[cairo] [PATCH pixman 06/11] pixman-filter: Only need to split integral at 0 for LINEAR

[Bill Spitzak]

---
 pixman/pixman-filter.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pixman/pixman-filter.c b/pixman/pixman-filter.c
index 035a784..4561af2 100644
--- a/pixman/pixman-filter.c
+++ b/pixman/pixman-filter.c
@@ -180,13 +180,13 @@ integral (pixman_kernel_t reconstruct, double x1,
      * as LINEAR that are not differentiable at 0 will still
      * integrate properly.
      */
-    if (x1 < 0 && x1 + width > 0)
+    else if (reconstruct == PIXMAN_KERNEL_LINEAR && x1 < 0 && x1 + width > 0)
     {
 	return
 	    integral (reconstruct, x1, sample, scale, x2, - x1) +
 	    integral (reconstruct, 0, sample, scale, x2 - x1, width + x1);
     }
-    else if (x2 < 0 && x2 + width > 0)
+    else if (sample == PIXMAN_KERNEL_LINEAR && x2 < 0 && x2 + width > 0)
     {
 	return
 	    integral (reconstruct, x1, sample, scale, x2, - x2) +
-- 
1.7.9.5