// Copyright 2017 The NXT 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 BACKEND_OPENGL_TEXTUREGL_H_
#define BACKEND_OPENGL_TEXTUREGL_H_

#include "backend/Texture.h"

#include "glad/glad.h"

namespace backend {
namespace opengl {

    class Device;

    struct TextureFormatInfo {
        GLenum internalFormat;
        GLenum format;
        GLenum type;
    };

    class Texture : public TextureBase {
        public:
            Texture(TextureBuilder* builder);
            Texture(TextureBuilder* builder, GLuint handle);
            ~Texture();

            GLuint GetHandle() const;
            GLenum GetGLTarget() const;
            TextureFormatInfo GetGLFormat() const;

            void TransitionUsageImpl(nxt::TextureUsageBit currentUsage, nxt::TextureUsageBit targetUsage) override;

        private:
            GLuint handle;
            GLenum target;
    };

    class TextureView : public TextureViewBase {
        public:
            TextureView(TextureViewBuilder* builder);
    };


}
}

#endif // BACKEND_OPENGL_TEXTUREGL_H_