8_t g, uint8_t b, uint8_t a) : r(r), g(g), b(b), a(a) {
}
bool operator==(const RGBA8& other) const;
bool operator!=(const RGBA8& other) const;
bool operator<=(const RGBA8& other) const;
bool operator>=(const RGBA8& other) const;
uint8_t r, g, b, a;
static const RGBA8 kZero;
static const RGBA8 kBlack;
static const RGBA8 kRed;
static const RGBA8 kGreen;
static const RGBA8 kBlue;
static const RGBA8 kYellow;
static const RGBA8 kWhite;
};
std::ostream& operator<<(std::ostream& stream, const RGBA8& color);
struct BackendTestConfig {
BackendTestConfig(wgpu::BackendType backendType,
std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
wgpu::BackendType backendType;
std::vector<const char*> forceEnabledWorkarounds;
std::vector<const char*> forceDisabledWorkarounds;
};
struct TestAdapterProperties : wgpu::AdapterProperties {
TestAdapterProperties(const wgpu::AdapterProperties& properties, bool selected);
std::string adapterName;
bool selected;
private:
// This may be temporary, so it is copied into |adapterName| and made private.
using wgpu::AdapterProperties::name;
};
struct AdapterTestParam {
AdapterTestParam(const BackendTestConfig& config,
const TestAdapterProperties& adapterProperties);
TestAdapterProperties adapterProperties;
std::vector<const char*> forceEnabledWorkarounds;
std::vector<const char*> forceDisabledWorkarounds;
};
std::ostream& operator<<(std::ostream& os, const AdapterTestParam& param);
BackendTestConfig D3D12Backend(std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
BackendTestConfig MetalBackend(std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
BackendTestConfig NullBackend(std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
BackendTestConfig OpenGLBackend(std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
BackendTestConfig OpenGLESBackend(std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
BackendTestConfig VulkanBackend(std::initializer_list<const char*> forceEnabledWorkarounds = {},
std::initializer_list<const char*> forceDisabledWorkarounds = {});
struct GLFWwindow;
namespace utils {
class PlatformDebugLogger;
class TerribleCommandBuffer;
class WireHelper;
} // namespace utils
namespace detail {
class Expectation;
class CustomTextureExpectation;
template <typename T>
class ExpectEq;
template <typename T>
class ExpectBetweenColors;
} // namespace detail
namespace dawn_wire {
class CommandHandler;
class WireClient;
class WireServer;
} // namespace dawn_wire
void InitDawnEnd2EndTestEnvironment(int argc, char** argv);
class DawnTestEnvironment : public testing::Environment {
public:
DawnTestEnvironment(int argc, char** argv);
~DawnTestEnvironment() override;
static void SetEnvironment(DawnTestEnvironment* env);
std::vector<AdapterTestParam> GetAvailableAdapterTestParamsForBackends(
const BackendTestConfig* params,
size_t numParams);
void SetUp() override;
void TearDown() override;
bool UsesWire() const;
dawn_native::BackendValidationLevel GetBackendValidationLevel() const;
dawn_native::Instance* GetInstance() const;
bool HasVendorIdFilter() const;
uint32_t GetVendorIdFilter() const;
bool HasBackendTypeFilter() const;
wgpu::BackendType GetBackendTypeFilter() const;
const char* GetWireTraceDir() const;
GLFWwindow* GetOpenGLWindow() const;
GLFWwindow* GetOpenGLESWindow() const;
const std::vector<std::string>& GetEnabledToggles() const;
const std::vector<std::string>& GetDisabledToggles() const;
bool RunSuppressedTests() const;
protected:
std::unique_ptr<dawn_native::Instance> mInstance;
private:
void ParseArgs(int argc, char** argv);
std::unique_ptr<dawn_native::Instance> CreateInstanceAndDiscoverAdapters();
void SelectPreferredAdapterProperties(const dawn_native::Instance* instance);
void PrintTestConfigurationAndAdapterInfo(dawn_native::Instance* instance) const;
bool mUseWire = false;
dawn_native::BackendValidationLevel mBackendValidationLevel =
dawn_native::BackendValidationLevel::Disabled;
bool mBeginCaptureOnStartup = false;
bool mHasVendorIdFilter = false;
uint32_t mVendorIdFilter = 0;
bool mHasBackendTypeFilter = false;
wgpu::BackendType mBackendTypeFilter;
std::string mWireTraceDir;
bool mRunSuppressedTests = false;
ToggleParser mToggleParser;
std::vector<dawn_native::DeviceType> mDevicePreferences;
std::vector<TestAdapterProperties> mAdapterProperties;
