GL_AMD_gpu_shader_half_float_fetch
https://www.khronos.org/registry/OpenGL/extensions/AMD/AMD_gpu_shader_half_float_fetch.txt
GL_AMD_gpu_shader_half_float_fetch

	GL_FLOAT16_SAMPLER_1D_AMD 0x91CE
	GL_FLOAT16_SAMPLER_2D_AMD 0x91CF
	GL_FLOAT16_SAMPLER_3D_AMD 0x91D0
	GL_FLOAT16_SAMPLER_CUBE_AMD 0x91D1
	GL_FLOAT16_SAMPLER_2D_RECT_AMD 0x91D2
	GL_FLOAT16_SAMPLER_1D_ARRAY_AMD 0x91D3
	GL_FLOAT16_SAMPLER_2D_ARRAY_AMD 0x91D4
	GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_AMD 0x91D5
	GL_FLOAT16_SAMPLER_BUFFER_AMD 0x91D6
	GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_AMD 0x91D7
	GL_FLOAT16_SAMPLER_2D_MULTISAMPLE_ARRAY_AMD 0x91D8
	GL_FLOAT16_SAMPLER_1D_SHADOW_AMD 0x91D9
	GL_FLOAT16_SAMPLER_2D_SHADOW_AMD 0x91DA
	GL_FLOAT16_SAMPLER_2D_RECT_SHADOW_AMD 0x91DB
	GL_FLOAT16_SAMPLER_1D_ARRAY_SHADOW_AMD 0x91DC
	GL_FLOAT16_SAMPLER_2D_ARRAY_SHADOW_AMD 0x91DD
	GL_FLOAT16_SAMPLER_CUBE_SHADOW_AMD 0x91DE
	GL_FLOAT16_SAMPLER_CUBE_MAP_ARRAY_SHADOW_AMD 0x91DF
	GL_FLOAT16_IMAGE_1D_AMD 0x91E0
	GL_FLOAT16_IMAGE_2D_AMD 0x91E1
	GL_FLOAT16_IMAGE_3D_AMD 0x91E2
	GL_FLOAT16_IMAGE_2D_RECT_AMD 0x91E3
	GL_FLOAT16_IMAGE_CUBE_AMD 0x91E4
	GL_FLOAT16_IMAGE_1D_ARRAY_AMD 0x91E5
	GL_FLOAT16_IMAGE_2D_ARRAY_AMD 0x91E6
	GL_FLOAT16_IMAGE_CUBE_MAP_ARRAY_AMD 0x91E7
	GL_FLOAT16_IMAGE_BUFFER_AMD 0x91E8
	GL_FLOAT16_IMAGE_2D_MULTISAMPLE_AMD 0x91E9
	GL_FLOAT16_IMAGE_2D_MULTISAMPLE_ARRAY_AMD 0x91EA