src/gallium/drivers/iris/iris_context.h

   1 /*
   2  * Copyright © 2017 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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #ifndef IRIS_CONTEXT_H
  24 #define IRIS_CONTEXT_H
  25
  26 #include "pipe/p_context.h"
  27 #include "pipe/p_state.h"
  28 #include "util/u_debug.h"
  29 #include "intel/blorp/blorp.h"
  30 #include "intel/dev/gen_debug.h"
  31 #include "intel/common/gen_l3_config.h"
  32 #include "intel/compiler/brw_compiler.h"
  33 #include "iris_batch.h"
  34 #include "iris_binder.h"
  35 #include "iris_fence.h"
  36 #include "iris_resource.h"
  37 #include "iris_screen.h"
  38
  39 struct iris_bo;
  40 struct iris_context;
  41 struct blorp_batch;
  42 struct blorp_params;
  43
  44 #define IRIS_MAX_TEXTURE_BUFFER_SIZE (1 << 27)
  45 #define IRIS_MAX_TEXTURE_SAMPLERS 32
  46 /* IRIS_MAX_ABOS and IRIS_MAX_SSBOS must be the same. */
  47 #define IRIS_MAX_ABOS 16
  48 #define IRIS_MAX_SSBOS 16
  49 #define IRIS_MAX_VIEWPORTS 16
  50 #define IRIS_MAX_CLIP_PLANES 8
  51
  52 enum iris_param_domain {
  53    BRW_PARAM_DOMAIN_BUILTIN = 0,
  54    BRW_PARAM_DOMAIN_IMAGE,
  55 };
  56
  57 enum {
  58    DRI_CONF_BO_REUSE_DISABLED,
  59    DRI_CONF_BO_REUSE_ALL
  60 };
  61
  62 #define BRW_PARAM(domain, val)   (BRW_PARAM_DOMAIN_##domain << 24 | (val))
  63 #define BRW_PARAM_DOMAIN(param)  ((uint32_t)(param) >> 24)
  64 #define BRW_PARAM_VALUE(param)   ((uint32_t)(param) & 0x00ffffff)
  65 #define BRW_PARAM_IMAGE(idx, offset) BRW_PARAM(IMAGE, ((idx) << 8) | (offset))
  66 #define BRW_PARAM_IMAGE_IDX(value)   (BRW_PARAM_VALUE(value) >> 8)
  67 #define BRW_PARAM_IMAGE_OFFSET(value)(BRW_PARAM_VALUE(value) & 0xf)
  68
  69 /**
  70  * Dirty flags.  When state changes, we flag some combination of these
  71  * to indicate that particular GPU commands need to be re-emitted.
  72  *
  73  * Each bit typically corresponds to a single 3DSTATE_* command packet, but
  74  * in rare cases they map to a group of related packets that need to be
  75  * emitted together.
  76  *
  77  * See iris_upload_render_state().
  78  */
  79 #define IRIS_DIRTY_COLOR_CALC_STATE         (1ull <<  0)
  80 #define IRIS_DIRTY_POLYGON_STIPPLE          (1ull <<  1)
  81 #define IRIS_DIRTY_SCISSOR_RECT             (1ull <<  2)
  82 #define IRIS_DIRTY_WM_DEPTH_STENCIL         (1ull <<  3)
  83 #define IRIS_DIRTY_CC_VIEWPORT              (1ull <<  4)
  84 #define IRIS_DIRTY_SF_CL_VIEWPORT           (1ull <<  5)
  85 #define IRIS_DIRTY_PS_BLEND                 (1ull <<  6)
  86 #define IRIS_DIRTY_BLEND_STATE              (1ull <<  7)
  87 #define IRIS_DIRTY_RASTER                   (1ull <<  8)
  88 #define IRIS_DIRTY_CLIP                     (1ull <<  9)
  89 #define IRIS_DIRTY_SBE                      (1ull << 10)
  90 #define IRIS_DIRTY_LINE_STIPPLE             (1ull << 11)
  91 #define IRIS_DIRTY_VERTEX_ELEMENTS          (1ull << 12)
  92 #define IRIS_DIRTY_MULTISAMPLE              (1ull << 13)
  93 #define IRIS_DIRTY_VERTEX_BUFFERS           (1ull << 14)
  94 #define IRIS_DIRTY_SAMPLE_MASK              (1ull << 15)
  95 #define IRIS_DIRTY_SAMPLER_STATES_VS        (1ull << 16)
  96 #define IRIS_DIRTY_SAMPLER_STATES_TCS       (1ull << 17)
  97 #define IRIS_DIRTY_SAMPLER_STATES_TES       (1ull << 18)
  98 #define IRIS_DIRTY_SAMPLER_STATES_GS        (1ull << 19)
  99 #define IRIS_DIRTY_SAMPLER_STATES_PS        (1ull << 20)
 100 #define IRIS_DIRTY_SAMPLER_STATES_CS        (1ull << 21)
 101 #define IRIS_DIRTY_UNCOMPILED_VS            (1ull << 22)
 102 #define IRIS_DIRTY_UNCOMPILED_TCS           (1ull << 23)
 103 #define IRIS_DIRTY_UNCOMPILED_TES           (1ull << 24)
 104 #define IRIS_DIRTY_UNCOMPILED_GS            (1ull << 25)
 105 #define IRIS_DIRTY_UNCOMPILED_FS            (1ull << 26)
 106 #define IRIS_DIRTY_UNCOMPILED_CS            (1ull << 27)
 107 #define IRIS_DIRTY_VS                       (1ull << 28)
 108 #define IRIS_DIRTY_TCS                      (1ull << 29)
 109 #define IRIS_DIRTY_TES                      (1ull << 30)
 110 #define IRIS_DIRTY_GS                       (1ull << 31)
 111 #define IRIS_DIRTY_FS                       (1ull << 32)
 112 #define IRIS_DIRTY_CS                       (1ull << 33)
 113 #define IRIS_DIRTY_URB                      (1ull << 34)
 114 #define IRIS_SHIFT_FOR_DIRTY_CONSTANTS      35
 115 #define IRIS_DIRTY_CONSTANTS_VS             (1ull << 35)
 116 #define IRIS_DIRTY_CONSTANTS_TCS            (1ull << 36)
 117 #define IRIS_DIRTY_CONSTANTS_TES            (1ull << 37)
 118 #define IRIS_DIRTY_CONSTANTS_GS             (1ull << 38)
 119 #define IRIS_DIRTY_CONSTANTS_FS             (1ull << 39)
 120 #define IRIS_DIRTY_CONSTANTS_CS             (1ull << 40)
