| // 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. |
| |
| #include "tests/DawnTest.h" |
| |
| #include "common/Assert.h" |
| #include "common/Constants.h" |
| #include "common/Math.h" |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/TextureFormatUtils.h" |
| #include "utils/WGPUHelpers.h" |
| |
| namespace { |
| bool OpenGLESSupportsStorageTexture(wgpu::TextureFormat format) { |
| // TODO(crbug.com/dawn/595): 32-bit RG* formats are unsupported on OpenGL ES. |
| return format != wgpu::TextureFormat::RG32Float && |
| format != wgpu::TextureFormat::RG32Sint && format != wgpu::TextureFormat::RG32Uint; |
| } |
| } // namespace |
| |
| class StorageTextureTests : public DawnTest { |
| public: |
| static void FillExpectedData(void* pixelValuePtr, |
| wgpu::TextureFormat format, |
| uint32_t x, |
| uint32_t y, |
| uint32_t arrayLayer) { |
| const uint32_t pixelValue = 1 + x + kWidth * (y + kHeight * arrayLayer); |
| ASSERT(pixelValue <= 255u / 4); |
| |
| switch (format) { |
| // 32-bit unsigned integer formats |
| case wgpu::TextureFormat::R32Uint: { |
| uint32_t* valuePtr = static_cast<uint32_t*>(pixelValuePtr); |
| *valuePtr = pixelValue; |
| break; |
| } |
| |
| case wgpu::TextureFormat::RG32Uint: { |
| uint32_t* valuePtr = static_cast<uint32_t*>(pixelValuePtr); |
| valuePtr[0] = pixelValue; |
| valuePtr[1] = pixelValue * 2; |
| break; |
| } |
| |
| case wgpu::TextureFormat::RGBA32Uint: { |
| uint32_t* valuePtr = static_cast<uint32_t*>(pixelValuePtr); |
| valuePtr[0] = pixelValue; |
| valuePtr[1] = pixelValue * 2; |
| valuePtr[2] = pixelValue * 3; |
| valuePtr[3] = pixelValue * 4; |
| break; |
| } |
| |
| // 32-bit signed integer formats |
| case wgpu::TextureFormat::R32Sint: { |
| int32_t* valuePtr = static_cast<int32_t*>(pixelValuePtr); |
| *valuePtr = static_cast<int32_t>(pixelValue); |
| break; |
| } |
| |
| case wgpu::TextureFormat::RG32Sint: { |
| int32_t* valuePtr = static_cast<int32_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<int32_t>(pixelValue); |
| valuePtr[1] = -static_cast<int32_t>(pixelValue); |
| break; |
| } |
| |
| case wgpu::TextureFormat::RGBA32Sint: { |
| int32_t* valuePtr = static_cast<int32_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<int32_t>(pixelValue); |
| valuePtr[1] = -static_cast<int32_t>(pixelValue); |
| valuePtr[2] = static_cast<int32_t>(pixelValue * 2); |
| valuePtr[3] = -static_cast<int32_t>(pixelValue * 2); |
| break; |
| } |
| |
| // 32-bit float formats |
| case wgpu::TextureFormat::R32Float: { |
| float_t* valuePtr = static_cast<float_t*>(pixelValuePtr); |
| *valuePtr = static_cast<float_t>(pixelValue * 1.1f); |
| break; |
| } |
| |
| case wgpu::TextureFormat::RG32Float: { |
| float_t* valuePtr = static_cast<float_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<float_t>(pixelValue * 1.1f); |
| valuePtr[1] = -static_cast<float_t>(pixelValue * 2.2f); |
| break; |
| } |
| |
| case wgpu::TextureFormat::RGBA32Float: { |
| float_t* valuePtr = static_cast<float_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<float_t>(pixelValue * 1.1f); |
| valuePtr[1] = -static_cast<float_t>(pixelValue * 1.1f); |
| valuePtr[2] = static_cast<float_t>(pixelValue * 2.2f); |
| valuePtr[3] = -static_cast<float_t>(pixelValue * 2.2f); |
| break; |
| } |
| |
| // 16-bit (unsigned integer, signed integer and float) 4-component formats |
| case wgpu::TextureFormat::RGBA16Uint: { |
| uint16_t* valuePtr = static_cast<uint16_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<uint16_t>(pixelValue); |
| valuePtr[1] = static_cast<uint16_t>(pixelValue * 2); |
| valuePtr[2] = static_cast<uint16_t>(pixelValue * 3); |
| valuePtr[3] = static_cast<uint16_t>(pixelValue * 4); |
| break; |
| } |
| case wgpu::TextureFormat::RGBA16Sint: { |
| int16_t* valuePtr = static_cast<int16_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<int16_t>(pixelValue); |
| valuePtr[1] = -static_cast<int16_t>(pixelValue); |
| valuePtr[2] = static_cast<int16_t>(pixelValue * 2); |
| valuePtr[3] = -static_cast<int16_t>(pixelValue * 2); |
| break; |
| } |
| |
| case wgpu::TextureFormat::RGBA16Float: { |
| uint16_t* valuePtr = static_cast<uint16_t*>(pixelValuePtr); |
| valuePtr[0] = Float32ToFloat16(static_cast<float_t>(pixelValue)); |
| valuePtr[1] = Float32ToFloat16(-static_cast<float_t>(pixelValue)); |
| valuePtr[2] = Float32ToFloat16(static_cast<float_t>(pixelValue * 2)); |
| valuePtr[3] = Float32ToFloat16(-static_cast<float_t>(pixelValue * 2)); |
| break; |
| } |
| |
| // 8-bit (normalized/non-normalized signed/unsigned integer) 4-component formats |
| case wgpu::TextureFormat::RGBA8Unorm: |
| case wgpu::TextureFormat::RGBA8Uint: { |
| RGBA8* valuePtr = static_cast<RGBA8*>(pixelValuePtr); |
| *valuePtr = RGBA8(pixelValue, pixelValue * 2, pixelValue * 3, pixelValue * 4); |
| break; |
| } |
| |
| case wgpu::TextureFormat::RGBA8Snorm: |
| case wgpu::TextureFormat::RGBA8Sint: { |
| int8_t* valuePtr = static_cast<int8_t*>(pixelValuePtr); |
| valuePtr[0] = static_cast<int8_t>(pixelValue); |
| valuePtr[1] = -static_cast<int8_t>(pixelValue); |
| valuePtr[2] = static_cast<int8_t>(pixelValue) * 2; |
| valuePtr[3] = -static_cast<int8_t>(pixelValue) * 2; |
| break; |
| } |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| std::string GetImageDeclaration(wgpu::TextureFormat format, |
| std::string accessQualifier, |
| bool is2DArray, |
| uint32_t binding) { |
| std::ostringstream ostream; |
| ostream << "[[group(0), binding(" << binding << ")]] " |
| << "var storageImage" << binding << " : " |
| << "[[access(" << accessQualifier << ")]] " |
| << "texture_storage_2d"; |
| if (is2DArray) { |
| ostream << "_array"; |
| } |
| ostream << "<" << utils::GetWGSLImageFormatQualifier(format) << ">;"; |
| return ostream.str(); |
| } |
| |
| const char* GetExpectedPixelValue(wgpu::TextureFormat format) { |
| switch (format) { |
| // non-normalized unsigned integer formats |
| case wgpu::TextureFormat::R32Uint: |
| return "vec4<u32>(u32(value), 0u, 0u, 1u)"; |
| |
| case wgpu::TextureFormat::RG32Uint: |
| return "vec4<u32>(u32(value), u32(value) * 2u, 0u, 1u)"; |
| |
| case wgpu::TextureFormat::RGBA8Uint: |
