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_pool.h"
  32 #include "pan_resource.h"
  33 #include "pan_scoreboard.h"
  34
  35 /* panfrost_batch_fence is the out fence of a batch that users or other batches
  36  * might want to wait on. The batch fence lifetime is different from the batch
  37  * one as want will certainly want to wait upon the fence after the batch has
  38  * been submitted (which is when panfrost_batch objects are freed).
  39  */
  40 struct panfrost_batch_fence {
  41         /* Refcounting object for the fence. */
  42         struct pipe_reference reference;
  43
  44         /* Batch that created this fence object. Will become NULL at batch
  45          * submission time. This field is mainly here to know whether the
  46          * batch has been flushed or not.
  47          */
  48         struct panfrost_batch *batch;
  49 };
  50
  51 #define PAN_REQ_MSAA            (1 << 0)
  52 #define PAN_REQ_DEPTH_WRITE     (1 << 1)
  53
  54 /* A panfrost_batch corresponds to a bound FBO we're rendering to,
  55  * collecting over multiple draws. */
  56
  57 struct panfrost_batch {
  58         struct panfrost_context *ctx;
  59         struct pipe_framebuffer_state key;
  60
  61         /* Buffers cleared (PIPE_CLEAR_* bitmask) */
  62         unsigned clear;
  63
  64         /* Buffers drawn */
  65         unsigned draws;
  66
  67         /* Packed clear values, indexed by both render target as well as word.
  68          * Essentially, a single pixel is packed, with some padding to bring it
  69          * up to a 32-bit interval; that pixel is then duplicated over to fill
  70          * all 16-bytes */
  71
  72         uint32_t clear_color[PIPE_MAX_COLOR_BUFS][4];
  73         float clear_depth;
  74         unsigned clear_stencil;
  75
  76         /* Amount of thread local storage required per thread */
  77         unsigned stack_size;
  78
  79         /* Amount of shared memory needed per workgroup (for compute) */
  80         unsigned shared_size;
  81
  82         /* Whether this job uses the corresponding requirement (PAN_REQ_*
  83          * bitmask) */
  84         unsigned requirements;
  85
  86         /* The bounding box covered by this job, taking scissors into account.
  87          * Basically, the bounding box we have to run fragment shaders for */
  88
  89         unsigned minx, miny;
  90         unsigned maxx, maxy;
  91
  92         /* BOs referenced not in the pool */
  93         struct hash_table *bos;
  94
  95         /* Pool owned by this batch (released when the batch is released) used for temporary descriptors */
  96         struct pan_pool pool;
  97
  98         /* Job scoreboarding state */
  99         struct pan_scoreboard scoreboard;
 100
 101         /* Polygon list bound to the batch, or NULL if none bound yet */
 102         struct panfrost_bo *polygon_list;
 103
 104         /* Scratchpad BO bound to the batch, or NULL if none bound yet */
 105         struct panfrost_bo *scratchpad;
 106
 107         /* Shared memory BO bound to the batch, or NULL if none bound yet */
 108         struct panfrost_bo *shared_memory;
 109
 110         /* Tiler heap BO bound to the batch, or NULL if none bound yet */
 111         struct panfrost_bo *tiler_heap;
 112
 113         /* Dummy tiler BO bound to the batch, or NULL if none bound yet */
 114         struct panfrost_bo *tiler_dummy;
 115
 116         /* Framebuffer descriptor. */
 117         struct panfrost_transfer framebuffer;
 118
 119         /* Bifrost tiler meta descriptor. */
 120         mali_ptr tiler_meta;
 121
 122         /* Output sync object. Only valid when submitted is true. */
 123         struct panfrost_batch_fence *out_sync;
 124
 125         /* Batch dependencies */
 126         struct util_dynarray dependencies;
 127 };
 128
 129 /* Functions for managing the above */
 130
 131 void
 132 panfrost_batch_fence_unreference(struct panfrost_batch_fence *fence);
 133
 134 void
 135 panfrost_batch_fence_reference(struct panfrost_batch_fence *batch);
 136
 137 struct panfrost_batch *
 138 panfrost_get_batch_for_fbo(struct panfrost_context *ctx);
 139
 140 struct panfrost_batch *
 141 panfrost_get_fresh_batch_for_fbo(struct panfrost_context *ctx);
 142
 143 void
 144 panfrost_batch_init(struct panfrost_context *ctx);
 145
 146 void
 147 panfrost_batch_add_bo(struct panfrost_batch *batch, struct panfrost_bo *bo,
 148                       uint32_t flags);
 149
 150 void panfrost_batch_add_fbo_bos(struct panfrost_batch *batch);
 151
 152 struct panfrost_bo *
 153 panfrost_batch_create_bo(struct panfrost_batch *batch, size_t size,
 154                          uint32_t create_flags, uint32_t access_flags);
 155
 156 void
 157 panfrost_flush_all_batches(struct panfrost_context *ctx, uint32_t out_sync);
 158
 159 bool
 160 panfrost_pending_batches_access_bo(struct panfrost_context *ctx,
 161                                    const struct panfrost_bo *bo);
 162
 163 void
 164 panfrost_flush_batches_accessing_bo(struct panfrost_context *ctx,
 165                                     struct panfrost_bo *bo, bool flush_readers);
 166
 167 void
 168 panfrost_batch_set_requirements(struct panfrost_batch *batch);
 169
 170 void
 171 panfrost_batch_adjust_stack_size(struct panfrost_batch *batch);
 172
 173 struct panfrost_bo *
 174 panfrost_batch_get_scratchpad(struct panfrost_batch *batch, unsigned shift, unsigned thread_tls_alloc, unsigned core_count);
 175
 176 struct panfrost_bo *
 177 panfrost_batch_get_shared_memory(struct panfrost_batch *batch, unsigned size, unsigned workgroup_count);
 178
 179 mali_ptr
 180 panfrost_batch_get_polygon_list(struct panfrost_batch *batch, unsigned size);
 181
 182 struct panfrost_bo *
 183 panfrost_batch_get_tiler_heap(struct panfrost_batch *batch);
 184
 185 struct panfrost_bo *
 186 panfrost_batch_get_tiler_dummy(struct panfrost_batch *batch);
 187
 188 void
 189 panfrost_batch_clear(struct panfrost_batch *batch,
 190                      unsigned buffers,
 191                      const union pipe_color_union *color,
 192                      double depth, unsigned stencil);
 193
 194 void
 195 panfrost_batch_union_scissor(struct panfrost_batch *batch,
 196                              unsigned minx, unsigned miny,
 197                              unsigned maxx, unsigned maxy);
 198
 199 void
 200 panfrost_batch_intersection_scissor(struct panfrost_batch *batch,
 201                                     unsigned minx, unsigned miny,
 202                                     unsigned maxx, unsigned maxy);
 203
 204 bool
 205 panfrost_batch_is_scanout(struct panfrost_batch *batch);
 206
 207 mali_ptr
 208 panfrost_batch_get_tiler_meta(struct panfrost_batch *batch, unsigned vertex_count);
 209
 210 mali_ptr
 211 panfrost_batch_reserve_framebuffer(struct panfrost_batch *batch);
 212
 213 #endif