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6663447: D3D: excessive surface data replacements

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Reviewed-by: prr, art
This commit is contained in:
Andrew Brygin 2010-10-22 16:57:41 +04:00
parent 67a5640f22
commit 454c892638
1 changed files with 17 additions and 2 deletions
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19
jdk/src/windows/classes/sun/awt/windows/WWindowPeer.java
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@ -605,6 +605,7 @@ public class WWindowPeer extends WPanelPeer implements WindowPeer,
} }
private native void setOpacity(int iOpacity); private native void setOpacity(int iOpacity);
private float opacity = 1.0f;
public void setOpacity(float opacity) { public void setOpacity(float opacity) {
if (!((SunToolkit)((Window)target).getToolkit()). if (!((SunToolkit)((Window)target).getToolkit()).
@ -613,7 +614,21 @@ public class WWindowPeer extends WPanelPeer implements WindowPeer,
return; return;
} }
replaceSurfaceDataRecursively((Component)getTarget()); if (opacity < 0.0f || opacity > 1.0f) {
throw new IllegalArgumentException(
"The value of opacity should be in the range [0.0f .. 1.0f].");
}
if (((this.opacity == 1.0f && opacity < 1.0f) ||
(this.opacity < 1.0f && opacity == 1.0f)) &&
!Win32GraphicsEnvironment.isVistaOS())
{
// non-Vista OS: only replace the surface data if opacity status
// changed (see WComponentPeer.isAccelCapable() for more)
replaceSurfaceDataRecursively((Component)getTarget());
}
this.opacity = opacity;
final int maxOpacity = 0xff; final int maxOpacity = 0xff;
int iOpacity = (int)(opacity * maxOpacity); int iOpacity = (int)(opacity * maxOpacity);
@ -655,7 +670,7 @@ public class WWindowPeer extends WPanelPeer implements WindowPeer,
boolean isVistaOS = Win32GraphicsEnvironment.isVistaOS(); boolean isVistaOS = Win32GraphicsEnvironment.isVistaOS();
if (!isVistaOS) { if (this.isOpaque != isOpaque && !isVistaOS) {
// non-Vista OS: only replace the surface data if the opacity // non-Vista OS: only replace the surface data if the opacity
// status changed (see WComponentPeer.isAccelCapable() for more) // status changed (see WComponentPeer.isAccelCapable() for more)
replaceSurfaceDataRecursively(target); replaceSurfaceDataRecursively(target);