glDrawTransformFeedback

Specifies what kind of primitives to render. Symbolic constants GL_POINTS , GL_LINE_STRIP , GL_LINE_LOOP , GL_LINES , GL_LINE_STRIP_ADJACENCY , GL_LINES_ADJACENCY , GL_TRIANGLE_STRIP , GL_TRIANGLE_FAN , GL_TRIANGLES , GL_TRIANGLE_STRIP_ADJACENCY , GL_TRIANGLES_ADJACENCY , and GL_PATCHES are accepted.

Specifies the name of a transform feedback object from which to retrieve a primitive count.