| // 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_TRANSFORM_DECOMPOSE_STRIDED_MATRIX_H_ |
| #define SRC_TINT_TRANSFORM_DECOMPOSE_STRIDED_MATRIX_H_ |
| |
| #include "src/tint/transform/transform.h" |
| |
| namespace tint::transform { |
| |
| /// DecomposeStridedMatrix transforms replaces matrix members of storage or |
| /// uniform buffer structures, that have a stride attribute, into an array |
| /// of N column vectors. |
| /// This transform is used by the SPIR-V reader to handle the SPIR-V |
| /// MatrixStride attribute. |
| /// |
| /// @note Depends on the following transforms to have been run first: |
| /// * SimplifyPointers |
| class DecomposeStridedMatrix final |
| : public Castable<DecomposeStridedMatrix, Transform> { |
| public: |
| /// Constructor |
| DecomposeStridedMatrix(); |
| |
| /// Destructor |
| ~DecomposeStridedMatrix() override; |
| |
| /// @param program the program to inspect |
| /// @param data optional extra transform-specific input data |
| /// @returns true if this transform should be run for the given program |
| bool ShouldRun(const Program* program, |
| const DataMap& data = {}) const override; |
| |
| protected: |
| /// Runs the transform using the CloneContext built for transforming a |
| /// program. Run() is responsible for calling Clone() on the CloneContext. |
| /// @param ctx the CloneContext primed with the input program and |
| /// ProgramBuilder |
| /// @param inputs optional extra transform-specific input data |
| /// @param outputs optional extra transform-specific output data |
| void Run(CloneContext& ctx, |
| const DataMap& inputs, |
| DataMap& outputs) const override; |
| }; |
| |
| } // namespace tint::transform |
| |
| #endif // SRC_TINT_TRANSFORM_DECOMPOSE_STRIDED_MATRIX_H_ |