Module: Mesa
Branch: master
Commit: e5a250fdf9487bae8d88fd7362ddb86e35978f1e
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=e5a250fdf9487bae8d88fd7362ddb86e35978f1e

Author: Marek Olšák <[email protected]>
Date:   Tue Feb 26 22:31:03 2013 +0100

r600g: flush and invalidate htile cache when appropriate

Tested-by: Andreas Boll <[email protected]>

NOTE: This is a candidate for the 9.1 branch.

---

 src/gallium/drivers/r600/evergreen_state.c      |    5 +++++
 src/gallium/drivers/r600/r600.h                 |    1 +
 src/gallium/drivers/r600/r600_hw_context.c      |    8 ++++++++
 src/gallium/drivers/r600/r600_hw_context_priv.h |    2 +-
 src/gallium/drivers/r600/r600_state.c           |    5 +++++
 src/gallium/drivers/r600/r600d.h                |    1 +
 6 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/r600/evergreen_state.c 
b/src/gallium/drivers/r600/evergreen_state.c
index b601f14..0a3372a 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1710,6 +1710,11 @@ static void evergreen_set_framebuffer_state(struct 
pipe_context *ctx,
        }
        if (rctx->framebuffer.state.zsbuf) {
                rctx->flags |= R600_CONTEXT_WAIT_3D_IDLE | 
R600_CONTEXT_FLUSH_AND_INV;
+
+               rtex = (struct 
r600_texture*)rctx->framebuffer.state.zsbuf->texture;
+               if (rtex->htile) {
+                       rctx->flags |= R600_CONTEXT_FLUSH_AND_INV_DB_META;
+               }
        }
 
        util_copy_framebuffer_state(&rctx->framebuffer.state, state);
diff --git a/src/gallium/drivers/r600/r600.h b/src/gallium/drivers/r600/r600.h
index dfd18b8..d018ebb 100644
--- a/src/gallium/drivers/r600/r600.h
+++ b/src/gallium/drivers/r600/r600.h
@@ -152,6 +152,7 @@ struct r600_so_target {
 #define R600_CONTEXT_FLUSH_AND_INV             (1 << 4)
 #define R600_CONTEXT_FLUSH_AND_INV_CB_META     (1 << 5)
 #define R600_CONTEXT_PS_PARTIAL_FLUSH          (1 << 6)
+#define R600_CONTEXT_FLUSH_AND_INV_DB_META      (1 << 7)
 
 struct r600_context;
 struct r600_screen;
diff --git a/src/gallium/drivers/r600/r600_hw_context.c 
b/src/gallium/drivers/r600/r600_hw_context.c
index 78b5b29..da0b02f 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -652,6 +652,12 @@ void r600_flush_emit(struct r600_context *rctx)
                cs->buf[cs->cdw++] = 
EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_CB_META) | EVENT_INDEX(0);
        }
 
+       if (rctx->chip_class >= R700 &&
+           (rctx->flags & R600_CONTEXT_FLUSH_AND_INV_DB_META)) {
+               cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
+               cs->buf[cs->cdw++] = 
EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_DB_META) | EVENT_INDEX(0);
+       }
+
        if (rctx->flags & R600_CONTEXT_FLUSH_AND_INV) {
                cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
                cs->buf[cs->cdw++] = 
EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0);
@@ -747,6 +753,7 @@ void r600_context_flush(struct r600_context *ctx, unsigned 
flags)
         */
        ctx->flags |= R600_CONTEXT_FLUSH_AND_INV |
                      R600_CONTEXT_FLUSH_AND_INV_CB_META |
+                     R600_CONTEXT_FLUSH_AND_INV_DB_META |
                      R600_CONTEXT_WAIT_3D_IDLE |
                      R600_CONTEXT_WAIT_CP_DMA_IDLE;
 
@@ -1099,6 +1106,7 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx,
        rctx->flags |= R600_CONTEXT_INVAL_READ_CACHES |
                       R600_CONTEXT_FLUSH_AND_INV |
                       R600_CONTEXT_FLUSH_AND_INV_CB_META |
+                      R600_CONTEXT_FLUSH_AND_INV_DB_META |
                       R600_CONTEXT_STREAMOUT_FLUSH |
                       R600_CONTEXT_WAIT_3D_IDLE;
 
diff --git a/src/gallium/drivers/r600/r600_hw_context_priv.h 
b/src/gallium/drivers/r600/r600_hw_context_priv.h
index 692e6ec..3b50f68 100644
--- a/src/gallium/drivers/r600/r600_hw_context_priv.h
+++ b/src/gallium/drivers/r600/r600_hw_context_priv.h
@@ -29,7 +29,7 @@
 #include "r600_pipe.h"
 
 /* the number of CS dwords for flushing and drawing */
-#define R600_MAX_FLUSH_CS_DWORDS       12
+#define R600_MAX_FLUSH_CS_DWORDS       16
 #define R600_MAX_DRAW_CS_DWORDS                34
 #define R600_TRACE_CS_DWORDS           7
 
diff --git a/src/gallium/drivers/r600/r600_state.c 
b/src/gallium/drivers/r600/r600_state.c
index 6f49eed..c0384e8 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -1556,6 +1556,11 @@ static void r600_set_framebuffer_state(struct 
pipe_context *ctx,
        }
        if (rctx->framebuffer.state.zsbuf) {
                rctx->flags |= R600_CONTEXT_WAIT_3D_IDLE | 
R600_CONTEXT_FLUSH_AND_INV;
+
+               rtex = (struct 
r600_texture*)rctx->framebuffer.state.zsbuf->texture;
+               if (rctx->chip_class >= R700 && rtex->htile) {
+                       rctx->flags |= R600_CONTEXT_FLUSH_AND_INV_DB_META;
+               }
        }
 
        /* Set the new state. */
diff --git a/src/gallium/drivers/r600/r600d.h b/src/gallium/drivers/r600/r600d.h
index 621e7a1..81e5a6c 100644
--- a/src/gallium/drivers/r600/r600d.h
+++ b/src/gallium/drivers/r600/r600d.h
@@ -119,6 +119,7 @@
 #define EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT   0x16
 #define EVENT_TYPE_SO_VGTSTREAMOUT_FLUSH       0x1f
 #define EVENT_TYPE_SAMPLE_STREAMOUTSTATS       0x20
+#define EVENT_TYPE_FLUSH_AND_INV_DB_META       0x2c /* supported on r700+ */
 #define EVENT_TYPE_FLUSH_AND_INV_CB_META       46 /* supported on r700+ */
 #define                EVENT_TYPE(x)                           ((x) << 0)
 #define                EVENT_INDEX(x)                          ((x) << 8)

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