| // Copyright 2017 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 <cstring> |
| |
| class BufferMapReadTests : public DawnTest { |
| protected: |
| static void MapReadCallback(WGPUBufferMapAsyncStatus status, |
| const void* data, |
| uint64_t, |
| void* userdata) { |
| ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status); |
| ASSERT_NE(nullptr, data); |
| |
| static_cast<BufferMapReadTests*>(userdata)->mappedData = data; |
| } |
| |
| const void* MapReadAsyncAndWait(const wgpu::Buffer& buffer) { |
| buffer.MapReadAsync(MapReadCallback, this); |
| |
| while (mappedData == nullptr) { |
| WaitABit(); |
| } |
| |
| return mappedData; |
| } |
| |
| void UnmapBuffer(const wgpu::Buffer& buffer) { |
| buffer.Unmap(); |
| mappedData = nullptr; |
| } |
| |
| private: |
| const void* mappedData = nullptr; |
| }; |
| |
| // Test that the simplest map read works. |
| TEST_P(BufferMapReadTests, SmallReadAtZero) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t myData = 0x01020304; |
| buffer.SetSubData(0, sizeof(myData), &myData); |
| |
| const void* mappedData = MapReadAsyncAndWait(buffer); |
| ASSERT_EQ(myData, *reinterpret_cast<const uint32_t*>(mappedData)); |
| |
| UnmapBuffer(buffer); |
| } |
| |
| // Map, read and unmap twice. Test that both of these two iterations work. |
| TEST_P(BufferMapReadTests, MapTwice) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t myData = 0x01020304; |
| buffer.SetSubData(0, sizeof(myData), &myData); |
| |
| const void* mappedData = MapReadAsyncAndWait(buffer); |
| EXPECT_EQ(myData, *reinterpret_cast<const uint32_t*>(mappedData)); |
| |
| UnmapBuffer(buffer); |
| |
| myData = 0x05060708; |
| buffer.SetSubData(0, sizeof(myData), &myData); |
| |
| const void* mappedData1 = MapReadAsyncAndWait(buffer); |
| EXPECT_EQ(myData, *reinterpret_cast<const uint32_t*>(mappedData1)); |
| |
| UnmapBuffer(buffer); |
| } |
| |
| // Test mapping a large buffer. |
| TEST_P(BufferMapReadTests, LargeRead) { |
| constexpr uint32_t kDataSize = 1000 * 1000; |
| std::vector<uint32_t> myData; |
| for (uint32_t i = 0; i < kDataSize; ++i) { |
| myData.push_back(i); |
| } |
| |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = static_cast<uint32_t>(kDataSize * sizeof(uint32_t)); |
| descriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| buffer.SetSubData(0, kDataSize * sizeof(uint32_t), myData.data()); |
| |
| const void* mappedData = MapReadAsyncAndWait(buffer); |
| ASSERT_EQ(0, memcmp(mappedData, myData.data(), kDataSize * sizeof(uint32_t))); |
| |
| UnmapBuffer(buffer); |
| } |
| |
| DAWN_INSTANTIATE_TEST(BufferMapReadTests, D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend()); |
| |
| class BufferMapWriteTests : public DawnTest { |
| protected: |
| static void MapWriteCallback(WGPUBufferMapAsyncStatus status, |
| void* data, |
| uint64_t, |
| void* userdata) { |
| ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status); |
| ASSERT_NE(nullptr, data); |
| |
| static_cast<BufferMapWriteTests*>(userdata)->mappedData = data; |
| } |
| |
| void* MapWriteAsyncAndWait(const wgpu::Buffer& buffer) { |
| buffer.MapWriteAsync(MapWriteCallback, this); |
| |
| while (mappedData == nullptr) { |
| WaitABit(); |
| } |
| |
| // Ensure the prior write's status is updated. |
| void* resultPointer = mappedData; |
| mappedData = nullptr; |
| |
| return resultPointer; |
| } |
| |
| void UnmapBuffer(const wgpu::Buffer& buffer) { |
| buffer.Unmap(); |
| mappedData = nullptr; |
| } |
| |
| private: |
| void* mappedData = nullptr; |
| }; |
| |
| // Test that the simplest map write works. |
