src/vulkan/gen8_cmd_buffer.c

   1 /*
   2  * Copyright © 2015 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 #include <stdbool.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include "anv_private.h"
  31
  32 #include "gen8_pack.h"
  33 #include "gen9_pack.h"
  34
  35 static uint32_t
  36 cmd_buffer_flush_push_constants(struct anv_cmd_buffer *cmd_buffer)
  37 {
  38    static const uint32_t push_constant_opcodes[] = {
  39       [MESA_SHADER_VERTEX]                      = 21,
  40       [MESA_SHADER_TESS_CTRL]                   = 25, /* HS */
  41       [MESA_SHADER_TESS_EVAL]                   = 26, /* DS */
  42       [MESA_SHADER_GEOMETRY]                    = 22,
  43       [MESA_SHADER_FRAGMENT]                    = 23,
  44       [MESA_SHADER_COMPUTE]                     = 0,
  45    };
  46
  47    VkShaderStageFlags flushed = 0;
  48
  49    anv_foreach_stage(stage, cmd_buffer->state.push_constants_dirty) {
  50       if (stage == MESA_SHADER_COMPUTE)
  51          continue;
  52
  53       struct anv_state state = anv_cmd_buffer_push_constants(cmd_buffer, stage);
  54
  55       if (state.offset == 0)
  56          continue;
  57
  58       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_CONSTANT_VS),
  59                      ._3DCommandSubOpcode = push_constant_opcodes[stage],
  60                      .ConstantBody = {
  61                         .PointerToConstantBuffer2 = { &cmd_buffer->device->dynamic_state_block_pool.bo, state.offset },
  62                         .ConstantBuffer2ReadLength = DIV_ROUND_UP(state.alloc_size, 32),
  63                      });
  64
  65       flushed |= mesa_to_vk_shader_stage(stage);
  66    }
  67
  68    cmd_buffer->state.push_constants_dirty &= ~flushed;
  69
  70    return flushed;
  71 }
  72
  73 #if ANV_GEN == 8
  74 static void
  75 emit_viewport_state(struct anv_cmd_buffer *cmd_buffer,
  76                     uint32_t count, const VkViewport *viewports)
  77 {
  78    struct anv_state sf_clip_state =
  79       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, count * 64, 64);
  80    struct anv_state cc_state =
  81       anv_cmd_buffer_alloc_dynamic_state(cmd_buffer, count * 8, 32);
  82
  83    for (uint32_t i = 0; i < count; i++) {
  84       const VkViewport *vp = &viewports[i];
  85
  86       /* The gen7 state struct has just the matrix and guardband fields, the
  87        * gen8 struct adds the min/max viewport fields. */
  88       struct GENX(SF_CLIP_VIEWPORT) sf_clip_viewport = {
  89          .ViewportMatrixElementm00 = vp->width / 2,
  90          .ViewportMatrixElementm11 = vp->height / 2,
  91          .ViewportMatrixElementm22 = 1.0,
  92          .ViewportMatrixElementm30 = vp->x + vp->width / 2,
  93          .ViewportMatrixElementm31 = vp->y + vp->height / 2,
  94          .ViewportMatrixElementm32 = 0.0,
  95          .XMinClipGuardband = -1.0f,
  96          .XMaxClipGuardband = 1.0f,
  97          .YMinClipGuardband = -1.0f,
  98          .YMaxClipGuardband = 1.0f,
  99          .XMinViewPort = vp->x,
 100          .XMaxViewPort = vp->x + vp->width - 1,
 101          .YMinViewPort = vp->y,
 102          .YMaxViewPort = vp->y + vp->height - 1,
 103       };
 104
 105       struct GENX(CC_VIEWPORT) cc_viewport = {
 106          .MinimumDepth = vp->minDepth,
 107          .MaximumDepth = vp->maxDepth
 108       };
 109
 110       GENX(SF_CLIP_VIEWPORT_pack)(NULL, sf_clip_state.map + i * 64,
 111                                  &sf_clip_viewport);
 112       GENX(CC_VIEWPORT_pack)(NULL, cc_state.map + i * 8, &cc_viewport);
 113    }
 114
 115    if (!cmd_buffer->device->info.has_llc) {
 116       anv_state_clflush(sf_clip_state);
 117       anv_state_clflush(cc_state);
 118    }
 119
 120    anv_batch_emit(&cmd_buffer->batch,
 121                   GENX(3DSTATE_VIEWPORT_STATE_POINTERS_CC),
 122                   .CCViewportPointer = cc_state.offset);
 123    anv_batch_emit(&cmd_buffer->batch,
 124                   GENX(3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP),
 125                   .SFClipViewportPointer = sf_clip_state.offset);
 126 }
 127
 128 void
 129 gen8_cmd_buffer_emit_viewport(struct anv_cmd_buffer *cmd_buffer)
 130 {
 131    if (cmd_buffer->state.dynamic.viewport.count > 0) {
 132       emit_viewport_state(cmd_buffer, cmd_buffer->state.dynamic.viewport.count,
 133                           cmd_buffer->state.dynamic.viewport.viewports);
 134    } else {
 135       /* If viewport count is 0, this is taken to mean "use the default" */
 136       emit_viewport_state(cmd_buffer, 1,
 137                           &(VkViewport) {
 138                              .x = 0.0f,
 139                              .y = 0.0f,
 140                              .width = cmd_buffer->state.framebuffer->width,
 141                              .height = cmd_buffer->state.framebuffer->height,
 142                              .minDepth = 0.0f,
 143                              .maxDepth = 1.0f,
 144                           });
 145    }
 146 }
 147 #endif
 148
 149 static void
 150 emit_lri(struct anv_batch *batch, uint32_t reg, uint32_t imm)
 151 {
 152    anv_batch_emit(batch, GENX(MI_LOAD_REGISTER_IMM),
 153                   .RegisterOffset = reg,
 154                   .DataDWord = imm);
 155 }
 156
 157 #define GEN8_L3CNTLREG                  0x7034
 158
 159 static void
 160 config_l3(struct anv_cmd_buffer *cmd_buffer, bool enable_slm)
 161 {
 162    /* References for GL state:
 163     *
 164     * - commits e307cfa..228d5a3
 165     * - src/mesa/drivers/dri/i965/gen7_l3_state.c
 166     */
 167
 168    uint32_t val = enable_slm ?
