From: Dave Airlie <airl...@redhat.com> I've no idea when this broke, but we have some people who wanted it fixed, so here's my attempt.
reproducer, run readpix with swrast hit f, or run trival tri -sb things are upside down, after this patch they aren't. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66213 Signed-off-by: Dave Airlie <airl...@redhat.com> --- src/mesa/drivers/dri/swrast/swrast.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c index bfa2efd..06b4812 100644 --- a/src/mesa/drivers/dri/swrast/swrast.c +++ b/src/mesa/drivers/dri/swrast/swrast.c @@ -406,8 +406,8 @@ swrast_map_renderbuffer(struct gl_context *ctx, (char *) xrb->Base.Buffer, dPriv->loaderPrivate); - *out_map = xrb->Base.Buffer; - *out_stride = stride; + *out_map = xrb->Base.Buffer + (h - 1) * stride; + *out_stride = -stride; return; } -- 1.8.4.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
