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         /* Context this fence is attached to. We need both ctx and batch, as
  51          * the batch will go away after it's been submitted, but the fence
  52          * will stay a bit longer.
  53          */
  54         struct panfrost_context *ctx;
  55
  56         /* Cached value of the signaled state to avoid calling WAIT_SYNCOBJs
  57          * when we know the fence has already been signaled.
  58          */
  59         bool signaled;
  60 };
  61
  62 #define PAN_REQ_MSAA            (1 << 0)
  63 #define PAN_REQ_DEPTH_WRITE     (1 << 1)
  64
  65 /* A panfrost_batch corresponds to a bound FBO we're rendering to,
  66  * collecting over multiple draws. */
  67
  68 struct panfrost_batch {
  69         struct panfrost_context *ctx;
  70         struct pipe_framebuffer_state key;
  71
  72         /* Buffers cleared (PIPE_CLEAR_* bitmask) */
  73         unsigned clear;
  74
  75         /* Buffers drawn */
  76         unsigned draws;
  77
  78         /* Packed clear values, indexed by both render target as well as word.
  79          * Essentially, a single pixel is packed, with some padding to bring it
  80          * up to a 32-bit interval; that pixel is then duplicated over to fill
  81          * all 16-bytes */
  82
  83         uint32_t clear_color[PIPE_MAX_COLOR_BUFS][4];
  84         float clear_depth;
  85         unsigned clear_stencil;
  86
  87         /* Amount of thread local storage required per thread */
  88         unsigned stack_size;
  89
  90         /* Amount of shared memory needed per workgroup (for compute) */
  91         unsigned shared_size;
  92
  93         /* Whether this job uses the corresponding requirement (PAN_REQ_*
  94          * bitmask) */
  95         unsigned requirements;
  96
  97         /* The bounding box covered by this job, taking scissors into account.
  98          * Basically, the bounding box we have to run fragment shaders for */
  99
 100         unsigned minx, miny;
 101         unsigned maxx, maxy;
 102
 103         /* BOs referenced not in the pool */
 104         struct hash_table *bos;
 105
 106         /* Pool owned by this batch (released when the batch is released) used for temporary descriptors */
 107         struct pan_pool pool;
 108
 109         /* Job scoreboarding state */
 110         struct pan_scoreboard scoreboard;
 111
 112         /* Polygon list bound to the batch, or NULL if none bound yet */
 113         struct panfrost_bo *polygon_list;
 114
 115         /* Scratchpad BO bound to the batch, or NULL if none bound yet */
 116         struct panfrost_bo *scratchpad;
 117
 118         /* Shared memory BO bound to the batch, or NULL if none bound yet */
 119         struct panfrost_bo *shared_memory;
 120
 121         /* Tiler heap BO bound to the batch, or NULL if none bound yet */
 122         struct panfrost_bo *tiler_heap;
 123
 124         /* Dummy tiler BO bound to the batch, or NULL if none bound yet */
 125         struct panfrost_bo *tiler_dummy;
 126
 127         /* Framebuffer descriptor. */
 128         struct panfrost_transfer framebuffer;
 129
 130         /* Bifrost tiler meta descriptor. */
 131         mali_ptr tiler_meta;
 132
 133         /* Output sync object. Only valid when submitted is true. */
 134         struct panfrost_batch_fence *out_sync;
 135
 136         /* Batch dependencies */
 137         struct util_dynarray dependencies;
 138 };
 139
 140 /* Functions for managing the above */
 141
 142 void
 143 panfrost_batch_fence_unreference(struct panfrost_batch_fence *fence);
 144
 145 void
 146 panfrost_batch_fence_reference(struct panfrost_batch_fence *batch);
 147
 148 struct panfrost_batch *
 149 panfrost_get_batch_for_fbo(struct panfrost_context *ctx);
 150
 151 struct panfrost_batch *
 152 panfrost_get_fresh_batch_for_fbo(struct panfrost_context *ctx);
 153
 154 void
 155 panfrost_batch_init(struct panfrost_context *ctx);
 156
 157 void
 158 panfrost_batch_add_bo(struct panfrost_batch *batch, struct panfrost_bo *bo,
 159                       uint32_t flags);
 160
 161 void panfrost_batch_add_fbo_bos(struct panfrost_batch *batch);
 162
 163 struct panfrost_bo *
 164 panfrost_batch_create_bo(struct panfrost_batch *batch, size_t size,
 165                          uint32_t create_flags, uint32_t access_flags);
 166
 167 void
 168 panfrost_flush_all_batches(struct panfrost_context *ctx, uint32_t out_sync);
 169
 170 bool
 171 panfrost_pending_batches_access_bo(struct panfrost_context *ctx,
 172                                    const struct panfrost_bo *bo);
 173
 174 void
 175 panfrost_flush_batches_accessing_bo(struct panfrost_context *ctx,
 176                                     struct panfrost_bo *bo, bool flush_readers);
 177
 178 void
 179 panfrost_batch_set_requirements(struct panfrost_batch *batch);
 180
 181 void
 182 panfrost_batch_adjust_stack_size(struct panfrost_batch *batch);
 183
 184 struct panfrost_bo *
 185 panfrost_batch_get_scratchpad(struct panfrost_batch *batch, unsigned shift, unsigned thread_tls_alloc, unsigned core_count);
 186
 187 struct panfrost_bo *
 188 panfrost_batch_get_shared_memory(struct panfrost_batch *batch, unsigned size, unsigned workgroup_count);
 189
 190 mali_ptr
 191 panfrost_batch_get_polygon_list(struct panfrost_batch *batch, unsigned size);
 192
 193 struct panfrost_bo *
 194 panfrost_batch_get_tiler_heap(struct panfrost_batch *batch);
 195
 196 struct panfrost_bo *
 197 panfrost_batch_get_tiler_dummy(struct panfrost_batch *batch);
 198
 199 void
 200 panfrost_batch_clear(struct panfrost_batch *batch,
 201                      unsigned buffers,
 202                      const union pipe_color_union *color,
 203                      double depth, unsigned stencil);
 204
 205 void
 206 panfrost_batch_union_scissor(struct panfrost_batch *batch,
 207                              unsigned minx, unsigned miny,
 208                              unsigned maxx, unsigned maxy);
 209
 210 void
 211 panfrost_batch_intersection_scissor(struct panfrost_batch *batch,
 212                                     unsigned minx, unsigned miny,
 213                                     unsigned maxx, unsigned maxy);
 214
 215 bool
 216 panfrost_batch_is_scanout(struct panfrost_batch *batch);
 217
 218 mali_ptr
 219 panfrost_batch_get_tiler_meta(struct panfrost_batch *batch, unsigned vertex_count);
 220
 221 mali_ptr
 222 panfrost_batch_reserve_framebuffer(struct panfrost_batch *batch);
 223
 224 #endif