[Bug 76832] [i965] piglit fbo-drawbuffers-none glClearBuffer fails

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Apr 15 23:57:37 PDT 2014


Kenneth Graunke <kenneth at whitecape.org> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Kenneth Graunke <kenneth at whitecape.org> ---
Fixed in master by:

commit a5957f7bc5e3618243f03cf9459394f9a83e5971
Author: Iago Toral Quiroga <itoral at igalia.com>
Date:   Mon Mar 31 14:17:08 2014 +0200

    i965: glClearBuffer() should only clear a single buffer.

    glClearBuffer() is currently clearing all active draw color buffers (all
    buffers that have not been set to GL_NONE when calling glDrawBuffers)
    of only clearing the one it receives as parameter. Altough brw_clear()
    receives a bit mask indicating the color buffers that should be cleared,
    this mask is ignored when calling brw_blorp_clear_color().

    This was breaking the 'fbo-drawbuffers-none glClearBuffer' piglit test.

    The patch provides the bit mask to brw_blorp_clear_color() so it can limit
    clearing to the color buffers present in the mask.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76832
    Reviewed-by: Eric Anholt <eric at anholt.net>

Thanks, Iago!

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