Re: [JAVA2D] How to detect hardware acceleration?
Hardware info for the older machine:
[code]
[I] OS Version = OS_WINXP Pro
[I] CheckAdaptersInfo
[I] --
[I] Adapter Ordinal : 0
[I] Adapter Handle : 0x10001
[I] Description : NVIDIA GeForce2 MX/MX 400 (Microsoft Corporation)
[I] GDI Name, Driver : \\.\DISPLAY1, nv4_disp.dll
[I] Vendor Id: 0x10de
[I] Device Id: 0x0110
[I] SubSys Id: 0x88171462
[I] Driver Version : 6.14.10.5673
[I] GUID : {D7B71E3E-4250-11CF-FB61-1DA813C2CB35}
[E] D3DPPLM::CheckDeviceCaps: adapter 0: Failed (pixel shaders 2.0 required)
[I] --
[E] D3DPPLM::CheckAdaptersInfo: no suitable adapters found
[E] InitD3D: failed to init adapters
[/code]
On the modern Vista machine the test app works also fine if I disable d3d
support (sun.java2d.d3d=false) even if this causes a higher CPU utilization.
[Message sent by forum member 'wzberger' (wzberger)]
http://forums.java.net/jive/thread.jspa?messageID=286677
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Re: [JAVA2D] Null pointer when using paintComponent and html text in JButton
[EMAIL PROTECTED] wrote:
I have found a solution or work around for my own question.
The exception is thrown in Rectangle.intersect(Rectangle r) that was called
with a null parameter as a result of BoxView.paint getting a null pointer back
from g.getClipBounds().
As a workaround I have changed my paintComponents method as follows:
///
public void paintComponent(Graphics g) {
super.paintComponent(g);
if (isEnabled()) {
return;
}
BufferedImage buf = new BufferedImage(getWidth(), getHeight(),
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = (Graphics2D) buf.getGraphics();
g2.setClip(g.getClip()); // Simply copy the clip
super.paintComponent(g2);
float[] my_kernel = { 0.10f, 0.10f, 0.10f, 0.10f, 0.20f, 0.10f,
0.10f,0.10f, 0.10f };
ConvolveOp op = new ConvolveOp(new Kernel(3, 3, my_kernel));
Image img = op.filter(buf, null);
g.drawImage(img, 0, 0, null);
g2.dispose();
}
One question remains, is this a bug in the Java2D or my programming error?
I'd say it may be a bug in javax.text code - they don't
expect a null clip.
Also, a suggestion on your code. I'm not sure if it's just for
illustration, but I would suggest not to create a new
image on each repaint as you do currently.
You should only create a new image if the size of the
component changed (or if you have some other attributes like
text that can change).
Thanks,
Dmitri
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Re: [JAVA2D] How to detect hardware acceleration?
That is indeed a rather old board. I think it may not
be the board that's slow but the bus between the
cpu and vram - since non-opaque window send a bunch
of data on every repaint from system memory to
vram, the bus speed is very important.
The only suggestion I have is to provide the user with
the ability to turn off the effects. So if it's
really slow (perhaps you can detect it yourself, too -
time the repaints), then turn them off.
Thanks,
Dmitri
[EMAIL PROTECTED] wrote:
Hardware info for the older machine:
[code]
[I] OS Version = OS_WINXP Pro
[I] CheckAdaptersInfo
[I] --
[I] Adapter Ordinal : 0
[I] Adapter Handle : 0x10001
[I] Description : NVIDIA GeForce2 MX/MX 400 (Microsoft Corporation)
[I] GDI Name, Driver : \\.\DISPLAY1, nv4_disp.dll
[I] Vendor Id: 0x10de
[I] Device Id: 0x0110
[I] SubSys Id: 0x88171462
[I] Driver Version : 6.14.10.5673
[I] GUID : {D7B71E3E-4250-11CF-FB61-1DA813C2CB35}
[E] D3DPPLM::CheckDeviceCaps: adapter 0: Failed (pixel shaders 2.0 required)
[I] --
[E] D3DPPLM::CheckAdaptersInfo: no suitable adapters found
[E] InitD3D: failed to init adapters
[/code]
On the modern Vista machine the test app works also fine if I disable d3d
support (sun.java2d.d3d=false) even if this causes a higher CPU utilization.
[Message sent by forum member 'wzberger' (wzberger)]
http://forums.java.net/jive/thread.jspa?messageID=286677
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To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
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[EMAIL PROTECTED] and include in the body of the message help.
===
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