| case wgpu::TextureFormat::RGBA16Uint: |
| case wgpu::TextureFormat::RGBA32Uint: |
| return "vec4<u32>(u32(value), u32(value) * 2u, " |
| "u32(value) * 3u, u32(value) * 4u)"; |
| |
| // non-normalized signed integer formats |
| case wgpu::TextureFormat::R32Sint: |
| return "vec4<i32>(i32(value), 0, 0, 1)"; |
| |
| case wgpu::TextureFormat::RG32Sint: |
| return "vec4<i32>(i32(value), -i32(value), 0, 1)"; |
| |
| case wgpu::TextureFormat::RGBA8Sint: |
| case wgpu::TextureFormat::RGBA16Sint: |
| case wgpu::TextureFormat::RGBA32Sint: |
| return "vec4<i32>(i32(value), -i32(value), i32(value) * 2, -i32(value) * 2)"; |
| |
| // float formats |
| case wgpu::TextureFormat::R32Float: |
| return "vec4<f32>(f32(value) * 1.1, 0.0, 0.0, 1.0)"; |
| |
| case wgpu::TextureFormat::RG32Float: |
| return "vec4<f32>(f32(value) * 1.1, -f32(value) * 2.2, 0.0, 1.0)"; |
| |
| case wgpu::TextureFormat::RGBA16Float: |
| return "vec4<f32>(f32(value), -f32(value), " |
| "f32(value) * 2.0, -f32(value) * 2.0)"; |
| |
| case wgpu::TextureFormat::RGBA32Float: |
| return "vec4<f32>(f32(value) * 1.1, -f32(value) * 1.1, " |
| "f32(value) * 2.2, -f32(value) * 2.2)"; |
| |
| // normalized signed/unsigned integer formats |
| case wgpu::TextureFormat::RGBA8Unorm: |
| return "vec4<f32>(f32(value) / 255.0, f32(value) / 255.0 * 2.0, " |
| "f32(value) / 255.0 * 3.0, f32(value) / 255.0 * 4.0)"; |
| |
| case wgpu::TextureFormat::RGBA8Snorm: |
| return "vec4<f32>(f32(value) / 127.0, -f32(value) / 127.0, " |
| "f32(value) * 2.0 / 127.0, -f32(value) * 2.0 / 127.0)"; |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| |
| const char* GetComparisonFunction(wgpu::TextureFormat format) { |
| switch (format) { |
| // non-normalized unsigned integer formats |
| case wgpu::TextureFormat::R32Uint: |
| case wgpu::TextureFormat::RG32Uint: |
| case wgpu::TextureFormat::RGBA8Uint: |
| case wgpu::TextureFormat::RGBA16Uint: |
| case wgpu::TextureFormat::RGBA32Uint: |
| return R"( |
| fn IsEqualTo(pixel : vec4<u32>, expected : vec4<u32>) -> bool { |
| return all(pixel == expected); |
| })"; |
| |
| // non-normalized signed integer formats |
| case wgpu::TextureFormat::R32Sint: |
| case wgpu::TextureFormat::RG32Sint: |
| case wgpu::TextureFormat::RGBA8Sint: |
| case wgpu::TextureFormat::RGBA16Sint: |
| case wgpu::TextureFormat::RGBA32Sint: |
| return R"( |
| fn IsEqualTo(pixel : vec4<i32>, expected : vec4<i32>) -> bool { |
| return all(pixel == expected); |
| })"; |
| |
| // float formats |
| case wgpu::TextureFormat::R32Float: |
| case wgpu::TextureFormat::RG32Float: |
| case wgpu::TextureFormat::RGBA16Float: |
| case wgpu::TextureFormat::RGBA32Float: |
| return R"( |
| fn IsEqualTo(pixel : vec4<f32>, expected : vec4<f32>) -> bool { |
| return all(pixel == expected); |
| })"; |
| |
| // normalized signed/unsigned integer formats |
| case wgpu::TextureFormat::RGBA8Unorm: |
| case wgpu::TextureFormat::RGBA8Snorm: |
| // On Windows Intel drivers the tests will fail if tolerance <= 0.00000001f. |
| return R"( |
| fn IsEqualTo(pixel : vec4<f32>, expected : vec4<f32>) -> bool { |
| let tolerance : f32 = 0.0000001; |
| return all(abs(pixel - expected) < vec4<f32>(tolerance, tolerance, tolerance, tolerance)); |
| })"; |
| |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| |
| return ""; |
| } |
| |
| std::string CommonReadOnlyTestCode(wgpu::TextureFormat format, bool is2DArray = false) { |
| std::string componentFmt = utils::GetWGSLColorTextureComponentType(format); |
| auto texelType = "vec4<" + componentFmt + ">"; |
| auto* layerCount = is2DArray ? "textureNumLayers(storageImage0)" : "1"; |
| auto* textureLoad = is2DArray ? "textureLoad(storageImage0, vec2<i32>(x, y), i32(layer))" |
| : "textureLoad(storageImage0, vec2<i32>(x, y))"; |
| |
| std::ostringstream ostream; |
| ostream << GetImageDeclaration(format, "read", is2DArray, 0) << "\n" |
| << GetComparisonFunction(format) << "\n"; |
| ostream << "fn doTest() -> bool {\n"; |
| ostream << " var size : vec2<i32> = textureDimensions(storageImage0);\n"; |
| ostream << " let layerCount : i32 = " << layerCount << ";\n"; |
| ostream << " for (var layer : i32 = 0; layer < layerCount; layer = layer + 1) {\n"; |
| ostream << " for (var y : i32 = 0; y < size.y; y = y + 1) {\n"; |
| ostream << " for (var x : i32 = 0; x < size.x; x = x + 1) {\n"; |
| ostream << " var value : i32 = " << kComputeExpectedValue << ";\n"; |
| ostream << " var expected : " << texelType << " = " << GetExpectedPixelValue(format) |
| << ";\n"; |
| ostream << " var pixel : " << texelType << " = " << textureLoad << ";\n"; |
| ostream << " if (!IsEqualTo(pixel, expected)) {\n"; |
| ostream << " return false;\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << " return true;\n"; |
| ostream << "}\n"; |
| |
| return ostream.str(); |
| } |
| |
| std::string CommonWriteOnlyTestCode(const char* stage, |
| wgpu::TextureFormat format, |
| bool is2DArray = false) { |
| std::string componentFmt = utils::GetWGSLColorTextureComponentType(format); |
| auto texelType = "vec4<" + componentFmt + ">"; |
| auto* layerCount = is2DArray ? "textureNumLayers(storageImage0)" : "1"; |
| auto* textureStore = is2DArray |
| ? "textureStore(storageImage0, vec2<i32>(x, y), layer, expected)" |
| : "textureStore(storageImage0, vec2<i32>(x, y), expected)"; |
| |
| std::ostringstream ostream; |
| ostream << GetImageDeclaration(format, "write", is2DArray, 0) << "\n"; |
| ostream << "[[stage(" << stage << ")]]\n"; |
| ostream << "fn main() {\n"; |
| ostream << " let size : vec2<i32> = textureDimensions(storageImage0);\n"; |
| ostream << " let layerCount : i32 = " << layerCount << ";\n"; |
| ostream << " for (var layer : i32 = 0; layer < layerCount; layer = layer + 1) {\n"; |
| ostream << " for (var y : i32 = 0; y < size.y; y = y + 1) {\n"; |
| ostream << " for (var x : i32 = 0; x < size.x; x = x + 1) {\n"; |
| ostream << " var value : i32 = " << kComputeExpectedValue << ";\n"; |
| ostream << " var expected : " << texelType << " = " << GetExpectedPixelValue(format) |
| << ";\n"; |
| ostream << " " << textureStore << ";\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << "}\n"; |
| |
