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Hello, find the settings icon :Settings: in the upper right corner of Paint.net 4.0 and click it. Then turn off "Hardware accelerated rendering (GPU)" and see if that fixes things for you. :)

 

That fixed it, thanks. Sorry it's probably my weird laptop it has some weird hybrid GPU with Geforce card and Intel HD. Having trouble with all sorts of graphics software.

Edited by Zyl
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Please post your system specs here (Settings > Diagnostics) so the developer (Rick) can build a picture of which systems are problematic.

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I have the same issue. Also on a laptop with some kind of dual-GPU graphics (integrated Intel and discrete nVidia, both running at the same time, evidently). Turning off hardware acceleration seems to have resolved it. Here are my system specs, if it helps:

 

 

Application paint.net 4.0 (Final 4.0.5288.36565)

Build Date Tuesday, June 24, 2014
 
Hardware accelerated rendering (GPU) True
Animations True
Language en-US
 
OS Windows 8.1 (6.3.9600.0)
.NET Runtime 4.0.30319.34014
Physical Memory 12,199 MB
 
CPU Intel® Core i7-4700MQ CPU @ 2.40GHz
    Architecture x64 (64-bit)
    Process Mode 64-bit
    Speed ~2394 MHz
    Cores / Threads 8
    Features DEP, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, XSAVE
 
Video Card NVIDIA GeForce GT 740M                   
    Dedicated Video RAM 1,972 MB
    Dedicated System RAM 0 MB
    Shared System RAM 2,048 MB
    Vendor ID 0x10DE
    Device ID 0x1292
    Subsystem ID 0xFA471179
    Revision 161
    LUID 0x000111EA
    Flags None
    Outputs 2
 
Video Card NVIDIA GeForce GT 740M                   
    Dedicated Video RAM 1,972 MB
    Dedicated System RAM 0 MB
    Shared System RAM 2,048 MB
    Vendor ID 0x10DE
    Device ID 0x1292
    Subsystem ID 0xFA471179
    Revision 161
    LUID 0x000113EE
    Flags None
    Outputs 0
 
Video Card Microsoft Basic Render Driver
    Dedicated Video RAM 1,972 MB
    Dedicated System RAM 0 MB
    Shared System RAM 2,048 MB
    Vendor ID 0x1414
    Device ID 0x008C
    Subsystem ID 0x00000000
    Revision 0
    LUID 0x00011362
    Flags Software
    Outputs 0
 
Edit: I'm not sure why the Intel GPU isn't showing. It's definitely installed and operating. Here's the report from msinfo32.exe:
 

 

System Information report written at: 07/10/14 11:53:59

System Name: ~~~~~
[Display]
 
Item Value
Name NVIDIA GeForce GT 740M
PNP Device ID PCI\VEN_10DE&DEV_1292&SUBSYS_FA471179&REV_A1\4&2B851B0D&0&0008
Adapter Type GeForce GT 740M, NVIDIA compatible
Adapter Description NVIDIA GeForce GT 740M
Adapter RAM (2,147,483,648) bytes
Installed Drivers nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver Version 9.18.13.2765
INF File oem27.inf (Section135 section)
Color Planes Not Available
Color Table Entries Not Available
Resolution Not Available
Bits/Pixel Not Available
Memory Address 0xF6000000-0xF6FFFFFF
Memory Address 0xE0000000-0xEFFFFFFF
Memory Address 0xF0000000-0xF1FFFFFF
I/O Port 0x0000EF80-0x0000EFFF
IRQ Channel IRQ 4294967293
Driver c:\windows\system32\drivers\nvlddmkm.sys (9.18.13.2765, 10.79 MB (11,312,416 bytes), 12/23/2013 11:33 AM)
 
Name Intel® HD Graphics 4600
PNP Device ID PCI\VEN_8086&DEV_0416&SUBSYS_FA471179&REV_06\3&11583659&0&10
Adapter Type Intel® HD Graphics Family, Intel Corporation compatible
Adapter Description Intel® HD Graphics 4600
Adapter RAM (2,113,929,216) bytes
Installed Drivers igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
Driver Version 10.18.10.3345
INF File oem101.inf (iHSWM_w81_P0 section)
Color Planes Not Available
Color Table Entries 4294967296
Resolution 1366 x 768 x 59 hertz
Bits/Pixel 32
Memory Address 0xF7400000-0xF77FFFFF
Memory Address 0xD0000000-0xDFFFFFFF
I/O Port 0x0000F000-0x0000F03F
IRQ Channel IRQ 4294967292
Driver c:\windows\system32\drivers\igdkmd64.sys (10.18.10.3345, 4.00 MB (4,195,840 bytes), 11/4/2013 6:22 PM)
 

 

Edited by jaccuse
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The Intel GPU doesn't show up because the NVIDIA driver is doing some type of masquerading to hide/virtualize it from DirectX applications.

 

In 4.0.1 I have code which detects this and it will automatically disable hardware acceleration (unless you turn it on in Settings). From my research into this it appears that the NVIDIA Optimus drivers are just plain broken. It's sad :(

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 NVIDIA Optimus drivers are just plain broken. It's sad :(

 

Rick,

 

I'm ashamed to say that my drivers were about a month or two out of date. I updated to the latest drivers and I'm now unable to reproduce this issue in about ten minutes or so of messing around (usually used to happen fairly frequently with GPU acceleration.)

 

I'm confident at this point that this was an nVidia problem (per your comment.) Thanks for your support and for your fantastic program.

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Here is my diagnostics output also.

 

Application    paint.net 4.0 (Final 4.0.5288.36565)
Build Date    2014-06-24
    
Hardware accelerated rendering (GPU)    False
Animations    True
Language    en-US
    
OS    Windows 7 Service Pack 1 (6.1.7601.65536)
.NET Runtime    4.0.30319.18444
Physical Memory    3.893 MB
    
CPU    Intel® Core i5 CPU       M 480  @ 2.67GHz
    Architecture    x64 (64-bit)
    Process Mode    64-bit
    Speed    ~2660 MHz
    Cores / Threads    4
    Features    DEP, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2
    
Video Card    NVIDIA GeForce GT 540M     
    Dedicated Video RAM    978 MB
    Dedicated System RAM    0 MB
    Shared System RAM    1.690 MB
    Vendor ID    0x10DE
    Device ID    0x0DF4
    Subsystem ID    0x10ED17C0
    Revision    161
    LUID    0x0000C531
    Flags    None
    Outputs    1
    
Video Card    NVIDIA GeForce GT 540M     
    Dedicated Video RAM    978 MB
    Dedicated System RAM    0 MB
    Shared System RAM    1.690 MB
    Vendor ID    0x10DE
    Device ID    0x0DF4
    Subsystem ID    0x10ED17C0
    Revision    161
    LUID    0x0000CE8C
    Flags    None
    Outputs    0

 

I will try updating my drivers, but this and over problems have been persistent over multiple driver generations, so I don't expect anything.

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Zyl, please 1) install the 4.0.1 beta, 2) re-enable hardware acceleration, and 3) report back to tell me if it works! Thanks

 

http://forums.getpaint.net/index.php?/topic/29093-paintnet-401-beta-build-5305/

The Paint.NET Blog: https://blog.getpaint.net/

Donations are always appreciated! https://www.getpaint.net/donate.html

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First of all:

 

3IZSi3I.png

 

So those drivers did nothing, as expected.

 

@ jaccuse: It might have wiped your Optimus preferences to default to auto-select, not permitting GPU in the first place.

 

@ Rick: 4.0.1 works fine now with and without hardware acceleration. Good job.

 

 

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