 121 #define IRIS_DIRTY_DEPTH_BUFFER             (1ull << 41)
 122 #define IRIS_DIRTY_WM                       (1ull << 42)
 123 #define IRIS_DIRTY_BINDINGS_VS              (1ull << 43)
 124 #define IRIS_DIRTY_BINDINGS_TCS             (1ull << 44)
 125 #define IRIS_DIRTY_BINDINGS_TES             (1ull << 45)
 126 #define IRIS_DIRTY_BINDINGS_GS              (1ull << 46)
 127 #define IRIS_DIRTY_BINDINGS_FS              (1ull << 47)
 128 #define IRIS_DIRTY_BINDINGS_CS              (1ull << 48)
 129 #define IRIS_DIRTY_SO_BUFFERS               (1ull << 49)
 130 #define IRIS_DIRTY_SO_DECL_LIST             (1ull << 50)
 131 #define IRIS_DIRTY_STREAMOUT                (1ull << 51)
 132 #define IRIS_DIRTY_VF_SGVS                  (1ull << 52)
 133 #define IRIS_DIRTY_VF                       (1ull << 53)
 134 #define IRIS_DIRTY_VF_TOPOLOGY              (1ull << 54)
 135 #define IRIS_DIRTY_RENDER_RESOLVES_AND_FLUSHES  (1ull << 55)
 136 #define IRIS_DIRTY_COMPUTE_RESOLVES_AND_FLUSHES (1ull << 56)
 137 #define IRIS_DIRTY_VF_STATISTICS            (1ull << 57)
 138 #define IRIS_DIRTY_PMA_FIX                  (1ull << 58)
 139 #define IRIS_DIRTY_DEPTH_BOUNDS             (1ull << 59)
 140 #define IRIS_DIRTY_RENDER_BUFFER            (1ull << 60)
 141
 142 #define IRIS_ALL_DIRTY_FOR_COMPUTE (IRIS_DIRTY_CS | \
 143                                     IRIS_DIRTY_SAMPLER_STATES_CS | \
 144                                     IRIS_DIRTY_UNCOMPILED_CS | \
 145                                     IRIS_DIRTY_CONSTANTS_CS | \
 146                                     IRIS_DIRTY_BINDINGS_CS | \
 147                                     IRIS_DIRTY_COMPUTE_RESOLVES_AND_FLUSHES)
 148
 149 #define IRIS_ALL_DIRTY_FOR_RENDER ~IRIS_ALL_DIRTY_FOR_COMPUTE
 150
 151 #define IRIS_ALL_DIRTY_BINDINGS (IRIS_DIRTY_BINDINGS_VS  | \
 152                                  IRIS_DIRTY_BINDINGS_TCS | \
 153                                  IRIS_DIRTY_BINDINGS_TES | \
 154                                  IRIS_DIRTY_BINDINGS_GS  | \
 155                                  IRIS_DIRTY_BINDINGS_FS  | \
 156                                  IRIS_DIRTY_BINDINGS_CS  | \
 157                                  IRIS_DIRTY_RENDER_BUFFER)
 158
 159 /**
 160  * Non-orthogonal state (NOS) dependency flags.
 161  *
 162  * Shader programs may depend on non-orthogonal state.  These flags are
 163  * used to indicate that a shader's key depends on the state provided by
 164  * a certain Gallium CSO.  Changing any CSOs marked as a dependency will
 165  * cause the driver to re-compute the shader key, possibly triggering a
 166  * shader recompile.
 167  */
 168 enum iris_nos_dep {
 169    IRIS_NOS_FRAMEBUFFER,
 170    IRIS_NOS_DEPTH_STENCIL_ALPHA,
 171    IRIS_NOS_RASTERIZER,
 172    IRIS_NOS_BLEND,
 173    IRIS_NOS_LAST_VUE_MAP,
 174
 175    IRIS_NOS_COUNT,
 176 };
 177
 178 /** @{
 179  *
 180  * Program cache keys for state based recompiles.
 181  */
 182
 183 struct iris_base_prog_key {
 184    unsigned program_string_id;
 185 };
 186
 187 struct iris_vue_prog_key {
 188    struct iris_base_prog_key base;
 189
 190    unsigned nr_userclip_plane_consts:4;
 191 };
 192
 193 struct iris_vs_prog_key {
 194    struct iris_vue_prog_key vue;
 195 };
 196
 197 struct iris_tcs_prog_key {
 198    struct iris_vue_prog_key vue;
 199
 200    uint16_t tes_primitive_mode;
 201
 202    uint8_t input_vertices;
 203
 204    bool quads_workaround;
 205
 206    /** A bitfield of per-patch outputs written. */
 207    uint32_t patch_outputs_written;
 208
 209    /** A bitfield of per-vertex outputs written. */
 210    uint64_t outputs_written;
 211 };
 212
 213 struct iris_tes_prog_key {
 214    struct iris_vue_prog_key vue;
 215
 216    /** A bitfield of per-patch inputs read. */
 217    uint32_t patch_inputs_read;
 218
 219    /** A bitfield of per-vertex inputs read. */
 220    uint64_t inputs_read;
 221 };
 222
 223 struct iris_gs_prog_key {
 224    struct iris_vue_prog_key vue;
 225 };
 226
 227 struct iris_fs_prog_key {
 228    struct iris_base_prog_key base;
 229
 230    unsigned nr_color_regions:5;
 231    bool flat_shade:1;
 232    bool alpha_test_replicate_alpha:1;
 233    bool alpha_to_coverage:1;
 234    bool clamp_fragment_color:1;
 235    bool persample_interp:1;
 236    bool multisample_fbo:1;
 237    bool force_dual_color_blend:1;
 238    bool coherent_fb_fetch:1;
 239
 240    uint8_t color_outputs_valid;
 241    uint64_t input_slots_valid;
 242 };
 243
 244 struct iris_cs_prog_key {
 245    struct iris_base_prog_key base;
 246 };
 247
 248 /** @} */
 249
 250 struct iris_depth_stencil_alpha_state;
 251
 252 /**
 253  * Cache IDs for the in-memory program cache (ice->shaders.cache).
