ref: 151064726ca94693fc6c552c29d98eff2353a2d8
parent: 42b8dcf44db9868526a12ae6ce1215024c9e76aa
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Fri Jan 5 13:34:56 EST 2024
make a pretty stupid inlining for Plan 9
--- a/d_scan.c
+++ b/d_scan.c
@@ -3,6 +3,8 @@
int *r_turb_turb;
+#include "d_scan.h"
+
/*
=============
D_WarpScreen
@@ -47,306 +49,6 @@
}
}
-static inline void
-dospan_solid(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep)
-{- if(((t + tstep*spancount) >> 16) == (t >> 16)){- pbase += (t >> 16) * width;
- do{- *pdest++ = pbase[s >> 16];
- *pz++ = izi;
- s += sstep;
- izi += izistep;
- }while(--spancount);
- }else if(((s + sstep*spancount) >> 16) == (s >> 16)){- pbase += s >> 16;
- do{- *pdest++ = pbase[(t >> 16) * width];
- *pz++ = izi;
- t += tstep;
- izi += izistep;
- }while(--spancount);
- }else{- do{- *pdest++ = pbase[(s >> 16) + (t >> 16) * width];
- *pz++ = izi;
- s += sstep;
- t += tstep;
- izi += izistep;
- }while(--spancount);
- }
-}
-
-static inline void
-dospan_solid_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep, fog_t *fog)
-{- if(((t + tstep*spancount) >> 16) == (t >> 16)){- pbase += (t >> 16) * width;
- do{- *pz++ = izi;
- izi += izistep;
- *pdest++ = blendfog(pbase[s >> 16], *fog);
- fogstep(*fog);
- s += sstep;
- }while(--spancount);
- }else if(((s + sstep*spancount) >> 16) == (s >> 16)){- pbase += s >> 16;
- do{- *pz++ = izi;
- izi += izistep;
- *pdest++ = blendfog(pbase[(t >> 16) * width], *fog);
- fogstep(*fog);
- t += tstep;
- }while(--spancount);
- }else{- do{- *pz++ = izi;
- izi += izistep;
- *pdest++ = blendfog(pbase[(s >> 16) + (t >> 16) * width], *fog);
- fogstep(*fog);
- s += sstep;
- t += tstep;
- }while(--spancount);
- }
-}
-
-static inline void
-dospan_blend(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, byte alpha, uzint *pz, uzint izi, int izistep)
-{- pixel_t pix;
-
- if(((t + tstep*spancount) >> 16) == (t >> 16)){- pbase += (t >> 16) * width;
- do{- pix = pbase[s >> 16];
- s += sstep;
- if(opaque(pix) && *pz <= izi)
- *pdest = blendalpha(pix, *pdest, alpha);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else if(((s + sstep*spancount) >> 16) == (s >> 16)){- pbase += s >> 16;
- do{- pix = pbase[(t >> 16) * width];
- t += tstep;
- if(opaque(pix) && *pz <= izi)
- *pdest = blendalpha(pix, *pdest, alpha);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else{- do{- pix = pbase[(s >> 16) + (t >> 16) * width];
- s += sstep;
- t += tstep;
- if(opaque(pix) && *pz <= izi)
- *pdest = blendalpha(pix, *pdest, alpha);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }
-}
-
-static inline void
-dospan_blend_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, byte alpha, uzint *pz, uzint izi, int izistep, fog_t *fog)
-{- pixel_t pix;
-
- if(((t + tstep*spancount) >> 16) == (t >> 16)){- pbase += (t >> 16) * width;
- do{- pix = pbase[s >> 16];
- s += sstep;
- if(opaque(pix) && *pz <= izi)
- *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);
- fogstep(*fog);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else if(((s + sstep*spancount) >> 16) == (s >> 16)){- pbase += s >> 16;
- do{- pix = pbase[(t >> 16) * width];
- t += tstep;
- if(opaque(pix) && *pz <= izi)
- *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);
- fogstep(*fog);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else{- do{- pix = pbase[(s >> 16) + (t >> 16) * width];
- s += sstep;
- t += tstep;
- if(opaque(pix) && *pz <= izi)
- *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);
