Mesa (master): i965: Create a BRW_NEW_META_IN_PROGRESS state flag.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: b96f93c4536674d6cce99ffa191d49f0df238f9b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b96f93c4536674d6cce99ffa191d49f0df238f9b

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Fri May 17 21:17:56 2013 -0700

i965: Create a BRW_NEW_META_IN_PROGRESS state flag.

This will allow us to disable statistics during meta operations.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/drivers/dri/i965/brw_context.h      |    7 ++++++-
 src/mesa/drivers/dri/i965/brw_state_upload.c |    6 ++++++
 2 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 4b43878..fbff10b 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -153,7 +153,8 @@ enum brw_state_id {
    BRW_STATE_TRANSFORM_FEEDBACK,
    BRW_STATE_RASTERIZER_DISCARD,
    BRW_STATE_STATS_WM,
-   BRW_STATE_UNIFORM_BUFFER
+   BRW_STATE_UNIFORM_BUFFER,
+   BRW_STATE_META_IN_PROGRESS,
 };
 
 #define BRW_NEW_URB_FENCE               (1 << BRW_STATE_URB_FENCE)
@@ -186,6 +187,7 @@ enum brw_state_id {
 #define BRW_NEW_RASTERIZER_DISCARD	(1 << BRW_STATE_RASTERIZER_DISCARD)
 #define BRW_NEW_STATS_WM		(1 << BRW_STATE_STATS_WM)
 #define BRW_NEW_UNIFORM_BUFFER          (1 << BRW_STATE_UNIFORM_BUFFER)
+#define BRW_NEW_META_IN_PROGRESS        (1 << BRW_STATE_META_IN_PROGRESS)
 
 struct brw_state_flags {
    /** State update flags signalled by mesa internals */
@@ -795,6 +797,9 @@ struct brw_context
    struct brw_cache cache;
    struct brw_cached_batch_item *cached_batch_items;
 
+   /* Whether a meta-operation is in progress. */
+   bool meta_in_progress;
+
    struct {
       struct brw_vertex_element inputs[VERT_ATTRIB_MAX];
       struct brw_vertex_buffer buffers[VERT_ATTRIB_MAX];
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c
index cdc2657..5549f59 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -373,6 +373,7 @@ static struct dirty_bit_map brw_bits[] = {
    DEFINE_BIT(BRW_NEW_TRANSFORM_FEEDBACK),
    DEFINE_BIT(BRW_NEW_RASTERIZER_DISCARD),
    DEFINE_BIT(BRW_NEW_UNIFORM_BUFFER),
+   DEFINE_BIT(BRW_NEW_META_IN_PROGRESS),
    {0, 0, 0}
 };
 
@@ -460,6 +461,11 @@ void brw_upload_state(struct brw_context *brw)
       brw->state.dirty.brw |= BRW_NEW_VERTEX_PROGRAM;
    }
 
+   if (brw->meta_in_progress != _mesa_meta_in_progress(ctx)) {
+      brw->meta_in_progress = _mesa_meta_in_progress(ctx);
+      brw->state.dirty.brw |= BRW_NEW_META_IN_PROGRESS;
+   }
+
    if ((state->mesa | state->cache | state->brw) == 0)
       return;