std::unique_ptr<utils::PlatformDebugLogger> mPlatformDebugLogger;
GLFWwindow* mOpenGLWindow;
GLFWwindow* mOpenGLESWindow;
};
class DawnTestBase {
friend class DawnPerfTestBase;
public:
DawnTestBase(const AdapterTestParam& param);
virtual ~DawnTestBase();
void SetUp();
void TearDown();
bool IsD3D12() const;
bool IsMetal() const;
bool IsNull() const;
bool IsOpenGL() const;
bool IsOpenGLES() const;
bool IsVulkan() const;
bool IsAMD() const;
bool IsARM() const;
bool IsImgTec() const;
bool IsIntel() const;
bool IsNvidia() const;
bool IsQualcomm() const;
bool IsSwiftshader() const;
bool IsANGLE() const;
bool IsWARP() const;
bool IsWindows() const;
bool IsLinux() const;
bool IsMacOS() const;
bool UsesWire() const;
bool IsBackendValidationEnabled() const;
bool RunSuppressedTests() const;
bool IsDXC() const;
bool IsAsan() const;
bool HasToggleEnabled(const char* workaround) const;
void StartExpectDeviceError();
bool EndExpectDeviceError();
bool HasVendorIdFilter() const;
uint32_t GetVendorIdFilter() const;
bool HasBackendTypeFilter() const;
wgpu::BackendType GetBackendTypeFilter() const;
wgpu::Instance GetInstance() const;
dawn_native::Adapter GetAdapter() const;
virtual std::unique_ptr<dawn_platform::Platform> CreateTestPlatform();
struct PrintToStringParamName {
PrintToStringParamName(const char* test);
std::string SanitizeParamName(std::string paramName, size_t index) const;
template <class ParamType>
std::string operator()(const ::testing::TestParamInfo<ParamType>& info) const {
return SanitizeParamName(::testing::PrintToStringParamName()(info), info.index);
}
std::string mTest;
};
protected:
wgpu::Device device;
wgpu::Queue queue;
DawnProcTable backendProcs = {};
WGPUDevice backendDevice = nullptr;
size_t mLastWarningCount = 0;
// Helper methods to implement the EXPECT_ macros
std::ostringstream& AddBufferExpectation(const char* file,
int line,
const wgpu::Buffer& buffer,
uint64_t offset,
uint64_t size,
detail::Expectation* expectation);
template <typename T>
std::ostringstream& AddTextureExpectation(const char* file,
int line,
const T* expectedData,
const wgpu::Texture& texture,
wgpu::Origin3D origin,
wgpu::Extent3D extent,
uint32_t level = 0,
wgpu::TextureAspect aspect = wgpu::TextureAspect::All,
uint32_t bytesPerRow = 0) {
return AddTextureExpectationImpl(
file, line,
new detail::ExpectEq<T>(expectedData,
extent.width * extent.height * extent.depthOrArrayLayers),
texture, origin, extent, level, aspect, sizeof(T), bytesPerRow);
}
template <typename T>
std::ostringstream& AddTextureExpectation(const char* file,
int line,
const T& expectedData,
const wgpu::Texture& texture,
wgpu::Origin3D origin,
uint32_t level = 0,
wgpu::TextureAspect aspect = wgpu::TextureAspect::All,
uint32_t bytesPerRow = 0) {
return AddTextureExpectationImpl(file, line, new detail::ExpectEq<T>(expectedData), texture,
origin, {1, 1}, level, aspect, sizeof(T), bytesPerRow);
}
template <typename E,
typename = typename std::enable_if<
std::is_base_of<detail::CustomTextureExpectation, E>::value>::type>
std::ostringstream& AddTextureExpectation(const char* file,
int line,
E* expectation,
const wgpu::Texture& texture,
wgpu::Origin3D origin,
wgpu::Extent3D extent,
uint32_t level = 0,
wgpu::TextureAspect aspect = wgpu::TextureAspect::All,
uint32_t bytesPerRow = 0) {
return AddTextureExpectationImpl(file, line, expectation, texture, origin, extent, level,
aspect, expectation->DataSize(), bytesPerRow);
}
template <typename T>
std::ostringstream& AddTextureBetweenColorsExpectation(
const char* file,
int line,
const T& color0,
const T& color1,
const wgpu::Texture& texture,
uint32_t x,
uint32_t y,
uint32_t level = 0,
wgpu::TextureAspect aspect = wgpu::TextureAspect::All,
uint32_t bytesPerRow = 0) {
return AddTextureExpectationImpl(
file, line, new detail::ExpectBetweenColors<T>(color0, color1), texture, {x, y}, {1, 1},
level, aspect, sizeof(T), bytesPerRow);
}
std::ostringstream& ExpectSampledDepthData(wgpu::Texture depthTexture,
uint32_t width,
uint32_t height,
uint32_t arrayLayer,
uint32_t mipLevel,
const std::vector<float>& expected);
// Check depth by uploading expected data to a sampled texture, writing it out as a depth
// attachment, and then using the "equals" depth test to check the contents are the same.
