freedreno: a bit of query refactor

Move a bit more of the logic shared by all query types (active tracking,
etc) into common code.  This avoids introducing a 3rd copy of that logic
for a5xx.

Signed-off-by: Rob Clark <robdclark@gmail.com>

src/gallium/drivers/freedreno/freedreno_context.h

@@ -381,8 +381,21 @@ fd_batch_set_stage(struct fd_batch *batch,
 		struct fd_ringbuffer *ring, enum fd_render_stage stage)
 {
 	struct fd_context *ctx = batch->ctx;
+
+	/* special case: internal blits (like mipmap level generation)
+	 * go through normal draw path (via util_blitter_blit()).. but
+	 * we need to ignore the FD_STAGE_DRAW which will be set, so we
+	 * don't enable queries which should be paused during internal
+	 * blits:
+	 */
+	if ((batch->stage == FD_STAGE_BLIT) &&
+			(stage != FD_STAGE_NULL))
+		return;
+
 	if (ctx->query_set_stage)
 		ctx->query_set_stage(batch, ring, stage);
+
+	batch->stage = stage;
 }
 
 void fd_context_setup_common_vbos(struct fd_context *ctx);

src/gallium/drivers/freedreno/freedreno_query.c

@@ -63,14 +63,34 @@ static boolean
 fd_begin_query(struct pipe_context *pctx, struct pipe_query *pq)
 {
 	struct fd_query *q = fd_query(pq);
-	return q->funcs->begin_query(fd_context(pctx), q);
+	boolean ret;
+
+	if (q->active)
+		return false;
+
+	ret = q->funcs->begin_query(fd_context(pctx), q);
+	q->active = ret;
+
+	return ret;
 }
 
 static bool
 fd_end_query(struct pipe_context *pctx, struct pipe_query *pq)
 {
 	struct fd_query *q = fd_query(pq);
+
+	/* there are a couple special cases, which don't have
+	 * a matching ->begin_query():
+	 */
+	if (skip_begin_query(q->type) && !q->active)
+		fd_begin_query(pctx, pq);
+
+	if (!q->active)
+		return false;
+
 	q->funcs->end_query(fd_context(pctx), q);
+	q->active = false;
+
 	return true;
 }
 
@@ -79,6 +99,12 @@ fd_get_query_result(struct pipe_context *pctx, struct pipe_query *pq,
 		boolean wait, union pipe_query_result *result)
 {
 	struct fd_query *q = fd_query(pq);
+
+	if (q->active)
+		return false;
+
+	util_query_clear_result(result, q->type);
+
 	return q->funcs->get_query_result(fd_context(pctx), q, wait, result);
 }
 

src/gallium/drivers/freedreno/freedreno_query_hw.c

@@ -162,17 +162,12 @@ fd_hw_begin_query(struct fd_context *ctx, struct fd_query *q)
 
 	DBG("%p: active=%d", q, q->active);
 
-	if (q->active)
-		return false;
-
 	/* begin_query() should clear previous results: */
 	destroy_periods(ctx, hq);
 
 	if (batch && is_active(hq, batch->stage))
 		resume_query(batch, hq, batch->draw);
 
-	q->active = true;
-
 	/* add to active list: */
 	assert(list_empty(&hq->list));
 	list_addtail(&hq->list, &ctx->active_queries);
@@ -186,22 +181,11 @@ fd_hw_end_query(struct fd_context *ctx, struct fd_query *q)
 	struct fd_batch *batch = ctx->batch;
 	struct fd_hw_query *hq = fd_hw_query(q);
 
-	/* there are a couple special cases, which don't have
-	 * a matching ->begin_query():
-	 */
-	if (skip_begin_query(q->type) && !q->active) {
-		fd_hw_begin_query(ctx, q);
-	}
-
 	DBG("%p: active=%d", q, q->active);
 
-	if (!q->active)
-		return;
-
 	if (batch && is_active(hq, batch->stage))
 		pause_query(batch, hq, batch->draw);
 
-	q->active = false;
 	/* remove from active list: */
 	list_delinit(&hq->list);
 }
@@ -222,11 +206,6 @@ fd_hw_get_query_result(struct fd_context *ctx, struct fd_query *q,
 
 	DBG("%p: wait=%d, active=%d", q, wait, q->active);
 
-	if (q->active)
-		return false;
-
-	util_query_clear_result(result, q->type);
-
 	if (LIST_IS_EMPTY(&hq->periods))
 		return true;
 
@@ -424,16 +403,6 @@ void
 fd_hw_query_set_stage(struct fd_batch *batch, struct fd_ringbuffer *ring,
 		enum fd_render_stage stage)
 {
-	/* special case: internal blits (like mipmap level generation)
-	 * go through normal draw path (via util_blitter_blit()).. but
-	 * we need to ignore the FD_STAGE_DRAW which will be set, so we
-	 * don't enable queries which should be paused during internal
-	 * blits:
-	 */
-	if ((batch->stage == FD_STAGE_BLIT) &&
-			(stage != FD_STAGE_NULL))
-		return;
-
 	if (stage != batch->stage) {
 		struct fd_hw_query *hq;
 		LIST_FOR_EACH_ENTRY(hq, &batch->ctx->active_queries, list) {
@@ -447,7 +416,6 @@ fd_hw_query_set_stage(struct fd_batch *batch, struct fd_ringbuffer *ring,
 		}
 	}
 	clear_sample_cache(batch);
-	batch->stage = stage;
 }
 
 /* call the provider->enable() for all the hw queries that were active

src/gallium/drivers/freedreno/freedreno_query_sw.c

@@ -89,7 +89,6 @@ static boolean
 fd_sw_begin_query(struct fd_context *ctx, struct fd_query *q)
 {
 	struct fd_sw_query *sq = fd_sw_query(q);
-	q->active = true;
 	sq->begin_value = read_counter(ctx, q->type);
 	if (is_rate_query(q))
 		sq->begin_time = os_time_get();
@@ -100,7 +99,6 @@ static void
 fd_sw_end_query(struct fd_context *ctx, struct fd_query *q)
 {
 	struct fd_sw_query *sq = fd_sw_query(q);
-	q->active = false;
 	sq->end_value = read_counter(ctx, q->type);
 	if (is_rate_query(q))
 		sq->end_time = os_time_get();
@@ -112,11 +110,6 @@ fd_sw_get_query_result(struct fd_context *ctx, struct fd_query *q,
 {
 	struct fd_sw_query *sq = fd_sw_query(q);
 
-	if (q->active)
-		return false;
-
-	util_query_clear_result(result, q->type);
-
 	result->u64 = sq->end_value - sq->begin_value;
 
 	if (is_rate_query(q)) {