You can write more about method with G2D_CMD_BITBLT?

Dharmesh Patel <dharmesh4u@...> writes:

> 
> 
> Hello,
> I have achieved this through sun7i g2d driver. There is ioctl 
G2D_CMD_BITBLT in driver. Got very good performance. Totally hardware 
conversion.
> Thanks you very much for your support. On Friday, 7 August 2015 
20:41:07 UTC+5:30, Gregor Riepl  wrote:> In sun7i video driver, they 
supports only DISP_MOD_NON_MB_PLANAR mode for YUV
> > framebuffer in output so it means that driver doesn't support UV 
semi planner
> > mode.
> > Thanks for sharing your knowledge. 
> I skimmed the source code at
> https://github.com/linux-sunxi/linux-sunxi/blob/sunxi-
3.4/drivers/video/sunxi/disp/disp_scaler.c
> - it looks like interleaved and semiplanar YUV output framebuffers are
> fail-fast (line 894), but I may be wrong. Checking further below (line 
1019)
> suggests they are supported by sun5i and later.
> Have you tried DISP_MOD_NON_MB_PLANAR, then interleaving the UV planes
> manually? Perhaps that will give you better performance than a pure 
software
> solution.
> 
> 
> 
> 
> 
> 
> 


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