The Midterm Exam will be on Friday, March 27. Topics covered include OpenGL pipeline, transformations and projections, shading.
A sample old exam (it's a final, but it was an in-class final, so short and it covered the relevant material) is
The Second Midterm Exam will be on Friday, May 8. Topics covered include shading and texture mapping (in OpenGL or a ray tracer), programmable shaders, ray tracing, antialiasing, spatial data structures.
A sample old exam is
here. You should ignore the first question on this.