| return ostream.str(); |
| } |
| |
| std::string CommonReadWriteTestCode(wgpu::TextureFormat format, bool is2DArray = false) { |
| auto* layerCount = is2DArray ? "textureNumLayers(storageImage0)" : "1"; |
| auto* textureStore = is2DArray ? "textureStore(storageImage0, texcoord, layer, " |
| "textureLoad(storageImage1, texcoord, layer))" |
| : "textureStore(storageImage0, texcoord, " |
| "textureLoad(storageImage1, texcoord))"; |
| |
| std::ostringstream ostream; |
| ostream << GetImageDeclaration(format, "write", is2DArray, 0) << "\n"; |
| ostream << GetImageDeclaration(format, "read", is2DArray, 1) << "\n"; |
| ostream << "[[stage(compute)]] fn main() {\n"; |
| ostream << " let size : vec2<i32> = textureDimensions(storageImage0);\n"; |
| ostream << " let layerCount : i32 = " << layerCount << ";\n"; |
| ostream << " for (var layer : i32 = 0; layer < layerCount; layer = layer + 1) {\n"; |
| ostream << " for (var y : i32 = 0; y < size.y; y = y + 1) {\n"; |
| ostream << " for (var x : i32 = 0; x < size.x; x = x + 1) {\n"; |
| ostream << " var texcoord : vec2<i32> = vec2<i32>(x, y);\n"; |
| ostream << " " << textureStore << ";\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << " }\n"; |
| ostream << "}\n"; |
| return ostream.str(); |
| } |
| |
| static std::vector<uint8_t> GetExpectedData(wgpu::TextureFormat format, |
| uint32_t arrayLayerCount = 1) { |
| const uint32_t texelSizeInBytes = utils::GetTexelBlockSizeInBytes(format); |
| |
| std::vector<uint8_t> outputData(texelSizeInBytes * kWidth * kHeight * arrayLayerCount); |
| |
| for (uint32_t i = 0; i < outputData.size() / texelSizeInBytes; ++i) { |
| uint8_t* pixelValuePtr = &outputData[i * texelSizeInBytes]; |
| const uint32_t x = i % kWidth; |
| const uint32_t y = (i % (kWidth * kHeight)) / kWidth; |
| const uint32_t arrayLayer = i / (kWidth * kHeight); |
| FillExpectedData(pixelValuePtr, format, x, y, arrayLayer); |
| } |
| |
| return outputData; |
| } |
| |
| wgpu::Texture CreateTexture(wgpu::TextureFormat format, |
| wgpu::TextureUsage usage, |
| uint32_t width = kWidth, |
| uint32_t height = kHeight, |
| uint32_t arrayLayerCount = 1) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.size = {width, height, arrayLayerCount}; |
| descriptor.format = format; |
| descriptor.usage = usage; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::Buffer CreateEmptyBufferForTextureCopy(uint32_t texelSize, uint32_t arrayLayerCount = 1) { |
| ASSERT(kWidth * texelSize <= kTextureBytesPerRowAlignment); |
| const size_t uploadBufferSize = |
| kTextureBytesPerRowAlignment * (kHeight * arrayLayerCount - 1) + kWidth * texelSize; |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = uploadBufferSize; |
| descriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| return device.CreateBuffer(&descriptor); |
| } |
| |
| wgpu::Texture CreateTextureWithTestData(const std::vector<uint8_t>& initialTextureData, |
| wgpu::TextureFormat format) { |
| uint32_t texelSize = utils::GetTexelBlockSizeInBytes(format); |
| ASSERT(kWidth * texelSize <= kTextureBytesPerRowAlignment); |
| |
| const uint32_t bytesPerTextureRow = texelSize * kWidth; |
| const uint32_t arrayLayerCount = |
| static_cast<uint32_t>(initialTextureData.size() / texelSize / (kWidth * kHeight)); |
| const size_t uploadBufferSize = |
| kTextureBytesPerRowAlignment * (kHeight * arrayLayerCount - 1) + |
| kWidth * bytesPerTextureRow; |
| |
| std::vector<uint8_t> uploadBufferData(uploadBufferSize); |
| for (uint32_t layer = 0; layer < arrayLayerCount; ++layer) { |
| const size_t initialDataOffset = bytesPerTextureRow * kHeight * layer; |
| for (size_t y = 0; y < kHeight; ++y) { |
| for (size_t x = 0; x < bytesPerTextureRow; ++x) { |
| uint8_t data = |
| initialTextureData[initialDataOffset + bytesPerTextureRow * y + x]; |
| size_t indexInUploadBuffer = |
| (kHeight * layer + y) * kTextureBytesPerRowAlignment + x; |
| uploadBufferData[indexInUploadBuffer] = data; |
| } |
| } |
| } |
| wgpu::Buffer uploadBuffer = |
| utils::CreateBufferFromData(device, uploadBufferData.data(), uploadBufferSize, |
| wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); |
| |
| wgpu::Texture outputTexture = |
| CreateTexture(format, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopyDst, kWidth, |
| kHeight, arrayLayerCount); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| const wgpu::Extent3D copyExtent = {kWidth, kHeight, arrayLayerCount}; |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(uploadBuffer, 0, kTextureBytesPerRowAlignment, kHeight); |
| wgpu::ImageCopyTexture imageCopyTexture; |
| imageCopyTexture.texture = outputTexture; |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Extent); |
| |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| |
| return outputTexture; |
| } |
| |
| wgpu::ComputePipeline CreateComputePipeline(const char* computeShader) { |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, computeShader); |
| wgpu::ComputePipelineDescriptor computeDescriptor; |
| computeDescriptor.layout = nullptr; |
| computeDescriptor.computeStage.module = csModule; |
| computeDescriptor.computeStage.entryPoint = "main"; |
| return device.CreateComputePipeline(&computeDescriptor); |
| } |
| |
| wgpu::RenderPipeline CreateRenderPipeline(const char* vertexShader, |
| const char* fragmentShader) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, vertexShader); |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, fragmentShader); |
| |
| utils::ComboRenderPipelineDescriptor desc; |
| desc.vertex.module = vsModule; |
| desc.cFragment.module = fsModule; |
| desc.cTargets[0].format = kRenderAttachmentFormat; |
| desc.primitive.topology = wgpu::PrimitiveTopology::PointList; |
| return device.CreateRenderPipeline(&desc); |
| } |
| |
| void CheckDrawsGreen(const char* vertexShader, |
| const char* fragmentShader, |
| wgpu::Texture readonlyStorageTexture) { |
| wgpu::RenderPipeline pipeline = CreateRenderPipeline(vertexShader, fragmentShader); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), {{0, readonlyStorageTexture.CreateView()}}); |
| |
| // Clear the render attachment to red at the beginning of the render pass. |
