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Fix regression introducted by added parameter check in SDL_EnclosePoints. Add special case to speedup when no result was requested.

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This commit is contained in:
Andreas Schiffler
2011-09-12 09:00:01 -07:00
parent 079d39970c
commit d8556266a2
1 changed files with 12 additions and 1 deletions
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13
src/video/SDL_rect.c
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@@ -141,7 +141,7 @@ SDL_EnclosePoints(const SDL_Point * points, int count, const SDL_Rect * clip,
int maxy = 0;
int x, y, i;
if (!points || !clip) {
if (!points) {
// TODO error message
return SDL_FALSE;
}
@@ -167,6 +167,12 @@ SDL_EnclosePoints(const SDL_Point * points, int count, const SDL_Rect * clip,
continue;
}
if (!added) {
/* Special case: if no result was requested, we are done */
if (result == NULL) {
return SDL_TRUE;
}
/* First point added */
minx = maxx = x;
miny = maxy = y;
added = SDL_TRUE;
@@ -187,6 +193,11 @@ SDL_EnclosePoints(const SDL_Point * points, int count, const SDL_Rect * clip,
return SDL_FALSE;
}
} else {
/* Special case: if no result was requested, we are done */
if (result == NULL) {
return SDL_TRUE;
}
/* No clipping, always add the first point */
minx = maxx = points[0].x;
miny = maxy = points[0].y;