 169       /* All = 48 ways; URB = 16 ways; DC and RO = 0, SLM = 1 */
 170       0x60000021 :
 171       /* All = 48 ways; URB = 48 ways; DC, RO and SLM = 0 */
 172       0x60000060;
 173    bool changed = cmd_buffer->state.current_l3_config != val;
 174
 175    if (changed) {
 176       /* According to the hardware docs, the L3 partitioning can only be changed
 177        * while the pipeline is completely drained and the caches are flushed,
 178        * which involves a first PIPE_CONTROL flush which stalls the pipeline and
 179        * initiates invalidation of the relevant caches...
 180        */
 181       anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 182                      .TextureCacheInvalidationEnable = true,
 183                      .ConstantCacheInvalidationEnable = true,
 184                      .InstructionCacheInvalidateEnable = true,
 185                      .DCFlushEnable = true,
 186                      .PostSyncOperation = NoWrite,
 187                      .CommandStreamerStallEnable = true);
 188
 189       /* ...followed by a second stalling flush which guarantees that
 190        * invalidation is complete when the L3 configuration registers are
 191        * modified.
 192        */
 193       anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 194                      .DCFlushEnable = true,
 195                      .PostSyncOperation = NoWrite,
 196                      .CommandStreamerStallEnable = true);
 197
 198       emit_lri(&cmd_buffer->batch, GEN8_L3CNTLREG, val);
 199       cmd_buffer->state.current_l3_config = val;
 200    }
 201 }
 202
 203 static void
 204 __emit_genx_sf_state(struct anv_cmd_buffer *cmd_buffer)
 205 {
 206       uint32_t sf_dw[GENX(3DSTATE_SF_length)];
 207       struct GENX(3DSTATE_SF) sf = {
 208          GENX(3DSTATE_SF_header),
 209          .LineWidth = cmd_buffer->state.dynamic.line_width,
 210       };
 211       GENX(3DSTATE_SF_pack)(NULL, sf_dw, &sf);
 212       /* FIXME: gen9.fs */
 213       anv_batch_emit_merge(&cmd_buffer->batch, sf_dw,
 214                            cmd_buffer->state.pipeline->gen8.sf);
 215 }
 216 static void
 217 __emit_gen9_sf_state(struct anv_cmd_buffer *cmd_buffer)
 218 {
 219       uint32_t sf_dw[GENX(3DSTATE_SF_length)];
 220       struct GEN9_3DSTATE_SF sf = {
 221          GEN9_3DSTATE_SF_header,
 222          .LineWidth = cmd_buffer->state.dynamic.line_width,
 223       };
 224       GEN9_3DSTATE_SF_pack(NULL, sf_dw, &sf);
 225       /* FIXME: gen9.fs */
 226       anv_batch_emit_merge(&cmd_buffer->batch, sf_dw,
 227                            cmd_buffer->state.pipeline->gen8.sf);
 228 }
 229
 230 static void
 231 __emit_sf_state(struct anv_cmd_buffer *cmd_buffer)
 232 {
 233    if (cmd_buffer->device->info.is_cherryview)
 234       __emit_gen9_sf_state(cmd_buffer);
 235    else
 236       __emit_genx_sf_state(cmd_buffer);
 237 }
 238
 239 void
 240 genX(cmd_buffer_flush_state)(struct anv_cmd_buffer *cmd_buffer)
 241 {
 242    struct anv_pipeline *pipeline = cmd_buffer->state.pipeline;
 243    uint32_t *p;
 244
 245    uint32_t vb_emit = cmd_buffer->state.vb_dirty & pipeline->vb_used;
 246
 247    assert((pipeline->active_stages & VK_SHADER_STAGE_COMPUTE_BIT) == 0);
 248
 249    config_l3(cmd_buffer, false);
 250
 251    genX(flush_pipeline_select_3d)(cmd_buffer);
 252
 253    if (vb_emit) {
 254       const uint32_t num_buffers = __builtin_popcount(vb_emit);
 255       const uint32_t num_dwords = 1 + num_buffers * 4;
 256
 257       p = anv_batch_emitn(&cmd_buffer->batch, num_dwords,
 258                           GENX(3DSTATE_VERTEX_BUFFERS));
 259       uint32_t vb, i = 0;
 260       for_each_bit(vb, vb_emit) {
 261          struct anv_buffer *buffer = cmd_buffer->state.vertex_bindings[vb].buffer;
 262          uint32_t offset = cmd_buffer->state.vertex_bindings[vb].offset;
 263
