diff --git a/layout/base/nsCSSRendering.cpp b/layout/base/nsCSSRendering.cpp
index a6b17bf1962e..cc0e5ed939d1 100644
--- a/layout/base/nsCSSRendering.cpp
+++ b/layout/base/nsCSSRendering.cpp
@@ -2354,6 +2354,8 @@ nsCSSRendering::PaintGradient(nsPresContext* aPresContext,
// stops have been normalized.
gfxPoint gradientStart = lineStart + (lineEnd - lineStart)*stopOrigin;
gfxPoint gradientEnd = lineStart + (lineEnd - lineStart)*stopEnd;
+ gfxPoint gradientStopStart = lineStart + (lineEnd - lineStart)*firstStop;
+ gfxPoint gradientStopEnd = lineStart + (lineEnd - lineStart)*lastStop;
if (stopDelta == 0.0) {
// Stops are all at the same place. For repeating gradients, this will
@@ -2363,6 +2365,7 @@ nsCSSRendering::PaintGradient(nsPresContext* aPresContext,
// our stops will be at 0.0; we just need to set the direction vector
// correctly.
gradientEnd = gradientStart + (lineEnd - lineStart);
+ gradientStopEnd = gradientStopStart + (lineEnd - lineStart);
}
gradientPattern = new gfxPattern(gradientStart.x, gradientStart.y,
@@ -2372,10 +2375,10 @@ nsCSSRendering::PaintGradient(nsPresContext* aPresContext,
// to the right edge of a tile, then we can repeat by just repeating the
// gradient.
if (!cellContainsFill &&
- ((gradientStart.y == gradientEnd.y && gradientStart.x == 0 &&
- gradientEnd.x == oneCellArea.width) ||
- (gradientStart.x == gradientEnd.x && gradientStart.y == 0 &&
- gradientEnd.y == oneCellArea.height))) {
+ ((gradientStopStart.y == gradientStopEnd.y && gradientStopStart.x == 0 &&
+ gradientStopEnd.x == oneCellArea.width) ||
+ (gradientStopStart.x == gradientStopEnd.x && gradientStopStart.y == 0 &&
+ gradientStopEnd.y == oneCellArea.height))) {
forceRepeatToCoverTiles = true;
}
} else {
diff --git a/layout/reftests/css-gradients/bug-916535-background-repeat-linear-ref.html b/layout/reftests/css-gradients/bug-916535-background-repeat-linear-ref.html
new file mode 100644
index 000000000000..c4c0a8b9cde8
--- /dev/null
+++ b/layout/reftests/css-gradients/bug-916535-background-repeat-linear-ref.html
@@ -0,0 +1,24 @@
+
+
+
+
+
+ Grid
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/layout/reftests/css-gradients/bug-916535-background-repeat-linear.html b/layout/reftests/css-gradients/bug-916535-background-repeat-linear.html
new file mode 100644
index 000000000000..995c9e04100a
--- /dev/null
+++ b/layout/reftests/css-gradients/bug-916535-background-repeat-linear.html
@@ -0,0 +1,25 @@
+
+
+
+
+
+ Grid
+
+
+
+
+
+
+
diff --git a/layout/reftests/css-gradients/reftest.list b/layout/reftests/css-gradients/reftest.list
index aed1a8a20aad..62c121395b1a 100644
--- a/layout/reftests/css-gradients/reftest.list
+++ b/layout/reftests/css-gradients/reftest.list
@@ -136,3 +136,4 @@ fuzzy-if(d2d,47,400) == linear-onestopposition-1.html linear-onestopposition-1-r
== repeating-radial-onestopposition-1a.html orange-square.html
== repeating-radial-onestopposition-1b.html orange-square.html
== repeating-radial-onestopposition-1c.html orange-square.html
+== bug-916535-background-repeat-linear.html bug-916535-background-repeat-linear-ref.html