| TEST_P(BufferMapWriteTests, SmallWriteAtZero) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t myData = 2934875; |
| void* mappedData = MapWriteAsyncAndWait(buffer); |
| memcpy(mappedData, &myData, sizeof(myData)); |
| UnmapBuffer(buffer); |
| |
| EXPECT_BUFFER_U32_EQ(myData, buffer, 0); |
| } |
| |
| // Map, write and unmap twice. Test that both of these two iterations work. |
| TEST_P(BufferMapWriteTests, MapTwice) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t myData = 2934875; |
| void* mappedData = MapWriteAsyncAndWait(buffer); |
| memcpy(mappedData, &myData, sizeof(myData)); |
| UnmapBuffer(buffer); |
| |
| EXPECT_BUFFER_U32_EQ(myData, buffer, 0); |
| |
| myData = 9999999; |
| void* mappedData1 = MapWriteAsyncAndWait(buffer); |
| memcpy(mappedData1, &myData, sizeof(myData)); |
| UnmapBuffer(buffer); |
| |
| EXPECT_BUFFER_U32_EQ(myData, buffer, 0); |
| } |
| |
| // Test mapping a large buffer. |
| TEST_P(BufferMapWriteTests, LargeWrite) { |
| constexpr uint32_t kDataSize = 1000 * 1000; |
| std::vector<uint32_t> myData; |
| for (uint32_t i = 0; i < kDataSize; ++i) { |
| myData.push_back(i); |
| } |
| |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = static_cast<uint32_t>(kDataSize * sizeof(uint32_t)); |
| descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| void* mappedData = MapWriteAsyncAndWait(buffer); |
| memcpy(mappedData, myData.data(), kDataSize * sizeof(uint32_t)); |
| UnmapBuffer(buffer); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(myData.data(), buffer, 0, kDataSize); |
| } |
| |
| // Stress test mapping many buffers. |
| TEST_P(BufferMapWriteTests, ManyWrites) { |
| constexpr uint32_t kDataSize = 1000; |
| std::vector<uint32_t> myData; |
| for (uint32_t i = 0; i < kDataSize; ++i) { |
| myData.push_back(i); |
| } |
| |
| std::vector<wgpu::Buffer> buffers; |
| |
| constexpr uint32_t kBuffers = 100; |
| for (uint32_t i = 0; i < kBuffers; ++i) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = static_cast<uint32_t>(kDataSize * sizeof(uint32_t)); |
| descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| void* mappedData = MapWriteAsyncAndWait(buffer); |
| memcpy(mappedData, myData.data(), kDataSize * sizeof(uint32_t)); |
| UnmapBuffer(buffer); |
| |
| buffers.push_back(buffer); // Destroy buffers upon return. |
| } |
| |
| for (uint32_t i = 0; i < kBuffers; ++i) { |
| EXPECT_BUFFER_U32_RANGE_EQ(myData.data(), buffers[i], 0, kDataSize); |
| } |
| } |
| |
| DAWN_INSTANTIATE_TEST(BufferMapWriteTests, D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend()); |
| |
| class BufferSetSubDataTests : public DawnTest { |
| }; |
| |
| // Test the simplest set sub data: setting one u32 at offset 0. |
| TEST_P(BufferSetSubDataTests, SmallDataAtZero) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t value = 0x01020304; |
| buffer.SetSubData(0, sizeof(value), &value); |
| |
| EXPECT_BUFFER_U32_EQ(value, buffer, 0); |
| } |
| |
| // Test the simplest set sub data: setting nothing |
| TEST_P(BufferSetSubDataTests, ZeroSized) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t initialValue = 0x42; |
| buffer.SetSubData(0, sizeof(initialValue), &initialValue); |
| |
| buffer.SetSubData(0, 0, nullptr); |
| |
| // The content of the buffer isn't changed |
| EXPECT_BUFFER_U32_EQ(initialValue, buffer, 0); |
| } |
| |
| // Call SetSubData at offset 0 via a u32 twice. Test that data is updated accoordingly. |
| TEST_P(BufferSetSubDataTests, SetTwice) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| uint32_t value = 0x01020304; |
| buffer.SetSubData(0, sizeof(value), &value); |
| |
| EXPECT_BUFFER_U32_EQ(value, buffer, 0); |
| |
| value = 0x05060708; |
