[Wayland-bugs] [Bug 50490] New: [bug]A gap appeared between clickdot reaction area and screen edge under drm mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50490

             Bug #: 50490
           Summary: [bug]A gap appeared between clickdot reaction area and
                    screen edge under drm mode
    Classification: Unclassified
           Product: Wayland
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: weston
        AssignedTo: wayland-bugs at lists.freedesktop.org
        ReportedBy: shengyanx.zhao at intel.com


Created attachment 62253
  --> https://bugs.freedesktop.org/attachment.cgi?id=62253
focus on the white line, the gap hint the clickdot reaction area edge.

System Environment:
--------------------------
Arch:    i386
Libdrm:  (master)2.4.34-2-g481234f2909c0506962a2f42da862da6a9b13fd8
Wayland: (master)d422a733b4c20a65748c8d9e811f672a2d744218
Mesa:    (master)6404095fbab74a6194081374bd56786d07c5d561
Xserver: (master)
xorg-server-1.12.0-193-g594b4a4f0601066d09e49a84c5af8c2eb6f07240
Xf86_video_intel: (master) 2.19.0-110-g55e6f5f220401318529e81f7c96fe0af3b893a0c
Cairo:   (master)dbc0efad7e565558a3abf7f69d7675efddc4688d
Cairo_gl:(master) f3ae8302072dbcee38be4e0a9397e5aaa4084ecf
Xkbcommon:(master) 8ca8f05aab86423c2495cd917489becfecca4632
Weston:   (master) 92a57db6f2fb54d70e5da00aaabc6af752ee07a2
Kernel_unstable: (drm-intel-next-queued)
eeafaaca763408c099d2ade3a69e0716f296a97b

Bug detailed description:
-----------------------------
Run case clickdot, then fullscreen clickdot, click near the screen edge,
there's no reaction and the white line of mouse also can't be drew. 
The attachment image will give you the detail.

The issue can be reproduced only under drm. It's normal under X mode.


Reproduce steps:
----------------------------
1. Start weston
2. ./clickdot
3. fullscreen clickdot
4. click along with the screen edge.

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