GL_MAX_3D_TEXTURE_SIZE_OES  122 ppapi/lib/gl/include/GLES2/gl2ext.h #define GL_MAX_3D_TEXTURE_SIZE_OES                              0x8073
GL_MAX_3D_TEXTURE_SIZE_OES  305 third_party/khronos/GLES2/gl2ext.h #define GL_MAX_3D_TEXTURE_SIZE_OES        0x8073