1EGL_EXT_pixel_format_float
2https://www.khronos.org/registry/egl/specs/eglspec.1.5.pdf
3EGL_EXT_pixel_format_float
4
5	EGL_COLOR_COMPONENT_TYPE_EXT 0x3339
6	EGL_COLOR_COMPONENT_TYPE_FIXED_EXT 0x333A
7	EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT 0x333B
8