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506a487d24
- specializes for 1, 2, 3 and 4-dimensional vector types which are then aliased as tvec1, tvec2, tvec3 and tvec4 - requires C++11 aliases; breaks compatability with C++03 - tested on: - clang-3.5.2, clang-3.8.0 - gcc 4.8.5, gcc 5.4.1, gcc 6.2.0 TODO: - still uses template template parameters - most can probably be removed - some definitions might now be de-duplicated
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/// @brief Include to compute the number of mipmaps levels necessary to create a mipmap complete texture.
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/// @file gli/levels.hpp
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#pragma once
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#include "type.hpp"
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namespace gli
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{
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/// Compute the number of mipmaps levels necessary to create a mipmap complete texture
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///
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/// @param Extent Extent of the texture base level mipmap
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/// @tparam vecType Vector type used to express the dimensions of a texture of any kind.
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/// @code
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/// #include <gli/texture2d.hpp>
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/// #include <gli/levels.hpp>
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/// ...
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/// gli::texture2d::extent_type Extent(32, 10);
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/// gli::texture2d Texture(gli::levels(Extent));
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/// @endcode
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template <int D, typename T, precision P, template <int, typename, precision> class vecType>
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T levels(vecType<D, T, P> const& Extent);
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/*
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/// Compute the number of mipmaps levels necessary to create a mipmap complete texture
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///
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/// @param Extent Extent of the texture base level mipmap
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/// @code
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/// #include <gli/texture2d.hpp>
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/// #include <gli/levels.hpp>
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/// ...
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/// gli::texture2d Texture(32);
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/// @endcode
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size_t levels(size_t Extent);
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/// Compute the number of mipmaps levels necessary to create a mipmap complete texture
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///
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/// @param Extent Extent of the texture base level mipmap
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/// @code
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/// #include <gli/texture2d.hpp>
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/// #include <gli/levels.hpp>
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/// ...
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/// gli::texture2d Texture(32);
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/// @endcode
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int levels(int Extent);
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*/
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}//namespace gli
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#include "./core/levels.inl"
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