1GL_ATI_texture_float
2http://www.opengl.org/registry/specs/ATI/texture_float.txt
3GL_ATI_texture_float
4
5	GL_RGBA_FLOAT32_ATI 0x8814
6	GL_RGB_FLOAT32_ATI 0x8815
7	GL_ALPHA_FLOAT32_ATI 0x8816
8	GL_INTENSITY_FLOAT32_ATI 0x8817
9	GL_LUMINANCE_FLOAT32_ATI 0x8818
10	GL_LUMINANCE_ALPHA_FLOAT32_ATI 0x8819
11	GL_RGBA_FLOAT16_ATI 0x881A
12	GL_RGB_FLOAT16_ATI 0x881B
13	GL_ALPHA_FLOAT16_ATI 0x881C
14	GL_INTENSITY_FLOAT16_ATI 0x881D
15	GL_LUMINANCE_FLOAT16_ATI 0x881E
16	GL_LUMINANCE_ALPHA_FLOAT16_ATI 0x881F
17