src/tint/lang/glsl/writer/ast_raise/texture_1d_to_2d.h

// Copyright 2022 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_LANG_GLSL_WRITER_AST_RAISE_TEXTURE_1D_TO_2D_H_
#define SRC_TINT_LANG_GLSL_WRITER_AST_RAISE_TEXTURE_1D_TO_2D_H_

#include "src/tint/lang/wgsl/ast/transform/transform.h"

namespace tint::glsl::writer {

/// This transform converts all 1D texture types and accesses to 2D.
/// This is required for GLSL ES, which does not support 1D textures.
class Texture1DTo2D final : public Castable<Texture1DTo2D, ast::transform::Transform> {
  public:
    /// Constructor
    Texture1DTo2D();

    /// Destructor
    ~Texture1DTo2D() override;

    /// @copydoc ast::transform::Transform::Apply
    ApplyResult Apply(const Program* program,
                      const ast::transform::DataMap& inputs,
                      ast::transform::DataMap& outputs) const override;

  private:
    struct State;
};

}  // namespace tint::glsl::writer

#endif  // SRC_TINT_LANG_GLSL_WRITER_AST_RAISE_TEXTURE_1D_TO_2D_H_