[Bug 93704] Stencil blits from targets other than GL_TEXTURE_2D or GL_TEXTURE_2D_MULTISAMPLE are probably broken

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93704

            Bug ID: 93704
           Summary: Stencil blits from targets other than GL_TEXTURE_2D or
                    GL_TEXTURE_2D_MULTISAMPLE are probably broken
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: idr at freedesktop.org
        QA Contact: intel-3d-bugs at lists.freedesktop.org

The setup_program function in brw_meta_stencil_blit.c
(http://cgit.freedesktop.org/mesa/mesa/tree/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c#n282)
can only generate shader variations for GL_TEXTURE_2D and
GL_TEXTURE_2D_MULTISAMPLE.  However, if I add an assertion

   assert(target == GL_TEXTURE_2D || target == GL_TEXTURE_2D_MULTISAMPLE);

at the single caller of the function, the
arb_stencil_texturing-blit_corrupts_state test
(http://patchwork.freedesktop.org/patch/70427/) fails the assertion for every
other target.  That indicates to me that blits from those other targets
probably don't work.

We need a test like arb_stencil_texturing-blit_corrupts_state that verifies the
result of blitting from every possible texture target.  It shouldn't be too
hard to adapt the existing arb_stencil_texturing-draw test.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20160114/c4dfcbd9/attachment.html>