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don't resample a texture when the output size is 0xN or Nx0

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Bill Currie 2000-12-24 04:43:22 +00:00
parent 6e345718c4
commit de79e1433d
1 changed files with 2 additions and 0 deletions
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2
source/gl_draw.c
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@ -1036,6 +1036,8 @@ GL_ResampleTexture (unsigned int *in, int inwidth, int inheight,
unsigned int *inrow; unsigned int *inrow;
unsigned int frac, fracstep; unsigned int frac, fracstep;
if (!outwidth || !outheight)
return;
fracstep = inwidth * 0x10000 / outwidth; fracstep = inwidth * 0x10000 / outwidth;
for (i = 0; i < outheight; i++, out += outwidth) { for (i = 0; i < outheight; i++, out += outwidth) {
inrow = in + inwidth * (i * inheight / outheight); inrow = in + inwidth * (i * inheight / outheight);