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, 13 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/mathlib.h b/apps/plugins/sdl/progs/quake/mathlib.h
index b754966802..5f7ae430f1 100644
--- a/apps/plugins/sdl/progs/quake/mathlib.h
+++ b/apps/plugins/sdl/progs/quake/mathlib.h
@@ -19,6 +19,19 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 // mathlib.h
 
+//Dan East:
+#include "FixedPointMath.h"
+
+#ifdef USE_PQ_OPT
+typedef int fpvec3[3];
+#endif
+
+typedef fixedpoint_t vec3_FPM_t[3];
+typedef fixedpoint8_24_t vec3_8_24FPM_t[3];
+typedef fixedpoint_t vec5_FPM_t[5];
+
+//End Dan
+
 typedef float vec_t;
 typedef vec_t vec3_t[3];
 typedef vec_t vec5_t[5];