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// Copyright 2020 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/DawnTest.h"
#include "dawn_native/dawn_platform.h"
class InternalResourceUsageTests : public DawnTest {
protected:
wgpu::Buffer CreateBuffer(wgpu::BufferUsage usage) {
wgpu::BufferDescriptor descriptor;
descriptor.size = 4;
descriptor.usage = usage;
return device.CreateBuffer(&descriptor);
}
};
// Verify it is an error to create a buffer with a buffer usage that should only be used
// internally.
TEST_P(InternalResourceUsageTests, InternalBufferUsage) {
DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("skip_validation"));
ASSERT_DEVICE_ERROR(CreateBuffer(dawn_native::kReadOnlyStorageBuffer));
ASSERT_DEVICE_ERROR(CreateBuffer(dawn_native::kInternalStorageBuffer));
}
DAWN_INSTANTIATE_TEST(InternalResourceUsageTests, NullBackend());
class InternalBindingTypeTests : public DawnTest {};
// Verify it is an error to create a bind group layout with a buffer binding type that should only
// be used internally.
TEST_P(InternalBindingTypeTests, InternalStorageBufferBindingType) {
DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("skip_validation"));
wgpu::BindGroupLayoutEntry bglEntry;
bglEntry.binding = 0;
bglEntry.buffer.type = dawn_native::kInternalStorageBufferBinding;
bglEntry.visibility = wgpu::ShaderStage::Compute;
wgpu::BindGroupLayoutDescriptor bglDesc;
bglDesc.entryCount = 1;
bglDesc.entries = &bglEntry;
ASSERT_DEVICE_ERROR(device.CreateBindGroupLayout(&bglDesc));
}
DAWN_INSTANTIATE_TEST(InternalBindingTypeTests, NullBackend());