[Mesa-dev] [PATCH 09/13] gallium/radeon: implement basic parts of PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE
Marek Olšák
maraeo at gmail.com
Tue Aug 1 20:23:58 UTC 2017
Hi Nicolai,
Can you add R600_MAX_STREAM = 4 to make the code more readable?
Thanks,
Marek
On Thu, Jul 27, 2017 at 9:14 PM, Nicolai Hähnle <nhaehnle at gmail.com> wrote:
> From: Nicolai Hähnle <nicolai.haehnle at amd.com>
>
> ---
> src/gallium/drivers/radeon/r600_query.c | 96 ++++++++++++++++++++++++---------
> 1 file changed, 71 insertions(+), 25 deletions(-)
>
> diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c
> index 9f33bac..4c727d6 100644
> --- a/src/gallium/drivers/radeon/r600_query.c
> +++ b/src/gallium/drivers/radeon/r600_query.c
> @@ -648,6 +648,12 @@ static struct pipe_query *r600_query_hw_create(struct r600_common_screen *rscree
> query->num_cs_dw_end = 6;
> query->stream = index;
> break;
> + case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
> + /* NumPrimitivesWritten, PrimitiveStorageNeeded. */
> + query->result_size = 32 * 4;
> + query->num_cs_dw_begin = 6 * 4;
> + query->num_cs_dw_end = 6 * 4;
> + break;
> case PIPE_QUERY_PIPELINE_STATISTICS:
> /* 11 values on EG, 8 on R600. */
> query->result_size = (rscreen->chip_class >= EVERGREEN ? 11 : 8) * 16;
> @@ -696,9 +702,9 @@ static void r600_update_occlusion_query_state(struct r600_common_context *rctx,
> }
> }
>
> -static unsigned event_type_for_stream(struct r600_query_hw *query)
> +static unsigned event_type_for_stream(unsigned stream)
> {
> - switch (query->stream) {
> + switch (stream) {
> default:
> case 0: return EVENT_TYPE_SAMPLE_STREAMOUTSTATS;
> case 1: return EVENT_TYPE_SAMPLE_STREAMOUTSTATS1;
> @@ -707,6 +713,15 @@ static unsigned event_type_for_stream(struct r600_query_hw *query)
> }
> }
>
> +static void emit_sample_streamout(struct radeon_winsys_cs *cs, uint64_t va,
> + unsigned stream)
> +{
> + radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
> + radeon_emit(cs, EVENT_TYPE(event_type_for_stream(stream)) | EVENT_INDEX(3));
> + radeon_emit(cs, va);
> + radeon_emit(cs, va >> 32);
> +}
> +
> static void r600_query_hw_do_emit_start(struct r600_common_context *ctx,
> struct r600_query_hw *query,
> struct r600_resource *buffer,
> @@ -726,10 +741,11 @@ static void r600_query_hw_do_emit_start(struct r600_common_context *ctx,
> case PIPE_QUERY_PRIMITIVES_GENERATED:
> 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_for_stream(query)) | EVENT_INDEX(3));
> - radeon_emit(cs, va);
> - radeon_emit(cs, va >> 32);
> + emit_sample_streamout(cs, va, query->stream);
> + break;
> + case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
> + for (unsigned stream = 0; stream < 4; ++stream)
> + emit_sample_streamout(cs, va + 32 * stream, stream);
> break;
> case PIPE_QUERY_TIME_ELAPSED:
> if (ctx->chip_class >= SI) {
> @@ -821,11 +837,13 @@ static void r600_query_hw_do_emit_stop(struct r600_common_context *ctx,
> case PIPE_QUERY_PRIMITIVES_GENERATED:
> case PIPE_QUERY_SO_STATISTICS:
> case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
> - va += query->result_size/2;
> - radeon_emit(cs, PKT3(PKT3_EVENT_WRITE, 2, 0));
> - radeon_emit(cs, EVENT_TYPE(event_type_for_stream(query)) | EVENT_INDEX(3));
> - radeon_emit(cs, va);
> - radeon_emit(cs, va >> 32);
> + va += 16;
> + emit_sample_streamout(cs, va, query->stream);
> + break;
> + case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
> + va += 16;
> + for (unsigned stream = 0; stream < 4; ++stream)
> + emit_sample_streamout(cs, va + 32 * stream, stream);
> break;
> case PIPE_QUERY_TIME_ELAPSED:
> va += 8;
