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/*
* Copyright (C) 2019 Alyssa Rosenzweig
* Copyright (C) 2014-2017 Broadcom
*
* 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.
*
*/
#include "pan_context.h"
#include "util/hash_table.h"
#include "util/ralloc.h"
struct panfrost_job *
panfrost_create_job(struct panfrost_context *ctx)
{
struct panfrost_job *job = rzalloc(NULL, struct panfrost_job);
job->ctx = ctx;
job->bos = _mesa_set_create(job,
_mesa_hash_pointer,
_mesa_key_pointer_equal);
return job;
}
void
panfrost_free_job(struct panfrost_context *ctx, struct panfrost_job *job)
{
if (!job)
return;
set_foreach(job->bos, entry) {
struct panfrost_bo *bo = (struct panfrost_bo *)entry->key;
panfrost_bo_unreference(ctx->base.screen, bo);
}
_mesa_hash_table_remove_key(ctx->jobs, &job->key);
if (ctx->job == job)
ctx->job = NULL;
ralloc_free(job);
}
struct panfrost_job *
panfrost_get_job(struct panfrost_context *ctx,
struct pipe_surface **cbufs, struct pipe_surface *zsbuf)
{
/* Lookup the job first */
struct panfrost_job_key key = {
.cbufs = {
cbufs[0],
cbufs[1],
cbufs[2],
cbufs[3],
},
.zsbuf = zsbuf
};
struct hash_entry *entry = _mesa_hash_table_search(ctx->jobs, &key);
if (entry)
return entry->data;
/* Otherwise, let's create a job */
struct panfrost_job *job = panfrost_create_job(ctx);
/* Save the created job */
memcpy(&job->key, &key, sizeof(key));
_mesa_hash_table_insert(ctx->jobs, &job->key, job);
return job;
}
/* Get the job corresponding to the FBO we're currently rendering into */
struct panfrost_job *
panfrost_get_job_for_fbo(struct panfrost_context *ctx)
{
/* If we already began rendering, use that */
if (ctx->job)
return ctx->job;
/* If not, look up the job */
struct pipe_surface **cbufs = ctx->pipe_framebuffer.cbufs;
struct pipe_surface *zsbuf = ctx->pipe_framebuffer.zsbuf;
struct panfrost_job *job = panfrost_get_job(ctx, cbufs, zsbuf);
return job;
}
void
panfrost_job_add_bo(struct panfrost_job *job, struct panfrost_bo *bo)
{
if (!bo)
return;
if (_mesa_set_search(job->bos, bo))
return;
panfrost_bo_reference(bo);
_mesa_set_add(job->bos, bo);
}
void
panfrost_flush_jobs_writing_resource(struct panfrost_context *panfrost,
struct pipe_resource *prsc)
{
#if 0
struct hash_entry *entry = _mesa_hash_table_search(panfrost->write_jobs,
prsc);
if (entry) {
struct panfrost_job *job = entry->data;
panfrost_job_submit(panfrost, job);
}
#endif
/* TODO stub */
}
void
panfrost_flush_jobs_reading_resource(struct panfrost_context *panfrost,
struct pipe_resource *prsc)
{
struct panfrost_resource *rsc = pan_resource(prsc);
panfrost_flush_jobs_writing_resource(panfrost, prsc);
hash_table_foreach(panfrost->jobs, entry) {
struct panfrost_job *job = entry->data;
if (_mesa_set_search(job->bos, rsc->bo)) {
printf("TODO: submit job for flush\n");
//panfrost_job_submit(panfrost, job);
continue;
}
}
}
static bool
panfrost_job_compare(const void *a, const void *b)
{
return memcmp(a, b, sizeof(struct panfrost_job_key)) == 0;
}
static uint32_t
panfrost_job_hash(const void *key)
{
return _mesa_hash_data(key, sizeof(struct panfrost_job_key));
}
void
panfrost_job_init(struct panfrost_context *ctx)
{
/* TODO: Don't leak */
ctx->jobs = _mesa_hash_table_create(NULL,
panfrost_job_hash,
panfrost_job_compare);
ctx->write_jobs = _mesa_hash_table_create(NULL,
_mesa_hash_pointer,
_mesa_key_pointer_equal);
}
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