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    uint64_t address_u64 = 0;
  61    VkResult result =
  62       anv_reloc_list_add(&cmd_buffer->surface_relocs, &cmd_buffer->pool->alloc,
  63                          ss_offset, address.buffer, address.offset + delta,
  64                          &address_u64);
  65    if (result != VK_SUCCESS)
  66       anv_batch_set_error(&cmd_buffer->batch, result);
  67
  68    void *dest = anv_block_pool_map(
  69       &cmd_buffer->device->surface_state_pool.block_pool, ss_offset);
  70    write_reloc(cmd_buffer->device, dest, address_u64, false);
  71 }
  72
  73 static uint64_t
  74 blorp_get_surface_address(struct blorp_batch *blorp_batch,
  75                           struct blorp_address address)
  76 {
  77    /* We'll let blorp_surface_reloc write the address. */
  78    return 0ull;
  79 }
  80
  81 #if GEN_GEN >= 7 && GEN_GEN < 10
  82 static struct blorp_address
  83 blorp_get_surface_base_address(struct blorp_batch *batch)
  84 {
  85    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
  86    return (struct blorp_address) {
  87       .buffer = cmd_buffer->device->surface_state_pool.block_pool.bo,
  88       .offset = 0,
  89    };
  90 }
  91 #endif
  92
  93 static void *
  94 blorp_alloc_dynamic_state(struct blorp_batch *batch,
  95                           uint32_t size,
  96                           uint32_t alignment,
  97                           uint32_t *offset)
  98 {
  99    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 100
 101    struct anv_state state =
 102       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, size, alignment);
 103
 104    *offset = state.offset;
 105    return state.map;
 106 }
 107
 108 static void
 109 blorp_alloc_binding_table(struct blorp_batch *batch, unsigned num_entries,
 110                           unsigned state_size, unsigned state_alignment,
 111                           uint32_t *bt_offset,
 112                           uint32_t *surface_offsets, void **surface_maps)
 113 {
 114    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 115
 116    uint32_t state_offset;
 117    struct anv_state bt_state;
 118
 119    VkResult result =
 120       anv_cmd_buffer_alloc_blorp_binding_table(cmd_buffer, num_entries,
 121                                                &state_offset, &bt_state);
 122    if (result != VK_SUCCESS)
 123       return;
 124
 125    uint32_t *bt_map = bt_state.map;
 126    *bt_offset = bt_state.offset;
 127
 128    for (unsigned i = 0; i < num_entries; i++) {
 129       struct anv_state surface_state =
 130          anv_cmd_buffer_alloc_surface_state(cmd_buffer);
 131       bt_map[i] = surface_state.offset + state_offset;
 132       surface_offsets[i] = surface_state.offset;
 133       surface_maps[i] = surface_state.map;
 134    }
 135 }
 136
 137 static void *
 138 blorp_alloc_vertex_buffer(struct blorp_batch *batch, uint32_t size,
 139                           struct blorp_address *addr)
 140 {
 141    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 142
 143    /* From the Skylake PRM, 3DSTATE_VERTEX_BUFFERS:
 144     *
 145     *    "The VF cache needs to be invalidated before binding and then using
 146     *    Vertex Buffers that overlap with any previously bound Vertex Buffer
 147     *    (at a 64B granularity) since the last invalidation.  A VF cache
 148     *    invalidate is performed by setting the "VF Cache Invalidation Enable"
 149     *    bit in PIPE_CONTROL."
 150     *
 151     * This restriction first appears in the Skylake PRM but the internal docs
 152     * also list it as being an issue on Broadwell.  In order to avoid this
 153     * problem, we align all vertex buffer allocations to 64 bytes.
 154     */
 155    struct anv_state vb_state =
 156       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, size, 64);
 157
 158    *addr = (struct blorp_address) {
 159       .buffer = cmd_buffer->device->dynamic_state_pool.block_pool.bo,
 160       .offset = vb_state.offset,
 161       .mocs = cmd_buffer->device->isl_dev.mocs.internal,
 162    };
 163
 164    return vb_state.map;
 165 }
 166
 167 static void
 168 blorp_vf_invalidate_for_vb_48b_transitions(struct blorp_batch *batch,
 169                                            const struct blorp_address *addrs,
 170                                            uint32_t *sizes,
 171                                            unsigned num_vbs)
 172 {
 173    /* anv forces all vertex buffers into the low 4GB so there are never any
 174     * transitions that require a VF invalidation.
