/usr/include/gli/sampler_cube.hpp is in libgli-dev 0.8.2.0+ds1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | /// @brief Include to sample cube map textures.
/// @file gli/sampler_cube.hpp
#pragma once
#include "sampler.hpp"
#include "texture_cube.hpp"
#include "core/mipmaps_compute.hpp"
#include "core/convert_func.hpp"
namespace gli
{
/// Cube map texture sampler
/// @tparam T Sampler can fetch, write and interpret any texture format but will expose and process the data through type T conversions.
/// @tparam P Precision in term of ULPs
template <typename T, precision P = defaultp>
class sampler_cube : public sampler
{
private:
typedef typename detail::interpolate<T>::type interpolate_type;
public:
typedef texture_cube texture_type;
typedef typename texture_type::size_type size_type;
typedef typename texture_type::extent_type extent_type;
typedef interpolate_type level_type;
typedef tvec2<interpolate_type, P> normalized_type;
typedef tvec4<T, P> texel_type;
sampler_cube(texture_type const& Texture, wrap Wrap, filter Mip = FILTER_NEAREST, filter Min = FILTER_NEAREST, texel_type const& BorderColor = texel_type(0, 0, 0, 1));
/// Access the sampler texture object
texture_type const& operator()() const;
/// Fetch a texel from the sampler texture
texel_type texel_fetch(extent_type const& TexelCoord, size_type Face, size_type Level) const;
/// Write a texel in the sampler texture
void texel_write(extent_type const& TexelCoord, size_type Face, size_type Level, texel_type const& Texel);
/// Clear the sampler texture with a uniform texel
void clear(texel_type const& Texel);
/// Sample the sampler texture at a specific level
texel_type texture_lod(normalized_type const& SampleCoord, size_type Face, level_type Level) const;
/// Generate all the mipmaps of the sampler texture from the texture base level
void generate_mipmaps(filter Minification);
/// Generate the mipmaps of the sampler texture from the texture base level to the texture max level included
void generate_mipmaps(size_type BaseFace, size_type MaxFace, size_type BaseLevel, size_type MaxLevel, filter Minification);
private:
typedef typename detail::convert<texture_type, T, P>::func convert_type;
typedef typename detail::convert<texture_type, T, P>::fetchFunc fetch_type;
typedef typename detail::convert<texture_type, T, P>::writeFunc write_type;
typedef typename detail::filterBase<detail::DIMENSION_2D, texture_type, interpolate_type, normalized_type, fetch_type, texel_type>::filterFunc filter_type;
texture_type Texture;
convert_type Convert;
texel_type BorderColor;
filter_type Filter;
};
typedef sampler_cube<float> fsamplerCube;
typedef sampler_cube<double> dsamplerCube;
typedef sampler_cube<unsigned int> usamplerCube;
typedef sampler_cube<int> isamplerCube;
}//namespace gli
#include "./core/sampler_cube.inl"
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