quake: merge some fixed-point optimizations from PocketQuake

The PocketQuake project, available below, has some nice fixed-point code:

https://web.archive.org/web/20150412233306/http://quake.pocketmatrix.com/PocketQuake0062_src.zip

I'd like to see most of them merged into our Quake port. This commit
gives +0.9FPS on ipod6g. (A big change given that it was running at
only 9.7FPS to begin with!)

Change-Id: I91931bdd5c22f14fb28616de938a03b4e7d7b076

1 files changed, 9 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/r_local.h b/apps/plugins/sdl/progs/quake/r_local.h
index 910bdbffc9..ae3416ba2f 100644
--- a/apps/plugins/sdl/progs/quake/r_local.h
+++ b/apps/plugins/sdl/progs/quake/r_local.h
@@ -96,6 +96,11 @@ typedef struct clipplane_s
 
 extern  clipplane_t     view_clipplanes[4];
 
+#ifdef USE_PQ_OPT2
+extern  clipplane_fxp_t view_clipplanes_fxp[4];
+#endif
+
+
 //=============================================================================
 
 void R_RenderWorld (void);
@@ -277,6 +282,10 @@ extern int		r_outofsurfaces;
 extern int              r_outofedges;
 
 extern mvertex_t        *r_pcurrentvertbase;
+extern mvertex_FPM_t    *r_pcurrentvertbaseFPM;
+#ifdef USE_PQ_OPT2
+extern mvertex_fxp_t    *r_pcurrentvertbase_fxp;
+#endif
 extern int                      r_maxvalidedgeoffset;
 
 void R_AliasClipTriangle (mtriangle_t *ptri);