Revision: 32753
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=32753
Author: campbellbarton
Date: 2010-10-28 14:29:59 +0200 (Thu, 28 Oct 2010)
Log Message:
-----------
bugfix/patch [#24431] Fast Gaussian produces wrong results for higher
resolutions
report & fix from Martin Lubich (loramel)
Use double rather then floats, this doesn't use significantly more memory (as
allocating a double buffer would), other vars in this function were doubles
already so may even gain some speed.
Modified Paths:
--------------
trunk/blender/source/blender/nodes/intern/CMP_util.c
Modified: trunk/blender/source/blender/nodes/intern/CMP_util.c
===================================================================
--- trunk/blender/source/blender/nodes/intern/CMP_util.c 2010-10-28
12:01:02 UTC (rev 32752)
+++ trunk/blender/source/blender/nodes/intern/CMP_util.c 2010-10-28
12:29:59 UTC (rev 32753)
@@ -1303,7 +1303,7 @@
void IIR_gauss(CompBuf* src, float sigma, int chan, int xy)
{
double q, q2, sc, cf[4], tsM[9], tsu[3], tsv[3];
- float *X, *Y, *W;
+ double *X, *Y, *W;
int i, x, y, sz;
// <0.5 not valid, though can have a possibly useful sort of sharpening
effect
@@ -1367,9 +1367,9 @@
// intermediate buffers
sz = MAX2(src->x, src->y);
- X = MEM_callocN(sz*sizeof(float), "IIR_gauss X buf");
- Y = MEM_callocN(sz*sizeof(float), "IIR_gauss Y buf");
- W = MEM_callocN(sz*sizeof(float), "IIR_gauss W buf");
+ X = MEM_callocN(sz*sizeof(double), "IIR_gauss X buf");
+ Y = MEM_callocN(sz*sizeof(double), "IIR_gauss Y buf");
+ W = MEM_callocN(sz*sizeof(double), "IIR_gauss W buf");
if (xy & 1) { // H
for (y=0; y<src->y; ++y) {
const int yx = y*src->x;
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