| // 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 "common/Assert.h" |
| #include "tests/unittests/validation/ValidationTest.h" |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/TextureFormatUtils.h" |
| #include "utils/WGPUHelpers.h" |
| |
| class StorageTextureValidationTests : public ValidationTest { |
| protected: |
| void SetUp() override { |
| ValidationTest::SetUp(); |
| |
| mDefaultVSModule = utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(0.0, 0.0, 0.0, 1.0); |
| })"); |
| mDefaultFSModule = utils::CreateShaderModule(device, R"( |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| return vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| })"); |
| } |
| |
| static const char* GetFloatImageTypeDeclaration(wgpu::TextureViewDimension dimension) { |
| // TODO(bclayton): Support and test texture_storage_1d_array |
| switch (dimension) { |
| case wgpu::TextureViewDimension::e1D: |
| return "texture_storage_1d"; |
| case wgpu::TextureViewDimension::e2D: |
| return "texture_storage_2d"; |
| case wgpu::TextureViewDimension::e2DArray: |
| return "texture_storage_2d_array"; |
| case wgpu::TextureViewDimension::e3D: |
| return "texture_storage_3d"; |
| case wgpu::TextureViewDimension::Cube: |
| return "texture_storage_cube"; // Note: Doesn't exist in WGSL (yet) |
| case wgpu::TextureViewDimension::CubeArray: |
| return "texture_storage_cube_array"; // Note: Doesn't exist in WGSL (yet) |
| case wgpu::TextureViewDimension::Undefined: |
| default: |
| UNREACHABLE(); |
| return ""; |
| } |
| } |
| |
| static std::string CreateComputeShaderWithStorageTexture( |
| wgpu::StorageTextureAccess storageTextureBindingType, |
| wgpu::TextureFormat textureFormat, |
| wgpu::TextureViewDimension textureViewDimension = wgpu::TextureViewDimension::e2D) { |
| return CreateComputeShaderWithStorageTexture( |
| storageTextureBindingType, utils::GetWGSLImageFormatQualifier(textureFormat), |
| GetFloatImageTypeDeclaration(textureViewDimension)); |
| } |
| |
| static std::string CreateComputeShaderWithStorageTexture( |
| wgpu::StorageTextureAccess storageTextureBindingType, |
| const char* imageFormatQualifier, |
| const char* imageTypeDeclaration = "texture_storage_2d") { |
| const char* access = ""; |
| switch (storageTextureBindingType) { |
| case wgpu::StorageTextureAccess::ReadOnly: |
| access = "read"; |
| break; |
| case wgpu::StorageTextureAccess::WriteOnly: |
| access = "write"; |
| break; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| |
| std::ostringstream ostream; |
| ostream << "[[group(0), binding(0)]] var image0 : " |
| << "[[access(" << access << ")]] " << imageTypeDeclaration << "<" |
| << imageFormatQualifier |
| << ">;\n" |
| "[[stage(compute)]] fn main() {\n" |
| " textureDimensions(image0);\n" |
| "}\n"; |
| |
| return ostream.str(); |
| } |
| |
| wgpu::Texture CreateTexture(wgpu::TextureUsage usage, |
| wgpu::TextureFormat format, |
| uint32_t sampleCount = 1, |
| uint32_t arrayLayerCount = 1) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size = {16, 16, arrayLayerCount}; |
| descriptor.sampleCount = sampleCount; |
| descriptor.format = format; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = usage; |
| return device.CreateTexture(&descriptor); |
| } |
| |
| wgpu::ShaderModule mDefaultVSModule; |
| wgpu::ShaderModule mDefaultFSModule; |
| |
| const std::array<wgpu::StorageTextureAccess, 2> kSupportedStorageTextureAccess = { |
| wgpu::StorageTextureAccess::ReadOnly, wgpu::StorageTextureAccess::WriteOnly}; |
| }; |
| |
| // Validate read-only storage textures can be declared in vertex and fragment shaders, while |
| // writeonly storage textures cannot be used in vertex shaders. |
| TEST_F(StorageTextureValidationTests, RenderPipeline) { |
| // Readonly storage texture can be declared in a vertex shader. |
| { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(read)]] texture_storage_2d<rgba8unorm>; |
| [[stage(vertex)]] fn main( |
| [[builtin(vertex_index)]] VertexIndex : u32 |
| ) -> [[builtin(position)]] vec4<f32> { |
| return textureLoad(image0, vec2<i32>(i32(VertexIndex), 0)); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = mDefaultFSModule; |
| device.CreateRenderPipeline(&descriptor); |
| } |
| |
| // Read-only storage textures can be declared in a fragment shader. |
| { |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(read)]] texture_storage_2d<rgba8unorm>; |
| [[stage(fragment)]] fn main( |
| [[builtin(position)]] FragCoord : vec4<f32> |
| ) -> [[location(0)]] vec4<f32> { |
| return textureLoad(image0, vec2<i32>(FragCoord.xy)); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = mDefaultVSModule; |
| descriptor.cFragment.module = fsModule; |
| device.CreateRenderPipeline(&descriptor); |
| } |
| |
| // Write-only storage textures cannot be declared in a vertex shader. |
| if ((false) /* TODO(https://crbug.com/tint/449) */) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(write)]] texture_storage_2d<rgba8unorm>; |
| [[stage(vertex)]] fn main([[builtin(vertex_index)]] vertex_index : u32) { |
