pixel_format.h

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#pragma once
 
#include <cstddef>
#include <cstdint>
#include <utility>
 
namespace CaptureMoment::Core {
 
namespace Common {
 
enum class PixelFormat : std::uint8_t {
    RGBA_F32,
 
    RGB_F32,
};
 
[[nodiscard]] constexpr std::uint8_t getChannelCount(PixelFormat pf) noexcept
{
    switch(pf) {
    case PixelFormat::RGBA_F32:
        return 4;
    case PixelFormat::RGB_F32:
        return 3;
    default:
        std::unreachable();
    }
}
 
[[nodiscard]] constexpr std::size_t getPixelSizeInBytes(PixelFormat fmt) noexcept
{
    return static_cast<std::size_t>(getChannelCount(fmt)) * sizeof(float);
}
 
} // namespace Common
 
} // namespace CaptureMoment::Core