 254  */
 255 enum iris_program_cache_id {
 256    IRIS_CACHE_VS  = MESA_SHADER_VERTEX,
 257    IRIS_CACHE_TCS = MESA_SHADER_TESS_CTRL,
 258    IRIS_CACHE_TES = MESA_SHADER_TESS_EVAL,
 259    IRIS_CACHE_GS  = MESA_SHADER_GEOMETRY,
 260    IRIS_CACHE_FS  = MESA_SHADER_FRAGMENT,
 261    IRIS_CACHE_CS  = MESA_SHADER_COMPUTE,
 262    IRIS_CACHE_BLORP,
 263 };
 264
 265 /** @{
 266  *
 267  * Defines for PIPE_CONTROL operations, which trigger cache flushes,
 268  * synchronization, pipelined memory writes, and so on.
 269  *
 270  * The bits here are not the actual hardware values.  The actual fields
 271  * move between various generations, so we just have flags for each
 272  * potential operation, and use genxml to encode the actual packet.
 273  */
 274 enum pipe_control_flags
 275 {
 276    PIPE_CONTROL_FLUSH_LLC                       = (1 << 1),
 277    PIPE_CONTROL_LRI_POST_SYNC_OP                = (1 << 2),
 278    PIPE_CONTROL_STORE_DATA_INDEX                = (1 << 3),
 279    PIPE_CONTROL_CS_STALL                        = (1 << 4),
 280    PIPE_CONTROL_GLOBAL_SNAPSHOT_COUNT_RESET     = (1 << 5),
 281    PIPE_CONTROL_SYNC_GFDT                       = (1 << 6),
 282    PIPE_CONTROL_TLB_INVALIDATE                  = (1 << 7),
 283    PIPE_CONTROL_MEDIA_STATE_CLEAR               = (1 << 8),
 284    PIPE_CONTROL_WRITE_IMMEDIATE                 = (1 << 9),
 285    PIPE_CONTROL_WRITE_DEPTH_COUNT               = (1 << 10),
 286    PIPE_CONTROL_WRITE_TIMESTAMP                 = (1 << 11),
 287    PIPE_CONTROL_DEPTH_STALL                     = (1 << 12),
 288    PIPE_CONTROL_RENDER_TARGET_FLUSH             = (1 << 13),
 289    PIPE_CONTROL_INSTRUCTION_INVALIDATE          = (1 << 14),
 290    PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE        = (1 << 15),
 291    PIPE_CONTROL_INDIRECT_STATE_POINTERS_DISABLE = (1 << 16),
 292    PIPE_CONTROL_NOTIFY_ENABLE                   = (1 << 17),
 293    PIPE_CONTROL_FLUSH_ENABLE                    = (1 << 18),
 294    PIPE_CONTROL_DATA_CACHE_FLUSH                = (1 << 19),
 295    PIPE_CONTROL_VF_CACHE_INVALIDATE             = (1 << 20),
 296    PIPE_CONTROL_CONST_CACHE_INVALIDATE          = (1 << 21),
 297    PIPE_CONTROL_STATE_CACHE_INVALIDATE          = (1 << 22),
 298    PIPE_CONTROL_STALL_AT_SCOREBOARD             = (1 << 23),
 299    PIPE_CONTROL_DEPTH_CACHE_FLUSH               = (1 << 24),
 300    PIPE_CONTROL_TILE_CACHE_FLUSH                = (1 << 25),
 301    PIPE_CONTROL_FLUSH_HDC                       = (1 << 26),
 302 };
 303
 304 #define PIPE_CONTROL_CACHE_FLUSH_BITS \
 305    (PIPE_CONTROL_DEPTH_CACHE_FLUSH |  \
 306     PIPE_CONTROL_DATA_CACHE_FLUSH |   \
 307     PIPE_CONTROL_RENDER_TARGET_FLUSH)
 308
 309 #define PIPE_CONTROL_CACHE_INVALIDATE_BITS  \
 310    (PIPE_CONTROL_STATE_CACHE_INVALIDATE |   \
 311     PIPE_CONTROL_CONST_CACHE_INVALIDATE |   \
 312     PIPE_CONTROL_VF_CACHE_INVALIDATE |      \
 313     PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE | \
 314     PIPE_CONTROL_INSTRUCTION_INVALIDATE)
 315
 316 enum iris_predicate_state {
 317    /* The first two states are used if we can determine whether to draw
 318     * without having to look at the values in the query object buffer. This
 319     * will happen if there is no conditional render in progress, if the query
 320     * object is already completed or if something else has already added
 321     * samples to the preliminary result.
 322     */
 323    IRIS_PREDICATE_STATE_RENDER,
 324    IRIS_PREDICATE_STATE_DONT_RENDER,
 325
 326    /* In this case whether to draw or not depends on the result of an
 327     * MI_PREDICATE command so the predicate enable bit needs to be checked.
 328     */
 329    IRIS_PREDICATE_STATE_USE_BIT,
 330 };
 331
 332 /** @} */
 333
 334 /**
 335  * An uncompiled, API-facing shader.  This is the Gallium CSO for shaders.
 336  * It primarily contains the NIR for the shader.
