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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - HyperZ is broken for r300 (bad z for some micro and macrotiles?)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110897#c29">Comment # 29</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - HyperZ is broken for r300 (bad z for some micro and macrotiles?)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110897">bug 110897</a>
from <span class="vcard"><a class="email" href="mailto:u9vata@gmail.com" title="Richard Thier <u9vata@gmail.com>"> <span class="fn">Richard Thier</span></a>
</span></b>
<pre>Okay this is weird for me:
/* src/gallium/drivers/r300/r300_texture_desc.c */
399 /* Get the HIZ buffer size in dwords. */
400 hiz_numdw = (stride * height) / (8*8 * pipes);
401
402 /* Check whether we have enough HIZ memory. */
403 if (hiz_numdw <= screen->caps.hiz_ram * pipes) {
404 tex->tex.hiz_dwords[i] = hiz_numdw;
405 tex->tex.hiz_stride_in_pixels[i] = stride;
406 } else {
407 tex->tex.hiz_dwords[i] = 0;
408 tex->tex.hiz_stride_in_pixels[i] = 0;
409 }
(gdb) p hiz_numdw
$35 = 1128
(gdb) p screen->caps.hiz_ram
$36 = 0
(gdb)
(!) Is it normal to have zero hiz_ram on this
card???????????????????????????????????????????????
Btw:
info.r300_num_z_pipes == 1
info.r300_num_gb_pipes == 3 (this is in the pipes var)</pre>
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