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src/java.desktop/macosx/classes/sun/java2d/opengl/CGLVolatileSurfaceManager.java
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@@ -43,38 +43,33 @@
import sun.java2d.pipe.hw.ExtendedBufferCapabilities;
import static sun.java2d.pipe.hw.ExtendedBufferCapabilities.VSyncType.*;
public class CGLVolatileSurfaceManager extends VolatileSurfaceManager {
- private boolean accelerationEnabled;
+ private final boolean accelerationEnabled;
public CGLVolatileSurfaceManager(SunVolatileImage vImg, Object context) {
super(vImg, context);
/*
* We will attempt to accelerate this image only under the
* following conditions:
- * - the image is opaque OR
- * - the image is translucent AND
- * - the GraphicsConfig supports the FBO extension OR
- * - the GraphicsConfig has a stored alpha channel
+ * - the image is not bitmask AND the GraphicsConfig supports the FBO
+ * extension
*/
int transparency = vImg.getTransparency();
- CGLGraphicsConfig gc = (CGLGraphicsConfig)vImg.getGraphicsConfig();
- accelerationEnabled =
- (transparency == Transparency.OPAQUE) ||
- ((transparency == Transparency.TRANSLUCENT) &&
- (gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
- gc.isCapPresent(CAPS_STORED_ALPHA)));
+ CGLGraphicsConfig gc = (CGLGraphicsConfig) vImg.getGraphicsConfig();
+ accelerationEnabled = gc.isCapPresent(CAPS_EXT_FBOBJECT)
+ && transparency != Transparency.BITMASK;
}
protected boolean isAccelerationEnabled() {
return accelerationEnabled;
}
/**
- * Create a pbuffer-based SurfaceData object (or init the backbuffer
+ * Create a FBO-based SurfaceData object (or init the backbuffer
* of an existing window if this is a double buffered GraphicsConfig)
*/
protected SurfaceData initAcceleratedSurface() {
SurfaceData sData = null;
Component comp = vImg.getComponent();
@@ -111,14 +106,13 @@
CGLGraphicsConfig gc =
(CGLGraphicsConfig)vImg.getGraphicsConfig();
ColorModel cm = gc.getColorModel(vImg.getTransparency());
int type = vImg.getForcedAccelSurfaceType();
// if acceleration type is forced (type != UNDEFINED) then
- // use the forced type, otherwise choose one based on caps
+ // use the forced type, otherwise choose FBOBJECT
if (type == OGLSurfaceData.UNDEFINED) {
- type = gc.isCapPresent(CAPS_EXT_FBOBJECT) ?
- OGLSurfaceData.FBOBJECT : OGLSurfaceData.PBUFFER;
+ type = OGLSurfaceData.FBOBJECT;
}
if (createVSynced) {
// TODO: modify parameter to delegate
// sData = CGLSurfaceData.createData(peer, vImg, type);
} else {
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