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, 14 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/model.h b/apps/plugins/sdl/progs/quake/model.h
index 899010f0fb..aa034f958c 100644
--- a/apps/plugins/sdl/progs/quake/model.h
+++ b/apps/plugins/sdl/progs/quake/model.h
@@ -49,6 +49,16 @@ typedef struct
         vec3_t          position;
 } mvertex_t;
 
+typedef struct
+{
+        int             position[3];
+} mvertex_fxp_t;
+
+typedef struct
+{
+        vec3_FPM_t              position;
+} mvertex_FPM_t;
+
 #define SIDE_FRONT      0
 #define SIDE_BACK       1
 #define SIDE_ON         2
@@ -331,6 +341,10 @@ typedef struct model_s
 
         int                     numvertexes;
         mvertex_t       *vertexes;
+    
+#ifdef USE_PQ_OPT2
+        mvertex_fxp_t   *vertexes_fxp;
+#endif
 
         int                     numedges;
         medge_t         *edges;