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[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

** Tags added: mir-mesa

** Tags removed: mir-mesa
** Tags added: egl-platform-mir

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https://bugs.launchpad.net/bugs/1473901

Title:
  egl-platform-mir.patch: Incorrect (backwards) pixel formats are
  accepted

Status in mesa package in Ubuntu:
  New

Bug description:
  egl-platform-mir.patch: Incorrect (backwards) pixel formats are
  accepted.

  I noticed this recently. GBM reports some pixel formats as supported
  but if you use them the colours come out backwards. Turns out it's
  just our patch reporting incorrect format support ...

  --- a/src/gbm/backends/dri/gbm_dri.c
  +++ b/src/gbm/backends/dri/gbm_dri.c

  @@ -528,9 +528,11 @@ gbm_dri_is_format_supported(struct gbm_d
      switch (format) {
      case GBM_BO_FORMAT_XRGB8888:
      case GBM_FORMAT_XRGB8888:
  +   case GBM_FORMAT_XBGR8888:            <-------- Wrong. Delete this.
         break;
      case GBM_BO_FORMAT_ARGB8888:
      case GBM_FORMAT_ARGB8888:
  +   case GBM_FORMAT_ABGR8888:            <--------- Wrong. Delete this
         if (usage & GBM_BO_USE_SCANOUT)
            return 0;
         break;

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