Function imageSizeInBytes

source/globjects/source/pixelformat.cpp:130–148

int imageSizeInBytes(const int width, const int height, const int depth, const GLenum format, const GLenum type)
{
    if (type == GL_BITMAP)
    {
        // handle differently?
        warning() << "imageSizeInBytes: GL_BITMAP not implemented yet";
        return -1;
    }

    int pixelSize = bytesPerPixel(format, type);

    int rowSize = pixelSize * width;

    int alignment = getInteger(GL_PACK_ALIGNMENT); // can be 1, 2, 4 or 8

    rowSize = nextMultiple(rowSize, alignment);

    return rowSize * height * depth;
}


} // namespace globjects