quake: merge the remaining Pocket Quake PQ_OPT changes

I didn't do _OPT3 because it's disabled in the PQ source.

This gives as +0.2FPS boost over the last commit.

Change-Id: I9c3c8fb7bd23262beb810da6e9469d6b6c4b2a81

1 files changed, 43 insertions, 1 deletions

diff --git a/apps/plugins/sdl/progs/quake/r_misc.c b/apps/plugins/sdl/progs/quake/r_misc.c
index c0aa7e991d..349f760140 100644
--- a/apps/plugins/sdl/progs/quake/r_misc.c
+++ b/apps/plugins/sdl/progs/quake/r_misc.c
@@ -286,8 +286,18 @@ void R_TransformFrustum (void)
                 v2[2] = v[1]*vright[2] + v[2]*vup[2] + v[0]*vpn[2];
 
                 VectorCopy (v2, view_clipplanes[i].normal);
-
                 view_clipplanes[i].dist = DotProduct (modelorg, v2);
+
+#ifdef USE_PQ_OPT2
+                if (!v2[0]) view_clipplanes_fxp[i].normal[0]=2<29;
+                else view_clipplanes_fxp[i].normal[0]=(int)(4096.0f/v2[0]);
+                if (!v2[1]) view_clipplanes_fxp[i].normal[1]=2<29;
+                else view_clipplanes_fxp[i].normal[1]=(int)(4096.0f/v2[1]);
+                if (!v2[2]) view_clipplanes_fxp[i].normal[2]=2<29;
+                else view_clipplanes_fxp[i].normal[2]=(int)(4096.0f/v2[2]);
+
+                view_clipplanes_fxp[i].dist=(int)(view_clipplanes[i].dist*128.0);
+#endif
         }
 }
 
@@ -306,6 +316,38 @@ void TransformVector (vec3_t in, vec3_t out)
         out[2] = DotProduct(in,vpn);            
 }
 
+#ifdef USE_PQ_OPT
+//JB: Optimization
+static float last;
+static fpvec3 fpvright, fpvup, fpvpn;
+void FPTransformVector( fpvec3 in, fpvec3 out )
+{
+        if (last != vright[0])
+        {
+                last = vright[0];
+                fpvright[0] = (int)(16384.0f * vright[0]); 
+                fpvright[1] = (int)(16384.0f * vright[1]); 
+                fpvright[2] = (int)(16384.0f * vright[2]); 
+                fpvup[0] = (int)(16384.0f * vup[0]); 
+                fpvup[1] = (int)(16384.0f * vup[1]); 
+                fpvup[2] = (int)(16384.0f * vup[2]); 
+                fpvpn[0] = (int)(16384.0f * vpn[0]); 
+                fpvpn[1] = (int)(16384.0f * vpn[1]); 
+                fpvpn[2] = (int)(16384.0f * vpn[2]); 
+        }
+        out[0] = (in[0] * fpvright[0] +
+                         in[1] * fpvright[1] +
+                         in[2] * fpvright[2]) >> 4;
+        out[1] = (in[0] * fpvup[0] +
+                         in[1] * fpvup[1] +
+                         in[2] * fpvup[2]) >> 4;
+        out[2] = (in[0] * fpvpn[0] +
+                         in[1] * fpvpn[1] +
+                         in[2] * fpvpn[2]) >> 4;
+}
+
+#endif
+
 #endif