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Merged in mjkoch/apps/fb (pull request #172)

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Add some awareness of overlays to apps/examples/fb

Approved-by: Gregory Nutt <gnutt@nuttx.org>
This commit is contained in:
Matthew Koch 2019-03-25 17:09:25 +00:00 committed by Gregory Nutt
parent 13eeff0ec3
commit fab0ac6e82
1 changed files with 47 additions and 0 deletions
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47
examples/fb/fb_main.c
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@ -67,6 +67,9 @@ struct fb_state_s
int fd; int fd;
struct fb_videoinfo_s vinfo; struct fb_videoinfo_s vinfo;
struct fb_planeinfo_s pinfo; struct fb_planeinfo_s pinfo;
#ifdef CONFIG_FB_OVERLAY
struct fb_overlayinfo_s oinfo;
#endif
FAR void *fbmem; FAR void *fbmem;
}; };
@ -347,6 +350,50 @@ int fb_main(int argc, char *argv[])
printf(" yres: %u\n", state.vinfo.yres); printf(" yres: %u\n", state.vinfo.yres);
printf(" nplanes: %u\n", state.vinfo.nplanes); printf(" nplanes: %u\n", state.vinfo.nplanes);
#ifdef CONFIG_FB_OVERLAY
printf("noverlays: %u\n", state.vinfo.noverlays);
/* Select the first overlay, which should be the composed framebuffer */
ret = ioctl(state.fd, FBIO_SELECT_OVERLAY, 0);
if (ret < 0)
{
int errcode = errno;
fprintf(stderr, "ERROR: ioctl(FBIO_SELECT_OVERLAY) failed: %d\n",
errcode);
close(state.fd);
return EXIT_FAILURE;
}
ret = ioctl(state.fd, FBIOGET_OVERLAYINFO,
(unsigned long)((uintptr_t)&state.oinfo));
if (ret < 0)
{
int errcode = errno;
fprintf(stderr, "ERROR: ioctl(FBIOGET_OVERLAYINFO) failed: %d\n",
errcode);
close(state.fd);
return EXIT_FAILURE;
}
printf("OverlayInfo (overlay 0):\n");
printf(" fbmem: %p\n", state.oinfo.fbmem);
printf(" fblen: %lu\n", (unsigned long)state.oinfo.fblen);
printf(" stride: %u\n", state.oinfo.stride);
printf(" overlay: %u\n", state.oinfo.overlay);
printf(" bpp: %u\n", state.oinfo.bpp);
printf(" blank: %u\n", state.oinfo.blank);
printf("chromakey: 0x%08x\n", state.oinfo.chromakey);
printf(" color: 0x%08x\n", state.oinfo.color);
printf(" transp: 0x%02x\n", state.oinfo.transp.transp);
printf(" mode: %u\n", state.oinfo.transp.transp_mode);
printf(" area: (%u,%u) => (%u,%u)\n",
state.oinfo.sarea.x, state.oinfo.sarea.y,
state.oinfo.sarea.w, state.oinfo.sarea.h);
printf(" accl: %u\n", state.oinfo.accl);
#endif
ret = ioctl(state.fd, FBIOGET_PLANEINFO, ret = ioctl(state.fd, FBIOGET_PLANEINFO,
(unsigned long)((uintptr_t)&state.pinfo)); (unsigned long)((uintptr_t)&state.pinfo));
if (ret < 0) if (ret < 0)