| textureStore(image0, vec2<i32>(i32(vertex_index), 0), vec4<f32>(1.0, 0.0, 0.0, 1.0)); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = mDefaultFSModule; |
| ASSERT_DEVICE_ERROR(device.CreateRenderPipeline(&descriptor)); |
| } |
| |
| // Write-only storage textures can be declared in a fragment shader. |
| { |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(write)]] texture_storage_2d<rgba8unorm>; |
| [[stage(fragment)]] fn main([[builtin(position)]] position : vec4<f32>) { |
| textureStore(image0, vec2<i32>(position.xy), vec4<f32>(1.0, 0.0, 0.0, 1.0)); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.vertex.module = mDefaultVSModule; |
| descriptor.cFragment.module = fsModule; |
| device.CreateRenderPipeline(&descriptor); |
| } |
| } |
| |
| // Validate both read-only and write-only storage textures can be declared in |
| // compute shaders. |
| TEST_F(StorageTextureValidationTests, ComputePipeline) { |
| // Read-only storage textures can be declared in a compute shader. |
| { |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(read)]] texture_storage_2d<rgba8unorm>; |
| |
| [[block]] struct Buf { |
| data : f32; |
| }; |
| [[group(0), binding(1)]] var<storage> buf : [[access(read_write)]] Buf; |
| |
| [[stage(compute)]] fn main([[builtin(local_invocation_id)]] LocalInvocationID : vec3<u32>) { |
| buf.data = textureLoad(image0, vec2<i32>(LocalInvocationID.xy)).x; |
| })"); |
| |
| wgpu::ComputePipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.computeStage.module = csModule; |
| descriptor.computeStage.entryPoint = "main"; |
| |
| device.CreateComputePipeline(&descriptor); |
| } |
| |
| // Write-only storage textures can be declared in a compute shader. |
| { |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(write)]] texture_storage_2d<rgba8unorm>; |
| |
| [[stage(compute)]] fn main([[builtin(local_invocation_id)]] LocalInvocationID : vec3<u32>) { |
| textureStore(image0, vec2<i32>(LocalInvocationID.xy), vec4<f32>(0.0, 0.0, 0.0, 0.0)); |
| })"); |
| |
| wgpu::ComputePipelineDescriptor descriptor; |
| descriptor.layout = nullptr; |
| descriptor.computeStage.module = csModule; |
| descriptor.computeStage.entryPoint = "main"; |
| |
| device.CreateComputePipeline(&descriptor); |
| } |
| } |
| |
| // Validate read-write storage textures are not currently supported. |
| TEST_F(StorageTextureValidationTests, ReadWriteStorageTexture) { |
| // Read-write storage textures cannot be declared in a vertex shader by default. |
| { |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(read_write)]] texture_storage_2d<rgba8unorm>; |
| [[stage(vertex)]] fn main() { |
| textureDimensions(image0); |
| })")); |
| } |
| |
| // Read-write storage textures cannot be declared in a fragment shader by default. |
| { |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(read_write)]] texture_storage_2d<rgba8unorm>; |
| [[stage(fragment)]] fn main() { |
| textureDimensions(image0); |
| })")); |
| } |
| |
| // Read-write storage textures cannot be declared in a compute shader by default. |
| { |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var image0 : [[access(read_write)]] texture_storage_2d<rgba8unorm>; |
| [[stage(compute)]] fn main() { |
| textureDimensions(image0); |
| })")); |
| } |
| } |
| |
| // Test that using read-only storage texture and write-only storage texture in |
| // BindGroupLayout is valid, while using read-write storage texture is not allowed now. |
| TEST_F(StorageTextureValidationTests, BindGroupLayoutWithStorageTextureBindingType) { |
| struct TestSpec { |
| wgpu::ShaderStage stage; |
| wgpu::StorageTextureAccess type; |
| bool valid; |
| }; |
| constexpr std::array<TestSpec, 6> kTestSpecs = { |
| {{wgpu::ShaderStage::Vertex, wgpu::StorageTextureAccess::ReadOnly, true}, |
| {wgpu::ShaderStage::Vertex, wgpu::StorageTextureAccess::WriteOnly, false}, |
| {wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::ReadOnly, true}, |
| {wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::WriteOnly, true}, |
| {wgpu::ShaderStage::Compute, wgpu::StorageTextureAccess::ReadOnly, true}, |
| {wgpu::ShaderStage::Compute, wgpu::StorageTextureAccess::WriteOnly, true}}}; |
| |
| for (const auto& testSpec : kTestSpecs) { |
| wgpu::BindGroupLayoutEntry entry = utils::BindingLayoutEntryInitializationHelper( |
| 0, testSpec.stage, testSpec.type, wgpu::TextureFormat::R32Uint); |
| |
| wgpu::BindGroupLayoutDescriptor descriptor; |
| descriptor.entryCount = 1; |
| descriptor.entries = &entry; |
| |
| if (testSpec.valid) { |
| device.CreateBindGroupLayout(&descriptor); |
| } else { |
| ASSERT_DEVICE_ERROR(device.CreateBindGroupLayout(&descriptor)); |
| } |
| } |
| } |
| |
| // Validate it is an error to declare a read-only or write-only storage texture in shaders with any |
| // format that doesn't support TextureUsage::Storage texture usages. |
| TEST_F(StorageTextureValidationTests, StorageTextureFormatInShaders) { |
| // Not include RGBA8UnormSrgb, BGRA8Unorm, BGRA8UnormSrgb because they are not related to any |
| // SPIR-V Image Formats. |
| constexpr std::array<wgpu::TextureFormat, 32> kWGPUTextureFormatSupportedAsSPIRVImageFormats = { |