 264          struct GENX(VERTEX_BUFFER_STATE) state = {
 265             .VertexBufferIndex = vb,
 266             .MemoryObjectControlState = GENX(MOCS),
 267             .AddressModifyEnable = true,
 268             .BufferPitch = pipeline->binding_stride[vb],
 269             .BufferStartingAddress = { buffer->bo, buffer->offset + offset },
 270             .BufferSize = buffer->size - offset
 271          };
 272
 273          GENX(VERTEX_BUFFER_STATE_pack)(&cmd_buffer->batch, &p[1 + i * 4], &state);
 274          i++;
 275       }
 276    }
 277
 278    if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_PIPELINE) {
 279       /* If somebody compiled a pipeline after starting a command buffer the
 280        * scratch bo may have grown since we started this cmd buffer (and
 281        * emitted STATE_BASE_ADDRESS).  If we're binding that pipeline now,
 282        * reemit STATE_BASE_ADDRESS so that we use the bigger scratch bo. */
 283       if (cmd_buffer->state.scratch_size < pipeline->total_scratch)
 284          anv_cmd_buffer_emit_state_base_address(cmd_buffer);
 285
 286       anv_batch_emit_batch(&cmd_buffer->batch, &pipeline->batch);
 287    }
 288
 289    /* We emit the binding tables and sampler tables first, then emit push
 290     * constants and then finally emit binding table and sampler table
 291     * pointers.  It has to happen in this order, since emitting the binding
 292     * tables may change the push constants (in case of storage images). After
 293     * emitting push constants, on SKL+ we have to emit the corresponding
 294     * 3DSTATE_BINDING_TABLE_POINTER_* for the push constants to take effect.
 295     */
 296    uint32_t dirty = 0;
 297    if (cmd_buffer->state.descriptors_dirty)
 298       dirty = gen7_cmd_buffer_flush_descriptor_sets(cmd_buffer);
 299
 300    if (cmd_buffer->state.push_constants_dirty)
 301       dirty |= cmd_buffer_flush_push_constants(cmd_buffer);
 302
 303    if (dirty)
 304       gen7_cmd_buffer_emit_descriptor_pointers(cmd_buffer, dirty);
 305
 306    if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_DYNAMIC_VIEWPORT)
 307       gen8_cmd_buffer_emit_viewport(cmd_buffer);
 308
 309    if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_DYNAMIC_SCISSOR)
 310       gen7_cmd_buffer_emit_scissor(cmd_buffer);
 311
 312    if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_PIPELINE |
 313                                   ANV_CMD_DIRTY_DYNAMIC_LINE_WIDTH)) {
 314       __emit_sf_state(cmd_buffer);
 315    }
 316
 317    if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_PIPELINE |
 318                                   ANV_CMD_DIRTY_DYNAMIC_DEPTH_BIAS)){
 319       bool enable_bias = cmd_buffer->state.dynamic.depth_bias.bias != 0.0f ||
 320          cmd_buffer->state.dynamic.depth_bias.slope != 0.0f;
 321
 322       uint32_t raster_dw[GENX(3DSTATE_RASTER_length)];
 323       struct GENX(3DSTATE_RASTER) raster = {
 324          GENX(3DSTATE_RASTER_header),
 325          .GlobalDepthOffsetEnableSolid = enable_bias,
 326          .GlobalDepthOffsetEnableWireframe = enable_bias,
 327          .GlobalDepthOffsetEnablePoint = enable_bias,
 328          .GlobalDepthOffsetConstant = cmd_buffer->state.dynamic.depth_bias.bias,
 329          .GlobalDepthOffsetScale = cmd_buffer->state.dynamic.depth_bias.slope,
 330          .GlobalDepthOffsetClamp = cmd_buffer->state.dynamic.depth_bias.clamp
 331       };
 332       GENX(3DSTATE_RASTER_pack)(NULL, raster_dw, &raster);
 333       anv_batch_emit_merge(&cmd_buffer->batch, raster_dw,
 334                            pipeline->gen8.raster);
 335    }
 336
 337    /* Stencil reference values moved from COLOR_CALC_STATE in gen8 to
 338     * 3DSTATE_WM_DEPTH_STENCIL in gen9. That means the dirty bits gets split
 339     * across different state packets for gen8 and gen9. We handle that by
 340     * using a big old #if switch here.
