texture2d.hpp

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#pragma once

#include "image.hpp"

namespace gli
{
        class texture2DArray;
        class textureCube;
        class textureCubeArray;

        class texture2D
        {
        public:
                typedef storage::dim2_type dim_type;
                typedef storage::texcoord2_type texcoord_type;
                typedef storage::size_type size_type;
                typedef storage::format_type format_type;
                typedef storage::size_type layer_type;
                typedef storage::size_type level_type;
                typedef storage::size_type face_type;

        public:
                texture2D();

                explicit texture2D(
                        size_type const & Levels,
                        format_type const & Format,
                        dim_type const & Dimensions);

                explicit texture2D(
                        format_type const & Format,
                        dim_type const & Dimensions);

                explicit texture2D(
                        storage const & Storage);

                explicit texture2D(
                        storage const & Storage,
                        format_type const & Format,
                        size_type BaseLayer,
                        size_type MaxLayer,
                        size_type BaseFace,
                        size_type MaxFace,
                        size_type BaseLevel,
                        size_type MaxLevel);

                explicit texture2D(
                        texture2D const & Texture,
                        size_type const & BaseLevel,
                        size_type const & MaxLevel);

                explicit texture2D(
                        texture2DArray const & Texture,
                        size_type const & BaseLayer,
                        size_type const & BaseLevel,
                        size_type const & MaxLevel);

                explicit texture2D(
                        textureCube const & Texture,
                        size_type const & BaseFace,
                        size_type const & BaseLevel,
                        size_type const & MaxLevel);

                explicit texture2D(
                        textureCubeArray const & Texture,
                        size_type const & BaseLayer, size_type const & BaseFace,
                        size_type const & BaseLevel, size_type const & MaxLevel);

                operator storage() const;
                image operator[] (size_type const & Level) const;

                bool empty() const;
                format_type format() const;
                dim_type dimensions() const;
                size_type layers() const;
                size_type faces() const;
                size_type levels() const;
                glm::ivec4 swizzle() const;

                size_type size() const;
                void * data();
                void const * data() const;

                template <typename genType>
                size_type size() const;
                template <typename genType>
                genType * data();
                template <typename genType>
                genType const * data() const;

                void clear();
                template <typename genType>
                void clear(genType const & Texel);
                template <typename genType>
                genType fetch(dim_type const & TexelCoord, size_type const & Level);

                size_type baseLayer() const;
                size_type maxLayer() const;
                size_type baseFace() const;
                size_type maxFace() const;
                size_type baseLevel() const;
                size_type maxLevel() const;

        private: 
                storage Storage;
                size_type BaseLayer; 
                size_type MaxLayer; 
                size_type BaseFace;
                size_type MaxFace;
                size_type BaseLevel;
                size_type MaxLevel;
                format_type Format;
        };
}//namespace gli