2020-06-09 17:09:04 +00:00
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// Copyright 2019 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "tests/DawnTest.h"
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#include <vector>
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class NonzeroBufferCreationTests : public DawnTest {};
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// Verify that each byte of the buffer has all been initialized to 1 with the toggle enabled when it
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// is created with CopyDst usage.
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TEST_P(NonzeroBufferCreationTests, BufferCreationWithCopyDstUsage) {
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constexpr uint32_t kSize = 32u;
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wgpu::BufferDescriptor descriptor;
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descriptor.size = kSize;
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descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
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wgpu::Buffer buffer = device.CreateBuffer(&descriptor);
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std::vector<uint8_t> expectedData(kSize, static_cast<uint8_t>(1u));
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EXPECT_BUFFER_U32_RANGE_EQ(reinterpret_cast<uint32_t*>(expectedData.data()), buffer, 0,
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kSize / sizeof(uint32_t));
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}
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// Verify that each byte of the buffer has all been initialized to 1 with the toggle enabled when it
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// is created without CopyDst usage.
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TEST_P(NonzeroBufferCreationTests, BufferCreationWithoutCopyDstUsage) {
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constexpr uint32_t kSize = 32u;
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wgpu::BufferDescriptor descriptor;
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descriptor.size = kSize;
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descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc;
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wgpu::Buffer buffer = device.CreateBuffer(&descriptor);
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std::vector<uint8_t> expectedData(kSize, static_cast<uint8_t>(1u));
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EXPECT_BUFFER_U32_RANGE_EQ(reinterpret_cast<uint32_t*>(expectedData.data()), buffer, 0,
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kSize / sizeof(uint32_t));
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}
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DAWN_INSTANTIATE_TEST(NonzeroBufferCreationTests,
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2020-06-10 21:40:10 +00:00
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MetalBackend({"nonzero_clear_resources_on_creation_for_testing"}),
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VulkanBackend({"nonzero_clear_resources_on_creation_for_testing"}));
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