| // Copyright 2021 The Tint 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. |
| |
| #ifndef SRC_TINT_INSPECTOR_RESOURCE_BINDING_H_ |
| #define SRC_TINT_INSPECTOR_RESOURCE_BINDING_H_ |
| |
| #include <cstdint> |
| |
| #include "src/tint/ast/storage_texture.h" |
| #include "src/tint/ast/texture.h" |
| #include "src/tint/type/type.h" |
| |
| namespace tint::inspector { |
| |
| /// Container for information about how a resource is bound |
| struct ResourceBinding { |
| /// The dimensionality of a texture |
| enum class TextureDimension { |
| /// Invalid texture |
| kNone = -1, |
| /// 1 dimensional texture |
| k1d, |
| /// 2 dimensional texture |
| k2d, |
| /// 2 dimensional array texture |
| k2dArray, |
| /// 3 dimensional texture |
| k3d, |
| /// cube texture |
| kCube, |
| /// cube array texture |
| kCubeArray, |
| }; |
| |
| /// Component type of the texture's data. Same as the Sampled Type parameter |
| /// in SPIR-V OpTypeImage. |
| enum class SampledKind { kUnknown = -1, kFloat, kUInt, kSInt }; |
| |
| /// Enumerator of texel image formats |
| enum class TexelFormat { |
| kNone = -1, |
| |
| kBgra8Unorm, |
| kRgba8Unorm, |
| kRgba8Snorm, |
| kRgba8Uint, |
| kRgba8Sint, |
| kRgba16Uint, |
| kRgba16Sint, |
| kRgba16Float, |
| kR32Uint, |
| kR32Sint, |
| kR32Float, |
| kRg32Uint, |
| kRg32Sint, |
| kRg32Float, |
| kRgba32Uint, |
| kRgba32Sint, |
| kRgba32Float, |
| }; |
| |
| /// kXXX maps to entries returned by GetXXXResourceBindings call. |
| enum class ResourceType { |
| kUniformBuffer, |
| kStorageBuffer, |
| kReadOnlyStorageBuffer, |
| kSampler, |
| kComparisonSampler, |
| kSampledTexture, |
| kMultisampledTexture, |
| kWriteOnlyStorageTexture, |
| kDepthTexture, |
| kDepthMultisampledTexture, |
| kExternalTexture |
| }; |
| |
| /// Type of resource that is bound. |
| ResourceType resource_type; |
| /// Bind group the binding belongs |
| uint32_t bind_group; |
| /// Identifier to identify this binding within the bind group |
| uint32_t binding; |
| /// Size for this binding, in bytes, if defined. |
| uint64_t size; |
| /// Size for this binding without trailing structure padding, in bytes, if |
| /// defined. |
| uint64_t size_no_padding; |
| /// Dimensionality of this binding, if defined. |
| TextureDimension dim; |
| /// Kind of data being sampled, if defined. |
| SampledKind sampled_kind; |
| /// Format of data, if defined. |
| TexelFormat image_format; |
| }; |
| |
| /// Convert from internal ast::TextureDimension to public |
| /// ResourceBinding::TextureDimension |
| /// @param type_dim internal value to convert from |
| /// @returns the publicly visible equivalent |
| ResourceBinding::TextureDimension TypeTextureDimensionToResourceBindingTextureDimension( |
| const ast::TextureDimension& type_dim); |
| |
| /// Infer ResourceBinding::SampledKind for a given type::Type |
| /// @param base_type internal type to infer from |
| /// @returns the publicly visible equivalent |
| ResourceBinding::SampledKind BaseTypeToSampledKind(const type::Type* base_type); |
| |
| /// Convert from internal ast::TexelFormat to public |
| /// ResourceBinding::TexelFormat |
| /// @param image_format internal value to convert from |
| /// @returns the publicly visible equivalent |
| ResourceBinding::TexelFormat TypeTexelFormatToResourceBindingTexelFormat( |
| const ast::TexelFormat& image_format); |
| |
| } // namespace tint::inspector |
| |
| #endif // SRC_TINT_INSPECTOR_RESOURCE_BINDING_H_ |