| // Copyright 2021 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. |
| |
| #include <utility> |
| |
| #include "dawn/native/Device.h" |
| #include "dawn/native/dawn_platform.h" |
| #include "dawn/tests/unittests/validation/ValidationTest.h" |
| |
| using ::testing::HasSubstr; |
| |
| class RequestDeviceValidationTest : public ValidationTest { |
| protected: |
| void SetUp() override { |
| ValidationTest::SetUp(); |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| } |
| |
| static void ExpectRequestDeviceSuccess(WGPURequestDeviceStatus status, |
| WGPUDevice cDevice, |
| const char* message, |
| void* userdata) { |
| wgpu::Device device = wgpu::Device::Acquire(cDevice); |
| EXPECT_EQ(status, WGPURequestDeviceStatus_Success); |
| EXPECT_NE(device, nullptr); |
| EXPECT_STREQ(message, nullptr); |
| if (userdata != nullptr) { |
| CallCheckDevice(static_cast<std::function<void(wgpu::Device)>*>(userdata), |
| std::move(device)); |
| } |
| } |
| |
| static void ExpectRequestDeviceError(WGPURequestDeviceStatus status, |
| WGPUDevice cDevice, |
| const char* message, |
| void* userdata) { |
| wgpu::Device device = wgpu::Device::Acquire(cDevice); |
| EXPECT_EQ(status, WGPURequestDeviceStatus_Error); |
| EXPECT_EQ(device, nullptr); |
| EXPECT_STRNE(message, nullptr); |
| } |
| |
| template <typename F> |
| static void* CheckDevice(F&& f) { |
| return new std::function<void(wgpu::Device)>(f); |
| } |
| |
| static void CallCheckDevice(std::function<void(wgpu::Device)>* f, wgpu::Device d) { |
| (*f)(std::move(d)); |
| delete f; |
| } |
| }; |
| |
| // Test that requesting a device without specifying limits is valid. |
| TEST_F(RequestDeviceValidationTest, NoRequiredLimits) { |
| wgpu::DeviceDescriptor descriptor; |
| GetBackendAdapter().RequestDevice(&descriptor, ExpectRequestDeviceSuccess, |
| CheckDevice([](wgpu::Device device) { |
| // Check one of the default limits. |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| EXPECT_EQ(limits.limits.maxBindGroups, 4u); |
| })); |
| } |
| |
| // Test that requesting a device with the default limits is valid. |
| TEST_F(RequestDeviceValidationTest, DefaultLimits) { |
| wgpu::RequiredLimits limits = {}; |
| wgpu::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = &limits; |
| GetBackendAdapter().RequestDevice(&descriptor, ExpectRequestDeviceSuccess, |
| CheckDevice([](wgpu::Device device) { |
| // Check one of the default limits. |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| EXPECT_EQ(limits.limits.maxTextureArrayLayers, 256u); |
| })); |
| } |
| |
| // Test that requesting a device where a required limit is above the maximum value. |
| TEST_F(RequestDeviceValidationTest, HigherIsBetter) { |
| wgpu::RequiredLimits limits = {}; |
| wgpu::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = &limits; |
| |
| wgpu::SupportedLimits supportedLimits; |
| EXPECT_TRUE(adapter.GetLimits(&supportedLimits)); |
| |
| // If we can support better than the default, test below the max. |
| if (supportedLimits.limits.maxBindGroups > 4u) { |
| limits.limits.maxBindGroups = supportedLimits.limits.maxBindGroups - 1; |
| GetBackendAdapter().RequestDevice( |
| &descriptor, ExpectRequestDeviceSuccess, CheckDevice([&](wgpu::Device device) { |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| |
| // Check we got exactly the request. |
| EXPECT_EQ(limits.limits.maxBindGroups, supportedLimits.limits.maxBindGroups - 1); |
| // Check another default limit. |
| EXPECT_EQ(limits.limits.maxTextureArrayLayers, 256u); |
| })); |
| } |
| |
| // Test the max. |
| limits.limits.maxBindGroups = supportedLimits.limits.maxBindGroups; |
| GetBackendAdapter().RequestDevice( |
| &descriptor, ExpectRequestDeviceSuccess, CheckDevice([&](wgpu::Device device) { |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| |
