[Bug 110897] HyperZ is broken for r300 (bad z for some micro and macrotiles?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110897

--- Comment #28 from Richard Thier <u9vata at gmail.com> ---
I still see the glitches with the following changes:

@@ -364,11 +369,21 @@ static void r300_clear(struct pipe_context* pipe,
     /* Clear. */
     if (buffers) {
         /* Clear using the blitter. */
+
+        /* FIXME: Twoline HACKZ TO SAVE FLAGS THAT blitter_clear clears */
+        bool tmp_zmask_clear_dirty = r300->zmask_clear.dirty;
+       bool tmp_hiz_clear_dirty = r300->hiz_clear.dirty;
+
         r300_blitter_begin(r300, R300_CLEAR);
         util_blitter_clear(r300->blitter, width, height, 1,
                            buffers, color, depth, stencil);
+       /* FIXME: two lines of hack! */
+       r300->zmask_clear.dirty = tmp_zmask_clear_dirty;
+       r300->hiz_clear.dirty = tmp_hiz_clear_dirty;
+
         r300_blitter_end(r300);
-    } else if (r300->zmask_clear.dirty ||
+/* TIPP: here maybe not else if, just an if should be present??? */
+    } /*else*/ if (r300->zmask_clear.dirty ||
                    r300->hiz_clear.dirty ||
                    r300->cmask_clear.dirty) {


Even though we are now entering the things after this if and go where the zram
clear emit is. Maybe this is not the problem...

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