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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.
// This file contains test for deprecated parts of Dawn's API while following WebGPU's evolution.
// It contains test for the "old" behavior that will be deleted once users are migrated, tests that
// a deprecation warning is emitted when the "old" behavior is used, and tests that an error is
// emitted when both the old and the new behavior are used (when applicable).
#include "tests/DawnTest.h"
#include "common/Constants.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/WGPUHelpers.h"
#include <cmath>
class DeprecationTests : public DawnTest {
protected:
void SetUp() override {
DawnTest::SetUp();
// Skip when validation is off because warnings might be emitted during validation calls
DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("skip_validation"));
}
};
// Test that readonly storage textures are deprecated
TEST_P(DeprecationTests, ReadOnlyStorageTextures) {
// Control case: WriteOnly storage textures are allowed.
utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::WriteOnly,
wgpu::TextureFormat::R32Float}});
// Error case: ReadOnly storage textures are not allowed.
EXPECT_DEPRECATION_WARNING(utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::ReadOnly,
wgpu::TextureFormat::R32Float}}));
}
DAWN_INSTANTIATE_TEST(DeprecationTests,
D3D12Backend(),
MetalBackend(),
NullBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());