 337  *
 338  * Each API-facing shader can be compiled into multiple shader variants,
 339  * based on non-orthogonal state dependencies, recorded in the shader key.
 340  *
 341  * See iris_compiled_shader, which represents a compiled shader variant.
 342  */
 343 struct iris_uncompiled_shader {
 344    struct nir_shader *nir;
 345
 346    struct pipe_stream_output_info stream_output;
 347
 348    /* A SHA1 of the serialized NIR for the disk cache. */
 349    unsigned char nir_sha1[20];
 350
 351    unsigned program_id;
 352
 353    /** Bitfield of (1 << IRIS_NOS_*) flags. */
 354    unsigned nos;
 355
 356    /** Have any shader variants been compiled yet? */
 357    bool compiled_once;
 358
 359    /** Should we use ALT mode for math?  Useful for ARB programs. */
 360    bool use_alt_mode;
 361
 362    bool needs_edge_flag;
 363
 364    /* Whether shader uses atomic operations. */
 365    bool uses_atomic_load_store;
 366
 367    /** Constant data scraped from the shader by nir_opt_large_constants */
 368    struct pipe_resource *const_data;
 369
 370    /** Surface state for const_data */
 371    struct iris_state_ref const_data_state;
 372 };
 373
 374 enum iris_surface_group {
 375    IRIS_SURFACE_GROUP_RENDER_TARGET,
 376    IRIS_SURFACE_GROUP_RENDER_TARGET_READ,
 377    IRIS_SURFACE_GROUP_CS_WORK_GROUPS,
 378    IRIS_SURFACE_GROUP_TEXTURE,
 379    IRIS_SURFACE_GROUP_IMAGE,
 380    IRIS_SURFACE_GROUP_UBO,
 381    IRIS_SURFACE_GROUP_SSBO,
 382
 383    IRIS_SURFACE_GROUP_COUNT,
 384 };
 385
 386 enum {
 387    /* Invalid value for a binding table index. */
 388    IRIS_SURFACE_NOT_USED = 0xa0a0a0a0,
 389 };
 390
 391 struct iris_binding_table {
 392    uint32_t size_bytes;
 393
 394    /** Number of surfaces in each group, before compacting. */
 395    uint32_t sizes[IRIS_SURFACE_GROUP_COUNT];
 396
 397    /** Initial offset of each group. */
 398    uint32_t offsets[IRIS_SURFACE_GROUP_COUNT];
 399
 400    /** Mask of surfaces used in each group. */
 401    uint64_t used_mask[IRIS_SURFACE_GROUP_COUNT];
 402 };
 403
 404 /**
 405  * A compiled shader variant, containing a pointer to the GPU assembly,
 406  * as well as program data and other packets needed by state upload.
 407  *
 408  * There can be several iris_compiled_shader variants per API-level shader
 409  * (iris_uncompiled_shader), due to state-based recompiles (brw_*_prog_key).
 410  */
 411 struct iris_compiled_shader {
 412    /** Reference to the uploaded assembly. */
 413    struct iris_state_ref assembly;
 414
 415    /** Pointer to the assembly in the BO's map. */
 416    void *map;
 417
 418    /** The program data (owned by the program cache hash table) */
 419    struct brw_stage_prog_data *prog_data;
 420
 421    /** A list of system values to be uploaded as uniforms. */
 422    enum brw_param_builtin *system_values;
 423    unsigned num_system_values;
 424
 425    /** Number of constbufs expected by the shader. */
 426    unsigned num_cbufs;
 427
 428    /**
 429     * Derived 3DSTATE_STREAMOUT and 3DSTATE_SO_DECL_LIST packets
 430     * (the VUE-based information for transform feedback outputs).
 431     */
 432    uint32_t *streamout;
 433
 434    struct iris_binding_table bt;
 435
 436    /**
 437     * Shader packets and other data derived from prog_data.  These must be
 438     * completely determined from prog_data.
 439     */
 440    uint8_t derived_data[0];
 441 };
 442
 443 /**
 444  * API context state that is replicated per shader stage.
 445  */
 446 struct iris_shader_state {
 447    /** Uniform Buffers */
 448    struct pipe_shader_buffer constbuf[PIPE_MAX_CONSTANT_BUFFERS];
 449    struct iris_state_ref constbuf_surf_state[PIPE_MAX_CONSTANT_BUFFERS];
 450
 451    bool sysvals_need_upload;
 452
 453    /** Shader Storage Buffers */
 454    struct pipe_shader_buffer ssbo[PIPE_MAX_SHADER_BUFFERS];
 455    struct iris_state_ref ssbo_surf_state[PIPE_MAX_SHADER_BUFFERS];
 456
 457    /** Shader Storage Images (image load store) */
 458    struct iris_image_view image[PIPE_MAX_SHADER_IMAGES];
 459
 460    struct iris_state_ref sampler_table;
 461    struct iris_sampler_state *samplers[IRIS_MAX_TEXTURE_SAMPLERS];
 462    struct iris_sampler_view *textures[IRIS_MAX_TEXTURE_SAMPLERS];
 463
 464    /** Bitfield of which constant buffers are bound (non-null). */
 465    uint32_t bound_cbufs;
 466
 467    /** Bitfield of which image views are bound (non-null). */
 468    uint32_t bound_image_views;
 469
 470    /** Bitfield of which sampler views are bound (non-null). */
 471    uint32_t bound_sampler_views;
 472
 473    /** Bitfield of which shader storage buffers are bound (non-null). */
 474    uint32_t bound_ssbos;
 475
 476    /** Bitfield of which shader storage buffers are writable. */
 477    uint32_t writable_ssbos;
 478 };
 479
 480 /**
 481  * Gallium CSO for stream output (transform feedback) targets.
