src/intel/vulkan/genX_blorp_exec.c

   1 /*
   2  * Copyright © 2016 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25
  26 #include "anv_private.h"
  27
  28 /* These are defined in anv_private.h and blorp_genX_exec.h */
  29 #undef __gen_address_type
  30 #undef __gen_user_data
  31 #undef __gen_combine_address
  32
  33 #include "common/gen_l3_config.h"
  34 #include "common/gen_sample_positions.h"
  35 #include "blorp/blorp_genX_exec.h"
  36
  37 static void *
  38 blorp_emit_dwords(struct blorp_batch *batch, unsigned n)
  39 {
  40    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
  41    return anv_batch_emit_dwords(&cmd_buffer->batch, n);
  42 }
  43
  44 static uint64_t
  45 blorp_emit_reloc(struct blorp_batch *batch,
  46                  void *location, struct blorp_address address, uint32_t delta)
  47 {
  48    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
  49    assert(cmd_buffer->batch.start <= location &&
  50           location < cmd_buffer->batch.end);
  51    return anv_batch_emit_reloc(&cmd_buffer->batch, location,
  52                                address.buffer, address.offset + delta);
  53 }
  54
  55 static void
  56 blorp_surface_reloc(struct blorp_batch *batch, uint32_t ss_offset,
  57                     struct blorp_address address, uint32_t delta)
  58 {
  59    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
  60    VkResult result =
  61       anv_reloc_list_add(&cmd_buffer->surface_relocs, &cmd_buffer->pool->alloc,
  62                          ss_offset, address.buffer, address.offset + delta);
  63    if (result != VK_SUCCESS)
  64       anv_batch_set_error(&cmd_buffer->batch, result);
  65 }
  66
  67 static void *
  68 blorp_alloc_dynamic_state(struct blorp_batch *batch,
  69                           uint32_t size,
  70                           uint32_t alignment,
  71                           uint32_t *offset)
  72 {
  73    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
  74
  75    struct anv_state state =
  76       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, size, alignment);
  77
  78    *offset = state.offset;
  79    return state.map;
  80 }
  81
  82 static void
  83 blorp_alloc_binding_table(struct blorp_batch *batch, unsigned num_entries,
  84                           unsigned state_size, unsigned state_alignment,
  85                           uint32_t *bt_offset,
  86                           uint32_t *surface_offsets, void **surface_maps)
  87 {
  88    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
  89
  90    uint32_t state_offset;
  91    struct anv_state bt_state;
  92
  93    VkResult result =
  94       anv_cmd_buffer_alloc_blorp_binding_table(cmd_buffer, num_entries,
  95                                                &state_offset, &bt_state);
  96    if (result != VK_SUCCESS)
  97       return;
  98
  99    uint32_t *bt_map = bt_state.map;
 100    *bt_offset = bt_state.offset;
 101
 102    for (unsigned i = 0; i < num_entries; i++) {
 103       struct anv_state surface_state =
 104          anv_cmd_buffer_alloc_surface_state(cmd_buffer);
 105       bt_map[i] = surface_state.offset + state_offset;
 106       surface_offsets[i] = surface_state.offset;
 107       surface_maps[i] = surface_state.map;
 108    }
 109
 110    anv_state_flush(cmd_buffer->device, bt_state);
 111 }
 112
 113 static void *
 114 blorp_alloc_vertex_buffer(struct blorp_batch *batch, uint32_t size,
 115                           struct blorp_address *addr)
 116 {
 117    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 118
 119    /* From the Skylake PRM, 3DSTATE_VERTEX_BUFFERS:
 120     *
 121     *    "The VF cache needs to be invalidated before binding and then using
 122     *    Vertex Buffers that overlap with any previously bound Vertex Buffer
 123     *    (at a 64B granularity) since the last invalidation.  A VF cache
 124     *    invalidate is performed by setting the "VF Cache Invalidation Enable"
 125     *    bit in PIPE_CONTROL."
 126     *
 127     * This restriction first appears in the Skylake PRM but the internal docs
 128     * also list it as being an issue on Broadwell.  In order to avoid this
 129     * problem, we align all vertex buffer allocations to 64 bytes.
 130     */
 131    struct anv_state vb_state =
 132       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, size, 64);
 133
 134    *addr = (struct blorp_address) {
 135       .buffer = &cmd_buffer->device->dynamic_state_pool.block_pool.bo,
 136       .offset = vb_state.offset,
 137    };
 138
 139    return vb_state.map;
 140 }
 141
 142 static void
 143 blorp_flush_range(struct blorp_batch *batch, void *start, size_t size)
 144 {
 145    struct anv_device *device = batch->blorp->driver_ctx;
 146    if (!device->info.has_llc)
 147       anv_flush_range(start, size);
 148 }
 149
 150 static void
 151 blorp_emit_urb_config(struct blorp_batch *batch,
 152                       unsigned vs_entry_size, unsigned sf_entry_size)
 153 {
 154    struct anv_device *device = batch->blorp->driver_ctx;
 155    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 156
 157    assert(sf_entry_size == 0);
 158
 159    const unsigned entry_size[4] = { vs_entry_size, 1, 1, 1 };
 160
 161    genX(emit_urb_setup)(device, &cmd_buffer->batch,
 162                         cmd_buffer->state.current_l3_config,
 163                         VK_SHADER_STAGE_VERTEX_BIT |
 164                         VK_SHADER_STAGE_FRAGMENT_BIT,
 165                         entry_size);
 166 }
 167
 168 void
 169 genX(blorp_exec)(struct blorp_batch *batch,
 170                  const struct blorp_params *params)
 171 {
 172    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 173
 174    if (!cmd_buffer->state.current_l3_config) {
 175       const struct gen_l3_config *cfg =
 176          gen_get_default_l3_config(&cmd_buffer->device->info);
 177       genX(cmd_buffer_config_l3)(cmd_buffer, cfg);
 178    }
 179
 180    genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
 181
 182    genX(flush_pipeline_select_3d)(cmd_buffer);
 183
 184    genX(cmd_buffer_emit_gen7_depth_flush)(cmd_buffer);
 185
 186    /* BLORP doesn't do anything fancy with depth such as discards, so we want
 187     * the PMA fix off.  Also, off is always the safe option.
 188     */
 189    genX(cmd_buffer_enable_pma_fix)(cmd_buffer, false);
 190
 191    /* Disable VF statistics */
 192    blorp_emit(batch, GENX(3DSTATE_VF_STATISTICS), vf) {
 193       vf.StatisticsEnable = false;
 194    }
 195
 196    blorp_exec(batch, params);
 197
 198    cmd_buffer->state.vb_dirty = ~0;
 199    cmd_buffer->state.dirty = ~0;
 200    cmd_buffer->state.push_constants_dirty = ~0;
 201 }