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Curve tool was not threadsafe... it was storing premultiplied curves in

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a function (static vars) itself, causing mixups of curve data on usage.
This commit is contained in:
Ton Roosendaal
2006-02-02 14:37:25 +00:00
parent b38145ff51
commit ccbc32abed
2 changed files with 16 additions and 12 deletions
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26
source/blender/blenkernel/intern/colortools.c
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@@ -48,10 +48,13 @@
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BLI_threads.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
/* NOTE: uses threadsafe malloc/calloc/free, for use in compositor */
/* ********************************* color curve ********************* */
/* ***************** operations on full struct ************* */
@@ -292,7 +295,7 @@ static void curvemap_make_table(CurveMap *cuma, rctf *clipr)
cuma->maxtable= clipr->xmax;
/* hrmf... we now rely on blender ipo beziers, these are more advanced */
bezt= MEM_callocN(cuma->totpoint*sizeof(BezTriple), "beztarr");
bezt= MEM_callocT(cuma->totpoint*sizeof(BezTriple), "beztarr");
for(a=0; a<cuma->totpoint; a++) {
cuma->mintable= MIN2(cuma->mintable, cmp[a].x);
@@ -353,9 +356,9 @@ static void curvemap_make_table(CurveMap *cuma, rctf *clipr)
}
/* make the bezier curve */
if(cuma->table)
MEM_freeN(cuma->table);
MEM_freeT(cuma->table);
totpoint= (cuma->totpoint-1)*CM_RESOL;
fp= allpoints= MEM_mallocN(totpoint*2*sizeof(float), "table");
fp= allpoints= MEM_mallocT(totpoint*2*sizeof(float), "table");
for(a=0; a<cuma->totpoint-1; a++, fp += 2*CM_RESOL) {
correct_bezpart(bezt[a].vec[1], bezt[a].vec[2], bezt[a+1].vec[0], bezt[a+1].vec[1]);
@@ -363,14 +366,14 @@ static void curvemap_make_table(CurveMap *cuma, rctf *clipr)
forward_diff_bezier(bezt[a].vec[1][1], bezt[a].vec[2][1], bezt[a+1].vec[0][1], bezt[a+1].vec[1][1], fp+1, CM_RESOL-1, 2);
}
MEM_freeN(bezt);
MEM_freeT(bezt);
range= CM_TABLEDIV*(cuma->maxtable - cuma->mintable);
cuma->range= 1.0f/range;
/* now make a table with CM_TABLE equal x distances */
fp= allpoints;
cmp= MEM_callocN((CM_TABLE+1)*sizeof(CurveMapPoint), "dist table");
cmp= MEM_callocT((CM_TABLE+1)*sizeof(CurveMapPoint), "dist table");
cmp[0].x= cuma->mintable;
cmp[0].y= allpoints[1];
@@ -397,20 +400,20 @@ static void curvemap_make_table(CurveMap *cuma, rctf *clipr)
cmp[CM_TABLE].x= cuma->maxtable;
cmp[CM_TABLE].y= allpoints[2*totpoint-1];
MEM_freeN(allpoints);
MEM_freeT(allpoints);
cuma->table= cmp;
}
/* call when you do images etc, needs restore too. also verifies tables */
void curvemapping_premultiply(CurveMapping *cumap, int restore)
{
static CurveMapPoint *table[3]= {NULL, NULL, NULL};
int a;
if(restore) {
for(a=0; a<3; a++) {
MEM_freeN(cumap->cm[a].table);
cumap->cm[a].table= table[a];
MEM_freeT(cumap->cm[a].table);
cumap->cm[a].table= cumap->cm[a].premultable;
cumap->cm[a].premultable= NULL;
}
}
else {
@@ -418,8 +421,9 @@ void curvemapping_premultiply(CurveMapping *cumap, int restore)
for(a=0; a<3; a++) {
if(cumap->cm[a].table==NULL)
curvemap_make_table(cumap->cm+a, &cumap->clipr);
table[a]= cumap->cm[a].table;
cumap->cm[a].table= MEM_dupallocN(cumap->cm[a].table);
cumap->cm[a].premultable= cumap->cm[a].table;
cumap->cm[a].table= MEM_mallocT((CM_TABLE+1)*sizeof(CurveMapPoint), "premul table");
memcpy(cumap->cm[a].table, cumap->cm[a].premultable, (CM_TABLE+1)*sizeof(CurveMapPoint));
}
if(cumap->cm[3].table==NULL)

2
source/blender/makesdna/DNA_color_types.h
View File

@@ -55,7 +55,7 @@ typedef struct CurveMap {
float mintable, maxtable; /* the x-axis range for the table */
CurveMapPoint *curve; /* actual curve */
CurveMapPoint *table; /* display and evaluate table */
CurveMapPoint *premultable; /* for RGB curves, premulled table */
} CurveMap;
typedef struct CurveMapping {