| wgpu::TextureFormat::R32Uint, wgpu::TextureFormat::R32Sint, |
| wgpu::TextureFormat::R32Float, wgpu::TextureFormat::RGBA8Unorm, |
| wgpu::TextureFormat::RGBA8Snorm, wgpu::TextureFormat::RGBA8Uint, |
| wgpu::TextureFormat::RGBA8Sint, wgpu::TextureFormat::RG32Uint, |
| wgpu::TextureFormat::RG32Sint, wgpu::TextureFormat::RG32Float, |
| wgpu::TextureFormat::RGBA16Uint, wgpu::TextureFormat::RGBA16Sint, |
| wgpu::TextureFormat::RGBA16Float, wgpu::TextureFormat::RGBA32Uint, |
| wgpu::TextureFormat::RGBA32Sint, wgpu::TextureFormat::RGBA32Float, |
| wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::R8Snorm, |
| wgpu::TextureFormat::R8Uint, wgpu::TextureFormat::R8Sint, |
| wgpu::TextureFormat::R16Uint, wgpu::TextureFormat::R16Sint, |
| wgpu::TextureFormat::R16Float, wgpu::TextureFormat::RG8Unorm, |
| wgpu::TextureFormat::RG8Snorm, wgpu::TextureFormat::RG8Uint, |
| wgpu::TextureFormat::RG8Sint, wgpu::TextureFormat::RG16Uint, |
| wgpu::TextureFormat::RG16Sint, wgpu::TextureFormat::RG16Float, |
| wgpu::TextureFormat::RGB10A2Unorm, wgpu::TextureFormat::RG11B10Ufloat}; |
| |
| for (wgpu::StorageTextureAccess storageTextureBindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureFormat format : kWGPUTextureFormatSupportedAsSPIRVImageFormats) { |
| std::string computeShader = |
| CreateComputeShaderWithStorageTexture(storageTextureBindingType, format); |
| if (utils::TextureFormatSupportsStorageTexture(format)) { |
| utils::CreateShaderModule(device, computeShader.c_str()); |
| } else { |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, computeShader.c_str())); |
| } |
| } |
| } |
| } |
| |
| // Verify that declaring a storage texture format that is not supported in WebGPU causes validation |
| // error. |
| TEST_F(StorageTextureValidationTests, UnsupportedWGSLStorageTextureFormat) { |
| constexpr std::array<wgpu::TextureFormat, 16> kUnsupportedTextureFormats = { |
| wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::R8Snorm, |
| wgpu::TextureFormat::R8Uint, wgpu::TextureFormat::R8Sint, |
| wgpu::TextureFormat::R16Uint, wgpu::TextureFormat::R16Sint, |
| wgpu::TextureFormat::R16Float, wgpu::TextureFormat::RG8Unorm, |
| wgpu::TextureFormat::RG8Snorm, wgpu::TextureFormat::RG8Uint, |
| wgpu::TextureFormat::RG8Sint, wgpu::TextureFormat::RG16Uint, |
| wgpu::TextureFormat::RG16Sint, wgpu::TextureFormat::RG16Float, |
| wgpu::TextureFormat::RGB10A2Unorm, wgpu::TextureFormat::RG11B10Ufloat, |
| }; |
| |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureFormat format : kUnsupportedTextureFormats) { |
| std::string computeShader = CreateComputeShaderWithStorageTexture(bindingType, format); |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, computeShader.c_str())); |
| } |
| } |
| } |
| |
| // Verify that declaring a storage texture dimension that isn't supported by |
| // WebGPU causes a compile failure. WebGPU doesn't support using cube map |
| // texture views and cube map array texture views as storage textures. |
| TEST_F(StorageTextureValidationTests, UnsupportedTextureViewDimensionInShader) { |
| constexpr std::array<wgpu::TextureViewDimension, 2> kUnsupportedTextureViewDimensions = { |
| wgpu::TextureViewDimension::Cube, wgpu::TextureViewDimension::CubeArray}; |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::R32Float; |
| |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureViewDimension dimension : kUnsupportedTextureViewDimensions) { |
| std::string computeShader = |
| CreateComputeShaderWithStorageTexture(bindingType, kFormat, dimension); |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, computeShader.c_str())); |
| } |
| } |
| } |
| |
| // Verify that declaring a texture view dimension that is not supported to be used as storage |
| // textures in WebGPU in bind group layout causes validation error. WebGPU doesn't support using |
| // cube map texture views and cube map array texture views as storage textures. |
| TEST_F(StorageTextureValidationTests, UnsupportedTextureViewDimensionInBindGroupLayout) { |
| constexpr std::array<wgpu::TextureViewDimension, 2> kUnsupportedTextureViewDimensions = { |
| wgpu::TextureViewDimension::Cube, wgpu::TextureViewDimension::CubeArray}; |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::R32Float; |
| |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureViewDimension dimension : kUnsupportedTextureViewDimensions) { |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Compute, bindingType, kFormat, dimension}})); |
| } |
| } |
| } |
| |
| // Verify when we create and use a bind group layout with storage textures in the creation of |
| // render and compute pipeline, the binding type in the bind group layout must match the |
| // declaration in the shader. |
| TEST_F(StorageTextureValidationTests, BindGroupLayoutEntryTypeMatchesShaderDeclaration) { |
| constexpr wgpu::TextureFormat kStorageTextureFormat = wgpu::TextureFormat::R32Float; |
| |
| std::initializer_list<utils::BindingLayoutEntryInitializationHelper> kSupportedBindingTypes = { |
| {0, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::Uniform}, |
