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Move pixel_traits to a separate header

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This commit is contained in:
Nikita Lisitsa 2020-10-04 12:22:45 +03:00
parent b1afa3dbc1
commit 6709792abf
2 changed files with 85 additions and 75 deletions
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84
libs/gfx/include/psemek/gfx/pixel.hpp Normal file
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@ -0,0 +1,84 @@
#pragma once
#include <psemek/gfx/color.hpp>
#include <psemek/gfx/gl.hpp>
namespace psemek::gfx
{
template <typename Pixel>
struct pixel_traits;
template <>
struct pixel_traits<std::uint8_t>
{
static constexpr GLenum internal_format = gl::R8;
static constexpr GLenum format = gl::RED;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<std::uint8_t, 2>>
{
static constexpr GLenum internal_format = gl::RG8;
static constexpr GLenum format = gl::RG;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<std::uint8_t, 3>>
{
static constexpr GLenum internal_format = gl::RGB8;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<std::uint8_t, 4>>
{
static constexpr GLenum internal_format = gl::RGBA8;
static constexpr GLenum format = gl::RGBA;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<std::int8_t>
{
static constexpr GLenum internal_format = gl::R8;
static constexpr GLenum format = gl::RED;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<std::int8_t, 2>>
{
static constexpr GLenum internal_format = gl::RG8;
static constexpr GLenum format = gl::RG;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<std::int8_t, 3>>
{
static constexpr GLenum internal_format = gl::RGB8;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<std::int8_t, 4>>
{
static constexpr GLenum internal_format = gl::RGBA8;
static constexpr GLenum format = gl::RGBA;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<float>
{
static constexpr GLenum internal_format = gl::R32F;
static constexpr GLenum format = gl::RED;
static constexpr GLenum type = gl::FLOAT;
};
}

76
libs/gfx/include/psemek/gfx/texture.hpp
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@ -1,6 +1,7 @@
#pragma once
#include <psemek/gfx/gl.hpp>
#include <psemek/gfx/pixel.hpp>
#include <psemek/gfx/pixmap.hpp>
#include <psemek/geom/vector.hpp>
@ -9,81 +10,6 @@
namespace psemek::gfx
{
template <typename Pixel>
struct pixel_traits;
template <>
struct pixel_traits<std::uint8_t>
{
static constexpr GLenum internal_format = gl::R8;
static constexpr GLenum format = gl::RED;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<std::uint8_t, 2>>
{
static constexpr GLenum internal_format = gl::RG8;
static constexpr GLenum format = gl::RG;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<std::uint8_t, 3>>
{
static constexpr GLenum internal_format = gl::RGB8;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<std::uint8_t, 4>>
{
static constexpr GLenum internal_format = gl::RGBA8;
static constexpr GLenum format = gl::RGBA;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<std::int8_t>
{
static constexpr GLenum internal_format = gl::R8;
static constexpr GLenum format = gl::RED;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<std::int8_t, 2>>
{
static constexpr GLenum internal_format = gl::RG8;
static constexpr GLenum format = gl::RG;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<std::int8_t, 3>>
{
static constexpr GLenum internal_format = gl::RGB8;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<std::int8_t, 4>>
{
static constexpr GLenum internal_format = gl::RGBA8;
static constexpr GLenum format = gl::RGBA;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<float>
{
static constexpr GLenum internal_format = gl::R32F;
static constexpr GLenum format = gl::RED;
static constexpr GLenum type = gl::FLOAT;
};
template <std::size_t D, GLenum Target>
struct basic_texture
{