If POINT_SMOOTH is enabled, glScissor will scissor out all pixel both in and out the scissor rectangle.
Created attachment 10398 [details] test case
OK, I think I've got this fixed. The real problem is the points were all black instead of green. Another fragment program-related issue (related to _MaintainTexEnvProgram). Someday I need to spend more time on that...
Mass version move, cvs -> git
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