GL_MAX_COLOR_ATTACHMENTS_EXT  579 gpu/GLES2/gl2extchromium.h #define GL_MAX_COLOR_ATTACHMENTS_EXT 0x8CDF
GL_MAX_COLOR_ATTACHMENTS_EXT  720 third_party/khronos/GLES2/gl2ext.h #define GL_MAX_COLOR_ATTACHMENTS_EXT      0x8CDF