Function convertHalfToRGBA32Float

Source/Falcor/Utils/Image/Bitmap.cpp:119–135

* Converts half float image to RGBA float image. */

 * Converts half float image to RGBA float image.
 */
static std::vector<float> convertHalfToRGBA32Float(uint32_t width, uint32_t height, uint32_t channelCount, const void* pData)
{
    std::vector<float> newData(width * height * 4u, 0.f);
    const float16_t* pSrc = reinterpret_cast<const float16_t*>(pData);
    float* pDst = newData.data();

    for (uint32_t i = 0; i < width * height; ++i)
    {
        for (uint32_t c = 0; c < channelCount; ++c)
        {
            *pDst++ = float(*pSrc++);
        }
        pDst += (4 - channelCount);
    }

    return newData;
}

/**
 * Converts integer image to RGBA float image.