- fogstep(*fog);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }
-}
-
-static inline void
-dospan_fence(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep)
-{- pixel_t pix;
-
- if(((t + tstep*spancount) >> 16) == (t >> 16)){- pbase += (t >> 16) * width;
- do{- pix = pbase[s >> 16];
- s += sstep;
- if(opaque(pix) && *pz <= izi){- *pdest = pix;
- *pz = izi;
- }
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else if(((s + sstep*spancount) >> 16) == (s >> 16)){- pbase += s >> 16;
- do{- pix = pbase[(t >> 16) * width];
- t += tstep;
- if(opaque(pix) && *pz <= izi){- *pdest = pix;
- *pz = izi;
- }
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else{- do{- pix = pbase[(s >> 16) + (t >> 16) * width];
- s += sstep;
- t += tstep;
- if(opaque(pix) && *pz <= izi){- *pdest = pix;
- *pz = izi;
- }
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }
-}
-
-static inline void
-dospan_fence_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep, fog_t *fog)
-{- pixel_t pix;
-
- if(((t + tstep*spancount) >> 16) == (t >> 16)){- pbase += (t >> 16) * width;
- do{- pix = pbase[s >> 16];
- s += sstep;
- if(opaque(pix) && *pz <= izi){- *pdest = blendfog(pix, *fog);
- *pz = izi;
- }
- fogstep(*fog);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else if(((s + sstep*spancount) >> 16) == (s >> 16)){- pbase += s >> 16;
- do{- pix = pbase[(t >> 16) * width];
- t += tstep;
- if(opaque(pix) && *pz <= izi){- *pdest = blendfog(pix, *fog);
- *pz = izi;
- }
- fogstep(*fog);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }else{- do{- pix = pbase[(s >> 16) + (t >> 16) * width];
- s += sstep;
- t += tstep;
- if(opaque(pix) && *pz <= izi){- *pdest = blendfog(pix, *fog);
- *pz = izi;
- }
- fogstep(*fog);
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount);
- }
-}
-
-static void
-dospan_turb(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, byte alpha, uzint *pz, uzint izi, int izistep)
-{- int sturb, tturb;
- bool noblend;
-
- noblend = (r_drawflags & DRAW_BLEND) == 0;
- s &= (CYCLE<<16)-1;
- t &= (CYCLE<<16)-1;
-
- do{- if(noblend || *pz <= izi){- sturb = ((s + r_turb_turb[(t>>16)&(CYCLE-1)])>>16)&63;
- tturb = ((t + r_turb_turb[(s>>16)&(CYCLE-1)])>>16)&63;
- *pdest = blendalpha(*(pbase + (tturb<<6) + sturb), *pdest, alpha);
- if(noblend)
- *pz = izi;
- }
- s += sstep;
- t += tstep;
- izi += izistep;
- pdest++;
- pz++;
- }while(--spancount > 0);
-
-}
-
-static void
-dospan_turb_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, byte alpha, uzint *pz, uzint izi, int izistep, fog_t *fog)
-{- int sturb, tturb;
- bool noblend;
-
- noblend = (r_drawflags & DRAW_BLEND) == 0;
- s &= (CYCLE<<16)-1;
- t &= (CYCLE<<16)-1;
-
- do{- if(noblend || *pz <= izi){- sturb = ((s + r_turb_turb[(t>>16)&(CYCLE-1)])>>16)&63;
- tturb = ((t + r_turb_turb[(s>>16)&(CYCLE-1)])>>16)&63;
- *pdest = blendalpha(0xff<<24 | blendfog(*(pbase + (tturb<<6) + sturb), *fog), *pdest, alpha);
- if(noblend)
- *pz = izi;
- }
- s += sstep;
- t += tstep;
- izi += izistep;
- pdest++;
- pz++;
- fogstep(*fog);
- }while(--spancount > 0);
-
-}
-
static int
D_DrawSpanGetMax(float u, float v)
{@@ -465,34 +167,38 @@
}
}
+ pixel_t *pdest_ = pdest, *pbase_ = pbase;
+ uzint *pz_ = pz;
+ fog_t *fog_ = &fog;
+ int spancount_ = spancount, izi_ = izi;
if(fogged){ switch(spanfunc){case SPAN_SOLID:
- dospan_solid_f1(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep, &fog);
+ dospan_solid_f1(pdest_, pbase_, s, t, sstep, tstep, spancount_, width, pz_, izi_, izistep, fog_);
break;
case SPAN_TURB:
- dospan_turb_f1(pdest, pbase, s, t, sstep, tstep, spancount, alpha, pz, izi, izistep, &fog);