 175     */
 176 }
 177
 178 #if GEN_GEN >= 8
 179 static struct blorp_address
 180 blorp_get_workaround_page(struct blorp_batch *batch)
 181 {
 182    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 183
 184    return (struct blorp_address) {
 185       .buffer = cmd_buffer->device->workaround_bo,
 186    };
 187 }
 188 #endif
 189
 190 static void
 191 blorp_flush_range(struct blorp_batch *batch, void *start, size_t size)
 192 {
 193    /* We don't need to flush states anymore, since everything will be snooped.
 194     */
 195 }
 196
 197 static void
 198 blorp_emit_urb_config(struct blorp_batch *batch,
 199                       unsigned vs_entry_size, unsigned sf_entry_size)
 200 {
 201    struct anv_device *device = batch->blorp->driver_ctx;
 202    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 203
 204    assert(sf_entry_size == 0);
 205
 206    const unsigned entry_size[4] = { vs_entry_size, 1, 1, 1 };
 207
 208    genX(emit_urb_setup)(device, &cmd_buffer->batch,
 209                         cmd_buffer->state.current_l3_config,
 210                         VK_SHADER_STAGE_VERTEX_BIT |
 211                         VK_SHADER_STAGE_FRAGMENT_BIT,
 212                         entry_size);
 213 }
 214
 215 void
 216 genX(blorp_exec)(struct blorp_batch *batch,
 217                  const struct blorp_params *params)
 218 {
 219    struct anv_cmd_buffer *cmd_buffer = batch->driver_batch;
 220
 221    if (!cmd_buffer->state.current_l3_config) {
 222       const struct gen_l3_config *cfg =
 223          gen_get_default_l3_config(&cmd_buffer->device->info);
 224       genX(cmd_buffer_config_l3)(cmd_buffer, cfg);
 225    }
 226
 227    const unsigned scale = params->fast_clear_op ? UINT_MAX : 1;
 228    genX(cmd_buffer_emit_hashing_mode)(cmd_buffer, params->x1 - params->x0,
 229                                       params->y1 - params->y0, scale);
 230
 231 #if GEN_GEN >= 11
 232    /* The PIPE_CONTROL command description says:
 233     *
 234     *    "Whenever a Binding Table Index (BTI) used by a Render Taget Message
 235     *     points to a different RENDER_SURFACE_STATE, SW must issue a Render
 236     *     Target Cache Flush by enabling this bit. When render target flush
 237     *     is set due to new association of BTI, PS Scoreboard Stall bit must
 238     *     be set in this packet."
 239     */
 240    cmd_buffer->state.pending_pipe_bits |=
 241       ANV_PIPE_RENDER_TARGET_CACHE_FLUSH_BIT |
 242       ANV_PIPE_STALL_AT_SCOREBOARD_BIT;
 243 #endif
 244
 245 #if GEN_GEN == 7
 246    /* The MI_LOAD/STORE_REGISTER_MEM commands which BLORP uses to implement
 247     * indirect fast-clear colors can cause GPU hangs if we don't stall first.
 248     * See genX(cmd_buffer_mi_memcpy) for more details.
 249     */
 250    if (params->src.clear_color_addr.buffer ||
 251        params->dst.clear_color_addr.buffer)
 252       cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_CS_STALL_BIT;
 253 #endif
 254
 255    genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
 256
 257    genX(flush_pipeline_select_3d)(cmd_buffer);
 258
 259 #if GEN_GEN >= 12
 260    genX(cmd_buffer_aux_map_state)(cmd_buffer);
 261 #endif
 262
 263    genX(cmd_buffer_emit_gen7_depth_flush)(cmd_buffer);
 264
 265    /* BLORP doesn't do anything fancy with depth such as discards, so we want
 266     * the PMA fix off.  Also, off is always the safe option.
 267     */
 268    genX(cmd_buffer_enable_pma_fix)(cmd_buffer, false);
 269
 270    blorp_exec(batch, params);
 271
 272    cmd_buffer->state.gfx.vb_dirty = ~0;
 273    cmd_buffer->state.gfx.dirty = ~0;
 274    cmd_buffer->state.push_constants_dirty = ~0;
 275 }