| wgpu::Texture outputTexture = |
| CreateTexture(kRenderAttachmentFormat, |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, 1, 1); |
| utils::ComboRenderPassDescriptor renderPassDescriptor({outputTexture.CreateView()}); |
| renderPassDescriptor.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| renderPassDescriptor.cColorAttachments[0].clearColor = {1.f, 0.f, 0.f, 1.f}; |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPassDescriptor); |
| renderPassEncoder.SetBindGroup(0, bindGroup); |
| renderPassEncoder.SetPipeline(pipeline); |
| renderPassEncoder.Draw(1); |
| renderPassEncoder.EndPass(); |
| |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| |
| // Check if the contents in the output texture are all as expected (green). |
| EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, outputTexture, 0, 0) |
| << "\nVertex Shader:\n" |
| << vertexShader << "\n\nFragment Shader:\n" |
| << fragmentShader; |
| } |
| |
| void CheckResultInStorageBuffer(wgpu::Texture readonlyStorageTexture, |
| const std::string& computeShader) { |
| wgpu::ComputePipeline pipeline = CreateComputePipeline(computeShader.c_str()); |
| |
| // Clear the content of the result buffer into 0. |
| constexpr uint32_t kInitialValue = 0; |
| wgpu::Buffer resultBuffer = |
| utils::CreateBufferFromData(device, &kInitialValue, sizeof(kInitialValue), |
| wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopySrc); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, readonlyStorageTexture.CreateView()}, {1, resultBuffer}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder computeEncoder = encoder.BeginComputePass(); |
| computeEncoder.SetBindGroup(0, bindGroup); |
| computeEncoder.SetPipeline(pipeline); |
| computeEncoder.Dispatch(1); |
| computeEncoder.EndPass(); |
| |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| |
| // Check if the contents in the result buffer are what we expect. |
| constexpr uint32_t kExpectedValue = 1u; |
| EXPECT_BUFFER_U32_RANGE_EQ(&kExpectedValue, resultBuffer, 0, 1u); |
| } |
| |
| void WriteIntoStorageTextureInRenderPass(wgpu::Texture writeonlyStorageTexture, |
| const char* kVertexShader, |
| const char* kFragmentShader) { |
| // Create a render pipeline that writes the expected pixel values into the storage texture |
| // without fragment shader outputs. |
| wgpu::RenderPipeline pipeline = CreateRenderPipeline(kVertexShader, kFragmentShader); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), {{0, writeonlyStorageTexture.CreateView()}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| // TODO(jiawei.shao@intel.com): remove the render attachment when Dawn supports beginning a |
| // render pass with no attachments. |
| wgpu::Texture dummyOutputTexture = |
| CreateTexture(kRenderAttachmentFormat, |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, 1, 1); |
| utils::ComboRenderPassDescriptor renderPassDescriptor({dummyOutputTexture.CreateView()}); |
| wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPassDescriptor); |
| renderPassEncoder.SetBindGroup(0, bindGroup); |
| renderPassEncoder.SetPipeline(pipeline); |
| renderPassEncoder.Draw(1); |
| renderPassEncoder.EndPass(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| } |
| |
| void WriteIntoStorageTextureInComputePass(wgpu::Texture writeonlyStorageTexture, |
| const char* computeShader) { |
| // Create a compute pipeline that writes the expected pixel values into the storage texture. |
| wgpu::ComputePipeline pipeline = CreateComputePipeline(computeShader); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), {{0, writeonlyStorageTexture.CreateView()}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder computePassEncoder = encoder.BeginComputePass(); |
| computePassEncoder.SetBindGroup(0, bindGroup); |
| computePassEncoder.SetPipeline(pipeline); |
| computePassEncoder.Dispatch(1); |
| computePassEncoder.EndPass(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| } |
| |
| void ReadWriteIntoStorageTextureInComputePass(wgpu::Texture readonlyStorageTexture, |
| wgpu::Texture writeonlyStorageTexture, |
| const char* computeShader) { |
| // Create a compute pipeline that writes the expected pixel values into the storage texture. |
| wgpu::ComputePipeline pipeline = CreateComputePipeline(computeShader); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), |
| {{0, writeonlyStorageTexture.CreateView()}, {1, readonlyStorageTexture.CreateView()}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder computePassEncoder = encoder.BeginComputePass(); |
| computePassEncoder.SetBindGroup(0, bindGroup); |
| computePassEncoder.SetPipeline(pipeline); |
| computePassEncoder.Dispatch(1); |
| computePassEncoder.EndPass(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| } |
| |
| void CheckOutputStorageTexture(wgpu::Texture writeonlyStorageTexture, |
| wgpu::TextureFormat format, |
| uint32_t arrayLayerCount = 1) { |
| const uint32_t texelSize = utils::GetTexelBlockSizeInBytes(format); |
| const std::vector<uint8_t>& expectedData = GetExpectedData(format, arrayLayerCount); |
| CheckOutputStorageTexture(writeonlyStorageTexture, texelSize, expectedData); |
| } |
| |
| void CheckOutputStorageTexture(wgpu::Texture writeonlyStorageTexture, |
| uint32_t texelSize, |
| const std::vector<uint8_t>& expectedData) { |
| // Copy the content from the write-only storage texture to the result buffer. |
| const uint32_t arrayLayerCount = |
| static_cast<uint32_t>(expectedData.size() / texelSize / (kWidth * kHeight)); |
| wgpu::Buffer resultBuffer = CreateEmptyBufferForTextureCopy(texelSize, arrayLayerCount); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| const wgpu::Extent3D copyExtent = {kWidth, kHeight, arrayLayerCount}; |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(writeonlyStorageTexture, 0, {0, 0, 0}); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(resultBuffer, 0, kTextureBytesPerRowAlignment, kHeight); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, ©Extent); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| |
| // Check if the contents in the result buffer are what we expect. |