 341     */
 342 #if ANV_GEN == 8
 343    if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_DYNAMIC_BLEND_CONSTANTS |
 344                                   ANV_CMD_DIRTY_DYNAMIC_STENCIL_REFERENCE)) {
 345       struct anv_state cc_state =
 346          anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
 347                                             GEN8_COLOR_CALC_STATE_length * 4,
 348                                             64);
 349       struct GEN8_COLOR_CALC_STATE cc = {
 350          .BlendConstantColorRed = cmd_buffer->state.dynamic.blend_constants[0],
 351          .BlendConstantColorGreen = cmd_buffer->state.dynamic.blend_constants[1],
 352          .BlendConstantColorBlue = cmd_buffer->state.dynamic.blend_constants[2],
 353          .BlendConstantColorAlpha = cmd_buffer->state.dynamic.blend_constants[3],
 354          .StencilReferenceValue =
 355             cmd_buffer->state.dynamic.stencil_reference.front,
 356          .BackFaceStencilReferenceValue =
 357             cmd_buffer->state.dynamic.stencil_reference.back,
 358       };
 359       GEN8_COLOR_CALC_STATE_pack(NULL, cc_state.map, &cc);
 360
 361       if (!cmd_buffer->device->info.has_llc)
 362          anv_state_clflush(cc_state);
 363
 364       anv_batch_emit(&cmd_buffer->batch,
 365                      GEN8_3DSTATE_CC_STATE_POINTERS,
 366                      .ColorCalcStatePointer = cc_state.offset,
 367                      .ColorCalcStatePointerValid = true);
 368    }
 369
 370    if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_PIPELINE |
 371                                   ANV_CMD_DIRTY_DYNAMIC_STENCIL_COMPARE_MASK |
 372                                   ANV_CMD_DIRTY_DYNAMIC_STENCIL_WRITE_MASK)) {
 373       uint32_t wm_depth_stencil_dw[GEN8_3DSTATE_WM_DEPTH_STENCIL_length];
 374
 375       struct GEN8_3DSTATE_WM_DEPTH_STENCIL wm_depth_stencil = {
 376          GEN8_3DSTATE_WM_DEPTH_STENCIL_header,
 377
 378          /* Is this what we need to do? */
 379          .StencilBufferWriteEnable =
 380             cmd_buffer->state.dynamic.stencil_write_mask.front != 0,
 381
 382          .StencilTestMask =
 383             cmd_buffer->state.dynamic.stencil_compare_mask.front & 0xff,
 384          .StencilWriteMask =
 385             cmd_buffer->state.dynamic.stencil_write_mask.front & 0xff,
 386
 387          .BackfaceStencilTestMask =
 388             cmd_buffer->state.dynamic.stencil_compare_mask.back & 0xff,
 389          .BackfaceStencilWriteMask =
 390             cmd_buffer->state.dynamic.stencil_write_mask.back & 0xff,
 391       };
 392       GEN8_3DSTATE_WM_DEPTH_STENCIL_pack(NULL, wm_depth_stencil_dw,
 393                                          &wm_depth_stencil);
 394
 395       anv_batch_emit_merge(&cmd_buffer->batch, wm_depth_stencil_dw,
 396                            pipeline->gen8.wm_depth_stencil);
 397    }
 398 #else
 399    if (cmd_buffer->state.dirty & ANV_CMD_DIRTY_DYNAMIC_BLEND_CONSTANTS) {
 400       struct anv_state cc_state =
 401          anv_cmd_buffer_alloc_dynamic_state(cmd_buffer,
 402                                             GEN9_COLOR_CALC_STATE_length * 4,
 403                                             64);
 404       struct GEN9_COLOR_CALC_STATE cc = {
 405          .BlendConstantColorRed = cmd_buffer->state.dynamic.blend_constants[0],
 406          .BlendConstantColorGreen = cmd_buffer->state.dynamic.blend_constants[1],
 407          .BlendConstantColorBlue = cmd_buffer->state.dynamic.blend_constants[2],
 408          .BlendConstantColorAlpha = cmd_buffer->state.dynamic.blend_constants[3],
 409       };
 410       GEN9_COLOR_CALC_STATE_pack(NULL, cc_state.map, &cc);
 411
 412       if (!cmd_buffer->device->info.has_llc)
 413          anv_state_clflush(cc_state);
 414
 415       anv_batch_emit(&cmd_buffer->batch,
 416                      GEN9_3DSTATE_CC_STATE_POINTERS,
 417                      .ColorCalcStatePointer = cc_state.offset,
 418                      .ColorCalcStatePointerValid = true);
 419    }
 420
 421    if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_PIPELINE |
 422                                   ANV_CMD_DIRTY_DYNAMIC_STENCIL_COMPARE_MASK |
 423                                   ANV_CMD_DIRTY_DYNAMIC_STENCIL_WRITE_MASK |
 424                                   ANV_CMD_DIRTY_DYNAMIC_STENCIL_REFERENCE)) {
 425       uint32_t dwords[GEN9_3DSTATE_WM_DEPTH_STENCIL_length];
 426       struct anv_dynamic_state *d = &cmd_buffer->state.dynamic;
 427       struct GEN9_3DSTATE_WM_DEPTH_STENCIL wm_depth_stencil = {
 428          GEN9_3DSTATE_WM_DEPTH_STENCIL_header,
 429
 430          .StencilBufferWriteEnable = d->stencil_write_mask.front != 0,
 431
 432          .StencilTestMask = d->stencil_compare_mask.front & 0xff,
 433          .StencilWriteMask = d->stencil_write_mask.front & 0xff,
 434
 435          .BackfaceStencilTestMask = d->stencil_compare_mask.back & 0xff,
 436          .BackfaceStencilWriteMask = d->stencil_write_mask.back & 0xff,
 437
 438          .StencilReferenceValue = d->stencil_reference.front,
 439          .BackfaceStencilReferenceValue = d->stencil_reference.back
 440       };
 441       GEN9_3DSTATE_WM_DEPTH_STENCIL_pack(NULL, dwords, &wm_depth_stencil);
 442
 443       anv_batch_emit_merge(&cmd_buffer->batch, dwords,
 444                            pipeline->gen9.wm_depth_stencil);
 445    }
 446 #endif
 447
 448    if (cmd_buffer->state.dirty & (ANV_CMD_DIRTY_PIPELINE |
 449                                   ANV_CMD_DIRTY_INDEX_BUFFER)) {
 450       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_VF),
