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- copybyte is not the same as memcpy.

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It should be inlined to use it, though, because homegrown loops for this stuff may have been ok in 1995, but not in 2019.
This commit is contained in:
Christoph Oelckers 2019-12-15 21:06:41 +01:00
parent c9198729b0
commit 9b9c009de9
5 changed files with 51 additions and 14 deletions
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6
source/build/include/pragmas.h
View file

@ -189,6 +189,9 @@ void qinterpolatedown16short(intptr_t bufptr, int32_t num, int32_t val, int32_t
#ifndef pragmas_have_clearbuf
void clearbuf(void *d, int32_t c, int32_t a);
#endif
#ifndef pragmas_have_copybuf
void copybuf(const void *s, void *d, int32_t c);
#endif
#ifndef pragmas_have_swaps
void swapbuf4(void *a, void *b, int32_t c);
#endif
@ -196,6 +199,9 @@ void swapbuf4(void *a, void *b, int32_t c);
#ifndef pragmas_have_clearbufbyte
void clearbufbyte(void *D, int32_t c, int32_t a);
#endif
#ifndef pragmas_have_copybufbyte
void copybufbyte(const void *S, void *D, int32_t c);
#endif
#ifndef pragmas_have_copybufreverse
void copybufreverse(const void *S, void *D, int32_t c);
#endif

22
source/build/src/engine.cpp
View file

@ -4478,7 +4478,7 @@ static void classicDrawBunches(int32_t bunch)
smostwall[smostwallcnt] = z;
smostwalltype[smostwallcnt] = 1; //1 for umost
smostwallcnt++;
memcpy(&umost[x1],&smost[smostcnt],i*sizeof(smost[0]));
copybufbyte(&umost[x1],&smost[smostcnt],i*sizeof(smost[0]));
smostcnt += i;
}
}
@ -4564,7 +4564,7 @@ static void classicDrawBunches(int32_t bunch)
smostwall[smostwallcnt] = z;
smostwalltype[smostwallcnt] = 2; //2 for dmost
smostwallcnt++;
memcpy(&dmost[x1],&smost[smostcnt],i*sizeof(smost[0]));
copybufbyte(&dmost[x1],&smost[smostcnt],i*sizeof(smost[0]));
smostcnt += i;
}
}
@ -5033,6 +5033,16 @@ static void classicDrawVoxel(int32_t dasprx, int32_t daspry, int32_t dasprz, int
}
}
#if 0
for (x=0; x<xdimen; x++)
{
if (daumost[x]>=0 && daumost[x]<ydimen)
*(char *)(frameplace + x + bytesperline*daumost[x]) = editorcolors[13];
if (dadmost[x]>=0 && dadmost[x]<ydimen)
*(char *)(frameplace + x + bytesperline*dadmost[x]) = editorcolors[14];
}
#endif
videoEndDrawing(); //}}}
}
@ -11638,8 +11648,8 @@ void renderSetTarget(int16_t tilenume, int32_t xsiz, int32_t ysiz)
rendmode = REND_CLASSIC;
#endif
memcpy(&startumost[windowxy1.x],&bakumost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(bakumost[0]));
memcpy(&startdmost[windowxy1.x],&bakdmost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(bakdmost[0]));
copybufbyte(&startumost[windowxy1.x],&bakumost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(bakumost[0]));
copybufbyte(&startdmost[windowxy1.x],&bakdmost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(bakdmost[0]));
setviewcnt++;
offscreenrendering = 1;
@ -11673,8 +11683,8 @@ void renderRestoreTarget(void)
ydim = bakysiz[setviewcnt];
videoSetViewableArea(bakwindowxy1[setviewcnt].x,bakwindowxy1[setviewcnt].y,
bakwindowxy2[setviewcnt].x,bakwindowxy2[setviewcnt].y);
memcpy(&bakumost[windowxy1.x],&startumost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(startumost[0]));
memcpy(&bakdmost[windowxy1.x],&startdmost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(startdmost[0]));
copybufbyte(&bakumost[windowxy1.x],&startumost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(startumost[0]));
copybufbyte(&bakdmost[windowxy1.x],&startdmost[windowxy1.x],(windowxy2.x-windowxy1.x+1)*sizeof(startdmost[0]));
frameplace = bakframeplace[setviewcnt];
calc_ylookup((setviewcnt == 0) ? bytesperline : bakxsiz[setviewcnt],

21
source/build/src/pragmas.cpp
View file

@ -71,6 +71,17 @@ void clearbuf(void *d, int32_t c, int32_t a)
}
#endif
#ifndef pragmas_have_copybuf
void copybuf(const void *s, void *d, int32_t c)
{
auto p = (const int32_t *) s;
auto q = (int32_t *) d;
while (c--)
*q++ = *p++;
}
#endif
#ifndef pragmas_have_swaps
void swapbuf4(void *a, void *b, int32_t c)
{
@ -102,6 +113,16 @@ void clearbufbyte(void *D, int32_t c, int32_t a)
}
#endif
#ifndef pragmas_have_copybufbyte
void copybufbyte(const void *s, void *d, int32_t c)
{
auto src = (const char *)s;
auto dst = (char *)d;
while (c--)
*dst++ = *src++;
}
#endif
// copybufreverse() is a special case: use the assembly version for GCC on x86

