[Mesa-dev] [Bug 29052] New: [egl] eglGetConfigs should return num of available configs when parameter configs = NULL

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29052

           Summary: [egl] eglGetConfigs should return num of available
                    configs when parameter configs = NULL
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: shuang.he at intel.com


Created an attachment (id=37007)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37007)
piglit case

System Environment:
--------------------------
Libdrm:        (master)2.4.21-13-gb803918f3f77c62edf22e78cb2095be399753423
Mesa:       
(master)mesa_7_6_1_rc1-9251-gc4066b78c0aad41c199eb27157538c2ec9ab5bfd
Xserver:       
(master)xorg-server-1.8.99.904-26-g3209b094a3b1466b579e8020e12a4f3fa78a5f3f
Xf86_video_intel:       
(master)2.12.0-28-g2267e5928bd90a6997970584462bd97df447e819
Kernel:       (for-linus)6f772d7e2f4105470b9f3d0f0b26f06f61b1278d

Bug detailed description:
-------------------------
The attached piglit test case could be used to reproduce this issue.

According to egl 1.4 spec, "if eglGetConfigs is called with configs = NULL,
then no configurations are returned, but the total number of configurations
available will be returned in num_config"

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