| {0, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::Storage}, |
| {0, wgpu::ShaderStage::Compute, wgpu::BufferBindingType::ReadOnlyStorage}, |
| {0, wgpu::ShaderStage::Compute, wgpu::SamplerBindingType::Filtering}, |
| {0, wgpu::ShaderStage::Compute, wgpu::TextureSampleType::Float}, |
| {0, wgpu::ShaderStage::Compute, wgpu::StorageTextureAccess::ReadOnly, |
| kStorageTextureFormat}, |
| {0, wgpu::ShaderStage::Compute, wgpu::StorageTextureAccess::WriteOnly, |
| kStorageTextureFormat}}; |
| |
| for (wgpu::StorageTextureAccess bindingTypeInShader : kSupportedStorageTextureAccess) { |
| // Create the compute shader with the given binding type. |
| std::string computeShader = |
| CreateComputeShaderWithStorageTexture(bindingTypeInShader, kStorageTextureFormat); |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, computeShader.c_str()); |
| |
| // Set common fields of compute pipeline descriptor. |
| wgpu::ComputePipelineDescriptor defaultComputePipelineDescriptor; |
| defaultComputePipelineDescriptor.computeStage.module = csModule; |
| defaultComputePipelineDescriptor.computeStage.entryPoint = "main"; |
| |
| for (utils::BindingLayoutEntryInitializationHelper bindingLayoutEntry : |
| kSupportedBindingTypes) { |
| wgpu::ComputePipelineDescriptor computePipelineDescriptor = |
| defaultComputePipelineDescriptor; |
| |
| // Create bind group layout with different binding types. |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindingLayoutEntry}); |
| computePipelineDescriptor.layout = |
| utils::MakeBasicPipelineLayout(device, &bindGroupLayout); |
| |
| // The binding type in the bind group layout must the same as the related image object |
| // declared in shader. |
| if (bindingLayoutEntry.storageTexture.access == bindingTypeInShader) { |
| device.CreateComputePipeline(&computePipelineDescriptor); |
| } else { |
| ASSERT_DEVICE_ERROR(device.CreateComputePipeline(&computePipelineDescriptor)); |
| } |
| } |
| } |
| } |
| |
| // Verify it is invalid not to set a valid texture format in a bind group layout when the binding |
| // type is read-only or write-only storage texture. |
| TEST_F(StorageTextureValidationTests, UndefinedStorageTextureFormatInBindGroupLayout) { |
| wgpu::BindGroupLayoutEntry errorBindGroupLayoutEntry; |
| errorBindGroupLayoutEntry.binding = 0; |
| errorBindGroupLayoutEntry.visibility = wgpu::ShaderStage::Compute; |
| errorBindGroupLayoutEntry.storageTexture.format = wgpu::TextureFormat::Undefined; |
| |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| errorBindGroupLayoutEntry.storageTexture.access = bindingType; |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroupLayout(device, {errorBindGroupLayoutEntry})); |
| } |
| } |
| |
| // Verify it is invalid to create a bind group layout with storage textures and an unsupported |
| // storage texture format. |
| TEST_F(StorageTextureValidationTests, StorageTextureFormatInBindGroupLayout) { |
| wgpu::BindGroupLayoutEntry defaultBindGroupLayoutEntry; |
| defaultBindGroupLayoutEntry.binding = 0; |
| defaultBindGroupLayoutEntry.visibility = wgpu::ShaderStage::Compute; |
| |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureFormat textureFormat : utils::kAllTextureFormats) { |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding = defaultBindGroupLayoutEntry; |
| bindGroupLayoutBinding.storageTexture.access = bindingType; |
| bindGroupLayoutBinding.storageTexture.format = textureFormat; |
| if (utils::TextureFormatSupportsStorageTexture(textureFormat)) { |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| } else { |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding})); |
| } |
| } |
| } |
| } |
| |
| // Verify the storage texture format in the bind group layout must match the declaration in shader. |
| TEST_F(StorageTextureValidationTests, BindGroupLayoutStorageTextureFormatMatchesShaderDeclaration) { |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureFormat storageTextureFormatInShader : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(storageTextureFormatInShader)) { |
| continue; |
| } |
| |
| // Create the compute shader module with the given binding type and storage texture |
| // format. |
| std::string computeShader = |
| CreateComputeShaderWithStorageTexture(bindingType, storageTextureFormatInShader); |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, computeShader.c_str()); |
| |
| // Set common fields of compute pipeline descriptor. |
| wgpu::ComputePipelineDescriptor defaultComputePipelineDescriptor; |
| defaultComputePipelineDescriptor.computeStage.module = csModule; |
| defaultComputePipelineDescriptor.computeStage.entryPoint = "main"; |
| |
| // Set common fileds of bind group layout binding. |
| utils::BindingLayoutEntryInitializationHelper defaultBindGroupLayoutEntry = { |
| 0, wgpu::ShaderStage::Compute, bindingType, utils::kAllTextureFormats[0]}; |
| |
| for (wgpu::TextureFormat storageTextureFormatInBindGroupLayout : |
| utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture( |
| storageTextureFormatInBindGroupLayout)) { |
| continue; |
| } |
| |