| for (size_t layer = 0; layer < arrayLayerCount; ++layer) { |
| for (size_t y = 0; y < kHeight; ++y) { |
| const size_t resultBufferOffset = |
| kTextureBytesPerRowAlignment * (kHeight * layer + y); |
| const size_t expectedDataOffset = texelSize * kWidth * (kHeight * layer + y); |
| EXPECT_BUFFER_U32_RANGE_EQ( |
| reinterpret_cast<const uint32_t*>(expectedData.data() + expectedDataOffset), |
| resultBuffer, resultBufferOffset, kWidth); |
| } |
| } |
| } |
| |
| static constexpr size_t kWidth = 4u; |
| static constexpr size_t kHeight = 4u; |
| static constexpr wgpu::TextureFormat kRenderAttachmentFormat = wgpu::TextureFormat::RGBA8Unorm; |
| |
| const char* kSimpleVertexShader = R"( |
| ; |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(0.0, 0.0, 0.0, 1.0); |
| })"; |
| |
| const char* kComputeExpectedValue = "1 + x + size.x * (y + size.y * layer)"; |
| }; |
| |
| // Test that using read-only storage texture and write-only storage texture in BindGroupLayout is |
| // valid on all backends. This test is a regression test for chromium:1061156 and passes by not |
| // asserting or crashing. |
| TEST_P(StorageTextureTests, BindGroupLayoutWithStorageTextureBindingType) { |
| // ReadOnly is a valid storage texture binding type to create a bind group |
| // layout. |
| { |
| wgpu::BindGroupLayoutEntry entry; |
| entry.binding = 0; |
| entry.visibility = wgpu::ShaderStage::Compute; |
| entry.storageTexture.access = wgpu::StorageTextureAccess::ReadOnly; |
| entry.storageTexture.format = wgpu::TextureFormat::R32Float; |
| wgpu::BindGroupLayoutDescriptor descriptor; |
| descriptor.entryCount = 1; |
| descriptor.entries = &entry; |
| device.CreateBindGroupLayout(&descriptor); |
| } |
| |
| // WriteOnly is a valid storage texture binding type to create a bind group |
| // layout. |
| { |
| wgpu::BindGroupLayoutEntry entry; |
| entry.binding = 0; |
| entry.visibility = wgpu::ShaderStage::Compute; |
| entry.storageTexture.access = wgpu::StorageTextureAccess::WriteOnly; |
| entry.storageTexture.format = wgpu::TextureFormat::R32Float; |
| wgpu::BindGroupLayoutDescriptor descriptor; |
| descriptor.entryCount = 1; |
| descriptor.entries = &entry; |
| device.CreateBindGroupLayout(&descriptor); |
| } |
| } |
| |
| // Test that read-only storage textures are supported in compute shader. |
| TEST_P(StorageTextureTests, ReadonlyStorageTextureInComputeShader) { |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(format)) { |
| continue; |
| } |
| if (IsOpenGLES() && !OpenGLESSupportsStorageTexture(format)) { |
| continue; |
| } |
| |
| // Prepare the read-only storage texture and fill it with the expected data. |
| const std::vector<uint8_t> kInitialTextureData = GetExpectedData(format); |
| wgpu::Texture readonlyStorageTexture = |
| CreateTextureWithTestData(kInitialTextureData, format); |
| |
| // Create a compute shader that reads the pixels from the read-only storage texture and |
| // writes 1 to DstBuffer if they all have to expected value. |
| std::ostringstream csStream; |
| csStream << R"( |
| [[block]] struct DstBuffer { |
| result : u32; |
| }; |
| |
| [[group(0), binding(1)]] var<storage> dstBuffer : [[access(read_write)]] DstBuffer; |
| )" << CommonReadOnlyTestCode(format) |
| << R"( |
| [[stage(compute)]] fn main() { |
| if (doTest()) { |
| dstBuffer.result = 1u; |
| } else { |
| dstBuffer.result = 0u; |
| } |
| })"; |
| |
| CheckResultInStorageBuffer(readonlyStorageTexture, csStream.str()); |
| } |
| } |
| |
| // Test that read-only storage textures are supported in vertex shader. |
| TEST_P(StorageTextureTests, ReadonlyStorageTextureInVertexShader) { |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(format)) { |
| continue; |
| } |
| if (IsOpenGLES() && !OpenGLESSupportsStorageTexture(format)) { |
| continue; |
| } |
| |
| // Prepare the read-only storage texture and fill it with the expected data. |
| const std::vector<uint8_t> kInitialTextureData = GetExpectedData(format); |
| wgpu::Texture readonlyStorageTexture = |
| CreateTextureWithTestData(kInitialTextureData, format); |
| |
| // Create a rendering pipeline that reads the pixels from the read-only storage texture and |
| // uses green as the output color, otherwise uses red instead. |
| std::ostringstream vsStream; |
| vsStream << R"( |
| struct VertexOut { |
| [[location(0)]] color : vec4<f32>; |
| [[builtin(position)]] position : vec4<f32>; |
| }; |
| )" << CommonReadOnlyTestCode(format) |
| << R"( |
| [[stage(vertex)]] fn main() -> VertexOut { |
| var output : VertexOut; |
| output.position = vec4<f32>(0.0, 0.0, 0.0, 1.0); |
| if (doTest()) { |
| output.color = vec4<f32>(0.0, 1.0, 0.0, 1.0); |
| } else { |
| output.color = vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| } |
| return output; |
| })"; |
| const char* kFragmentShader = R"( |
| [[stage(fragment)]] |
| fn main([[location(0)]] color : vec4<f32>) -> [[location(0)]] vec4<f32> { |
| return color; |
| })"; |
| CheckDrawsGreen(vsStream.str().c_str(), kFragmentShader, readonlyStorageTexture); |
| } |
| } |
| |
| // Test that read-only storage textures are supported in fragment shader. |
| TEST_P(StorageTextureTests, ReadonlyStorageTextureInFragmentShader) { |
| // TODO(crbug.com/dawn/672): Investigate why this test fails on Linux |
| // NVidia OpenGLES drivers. |
| DAWN_SUPPRESS_TEST_IF(IsNvidia() && IsLinux() && IsOpenGLES()); |
| |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(format)) { |
| continue; |
| } |
| if (IsOpenGLES() && !OpenGLESSupportsStorageTexture(format)) { |
| continue; |
| } |
| |
| // Prepare the read-only storage texture and fill it with the expected data. |
| const std::vector<uint8_t> kInitialTextureData = GetExpectedData(format); |
| wgpu::Texture readonlyStorageTexture = |
| CreateTextureWithTestData(kInitialTextureData, format); |
| |
| // Create a rendering pipeline that reads the pixels from the read-only storage texture and |
| // uses green as the output color if the pixel value is expected, otherwise uses red |
| // instead. |
| std::ostringstream fsStream; |
| fsStream << CommonReadOnlyTestCode(format) << R"( |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| if (doTest()) { |