| // Check we got exactly the request. |
| EXPECT_EQ(limits.limits.maxBindGroups, supportedLimits.limits.maxBindGroups); |
| // Check another default limit. |
| EXPECT_EQ(limits.limits.maxTextureArrayLayers, 256u); |
| })); |
| |
| // Test above the max. |
| limits.limits.maxBindGroups = supportedLimits.limits.maxBindGroups + 1; |
| GetBackendAdapter().RequestDevice(&descriptor, ExpectRequestDeviceError, nullptr); |
| |
| // Test worse than the default |
| limits.limits.maxBindGroups = 3u; |
| GetBackendAdapter().RequestDevice(&descriptor, ExpectRequestDeviceSuccess, |
| CheckDevice([&](wgpu::Device device) { |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| |
| // Check we got the default. |
| EXPECT_EQ(limits.limits.maxBindGroups, 4u); |
| })); |
| } |
| |
| // Test that requesting a device where a required limit is below the minimum value. |
| TEST_F(RequestDeviceValidationTest, LowerIsBetter) { |
| wgpu::RequiredLimits limits = {}; |
| wgpu::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = &limits; |
| |
| wgpu::SupportedLimits supportedLimits; |
| EXPECT_TRUE(adapter.GetLimits(&supportedLimits)); |
| |
| // Test below the min. |
| limits.limits.minUniformBufferOffsetAlignment = |
| supportedLimits.limits.minUniformBufferOffsetAlignment / 2; |
| GetBackendAdapter().RequestDevice(&descriptor, ExpectRequestDeviceError, nullptr); |
| |
| // Test the min. |
| limits.limits.minUniformBufferOffsetAlignment = |
| supportedLimits.limits.minUniformBufferOffsetAlignment; |
| GetBackendAdapter().RequestDevice( |
| &descriptor, ExpectRequestDeviceSuccess, CheckDevice([&](wgpu::Device device) { |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| |
| // Check we got exactly the request. |
| EXPECT_EQ(limits.limits.minUniformBufferOffsetAlignment, |
| supportedLimits.limits.minUniformBufferOffsetAlignment); |
| // Check another default limit. |
| EXPECT_EQ(limits.limits.maxTextureArrayLayers, 256u); |
| })); |
| |
| // IF we can support better than the default, test above the min. |
| if (supportedLimits.limits.minUniformBufferOffsetAlignment > 256u) { |
| limits.limits.minUniformBufferOffsetAlignment = |
| supportedLimits.limits.minUniformBufferOffsetAlignment * 2; |
| GetBackendAdapter().RequestDevice( |
| &descriptor, ExpectRequestDeviceSuccess, CheckDevice([&](wgpu::Device device) { |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| |
| // Check we got exactly the request. |
| EXPECT_EQ(limits.limits.minUniformBufferOffsetAlignment, |
| supportedLimits.limits.minUniformBufferOffsetAlignment * 2); |
| // Check another default limit. |
| EXPECT_EQ(limits.limits.maxTextureArrayLayers, 256u); |
| })); |
| } |
| |
| // Test worse than the default |
| limits.limits.minUniformBufferOffsetAlignment = 2u * 256u; |
| GetBackendAdapter().RequestDevice( |
| &descriptor, ExpectRequestDeviceSuccess, CheckDevice([&](wgpu::Device device) { |
| wgpu::SupportedLimits limits; |
| device.GetLimits(&limits); |
| |
| // Check we got the default. |
| EXPECT_EQ(limits.limits.minUniformBufferOffsetAlignment, 256u); |
| })); |
| } |
| |
| // Test that it is an error to request limits with an invalid chained struct |
| TEST_F(RequestDeviceValidationTest, InvalidChainedStruct) { |
| wgpu::PrimitiveDepthClipControl depthClipControl = {}; |
| wgpu::RequiredLimits limits = {}; |
| limits.nextInChain = &depthClipControl; |
| |
| wgpu::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = &limits; |
| GetBackendAdapter().RequestDevice(&descriptor, ExpectRequestDeviceError, nullptr); |
| } |
| |
| class DeviceTickValidationTest : public ValidationTest {}; |
| |
| // Device destroy before API-level Tick should always result in no-op and false. |
| TEST_F(DeviceTickValidationTest, DestroyDeviceBeforeAPITick) { |
| ExpectDeviceDestruction(); |
| device.Destroy(); |
| device.Tick(); |
| } |