| // Create the bind group layout with the given storage texture format. |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding = defaultBindGroupLayoutEntry; |
| bindGroupLayoutBinding.storageTexture.format = |
| storageTextureFormatInBindGroupLayout; |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| |
| // Create the compute pipeline with the bind group layout. |
| wgpu::ComputePipelineDescriptor computePipelineDescriptor = |
| defaultComputePipelineDescriptor; |
| computePipelineDescriptor.layout = |
| utils::MakeBasicPipelineLayout(device, &bindGroupLayout); |
| |
| // The storage texture format in the bind group layout must be the same as the one |
| // declared in the shader. |
| if (storageTextureFormatInShader == storageTextureFormatInBindGroupLayout) { |
| device.CreateComputePipeline(&computePipelineDescriptor); |
| } else { |
| ASSERT_DEVICE_ERROR(device.CreateComputePipeline(&computePipelineDescriptor)); |
| } |
| } |
| } |
| } |
| } |
| |
| // Verify the dimension of the bind group layout with storage textures must match the one declared |
| // in shader. |
| TEST_F(StorageTextureValidationTests, BindGroupLayoutViewDimensionMatchesShaderDeclaration) { |
| constexpr std::array<wgpu::TextureViewDimension, 4> kSupportedDimensions = { |
| wgpu::TextureViewDimension::e1D, wgpu::TextureViewDimension::e2D, |
| wgpu::TextureViewDimension::e2DArray, wgpu::TextureViewDimension::e3D}; |
| constexpr wgpu::TextureFormat kStorageTextureFormat = wgpu::TextureFormat::R32Float; |
| |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| for (wgpu::TextureViewDimension dimensionInShader : kSupportedDimensions) { |
| // Create the compute shader with the given texture view dimension. |
| std::string computeShader = CreateComputeShaderWithStorageTexture( |
| bindingType, kStorageTextureFormat, dimensionInShader); |
| wgpu::ShaderModule csModule = utils::CreateShaderModule(device, computeShader.c_str()); |
| |
| // Set common fields of compute pipeline descriptor. |
| wgpu::ComputePipelineDescriptor defaultComputePipelineDescriptor; |
| defaultComputePipelineDescriptor.computeStage.module = csModule; |
| defaultComputePipelineDescriptor.computeStage.entryPoint = "main"; |
| |
| // Set common fields of bind group layout binding. |
| utils::BindingLayoutEntryInitializationHelper defaultBindGroupLayoutEntry = { |
| 0, wgpu::ShaderStage::Compute, bindingType, kStorageTextureFormat}; |
| |
| for (wgpu::TextureViewDimension dimensionInBindGroupLayout : kSupportedDimensions) { |
| // Create the bind group layout with the given texture view dimension. |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding = defaultBindGroupLayoutEntry; |
| bindGroupLayoutBinding.storageTexture.viewDimension = dimensionInBindGroupLayout; |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| |
| // Create the compute pipeline with the bind group layout. |
| wgpu::ComputePipelineDescriptor computePipelineDescriptor = |
| defaultComputePipelineDescriptor; |
| computePipelineDescriptor.layout = |
| utils::MakeBasicPipelineLayout(device, &bindGroupLayout); |
| |
| // The texture dimension in the bind group layout must be the same as the one |
| // declared in the shader. |
| if (dimensionInShader == dimensionInBindGroupLayout) { |
| device.CreateComputePipeline(&computePipelineDescriptor); |
| } else { |
| ASSERT_DEVICE_ERROR(device.CreateComputePipeline(&computePipelineDescriptor)); |
| } |
| } |
| } |
| } |
| } |
| |
| // Verify that only a texture view can be used as a read-only or write-only storage texture in a |
| // bind group. |
| TEST_F(StorageTextureValidationTests, StorageTextureBindingTypeInBindGroup) { |
| constexpr wgpu::TextureFormat kStorageTextureFormat = wgpu::TextureFormat::R32Float; |
| for (wgpu::StorageTextureAccess storageBindingType : kSupportedStorageTextureAccess) { |
| // Create a bind group layout. |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding; |
| bindGroupLayoutBinding.binding = 0; |
| bindGroupLayoutBinding.visibility = wgpu::ShaderStage::Compute; |
| bindGroupLayoutBinding.storageTexture.access = storageBindingType; |
| bindGroupLayoutBinding.storageTexture.format = kStorageTextureFormat; |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| |
| // Buffers are not allowed to be used as storage textures in a bind group. |
| { |
| wgpu::BufferDescriptor descriptor; |
| descriptor.size = 1024; |
| descriptor.usage = wgpu::BufferUsage::Uniform; |
| wgpu::Buffer buffer = device.CreateBuffer(&descriptor); |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroup(device, bindGroupLayout, {{0, buffer}})); |
| } |
| |
| // Samplers are not allowed to be used as storage textures in a bind group. |
| { |
| wgpu::Sampler sampler = device.CreateSampler(); |
| ASSERT_DEVICE_ERROR(utils::MakeBindGroup(device, bindGroupLayout, {{0, sampler}})); |
| } |
| |
| // Texture views are allowed to be used as storage textures in a bind group. |
| { |
| wgpu::TextureView textureView = |
| CreateTexture(wgpu::TextureUsage::Storage, kStorageTextureFormat).CreateView(); |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, textureView}}); |