| return vec4<f32>(0.0, 1.0, 0.0, 1.0); |
| } |
| return vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| })"; |
| CheckDrawsGreen(kSimpleVertexShader, fsStream.str().c_str(), readonlyStorageTexture); |
| } |
| } |
| |
| // Test that write-only storage textures are supported in compute shader. |
| TEST_P(StorageTextureTests, WriteonlyStorageTextureInComputeShader) { |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(format)) { |
| continue; |
| } |
| if (IsOpenGLES() && !OpenGLESSupportsStorageTexture(format)) { |
| continue; |
| } |
| |
| if (format == wgpu::TextureFormat::RGBA8Snorm && HasToggleEnabled("disable_snorm_read")) { |
| continue; |
| } |
| |
| // TODO(crbug.com/dawn/676): investigate why this test fails with RGBA8Snorm on Linux |
| // Intel OpenGL and OpenGLES drivers. |
| if (format == wgpu::TextureFormat::RGBA8Snorm && IsIntel() && |
| (IsOpenGL() || IsOpenGLES()) && IsLinux()) { |
| continue; |
| } |
| |
| // Prepare the write-only storage texture. |
| wgpu::Texture writeonlyStorageTexture = |
| CreateTexture(format, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc); |
| |
| // Write the expected pixel values into the write-only storage texture. |
| const std::string computeShader = CommonWriteOnlyTestCode("compute", format); |
| WriteIntoStorageTextureInComputePass(writeonlyStorageTexture, computeShader.c_str()); |
| |
| // Verify the pixel data in the write-only storage texture is expected. |
| CheckOutputStorageTexture(writeonlyStorageTexture, format); |
| } |
| } |
| |
| // Test that reading from one read-only storage texture then writing into another write-only storage |
| // texture in one dispatch are supported in compute shader. |
| TEST_P(StorageTextureTests, ReadWriteDifferentStorageTextureInOneDispatchInComputeShader) { |
| // TODO(crbug.com/dawn/636): diagnose and fix this failure on OpenGL ES |
| DAWN_SUPPRESS_TEST_IF(IsOpenGLES()); |
| |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(format)) { |
| continue; |
| } |
| if (IsOpenGLES() && !OpenGLESSupportsStorageTexture(format)) { |
| continue; |
| } |
| |
| // TODO(jiawei.shao@intel.com): investigate why this test fails with RGBA8Snorm on Linux |
| // Intel OpenGL driver. |
| if (format == wgpu::TextureFormat::RGBA8Snorm && IsIntel() && IsOpenGL() && IsLinux()) { |
| continue; |
| } |
| |
| // Prepare the read-only storage texture. |
| const std::vector<uint8_t> kInitialTextureData = GetExpectedData(format); |
| wgpu::Texture readonlyStorageTexture = |
| CreateTextureWithTestData(kInitialTextureData, format); |
| |
| // Prepare the write-only storage texture. |
| wgpu::Texture writeonlyStorageTexture = |
| CreateTexture(format, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc); |
| |
| // Write the expected pixel values into the write-only storage texture. |
| const std::string computeShader = CommonReadWriteTestCode(format); |
| ReadWriteIntoStorageTextureInComputePass(readonlyStorageTexture, writeonlyStorageTexture, |
| computeShader.c_str()); |
| |
| // Verify the pixel data in the write-only storage texture is expected. |
| CheckOutputStorageTexture(writeonlyStorageTexture, format); |
| } |
| } |
| |
| // Test that write-only storage textures are supported in fragment shader. |
| TEST_P(StorageTextureTests, WriteonlyStorageTextureInFragmentShader) { |
| // TODO(crbug.com/dawn/672): Investigate why this test fails on Linux |
| // NVidia OpenGLES drivers. |
| DAWN_SUPPRESS_TEST_IF(IsNvidia() && IsLinux() && IsOpenGLES()); |
| |
| for (wgpu::TextureFormat format : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(format)) { |
| continue; |
| } |
| if (IsOpenGLES() && !OpenGLESSupportsStorageTexture(format)) { |
| continue; |
| } |
| |
| if (format == wgpu::TextureFormat::RGBA8Snorm && HasToggleEnabled("disable_snorm_read")) { |
| continue; |
| } |
| |
| // TODO(crbug.com/dawn/676): investigate why this test fails with RGBA8Snorm on Linux |
| // Intel OpenGL and OpenGLES drivers. |
| if (format == wgpu::TextureFormat::RGBA8Snorm && IsIntel() && |
| (IsOpenGL() || IsOpenGLES()) && IsLinux()) { |
| continue; |
| } |
| |
| // Prepare the write-only storage texture. |
| wgpu::Texture writeonlyStorageTexture = |
| CreateTexture(format, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc); |
| |
| // Write the expected pixel values into the write-only storage texture. |
| const std::string fragmentShader = CommonWriteOnlyTestCode("fragment", format); |
| WriteIntoStorageTextureInRenderPass(writeonlyStorageTexture, kSimpleVertexShader, |
| fragmentShader.c_str()); |
| |
| // Verify the pixel data in the write-only storage texture is expected. |
| CheckOutputStorageTexture(writeonlyStorageTexture, format); |
| } |
| } |
| |
| // Verify 2D array read-only storage texture works correctly. |
| TEST_P(StorageTextureTests, Readonly2DArrayStorageTexture) { |
| constexpr uint32_t kArrayLayerCount = 3u; |
| |
| constexpr wgpu::TextureFormat kTextureFormat = wgpu::TextureFormat::R32Uint; |
| |
| const std::vector<uint8_t> initialTextureData = |
| GetExpectedData(kTextureFormat, kArrayLayerCount); |
| wgpu::Texture readonlyStorageTexture = |
| CreateTextureWithTestData(initialTextureData, kTextureFormat); |
| |
| // Create a compute shader that reads the pixels from the read-only storage texture and writes 1 |
| // to DstBuffer if they all have to expected value. |
| std::ostringstream csStream; |
| csStream << R"( |
| [[block]] struct DstBuffer { |
| result : u32; |
| }; |
| |
| [[group(0), binding(1)]] var<storage> dstBuffer : [[access(read_write)]] DstBuffer; |
| )" << CommonReadOnlyTestCode(kTextureFormat, true) |
| << R"( |
| [[stage(compute)]] fn main() { |
| if (doTest()) { |
| dstBuffer.result = 1u; |
| } else { |
| dstBuffer.result = 0u; |
| } |
| })"; |
| |
| CheckResultInStorageBuffer(readonlyStorageTexture, csStream.str()); |
| } |
| |
| // Verify 2D array write-only storage texture works correctly. |
| TEST_P(StorageTextureTests, Writeonly2DArrayStorageTexture) { |
| constexpr uint32_t kArrayLayerCount = 3u; |
| |
| constexpr wgpu::TextureFormat kTextureFormat = wgpu::TextureFormat::R32Uint; |
