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Add integer pixel formats & restructure pixel.hpp

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This commit is contained in:
Nikita Lisitsa 2020-10-25 21:29:07 +03:00
parent 11e9abf414
commit e7427e1d58
1 changed files with 246 additions and 25 deletions
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271
libs/gfx/include/psemek/gfx/pixel.hpp
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@ -25,9 +25,14 @@ namespace psemek::gfx
struct uint10; struct uint10;
struct uint12; struct uint12;
template <typename T>
struct integer;
template <typename Pixel> template <typename Pixel>
struct pixel_traits; struct pixel_traits;
// Normalized 8-bit
template <> template <>
struct pixel_traits<std::uint8_t> struct pixel_traits<std::uint8_t>
{ {
@ -60,6 +65,36 @@ namespace psemek::gfx
static constexpr GLenum type = gl::UNSIGNED_BYTE; static constexpr GLenum type = gl::UNSIGNED_BYTE;
}; };
// Normalized 10-bit
template <>
struct pixel_traits<geom::vector<uint10, 3>>
{
static constexpr GLenum internal_format = gl::RGB10;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
// Normalized 12-bit
template <>
struct pixel_traits<geom::vector<uint12, 3>>
{
static constexpr GLenum internal_format = gl::RGB12;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
template <>
struct pixel_traits<geom::vector<uint12, 4>>
{
static constexpr GLenum internal_format = gl::RGBA12;
static constexpr GLenum format = gl::RGBA;
static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
// Normalized 16-bit
template <> template <>
struct pixel_traits<std::uint16_t> struct pixel_traits<std::uint16_t>
{ {
@ -92,62 +127,212 @@ namespace psemek::gfx
static constexpr GLenum type = gl::UNSIGNED_BYTE; static constexpr GLenum type = gl::UNSIGNED_BYTE;
}; };
// Unsigned 8-bit
template <> template <>
struct pixel_traits<geom::vector<uint10, 3>> struct pixel_traits<integer<std::uint8_t>>
{ {
static constexpr GLenum internal_format = gl::RGB10; static constexpr GLenum internal_format = gl::R8UI;
static constexpr GLenum format = gl::RGB; static constexpr GLenum format = gl::RED_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_BYTE; static constexpr GLenum type = gl::UNSIGNED_BYTE;
}; };
template <> template <>
struct pixel_traits<geom::vector<uint12, 3>> struct pixel_traits<geom::vector<integer<std::uint8_t>, 2>>
{ {
static constexpr GLenum internal_format = gl::RGB12; static constexpr GLenum internal_format = gl::RG8UI;
static constexpr GLenum format = gl::RGB; static constexpr GLenum format = gl::RG_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_BYTE; static constexpr GLenum type = gl::UNSIGNED_BYTE;
}; };
template <> template <>
struct pixel_traits<geom::vector<uint12, 4>> struct pixel_traits<geom::vector<integer<std::uint8_t>, 3>>
{ {
static constexpr GLenum internal_format = gl::RGBA12; static constexpr GLenum internal_format = gl::RGB8UI;
static constexpr GLenum format = gl::RGBA; static constexpr GLenum format = gl::RGB_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_BYTE; static constexpr GLenum type = gl::UNSIGNED_BYTE;
}; };
template <> template <>
struct pixel_traits<float> struct pixel_traits<geom::vector<integer<std::uint8_t>, 4>>
{ {
static constexpr GLenum internal_format = gl::R32F; static constexpr GLenum internal_format = gl::RGBA8UI;
static constexpr GLenum format = gl::RED; static constexpr GLenum format = gl::RGBA_INTEGER;
static constexpr GLenum type = gl::FLOAT; static constexpr GLenum type = gl::UNSIGNED_BYTE;
};
// Unsigned 16-bit
template <>
struct pixel_traits<integer<std::uint16_t>>
{
static constexpr GLenum internal_format = gl::R16UI;
static constexpr GLenum format = gl::RED_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_SHORT;
}; };
template <> template <>
struct pixel_traits<geom::vector<float, 2>> struct pixel_traits<geom::vector<integer<std::uint16_t>, 2>>
{ {
static constexpr GLenum internal_format = gl::RG32F; static constexpr GLenum internal_format = gl::RG16UI;
static constexpr GLenum format = gl::RG; static constexpr GLenum format = gl::RG_INTEGER;
static constexpr GLenum type = gl::FLOAT; static constexpr GLenum type = gl::UNSIGNED_SHORT;
}; };
template <> template <>
struct pixel_traits<geom::vector<float, 3>> struct pixel_traits<geom::vector<integer<std::uint16_t>, 3>>
{ {
static constexpr GLenum internal_format = gl::RGB32F; static constexpr GLenum internal_format = gl::RGB16UI;
static constexpr GLenum format = gl::RGB; static constexpr GLenum format = gl::RGB_INTEGER;
static constexpr GLenum type = gl::FLOAT; static constexpr GLenum type = gl::UNSIGNED_SHORT;
}; };
template <> template <>
struct pixel_traits<geom::vector<float, 4>> struct pixel_traits<geom::vector<integer<std::uint16_t>, 4>>
{ {
