1GL_OES_compressed_paletted_texture
2https://www.khronos.org/registry/OpenGL/extensions/OES/OES_compressed_paletted_texture.txt
3GL_OES_compressed_paletted_texture
4
5	GL_PALETTE4_RGB8_OES 0x8B90
6	GL_PALETTE4_RGBA8_OES 0x8B91
7	GL_PALETTE4_R5_G6_B5_OES 0x8B92
8	GL_PALETTE4_RGBA4_OES 0x8B93
9	GL_PALETTE4_RGB5_A1_OES 0x8B94
10	GL_PALETTE8_RGB8_OES 0x8B95
11	GL_PALETTE8_RGBA8_OES 0x8B96
12	GL_PALETTE8_R5_G6_B5_OES 0x8B97
13	GL_PALETTE8_RGBA4_OES 0x8B98
14	GL_PALETTE8_RGB5_A1_OES 0x8B99
15