| |
| // Prepare the write-only storage texture. |
| wgpu::Texture writeonlyStorageTexture = |
| CreateTexture(kTextureFormat, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc, |
| kWidth, kHeight, kArrayLayerCount); |
| |
| // Write the expected pixel values into the write-only storage texture. |
| const std::string computeShader = CommonWriteOnlyTestCode("compute", kTextureFormat, true); |
| WriteIntoStorageTextureInComputePass(writeonlyStorageTexture, computeShader.c_str()); |
| |
| // Verify the pixel data in the write-only storage texture is expected. |
| CheckOutputStorageTexture(writeonlyStorageTexture, kTextureFormat, kArrayLayerCount); |
| } |
| |
| // Test that multiple dispatches to increment values by ping-ponging between a read-only storage |
| // texture and a write-only storage texture are synchronized in one pass. |
| TEST_P(StorageTextureTests, ReadonlyAndWriteonlyStorageTexturePingPong) { |
| // TODO(crbug.com/dawn/636): diagnose and fix this failure on OpenGL ES |
| DAWN_SUPPRESS_TEST_IF(IsOpenGLES()); |
| |
| constexpr wgpu::TextureFormat kTextureFormat = wgpu::TextureFormat::R32Uint; |
| wgpu::Texture storageTexture1 = CreateTexture( |
| kTextureFormat, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc, 1u, 1u); |
| wgpu::Texture storageTexture2 = CreateTexture( |
| kTextureFormat, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc, 1u, 1u); |
| |
| wgpu::ShaderModule module = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var Src : [[access(read)]] texture_storage_2d<r32uint>; |
| [[group(0), binding(1)]] var Dst : [[access(write)]] texture_storage_2d<r32uint>; |
| [[stage(compute)]] fn main() { |
| var srcValue : vec4<u32> = textureLoad(Src, vec2<i32>(0, 0)); |
| srcValue.x = srcValue.x + 1u; |
| textureStore(Dst, vec2<i32>(0, 0), srcValue); |
| } |
| )"); |
| |
| wgpu::ComputePipelineDescriptor pipelineDesc = {}; |
| pipelineDesc.computeStage.module = module; |
| pipelineDesc.computeStage.entryPoint = "main"; |
| wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&pipelineDesc); |
| |
| // In bindGroupA storageTexture1 is bound as read-only storage texture and storageTexture2 is |
| // bound as write-only storage texture. |
| wgpu::BindGroup bindGroupA = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| { |
| {0, storageTexture1.CreateView()}, |
| {1, storageTexture2.CreateView()}, |
| }); |
| |
| // In bindGroupA storageTexture2 is bound as read-only storage texture and storageTexture1 is |
| // bound as write-only storage texture. |
| wgpu::BindGroup bindGroupB = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| { |
| {0, storageTexture2.CreateView()}, |
| {1, storageTexture1.CreateView()}, |
| }); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(pipeline); |
| |
| // After the first dispatch the value in storageTexture2 should be 1u. |
| pass.SetBindGroup(0, bindGroupA); |
| pass.Dispatch(1); |
| |
| // After the second dispatch the value in storageTexture1 should be 2u; |
| pass.SetBindGroup(0, bindGroupB); |
| pass.Dispatch(1); |
| |
| pass.EndPass(); |
| |
| wgpu::BufferDescriptor bufferDescriptor; |
| bufferDescriptor.size = sizeof(uint32_t); |
| bufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer resultBuffer = device.CreateBuffer(&bufferDescriptor); |
| |
| wgpu::ImageCopyTexture imageCopyTexture; |
| imageCopyTexture.texture = storageTexture1; |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(resultBuffer, 0, 256, 1); |
| wgpu::Extent3D extent3D = {1, 1, 1}; |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, &extent3D); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| constexpr uint32_t kFinalPixelValueInTexture1 = 2u; |
| EXPECT_BUFFER_U32_EQ(kFinalPixelValueInTexture1, resultBuffer, 0); |
| } |
| |
| // Test that multiple dispatches to increment values by ping-ponging between a sampled texture and |
| // a write-only storage texture are synchronized in one pass. |
| TEST_P(StorageTextureTests, SampledAndWriteonlyStorageTexturePingPong) { |
| constexpr wgpu::TextureFormat kTextureFormat = wgpu::TextureFormat::R32Uint; |
| wgpu::Texture storageTexture1 = CreateTexture( |
| kTextureFormat, |
| wgpu::TextureUsage::Sampled | wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc, 1u, |
| 1u); |
| wgpu::Texture storageTexture2 = CreateTexture( |
| kTextureFormat, wgpu::TextureUsage::Sampled | wgpu::TextureUsage::Storage, 1u, 1u); |
| wgpu::ShaderModule module = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var Src : texture_2d<u32>; |
| [[group(0), binding(1)]] var Dst : [[access(write)]] texture_storage_2d<r32uint>; |
| [[stage(compute)]] fn main() { |
| var srcValue : vec4<u32> = textureLoad(Src, vec2<i32>(0, 0), 0); |
| srcValue.x = srcValue.x + 1u; |
| textureStore(Dst, vec2<i32>(0, 0), srcValue); |
| } |
| )"); |
| |
| wgpu::ComputePipelineDescriptor pipelineDesc = {}; |
| pipelineDesc.computeStage.module = module; |
| pipelineDesc.computeStage.entryPoint = "main"; |
| wgpu::ComputePipeline pipeline = device.CreateComputePipeline(&pipelineDesc); |
| |
| // In bindGroupA storageTexture1 is bound as read-only storage texture and storageTexture2 is |
| // bound as write-only storage texture. |
| wgpu::BindGroup bindGroupA = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| { |
| {0, storageTexture1.CreateView()}, |
| {1, storageTexture2.CreateView()}, |
| }); |
| |
| // In bindGroupA storageTexture2 is bound as read-only storage texture and storageTexture1 is |
| // bound as write-only storage texture. |
| wgpu::BindGroup bindGroupB = utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| { |
| {0, storageTexture2.CreateView()}, |
| {1, storageTexture1.CreateView()}, |
| }); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(pipeline); |
| |
| // After the first dispatch the value in storageTexture2 should be 1u. |
| pass.SetBindGroup(0, bindGroupA); |
| pass.Dispatch(1); |
| |
| // After the second dispatch the value in storageTexture1 should be 2u; |
| pass.SetBindGroup(0, bindGroupB); |
| pass.Dispatch(1); |
| |
| pass.EndPass(); |
| |
| wgpu::BufferDescriptor bufferDescriptor; |
