The question development shops would be asking themselves is: will the additional revenues provided by Linux / Mac ports of these games be enough to offset the cost of retraining their people (or hiring new people) who are prepared to do serious OpenGL development?
Moreover, many game companies are using licensed game engines. These engines may not now (or ever) support OpenGL, so the game developers themselves may not have the option to change--even if they did want to.
The question development shops would be asking themselves is: will the additional revenues provided by Linux / Mac ports of these games be enough to offset the cost of retraining their people (or hiring new people) who are prepared to do serious OpenGL development?
Moreover, many game companies are using licensed game engines. These engines may not now (or ever) support OpenGL, so the game developers themselves may not have the option to change--even if they did want to.