From BlenderWiki
Selection Mode
Header File: GPU_select.h
void GPU_select_buffer(GLsizei size, GLuint* buffer); /* replaces glSelectBuffer(size, buffer) */ void GPU_select_begin (void); /* replaces glRenderMode(GL_SELECT) */ GLsizei GPU_select_end (void); /* replaces glRenderMode(GL_RENDER) */ void GPU_select_clear (void); /* replaces glInitNames() */ void GPU_select_pop (void); /* replaces glPopName() */ void GPU_select_push (GLuint name); /* replaces glPushName(name) */ void GPU_select_load (GLuint name); /* replaces glLoadName(name) */
This is a replacement for the selection mode in legacy OpenGL.
Currently unimplemented in core and ES profiles.