// Check stencil by rendering a full screen quad and using the "equals" stencil test with
// a stencil reference value. Note that checking stencil checks that the entire stencil
// buffer is equal to the expected stencil value.
std::ostringstream& ExpectAttachmentDepthStencilTestData(wgpu::Texture texture,
wgpu::TextureFormat format,
uint32_t width,
uint32_t height,
uint32_t arrayLayer,
uint32_t mipLevel,
std::vector<float> expectedDepth,
uint8_t* expectedStencil);
std::ostringstream& ExpectAttachmentDepthTestData(wgpu::Texture texture,
wgpu::TextureFormat format,
uint32_t width,
uint32_t height,
uint32_t arrayLayer,
uint32_t mipLevel,
std::vector<float> expectedDepth) {
return ExpectAttachmentDepthStencilTestData(texture, format, width, height, arrayLayer,
mipLevel, std::move(expectedDepth), nullptr);
}
std::ostringstream& ExpectAttachmentStencilTestData(wgpu::Texture texture,
wgpu::TextureFormat format,
uint32_t width,
uint32_t height,
uint32_t arrayLayer,
uint32_t mipLevel,
uint8_t expectedStencil) {
return ExpectAttachmentDepthStencilTestData(texture, format, width, height, arrayLayer,
mipLevel, {}, &expectedStencil);
}
void WaitABit();
void FlushWire();
void WaitForAllOperations();
bool SupportsExtensions(const std::vector<const char*>& extensions);
// Called in SetUp() to get the extensions required to be enabled in the tests. The tests must
// check if the required extensions are supported by the adapter in this function and guarantee
// the returned extensions are all supported by the adapter. The tests may provide different
// code path to handle the situation when not all extensions are supported.
virtual std::vector<const char*> GetRequiredExtensions();
const wgpu::AdapterProperties& GetAdapterProperties() const;
private:
AdapterTestParam mParam;
std::unique_ptr<utils::WireHelper> mWireHelper;
// Tracking for validation errors
static void OnDeviceError(WGPUErrorType type, const char* message, void* userdata);
static void OnDeviceLost(const char* message, void* userdata);
bool mExpectError = false;
bool mError = false;
std::ostringstream& AddTextureExpectationImpl(const char* file,
int line,
detail::Expectation* expectation,
const wgpu::Texture& texture,
wgpu::Origin3D origin,
wgpu::Extent3D extent,
uint32_t level,
wgpu::TextureAspect aspect,
uint32_t dataSize,
uint32_t bytesPerRow);
// MapRead buffers used to get data for the expectations
struct ReadbackSlot {
wgpu::Buffer buffer;
uint64_t bufferSize;
const void* mappedData = nullptr;
};
std::vector<ReadbackSlot> mReadbackSlots;
// Maps all the buffers and fill ReadbackSlot::mappedData
void MapSlotsSynchronously();
static void SlotMapCallback(WGPUBufferMapAsyncStatus status, void* userdata);
size_t mNumPendingMapOperations = 0;
// Reserve space where the data for an expectation can be copied
struct ReadbackReservation {
wgpu::Buffer buffer;
size_t slot;
uint64_t offset;
};
ReadbackReservation ReserveReadback(uint64_t readbackSize);
struct DeferredExpectation {
const char* file;
int line;
size_t readbackSlot;
uint64_t readbackOffset;
uint64_t size;
uint32_t rowBytes;
uint32_t bytesPerRow;
std::unique_ptr<detail::Expectation> expectation;
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54316
// Use unique_ptr because of missing move/copy constructors on std::basic_ostringstream
std::unique_ptr<std::ostringstream> message;
};
std::vector<DeferredExpectation> mDeferredExpectations;
// Assuming the data is mapped, checks all expectations
void ResolveExpectations();
dawn_native::Adapter mBackendAdapter;
std::unique_ptr<dawn_platform::Platform> mTestPlatform;
};
#define DAWN_SKIP_TEST_IF_BASE(condition, type, reason) \
do { \
if (condition) { \
dawn::InfoLog() << "Test " type ": " #reason; \
GTEST_SKIP(); \
return; \
} \
} while (0)
// Skip a test which requires an extension or a toggle to be present / not present or some WIP
// features.