| bufferDescriptor.size = sizeof(uint32_t); |
| bufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer resultBuffer = device.CreateBuffer(&bufferDescriptor); |
| |
| wgpu::ImageCopyTexture imageCopyTexture; |
| imageCopyTexture.texture = storageTexture1; |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(resultBuffer, 0, 256, 1); |
| wgpu::Extent3D extent3D = {1, 1, 1}; |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, &extent3D); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| constexpr uint32_t kFinalPixelValueInTexture1 = 2u; |
| EXPECT_BUFFER_U32_EQ(kFinalPixelValueInTexture1, resultBuffer, 0); |
| } |
| |
| DAWN_INSTANTIATE_TEST(StorageTextureTests, |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| class StorageTextureZeroInitTests : public StorageTextureTests { |
| public: |
| static std::vector<uint8_t> GetExpectedData() { |
| constexpr wgpu::TextureFormat kTextureFormat = wgpu::TextureFormat::R32Uint; |
| |
| const uint32_t texelSizeInBytes = utils::GetTexelBlockSizeInBytes(kTextureFormat); |
| const size_t kDataCount = texelSizeInBytes * kWidth * kHeight; |
| std::vector<uint8_t> outputData(kDataCount, 0); |
| |
| uint32_t* outputDataPtr = reinterpret_cast<uint32_t*>(&outputData[0]); |
| *outputDataPtr = 1u; |
| |
| return outputData; |
| } |
| |
| const char* kCommonReadOnlyZeroInitTestCode = R"( |
| fn doTest() -> bool { |
| for (var y : i32 = 0; y < 4; y = y + 1) { |
| for (var x : i32 = 0; x < 4; x = x + 1) { |
| var pixel : vec4<u32> = textureLoad(srcImage, vec2<i32>(x, y)); |
| if (any(pixel != vec4<u32>(0u, 0u, 0u, 1u))) { |
| return false; |
| } |
| } |
| } |
| return true; |
| })"; |
| |
| const char* kCommonWriteOnlyZeroInitTestCodeFragment = R"( |
| [[group(0), binding(0)]] var dstImage : [[access(write)]] texture_storage_2d<r32uint>; |
| |
| [[stage(fragment)]] fn main() { |
| textureStore(dstImage, vec2<i32>(0, 0), vec4<u32>(1u, 0u, 0u, 1u)); |
| })"; |
| const char* kCommonWriteOnlyZeroInitTestCodeCompute = R"( |
| [[group(0), binding(0)]] var dstImage : [[access(write)]] texture_storage_2d<r32uint>; |
| |
| [[stage(compute)]] fn main() { |
| textureStore(dstImage, vec2<i32>(0, 0), vec4<u32>(1u, 0u, 0u, 1u)); |
| })"; |
| }; |
| |
| // Verify that the texture is correctly cleared to 0 before its first usage as a read-only storage |
| // texture in a render pass. |
| TEST_P(StorageTextureZeroInitTests, ReadonlyStorageTextureClearsToZeroInRenderPass) { |
| wgpu::Texture readonlyStorageTexture = |
| CreateTexture(wgpu::TextureFormat::R32Uint, wgpu::TextureUsage::Storage); |
| |
| // Create a rendering pipeline that reads the pixels from the read-only storage texture and uses |
| // green as the output color, otherwise uses red instead. |
| const char* kVertexShader = kSimpleVertexShader; |
| const std::string kFragmentShader = std::string(R"( |
| [[group(0), binding(0)]] var srcImage : [[access(read)]] texture_storage_2d<r32uint>; |
| )") + kCommonReadOnlyZeroInitTestCode + |
| R"( |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| if (doTest()) { |
| return vec4<f32>(0.0, 1.0, 0.0, 1.0); |
| } |
| return vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| })"; |
| CheckDrawsGreen(kVertexShader, kFragmentShader.c_str(), readonlyStorageTexture); |
| } |
| |
| // Verify that the texture is correctly cleared to 0 before its first usage as a read-only storage |
| // texture in a compute pass. |
| TEST_P(StorageTextureZeroInitTests, ReadonlyStorageTextureClearsToZeroInComputePass) { |
| wgpu::Texture readonlyStorageTexture = |
| CreateTexture(wgpu::TextureFormat::R32Uint, wgpu::TextureUsage::Storage); |
| |
| // Create a compute shader that reads the pixels from the read-only storage texture and writes 1 |
| // to DstBuffer if they all have to expected value. |
| const std::string kComputeShader = std::string(R"( |
| [[block]] struct DstBuffer { |
| result : u32; |
| }; |
| |
| [[group(0), binding(0)]] var srcImage : [[access(read)]] texture_storage_2d<r32uint>; |
| [[group(0), binding(1)]] var<storage> dstBuffer : [[access(read_write)]] DstBuffer; |
| )") + kCommonReadOnlyZeroInitTestCode + R"( |
| [[stage(compute)]] fn main() { |
| if (doTest()) { |
| dstBuffer.result = 1u; |
| } else { |
| dstBuffer.result = 0u; |
| } |
| })"; |
| |
| CheckResultInStorageBuffer(readonlyStorageTexture, kComputeShader); |
| } |
| |
| // Verify that the texture is correctly cleared to 0 before its first usage as a write-only storage |
| // storage texture in a render pass. |
| TEST_P(StorageTextureZeroInitTests, WriteonlyStorageTextureClearsToZeroInRenderPass) { |
| // Prepare the write-only storage texture. |
| constexpr uint32_t kTexelSizeR32Uint = 4u; |
| wgpu::Texture writeonlyStorageTexture = CreateTexture( |
| wgpu::TextureFormat::R32Uint, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc); |
| |
| WriteIntoStorageTextureInRenderPass(writeonlyStorageTexture, kSimpleVertexShader, |
| kCommonWriteOnlyZeroInitTestCodeFragment); |
| CheckOutputStorageTexture(writeonlyStorageTexture, kTexelSizeR32Uint, GetExpectedData()); |
| } |
| |
| // Verify that the texture is correctly cleared to 0 before its first usage as a write-only storage |
| // texture in a compute pass. |
| TEST_P(StorageTextureZeroInitTests, WriteonlyStorageTextureClearsToZeroInComputePass) { |
| // Prepare the write-only storage texture. |
| constexpr uint32_t kTexelSizeR32Uint = 4u; |
| wgpu::Texture writeonlyStorageTexture = CreateTexture( |
| wgpu::TextureFormat::R32Uint, wgpu::TextureUsage::Storage | wgpu::TextureUsage::CopySrc); |
| |
| WriteIntoStorageTextureInComputePass(writeonlyStorageTexture, |
| kCommonWriteOnlyZeroInitTestCodeCompute); |
| CheckOutputStorageTexture(writeonlyStorageTexture, kTexelSizeR32Uint, GetExpectedData()); |
| } |
| |
| DAWN_INSTANTIATE_TEST(StorageTextureZeroInitTests, |
| D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}), |
| OpenGLBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| OpenGLESBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| MetalBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| VulkanBackend({"nonzero_clear_resources_on_creation_for_testing"})); |