| } |
| } |
| } |
| |
| // Verify that a texture used as read-only or write-only storage texture in a bind group must be |
| // created with the texture usage wgpu::TextureUsage::STORAGE. |
| TEST_F(StorageTextureValidationTests, StorageTextureUsageInBindGroup) { |
| constexpr wgpu::TextureFormat kStorageTextureFormat = wgpu::TextureFormat::R32Float; |
| constexpr std::array<wgpu::TextureUsage, 6> kTextureUsages = { |
| wgpu::TextureUsage::CopySrc, wgpu::TextureUsage::CopyDst, |
| wgpu::TextureUsage::Sampled, wgpu::TextureUsage::Storage, |
| wgpu::TextureUsage::RenderAttachment, wgpu::TextureUsage::Present}; |
| |
| for (wgpu::StorageTextureAccess storageBindingType : kSupportedStorageTextureAccess) { |
| // Create a bind group layout. |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding; |
| bindGroupLayoutBinding.binding = 0; |
| bindGroupLayoutBinding.visibility = wgpu::ShaderStage::Compute; |
| bindGroupLayoutBinding.storageTexture.access = storageBindingType; |
| bindGroupLayoutBinding.storageTexture.format = wgpu::TextureFormat::R32Float; |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| |
| for (wgpu::TextureUsage usage : kTextureUsages) { |
| // Create texture views with different texture usages |
| wgpu::TextureView textureView = |
| CreateTexture(usage, kStorageTextureFormat).CreateView(); |
| |
| // Verify that the texture used as storage texture must be created with the texture |
| // usage wgpu::TextureUsage::STORAGE. |
| if (usage & wgpu::TextureUsage::Storage) { |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, textureView}}); |
| } else { |
| ASSERT_DEVICE_ERROR( |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, textureView}})); |
| } |
| } |
| } |
| } |
| |
| // Verify that the format of a texture used as read-only or write-only storage texture in a bind |
| // group must match the corresponding bind group binding. |
| TEST_F(StorageTextureValidationTests, StorageTextureFormatInBindGroup) { |
| for (wgpu::StorageTextureAccess storageBindingType : kSupportedStorageTextureAccess) { |
| wgpu::BindGroupLayoutEntry defaultBindGroupLayoutEntry; |
| defaultBindGroupLayoutEntry.binding = 0; |
| defaultBindGroupLayoutEntry.visibility = wgpu::ShaderStage::Compute; |
| defaultBindGroupLayoutEntry.storageTexture.access = storageBindingType; |
| |
| for (wgpu::TextureFormat formatInBindGroupLayout : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(formatInBindGroupLayout)) { |
| continue; |
| } |
| |
| // Create a bind group layout with given storage texture format. |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding = defaultBindGroupLayoutEntry; |
| bindGroupLayoutBinding.storageTexture.format = formatInBindGroupLayout; |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| |
| for (wgpu::TextureFormat textureViewFormat : utils::kAllTextureFormats) { |
| if (!utils::TextureFormatSupportsStorageTexture(textureViewFormat)) { |
| continue; |
| } |
| |
| // Create texture views with different texture formats. |
| wgpu::TextureView storageTextureView = |
| CreateTexture(wgpu::TextureUsage::Storage, textureViewFormat).CreateView(); |
| |
| // Verify that the format of the texture view used as storage texture in a bind |
| // group must match the storage texture format declaration in the bind group layout. |
| if (textureViewFormat == formatInBindGroupLayout) { |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, storageTextureView}}); |
| } else { |
| ASSERT_DEVICE_ERROR( |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, storageTextureView}})); |
| } |
| } |
| } |
| } |
| } |
| |
| // Verify that the dimension of a texture view used as read-only or write-only storage texture in a |
| // bind group must match the corresponding bind group binding. |
| TEST_F(StorageTextureValidationTests, StorageTextureViewDimensionInBindGroup) { |
| constexpr wgpu::TextureFormat kStorageTextureFormat = wgpu::TextureFormat::R32Float; |
| constexpr uint32_t kArrayLayerCount = 6u; |
| |
| // Currently we only support creating 2D-compatible texture view dimensions. |
| // TODO(jiawei.shao@intel.com): test the use of 1D and 3D texture view dimensions when they are |
| // supported in Dawn. |
| constexpr std::array<wgpu::TextureViewDimension, 2> kSupportedDimensions = { |
| wgpu::TextureViewDimension::e2D, wgpu::TextureViewDimension::e2DArray}; |
| |
| wgpu::Texture texture = |
| CreateTexture(wgpu::TextureUsage::Storage, kStorageTextureFormat, 1, kArrayLayerCount); |
| |
| wgpu::TextureViewDescriptor kDefaultTextureViewDescriptor; |
| kDefaultTextureViewDescriptor.format = kStorageTextureFormat; |
| kDefaultTextureViewDescriptor.baseMipLevel = 0; |
| kDefaultTextureViewDescriptor.mipLevelCount = 1; |
| kDefaultTextureViewDescriptor.baseArrayLayer = 0; |
| kDefaultTextureViewDescriptor.arrayLayerCount = 1u; |
| |
| for (wgpu::StorageTextureAccess storageBindingType : kSupportedStorageTextureAccess) { |
| wgpu::BindGroupLayoutEntry defaultBindGroupLayoutEntry; |
| defaultBindGroupLayoutEntry.binding = 0; |
| defaultBindGroupLayoutEntry.visibility = wgpu::ShaderStage::Compute; |
