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/*
* Copyright (C) 2017 Rob Clark <robclark@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef FREEDRENO_QUERY_ACC_H_
#define FREEDRENO_QUERY_ACC_H_
#include "util/list.h"
#include "freedreno_query.h"
#include "freedreno_context.h"
/*
* Accumulated HW Queries:
*
* Unlike the original HW Queries in earlier adreno generations (see
* freedreno_query_hw.[ch], later generations can accumulate the per-
* tile results of some (a4xx) or all (a5xx+?) queries in the cmdstream.
* But we still need to handle pausing/resuming the query across stage
* changes (in particular when switching between batches).
*
* fd_acc_sample_provider:
* - one per accumulated query type, registered/implemented by gpu
* generation specific code
* - knows how to emit cmdstream to pause/resume a query instance
*
* fd_acc_query:
* - one instance per query object
* - each query object has it's own result buffer, which may
* span multiple batches, etc.
*/
struct fd_acc_query;
struct fd_acc_sample_provider {
unsigned query_type;
/* stages applicable to the query type: */
enum fd_render_stage active;
unsigned size;
void (*resume)(struct fd_acc_query *aq, struct fd_batch *batch);
void (*pause)(struct fd_acc_query *aq, struct fd_batch *batch);
void (*result)(struct fd_acc_query *aq, void *buf,
union pipe_query_result *result);
};
struct fd_acc_query {
struct fd_query base;
const struct fd_acc_sample_provider *provider;
struct pipe_resource *prsc;
unsigned offset;
struct list_head node; /* list-node in ctx->active_acc_queries */
int no_wait_cnt; /* see fd_acc_get_query_result() */
};
static inline struct fd_acc_query *
fd_acc_query(struct fd_query *q)
{
return (struct fd_acc_query *)q;
}
struct fd_query * fd_acc_create_query(struct fd_context *ctx, unsigned query_type);
void fd_acc_query_set_stage(struct fd_batch *batch, enum fd_render_stage stage);
void fd_acc_query_register_provider(struct pipe_context *pctx,
const struct fd_acc_sample_provider *provider);
#endif /* FREEDRENO_QUERY_ACC_H_ */
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