Hi Elvise,
Thanks for ur valuable input , I have applied your patch to the
cupcake and tried but still the flicker problem
continues for me.
Thanks & Regards
Manju
On Mon, Apr 27, 2009 at 7:01 PM, Elvis Dowson <[email protected]>wrote:
> Hi,
>
> Modify EGLDisplaySuface::swapBuffers to use FBIOPAN_DISPLAY.
>
>
>
> diff --git a/libs/ui/EGLDisplaySurface.cpp b/libs/ui/EGLDisplaySurface.cpp
>
> index d06c98b..e6f4a6e 100644
>
> --- a/libs/ui/EGLDisplaySurface.cpp
>
> +++ b/libs/ui/EGLDisplaySurface.cpp
>
> @@ -175,8 +175,8 @@ uint32_t EGLDisplaySurface::swapBuffers()
>
> mIndex = 1 - mIndex;
>
> mInfo.activate = FB_ACTIVATE_VBL;
>
> mInfo.yoffset = mIndex ? mInfo.yres : 0;
>
> - if (ioctl(egl_native_window_t::fd, FBIOPUT_VSCREENINFO, &mInfo) == -1)
> {
>
> - LOGE("FBIOPUT_VSCREENINFO failed");
>
> + if (ioctl(egl_native_window_t::fd, FBIOPAN_DISPLAY, &mInfo) == -1) {
>
> + LOGE("FBIOPAN_DISPLAY failed");
>
> return 0;
>
> }
>
>
>
> @@ -395,10 +395,10 @@ status_t EGLDisplaySurface::mapFrameBuffer()
>
> info.activate = FB_ACTIVATE_NOW;
>
>
>
> uint32_t flags = PAGE_FLIP;
>
> - if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1) {
>
> + if (ioctl(fd, FBIOPAN_DISPLAY, &info) == -1) {
>
> info.yres_virtual = info.yres;
>
> flags &= ~PAGE_FLIP;
>
> - LOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported");
>
> + LOGW("FBIOPAN_DISPLAY failed, page flipping not supported");
>
> }
>
>
>
> if (info.yres_virtual < info.yres * 2) {
>
>
> Best regards,
>
>
> Elvis
>
> On Mon, Apr 27, 2009 at 3:35 PM, manju <[email protected]> wrote:
>
>>
>> Hi, i am porting cupcake to a board with 320X480 lcd. Board boots and
>> when i click icons, the launching of new application flickers and
>> comes.
>> I have increased the DMA size to 8MB, and trying with both TI's and
>> TOMI's display framework., any suggestions are appriciated.
>>
>>
>
> >
>
--
Regards
Manjunatha H
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