Mesa (master): r600: add missing ZPASS setup bits for r7xx+

[Alex Deucher]

Module: Mesa
Branch: master
Commit: a9035f3dc313d047ce3af191d6d7ac8ada8167df
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a9035f3dc313d047ce3af191d6d7ac8ada8167df

Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Mon Nov  9 11:34:13 2009 -0500

r600: add missing ZPASS setup bits for r7xx+

---

 src/mesa/drivers/dri/r600/r600_reg_r7xx.h |    2 ++
 src/mesa/drivers/dri/r600/r700_state.c    |    4 ++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r600_reg_r7xx.h b/src/mesa/drivers/dri/r600/r600_reg_r7xx.h
index e5c01c8..eb169bd 100644
--- a/src/mesa/drivers/dri/r600/r600_reg_r7xx.h
+++ b/src/mesa/drivers/dri/r600/r600_reg_r7xx.h
@@ -143,6 +143,8 @@ enum {
 //  SQ_TEX_SAMPLER_MISC_0                                 = 0x0003d03c,
 	R7xx_TRUNCATE_COORD_bit                           = 1 << 9,
 	R7xx_DISABLE_CUBE_WRAP_bit                        = 1 << 10,
+//  DB_RENDER_CONTROL                                     = 0x00028d0c,
+	PERFECT_ZPASS_COUNTS_bit                          = 1 << 15,
 
 } ;
 
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c
index b278887..b95fc87 100644
--- a/src/mesa/drivers/dri/r600/r700_state.c
+++ b/src/mesa/drivers/dri/r600/r700_state.c
@@ -1686,6 +1686,10 @@ void r700InitState(GLcontext * ctx) //-------------------
     SETfield(r700->DB_RENDER_OVERRIDE.u32All, FORCE_DISABLE, FORCE_HIS_ENABLE0_shift, FORCE_HIS_ENABLE0_mask);
     SETfield(r700->DB_RENDER_OVERRIDE.u32All, FORCE_DISABLE, FORCE_HIS_ENABLE1_shift, FORCE_HIS_ENABLE1_mask);
     SETbit(r700->DB_RENDER_OVERRIDE.u32All, NOOP_CULL_DISABLE_bit);
+    if (context->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV770)
+    {
+	    CLEARbit(r700->DB_RENDER_CONTROL.u32All, PERFECT_ZPASS_COUNTS_bit);
+    }
 
     r700->DB_ALPHA_TO_MASK.u32All = 0;
     SETfield(r700->DB_ALPHA_TO_MASK.u32All, 2, ALPHA_TO_MASK_OFFSET0_shift, ALPHA_TO_MASK_OFFSET0_mask);