From: Eric Anholt <eric@anholt.net>
Date: Tue, 26 Feb 2013 19:35:40 +0000 (-0800)
Subject: i965: Add WARN_ONCE for depthstencil workarounds we shouldn't be hitting.
X-Git-Tag: android-x86-4.4-r1~1118
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e63c959451dcdc42fc23b6b4c0871701abbaf23c;p=android-x86%2Fexternal-mesa.git

i965: Add WARN_ONCE for depthstencil workarounds we shouldn't be hitting.

Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/gen6_blorp.cpp b/src/mesa/drivers/dri/i965/gen6_blorp.cpp
index 3834ae230bf..2b6db82951d 100644
--- a/src/mesa/drivers/dri/i965/gen6_blorp.cpp
+++ b/src/mesa/drivers/dri/i965/gen6_blorp.cpp
@@ -855,6 +855,9 @@ gen6_blorp_emit_depth_stencil_config(struct brw_context *brw,
        * tile_x and tile_y to 0.  This is a temporary workaround until we come
        * up with a better solution.
        */
+      WARN_ONCE((tile_x & 7) || (tile_y & 7),
+                "Depth/stencil buffer needs alignment to 8-pixel boundaries.\n"
+                "Truncating offset, bad rendering may occur.\n");
       tile_x &= ~7;
       tile_y &= ~7;
 
diff --git a/src/mesa/drivers/dri/i965/gen7_blorp.cpp b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
index 21caa0afbc6..b6719b73ed8 100644
--- a/src/mesa/drivers/dri/i965/gen7_blorp.cpp
+++ b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
@@ -612,6 +612,9 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
        * tile_x and tile_y to 0.  This is a temporary workaround until we come
        * up with a better solution.
        */
+      WARN_ONCE((tile_x & 7) || (tile_y & 7),
+                "Depth/stencil buffer needs alignment to 8-pixel boundaries.\n"
+                "Truncating offset, bad rendering may occur.\n");
       tile_x &= ~7;
       tile_y &= ~7;