diff options
| author | Rob Clark <[email protected]> | 2014-05-10 13:45:54 -0400 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2014-05-13 18:33:19 -0400 |
| commit | b8f78e18907be379415c8c804b634808349fc1d9 (patch) | |
| tree | 6a8fe75487de633ad4329f30e49ed6f031c22652 /src/gallium/drivers/freedreno/freedreno_util.h | |
| parent | 13a0cf4480b908aafa337c121cbdfc338318f088 (diff) | |
freedreno: add support for hw queries
Real GPU queries need some infrastructure to track samples per tile and
accumulate the results. But fortunately this can be shared across GPU
generation.
See:
https://github.com/freedreno/freedreno/wiki/Queries#hardware-queries
Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_util.h')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_util.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h index 356f4165792..b57702c54c8 100644 --- a/src/gallium/drivers/freedreno/freedreno_util.h +++ b/src/gallium/drivers/freedreno/freedreno_util.h @@ -223,11 +223,18 @@ OUT_IB(struct fd_ringbuffer *ring, struct fd_ringmarker *start, emit_marker(ring, 6); } +/* CP_SCRATCH_REG4 is used to hold base address for query results: */ +#define HW_QUERY_BASE_REG REG_AXXX_CP_SCRATCH_REG4 + static inline void emit_marker(struct fd_ringbuffer *ring, int scratch_idx) { extern unsigned marker_cnt; - OUT_PKT0(ring, REG_AXXX_CP_SCRATCH_REG0 + scratch_idx, 1); + unsigned reg = REG_AXXX_CP_SCRATCH_REG0 + scratch_idx; + assert(reg != HW_QUERY_BASE_REG); + if (reg == HW_QUERY_BASE_REG) + return; + OUT_PKT0(ring, reg, 1); OUT_RING(ring, ++marker_cnt); } |