GL_DEPTH_COMPONENT16_NONLINEAR_NV  500 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_DEPTH_COMPONENT16_NONLINEAR_NV                       0x8E2C
GL_DEPTH_COMPONENT16_NONLINEAR_NV 1236 third_party/khronos/GLES2/gl2ext.h #define GL_DEPTH_COMPONENT16_NONLINEAR_NV 0x8E2C