 482  */
 483 struct iris_stream_output_target {
 484    struct pipe_stream_output_target base;
 485
 486    /** Storage holding the offset where we're writing in the buffer */
 487    struct iris_state_ref offset;
 488
 489    /** Stride (bytes-per-vertex) during this transform feedback operation */
 490    uint16_t stride;
 491
 492    /** Has 3DSTATE_SO_BUFFER actually been emitted, zeroing the offsets? */
 493    bool zeroed;
 494 };
 495
 496 /**
 497  * Virtual table for generation-specific (genxml) function calls.
 498  */
 499 struct iris_vtable {
 500    void (*destroy_state)(struct iris_context *ice);
 501    void (*init_render_context)(struct iris_batch *batch);
 502    void (*init_compute_context)(struct iris_batch *batch);
 503    void (*upload_render_state)(struct iris_context *ice,
 504                                struct iris_batch *batch,
 505                                const struct pipe_draw_info *draw);
 506    void (*update_surface_base_address)(struct iris_batch *batch,
 507                                        struct iris_binder *binder);
 508    void (*upload_compute_state)(struct iris_context *ice,
 509                                 struct iris_batch *batch,
 510                                 const struct pipe_grid_info *grid);
 511    void (*rebind_buffer)(struct iris_context *ice,
 512                          struct iris_resource *res);
 513    void (*resolve_conditional_render)(struct iris_context *ice);
 514    void (*load_register_reg32)(struct iris_batch *batch, uint32_t dst,
 515                                uint32_t src);
 516    void (*load_register_reg64)(struct iris_batch *batch, uint32_t dst,
 517                                uint32_t src);
 518    void (*load_register_imm32)(struct iris_batch *batch, uint32_t reg,
 519                                uint32_t val);
 520    void (*load_register_imm64)(struct iris_batch *batch, uint32_t reg,
 521                                uint64_t val);
 522    void (*load_register_mem32)(struct iris_batch *batch, uint32_t reg,
 523                                struct iris_bo *bo, uint32_t offset);
 524    void (*load_register_mem64)(struct iris_batch *batch, uint32_t reg,
 525                                struct iris_bo *bo, uint32_t offset);
 526    void (*store_register_mem32)(struct iris_batch *batch, uint32_t reg,
 527                                 struct iris_bo *bo, uint32_t offset,
 528                                 bool predicated);
 529    void (*store_register_mem64)(struct iris_batch *batch, uint32_t reg,
 530                                 struct iris_bo *bo, uint32_t offset,
 531                                 bool predicated);
 532    void (*store_data_imm32)(struct iris_batch *batch,
 533                             struct iris_bo *bo, uint32_t offset,
 534                             uint32_t value);
 535    void (*store_data_imm64)(struct iris_batch *batch,
 536                             struct iris_bo *bo, uint32_t offset,
 537                             uint64_t value);
 538    void (*copy_mem_mem)(struct iris_batch *batch,
 539                         struct iris_bo *dst_bo, uint32_t dst_offset,
 540                         struct iris_bo *src_bo, uint32_t src_offset,
 541                         unsigned bytes);
 542    void (*emit_raw_pipe_control)(struct iris_batch *batch,
 543                                  const char *reason, uint32_t flags,
 544                                  struct iris_bo *bo, uint32_t offset,
 545                                  uint64_t imm);
 546
 547    void (*emit_mi_report_perf_count)(struct iris_batch *batch,
 548                                      struct iris_bo *bo,
 549                                      uint32_t offset_in_bytes,
 550                                      uint32_t report_id);
 551
 552    unsigned (*derived_program_state_size)(enum iris_program_cache_id id);
 553    void (*store_derived_program_state)(struct iris_context *ice,
 554                                        enum iris_program_cache_id cache_id,
 555                                        struct iris_compiled_shader *shader);
 556    uint32_t *(*create_so_decl_list)(const struct pipe_stream_output_info *sol,
 557                                     const struct brw_vue_map *vue_map);
 558    void (*populate_vs_key)(const struct iris_context *ice,
 559                            const struct shader_info *info,
 560                            gl_shader_stage last_stage,
 561                            struct iris_vs_prog_key *key);
 562    void (*populate_tcs_key)(const struct iris_context *ice,
 563                             struct iris_tcs_prog_key *key);
 564    void (*populate_tes_key)(const struct iris_context *ice,
 565                             const struct shader_info *info,
 566                             gl_shader_stage last_stage,
 567                             struct iris_tes_prog_key *key);
 568    void (*populate_gs_key)(const struct iris_context *ice,
 569                            const struct shader_info *info,
 570                            gl_shader_stage last_stage,
 571                            struct iris_gs_prog_key *key);
 572    void (*populate_fs_key)(const struct iris_context *ice,
 573                            const struct shader_info *info,
 574                            struct iris_fs_prog_key *key);
 575    void (*populate_cs_key)(const struct iris_context *ice,
 576                            struct iris_cs_prog_key *key);
 577    void (*lost_genx_state)(struct iris_context *ice, struct iris_batch *batch);
 578 };
 579
 580 /**
 581  * A pool containing SAMPLER_BORDER_COLOR_STATE entries.
 582  *
 583  * See iris_border_color.c for more information.
 584  */
 585 struct iris_border_color_pool {
 586    struct iris_bo *bo;
 587    void *map;
 588    unsigned insert_point;
 589
 590    /** Map from border colors to offsets in the buffer. */
 591    struct hash_table *ht;
 592 };
 593
 594 /**
 595  * The API context (derived from pipe_context).
 596  *
 597  * Most driver state is tracked here.
 598  */
 599 struct iris_context {
 600    struct pipe_context ctx;
 601
 602    /** A debug callback for KHR_debug output. */
 603    struct pipe_debug_callback dbg;
 604
 605    /** A device reset status callback for notifying that the GPU is hosed. */
 606    struct pipe_device_reset_callback reset;
 607
 608    /** Slab allocator for iris_transfer_map objects. */
 609    struct slab_child_pool transfer_pool;
 610
 611    struct iris_vtable vtbl;
 612
 613    struct blorp_context blorp;
 614
 615    struct iris_batch batches[IRIS_BATCH_COUNT];
 616
 617    struct u_upload_mgr *query_buffer_uploader;
 618
 619    struct {
 620       struct {
 621          /**
 622           * Either the value of BaseVertex for indexed draw calls or the value
 623           * of the argument <first> for non-indexed draw calls.