 451          .IndexedDrawCutIndexEnable = pipeline->primitive_restart,
 452          .CutIndex = cmd_buffer->state.restart_index,
 453       );
 454    }
 455
 456    cmd_buffer->state.vb_dirty &= ~vb_emit;
 457    cmd_buffer->state.dirty = 0;
 458 }
 459
 460 void genX(CmdBindIndexBuffer)(
 461     VkCommandBuffer                             commandBuffer,
 462     VkBuffer                                    _buffer,
 463     VkDeviceSize                                offset,
 464     VkIndexType                                 indexType)
 465 {
 466    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 467    ANV_FROM_HANDLE(anv_buffer, buffer, _buffer);
 468
 469    static const uint32_t vk_to_gen_index_type[] = {
 470       [VK_INDEX_TYPE_UINT16]                    = INDEX_WORD,
 471       [VK_INDEX_TYPE_UINT32]                    = INDEX_DWORD,
 472    };
 473
 474    static const uint32_t restart_index_for_type[] = {
 475       [VK_INDEX_TYPE_UINT16]                    = UINT16_MAX,
 476       [VK_INDEX_TYPE_UINT32]                    = UINT32_MAX,
 477    };
 478
 479    cmd_buffer->state.restart_index = restart_index_for_type[indexType];
 480
 481    anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_INDEX_BUFFER),
 482                   .IndexFormat = vk_to_gen_index_type[indexType],
 483                   .MemoryObjectControlState = GENX(MOCS),
 484                   .BufferStartingAddress = { buffer->bo, buffer->offset + offset },
 485                   .BufferSize = buffer->size - offset);
 486
 487    cmd_buffer->state.dirty |= ANV_CMD_DIRTY_INDEX_BUFFER;
 488 }
 489
 490 static VkResult
 491 flush_compute_descriptor_set(struct anv_cmd_buffer *cmd_buffer)
 492 {
 493    struct anv_device *device = cmd_buffer->device;
 494    struct anv_pipeline *pipeline = cmd_buffer->state.compute_pipeline;
 495    struct anv_state surfaces = { 0, }, samplers = { 0, };
 496    VkResult result;
 497
 498    result = anv_cmd_buffer_emit_samplers(cmd_buffer,
 499                                          MESA_SHADER_COMPUTE, &samplers);
 500    if (result != VK_SUCCESS)
 501       return result;
 502    result = anv_cmd_buffer_emit_binding_table(cmd_buffer,
 503                                               MESA_SHADER_COMPUTE, &surfaces);
 504    if (result != VK_SUCCESS)
 505       return result;
 506
 507    struct anv_state push_state = anv_cmd_buffer_cs_push_constants(cmd_buffer);
 508
 509    const struct brw_cs_prog_data *cs_prog_data = &pipeline->cs_prog_data;
 510    const struct brw_stage_prog_data *prog_data = &cs_prog_data->base;
 511
 512    unsigned local_id_dwords = cs_prog_data->local_invocation_id_regs * 8;
 513    unsigned push_constant_data_size =
 514       (prog_data->nr_params + local_id_dwords) * 4;
 515    unsigned reg_aligned_constant_size = ALIGN(push_constant_data_size, 32);
 516    unsigned push_constant_regs = reg_aligned_constant_size / 32;
 517
 518    if (push_state.alloc_size) {
 519       anv_batch_emit(&cmd_buffer->batch, GENX(MEDIA_CURBE_LOAD),
 520                      .CURBETotalDataLength = push_state.alloc_size,
 521                      .CURBEDataStartAddress = push_state.offset);
 522    }
 523
 524    assert(prog_data->total_shared <= 64 * 1024);
 525    uint32_t slm_size = 0;
 526    if (prog_data->total_shared > 0) {
 527       /* slm_size is in 4k increments, but must be a power of 2. */
 528       slm_size = 4 * 1024;
 529       while (slm_size < prog_data->total_shared)
 530          slm_size <<= 1;
 531       slm_size /= 4 * 1024;
 532    }
 533
 534    struct anv_state state =
 535       anv_state_pool_emit(&device->dynamic_state_pool,
 536                           GENX(INTERFACE_DESCRIPTOR_DATA), 64,
 537                           .KernelStartPointer = pipeline->cs_simd,
 538                           .KernelStartPointerHigh = 0,
 539                           .BindingTablePointer = surfaces.offset,
 540                           .BindingTableEntryCount = 0,
 541                           .SamplerStatePointer = samplers.offset,
 542                           .SamplerCount = 0,
 543                           .ConstantIndirectURBEntryReadLength = push_constant_regs,
 544                           .ConstantURBEntryReadOffset = 0,
 545                           .BarrierEnable = cs_prog_data->uses_barrier,
 546                           .SharedLocalMemorySize = slm_size,
 547                           .NumberofThreadsinGPGPUThreadGroup =
 548                              pipeline->cs_thread_width_max);
 549
 550    uint32_t size = GENX(INTERFACE_DESCRIPTOR_DATA_length) * sizeof(uint32_t);
 551    anv_batch_emit(&cmd_buffer->batch, GENX(MEDIA_INTERFACE_DESCRIPTOR_LOAD),
 552                   .InterfaceDescriptorTotalLength = size,
 553                   .InterfaceDescriptorDataStartAddress = state.offset);
 554
 555    return VK_SUCCESS;
 556 }
 557
 558 void
 559 genX(cmd_buffer_flush_compute_state)(struct anv_cmd_buffer *cmd_buffer)
 560 {
 561    struct anv_pipeline *pipeline = cmd_buffer->state.compute_pipeline;
 562    VkResult result;
 563
 564    assert(pipeline->active_stages == VK_SHADER_STAGE_COMPUTE_BIT);
 565
 566    bool needs_slm = pipeline->cs_prog_data.base.total_shared > 0;
 567    config_l3(cmd_buffer, needs_slm);
 568
 569    if (cmd_buffer->state.current_pipeline != GPGPU) {
 570 #if ANV_GEN < 10
 571       /* From the Broadwell PRM, Volume 2a: Instructions, PIPELINE_SELECT:
 572        *
 573        *   Software must clear the COLOR_CALC_STATE Valid field in
 574        *   3DSTATE_CC_STATE_POINTERS command prior to send a PIPELINE_SELECT
 575        *   with Pipeline Select set to GPGPU.
