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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
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/// @brief Include to use 2d array textures.
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/// @file gli/texture2d_array.hpp
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#pragma once
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#include "texture2d.hpp"
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namespace gli
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{
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/// 2d array texture
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class texture2d_array : public texture
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{
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public:
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typedef extent2d extent_type;
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public:
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/// Create an empty texture 2D array
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texture2d_array();
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/// Create a texture2d_array and allocate a new storage_linear
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texture2d_array(
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format_type Format,
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extent_type const& Extent,
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size_type Layers,
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size_type Levels,
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swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
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/// Create a texture2d_array and allocate a new storage_linear with a complete mipmap chain
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texture2d_array(
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format_type Format,
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extent_type const& Extent,
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size_type Layers,
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swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
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/// Create a texture2d_array view with an existing storage_linear
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explicit texture2d_array(
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texture const& Texture);
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/// Create a texture2d_array view with an existing storage_linear
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texture2d_array(
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texture const& Texture,
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format_type Format,
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size_type BaseLayer, size_type MaxLayer,
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size_type BaseFace, size_type MaxFace,
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size_type BaseLevel, size_type MaxLevel,
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swizzles_type const& Swizzles = swizzles_type(SWIZZLE_RED, SWIZZLE_GREEN, SWIZZLE_BLUE, SWIZZLE_ALPHA));
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/// Create a texture view, reference a subset of an exiting texture2d_array instance
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texture2d_array(
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texture2d_array const& Texture,
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size_type BaseLayer, size_type MaxLayer,
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size_type BaseLevel, size_type MaxLevel);
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/// Create a view of the texture identified by Layer in the texture array
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texture2d operator[](size_type Layer) const;
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/// Return the dimensions of a texture instance: width and height
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extent_type extent(size_type Level = 0) const;
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/// Fetch a texel from a texture. The texture format must be uncompressed.
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template <typename gen_type>
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gen_type load(extent_type const& TexelCoord, size_type Layer, size_type Level) const;
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/// Write a texel to a texture. The texture format must be uncompressed.
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template <typename gen_type>
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void store(extent_type const& TexelCoord, size_type Layer, size_type Level, gen_type const& Texel);
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};
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}//namespace gli
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#include "./core/texture2d_array.inl"
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