 624           */
 625          int firstvertex;
 626          int baseinstance;
 627       } params;
 628
 629       /**
 630        * Are the above values the ones stored in the draw_params buffer?
 631        * If so, we can compare them against new values to see if anything
 632        * changed.  If not, we need to assume they changed.
 633        */
 634       bool params_valid;
 635
 636       /**
 637        * Resource and offset that stores draw_parameters from the indirect
 638        * buffer or to the buffer that stures the previous values for non
 639        * indirect draws.
 640        */
 641       struct iris_state_ref draw_params;
 642
 643       struct {
 644          /**
 645           * The value of DrawID. This always comes in from it's own vertex
 646           * buffer since it's not part of the indirect draw parameters.
 647           */
 648          int drawid;
 649
 650          /**
 651           * Stores if an indexed or non-indexed draw (~0/0). Useful to
 652           * calculate BaseVertex as an AND of firstvertex and is_indexed_draw.
 653           */
 654          int is_indexed_draw;
 655       } derived_params;
 656
 657       /**
 658        * Resource and offset used for GL_ARB_shader_draw_parameters which
 659        * contains parameters that are not present in the indirect buffer as
 660        * drawid and is_indexed_draw. They will go in their own vertex element.
 661        */
 662       struct iris_state_ref derived_draw_params;
 663    } draw;
 664
 665    struct {
 666       struct iris_uncompiled_shader *uncompiled[MESA_SHADER_STAGES];
 667       struct iris_compiled_shader *prog[MESA_SHADER_STAGES];
 668       struct brw_vue_map *last_vue_map;
 669
 670       struct u_upload_mgr *uploader;
 671       struct hash_table *cache;
 672
 673       /** Is a GS or TES outputting points or lines? */
 674       bool output_topology_is_points_or_lines;
 675
 676       /**
 677        * Scratch buffers for various sizes and stages.
 678        *
 679        * Indexed by the "Per-Thread Scratch Space" field's 4-bit encoding,
 680        * and shader stage.
 681        */
 682       struct iris_bo *scratch_bos[1 << 4][MESA_SHADER_STAGES];
 683    } shaders;
 684
 685    struct {
 686       struct iris_query *query;
 687       bool condition;
 688    } condition;
 689
 690    struct gen_perf_context *perf_ctx;
 691
 692    /** Frame number for debug prints */
 693    uint32_t frame;
 694
 695    struct {
 696       uint64_t dirty;
 697       uint64_t dirty_for_nos[IRIS_NOS_COUNT];
 698
 699       unsigned num_viewports;
 700       unsigned sample_mask;
 701       struct iris_blend_state *cso_blend;
 702       struct iris_rasterizer_state *cso_rast;
 703       struct iris_depth_stencil_alpha_state *cso_zsa;
 704       struct iris_vertex_element_state *cso_vertex_elements;
 705       struct pipe_blend_color blend_color;
 706       struct pipe_poly_stipple poly_stipple;
 707       struct pipe_viewport_state viewports[IRIS_MAX_VIEWPORTS];
 708       struct pipe_scissor_state scissors[IRIS_MAX_VIEWPORTS];
 709       struct pipe_stencil_ref stencil_ref;
 710       struct pipe_framebuffer_state framebuffer;
 711       struct pipe_clip_state clip_planes;
 712
 713       float default_outer_level[4];
 714       float default_inner_level[2];
 715
 716       /** Bitfield of which vertex buffers are bound (non-null). */
 717       uint64_t bound_vertex_buffers;
 718
 719       bool primitive_restart;
 720       unsigned cut_index;
 721       enum pipe_prim_type prim_mode:8;
 722       bool prim_is_points_or_lines;
 723       uint8_t vertices_per_patch;
 724
 725       bool window_space_position;
 726
 727       /** The last compute grid size */
 728       uint32_t last_grid[3];
 729       /** Reference to the BO containing the compute grid size */
 730       struct iris_state_ref grid_size;
 731       /** Reference to the SURFACE_STATE for the compute grid resource */
 732       struct iris_state_ref grid_surf_state;
 733
 734       /**
 735        * Array of aux usages for drawing, altered to account for any
 736        * self-dependencies from resources bound for sampling and rendering.
 737        */
 738       enum isl_aux_usage draw_aux_usage[BRW_MAX_DRAW_BUFFERS];
 739
 740       enum gen_urb_deref_block_size urb_deref_block_size;
 741
 742       /** Bitfield of whether color blending is enabled for RT[i] */
 743       uint8_t blend_enables;
 744
 745       /** Are depth writes enabled?  (Depth buffer may or may not exist.) */
 746       bool depth_writes_enabled;
 747
 748       /** Are stencil writes enabled?  (Stencil buffer may or may not exist.) */
 749       bool stencil_writes_enabled;
 750
 751       /** GenX-specific current state */
 752       struct iris_genx_state *genx;
 753
 754       struct iris_shader_state shaders[MESA_SHADER_STAGES];
 755
 756       /** Do vertex shader uses shader draw parameters ? */
 757       bool vs_uses_draw_params;
 758       bool vs_uses_derived_draw_params;
 759       bool vs_needs_sgvs_element;
 760
 761       /** Do vertex shader uses edge flag ? */
 762       bool vs_needs_edge_flag;
 763
 764       /** Do any samplers need border color?  One bit per shader stage. */
 765       uint8_t need_border_colors;
 766
 767       struct pipe_stream_output_target *so_target[PIPE_MAX_SO_BUFFERS];
 768       bool streamout_active;
 769
 770       bool statistics_counters_enabled;
 771
 772       /** Current conditional rendering mode */
 773       enum iris_predicate_state predicate;
 774
 775       /**
 776        * Query BO with a MI_PREDICATE_RESULT snapshot calculated on the
 777        * render context that needs to be uploaded to the compute context.