 576        *
 577        * The internal hardware docs recommend the same workaround for Gen9
 578        * hardware too.
 579        */
 580       anv_batch_emit(&cmd_buffer->batch,
 581                      GENX(3DSTATE_CC_STATE_POINTERS));
 582 #endif
 583
 584       anv_batch_emit(&cmd_buffer->batch, GENX(PIPELINE_SELECT),
 585 #if ANV_GEN >= 9
 586                      .MaskBits = 3,
 587 #endif
 588                      .PipelineSelection = GPGPU);
 589       cmd_buffer->state.current_pipeline = GPGPU;
 590    }
 591
 592    if (cmd_buffer->state.compute_dirty & ANV_CMD_DIRTY_PIPELINE)
 593       anv_batch_emit_batch(&cmd_buffer->batch, &pipeline->batch);
 594
 595    if ((cmd_buffer->state.descriptors_dirty & VK_SHADER_STAGE_COMPUTE_BIT) ||
 596        (cmd_buffer->state.compute_dirty & ANV_CMD_DIRTY_PIPELINE)) {
 597       result = flush_compute_descriptor_set(cmd_buffer);
 598       assert(result == VK_SUCCESS);
 599       cmd_buffer->state.descriptors_dirty &= ~VK_SHADER_STAGE_COMPUTE_BIT;
 600    }
 601
 602    cmd_buffer->state.compute_dirty = 0;
 603 }
 604
 605 static void
 606 emit_ps_depth_count(struct anv_batch *batch,
 607                     struct anv_bo *bo, uint32_t offset)
 608 {
 609    anv_batch_emit(batch, GENX(PIPE_CONTROL),
 610                   .DestinationAddressType = DAT_PPGTT,
 611                   .PostSyncOperation = WritePSDepthCount,
 612                   .DepthStallEnable = true,
 613                   .Address = { bo, offset });
 614 }
 615
 616 static void
 617 emit_query_availability(struct anv_batch *batch,
 618                         struct anv_bo *bo, uint32_t offset)
 619 {
 620    anv_batch_emit(batch, GENX(PIPE_CONTROL),
 621                   .DestinationAddressType = DAT_PPGTT,
 622                   .PostSyncOperation = WriteImmediateData,
 623                   .Address = { bo, offset },
 624                   .ImmediateData = 1);
 625 }
 626
 627 void genX(CmdBeginQuery)(
 628     VkCommandBuffer                             commandBuffer,
 629     VkQueryPool                                 queryPool,
 630     uint32_t                                    query,
 631     VkQueryControlFlags                         flags)
 632 {
 633    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 634    ANV_FROM_HANDLE(anv_query_pool, pool, queryPool);
 635
 636    /* Workaround: When meta uses the pipeline with the VS disabled, it seems
 637     * that the pipelining of the depth write breaks. What we see is that
 638     * samples from the render pass clear leaks into the first query
 639     * immediately after the clear. Doing a pipecontrol with a post-sync
 640     * operation and DepthStallEnable seems to work around the issue.
