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otto888

GPU Rendering flickers

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I just installed the 4.0 beta, and its working great except for GPU rendering. It'll flicker any time I move the cursor across the canvas. Here is a video showing the issue. The diag info shows two 660Ms, but I only have one 660M and an Intel HD4000

Diagnostic info:

Application	paint.net 4.0 (β 4.0.5168.12074)
Build Date	Monday, February 24, 2014
Expiration Date	Monday, May 19, 2014
	
Hardware accelerated rendering (GPU)	False
Animations	True
Language	en-US
	
OS	Windows 8.1 (6.3.9600.0)
.NET Runtime	4.0.30319.34014
Physical Memory	8,091 MB
	
CPU	Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz
    Architecture	x64 (64-bit)
    Process Mode	64-bit
    Speed	~2295 MHz
    Cores / Threads	8
    Features	DEP, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, XSAVE
	
Video Card	NVIDIA GeForce GTX 660M
    Dedicated Video RAM	1,985 MB
    Dedicated System RAM	0 MB
    Shared System RAM	2,048 MB
    Vendor ID	0x10DE
    Device ID	0x0FD4
    Subsystem ID	0x397717AA
    Revision	161
    LUID	0x000A997C
    Flags	None
	
Video Card	NVIDIA GeForce GTX 660M
    Dedicated Video RAM	1,985 MB
    Dedicated System RAM	0 MB
    Shared System RAM	2,048 MB
    Vendor ID	0x10DE
    Device ID	0x0FD4
    Subsystem ID	0x397717AA
    Revision	161
    LUID	0x000CD3C6
    Flags	None
	
Video Card	Microsoft Basic Render Driver
    Dedicated Video RAM	1,985 MB
    Dedicated System RAM	0 MB
    Shared System RAM	2,048 MB
    Vendor ID	0x1414
    Device ID	0x008C
    Subsystem ID	0x00000000
    Revision	0
    LUID	0x000CD301
    Flags	Software

EDIT: Setting PDN to use the integrated Intel HD4000 makes the flickering stop. It would be nice if I could use the 660M though, as GPU editing is a bit slow with the HD4000.

Edited by otto888

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Have you tried updating your drivers?

My drivers are up to date. The only other application that shows two 660Ms AFAIK is the Dolphin emulator, but it can use the 660M just fine. 

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