69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/// @brief Include to use cube map textures.
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/// @file gli/texture_cube.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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/// Cube map texture
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class texture_cube : 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 cube
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texture_cube();
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/// Create a texture_cube and allocate a new storage_linear
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texture_cube(
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format_type Format,
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extent_type const & Extent,
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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 texture_cube and allocate a new storage_linear with a complete mipmap chain
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texture_cube(
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format_type Format,
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extent_type const & Extent,
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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_cube view with an existing storage_linear
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explicit texture_cube(
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texture const& Texture);
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/// Create a texture_cube view with an existing storage_linear
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texture_cube(
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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_cube view, reference a subset of an existing texture_cube instance
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texture_cube(
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texture_cube const& Texture,
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size_type BaseFace, size_type MaxFace,
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size_type BaseLevel, size_type MaxLevel);
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/// Create a view of the texture identified by Face in the texture cube
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texture2d operator[](size_type Face) const;
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/// Return the dimensions of a texture instance: width and height where both should be equal.
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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 Face, 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 Face, size_type Level, gen_type const& Texel);
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};
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}//namespace gli
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#include "./core/texture_cube.inl"
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