 641     */
 642    if (cmd_buffer->state.need_query_wa) {
 643       cmd_buffer->state.need_query_wa = false;
 644       anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 645                      .DepthCacheFlushEnable = true,
 646                      .DepthStallEnable = true);
 647    }
 648
 649    switch (pool->type) {
 650    case VK_QUERY_TYPE_OCCLUSION:
 651       emit_ps_depth_count(&cmd_buffer->batch, &pool->bo,
 652                           query * sizeof(struct anv_query_pool_slot));
 653       break;
 654
 655    case VK_QUERY_TYPE_PIPELINE_STATISTICS:
 656    default:
 657       unreachable("");
 658    }
 659 }
 660
 661 void genX(CmdEndQuery)(
 662     VkCommandBuffer                             commandBuffer,
 663     VkQueryPool                                 queryPool,
 664     uint32_t                                    query)
 665 {
 666    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 667    ANV_FROM_HANDLE(anv_query_pool, pool, queryPool);
 668
 669    switch (pool->type) {
 670    case VK_QUERY_TYPE_OCCLUSION:
 671       emit_ps_depth_count(&cmd_buffer->batch, &pool->bo,
 672                           query * sizeof(struct anv_query_pool_slot) + 8);
 673
 674       emit_query_availability(&cmd_buffer->batch, &pool->bo,
 675                               query * sizeof(struct anv_query_pool_slot) + 16);
 676       break;
 677
 678    case VK_QUERY_TYPE_PIPELINE_STATISTICS:
 679    default:
 680       unreachable("");
 681    }
 682 }
 683
 684 #define TIMESTAMP 0x2358
 685
 686 void genX(CmdWriteTimestamp)(
 687     VkCommandBuffer                             commandBuffer,
 688     VkPipelineStageFlagBits                     pipelineStage,
 689     VkQueryPool                                 queryPool,
 690     uint32_t                                    query)
 691 {
 692    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 693    ANV_FROM_HANDLE(anv_query_pool, pool, queryPool);
 694    uint32_t offset = query * sizeof(struct anv_query_pool_slot);
 695
 696    assert(pool->type == VK_QUERY_TYPE_TIMESTAMP);
 697
 698    switch (pipelineStage) {
 699    case VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT:
 700       anv_batch_emit(&cmd_buffer->batch, GENX(MI_STORE_REGISTER_MEM),
 701                      .RegisterAddress = TIMESTAMP,
 702                      .MemoryAddress = { &pool->bo, offset });
 703       anv_batch_emit(&cmd_buffer->batch, GENX(MI_STORE_REGISTER_MEM),
 704                      .RegisterAddress = TIMESTAMP + 4,
 705                      .MemoryAddress = { &pool->bo, offset + 4 });
 706       break;
 707
 708    default:
 709       /* Everything else is bottom-of-pipe */
 710       anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 711                      .DestinationAddressType = DAT_PPGTT,
 712                      .PostSyncOperation = WriteTimestamp,
 713                      .Address = { &pool->bo, offset });
 714       break;
 715    }
 716
 717    emit_query_availability(&cmd_buffer->batch, &pool->bo, query + 16);
 718 }
 719
 720 #define alu_opcode(v)   __gen_uint((v),  20, 31)
 721 #define alu_operand1(v) __gen_uint((v),  10, 19)
 722 #define alu_operand2(v) __gen_uint((v),   0,  9)
 723 #define alu(opcode, operand1, operand2) \
 724    alu_opcode(opcode) | alu_operand1(operand1) | alu_operand2(operand2)
 725
 726 #define OPCODE_NOOP      0x000
 727 #define OPCODE_LOAD      0x080
 728 #define OPCODE_LOADINV   0x480
 729 #define OPCODE_LOAD0     0x081
 730 #define OPCODE_LOAD1     0x481
 731 #define OPCODE_ADD       0x100
 732 #define OPCODE_SUB       0x101
 733 #define OPCODE_AND       0x102
 734 #define OPCODE_OR        0x103
 735 #define OPCODE_XOR       0x104
 736 #define OPCODE_STORE     0x180
 737 #define OPCODE_STOREINV  0x580
 738
 739 #define OPERAND_R0   0x00
 740 #define OPERAND_R1   0x01
 741 #define OPERAND_R2   0x02
 742 #define OPERAND_R3   0x03
 743 #define OPERAND_R4   0x04
 744 #define OPERAND_SRCA 0x20
 745 #define OPERAND_SRCB 0x21
 746 #define OPERAND_ACCU 0x31
 747 #define OPERAND_ZF   0x32
 748 #define OPERAND_CF   0x33
 749
 750 #define CS_GPR(n) (0x2600 + (n) * 8)
 751
 752 static void
 753 emit_load_alu_reg_u64(struct anv_batch *batch, uint32_t reg,
 754                       struct anv_bo *bo, uint32_t offset)
 755 {
 756    anv_batch_emit(batch, GENX(MI_LOAD_REGISTER_MEM),
 757                   .RegisterAddress = reg,
 758                   .MemoryAddress = { bo, offset });
 759    anv_batch_emit(batch, GENX(MI_LOAD_REGISTER_MEM),
 760                   .RegisterAddress = reg + 4,
 761                   .MemoryAddress = { bo, offset + 4 });
 762 }
 763
 764 static void
 765 store_query_result(struct anv_batch *batch, uint32_t reg,
 766                    struct anv_bo *bo, uint32_t offset, VkQueryResultFlags flags)
 767 {
 768       anv_batch_emit(batch, GENX(MI_STORE_REGISTER_MEM),
 769                      .RegisterAddress = reg,
 770                      .MemoryAddress = { bo, offset });
 771
 772       if (flags & VK_QUERY_RESULT_64_BIT)
 773          anv_batch_emit(batch, GENX(MI_STORE_REGISTER_MEM),
 774                         .RegisterAddress = reg + 4,
 775                         .MemoryAddress = { bo, offset + 4 });
 776 }
 777
 778 void genX(CmdCopyQueryPoolResults)(
 779     VkCommandBuffer                             commandBuffer,
 780     VkQueryPool                                 queryPool,
 781     uint32_t                                    firstQuery,
 782     uint32_t                                    queryCount,
 783     VkBuffer                                    destBuffer,
 784     VkDeviceSize                                destOffset,
 785     VkDeviceSize                                destStride,
 786     VkQueryResultFlags                          flags)
 787 {