 778        */
 779       struct iris_bo *compute_predicate;
 780
 781       /** Is a PIPE_QUERY_PRIMITIVES_GENERATED query active? */
 782       bool prims_generated_query_active;
 783
 784       /** 3DSTATE_STREAMOUT and 3DSTATE_SO_DECL_LIST packets */
 785       uint32_t *streamout;
 786
 787       /** The SURFACE_STATE for a 1x1x1 null surface. */
 788       struct iris_state_ref unbound_tex;
 789
 790       /** The SURFACE_STATE for a framebuffer-sized null surface. */
 791       struct iris_state_ref null_fb;
 792
 793       struct u_upload_mgr *surface_uploader;
 794       struct u_upload_mgr *dynamic_uploader;
 795
 796       struct iris_binder binder;
 797
 798       struct iris_border_color_pool border_color_pool;
 799
 800       /** The high 16-bits of the last VBO/index buffer addresses */
 801       uint16_t last_vbo_high_bits[33];
 802       uint16_t last_index_bo_high_bits;
 803
 804       /**
 805        * Resources containing streamed state which our render context
 806        * currently points to.  Used to re-add these to the validation
 807        * list when we start a new batch and haven't resubmitted commands.
 808        */
 809       struct {
 810          struct pipe_resource *cc_vp;
 811          struct pipe_resource *sf_cl_vp;
 812          struct pipe_resource *color_calc;
 813          struct pipe_resource *scissor;
 814          struct pipe_resource *blend;
 815          struct pipe_resource *index_buffer;
 816          struct pipe_resource *cs_thread_ids;
 817          struct pipe_resource *cs_desc;
 818       } last_res;
 819
 820       /** Records the size of variable-length state for INTEL_DEBUG=bat */
 821       struct hash_table_u64 *sizes;
 822
 823       /** Last rendering scale argument provided to genX(emit_hashing_mode). */
 824       unsigned current_hash_scale;
 825    } state;
 826 };
 827
 828 #define perf_debug(dbg, ...) do {                      \
 829    if (INTEL_DEBUG & DEBUG_PERF)                       \
 830       dbg_printf(__VA_ARGS__);                         \
 831    if (unlikely(dbg))                                  \
 832       pipe_debug_message(dbg, PERF_INFO, __VA_ARGS__); \
 833 } while(0)
 834
 835 double get_time(void);
 836
 837 struct pipe_context *
 838 iris_create_context(struct pipe_screen *screen, void *priv, unsigned flags);
 839
 840 void iris_lost_context_state(struct iris_batch *batch);
 841
 842 void iris_init_blit_functions(struct pipe_context *ctx);
 843 void iris_init_clear_functions(struct pipe_context *ctx);
 844 void iris_init_program_functions(struct pipe_context *ctx);
 845 void iris_init_resource_functions(struct pipe_context *ctx);
 846 void iris_init_perfquery_functions(struct pipe_context *ctx);
 847 void iris_update_compiled_shaders(struct iris_context *ice);
 848 void iris_update_compiled_compute_shader(struct iris_context *ice);
 849 void iris_fill_cs_push_const_buffer(struct brw_cs_prog_data *cs_prog_data,
 850                                     uint32_t *dst);
 851
 852
 853 /* iris_blit.c */
 854 void iris_blorp_surf_for_resource(struct iris_vtable *vtbl,
 855                                   struct isl_device *isl_dev,
 856                                   struct blorp_surf *surf,
 857                                   struct pipe_resource *p_res,
 858                                   enum isl_aux_usage aux_usage,
 859                                   unsigned level,
 860                                   bool is_render_target);
 861 void iris_copy_region(struct blorp_context *blorp,
 862                       struct iris_batch *batch,
 863                       struct pipe_resource *dst,
 864                       unsigned dst_level,
 865                       unsigned dstx, unsigned dsty, unsigned dstz,
 866                       struct pipe_resource *src,
 867                       unsigned src_level,
 868                       const struct pipe_box *src_box);
 869
 870 /* iris_draw.c */
 871
 872 void iris_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 873 void iris_launch_grid(struct pipe_context *, const struct pipe_grid_info *);
 874
 875 /* iris_pipe_control.c */
 876
 877 void iris_emit_pipe_control_flush(struct iris_batch *batch,
 878                                   const char *reason, uint32_t flags);
 879 void iris_emit_pipe_control_write(struct iris_batch *batch,
 880                                   const char *reason, uint32_t flags,
 881                                   struct iris_bo *bo, uint32_t offset,
 882                                   uint64_t imm);
 883 void iris_emit_end_of_pipe_sync(struct iris_batch *batch,
 884                                 const char *reason, uint32_t flags);
 885 void iris_flush_all_caches(struct iris_batch *batch);
 886
 887 #define iris_handle_always_flush_cache(batch) \
 888    if (unlikely(batch->screen->driconf.always_flush_cache)) \
 889       iris_flush_all_caches(batch);
 890
 891 void iris_init_flush_functions(struct pipe_context *ctx);
 892
 893 /* iris_border_color.c */
 894
 895 void iris_init_border_color_pool(struct iris_context *ice);
 896 void iris_destroy_border_color_pool(struct iris_context *ice);
 897 void iris_border_color_pool_reserve(struct iris_context *ice, unsigned count);
 898 uint32_t iris_upload_border_color(struct iris_context *ice,
 899                                   union pipe_color_union *color);
 900
 901 /* iris_program.c */
 902 void iris_upload_ubo_ssbo_surf_state(struct iris_context *ice,
 903                                      struct pipe_shader_buffer *buf,
 904                                      struct iris_state_ref *surf_state,
 905                                      bool ssbo);
 906 const struct shader_info *iris_get_shader_info(const struct iris_context *ice,
 907                                                gl_shader_stage stage);
 908 struct iris_bo *iris_get_scratch_space(struct iris_context *ice,
 909                                        unsigned per_thread_scratch,
 910                                        gl_shader_stage stage);
 911 uint32_t iris_group_index_to_bti(const struct iris_binding_table *bt,
 912                                  enum iris_surface_group group,
 913                                  uint32_t index);
 914 uint32_t iris_bti_to_group_index(const struct iris_binding_table *bt,
