v2 (Ben): Use combination of msaa_layout and number of samples
          instead of introducing explicit type for lossless
          compression (intel_miptree_is_lossless_compressed()).

Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
 src/mesa/drivers/dri/i965/brw_defines.h         | 1 +
 src/mesa/drivers/dri/i965/brw_meta_fast_clear.c | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h 
b/src/mesa/drivers/dri/i965/brw_defines.h
index fc8e157..b1fa559 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -2727,6 +2727,7 @@ enum brw_wm_barycentric_interp_mode {
 # define GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE       (1 << 8)
 # define GEN7_PS_DUAL_SOURCE_BLEND_ENABLE              (1 << 7)
 # define GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE          (1 << 6)
+# define GEN9_PS_RENDER_TARGET_RESOLVE_FULL             (3 << 6)
 # define HSW_PS_UAV_ACCESS_ENABLE                      (1 << 5)
 # define GEN7_PS_POSOFFSET_NONE                                (0 << 3)
 # define GEN7_PS_POSOFFSET_CENTROID                    (2 << 3)
diff --git a/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c 
b/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
index 09ffbb9..e92ae6c 100644
--- a/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
+++ b/src/mesa/drivers/dri/i965/brw_meta_fast_clear.c
@@ -873,7 +873,10 @@ brw_meta_resolve_color(struct brw_context *brw,
     * bits to let us select the type of resolve.  For fast clear resolves, it
     * turns out we can use the same value as pre-SKL though.
     */
-   set_fast_clear_op(brw, GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE);
+   if (intel_miptree_is_lossless_compressed(brw, mt))
+      set_fast_clear_op(brw, GEN9_PS_RENDER_TARGET_RESOLVE_FULL);
+   else
+      set_fast_clear_op(brw, GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE);
 
    mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
    get_resolve_rect(brw, mt, &rect);
-- 
2.5.0

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