| defaultBindGroupLayoutEntry.storageTexture.access = storageBindingType; |
| defaultBindGroupLayoutEntry.storageTexture.format = kStorageTextureFormat; |
| |
| for (wgpu::TextureViewDimension dimensionInBindGroupLayout : kSupportedDimensions) { |
| // Create a bind group layout with given texture view dimension. |
| wgpu::BindGroupLayoutEntry bindGroupLayoutBinding = defaultBindGroupLayoutEntry; |
| bindGroupLayoutBinding.storageTexture.viewDimension = dimensionInBindGroupLayout; |
| wgpu::BindGroupLayout bindGroupLayout = |
| utils::MakeBindGroupLayout(device, {bindGroupLayoutBinding}); |
| |
| for (wgpu::TextureViewDimension dimensionOfTextureView : kSupportedDimensions) { |
| // Create a texture view with given texture view dimension. |
| wgpu::TextureViewDescriptor textureViewDescriptor = kDefaultTextureViewDescriptor; |
| textureViewDescriptor.dimension = dimensionOfTextureView; |
| wgpu::TextureView storageTextureView = texture.CreateView(&textureViewDescriptor); |
| |
| // Verify that the dimension of the texture view used as storage texture in a bind |
| // group must match the texture view dimension declaration in the bind group layout. |
| if (dimensionInBindGroupLayout == dimensionOfTextureView) { |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, storageTextureView}}); |
| } else { |
| ASSERT_DEVICE_ERROR( |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, storageTextureView}})); |
| } |
| } |
| } |
| } |
| } |
| |
| // Verify multisampled storage textures cannot be supported now. |
| TEST_F(StorageTextureValidationTests, MultisampledStorageTexture) { |
| for (wgpu::StorageTextureAccess bindingType : kSupportedStorageTextureAccess) { |
| std::string computeShader = |
| CreateComputeShaderWithStorageTexture(bindingType, "", "image2DMS"); |
| ASSERT_DEVICE_ERROR(utils::CreateShaderModule(device, computeShader.c_str())); |
| } |
| } |
| |
| // Verify it is valid to use a texture as either read-only storage texture or write-only storage |
| // texture in a render pass. |
| TEST_F(StorageTextureValidationTests, StorageTextureInRenderPass) { |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture storageTexture = CreateTexture(wgpu::TextureUsage::Storage, kFormat); |
| |
| wgpu::Texture outputAttachment = CreateTexture(wgpu::TextureUsage::RenderAttachment, kFormat); |
| utils::ComboRenderPassDescriptor renderPassDescriptor({outputAttachment.CreateView()}); |
| |
| for (wgpu::StorageTextureAccess storageTextureType : kSupportedStorageTextureAccess) { |
| // Create a bind group that contains a storage texture. |
| wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, storageTextureType, kFormat}}); |
| |
| wgpu::BindGroup bindGroupWithStorageTexture = |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, storageTexture.CreateView()}}); |
| |
| // It is valid to use a texture as read-only or write-only storage texture in the render |
| // pass. |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPassDescriptor); |
| renderPassEncoder.SetBindGroup(0, bindGroupWithStorageTexture); |
| renderPassEncoder.EndPass(); |
| encoder.Finish(); |
| } |
| } |
| |
| // Verify it is valid to use a a texture as both read-only storage texture and sampled texture in |
| // one render pass, while it is invalid to use a texture as both write-only storage texture and |
| // sampled texture in one render pass. |
| TEST_F(StorageTextureValidationTests, StorageTextureAndSampledTextureInOneRenderPass) { |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture storageTexture = |
| CreateTexture(wgpu::TextureUsage::Storage | wgpu::TextureUsage::Sampled, kFormat); |
| |
| wgpu::Texture outputAttachment = CreateTexture(wgpu::TextureUsage::RenderAttachment, kFormat); |
| utils::ComboRenderPassDescriptor renderPassDescriptor({outputAttachment.CreateView()}); |
| |
| // Create a bind group that contains a storage texture and a sampled texture. |
| for (wgpu::StorageTextureAccess storageTextureType : kSupportedStorageTextureAccess) { |
| // Create a bind group that binds the same texture as both storage texture and sampled |
| // texture. |
| wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, storageTextureType, kFormat}, |
| {1, wgpu::ShaderStage::Fragment, wgpu::TextureSampleType::Float}}); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, bindGroupLayout, |
| {{0, storageTexture.CreateView()}, {1, storageTexture.CreateView()}}); |
| |
| // It is valid to use a a texture as both read-only storage texture and sampled texture in |
| // one render pass, while it is invalid to use a texture as both write-only storage |
| // texture an sampled texture in one render pass. |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPassDescriptor); |
| renderPassEncoder.SetBindGroup(0, bindGroup); |
| renderPassEncoder.EndPass(); |
| switch (storageTextureType) { |
| case wgpu::StorageTextureAccess::ReadOnly: |
| encoder.Finish(); |
| break; |
| case wgpu::StorageTextureAccess::WriteOnly: |
| ASSERT_DEVICE_ERROR(encoder.Finish()); |
| break; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| } |
