[Mesa-dev] [PATCH] i965: Fix depth field setting in surface state for raw buffer on Gen7/8

Zhenyu Wang zhenyuw at linux.intel.com
Mon Apr 6 22:51:19 PDT 2015


On Gen7/8 for RAW surface format, the depth field (surf[3]) in surface
state means [30:21] bits of number of entries which is different from
other surface format which uses [26:21] bits field.

Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>
---
 src/mesa/drivers/dri/i965/gen7_wm_surface_state.c | 7 +++++--
 src/mesa/drivers/dri/i965/gen8_surface_state.c    | 7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index d9361d3..18bcb8a 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -238,8 +238,11 @@ gen7_emit_buffer_surface_state(struct brw_context *brw,
    surf[1] = (bo ? bo->offset64 : 0) + buffer_offset; /* reloc */
    surf[2] = SET_FIELD((buffer_size - 1) & 0x7f, GEN7_SURFACE_WIDTH) |
              SET_FIELD(((buffer_size - 1) >> 7) & 0x3fff, GEN7_SURFACE_HEIGHT);
-   surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH) |
-             (pitch - 1);
+   if (surface_format == BRW_SURFACEFORMAT_RAW)
+      surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3ff, BRW_SURFACE_DEPTH);
+   else
+      surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH);
+   surf[3] |= (pitch - 1);
 
    surf[5] = SET_FIELD(GEN7_MOCS_L3, GEN7_SURFACE_MOCS);
 
diff --git a/src/mesa/drivers/dri/i965/gen8_surface_state.c b/src/mesa/drivers/dri/i965/gen8_surface_state.c
index 0007c95..ba59b05 100644
--- a/src/mesa/drivers/dri/i965/gen8_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_surface_state.c
@@ -129,8 +129,11 @@ gen8_emit_buffer_surface_state(struct brw_context *brw,
 
    surf[2] = SET_FIELD((buffer_size - 1) & 0x7f, GEN7_SURFACE_WIDTH) |
              SET_FIELD(((buffer_size - 1) >> 7) & 0x3fff, GEN7_SURFACE_HEIGHT);
-   surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH) |
-             (pitch - 1);
+   if (surface_format == BRW_SURFACEFORMAT_RAW)
+      surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3ff, BRW_SURFACE_DEPTH);
+   else
+      surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH);
+   surf[3] |= (pitch - 1);
    surf[7] = SET_FIELD(HSW_SCS_RED,   GEN7_SURFACE_SCS_R) |
              SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
              SET_FIELD(HSW_SCS_BLUE,  GEN7_SURFACE_SCS_B) |
-- 
2.1.4



More information about the mesa-dev mailing list