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 #include "util/u_dynarray.h"
  30 #include "pipe/p_state.h"
  31 #include "pan_allocate.h"
  32 #include "pan_resource.h"
  33
  34 #define PAN_REQ_MSAA            (1 << 0)
  35 #define PAN_REQ_DEPTH_WRITE     (1 << 1)
  36
  37 /* A panfrost_batch corresponds to a bound FBO we're rendering to,
  38  * collecting over multiple draws. */
  39
  40 struct panfrost_batch {
  41         struct panfrost_context *ctx;
  42         struct pipe_framebuffer_state key;
  43
  44         /* Buffers cleared (PIPE_CLEAR_* bitmask) */
  45         unsigned clear;
  46
  47         /* Packed clear values, indexed by both render target as well as word.
  48          * Essentially, a single pixel is packed, with some padding to bring it
  49          * up to a 32-bit interval; that pixel is then duplicated over to fill
  50          * all 16-bytes */
  51
  52         uint32_t clear_color[PIPE_MAX_COLOR_BUFS][4];
  53         float clear_depth;
  54         unsigned clear_stencil;
  55
  56         /* Whether this job uses the corresponding requirement (PAN_REQ_*
  57          * bitmask) */
  58         unsigned requirements;
  59
  60         /* The bounding box covered by this job, taking scissors into account.
  61          * Basically, the bounding box we have to run fragment shaders for */
  62
  63         unsigned minx, miny;
  64         unsigned maxx, maxy;
  65
  66         /* CPU pointers to the job descriptor headers. next_job is only
  67          * set at submit time (since only then are all the dependencies
  68          * known). The upshot is that this is append-only.
  69          *
  70          * These arrays contain the headers for the "primary batch", our jargon
  71          * referring to the part of the panfrost_job that actually contains
  72          * meaningful work. In an OpenGL ES setting, that means the
  73          * SET_VALUE/VERTEX/TILER jobs. Excluded is specifically the FRAGMENT
  74          * job, which is sent on as a secondary batch containing only a single
  75          * hardware job. Since there's one and only one FRAGMENT job issued per
  76          * panfrost_job, there is no need to do any scoreboarding / management;
  77          * it's easy enough to open-code it and it's not like we can get any
  78          * better anyway. */
  79         struct util_dynarray headers;
  80
  81         /* (And the GPU versions; TODO maybe combine) */
  82         struct util_dynarray gpu_headers;
  83
  84         /* The last job in the primary batch */
  85         struct panfrost_transfer last_job;
  86
  87         /* The first/last tiler job */
  88         struct panfrost_transfer first_tiler;
  89         struct panfrost_transfer last_tiler;
  90
  91         /* The first vertex job used as the input to a tiler job */
  92         struct panfrost_transfer first_vertex_for_tiler;
  93
  94         /* The first job. Notice we've created a linked list */
  95         struct panfrost_transfer first_job;
  96
  97         /* The number of jobs in the primary batch, essentially */
  98         unsigned job_index;
  99
 100         /* BOs referenced -- will be used for flushing logic */
 101         struct set *bos;
 102
 103         /* Current transient BO */
 104         struct panfrost_bo *transient_bo;
 105
 106         /* Within the topmost transient BO, how much has been used? */
 107         unsigned transient_offset;
 108
 109         /* Polygon list bound to the batch, or NULL if none bound yet */
 110         struct panfrost_bo *polygon_list;
 111
 112         /* Framebuffer descriptor. */
 113         mali_ptr framebuffer;
 114 };
 115
 116 /* Functions for managing the above */
 117
 118 struct panfrost_batch *
 119 panfrost_create_batch(struct panfrost_context *ctx,
 120                       const struct pipe_framebuffer_state *key);
 121
 122 void
 123 panfrost_free_batch(struct panfrost_batch *batch);
 124
 125 struct panfrost_batch *
 126 panfrost_get_batch(struct panfrost_context *ctx,
 127                    const struct pipe_framebuffer_state *key);
 128
 129 struct panfrost_batch *
 130 panfrost_get_batch_for_fbo(struct panfrost_context *ctx);
 131
 132 void
 133 panfrost_batch_init(struct panfrost_context *ctx);
 134
 135 void
 136 panfrost_batch_add_bo(struct panfrost_batch *batch, struct panfrost_bo *bo);
 137
 138 void
 139 panfrost_batch_submit(struct panfrost_batch *batch);
 140
 141 void
 142 panfrost_batch_set_requirements(struct panfrost_batch *batch);
 143
 144 mali_ptr
 145 panfrost_batch_get_polygon_list(struct panfrost_batch *batch, unsigned size);
 146
 147 void
 148 panfrost_batch_clear(struct panfrost_batch *batch,
 149                      unsigned buffers,
 150                      const union pipe_color_union *color,
 151                      double depth, unsigned stencil);
 152
 153 void
 154 panfrost_batch_union_scissor(struct panfrost_batch *batch,
 155                              unsigned minx, unsigned miny,
 156                              unsigned maxx, unsigned maxy);
 157
 158 void
 159 panfrost_batch_intersection_scissor(struct panfrost_batch *batch,
 160                                     unsigned minx, unsigned miny,
 161                                     unsigned maxx, unsigned maxy);
 162
 163 /* Scoreboarding */
 164
 165 void
 166 panfrost_scoreboard_queue_compute_job(
 167         struct panfrost_batch *batch,
 168         struct panfrost_transfer job);
 169
 170 void
 171 panfrost_scoreboard_queue_vertex_job(
 172         struct panfrost_batch *batch,
 173         struct panfrost_transfer vertex,
 174         bool requires_tiling);
 175
 176 void
 177 panfrost_scoreboard_queue_tiler_job(
 178         struct panfrost_batch *batch,
 179         struct panfrost_transfer tiler);
 180
 181 void
 182 panfrost_scoreboard_queue_fused_job(
 183         struct panfrost_batch *batch,
 184         struct panfrost_transfer vertex,
 185         struct panfrost_transfer tiler);
 186 void
 187 panfrost_scoreboard_queue_fused_job_prepend(
 188         struct panfrost_batch *batch,
 189         struct panfrost_transfer vertex,
 190         struct panfrost_transfer tiler);
 191
 192 void
 193 panfrost_scoreboard_link_batch(struct panfrost_batch *batch);
 194
 195 bool
 196 panfrost_batch_is_scanout(struct panfrost_batch *batch);
 197
 198 #endif