| buffer.SetSubData(0, sizeof(value), &value); |
| |
| EXPECT_BUFFER_U32_EQ(value, buffer, 0); |
| } |
| |
| // Test that SetSubData offset works. |
| TEST_P(BufferSetSubDataTests, SmallDataAtOffset) { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 4000; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| constexpr uint64_t kOffset = 2000; |
| uint32_t value = 0x01020304; |
| buffer.SetSubData(kOffset, sizeof(value), &value); |
| |
| EXPECT_BUFFER_U32_EQ(value, buffer, kOffset); |
| } |
| |
| // Stress test for many calls to SetSubData |
| TEST_P(BufferSetSubDataTests, ManySetSubData) { |
| // Note: Increasing the size of the buffer will likely cause timeout issues. |
| // In D3D12, timeout detection occurs when the GPU scheduler tries but cannot preempt the task |
| // executing these commands in-flight. If this takes longer than ~2s, a device reset occurs and |
| // fails the test. Since GPUs may or may not complete by then, this test must be disabled OR |
| // modified to be well-below the timeout limit. |
| |
| // TODO (jiawei.shao@intel.com): find out why this test fails on Intel Vulkan Linux bots. |
| DAWN_SKIP_TEST_IF(IsIntel() && IsVulkan() && IsLinux()); |
| // TODO(https://bugs.chromium.org/p/dawn/issues/detail?id=228): Re-enable |
| // once the issue with Metal on 10.14.6 is fixed. |
| DAWN_SKIP_TEST_IF(IsMacOS() && IsIntel() && IsMetal()); |
| |
| constexpr uint64_t kSize = 4000 * 1000; |
| constexpr uint32_t kElements = 500 * 500; |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = kSize; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| std::vector<uint32_t> expectedData; |
| for (uint32_t i = 0; i < kElements; ++i) { |
| buffer.SetSubData(i * sizeof(uint32_t), sizeof(i), &i); |
| expectedData.push_back(i); |
| } |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), buffer, 0, kElements); |
| } |
| |
| // Test using SetSubData for lots of data |
| TEST_P(BufferSetSubDataTests, LargeSetSubData) { |
| constexpr uint64_t kSize = 4000 * 1000; |
| constexpr uint32_t kElements = 1000 * 1000; |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = kSize; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| std::vector<uint32_t> expectedData; |
| for (uint32_t i = 0; i < kElements; ++i) { |
| expectedData.push_back(i); |
| } |
| |
| buffer.SetSubData(0, kElements * sizeof(uint32_t), expectedData.data()); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), buffer, 0, kElements); |
| } |
| |
| // Test using SetSubData for super large data block |
| TEST_P(BufferSetSubDataTests, SuperLargeSetSubData) { |
| constexpr uint64_t kSize = 12000 * 1000; |
| constexpr uint64_t kElements = 3000 * 1000; |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = kSize; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| |
| std::vector<uint32_t> expectedData; |
| for (uint32_t i = 0; i < kElements; ++i) { |
| expectedData.push_back(i); |
| } |
| |
| buffer.SetSubData(0, kElements * sizeof(uint32_t), expectedData.data()); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedData.data(), buffer, 0, kElements); |
| } |
| |
| DAWN_INSTANTIATE_TEST(BufferSetSubDataTests, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| VulkanBackend()); |
| |
| // TODO(enga): These tests should use the testing toggle to initialize resources to 1. |
| class CreateBufferMappedTests : public DawnTest { |
| protected: |
| static void MapReadCallback(WGPUBufferMapAsyncStatus status, |
| const void* data, |
| uint64_t, |
| void* userdata) { |
| ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status); |
| ASSERT_NE(nullptr, data); |
| |
