[Bug 93138] More verbose errors for dmabuf creation.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93138

            Bug ID: 93138
           Summary: More verbose errors for dmabuf creation.
           Product: Mesa
           Version: git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: lubosz at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 120173
  --> https://bugs.freedesktop.org/attachment.cgi?id=120173&action=edit
More verbose errors for dmabuf creation.

Using EXT_image_dma_buf_import on i965 can be confusing if you don't look in
the code.
The driver always outputs EGL_BAD_MATCH for using multi planar formats. The
practice here is to use multiple EGL images per plane and do the color
conversion in GLSL.
The same error is given when the fourcc format is unsupported.
This patch gives the application programmer more information about what he is
doing wrong, by putting out this information with _mesa_warning().

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