| // Copyright 2019 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <array> |
| #include <vector> |
| |
| #include "dawn/tests/DawnTest.h" |
| |
| namespace dawn { |
| namespace { |
| |
| class NonzeroBufferCreationTests : public DawnTest {}; |
| |
| // Verify that each byte of the buffer has all been initialized to 1 with the toggle enabled when it |
| // is created with CopyDst usage. |
| TEST_P(NonzeroBufferCreationTests, BufferCreationWithCopyDstUsage) { |
| constexpr uint32_t kSize = 32u; |
| |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = kSize; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| std::vector<uint8_t> expectedData(kSize, uint8_t(1u)); |
| EXPECT_BUFFER_U32_RANGE_EQ(reinterpret_cast<uint32_t*>(expectedData.data()), buffer, 0, |
| kSize / sizeof(uint32_t)); |
| } |
| |
| // Verify that each byte of the buffer has all been initialized to 1 with the toggle enabled when it |
| // is created with MapWrite without CopyDst usage. |
| TEST_P(NonzeroBufferCreationTests, BufferCreationWithMapWriteWithoutCopyDstUsage) { |
| constexpr uint32_t kSize = 32u; |
| |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = kSize; |
| descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc; |
| |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| std::vector<uint8_t> expectedData(kSize, uint8_t(1u)); |
| EXPECT_BUFFER_U32_RANGE_EQ(reinterpret_cast<uint32_t*>(expectedData.data()), buffer, 0, |
| kSize / sizeof(uint32_t)); |
| } |
| |
| // Verify that each byte of the buffer has all been initialized to 1 with the toggle enabled when |
| // it is created with mappedAtCreation == true. |
| TEST_P(NonzeroBufferCreationTests, BufferCreationWithMappedAtCreation) { |
| // When we use Dawn wire, the lazy initialization of the buffers with mappedAtCreation == true |
| // are done in the Dawn wire and we don't plan to get it work with the toggle |
| // "nonzero_clear_resources_on_creation_for_testing" (we will have more tests on it in the |
| // BufferZeroInitTests. |
| DAWN_TEST_UNSUPPORTED_IF(UsesWire()); |
| |
| constexpr uint32_t kSize = 32u; |
| |
| wgpu::BufferDescriptor defaultDescriptor; |
| defaultDescriptor.size = kSize; |
| defaultDescriptor.mappedAtCreation = true; |
| |
| const std::vector<uint8_t> expectedData(kSize, uint8_t(1u)); |
| const uint32_t* expectedDataPtr = reinterpret_cast<const uint32_t*>(expectedData.data()); |
| |
| // Buffer with MapRead usage |
| { |
| wgpu::BufferDescriptor descriptor = defaultDescriptor; |
| descriptor.usage = wgpu::BufferUsage::MapRead; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| const uint8_t* mappedData = static_cast<const uint8_t*>(buffer.GetConstMappedRange()); |
| EXPECT_EQ(0, memcmp(mappedData, expectedData.data(), kSize)); |
| buffer.Unmap(); |
| |
| MapAsyncAndWait(buffer, wgpu::MapMode::Read, 0, kSize); |
| mappedData = static_cast<const uint8_t*>(buffer.GetConstMappedRange()); |
| EXPECT_EQ(0, memcmp(mappedData, expectedData.data(), kSize)); |
| buffer.Unmap(); |
| } |
| |
| // Buffer with MapWrite usage |
| { |
| wgpu::BufferDescriptor descriptor = defaultDescriptor; |
| descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| const uint8_t* mappedData = static_cast<const uint8_t*>(buffer.GetConstMappedRange()); |
| EXPECT_EQ(0, memcmp(mappedData, expectedData.data(), kSize)); |
| buffer.Unmap(); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedDataPtr, buffer, 0, kSize / sizeof(uint32_t)); |
| } |
| |
| // Buffer with neither MapRead nor MapWrite usage |
| { |
| wgpu::BufferDescriptor descriptor = defaultDescriptor; |
| descriptor.usage = wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| const uint8_t* mappedData = static_cast<const uint8_t*>(buffer.GetConstMappedRange()); |
| EXPECT_EQ(0, memcmp(mappedData, expectedData.data(), kSize)); |
| buffer.Unmap(); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedDataPtr, buffer, 0, kSize / sizeof(uint32_t)); |
| } |
| } |
| |
| DAWN_INSTANTIATE_TEST(NonzeroBufferCreationTests, |
| D3D11Backend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| MetalBackend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| OpenGLBackend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| OpenGLESBackend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"}), |
| VulkanBackend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"lazy_clear_resource_on_first_use"})); |
| |
| } // anonymous namespace |
| } // namespace dawn |