src/gallium/drivers/panfrost/pan_job.h

   1 /*
   2  * Copyright (C) 2019 Alyssa Rosenzweig
   3  * Copyright (C) 2014-2017 Broadcom
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  */
  25
  26 #ifndef __PAN_JOB_H__
  27 #define __PAN_JOB_H__
  28
  29 /* Used as a hash table key */
  30
  31 struct panfrost_job_key {
  32         struct pipe_surface *cbufs[4];
  33         struct pipe_surface *zsbuf;
  34 };
  35
  36 #define PAN_REQ_MSAA            (1 << 0)
  37 #define PAN_REQ_DEPTH_WRITE     (1 << 1)
  38
  39 /* A panfrost_job corresponds to a bound FBO we're rendering to,
  40  * collecting over multiple draws. */
  41
  42 struct panfrost_job {
  43         struct panfrost_context *ctx;
  44         struct panfrost_job_key key;
  45
  46         /* Buffers cleared (PIPE_CLEAR_* bitmask) */
  47         unsigned clear;
  48
  49         /* Packed clear values */
  50         uint32_t clear_color;
  51         float clear_depth;
  52         unsigned clear_stencil;
  53
  54         /* Whether this job uses the corresponding requirement (PAN_REQ_*
  55          * bitmask) */
  56         unsigned requirements;
  57
  58         /* BOs referenced -- will be used for flushing logic */
  59         struct set *bos;
  60 };
  61
  62 /* Functions for managing the above */
  63
  64 struct panfrost_job *
  65 panfrost_create_job(struct panfrost_context *ctx);
  66
  67 void
  68 panfrost_free_job(struct panfrost_context *ctx, struct panfrost_job *job);
  69
  70 struct panfrost_job *
  71 panfrost_get_job(struct panfrost_context *ctx,
  72                 struct pipe_surface **cbufs, struct pipe_surface *zsbuf);
  73
  74 struct panfrost_job *
  75 panfrost_get_job_for_fbo(struct panfrost_context *ctx);
  76
  77 void
  78 panfrost_job_init(struct panfrost_context *ctx);
  79
  80 void
  81 panfrost_job_add_bo(struct panfrost_job *job, struct panfrost_bo *bo);
  82
  83 void
  84 panfrost_flush_jobs_writing_resource(struct panfrost_context *panfrost,
  85                                 struct pipe_resource *prsc);
  86
  87 void
  88 panfrost_flush_jobs_reading_resource(struct panfrost_context *panfrost,
  89                                 struct pipe_resource *prsc);
  90
  91 void
  92 panfrost_job_submit(struct panfrost_context *ctx, struct panfrost_job *job);
  93
  94 void
  95 panfrost_job_set_requirements(struct panfrost_context *ctx,
  96                          struct panfrost_job *job);
  97 #endif