static constexpr GLenum internal_format = gl::RGBA32F; static constexpr GLenum internal_format = gl::RGBA16UI;
static constexpr GLenum format = gl::RGBA; static constexpr GLenum format = gl::RGBA_INTEGER;
static constexpr GLenum type = gl::FLOAT; static constexpr GLenum type = gl::UNSIGNED_SHORT;
}; };
// Unsigned 32-bit
template <>
struct pixel_traits<integer<std::uint32_t>>
{
static constexpr GLenum internal_format = gl::R32UI;
static constexpr GLenum format = gl::RED_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_INT;
};
template <>
struct pixel_traits<geom::vector<integer<std::uint32_t>, 2>>
{
static constexpr GLenum internal_format = gl::RG32UI;
static constexpr GLenum format = gl::RG_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_INT;
};
template <>
struct pixel_traits<geom::vector<integer<std::uint32_t>, 3>>
{
static constexpr GLenum internal_format = gl::RGB32UI;
static constexpr GLenum format = gl::RGB_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_INT;
};
template <>
struct pixel_traits<geom::vector<integer<std::uint32_t>, 4>>
{
static constexpr GLenum internal_format = gl::RGBA32UI;
static constexpr GLenum format = gl::RGBA_INTEGER;
static constexpr GLenum type = gl::UNSIGNED_INT;
};
// Signed 8-bit
template <>
struct pixel_traits<integer<std::int8_t>>
{
static constexpr GLenum internal_format = gl::R8I;
static constexpr GLenum format = gl::RED_INTEGER;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<integer<std::int8_t>, 2>>
{
static constexpr GLenum internal_format = gl::RG8I;
static constexpr GLenum format = gl::RG_INTEGER;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<integer<std::int8_t>, 3>>
{
static constexpr GLenum internal_format = gl::RGB8I;
static constexpr GLenum format = gl::RGB_INTEGER;
static constexpr GLenum type = gl::BYTE;
};
template <>
struct pixel_traits<geom::vector<integer<std::int8_t>, 4>>
{
static constexpr GLenum internal_format = gl::RGBA8I;
static constexpr GLenum format = gl::RGBA_INTEGER;
static constexpr GLenum type = gl::BYTE;
};
// Signed 16-bit
template <>
struct pixel_traits<integer<std::int16_t>>
{
static constexpr GLenum internal_format = gl::R16I;
static constexpr GLenum format = gl::RED_INTEGER;
static constexpr GLenum type = gl::SHORT;
};
template <>
struct pixel_traits<geom::vector<integer<std::int16_t>, 2>>
{
static constexpr GLenum internal_format = gl::RG16I;
static constexpr GLenum format = gl::RG_INTEGER;
static constexpr GLenum type = gl::SHORT;
};
template <>
struct pixel_traits<geom::vector<integer<std::int16_t>, 3>>
{
static constexpr GLenum internal_format = gl::RGB16I;
static constexpr GLenum format = gl::RGB_INTEGER;
static constexpr GLenum type = gl::SHORT;
};
template <>
struct pixel_traits<geom::vector<integer<std::int16_t>, 4>>
{
static constexpr GLenum internal_format = gl::RGBA16I;
static constexpr GLenum format = gl::RGBA_INTEGER;
static constexpr GLenum type = gl::SHORT;
};
// Signed 32-bit
template <>
struct pixel_traits<integer<std::int32_t>>
{
static constexpr GLenum internal_format = gl::R32I;
static constexpr GLenum format = gl::RED_INTEGER;
static constexpr GLenum type = gl::INT;
};
template <>
struct pixel_traits<geom::vector<integer<std::int32_t>, 2>>
{
static constexpr GLenum internal_format = gl::RG32I;
static constexpr GLenum format = gl::RG_INTEGER;
static constexpr GLenum type = gl::INT;
};
template <>
struct pixel_traits<geom::vector<integer<std::int32_t>, 3>>
{
static constexpr GLenum internal_format = gl::RGB32I;
static constexpr GLenum format = gl::RGB_INTEGER;
static constexpr GLenum type = gl::INT;
};
template <>
struct pixel_traits<geom::vector<integer<std::int32_t>, 4>>
{
static constexpr GLenum internal_format = gl::RGBA32I;
static constexpr GLenum format = gl::RGBA_INTEGER;
static constexpr GLenum type = gl::INT;
};
// Float 16-bit
template <> template <>
struct pixel_traits<float16> struct pixel_traits<float16>
{ {
@ -180,6 +365,42 @@ namespace psemek::gfx
static constexpr GLenum type = gl::FLOAT; static constexpr GLenum type = gl::FLOAT;
}; };
// Float 32-bit
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 <>
struct pixel_traits<geom::vector<float, 2>>
{
static constexpr GLenum internal_format = gl::RG32F;
static constexpr GLenum format = gl::RG;
static constexpr GLenum type = gl::FLOAT;
};
template <>
struct pixel_traits<geom::vector<float, 3>>
{
static constexpr GLenum internal_format = gl::RGB32F;
static constexpr GLenum format = gl::RGB;
static constexpr GLenum type = gl::FLOAT;
};
template <>
struct pixel_traits<geom::vector<float, 4>>
{
static constexpr GLenum internal_format = gl::RGBA32F;
static constexpr GLenum format = gl::RGBA;
static constexpr GLenum type = gl::FLOAT;
};
// Depth-stencil
template <> template <>
struct pixel_traits<depth24_pixel> struct pixel_traits<depth24_pixel>
{ {