Hi All,
It was found that setting the option pixelformat=RGB555 for the newer version will give a clear image, though such an option was not needed on the legacy DFB. Hope to get some explanation on the difference in behavior.. Thanks, Prageeth From: [email protected] [mailto:[email protected]] On Behalf Of Prageeth Sent: Monday, March 01, 2010 6:58 PM To: [email protected] Subject: [directfb-users] Same PNG using DFB0.9.24 and DFB1.2.8 Hi All, We are in the process of upgrading a legacy DirectFB-0.9.24 system to DirectFB-1.2.8, the later being built using buildroot-2009.05. However, the PNG test image looks better on the legacy DFB than on the newer version! On using IDirectFBSurface::Dump(), the destination surface for RenderTo(), and the final window surface to which Blit() is done, are both found to be same using legacy and new DFB. However, the primary layer's surface seems to differ as in attached ppm files. Moreover, the legacy version dumps a pgm file also. The DFB configuration of both systems were found to be same as attached. There is no hardware acceleration involved. Frame buffer settings given by fbset were also found to be same. However, the older 2.6.14.2 kernel had to be retained so that various device drivers could be reused. Hope using an older kernel need not be an issue. Any suggestions or debugging tips would be of great help. Thanks, Prageeth
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