// Copyright 2023 The Dawn & Tint Authors // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this // list of conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef SRC_TINT_LANG_GLSL_WRITER_COMMON_OPTIONS_H_ #define SRC_TINT_LANG_GLSL_WRITER_COMMON_OPTIONS_H_ #include <optional> #include <string> #include <unordered_map> #include <vector> #include "src/tint/api/common/binding_point.h" #include "src/tint/lang/glsl/writer/common/version.h" #include "src/tint/lang/wgsl/ast/transform/transform.h" namespace tint::glsl::writer::binding { /// Generic binding point struct BindingInfo { … }; Uniform; Storage; Texture; StorageTexture; Sampler; /// An external texture struct ExternalTexture { … }; /// A combined texture/sampler pair // Note, these are the WGSL binding points that are used to create the combined samplers struct CombinedTextureSamplerPair { … }; } // namespace tint::glsl::writer::binding namespace std { /// Custom std::hash specialization for tint::glsl::writer::binding::BindingInfo template <> class hash<tint::glsl::writer::binding::BindingInfo> { … }; /// Custom std::hash specialization for tint::glsl::writer::binding::CombinedTextureSamplerPair template <> class hash<tint::glsl::writer::binding::CombinedTextureSamplerPair> { … }; } // namespace std namespace tint::glsl::writer { /// Maps the WGSL binding point to the SPIR-V group,binding for uniforms UniformBindings; /// Maps the WGSL binding point to the SPIR-V group,binding for storage StorageBindings; /// Maps the WGSL binding point to the SPIR-V group,binding for textures TextureBindings; /// Maps the WGSL binding point to the SPIR-V group,binding for storage textures StorageTextureBindings; /// Maps the WGSL binding point to the SPIR-V group,binding for samplers SamplerBindings; /// Maps the WGSL binding point to the plane0, plane1, and metadata information for external /// textures ExternalTextureBindings; /// Maps texture/sampler info to a combined sampler name CombinedTextureSamplerInfo; /// Options used to specify a mapping of binding points to indices into a UBO /// from which to load buffer sizes. struct TextureBuiltinsFromUniformOptions { … }; /// Binding information struct Bindings : public Castable<Bindings, tint::ast::transform::Data> { … }; /// Configuration options used for generating GLSL. struct Options { … }; } // namespace tint::glsl::writer #endif // SRC_TINT_LANG_GLSL_WRITER_COMMON_OPTIONS_H_