| static_cast<CreateBufferMappedTests*>(userdata)->mappedData = data; |
| } |
| |
| const void* MapReadAsyncAndWait(const wgpu::Buffer& buffer) { |
| buffer.MapReadAsync(MapReadCallback, this); |
| |
| while (mappedData == nullptr) { |
| WaitABit(); |
| } |
| |
| return mappedData; |
| } |
| |
| void UnmapBuffer(const wgpu::Buffer& buffer) { |
| buffer.Unmap(); |
| mappedData = nullptr; |
| } |
| |
| void CheckResultStartsZeroed(const wgpu::CreateBufferMappedResult& result, uint64_t size) { |
| ASSERT_EQ(result.dataLength, size); |
| for (uint64_t i = 0; i < result.dataLength; ++i) { |
| uint8_t value = *(reinterpret_cast<uint8_t*>(result.data) + i); |
| ASSERT_EQ(value, 0u); |
| } |
| } |
| |
| wgpu::CreateBufferMappedResult CreateBufferMapped(wgpu::BufferUsage usage, uint64_t size) { |
| wgpu::BufferDescriptor descriptor = {}; |
| descriptor.size = size; |
| descriptor.usage = usage; |
| |
| wgpu::CreateBufferMappedResult result = device.CreateBufferMapped(&descriptor); |
| CheckResultStartsZeroed(result, size); |
| return result; |
| } |
| |
| wgpu::CreateBufferMappedResult CreateBufferMappedWithData(wgpu::BufferUsage usage, |
| const std::vector<uint32_t>& data) { |
| size_t byteLength = data.size() * sizeof(uint32_t); |
| wgpu::CreateBufferMappedResult result = CreateBufferMapped(usage, byteLength); |
| memcpy(result.data, data.data(), byteLength); |
| |
| return result; |
| } |
| |
| private: |
| const void* mappedData = nullptr; |
| }; |
| |
| // Test that the simplest CreateBufferMapped works for MapWrite buffers. |
| TEST_P(CreateBufferMappedTests, MapWriteUsageSmall) { |
| uint32_t myData = 230502; |
| wgpu::CreateBufferMappedResult result = CreateBufferMappedWithData( |
| wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc, {myData}); |
| UnmapBuffer(result.buffer); |
| EXPECT_BUFFER_U32_EQ(myData, result.buffer, 0); |
| } |
| |
| // Test that the simplest CreateBufferMapped works for MapRead buffers. |
| TEST_P(CreateBufferMappedTests, MapReadUsageSmall) { |
| uint32_t myData = 230502; |
| wgpu::CreateBufferMappedResult result = |
| CreateBufferMappedWithData(wgpu::BufferUsage::MapRead, {myData}); |
| UnmapBuffer(result.buffer); |
| |
| const void* mappedData = MapReadAsyncAndWait(result.buffer); |
| ASSERT_EQ(myData, *reinterpret_cast<const uint32_t*>(mappedData)); |
| UnmapBuffer(result.buffer); |
| } |
| |
| // Test that the simplest CreateBufferMapped works for non-mappable buffers. |
| TEST_P(CreateBufferMappedTests, NonMappableUsageSmall) { |
| uint32_t myData = 4239; |
| wgpu::CreateBufferMappedResult result = |
| CreateBufferMappedWithData(wgpu::BufferUsage::CopySrc, {myData}); |
| UnmapBuffer(result.buffer); |
| |
| EXPECT_BUFFER_U32_EQ(myData, result.buffer, 0); |
| } |
| |
| // Test CreateBufferMapped for a large MapWrite buffer |
| TEST_P(CreateBufferMappedTests, MapWriteUsageLarge) { |
| constexpr uint64_t kDataSize = 1000 * 1000; |
| std::vector<uint32_t> myData; |
| for (uint32_t i = 0; i < kDataSize; ++i) { |
| myData.push_back(i); |
| } |
| |
| wgpu::CreateBufferMappedResult result = CreateBufferMappedWithData( |
| wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc, {myData}); |
| UnmapBuffer(result.buffer); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(myData.data(), result.buffer, 0, kDataSize); |
| } |
| |
| // Test CreateBufferMapped for a large MapRead buffer |
| TEST_P(CreateBufferMappedTests, MapReadUsageLarge) { |
| constexpr uint64_t kDataSize = 1000 * 1000; |
| std::vector<uint32_t> myData; |
| for (uint32_t i = 0; i < kDataSize; ++i) { |
| myData.push_back(i); |
| } |
| |
| wgpu::CreateBufferMappedResult result = |