+ dospan_turb_f1(pdest_, pbase_, s, t, sstep, tstep, spancount_, alpha, pz_, izi_, izistep, fog_);
break;
case SPAN_BLEND:
- dospan_blend_f1(pdest, pbase, s, t, sstep, tstep, spancount, width, alpha, pz, izi, izistep, &fog);
+ dospan_blend_f1(pdest_, pbase_, s, t, sstep, tstep, spancount_, width, alpha, pz_, izi_, izistep, fog_);
break;
case SPAN_FENCE:
- dospan_fence_f1(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep, &fog);
+ dospan_fence_f1(pdest_, pbase_, s, t, sstep, tstep, spancount_, width, pz_, izi_, izistep, fog_);
break;
}
}else{ switch(spanfunc){case SPAN_SOLID:
- dospan_solid(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep);
+ dospan_solid(pdest_, pbase_, s, t, sstep, tstep, spancount_, width, pz_, izi_, izistep);
break;
case SPAN_TURB:
- dospan_turb(pdest, pbase, s, t, sstep, tstep, spancount, alpha, pz, izi, izistep);
+ dospan_turb(pdest_, pbase_, s, t, sstep, tstep, spancount_, alpha, pz_, izi_, izistep);
break;
case SPAN_BLEND:
- dospan_blend(pdest, pbase, s, t, sstep, tstep, spancount, width, alpha, pz, izi, izistep);
+ dospan_blend(pdest_, pbase_, s, t, sstep, tstep, spancount_, width, alpha, pz_, izi_, izistep);
break;
case SPAN_FENCE:
- dospan_fence(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep);
+ dospan_fence(pdest_, pbase_, s, t, sstep, tstep, spancount_, width, pz_, izi_, izistep);
break;
}
}
--- /dev/null
+++ b/plan9/d_scan.h
@@ -1,0 +1,291 @@
+#define dospan_solid(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep)\
+{\+ if(((t + tstep*spancount) >> 16) == (t >> 16)){\+ pbase += (t >> 16) * width;\
+ do{\+ *pdest++ = pbase[s >> 16];\
+ *pz++ = izi;\
+ s += sstep;\
+ izi += izistep;\
+ }while(--spancount);\
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){\+ pbase += s >> 16;\
+ do{\+ *pdest++ = pbase[(t >> 16) * width];\
+ *pz++ = izi;\
+ t += tstep;\
+ izi += izistep;\
+ }while(--spancount);\
+ }else{\+ do{\+ *pdest++ = pbase[(s >> 16) + (t >> 16) * width];\
+ *pz++ = izi;\
+ s += sstep;\
+ t += tstep;\
+ izi += izistep;\
+ }while(--spancount);\
+ }\
+}
+
+#define dospan_solid_f1(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep, fog)\
+{\+ if(((t + tstep*spancount) >> 16) == (t >> 16)){\+ pbase += (t >> 16) * width;\
+ do{\+ *pz++ = izi;\
+ izi += izistep;\
+ *pdest++ = blendfog(pbase[s >> 16], *fog);\
+ fogstep(*fog);\
+ s += sstep;\
+ }while(--spancount);\
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){\+ pbase += s >> 16;\
+ do{\+ *pz++ = izi;\
+ izi += izistep;\
+ *pdest++ = blendfog(pbase[(t >> 16) * width], *fog);\
+ fogstep(*fog);\
+ t += tstep;\
+ }while(--spancount);\
+ }else{\+ do{\+ *pz++ = izi;\
+ izi += izistep;\
+ *pdest++ = blendfog(pbase[(s >> 16) + (t >> 16) * width], *fog);\
+ fogstep(*fog);\
+ s += sstep;\
+ t += tstep;\
+ }while(--spancount);\
+ }\
+}
+
+#define dospan_blend(pdest, pbase, s, t, sstep, tstep, spancount, width, alpha, pz, izi, izistep)\
+{\+ pixel_t pix;\
+\
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){\+ pbase += (t >> 16) * width;\
+ do{\+ pix = pbase[s >> 16];\
+ s += sstep;\
+ if(opaque(pix) && *pz <= izi)\
+ *pdest = blendalpha(pix, *pdest, alpha);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){\+ pbase += s >> 16;\
+ do{\+ pix = pbase[(t >> 16) * width];\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi)\
+ *pdest = blendalpha(pix, *pdest, alpha);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else{\+ do{\+ pix = pbase[(s >> 16) + (t >> 16) * width];\
