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some more changes to scaling code

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FunkyFr3sh 2018-11-17 06:23:56 +01:00
parent 1ac3402cfa
commit ab5542fd9d
1 changed files with 66 additions and 52 deletions
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118
src/surface.c
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@ -319,71 +319,85 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
pattern_idx = 0; pattern_idx = 0;
scale_pattern *current = &pattern[pattern_idx]; scale_pattern *current = &pattern[pattern_idx];
do {
switch (current->type) if (This->bpp == 8)
{ {
case ONCE: unsigned char *d, *s, v;
{ unsigned char *src = (unsigned char *)Source->surface;
if (This->bpp == 8) unsigned char *dst = (unsigned char *)This->surface;
do {
switch (current->type)
{ {
((unsigned char *)This->surface)[dest_base + current->dst_index] = case ONCE:
((unsigned char *)Source->surface)[source_base + current->src_index]; dst[dest_base + current->dst_index] =
} src[source_base + current->src_index];
else if (This->bpp == 16) break;
{
((unsigned short *)This->surface)[dest_base + current->dst_index] = case REPEAT:
((unsigned short *)Source->surface)[source_base + current->src_index]; d = (dst + dest_base + current->dst_index);
} v = src[source_base + current->src_index];
break;
}
case REPEAT:
{
if (This->bpp == 8)
{
unsigned char *d = ((unsigned char *)This->surface + dest_base + current->dst_index);
unsigned char v = ((unsigned char *)Source->surface)[source_base + current->src_index];
count = current->count; count = current->count;
while (count-- > 0) while (count-- > 0)
*d++ = v; *d++ = v;
break;
case SEQUENCE:
d = dst + dest_base + current->dst_index;
s = src + source_base + current->src_index;
memcpy((void *)d, (void *)s, current->count * This->lXPitch);
break;
case END:
default:
break;
} }
else if (This->bpp == 16)
current = &pattern[++pattern_idx];
} while (current->type != END);
}
else if (This->bpp == 16)
{
unsigned short *d, *s, v;
unsigned short *src = (unsigned short *)Source->surface;
unsigned short *dst = (unsigned short *)This->surface;
do {
switch (current->type)
{ {
unsigned short *d = ((unsigned short *)This->surface + dest_base + current->dst_index); case ONCE:
unsigned short v = ((unsigned short *)Source->surface)[source_base + current->src_index]; dst[dest_base + current->dst_index] =
src[source_base + current->src_index];
break;
case REPEAT:
d = (dst + dest_base + current->dst_index);
v = src[source_base + current->src_index];
count = current->count; count = current->count;
while (count-- > 0) while (count-- > 0)
*d++ = v; *d++ = v;
break;
case SEQUENCE:
d = dst + dest_base + current->dst_index;
s = src + source_base + current->src_index;
memcpy((void *)d, (void *)s, current->count * This->lXPitch);
break;
case END:
default:
break;
} }
break; current = &pattern[++pattern_idx];
} } while (current->type != END);
case SEQUENCE: }
{
void *d, *s;
if (This->bpp == 8)
{
d = ((unsigned char *)This->surface) + dest_base + current->dst_index;
s = ((unsigned char *)Source->surface) + source_base + current->src_index;
}
else if (This->bpp == 16)
{
d = ((unsigned short *)This->surface) + dest_base + current->dst_index;
s = ((unsigned short *)Source->surface) + source_base + current->src_index;
}
memcpy(d, s, current->count * This->lXPitch);
break;
}
case END:
default:
break;
}
current = &pattern[++pattern_idx];
} while (current->type != END);
} }
free(pattern); free(pattern);
} }