Module darkplaces: Change committed

[havoc at icculus.org]

Commiter   : havoc
CVSROOT    : /cvs/cvsroot/twilight
Module     : darkplaces
Commit time: 2004-02-21 21:05:32 UTC

Log message:

cleaned up R_RenderView setup code a bit, and shuffled SCR_CalcRefdef stuff to SCR_UpdateScreen
scissor is now on during all of R_RenderView (including rtlight portions), and GL_Scissor is used to set it instead of direct qglScissor calls, also GL_ScissorTest is used
r_farclip is now calculated without need for... just about anything, this allowed shuffling the setup code around a bit
various cleanups to allow multiple view renders per frame
added scr_zoomwindow cvars to do a (silly) zoomed view picture-in-picture overlay, it works but turned out useless in playtesting unless you want to stare at a shambler's chest... ugh
R_AnimateLight and R_BuildLightList merged to become R_UpdateLights
some setup code from R_RenderView became a new function R_UpdateWorld
GL_SetupView_ViewPort calls replaced by qglViewport calls, as it was a mostly useless wrapper

Modified files:
     cl_main.c cl_screen.c gl_backend.c gl_backend.h gl_draw.c
     gl_rmain.c host.c r_light.c r_light.h r_shadow.c render.h
     screen.h todo
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