| CreateBufferMappedWithData(wgpu::BufferUsage::MapRead, myData); |
| UnmapBuffer(result.buffer); |
| |
| const void* mappedData = MapReadAsyncAndWait(result.buffer); |
| ASSERT_EQ(0, memcmp(mappedData, myData.data(), kDataSize * sizeof(uint32_t))); |
| UnmapBuffer(result.buffer); |
| } |
| |
| // Test CreateBufferMapped for a large non-mappable buffer |
| TEST_P(CreateBufferMappedTests, NonMappableUsageLarge) { |
| constexpr uint64_t kDataSize = 1000 * 1000; |
| std::vector<uint32_t> myData; |
| for (uint32_t i = 0; i < kDataSize; ++i) { |
| myData.push_back(i); |
| } |
| |
| wgpu::CreateBufferMappedResult result = |
| CreateBufferMappedWithData(wgpu::BufferUsage::CopySrc, {myData}); |
| UnmapBuffer(result.buffer); |
| |
| EXPECT_BUFFER_U32_RANGE_EQ(myData.data(), result.buffer, 0, kDataSize); |
| } |
| |
| // Test that mapping a buffer is valid after CreateBufferMapped and Unmap |
| TEST_P(CreateBufferMappedTests, CreateThenMapSuccess) { |
| static uint32_t myData = 230502; |
| static uint32_t myData2 = 1337; |
| wgpu::CreateBufferMappedResult result = CreateBufferMappedWithData( |
| wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc, {myData}); |
| UnmapBuffer(result.buffer); |
| |
| EXPECT_BUFFER_U32_EQ(myData, result.buffer, 0); |
| |
| bool done = false; |
| result.buffer.MapWriteAsync( |
| [](WGPUBufferMapAsyncStatus status, void* data, uint64_t, void* userdata) { |
| ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status); |
| ASSERT_NE(nullptr, data); |
| |
| *static_cast<uint32_t*>(data) = myData2; |
| *static_cast<bool*>(userdata) = true; |
| }, |
| &done); |
| |
| while (!done) { |
| WaitABit(); |
| } |
| |
| UnmapBuffer(result.buffer); |
| EXPECT_BUFFER_U32_EQ(myData2, result.buffer, 0); |
| } |
| |
| // Test that is is invalid to map a buffer twice when using CreateBufferMapped |
| TEST_P(CreateBufferMappedTests, CreateThenMapBeforeUnmapFailure) { |
| uint32_t myData = 230502; |
| wgpu::CreateBufferMappedResult result = CreateBufferMappedWithData( |
| wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc, {myData}); |
| |
| ASSERT_DEVICE_ERROR([&]() { |
| bool done = false; |
| result.buffer.MapWriteAsync( |
| [](WGPUBufferMapAsyncStatus status, void* data, uint64_t, void* userdata) { |
| ASSERT_EQ(WGPUBufferMapAsyncStatus_Error, status); |
| ASSERT_EQ(nullptr, data); |
| |
| *static_cast<bool*>(userdata) = true; |
| }, |
| &done); |
| |
| while (!done) { |
| WaitABit(); |
| } |
| }()); |
| |
| // CreateBufferMapped is unaffected by the MapWrite error. |
| UnmapBuffer(result.buffer); |
| EXPECT_BUFFER_U32_EQ(myData, result.buffer, 0); |
| } |
| |
| // Test that creating a very large buffers fails gracefully. |
| TEST_P(CreateBufferMappedTests, LargeBufferFails) { |
| // TODO(http://crbug.com/dawn/27): Missing support. |
| DAWN_SKIP_TEST_IF(IsMetal() || IsOpenGL()); |
| |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = std::numeric_limits<uint64_t>::max(); |
| descriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst; |
| ASSERT_DEVICE_ERROR(device.CreateBuffer(&descriptor)); |
| } |
| |
| DAWN_INSTANTIATE_TEST(CreateBufferMappedTests, |
| D3D12Backend(), |
| D3D12Backend({}, {"use_d3d12_resource_heap_tier2"}), |
| MetalBackend(), |
| OpenGLBackend(), |
| VulkanBackend()); |
| |
| class BufferTests : public DawnTest {}; |
| |
| TEST_P(BufferTests, ZeroSizedBuffer) { |
| wgpu::BufferDescriptor desc; |
| desc.size = 0; |
| desc.usage = wgpu::BufferUsage::CopyDst; |
| device.CreateBuffer(&desc); |
| } |
| |
| DAWN_INSTANTIATE_TEST(BufferTests, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| VulkanBackend()); |
