| // Copyright 2023 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 <utility> |
| |
| #include "dawn/common/Log.h" |
| #include "dawn/common/MutexProtected.h" |
| #include "dawn/common/windows_with_undefs.h" |
| #include "dawn/tests/MockCallback.h" |
| #include "dawn/tests/end2end/BufferHostMappedPointerTests.h" |
| |
| namespace dawn { |
| namespace { |
| |
| class VMBackend : public BufferHostMappedPointerTestBackend { |
| public: |
| static BufferHostMappedPointerTestBackend* GetInstance() { |
| static VMBackend backend; |
| return &backend; |
| } |
| |
| const char* Name() const override { return "VirtualAlloc"; } |
| |
| std::pair<wgpu::Buffer, void*> CreateHostMappedBuffer( |
| wgpu::Device device, |
| wgpu::BufferUsage usage, |
| size_t size, |
| std::function<void(void*)> Populate) override { |
| void* ptr = VirtualAlloc(nullptr, size, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE); |
| EXPECT_NE(ptr, nullptr); |
| |
| Populate(ptr); |
| |
| auto DeallocMemory = [=]() { VirtualFree(ptr, 0, MEM_RELEASE); }; |
| |
| wgpu::BufferHostMappedPointer hostMappedDesc; |
| hostMappedDesc.pointer = ptr; |
| mDisposeCallback.Use([&](auto callback) { |
| hostMappedDesc.disposeCallback = callback->Callback(); |
| hostMappedDesc.userdata = callback->MakeUserdata(ptr); |
| }); |
| |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.usage = usage; |
| bufferDesc.size = size; |
| bufferDesc.nextInChain = &hostMappedDesc; |
| |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| if (dawn::native::CheckIsErrorForTesting(buffer.Get())) { |
| DeallocMemory(); |
| } else { |
| mDisposeCallback.Use([&](auto callback) { |
| EXPECT_CALL(*callback, Call(ptr)) |
| .WillOnce(testing::InvokeWithoutArgs(DeallocMemory)); |
| }); |
| } |
| |
| return std::make_pair(std::move(buffer), hostMappedDesc.pointer); |
| } |
| |
| private: |
| MutexProtected<testing::MockCallback<WGPUCallback>> mDisposeCallback; |
| }; |
| |
| class MMapBackend : public BufferHostMappedPointerTestBackend { |
| public: |
| static BufferHostMappedPointerTestBackend* GetInstance() { |
| static MMapBackend backend; |
| return &backend; |
| } |
| |
| const char* Name() const override { return "FileMapping"; } |
| |
| std::pair<wgpu::Buffer, void*> CreateHostMappedBuffer( |
| wgpu::Device device, |
| wgpu::BufferUsage usage, |
| size_t size, |
| std::function<void(void*)> Populate) override { |
| // Get the temp path string |
| TCHAR tmpFilePath[MAX_PATH]; |
| DWORD dwRetVal = GetTempPath(MAX_PATH, // length of the buffer |
| tmpFilePath); // buffer for path |
| EXPECT_GT(dwRetVal, 0u); |
| EXPECT_LE(dwRetVal, static_cast<DWORD>(MAX_PATH)); |
| |
| TCHAR tmpFileName[MAX_PATH]; |
| EXPECT_GT(GetTempFileName(tmpFilePath, // directory for tmp files |
| TEXT("TMP"), // temp file name prefix |
| 0, // create unique name |
| tmpFileName), // buffer for name |
| 0u); |
| |
| // Creates the new file |
| HANDLE tmpFileHandle = CreateFile(tmpFileName, // file name |
| GENERIC_READ | GENERIC_WRITE, // open for read write |
| 0, // do not share |
| NULL, // default security |
| CREATE_ALWAYS, // overwrite existing |
| FILE_ATTRIBUTE_NORMAL, // normal file |
| NULL); // no template |
| EXPECT_NE(tmpFileHandle, INVALID_HANDLE_VALUE); |
| |
| LARGE_INTEGER largeSize; |
| largeSize.QuadPart = size; |
| HANDLE fileMappingHandle = CreateFileMapping( |
| tmpFileHandle, nullptr, PAGE_READWRITE, largeSize.HighPart, largeSize.LowPart, nullptr); |
| |
| EXPECT_NE(fileMappingHandle, INVALID_HANDLE_VALUE); |
| |
| void* ptr = MapViewOfFile(fileMappingHandle, FILE_MAP_ALL_ACCESS, 0, 0, 0); |
| EXPECT_NE(ptr, nullptr); |
| Populate(ptr); |
| |
| auto DeallocMemory = [=]() { |
| // Cleanup mapping, handles, and file. |
| EXPECT_TRUE(UnmapViewOfFile(ptr)); |
| CloseHandle(fileMappingHandle); |
| CloseHandle(tmpFileHandle); |
| EXPECT_TRUE(DeleteFile(tmpFileName)); |
| }; |
| |
| wgpu::BufferHostMappedPointer hostMappedDesc; |
| hostMappedDesc.pointer = ptr; |
| mDisposeCallback.Use([&](auto callback) { |
| hostMappedDesc.disposeCallback = callback->Callback(); |
| hostMappedDesc.userdata = callback->MakeUserdata(ptr); |
| }); |
| |
| wgpu::BufferDescriptor bufferDesc; |
| bufferDesc.usage = usage; |
| bufferDesc.size = size; |
| bufferDesc.nextInChain = &hostMappedDesc; |
| |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc); |
| if (dawn::native::CheckIsErrorForTesting(buffer.Get())) { |
| DeallocMemory(); |
| } else { |
| mDisposeCallback.Use([&](auto callback) { |
| EXPECT_CALL(*callback, Call(ptr)) |
| .WillOnce(testing::InvokeWithoutArgs(DeallocMemory)); |
| }); |
| } |
| |
| return std::make_pair(std::move(buffer), hostMappedDesc.pointer); |
| } |
| |
| private: |
| MutexProtected<testing::MockCallback<WGPUCallback>> mDisposeCallback; |
| }; |
| |
| DAWN_INSTANTIATE_PREFIXED_TEST_P(Win, |
| BufferHostMappedPointerTests, |
| {D3D12Backend()}, |
| {VMBackend::GetInstance(), MMapBackend::GetInstance()}); |
| |
| } // anonymous namespace |
| } // namespace dawn |