+ s += sstep;\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi)\
+ *pdest = blendalpha(pix, *pdest, alpha);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }\
+}
+
+#define dospan_blend_f1(pdest, pbase, s, t, sstep, tstep, spancount, width, alpha, pz, izi, izistep, fog)\
+{\+ pixel_t pix;\
+\
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){\+ pbase += (t >> 16) * width;\
+ do{\+ pix = pbase[s >> 16];\
+ s += sstep;\
+ if(opaque(pix) && *pz <= izi)\
+ *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);\
+ fogstep(*fog);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){\+ pbase += s >> 16;\
+ do{\+ pix = pbase[(t >> 16) * width];\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi)\
+ *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);\
+ fogstep(*fog);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else{\+ do{\+ pix = pbase[(s >> 16) + (t >> 16) * width];\
+ s += sstep;\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi)\
+ *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);\
+ fogstep(*fog);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }\
+}
+
+#define dospan_fence(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep)\
+{\+ pixel_t pix;\
+\
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){\+ pbase += (t >> 16) * width;\
+ do{\+ pix = pbase[s >> 16];\
+ s += sstep;\
+ if(opaque(pix) && *pz <= izi){\+ *pdest = pix;\
+ *pz = izi;\
+ }\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){\+ pbase += s >> 16;\
+ do{\+ pix = pbase[(t >> 16) * width];\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi){\+ *pdest = pix;\
+ *pz = izi;\
+ }\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else{\+ do{\+ pix = pbase[(s >> 16) + (t >> 16) * width];\
+ s += sstep;\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi){\+ *pdest = pix;\
+ *pz = izi;\
+ }\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }\
+}
+
+#define dospan_fence_f1(pdest, pbase, s, t, sstep, tstep, spancount, width, pz, izi, izistep, fog)\
+{\+ pixel_t pix;\
+\
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){\+ pbase += (t >> 16) * width;\
+ do{\+ pix = pbase[s >> 16];\
+ s += sstep;\
+ if(opaque(pix) && *pz <= izi){\+ *pdest = blendfog(pix, *fog);\
+ *pz = izi;\
+ }\
+ fogstep(*fog);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){\+ pbase += s >> 16;\
+ do{\+ pix = pbase[(t >> 16) * width];\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi){\+ *pdest = blendfog(pix, *fog);\
+ *pz = izi;\
+ }\
+ fogstep(*fog);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }else{\+ do{\+ pix = pbase[(s >> 16) + (t >> 16) * width];\
+ s += sstep;\
+ t += tstep;\
+ if(opaque(pix) && *pz <= izi){\+ *pdest = blendfog(pix, *fog);\
+ *pz = izi;\
+ }\
+ fogstep(*fog);\
+ izi += izistep;\
+ pdest++;\
+ pz++;\
+ }while(--spancount);\
+ }\
+}
+
+static void
+dospan_turb(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, byte alpha, uzint *pz, uzint izi, int izistep)
+{+ int sturb, tturb;
+ bool noblend;
+
+ noblend = (r_drawflags & DRAW_BLEND) == 0;
+ s &= (CYCLE<<16)-1;
+ t &= (CYCLE<<16)-1;
+
+ do{+ if(noblend || *pz <= izi){+ sturb = ((s + r_turb_turb[(t>>16)&(CYCLE-1)])>>16)&63;
+ tturb = ((t + r_turb_turb[(s>>16)&(CYCLE-1)])>>16)&63;
+ *pdest = blendalpha(*(pbase + (tturb<<6) + sturb), *pdest, alpha);
+ if(noblend)
+ *pz = izi;
+ }
+ s += sstep;
+ t += tstep;
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount > 0);
+}
+
+static void
+dospan_turb_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, byte alpha, uzint *pz, uzint izi, int izistep, fog_t *fog)