 915                                  enum iris_surface_group group,
 916                                  uint32_t bti);
 917
 918 /* iris_disk_cache.c */
 919
 920 void iris_disk_cache_store(struct disk_cache *cache,
 921                            const struct iris_uncompiled_shader *ish,
 922                            const struct iris_compiled_shader *shader,
 923                            const void *prog_key,
 924                            uint32_t prog_key_size);
 925 struct iris_compiled_shader *
 926 iris_disk_cache_retrieve(struct iris_context *ice,
 927                          const struct iris_uncompiled_shader *ish,
 928                          const void *prog_key,
 929                          uint32_t prog_key_size);
 930
 931 /* iris_program_cache.c */
 932
 933 void iris_init_program_cache(struct iris_context *ice);
 934 void iris_destroy_program_cache(struct iris_context *ice);
 935 void iris_print_program_cache(struct iris_context *ice);
 936 struct iris_compiled_shader *iris_find_cached_shader(struct iris_context *ice,
 937                                                      enum iris_program_cache_id,
 938                                                      uint32_t key_size,
 939                                                      const void *key);
 940 struct iris_compiled_shader *iris_upload_shader(struct iris_context *ice,
 941                                                 enum iris_program_cache_id,
 942                                                 uint32_t key_size,
 943                                                 const void *key,
 944                                                 const void *assembly,
 945                                                 struct brw_stage_prog_data *,
 946                                                 uint32_t *streamout,
 947                                                 enum brw_param_builtin *sysv,
 948                                                 unsigned num_system_values,
 949                                                 unsigned num_cbufs,
 950                                                 const struct iris_binding_table *bt);
 951 const void *iris_find_previous_compile(const struct iris_context *ice,
 952                                        enum iris_program_cache_id cache_id,
 953                                        unsigned program_string_id);
 954 bool iris_blorp_lookup_shader(struct blorp_batch *blorp_batch,
 955                               const void *key,
 956                               uint32_t key_size,
 957                               uint32_t *kernel_out,
 958                               void *prog_data_out);
 959 bool iris_blorp_upload_shader(struct blorp_batch *blorp_batch, uint32_t stage,
 960                               const void *key, uint32_t key_size,
 961                               const void *kernel, uint32_t kernel_size,
 962                               const struct brw_stage_prog_data *prog_data,
 963                               uint32_t prog_data_size,
 964                               uint32_t *kernel_out,
 965                               void *prog_data_out);
 966
 967 /* iris_resolve.c */
 968
 969 void iris_predraw_resolve_inputs(struct iris_context *ice,
 970                                  struct iris_batch *batch,
 971                                  bool *draw_aux_buffer_disabled,
 972                                  gl_shader_stage stage,
 973                                  bool consider_framebuffer);
 974 void iris_predraw_resolve_framebuffer(struct iris_context *ice,
 975                                       struct iris_batch *batch,
 976                                       bool *draw_aux_buffer_disabled);
 977 void iris_postdraw_update_resolve_tracking(struct iris_context *ice,
 978                                            struct iris_batch *batch);
 979 void iris_cache_sets_clear(struct iris_batch *batch);
 980 void iris_flush_depth_and_render_caches(struct iris_batch *batch);
 981 void iris_cache_flush_for_read(struct iris_batch *batch, struct iris_bo *bo);
 982 void iris_cache_flush_for_render(struct iris_batch *batch,
 983                                  struct iris_bo *bo,
 984                                  enum isl_format format,
 985                                  enum isl_aux_usage aux_usage);
 986 void iris_render_cache_add_bo(struct iris_batch *batch,
 987                               struct iris_bo *bo,
 988                               enum isl_format format,
 989                               enum isl_aux_usage aux_usage);
 990 void iris_cache_flush_for_depth(struct iris_batch *batch, struct iris_bo *bo);
 991 void iris_depth_cache_add_bo(struct iris_batch *batch, struct iris_bo *bo);
 992 int iris_get_driver_query_info(struct pipe_screen *pscreen, unsigned index,
 993                                struct pipe_driver_query_info *info);
 994 int iris_get_driver_query_group_info(struct pipe_screen *pscreen,
 995                                      unsigned index,
 996                                      struct pipe_driver_query_group_info *info);
 997
 998 /* iris_state.c */
 999 void gen9_toggle_preemption(struct iris_context *ice,
1000                             struct iris_batch *batch,
1001                             const struct pipe_draw_info *draw);
1002
1003 #ifdef genX
1004 #  include "iris_genx_protos.h"
1005 #else
1006 #  define genX(x) gen4_##x
1007 #  include "iris_genx_protos.h"
1008 #  undef genX
1009 #  define genX(x) gen5_##x
1010 #  include "iris_genx_protos.h"
1011 #  undef genX
1012 #  define genX(x) gen6_##x
1013 #  include "iris_genx_protos.h"
1014 #  undef genX
1015 #  define genX(x) gen7_##x
1016 #  include "iris_genx_protos.h"
1017 #  undef genX
1018 #  define genX(x) gen75_##x
1019 #  include "iris_genx_protos.h"
1020 #  undef genX
1021 #  define genX(x) gen8_##x
1022 #  include "iris_genx_protos.h"
1023 #  undef genX
1024 #  define genX(x) gen9_##x
1025 #  include "iris_genx_protos.h"
1026 #  undef genX
1027 #  define genX(x) gen10_##x
1028 #  include "iris_genx_protos.h"
1029 #  undef genX
1030 #  define genX(x) gen11_##x
1031 #  include "iris_genx_protos.h"
1032 #  undef genX
1033 #  define genX(x) gen12_##x
1034 #  include "iris_genx_protos.h"
1035 #  undef genX
1036 #endif
1037
1038 #endif