Anyone has some comments on the issue? thanks! On 8月24日, 下午2时57分, Simon Chan <[email protected]> wrote: > I have encountered a format coversion issue when manage to add copybit > module for some hw 2D core. > > There are a lot of blit operations from COPYBIT_FORMAT_RGBA_8888 to > COPYBIT_FORMAT_RGB_565 when do menu rendering. > > It looks the layout of android COPYBIT_FORMAT_RGBA_8888 format is as > figure 1. > > 31 ... 0 > --------------------- > | A | B | G | R | (1) > --------------------- > > but unfortunately, for 8:8:8:8, the 2d hw in question only supports > layout as figure 2. > > 31 ... 0 > --------------------- > | A | R | G | B | (2) > --------------------- > > So my question is there any thing I can do to work aound it, and will > not hurt performance significantly? eg. I can force ARGB src image > data. > > Suggestion is welcome and much appreciated. Thanks a lot. > > ps. the attachment contains hw and sw rendering images of the menu. > > BR. > Simon > > menu-hw.png > 136K查看下载 > > menu-sw.png > 156K查看下载
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