+{+ int sturb, tturb;
+ bool noblend;
+
+ noblend = (r_drawflags & DRAW_BLEND) == 0;
+ s &= (CYCLE<<16)-1;
+ t &= (CYCLE<<16)-1;
+
+ do{+ if(noblend || *pz <= izi){+ sturb = ((s + r_turb_turb[(t>>16)&(CYCLE-1)])>>16)&63;
+ tturb = ((t + r_turb_turb[(s>>16)&(CYCLE-1)])>>16)&63;
+ *pdest = blendalpha(0xff<<24 | blendfog(*(pbase + (tturb<<6) + sturb), *fog), *pdest, alpha);
+ if(noblend)
+ *pz = izi;
+ }
+ s += sstep;
+ t += tstep;
+ izi += izistep;
+ pdest++;
+ pz++;
+ fogstep(*fog);
+ }while(--spancount > 0);
+}
--- /dev/null
+++ b/plan9/inline
@@ -1,0 +1,14 @@
+#!/bin/rc
+
+awk '
+ / inline / { inlining = 1; striptypes = 1; printf "#define "; next }+ /^}$/ && inlining { inlining = 0; print; next }+ inlining {+ if(striptypes)
+ gsub(/[a-zA-Z_0-9]+ [*]?/, "")
+ striptypes = 0
+ printf "%s\\\n", $0
+ next
+ }
+ !inlining { print }+' $*
--- /dev/null
+++ b/unix/d_scan.h
@@ -1,0 +1,297 @@
+static inline void
+dospan_solid(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep)
+{+ if(((t + tstep*spancount) >> 16) == (t >> 16)){+ pbase += (t >> 16) * width;
+ do{+ *pdest++ = pbase[s >> 16];
+ *pz++ = izi;
+ s += sstep;
+ izi += izistep;
+ }while(--spancount);
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){+ pbase += s >> 16;
+ do{+ *pdest++ = pbase[(t >> 16) * width];
+ *pz++ = izi;
+ t += tstep;
+ izi += izistep;
+ }while(--spancount);
+ }else{+ do{+ *pdest++ = pbase[(s >> 16) + (t >> 16) * width];
+ *pz++ = izi;
+ s += sstep;
+ t += tstep;
+ izi += izistep;
+ }while(--spancount);
+ }
+}
+
+static inline void
+dospan_solid_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep, fog_t *fog)
+{+ if(((t + tstep*spancount) >> 16) == (t >> 16)){+ pbase += (t >> 16) * width;
+ do{+ *pz++ = izi;
+ izi += izistep;
+ *pdest++ = blendfog(pbase[s >> 16], *fog);
+ fogstep(*fog);
+ s += sstep;
+ }while(--spancount);
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){+ pbase += s >> 16;
+ do{+ *pz++ = izi;
+ izi += izistep;
+ *pdest++ = blendfog(pbase[(t >> 16) * width], *fog);
+ fogstep(*fog);
+ t += tstep;
+ }while(--spancount);
+ }else{+ do{+ *pz++ = izi;
+ izi += izistep;
+ *pdest++ = blendfog(pbase[(s >> 16) + (t >> 16) * width], *fog);
+ fogstep(*fog);
+ s += sstep;
+ t += tstep;
+ }while(--spancount);
+ }
+}
+
+static inline void
+dospan_blend(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, byte alpha, uzint *pz, uzint izi, int izistep)
+{+ pixel_t pix;
+
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){+ pbase += (t >> 16) * width;
+ do{+ pix = pbase[s >> 16];
+ s += sstep;
+ if(opaque(pix) && *pz <= izi)
+ *pdest = blendalpha(pix, *pdest, alpha);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){+ pbase += s >> 16;
+ do{+ pix = pbase[(t >> 16) * width];
+ t += tstep;
+ if(opaque(pix) && *pz <= izi)
+ *pdest = blendalpha(pix, *pdest, alpha);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else{+ do{+ pix = pbase[(s >> 16) + (t >> 16) * width];
+ s += sstep;
+ t += tstep;
+ if(opaque(pix) && *pz <= izi)
+ *pdest = blendalpha(pix, *pdest, alpha);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }
+}
+
+static inline void
+dospan_blend_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, byte alpha, uzint *pz, uzint izi, int izistep, fog_t *fog)
+{+ pixel_t pix;
+
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){+ pbase += (t >> 16) * width;
+ do{+ pix = pbase[s >> 16];
+ s += sstep;
+ if(opaque(pix) && *pz <= izi)
+ *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);
+ fogstep(*fog);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){+ pbase += s >> 16;