#define DAWN_TEST_UNSUPPORTED_IF(condition) \
DAWN_SKIP_TEST_IF_BASE(condition, "unsupported", condition)
// Skip a test when the test failing on a specific HW / backend / OS combination. We can disable
// this macro with the command line parameter "--run-suppressed-tests".
#define DAWN_SUPPRESS_TEST_IF(condition) \
DAWN_SKIP_TEST_IF_BASE(!RunSuppressedTests() && condition, "suppressed", condition)
#define EXPECT_DEPRECATION_WARNING(statement) \
do { \
if (UsesWire()) { \
statement; \
} else { \
size_t warningsBefore = \
dawn_native::GetDeprecationWarningCountForTesting(device.Get()); \
statement; \
size_t warningsAfter = \
dawn_native::GetDeprecationWarningCountForTesting(device.Get()); \
EXPECT_EQ(mLastWarningCount, warningsBefore); \
if (!HasToggleEnabled("skip_validation")) { \
EXPECT_EQ(warningsAfter, warningsBefore + 1); \
} \
mLastWarningCount = warningsAfter; \
} \
} while (0)
template <typename Params = AdapterTestParam>
class DawnTestWithParams : public DawnTestBase, public ::testing::TestWithParam<Params> {
protected:
DawnTestWithParams();
~DawnTestWithParams() override = default;
void SetUp() override {
DawnTestBase::SetUp();
}
void TearDown() override {
DawnTestBase::TearDown();
}
};
template <typename Params>
DawnTestWithParams<Params>::DawnTestWithParams() : DawnTestBase(this->GetParam()) {
}
using DawnTest = DawnTestWithParams<>;
// Instantiate the test once for each backend provided after the first argument. Use it like this:
// DAWN_INSTANTIATE_TEST(MyTestFixture, MetalBackend, OpenGLBackend)
#define DAWN_INSTANTIATE_TEST(testName, ...) \
const decltype(DAWN_PP_GET_HEAD(__VA_ARGS__)) testName##params[] = {__VA_ARGS__}; \
INSTANTIATE_TEST_SUITE_P( \
, testName, \
testing::ValuesIn(::detail::GetAvailableAdapterTestParamsForBackends( \
testName##params, sizeof(testName##params) / sizeof(testName##params[0]))), \
DawnTestBase::PrintToStringParamName(#testName)); \
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(testName)
// Instantiate the test once for each backend provided in the first param list.
// The test will be parameterized over the following param lists.
// Use it like this:
// DAWN_INSTANTIATE_TEST_P(MyTestFixture, {MetalBackend, OpenGLBackend}, {A, B, C}, {1, 2, 3})
// MyTestFixture must extend DawnTestWithParam<Param> where Param is a struct that extends
// AdapterTestParam, and whose constructor looks like:
// Param(AdapterTestParam, ABorC, 12or3, ..., otherParams... )
// You must also teach GTest how to print this struct.
// https://github.com/google/googletest/blob/master/docs/advanced.md#teaching-googletest-how-to-print-your-values
// Macro DAWN_TEST_PARAM_STRUCT can help generate this struct.
#define DAWN_INSTANTIATE_TEST_P(testName, ...) \
INSTANTIATE_TEST_SUITE_P( \
, testName, ::testing::ValuesIn(MakeParamGenerator<testName::ParamType>(__VA_ARGS__)), \
DawnTestBase::PrintToStringParamName(#testName)); \
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(testName)
// Implementation for DAWN_TEST_PARAM_STRUCT to declare/print struct fields.