> @@ -885,10 +903,29 @@ static void r600_query_hw_emit_stop(struct r600_common_context *ctx,
> r600_update_prims_generated_query_state(ctx, query->b.type, -1);
> }
>
> +static void emit_set_predicate(struct r600_common_context *ctx,
> + struct r600_resource *buf, uint64_t va,
> + uint32_t op)
> +{
> + struct radeon_winsys_cs *cs = ctx->gfx.cs;
> +
> + if (ctx->chip_class >= GFX9) {
> + radeon_emit(cs, PKT3(PKT3_SET_PREDICATION, 2, 0));
> + radeon_emit(cs, op);
> + radeon_emit(cs, va);
> + radeon_emit(cs, va >> 32);
> + } else {
> + radeon_emit(cs, PKT3(PKT3_SET_PREDICATION, 1, 0));
> + radeon_emit(cs, va);
> + radeon_emit(cs, op | ((va >> 32) & 0xFF));
> + }
> + r600_emit_reloc(ctx, &ctx->gfx, buf, RADEON_USAGE_READ,
> + RADEON_PRIO_QUERY);
> +}
> +
> static void r600_emit_query_predication(struct r600_common_context *ctx,
> struct r600_atom *atom)
> {
> - struct radeon_winsys_cs *cs = ctx->gfx.cs;
> struct r600_query_hw *query = (struct r600_query_hw *)ctx->render_cond;
> struct r600_query_buffer *qbuf;
> uint32_t op;
> @@ -907,6 +944,7 @@ static void r600_emit_query_predication(struct r600_common_context *ctx,
> op = PRED_OP(PREDICATION_OP_ZPASS);
> break;
> case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
> + case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
> op = PRED_OP(PREDICATION_OP_PRIMCOUNT);
> invert = !invert;
> break;
> @@ -931,22 +969,19 @@ static void r600_emit_query_predication(struct r600_common_context *ctx,
> while (results_base < qbuf->results_end) {
> uint64_t va = va_base + results_base;
>
> - if (ctx->chip_class >= GFX9) {
> - radeon_emit(cs, PKT3(PKT3_SET_PREDICATION, 2, 0));
> - radeon_emit(cs, op);
> - radeon_emit(cs, va);
> - radeon_emit(cs, va >> 32);
> + if (query->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE) {
> + for (unsigned stream = 0; stream < 4; ++stream) {
> + emit_set_predicate(ctx, qbuf->buf, va + 32 * stream, op);
> +
> + /* set CONTINUE bit for all packets except the first */
> + op |= PREDICATION_CONTINUE;
> + }
> } else {
> - radeon_emit(cs, PKT3(PKT3_SET_PREDICATION, 1, 0));
> - radeon_emit(cs, va);
> - radeon_emit(cs, op | ((va >> 32) & 0xFF));
> + emit_set_predicate(ctx, qbuf->buf, va, op);
> + op |= PREDICATION_CONTINUE;
> }
> - r600_emit_reloc(ctx, &ctx->gfx, qbuf->buf, RADEON_USAGE_READ,
> - RADEON_PRIO_QUERY);
> - results_base += query->result_size;
>
> - /* set CONTINUE bit for all packets except the first */
> - op |= PREDICATION_CONTINUE;
> + results_base += query->result_size;
> }
> }
> }
> @@ -1185,6 +1220,14 @@ static void r600_query_hw_add_result(struct r600_common_screen *rscreen,
> r600_query_read_result(buffer, 2, 6, true) !=
> r600_query_read_result(buffer, 0, 4, true);
> break;
> + case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
> + for (unsigned stream = 0; stream < 4; ++stream) {
> + result->b = result->b ||
> + r600_query_read_result(buffer, 2, 6, true) !=
> + r600_query_read_result(buffer, 0, 4, true);
> + buffer = (char *)buffer + 32;
> + }
> + break;
> case PIPE_QUERY_PIPELINE_STATISTICS:
> if (rscreen->chip_class >= EVERGREEN) {
> result->pipeline_statistics.ps_invocations +=
> @@ -1698,6 +1741,9 @@ static void r600_render_condition(struct pipe_context *ctx,
> if (query) {
> for (qbuf = &rquery->buffer; qbuf; qbuf = qbuf->previous)
> atom->num_dw += (qbuf->results_end / rquery->result_size) * 5;
> +
> + if (rquery->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE)
> + atom->num_dw *= 4;
> }
>
> rctx->set_atom_dirty(rctx, atom, query != NULL);
> --
> 2.9.3
>
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