}
}
-int resamplerowsize = 0;
-qbyte *resamplerow1 = NULL;
-qbyte *resamplerow2 = NULL;
-mempool_t *resamplemempool = NULL;
-
#define LERPBYTE(i) r = resamplerow1[i];out[i] = (qbyte) ((((resamplerow2[i] - r) * lerp) >> 16) + r)
void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4;
qbyte *out;
const qbyte *inrow;
+ qbyte *resamplerow1;
+ qbyte *resamplerow2;
out = outdata;
fstep = (int) (inheight*65536.0f/outheight);
+ resamplerow1 = Mem_Alloc(tempmempool, outwidth*4*2);
+ resamplerow2 = resamplerow1 + outwidth*4;
+
inrow = indata;
oldy = 0;
Image_Resample32LerpLine (inrow, resamplerow1, inwidth, outwidth);
memcpy(out, resamplerow1, outwidth4);
}
}
+
+ Mem_Free(resamplerow1);
+ resamplerow1 = NULL;
+ resamplerow2 = NULL;
}
-void Image_Resample32Nearest(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
+void Image_Resample32Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
int i, j;
unsigned frac, fracstep;
int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth3 = inwidth * 3, outwidth3 = outwidth * 3;
qbyte *out;
const qbyte *inrow;
+ qbyte *resamplerow1;
+ qbyte *resamplerow2;
out = outdata;
fstep = (int) (inheight*65536.0f/outheight);
+ resamplerow1 = Mem_Alloc(tempmempool, outwidth*3*2);
+ resamplerow2 = resamplerow1 + outwidth*3;
+
inrow = indata;
oldy = 0;
Image_Resample24LerpLine (inrow, resamplerow1, inwidth, outwidth);
memcpy(out, resamplerow1, outwidth3);
}
}
+ Mem_Free(resamplerow1);
+ resamplerow1 = NULL;
+ resamplerow2 = NULL;
}
void Image_Resample24Nolerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight)
{
if (indepth != 1 || outdepth != 1)
Sys_Error("Image_Resample: 3D resampling not supported\n");
- if (resamplerowsize < outwidth*4)
- {
- if (resamplerow1)
- Mem_Free(resamplerow1);
- resamplerowsize = outwidth*4;
- if (!resamplemempool)
- resamplemempool = Mem_AllocPool("Image Scaling Buffer", 0, NULL);
- resamplerow1 = Mem_Alloc(resamplemempool, resamplerowsize*2);
- resamplerow2 = resamplerow1 + resamplerowsize;
- }
if (bytesperpixel == 4)
{
if (quality)
Image_Resample32Lerp(indata, inwidth, inheight, outdata, outwidth, outheight);
else
- Image_Resample32Nearest(indata, inwidth, inheight, outdata, outwidth, outheight);
+ Image_Resample32Nolerp(indata, inwidth, inheight, outdata, outwidth, outheight);
}
else if (bytesperpixel == 3)
{