14
source/rr/src/net.cpp
View file

@ -1802,7 +1802,7 @@ void Net_GetInput(void)
if (g_player[myconnectindex].movefifoend&(g_movesPerPacket-1))
{
memcpy(&inputfifo[(g_player[myconnectindex].movefifoend-1)&(MOVEFIFOSIZ-1)][myconnectindex],
copybufbyte(&inputfifo[(g_player[myconnectindex].movefifoend-1)&(MOVEFIFOSIZ-1)][myconnectindex],
&inputfifo[g_player[myconnectindex].movefifoend&(MOVEFIFOSIZ-1)][myconnectindex],sizeof(input_t));
g_player[myconnectindex].movefifoend++;
return;
@ -2180,7 +2180,7 @@ void Net_ParsePacket(uint8_t *packbuf, int packbufleng)
continue;
}
memcpy(&osyn[i],&nsyn[i],sizeof(input_t));
copybufbyte(&osyn[i],&nsyn[i],sizeof(input_t));
if (l&1) nsyn[i].fvel = packbuf[j]+((short)packbuf[j+1]<<8), j += 2;
if (l&2) nsyn[i].svel = packbuf[j]+((short)packbuf[j+1]<<8), j += 2;
if (l&4)
@ -2219,7 +2219,7 @@ void Net_ParsePacket(uint8_t *packbuf, int packbufleng)
if (i != myconnectindex)
for (j=g_movesPerPacket-1;j>=1;j--)
{
memcpy(&nsyn[i],&inputfifo[g_player[i].movefifoend&(MOVEFIFOSIZ-1)][i],sizeof(input_t));
copybufbyte(&nsyn[i],&inputfifo[g_player[i].movefifoend&(MOVEFIFOSIZ-1)][i],sizeof(input_t));
g_player[i].movefifoend++;
}
@ -2233,7 +2233,7 @@ void Net_ParsePacket(uint8_t *packbuf, int packbufleng)
osyn = (input_t *)&inputfifo[(g_player[other].movefifoend-1)&(MOVEFIFOSIZ-1)][0];
nsyn = (input_t *)&inputfifo[(g_player[other].movefifoend)&(MOVEFIFOSIZ-1)][0];
memcpy(&osyn[other],&nsyn[other],sizeof(input_t));
copybufbyte(&osyn[other],&nsyn[other],sizeof(input_t));
if (k&1) nsyn[other].fvel = packbuf[j]+((short)packbuf[j+1]<<8), j += 2;
if (k&2) nsyn[other].svel = packbuf[j]+((short)packbuf[j+1]<<8), j += 2;
if (k&4)
@ -2272,7 +2272,7 @@ void Net_ParsePacket(uint8_t *packbuf, int packbufleng)
for (i=g_movesPerPacket-1;i>=1;i--)
{
memcpy(&nsyn[other],&inputfifo[g_player[other].movefifoend&(MOVEFIFOSIZ-1)][other],sizeof(input_t));
copybufbyte(&nsyn[other],&inputfifo[g_player[other].movefifoend&(MOVEFIFOSIZ-1)][other],sizeof(input_t));
g_player[other].movefifoend++;
}
@ -2296,7 +2296,7 @@ void Net_ParsePacket(uint8_t *packbuf, int packbufleng)
osyn = (input_t *)&inputfifo[(g_player[other].movefifoend-1)&(MOVEFIFOSIZ-1)][0];
nsyn = (input_t *)&inputfifo[(g_player[other].movefifoend)&(MOVEFIFOSIZ-1)][0];
memcpy(&osyn[other],&nsyn[other],sizeof(input_t));
copybufbyte(&osyn[other],&nsyn[other],sizeof(input_t));
k = packbuf[j] + (int)(packbuf[j+1]<<8);
j += 2;
@ -2332,7 +2332,7 @@ void Net_ParsePacket(uint8_t *packbuf, int packbufleng)
for (i=g_movesPerPacket-1;i>=1;i--)
{
memcpy(&nsyn[other],&inputfifo[g_player[other].movefifoend&(MOVEFIFOSIZ-1)][other],sizeof(input_t));
copybufbyte(&nsyn[other],&inputfifo[g_player[other].movefifoend&(MOVEFIFOSIZ-1)][other],sizeof(input_t));
g_player[other].movefifoend++;
}

2
source/sw/src/sector.cpp
View file

@ -3178,7 +3178,7 @@ void movelava(char *dapic)
offs2 = (LAVASIZ + 2) + 1 + ((intptr_t) lavabakpic);
for (x = 0; x < LAVASIZ; x++)
{
memcpy(offs, offs2, LAVASIZ);
copybuf(offs, offs2, LAVASIZ >> 2);
offs += LAVASIZ;
offs2 += LAVASIZ + 2;
}