| // 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 "tests/unittests/validation/ValidationTest.h" |
| |
| class RequestDeviceValidationTest : public ValidationTest { |
| protected: |
| void SetUp() { |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| ValidationTest::SetUp(); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| }; |
| |
| // Test that requesting a device without specifying limits is valid. |
| TEST_F(RequestDeviceValidationTest, NoRequiredLimits) { |
| dawn_native::DeviceDescriptor descriptor; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceSuccess, nullptr); |
| } |
| |
| // Test that requesting a device with the default limits is valid. |
| TEST_F(RequestDeviceValidationTest, DefaultLimits) { |
| wgpu::Limits limits = {}; |
| dawn_native::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = reinterpret_cast<const WGPULimits*>(&limits); |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceSuccess, nullptr); |
| } |
| |
| // Test that requesting a device where a required limit is above the maximum value. |
| TEST_F(RequestDeviceValidationTest, HigherIsBetter) { |
| wgpu::Limits limits = {}; |
| dawn_native::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = reinterpret_cast<const WGPULimits*>(&limits); |
| |
| wgpu::Limits supportedLimits; |
| EXPECT_TRUE(adapter.GetLimits(reinterpret_cast<WGPULimits*>(&supportedLimits))); |
| |
| // Test below the max. |
| limits.maxBindGroups = supportedLimits.maxBindGroups - 1; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceSuccess, nullptr); |
| |
| // Test the max. |
| limits.maxBindGroups = supportedLimits.maxBindGroups; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceSuccess, nullptr); |
| |
| // Test above the max. |
| limits.maxBindGroups = supportedLimits.maxBindGroups + 1; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceError, nullptr); |
| } |
| |
| // Test that requesting a device where a required limit is below the minimum value. |
| TEST_F(RequestDeviceValidationTest, LowerIsBetter) { |
| wgpu::Limits limits = {}; |
| dawn_native::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = reinterpret_cast<const WGPULimits*>(&limits); |
| |
| wgpu::Limits supportedLimits; |
| EXPECT_TRUE(adapter.GetLimits(reinterpret_cast<WGPULimits*>(&supportedLimits))); |
| |
| // Test below the min. |
| limits.minUniformBufferOffsetAlignment = supportedLimits.minUniformBufferOffsetAlignment / 2; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceError, nullptr); |
| |
| // Test the min. |
| limits.minUniformBufferOffsetAlignment = supportedLimits.minUniformBufferOffsetAlignment; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceSuccess, nullptr); |
| |
| // Test above the min. |
| limits.minUniformBufferOffsetAlignment = supportedLimits.minUniformBufferOffsetAlignment * 2; |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceSuccess, nullptr); |
| } |
| |
| // Test that it is an error to request limits with an invalid chained struct |
| TEST_F(RequestDeviceValidationTest, InvalidChainedStruct) { |
| wgpu::PrimitiveDepthClampingState depthClamp = {}; |
| wgpu::Limits limits = {}; |
| limits.nextInChain = &depthClamp; |
| |
| dawn_native::DeviceDescriptor descriptor; |
| descriptor.requiredLimits = reinterpret_cast<const WGPULimits*>(&limits); |
| adapter.RequestDevice(&descriptor, ExpectRequestDeviceError, nullptr); |
| } |