From: Alex Deucher <alexander.deuc...@amd.com>

Clean up a few magic numbers and rework the code a bit.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
Reviewed-by: Michel Dänzer <michel.daen...@amd.com>
---
 src/gallium/drivers/radeonsi/si_state.c |   22 ++++++++++------------
 src/gallium/drivers/radeonsi/sid.h      |    2 ++
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state.c 
b/src/gallium/drivers/radeonsi/si_state.c
index 31a55a2..e0e0524 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1677,8 +1677,8 @@ static void si_db(struct r600_context *rctx, struct 
si_pm4_state *pm4,
        uint64_t z_offs, s_offs;
 
        if (state->zsbuf == NULL) {
-               si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
-               si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
+               si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 
S_028040_FORMAT(V_028040_Z_INVALID));
+               si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 
S_028044_FORMAT(V_028044_STENCIL_INVALID));
                return;
        }
 
@@ -1707,7 +1707,10 @@ static void si_db(struct r600_context *rctx, struct 
si_pm4_state *pm4,
        }
 
        z_info = S_028040_FORMAT(format);
-       s_info = S_028044_FORMAT(1);
+       if (rtex->surface.flags & RADEON_SURF_SBUFFER)
+               s_info = S_028044_FORMAT(V_028044_STENCIL_8);
+       else
+               s_info = S_028044_FORMAT(V_028044_STENCIL_INVALID);
 
        if (rtex->surface.level[level].mode == RADEON_SURF_MODE_1D) {
                z_info |= S_028040_TILE_MODE_INDEX(4);
@@ -1732,8 +1735,8 @@ static void si_db(struct r600_context *rctx, struct 
si_pm4_state *pm4,
        } else {
                R600_ERR("Invalid DB tiling mode %d!\n",
                         rtex->surface.level[level].mode);
-               si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
-               si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
+               si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 
S_028040_FORMAT(V_028040_Z_INVALID));
+               si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 
S_028044_FORMAT(V_028044_STENCIL_INVALID));
                return;
        }
 
@@ -1741,14 +1744,9 @@ static void si_db(struct r600_context *rctx, struct 
si_pm4_state *pm4,
                       S_028008_SLICE_START(state->zsbuf->u.tex.first_layer) |
                       S_028008_SLICE_MAX(state->zsbuf->u.tex.last_layer));
 
-       si_pm4_set_reg(pm4, R_02803C_DB_DEPTH_INFO, 0x1);
+       si_pm4_set_reg(pm4, R_02803C_DB_DEPTH_INFO, 
S_02803C_ADDR5_SWIZZLE_MASK(1));
        si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, z_info);
-
-       if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
-               si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, s_info);
-       } else {
-               si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, 0);
-       }
+       si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, s_info);
 
        si_pm4_add_bo(pm4, &rtex->resource, RADEON_USAGE_READWRITE);
        si_pm4_set_reg(pm4, R_028048_DB_Z_READ_BASE, z_offs);
diff --git a/src/gallium/drivers/radeonsi/sid.h 
b/src/gallium/drivers/radeonsi/sid.h
index bc5fcda..57553a6 100644
--- a/src/gallium/drivers/radeonsi/sid.h
+++ b/src/gallium/drivers/radeonsi/sid.h
@@ -4645,6 +4645,8 @@
 #define   S_028044_FORMAT(x)                                          (((x) & 
0x1) << 0)
 #define   G_028044_FORMAT(x)                                          (((x) >> 
0) & 0x1)
 #define   C_028044_FORMAT                                             
0xFFFFFFFE
+#define     V_028044_STENCIL_INVALID                                0x00
+#define     V_028044_STENCIL_8                                      0x01
 #define   S_028044_TILE_MODE_INDEX(x)                                 (((x) & 
0x07) << 20)
 #define   G_028044_TILE_MODE_INDEX(x)                                 (((x) >> 
20) & 0x07)
 #define   C_028044_TILE_MODE_INDEX                                    
0xFF8FFFFF
-- 
1.7.7.5

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