+ do{+ pix = pbase[(t >> 16) * width];
+ t += tstep;
+ if(opaque(pix) && *pz <= izi)
+ *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);
+ fogstep(*fog);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else{+ do{+ pix = pbase[(s >> 16) + (t >> 16) * width];
+ s += sstep;
+ t += tstep;
+ if(opaque(pix) && *pz <= izi)
+ *pdest = blendalpha(0xff<<24 | blendfog(pix, *fog), *pdest, alpha);
+ fogstep(*fog);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }
+}
+
+static inline void
+dospan_fence(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep)
+{+ pixel_t pix;
+
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){+ pbase += (t >> 16) * width;
+ do{+ pix = pbase[s >> 16];
+ s += sstep;
+ if(opaque(pix) && *pz <= izi){+ *pdest = pix;
+ *pz = izi;
+ }
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){+ pbase += s >> 16;
+ do{+ pix = pbase[(t >> 16) * width];
+ t += tstep;
+ if(opaque(pix) && *pz <= izi){+ *pdest = pix;
+ *pz = izi;
+ }
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else{+ do{+ pix = pbase[(s >> 16) + (t >> 16) * width];
+ s += sstep;
+ t += tstep;
+ if(opaque(pix) && *pz <= izi){+ *pdest = pix;
+ *pz = izi;
+ }
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }
+}
+
+static inline void
+dospan_fence_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, int width, uzint *pz, uzint izi, int izistep, fog_t *fog)
+{+ pixel_t pix;
+
+ if(((t + tstep*spancount) >> 16) == (t >> 16)){+ pbase += (t >> 16) * width;
+ do{+ pix = pbase[s >> 16];
+ s += sstep;
+ if(opaque(pix) && *pz <= izi){+ *pdest = blendfog(pix, *fog);
+ *pz = izi;
+ }
+ fogstep(*fog);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else if(((s + sstep*spancount) >> 16) == (s >> 16)){+ pbase += s >> 16;
+ do{+ pix = pbase[(t >> 16) * width];
+ t += tstep;
+ if(opaque(pix) && *pz <= izi){+ *pdest = blendfog(pix, *fog);
+ *pz = izi;
+ }
+ fogstep(*fog);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }else{+ do{+ pix = pbase[(s >> 16) + (t >> 16) * width];
+ s += sstep;
+ t += tstep;
+ if(opaque(pix) && *pz <= izi){+ *pdest = blendfog(pix, *fog);
+ *pz = izi;
+ }
+ fogstep(*fog);
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount);
+ }
+}
+
+static void
+dospan_turb(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, byte alpha, uzint *pz, uzint izi, int izistep)
+{+ int sturb, tturb;
+ bool noblend;
+
+ noblend = (r_drawflags & DRAW_BLEND) == 0;
+ s &= (CYCLE<<16)-1;
+ t &= (CYCLE<<16)-1;
+
+ do{+ if(noblend || *pz <= izi){+ sturb = ((s + r_turb_turb[(t>>16)&(CYCLE-1)])>>16)&63;
+ tturb = ((t + r_turb_turb[(s>>16)&(CYCLE-1)])>>16)&63;
+ *pdest = blendalpha(*(pbase + (tturb<<6) + sturb), *pdest, alpha);
+ if(noblend)
+ *pz = izi;
+ }
+ s += sstep;
+ t += tstep;
+ izi += izistep;
+ pdest++;
+ pz++;
+ }while(--spancount > 0);
+}
+
+static void
+dospan_turb_f1(pixel_t *pdest, pixel_t *pbase, int s, int t, int sstep, int tstep, int spancount, byte alpha, uzint *pz, uzint izi, int izistep, fog_t *fog)
+{+ int sturb, tturb;
+ bool noblend;
+
+ noblend = (r_drawflags & DRAW_BLEND) == 0;
+ s &= (CYCLE<<16)-1;
+ t &= (CYCLE<<16)-1;
+
+ do{+ if(noblend || *pz <= izi){+ sturb = ((s + r_turb_turb[(t>>16)&(CYCLE-1)])>>16)&63;
+ tturb = ((t + r_turb_turb[(s>>16)&(CYCLE-1)])>>16)&63;
+ *pdest = blendalpha(0xff<<24 | blendfog(*(pbase + (tturb<<6) + sturb), *fog), *pdest, alpha);
+ if(noblend)
+ *pz = izi;
+ }
+ s += sstep;
+ t += tstep;
+ izi += izistep;
+ pdest++;
+ pz++;
+ fogstep(*fog);
+ }while(--spancount > 0);
+}