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8147542: ClassCastException when repainting after display resolution change

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Reviewed-by: prr, flar
This commit is contained in:
Alexey Ushakov 2016-07-25 10:36:12 -07:00 committed by Phil Race
parent af0977717b
commit 164537ebd4
1 changed files with 10 additions and 1 deletions
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11
jdk/src/java.desktop/unix/classes/sun/java2d/xr/XRPMBlitLoops.java
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@ -127,7 +127,11 @@ public class XRPMBlitLoops {
vImgSurfaceType = SurfaceType.IntArgbPre;
}
if (vImg == null || vImg.getWidth() < w || vImg.getHeight() < h) {
if (vImg == null || vImg.getWidth() < w || vImg.getHeight() < h ||
// Sometimes we get volatile image of wrong dest surface type,
// so recreating it
!(vImg.getDestSurface() instanceof XRSurfaceData))
{
if (vImg != null) {
vImg.flush();
}
@ -142,6 +146,11 @@ public class XRPMBlitLoops {
}
Blit swToSurfaceBlit = Blit.getFromCache(src.getSurfaceType(), CompositeType.SrcNoEa, vImgSurfaceType);
if (!(vImg.getDestSurface() instanceof XRSurfaceData)) {
throw new InvalidPipeException("wrong surface data type: " + vImg.getDestSurface());
}
XRSurfaceData vImgSurface = (XRSurfaceData) vImg.getDestSurface();
swToSurfaceBlit.Blit(src, vImgSurface, AlphaComposite.Src, null,
sx, sy, 0, 0, w, h);