// Copyright 2020 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.

#include "src/tint/ast/texture.h"

TINT_INSTANTIATE_TYPEINFO(tint::ast::Texture);

namespace tint::ast {

std::ostream& operator<<(std::ostream& out, TextureDimension dim) {
    switch (dim) {
        case TextureDimension::kNone:
            out << "None";
            break;
        case TextureDimension::k1d:
            out << "1d";
            break;
        case TextureDimension::k2d:
            out << "2d";
            break;
        case TextureDimension::k2dArray:
            out << "2d_array";
            break;
        case TextureDimension::k3d:
            out << "3d";
            break;
        case TextureDimension::kCube:
            out << "cube";
            break;
        case TextureDimension::kCubeArray:
            out << "cube_array";
            break;
    }
    return out;
}

bool IsTextureArray(TextureDimension dim) {
    switch (dim) {
        case TextureDimension::k2dArray:
        case TextureDimension::kCubeArray:
            return true;
        case TextureDimension::k2d:
        case TextureDimension::kNone:
        case TextureDimension::k1d:
        case TextureDimension::k3d:
        case TextureDimension::kCube:
            return false;
    }
    return false;
}

int NumCoordinateAxes(TextureDimension dim) {
    switch (dim) {
        case TextureDimension::kNone:
            return 0;
        case TextureDimension::k1d:
            return 1;
        case TextureDimension::k2d:
        case TextureDimension::k2dArray:
            return 2;
        case TextureDimension::k3d:
        case TextureDimension::kCube:
        case TextureDimension::kCubeArray:
            return 3;
    }
    return 0;
}

Texture::Texture(ProgramID pid, const Source& src, TextureDimension d) : Base(pid, src), dim(d) {}

Texture::Texture(Texture&&) = default;

Texture::~Texture() = default;

}  // namespace tint::ast