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authorNicolai Hähnle <[email protected]>2017-07-27 11:33:41 +0200
committerNicolai Hähnle <[email protected]>2017-08-02 09:48:03 +0200
commitaff93fd60e9167d1fbe63b4972451d2a5acda6e5 (patch)
tree37aad6ceaa20dfeaaa39112e01dc02a69766ae70 /src/gallium/drivers/radeon
parent653316fb0602e0e34718525c84ed5bab2a6955c3 (diff)
gallium/radeon: implement qbo for SO_OVERFLOW_PREDICATE
v2: use R600_MAX_STREAMS instead of 4 (Marek) Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeon')
-rw-r--r--src/gallium/drivers/radeon/r600_query.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c
index 3eb081ad2a0..62ab74575bf 100644
--- a/src/gallium/drivers/radeon/r600_query.c
+++ b/src/gallium/drivers/radeon/r600_query.c
@@ -1142,6 +1142,19 @@ static void r600_get_hw_query_params(struct r600_common_context *rctx,
params->end_offset = 24 - index * 8;
params->fence_offset = params->end_offset + 4;
break;
+ case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
+ params->pair_count = R600_MAX_STREAMS;
+ params->pair_stride = 32;
+ case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
+ params->start_offset = 0;
+ params->end_offset = 16;
+
+ /* We can re-use the high dword of the last 64-bit value as a
+ * fence: it is initialized as 0, and the high bit is set by
+ * the write of the streamout stats event.
+ */
+ params->fence_offset = rquery->result_size - 4;
+ break;
case PIPE_QUERY_PIPELINE_STATISTICS:
{
/* Offsets apply to EG+ */
@@ -1393,6 +1406,7 @@ bool r600_query_hw_get_result(struct r600_common_context *rctx,
* 32: apply timestamp conversion
* 64: store full 64 bits result
* 128: store signed 32 bits result
+ * 256: SO_OVERFLOW mode: take the difference of two successive half-pairs
* 1.x = fence_offset
* 1.y = pair_stride
* 1.z = pair_count
@@ -1423,7 +1437,7 @@ static void r600_create_query_result_shader(struct r600_common_context *rctx)
"IMM[1] UINT32 {1, 2, 4, 8}\n"
"IMM[2] UINT32 {16, 32, 64, 128}\n"
"IMM[3] UINT32 {1000000, 0, %u, 0}\n" /* for timestamp conversion */
- "IMM[4] UINT32 {0, 0, 0, 0}\n"
+ "IMM[4] UINT32 {256, 0, 0, 0}\n"
"AND TEMP[5], CONST[0].wwww, IMM[2].xxxx\n"
"UIF TEMP[5]\n"
@@ -1474,11 +1488,25 @@ static void r600_create_query_result_shader(struct r600_common_context *rctx)
"UMAD TEMP[5].x, TEMP[1].yyyy, CONST[1].yyyy, TEMP[5].xxxx\n"
"LOAD TEMP[2].xy, BUFFER[0], TEMP[5].xxxx\n"
- "UADD TEMP[5].x, TEMP[5].xxxx, CONST[0].xxxx\n"
- "LOAD TEMP[3].xy, BUFFER[0], TEMP[5].xxxx\n"
+ "UADD TEMP[5].y, TEMP[5].xxxx, CONST[0].xxxx\n"
+ "LOAD TEMP[3].xy, BUFFER[0], TEMP[5].yyyy\n"
+
+ "U64ADD TEMP[4].xy, TEMP[3], -TEMP[2]\n"
+
+ "AND TEMP[5].z, CONST[0].wwww, IMM[4].xxxx\n"
+ "UIF TEMP[5].zzzz\n"
+ /* Load second start/end half-pair and
+ * take the difference
+ */
+ "UADD TEMP[5].xy, TEMP[5], IMM[1].wwww\n"
+ "LOAD TEMP[2].xy, BUFFER[0], TEMP[5].xxxx\n"
+ "LOAD TEMP[3].xy, BUFFER[0], TEMP[5].yyyy\n"
+
+ "U64ADD TEMP[3].xy, TEMP[3], -TEMP[2]\n"
+ "U64ADD TEMP[4].xy, TEMP[4], -TEMP[3]\n"
+ "ENDIF\n"
- "U64ADD TEMP[3].xy, TEMP[3], -TEMP[2]\n"
- "U64ADD TEMP[0].xy, TEMP[0], TEMP[3]\n"
+ "U64ADD TEMP[0].xy, TEMP[0], TEMP[4]\n"
/* Increment pair index */
"UADD TEMP[1].y, TEMP[1].yyyy, IMM[1].xxxx\n"
@@ -1655,9 +1683,11 @@ static void r600_query_hw_get_result_resource(struct r600_common_context *rctx,
consts.config = 0;
if (index < 0)
consts.config |= 4;
- if (query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE ||
- query->b.type == PIPE_QUERY_SO_OVERFLOW_PREDICATE)
+ if (query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE)
consts.config |= 8;
+ else if (query->b.type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
+ query->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE)
+ consts.config |= 8 | 256;
else if (query->b.type == PIPE_QUERY_TIMESTAMP ||
query->b.type == PIPE_QUERY_TIME_ELAPSED)
consts.config |= 32;