Module: Mesa
Branch: master
Commit: 6fa22b840e68f15aff284485839467d51100edb9
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6fa22b840e68f15aff284485839467d51100edb9

Author: Marek Olšák <mar...@gmail.com>
Date:   Sat Sep 29 03:33:29 2012 +0200

r600g: ensure PERFECT_ZPASS+NOOP_CULL_DISABLE are 0 for blits+decompression

When an occlusion query was active, the derived DB state wasn't changed
for u_blitter even though all the occlusion queries were suspended.

It's fixed by moving the state update into the emit functions, which are
called whenever queries are stopped or suspended.

---

 src/gallium/drivers/r600/r600_query.c |   45 ++++++++++++++++-----------------
 1 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_query.c 
b/src/gallium/drivers/r600/r600_query.c
index 440b8c9..fef756d 100644
--- a/src/gallium/drivers/r600/r600_query.c
+++ b/src/gallium/drivers/r600/r600_query.c
@@ -85,11 +85,31 @@ static struct r600_resource *r600_new_query_buffer(struct 
r600_context *ctx, uns
        return buf;
 }
 
+static void r600_update_occlusion_query_state(struct r600_context *rctx,
+                                             unsigned type, int diff)
+{
+       if (type == PIPE_QUERY_OCCLUSION_COUNTER ||
+           type == PIPE_QUERY_OCCLUSION_PREDICATE) {
+               bool enable;
+
+               rctx->num_occlusion_queries += diff;
+               assert(rctx->num_occlusion_queries >= 0);
+
+               enable = rctx->num_occlusion_queries != 0;
+
+               if (rctx->db_misc_state.occlusion_query_enabled != enable) {
+                       rctx->db_misc_state.occlusion_query_enabled = enable;
+                       r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
+               }
+       }
+}
+
 static void r600_emit_query_begin(struct r600_context *ctx, struct r600_query 
*query)
 {
        struct radeon_winsys_cs *cs = ctx->cs;
        uint64_t va;
 
+       r600_update_occlusion_query_state(ctx, query->type, 1);
        r600_need_cs_space(ctx, query->num_cs_dw * 2, TRUE);
 
        /* Get a new query buffer if needed. */
@@ -199,6 +219,8 @@ static void r600_emit_query_end(struct r600_context *ctx, 
struct r600_query *que
                        ctx->num_cs_dw_nontimer_queries_suspend -= 
query->num_cs_dw;
                }
        }
+
+       r600_update_occlusion_query_state(ctx, query->type, -1);
 }
 
 static void r600_emit_query_predication(struct r600_context *ctx, struct 
r600_query *query,
@@ -313,25 +335,6 @@ static void r600_destroy_query(struct pipe_context *ctx, 
struct pipe_query *quer
        FREE(query);
 }
 
-static void r600_update_occlusion_query_state(struct r600_context *rctx,
-                                             unsigned type, int diff)
-{
-       if (type == PIPE_QUERY_OCCLUSION_COUNTER ||
-           type == PIPE_QUERY_OCCLUSION_PREDICATE) {
-               bool enable;
-
-               rctx->num_occlusion_queries += diff;
-               assert(rctx->num_occlusion_queries >= 0);
-
-               enable = rctx->num_occlusion_queries != 0;
-
-               if (rctx->db_misc_state.occlusion_query_enabled != enable) {
-                       rctx->db_misc_state.occlusion_query_enabled = enable;
-                       r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
-               }
-       }
-}
-
 static void r600_begin_query(struct pipe_context *ctx, struct pipe_query 
*query)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
@@ -361,8 +364,6 @@ static void r600_begin_query(struct pipe_context *ctx, 
struct pipe_query *query)
        rquery->buffer.results_end = 0;
        rquery->buffer.previous = NULL;
 
-       r600_update_occlusion_query_state(rctx, rquery->type, 1);
-
        r600_emit_query_begin(rctx, rquery);
 
        if (r600_is_timer_query(rquery->type)) {
@@ -382,8 +383,6 @@ static void r600_end_query(struct pipe_context *ctx, struct 
pipe_query *query)
        if (r600_query_needs_begin(rquery->type)) {
                LIST_DELINIT(&rquery->list);
        }
-
-       r600_update_occlusion_query_state(rctx, rquery->type, -1);
 }
 
 static unsigned r600_query_read_result(char *map, unsigned start_index, 
unsigned end_index,

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