 788    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 789    ANV_FROM_HANDLE(anv_query_pool, pool, queryPool);
 790    ANV_FROM_HANDLE(anv_buffer, buffer, destBuffer);
 791    uint32_t slot_offset, dst_offset;
 792
 793    if (flags & VK_QUERY_RESULT_WAIT_BIT)
 794       anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 795                      .CommandStreamerStallEnable = true,
 796                      .StallAtPixelScoreboard = true);
 797
 798    dst_offset = buffer->offset + destOffset;
 799    for (uint32_t i = 0; i < queryCount; i++) {
 800
 801       slot_offset = (firstQuery + i) * sizeof(struct anv_query_pool_slot);
 802       switch (pool->type) {
 803       case VK_QUERY_TYPE_OCCLUSION:
 804          emit_load_alu_reg_u64(&cmd_buffer->batch,
 805                                CS_GPR(0), &pool->bo, slot_offset);
 806          emit_load_alu_reg_u64(&cmd_buffer->batch,
 807                                CS_GPR(1), &pool->bo, slot_offset + 8);
 808
 809          /* FIXME: We need to clamp the result for 32 bit. */
 810
 811          uint32_t *dw = anv_batch_emitn(&cmd_buffer->batch, 5, GENX(MI_MATH));
 812          dw[1] = alu(OPCODE_LOAD, OPERAND_SRCA, OPERAND_R1);
 813          dw[2] = alu(OPCODE_LOAD, OPERAND_SRCB, OPERAND_R0);
 814          dw[3] = alu(OPCODE_SUB, 0, 0);
 815          dw[4] = alu(OPCODE_STORE, OPERAND_R2, OPERAND_ACCU);
 816          break;
 817
 818       case VK_QUERY_TYPE_TIMESTAMP:
 819          emit_load_alu_reg_u64(&cmd_buffer->batch,
 820                                CS_GPR(2), &pool->bo, slot_offset);
 821          break;
 822
 823       default:
 824          unreachable("unhandled query type");
 825       }
 826
 827       store_query_result(&cmd_buffer->batch,
 828                          CS_GPR(2), buffer->bo, dst_offset, flags);
 829
 830       if (flags & VK_QUERY_RESULT_WITH_AVAILABILITY_BIT) {
 831          emit_load_alu_reg_u64(&cmd_buffer->batch, CS_GPR(0),
 832                                &pool->bo, slot_offset + 16);
 833          if (flags & VK_QUERY_RESULT_64_BIT)
 834             store_query_result(&cmd_buffer->batch,
 835                                CS_GPR(0), buffer->bo, dst_offset + 8, flags);
 836          else
 837             store_query_result(&cmd_buffer->batch,
 838                                CS_GPR(0), buffer->bo, dst_offset + 4, flags);
 839       }
 840
 841       dst_offset += destStride;
 842    }
 843 }
 844
 845 void genX(CmdSetEvent)(
 846     VkCommandBuffer                             commandBuffer,
 847     VkEvent                                     _event,
 848     VkPipelineStageFlags                        stageMask)
 849 {
 850    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 851    ANV_FROM_HANDLE(anv_event, event, _event);
 852
 853    anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 854                   .DestinationAddressType = DAT_PPGTT,
 855                   .PostSyncOperation = WriteImmediateData,
 856                   .Address = {
 857                      &cmd_buffer->device->dynamic_state_block_pool.bo,
 858                      event->state.offset
 859                    },
 860                   .ImmediateData = VK_EVENT_SET);
 861 }
 862
 863 void genX(CmdResetEvent)(
 864     VkCommandBuffer                             commandBuffer,
 865     VkEvent                                     _event,
 866     VkPipelineStageFlags                        stageMask)
 867 {
 868    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 869    ANV_FROM_HANDLE(anv_event, event, _event);
 870
 871    anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL),
 872                   .DestinationAddressType = DAT_PPGTT,
 873                   .PostSyncOperation = WriteImmediateData,
 874                   .Address = {
 875                      &cmd_buffer->device->dynamic_state_block_pool.bo,
 876                      event->state.offset
 877                    },
 878                   .ImmediateData = VK_EVENT_RESET);
 879 }
 880
 881 void genX(CmdWaitEvents)(
 882     VkCommandBuffer                             commandBuffer,
 883     uint32_t                                    eventCount,
 884     const VkEvent*                              pEvents,
 885     VkPipelineStageFlags                        srcStageMask,
 886     VkPipelineStageFlags                        destStageMask,
 887     uint32_t                                    memoryBarrierCount,
 888     const VkMemoryBarrier*                      pMemoryBarriers,
 889     uint32_t                                    bufferMemoryBarrierCount,
 890     const VkBufferMemoryBarrier*                pBufferMemoryBarriers,
 891     uint32_t                                    imageMemoryBarrierCount,
 892     const VkImageMemoryBarrier*                 pImageMemoryBarriers)
 893 {
 894    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 895    for (uint32_t i = 0; i < eventCount; i++) {
 896       ANV_FROM_HANDLE(anv_event, event, pEvents[i]);
 897
 898       anv_batch_emit(&cmd_buffer->batch, GENX(MI_SEMAPHORE_WAIT),
 899                      .WaitMode = PollingMode,
 900                      .CompareOperation = COMPARE_SAD_EQUAL_SDD,
 901                      .SemaphoreDataDword = VK_EVENT_SET,
 902                      .SemaphoreAddress = {
 903                         &cmd_buffer->device->dynamic_state_block_pool.bo,
 904                         event->state.offset
 905                      });
 906    }
 907
 908    genX(CmdPipelineBarrier)(commandBuffer, srcStageMask, destStageMask,
 909                             false, /* byRegion */
 910                             memoryBarrierCount, pMemoryBarriers,
 911                             bufferMemoryBarrierCount, pBufferMemoryBarriers,
 912                             imageMemoryBarrierCount, pImageMemoryBarriers);
 913 }