René Pavlík wrote: > Hi, > > I have an SH7723 based board and I need to use HW acceleration to speedup the > drawing. The problem with the sh7722gfx.c is with the interrupt handlers. > Macros > like BEU_IRQ, VEU_IRQ, TDG_IRQ and JPU_IRQ are not defined so even the > compilation can not succeed. I could find the IRQ numbers for the units except > JPU - which seems not to be present on sh7723. The TDG/2DG IRQ number > conflicts > with another device here. AFAIK the memory map is a bit different on sh7723 > as well. > Probably, I will need to accelerate just the BLIT and FLIP functions. I will > generate frames independently and need just to show them as fast as possible. > I > guess init of BEU (Blit Engine Unit) is sufficient and will handle this job. > > My questions are: > Can be the HW BLITTING enabled with the BEU? Can it be accelerated at all? > Have someone experience with sh7723 acceleration? > > Hope the modification of the existing sh7722gfx.c kernel driver to support > sh7723 will not be so difficult. Any hints?
http://git.directfb.org/?p=core/DirectFB.git;a=commit;h=898e42cc05c2b306de1f11658a884b5bf79573af -- Best regards, Denis Oliver Kropp .------------------------------------------. | DirectFB - Hardware accelerated graphics | | http://www.directfb.org/ | "------------------------------------------" _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
