| // Copyright 2024 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_HLSL_WRITER_RAISE_SHADER_IO_H_ |
| #define SRC_TINT_LANG_HLSL_WRITER_RAISE_SHADER_IO_H_ |
| |
| #include <optional> |
| |
| #include "src/tint/api/common/binding_point.h" |
| #include "src/tint/utils/result/result.h" |
| |
| // Forward declarations. |
| namespace tint::core::ir { |
| class Module; |
| } |
| |
| namespace tint::hlsl::writer::raise { |
| |
| struct ShaderIOConfig { |
| /// The binding point to use for the num_workgroups generated uniform buffer. If it contains |
| /// no value, a free binding point will be used. Specifically, binding 0 of the largest used |
| /// group plus 1 is used if at least one resource is bound, otherwise group 0 binding 0 is used. |
| std::optional<BindingPoint> num_workgroups_binding; |
| }; |
| |
| /// ShaderIO is a transform that prepares entry point inputs and outputs for HLSL codegen. |
| /// @param module the module to transform |
| /// @returns success or failure |
| Result<SuccessType> ShaderIO(core::ir::Module& module, const ShaderIOConfig& config); |
| |
| } // namespace tint::hlsl::writer::raise |
| |
| #endif // SRC_TINT_LANG_HLSL_WRITER_RAISE_SHADER_IO_H_ |