#define DAWN_TEST_PARAM_STRUCT_DECL_STRUCT_FIELD(Type) Type DAWN_PP_CONCATENATE(m, Type);
#define DAWN_TEST_PARAM_STRUCT_PRINT_STRUCT_FIELD(Type) \
o << "; " << #Type << "=" << param.DAWN_PP_CONCATENATE(m, Type);
// Usage: DAWN_TEST_PARAM_STRUCT(Foo, TypeA, TypeB, ...)
// Generate a test param struct called Foo which extends AdapterTestParam and generated
// struct _Dawn_Foo. _Dawn_Foo has members of types TypeA, TypeB, etc. which are named mTypeA,
// mTypeB, etc. in the order they are placed in the macro argument list. Struct Foo should be
// constructed with an AdapterTestParam as the first argument, followed by a list of values
// to initialize the base _Dawn_Foo struct.
// It is recommended to use alias declarations so that stringified types are more readable.
// Example:
// using MyParam = unsigned int;
// DAWN_TEST_PARAM_STRUCT(FooParams, MyParam)
#define DAWN_TEST_PARAM_STRUCT(StructName, ...) \
struct DAWN_PP_CONCATENATE(_Dawn_, StructName) { \
DAWN_PP_EXPAND(DAWN_PP_EXPAND(DAWN_PP_FOR_EACH)(DAWN_TEST_PARAM_STRUCT_DECL_STRUCT_FIELD, \
__VA_ARGS__)) \
}; \
std::ostream& operator<<(std::ostream& o, \
const DAWN_PP_CONCATENATE(_Dawn_, StructName) & param) { \
DAWN_PP_EXPAND(DAWN_PP_EXPAND(DAWN_PP_FOR_EACH)(DAWN_TEST_PARAM_STRUCT_PRINT_STRUCT_FIELD, \
__VA_ARGS__)) \
return o; \
} \
struct StructName : AdapterTestParam, DAWN_PP_CONCATENATE(_Dawn_, StructName) { \
template <typename... Args> \
StructName(const AdapterTestParam& param, Args&&... args) \
: AdapterTestParam(param), \
DAWN_PP_CONCATENATE(_Dawn_, StructName){std::forward<Args>(args)...} { \
} \
}; \
std::ostream& operator<<(std::ostream& o, const StructName& param) { \
o << static_cast<const AdapterTestParam&>(param); \
o << "; " << static_cast<const DAWN_PP_CONCATENATE(_Dawn_, StructName)&>(param); \
return o; \
}
namespace detail {
// Helper functions used for DAWN_INSTANTIATE_TEST
std::vector<AdapterTestParam> GetAvailableAdapterTestParamsForBackends(
const BackendTestConfig* params,
size_t numParams);
// All classes used to implement the deferred expectations should inherit from this.
class Expectation {
public:
virtual ~Expectation() = default;
// Will be called with the buffer or texture data the expectation should check.
virtual testing::AssertionResult Check(const void* data, size_t size) = 0;
};
// Expectation that checks the data is equal to some expected values.
template <typename T>
class ExpectEq : public Expectation {
public:
ExpectEq(T singleValue, T tolerance = {});
ExpectEq(const T* values, const unsigned int count, T tolerance = {});
testing::AssertionResult Check(const void* data, size_t size) override;
private:
std::vector<T> mExpected;
T mTolerance;
};
extern template class ExpectEq<uint8_t>;
extern template class ExpectEq<int16_t>;
extern template class ExpectEq<uint32_t>;
extern template class ExpectEq<uint64_t>;
extern template class ExpectEq<RGBA8>;
extern template class ExpectEq<float>;
template <typename T>
class ExpectBetweenColors : public Expectation {
public:
// Inclusive for now
ExpectBetweenColors(T value0, T value1);
testing::AssertionResult Check(const void* data, size_t size) override;
private:
std::vector<T> mLowerColorChannels;
std::vector<T> mHigherColorChannels;
// used for printing error
std::vector<T> mValues0;
std::vector<T> mValues1;
};
// A color is considered between color0 and color1 when all channel values are within range of
// each counterparts. It doesn't matter which value is higher or lower. Essentially color =
// lerp(color0, color1, t) where t is [0,1]. But I don't want to be too strict here.
extern template class ExpectBetweenColors<RGBA8>;
class CustomTextureExpectation : public Expectation {
public:
virtual ~CustomTextureExpectation() = default;
virtual uint32_t DataSize() = 0;
};
} // namespace detail
#endif // TESTS_DAWNTEST_H_