| } |
| |
| // Verify it is invalid to use a a texture as both storage texture (either read-only or write-only) |
| // and render attachment in one render pass. |
| TEST_F(StorageTextureValidationTests, StorageTextureAndRenderAttachmentInOneRenderPass) { |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture storageTexture = |
| CreateTexture(wgpu::TextureUsage::Storage | wgpu::TextureUsage::RenderAttachment, kFormat); |
| utils::ComboRenderPassDescriptor renderPassDescriptor({storageTexture.CreateView()}); |
| |
| for (wgpu::StorageTextureAccess storageTextureType : kSupportedStorageTextureAccess) { |
| // Create a bind group that contains a storage texture. |
| wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, storageTextureType, kFormat}}); |
| wgpu::BindGroup bindGroupWithStorageTexture = |
| utils::MakeBindGroup(device, bindGroupLayout, {{0, storageTexture.CreateView()}}); |
| |
| // It is invalid to use a texture as both storage texture and render attachment in one |
| // render pass. |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPassDescriptor); |
| renderPassEncoder.SetBindGroup(0, bindGroupWithStorageTexture); |
| renderPassEncoder.EndPass(); |
| ASSERT_DEVICE_ERROR(encoder.Finish()); |
| } |
| } |
| |
| // Verify it is invalid to use a a texture as both read-only storage texture and write-only storage |
| // texture in one render pass. |
| TEST_F(StorageTextureValidationTests, ReadOnlyAndWriteOnlyStorageTextureInOneRenderPass) { |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture storageTexture = CreateTexture(wgpu::TextureUsage::Storage, kFormat); |
| |
| // Create a bind group that uses the same texture as both read-only and write-only storage |
| // texture. |
| wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::ReadOnly, kFormat}, |
| {1, wgpu::ShaderStage::Fragment, wgpu::StorageTextureAccess::WriteOnly, kFormat}}); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, bindGroupLayout, |
| {{0, storageTexture.CreateView()}, {1, storageTexture.CreateView()}}); |
| |
| // It is invalid to use a texture as both read-only storage texture and write-only storage |
| // texture in one render pass. |
| wgpu::Texture outputAttachment = CreateTexture(wgpu::TextureUsage::RenderAttachment, kFormat); |
| utils::ComboRenderPassDescriptor renderPassDescriptor({outputAttachment.CreateView()}); |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPassDescriptor); |
| renderPassEncoder.SetBindGroup(0, bindGroup); |
| renderPassEncoder.EndPass(); |
| ASSERT_DEVICE_ERROR(encoder.Finish()); |
| } |
| |
| // Verify it is valid to use a texture as both storage texture (read-only or write-only) and |
| // sampled texture in one compute pass. |
| TEST_F(StorageTextureValidationTests, StorageTextureAndSampledTextureInOneComputePass) { |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture storageTexture = |
| CreateTexture(wgpu::TextureUsage::Storage | wgpu::TextureUsage::Sampled, kFormat); |
| |
| for (wgpu::StorageTextureAccess storageTextureType : kSupportedStorageTextureAccess) { |
| // Create a bind group that binds the same texture as both storage texture and sampled |
| // texture. |
| wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Compute, storageTextureType, kFormat}, |
| {1, wgpu::ShaderStage::Compute, wgpu::TextureSampleType::Float}}); |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, bindGroupLayout, |
| {{0, storageTexture.CreateView()}, {1, storageTexture.CreateView()}}); |
| |
| // It is valid to use a a texture as both storage texture (read-only or write-only) and |
| // sampled texture in one compute pass. |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder computePassEncoder = encoder.BeginComputePass(); |
| computePassEncoder.SetBindGroup(0, bindGroup); |
| computePassEncoder.EndPass(); |
| encoder.Finish(); |
| } |
| } |
| |
| // Verify it is valid to use a texture as both read-only storage texture and write-only storage |
| // texture in one compute pass. |
| TEST_F(StorageTextureValidationTests, ReadOnlyAndWriteOnlyStorageTextureInOneComputePass) { |
| constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture storageTexture = CreateTexture(wgpu::TextureUsage::Storage, kFormat); |
| |
| // Create a bind group that uses the same texture as both read-only and write-only storage |
| // texture. |
| wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout( |
| device, {{0, wgpu::ShaderStage::Compute, wgpu::StorageTextureAccess::ReadOnly, kFormat}, |
| {1, wgpu::ShaderStage::Compute, wgpu::StorageTextureAccess::WriteOnly, kFormat}}); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, bindGroupLayout, |
| {{0, storageTexture.CreateView()}, {1, storageTexture.CreateView()}}); |
| |
| // It is valid to use a texture as both read-only storage texture and write-only storage |
| // texture in one compute pass. |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder computePassEncoder = encoder.BeginComputePass(); |
| computePassEncoder.SetBindGroup(0, bindGroup); |
| computePassEncoder.EndPass(); |
| encoder.Finish(); |
| } |
