Pushed with "clear_db_cache_before_clear", Thanks Marek.

On 10/26/2017 10:42 PM, Marek Olšák wrote:
Please "clear_db_cache_before_clear" and the option too. With that,
the patch is:

Reviewed-by: Marek Olšák <marek.ol...@amd.com>

Thanks,
Marek

On Thu, Oct 26, 2017 at 6:08 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
It appears that flushing the DB metadata is actually not sufficient
since the driver uses the new VS blit shaders. This looks quite
strange though, but it seems like we need to flush DB for fixing
the corruption.

v2: rename the drirc option

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102955
Fixes: 69ccb9dae7 (radeonsi: use new VS blit shaders (VS inputs in SGPRs)
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
  src/gallium/drivers/radeonsi/driinfo_radeonsi.h |  2 +-
  src/gallium/drivers/radeonsi/si_blit.c          | 10 +++++-----
  src/gallium/drivers/radeonsi/si_pipe.c          |  4 ++--
  src/gallium/drivers/radeonsi/si_pipe.h          |  2 +-
  src/util/drirc                                  |  2 +-
  src/util/xmlpool/t_options.h                    |  6 +++---
  6 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/driinfo_radeonsi.h 
b/src/gallium/drivers/radeonsi/driinfo_radeonsi.h
index 402d3406d4..ef264b7d5e 100644
--- a/src/gallium/drivers/radeonsi/driinfo_radeonsi.h
+++ b/src/gallium/drivers/radeonsi/driinfo_radeonsi.h
@@ -6,5 +6,5 @@ DRI_CONF_SECTION_PERFORMANCE
  DRI_CONF_SECTION_END

  DRI_CONF_SECTION_DEBUG
-   DRI_CONF_RADEONSI_CLEAR_DB_META_BEFORE_CLEAR("false")
+   DRI_CONF_RADEONSI_CLEAR_DB_BEFORE_CLEAR("false")
  DRI_CONF_SECTION_END
diff --git a/src/gallium/drivers/radeonsi/si_blit.c 
b/src/gallium/drivers/radeonsi/si_blit.c
index fd8559ac98..ce1b5a3e1a 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -901,16 +901,16 @@ static void si_clear(struct pipe_context *ctx, unsigned 
buffers,
                  * corruption in ARK: Survival Evolved, but that may just be
                  * a coincidence and the root cause is elsewhere.
                  *
-                * The corruption can be fixed by putting the DB metadata flush
-                * before or after the depth clear. (suprisingly)
+                * The corruption can be fixed by putting the DB flush before
+                * or after the depth clear. (surprisingly)
                  *
                  * https://bugs.freedesktop.org/show_bug.cgi?id=102955 
(apitrace)
                  *
                  * This hack decreases back-to-back ClearDepth performance.
                  */
-               if (sctx->screen->clear_db_meta_before_clear)
-                       sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_DB_META |
-                                        SI_CONTEXT_PS_PARTIAL_FLUSH;
+               if (sctx->screen->clear_db_before_clear) {
+                       sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_DB;
+               }
         }

         si_blitter_begin(ctx, SI_CLEAR);
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c 
b/src/gallium/drivers/radeonsi/si_pipe.c
index 759d539471..21266611c7 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -1072,8 +1072,8 @@ struct pipe_screen *radeonsi_screen_create(struct 
radeon_winsys *ws,
                 driQueryOptionb(config->options, 
"radeonsi_assume_no_z_fights");
         sscreen->commutative_blend_add =
                 driQueryOptionb(config->options, 
"radeonsi_commutative_blend_add");
-       sscreen->clear_db_meta_before_clear =
-               driQueryOptionb(config->options, 
"radeonsi_clear_db_meta_before_clear");
+       sscreen->clear_db_before_clear =
+               driQueryOptionb(config->options, 
"radeonsi_clear_db_before_clear");
         sscreen->has_msaa_sample_loc_bug = (sscreen->b.family >= CHIP_POLARIS10 
&&
                                             sscreen->b.family <= 
CHIP_POLARIS12) ||
                                            sscreen->b.family == CHIP_VEGA10 ||
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h 
b/src/gallium/drivers/radeonsi/si_pipe.h
index c162a0fcd6..8138d4234a 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -98,7 +98,7 @@ struct si_screen {
         bool                            has_out_of_order_rast;
         bool                            assume_no_z_fights;
         bool                            commutative_blend_add;
-       bool                            clear_db_meta_before_clear;
+       bool                            clear_db_before_clear;
         bool                            has_msaa_sample_loc_bug;
         bool                            dpbb_allowed;
         bool                            dfsm_allowed;
diff --git a/src/util/drirc b/src/util/drirc
index 39ac3c858c..2d1f53ccbc 100644
--- a/src/util/drirc
+++ b/src/util/drirc
@@ -264,7 +264,7 @@ TODO: document the other workarounds.
      </device>
      <device driver="radeonsi">
          <application name="ARK: Survival Evolved (and unintentionally the UE4 demo 
template)" executable="ShooterGame">
-            <option name="radeonsi_clear_db_meta_before_clear" value="true" />
+            <option name="radeonsi_clear_db_before_clear" value="true" />
          </application>
      </device>
  </driconf>
diff --git a/src/util/xmlpool/t_options.h b/src/util/xmlpool/t_options.h
index 957ed61504..d5ea55efa5 100644
--- a/src/util/xmlpool/t_options.h
+++ b/src/util/xmlpool/t_options.h
@@ -444,7 +444,7 @@ DRI_CONF_OPT_BEGIN_B(radeonsi_commutative_blend_add, def) \
          DRI_CONF_DESC(en,gettext("Commutative additive blending optimizations (may 
cause rendering errors)")) \
  DRI_CONF_OPT_END

-#define DRI_CONF_RADEONSI_CLEAR_DB_META_BEFORE_CLEAR(def) \
-DRI_CONF_OPT_BEGIN_B(radeonsi_clear_db_meta_before_clear, def) \
-        DRI_CONF_DESC(en,"Clear DB metadata cache before fast depth clear") \
+#define DRI_CONF_RADEONSI_CLEAR_DB_BEFORE_CLEAR(def) \
+DRI_CONF_OPT_BEGIN_B(radeonsi_clear_db_before_clear, def) \
+        DRI_CONF_DESC(en,"Clear DB cache before fast depth clear") \
  DRI_CONF_OPT_END
--
2.14.3

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