<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, May 8, 2018 at 3:54 PM, Nanley Chery <span dir="ltr"><<a href="mailto:nanleychery@gmail.com" target="_blank">nanleychery@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">On Tue, May 08, 2018 at 03:33:22PM -0700, Jason Ekstrand wrote:<br>
> On Thu, May 3, 2018 at 12:03 PM, Nanley Chery <<a href="mailto:nanleychery@gmail.com">nanleychery@gmail.com</a>> wrote:<br>
> <br>
> > Before this patch, if we failed to initialize an MCS buffer, we'd<br>
> > end up in a state in which the miptree thinks it has an MCS buffer,<br>
> > but doesn't. We also leaked the clear_color_bo if it existed.<br>
> ><br>
> > With this patch, we now free the miptree aux buffer resources and let<br>
> > intel_miptree_alloc_mcs() know that the MCS buffer no longer exists.<br>
> ><br>
> > Cc: <<a href="mailto:mesa-stable@lists.freedesktop.org">mesa-stable@lists.<wbr>freedesktop.org</a>><br>
> > ---<br>
> > src/mesa/drivers/dri/i965/<wbr>intel_mipmap_tree.c | 14 +++++++-------<br>
> > 1 file changed, 7 insertions(+), 7 deletions(-)<br>
> ><br>
> > diff --git a/src/mesa/drivers/dri/i965/<wbr>intel_mipmap_tree.c<br>
> > b/src/mesa/drivers/dri/i965/<wbr>intel_mipmap_tree.c<br>
> > index b9a564552df..377efae32c9 100644<br>
> > --- a/src/mesa/drivers/dri/i965/<wbr>intel_mipmap_tree.c<br>
> > +++ b/src/mesa/drivers/dri/i965/<wbr>intel_mipmap_tree.c<br>
> > @@ -1658,7 +1658,7 @@ intel_miptree_copy_teximage(<wbr>struct brw_context *brw,<br>
> > intel_obj->needs_validate = true;<br>
> > }<br>
> ><br>
> > -static void<br>
> > +static bool<br>
> > intel_miptree_init_mcs(struct brw_context *brw,<br>
> > struct intel_mipmap_tree *mt,<br>
> > int init_value)<br>
> > @@ -1678,13 +1678,14 @@ intel_miptree_init_mcs(struct brw_context *brw,<br>
> > void *map = brw_bo_map(brw, mt->aux_buf->bo, MAP_WRITE | MAP_RAW);<br>
> > if (unlikely(map == NULL)) {<br>
> > fprintf(stderr, "Failed to map mcs buffer into GTT\n");<br>
> > - brw_bo_unreference(mt->aux_<wbr>buf->bo);<br>
> > - free(mt->aux_buf);<br>
> > - return;<br>
> > + intel_miptree_aux_buffer_free(<wbr>mt->aux_buf);<br>
> > + mt->aux_buf = NULL;<br>
> > + return false;<br>
> > }<br>
> > void *data = map;<br>
> > memset(data, init_value, mt->aux_buf->size);<br>
> > brw_bo_unmap(mt->aux_buf->bo);<br>
> > + return true;<br>
> > }<br>
> ><br>
> > static struct intel_miptree_aux_buffer *<br>
> > @@ -1764,15 +1765,14 @@ intel_miptree_alloc_mcs(struct brw_context *brw,<br>
> > const uint32_t alloc_flags = 0;<br>
> > mt->aux_buf = intel_alloc_aux_buffer(brw, "mcs-miptree",<br>
> > &temp_mcs_surf, alloc_flags, mt);<br>
> > - if (!mt->aux_buf) {<br>
> > + if (!mt->aux_buf ||<br>
> > + !intel_miptree_init_mcs(brw, mt, 0xFF)) {<br>
> ><br>
> <br>
> You're leaking mt->aux_buf here.<br>
> <br>
> <br>
<br>
</div></div>How?<font color="#888888"> </font></blockquote><div><br></div><div>Never mind. I can't read. Ignore me. :-)<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="HOEnZb"><font color="#888888"><br>
-Nanley<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
> > free(aux_state);<br>
> > return false;<br>
> > }<br>
> ><br>
> > mt->aux_state = aux_state;<br>
> ><br>
> > - intel_miptree_init_mcs(brw, mt, 0xFF);<br>
> > -<br>
> > return true;<br>
> > }<br>
> ><br>
> > --<br>
> > 2.16.2<br>
> ><br>
> > ______________________________<wbr>_________________<br>
> > mesa-dev mailing list<br>
> > <a href="mailto:mesa-dev@lists.freedesktop.org">mesa-dev@lists.freedesktop.org</a><br>
> > <a href="https://lists.freedesktop.org/mailman/listinfo/mesa-dev" rel="noreferrer" target="_blank">https://lists.freedesktop.org/<wbr>mailman/listinfo/mesa-dev</a><br>
> ><br>
</div></div></blockquote></div><br></div></div>