[Mesa-dev] [PATCH 2/6] radeon: add streamout status 1-3 queries.
Dave Airlie
airlied at gmail.com
Sun Jul 26 18:49:59 PDT 2015
From: Dave Airlie <airlied at redhat.com>
This adds support for queries against the non-0 vertex streams.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/gallium/drivers/radeon/r600_query.c | 18 ++++++++++++++++--
src/gallium/drivers/radeon/r600d_common.h | 3 +++
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c
index a1d8241..f8072ea 100644
--- a/src/gallium/drivers/radeon/r600_query.c
+++ b/src/gallium/drivers/radeon/r600_query.c
@@ -54,6 +54,8 @@ struct r600_query {
uint64_t end_result;
/* Fence for GPU_FINISHED. */
struct pipe_fence_handle *fence;
+ /* For transform feedback: which stream the query is for */
+ unsigned stream;
};
@@ -155,6 +157,17 @@ static void r600_update_occlusion_query_state(struct r600_common_context *rctx,
}
}
+static unsigned event_type_for_stream(struct r600_query *query)
+{
+ switch (query->stream) {
+ default:
+ case 0: return EVENT_TYPE_SAMPLE_STREAMOUTSTATS;
+ case 1: return EVENT_TYPE_SAMPLE_STREAMOUTSTATS1;
+ case 2: return EVENT_TYPE_SAMPLE_STREAMOUTSTATS2;
+ case 3: return EVENT_TYPE_SAMPLE_STREAMOUTSTATS3;
+ }
+}
+
static void r600_emit_query_begin(struct r600_common_context *ctx, struct r600_query *query)
{
struct radeon_winsys_cs *cs = ctx->rings.gfx.cs;
@@ -189,7 +202,7 @@ static void r600_emit_query_begin(struct r600_common_context *ctx, struct r600_q
case PIPE_QUERY_SO_STATISTICS:
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
- radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_SAMPLE_STREAMOUTSTATS) | EVENT_INDEX(3));
+ radeon_emit(cs, EVENT_TYPE(event_type_for_stream(query)) | EVENT_INDEX(3));
radeon_emit(cs, va);
radeon_emit(cs, (va >> 32UL) & 0xFF);
break;
@@ -246,7 +259,7 @@ static void r600_emit_query_end(struct r600_common_context *ctx, struct r600_que
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
va += query->buffer.results_end + query->result_size/2;
radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
- radeon_emit(cs, EVENT_TYPE(EVENT_TYPE_SAMPLE_STREAMOUTSTATS) | EVENT_INDEX(3));
+ radeon_emit(cs, EVENT_TYPE(event_type_for_stream(query)) | EVENT_INDEX(3));
radeon_emit(cs, va);
radeon_emit(cs, (va >> 32UL) & 0xFF);
break;
@@ -367,6 +380,7 @@ static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned q
/* NumPrimitivesWritten, PrimitiveStorageNeeded. */
query->result_size = 32;
query->num_cs_dw = 6;
+ query->stream = index;
break;
case PIPE_QUERY_PIPELINE_STATISTICS:
/* 11 values on EG, 8 on R600. */
diff --git a/src/gallium/drivers/radeon/r600d_common.h b/src/gallium/drivers/radeon/r600d_common.h
index 74c8d87..5a56a54 100644
--- a/src/gallium/drivers/radeon/r600d_common.h
+++ b/src/gallium/drivers/radeon/r600d_common.h
@@ -66,6 +66,9 @@
#define PKT3_SET_SH_REG 0x76 /* SI and later */
#define PKT3_SET_UCONFIG_REG 0x79 /* CIK and later */
+#define EVENT_TYPE_SAMPLE_STREAMOUTSTATS1 0x1 /* EG and later */
+#define EVENT_TYPE_SAMPLE_STREAMOUTSTATS2 0x2 /* EG and later */
+#define EVENT_TYPE_SAMPLE_STREAMOUTSTATS3 0x3 /* EG and later */
#define EVENT_TYPE_PS_PARTIAL_FLUSH 0x10
#define EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT 0x14
#define EVENT_TYPE_ZPASS_DONE 0x15
--
2.4.3
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