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sampler.hpp
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1
4 #pragma once
5
6 #include <gli/filter.hpp>
7
8 namespace gli
9 {
11 enum wrap
12 {
13 WRAP_CLAMP_TO_EDGE, WRAP_FIRST = WRAP_CLAMP_TO_EDGE,
14 WRAP_CLAMP_TO_BORDER,
15 WRAP_REPEAT,
16 WRAP_MIRROR_REPEAT,
17 WRAP_MIRROR_CLAMP_TO_EDGE,
18 WRAP_MIRROR_CLAMP_TO_BORDER, WRAP_LAST = WRAP_MIRROR_CLAMP_TO_BORDER
19 };
20
21 enum
22 {
23 WRAP_COUNT = WRAP_LAST - WRAP_FIRST + 1
24 };
25
27 inline bool is_border(wrap Wrap)
28 {
29 return Wrap == WRAP_CLAMP_TO_BORDER || Wrap == WRAP_MIRROR_CLAMP_TO_BORDER;
30 }
31
33 class sampler
34 {
35 public:
36 sampler(wrap Wrap, filter Mip, filter Min);
37
38 protected:
39 typedef float(*wrap_type)(float const & SamplerCoord);
40
41 wrap_type get_func(wrap WrapMode) const;
42
43 wrap_type Wrap;
44 filter Mip;
45 filter Min;
46 };
47 }//namespace gli
48
49 #include "./core/sampler.inl"
gli::filter
filter
Texture filtring modes.
Definition: filter.hpp:18
gli::sampler
Genetic sampler class.
Definition: sampler.hpp:33
gli
Namespace where all the classes and functions provided by GLI are exposed.
Definition: clear.hpp:6
filter.hpp
Include to use filter enum, to select filtering methods.
gli::wrap
wrap
Texture coordinate wrapping mode.
Definition: sampler.hpp:11
gli::is_border
bool is_border(wrap Wrap)
Evaluate whether the texture coordinate wrapping mode relies on border color.
Definition: sampler.hpp:27