src/gallium/drivers/radeonsi/si_pipe.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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 SI_PIPE_H
  24 #define SI_PIPE_H
  25
  26 #include "si_shader.h"
  27
  28 #include "util/u_dynarray.h"
  29 #include "util/u_idalloc.h"
  30
  31 #ifdef PIPE_ARCH_BIG_ENDIAN
  32 #define SI_BIG_ENDIAN 1
  33 #else
  34 #define SI_BIG_ENDIAN 0
  35 #endif
  36
  37 #define ATI_VENDOR_ID 0x1002
  38
  39 #define SI_NOT_QUERY            0xffffffff
  40
  41 /* The base vertex and primitive restart can be any number, but we must pick
  42  * one which will mean "unknown" for the purpose of state tracking and
  43  * the number shouldn't be a commonly-used one. */
  44 #define SI_BASE_VERTEX_UNKNOWN INT_MIN
  45 #define SI_RESTART_INDEX_UNKNOWN INT_MIN
  46 #define SI_NUM_SMOOTH_AA_SAMPLES 8
  47 #define SI_GS_PER_ES 128
  48 /* Alignment for optimal CP DMA performance. */
  49 #define SI_CPDMA_ALIGNMENT      32
  50
  51 /* Pipeline & streamout query controls. */
  52 #define SI_CONTEXT_START_PIPELINE_STATS (1 << 0)
  53 #define SI_CONTEXT_STOP_PIPELINE_STATS  (1 << 1)
  54 #define SI_CONTEXT_FLUSH_FOR_RENDER_COND (1 << 2)
  55 /* Instruction cache. */
  56 #define SI_CONTEXT_INV_ICACHE           (1 << 3)
  57 /* SMEM L1, other names: KCACHE, constant cache, DCACHE, data cache */
  58 #define SI_CONTEXT_INV_SMEM_L1          (1 << 4)
  59 /* VMEM L1 can optionally be bypassed (GLC=1). Other names: TC L1 */
  60 #define SI_CONTEXT_INV_VMEM_L1          (1 << 5)
  61 /* Used by everything except CB/DB, can be bypassed (SLC=1). Other names: TC L2 */
  62 #define SI_CONTEXT_INV_GLOBAL_L2        (1 << 6)
  63 /* Write dirty L2 lines back to memory (shader and CP DMA stores), but don't
  64  * invalidate L2. SI-CIK can't do it, so they will do complete invalidation. */
  65 #define SI_CONTEXT_WRITEBACK_GLOBAL_L2  (1 << 7)
  66 /* Writeback & invalidate the L2 metadata cache. It can only be coupled with
  67  * a CB or DB flush. */
  68 #define SI_CONTEXT_INV_L2_METADATA      (1 << 8)
  69 /* Framebuffer caches. */
  70 #define SI_CONTEXT_FLUSH_AND_INV_DB     (1 << 9)
  71 #define SI_CONTEXT_FLUSH_AND_INV_DB_META (1 << 10)
  72 #define SI_CONTEXT_FLUSH_AND_INV_CB     (1 << 11)
  73 /* Engine synchronization. */
  74 #define SI_CONTEXT_VS_PARTIAL_FLUSH     (1 << 12)
  75 #define SI_CONTEXT_PS_PARTIAL_FLUSH     (1 << 13)
  76 #define SI_CONTEXT_CS_PARTIAL_FLUSH     (1 << 14)
  77 #define SI_CONTEXT_VGT_FLUSH            (1 << 15)
  78 #define SI_CONTEXT_VGT_STREAMOUT_SYNC   (1 << 16)
  79
  80 #define SI_PREFETCH_VBO_DESCRIPTORS     (1 << 0)
  81 #define SI_PREFETCH_LS                  (1 << 1)
  82 #define SI_PREFETCH_HS                  (1 << 2)
  83 #define SI_PREFETCH_ES                  (1 << 3)
  84 #define SI_PREFETCH_GS                  (1 << 4)
  85 #define SI_PREFETCH_VS                  (1 << 5)
  86 #define SI_PREFETCH_PS                  (1 << 6)
  87
  88 #define SI_MAX_BORDER_COLORS    4096
  89 #define SI_MAX_VIEWPORTS        16
  90 #define SIX_BITS                0x3F
  91
  92 struct si_compute;
  93 struct hash_table;
  94 struct u_suballocator;
  95
  96 struct si_screen {
  97         struct pipe_screen              b;
  98         struct radeon_winsys            *ws;
  99         struct disk_cache               *disk_shader_cache;
 100
 101         struct radeon_info              info;
 102         uint64_t                        debug_flags;
 103         char                            renderer_string[100];
 104
 105         unsigned                        gs_table_depth;
 106         unsigned                        tess_offchip_block_dw_size;
 107         unsigned                        tess_offchip_ring_size;
 108         unsigned                        tess_factor_ring_size;
 109         unsigned                        vgt_hs_offchip_param;
 110         bool                            has_clear_state;
 111         bool                            has_distributed_tess;
 112         bool                            has_draw_indirect_multi;
 113         bool                            has_out_of_order_rast;
 114         bool                            assume_no_z_fights;
 115         bool                            commutative_blend_add;
 116         bool                            clear_db_cache_before_clear;
 117         bool                            has_msaa_sample_loc_bug;
 118         bool                            has_ls_vgpr_init_bug;
 119         bool                            dpbb_allowed;
 120         bool                            dfsm_allowed;
 121         bool                            llvm_has_working_vgpr_indexing;
 122
 123         /* Whether shaders are monolithic (1-part) or separate (3-part). */
 124         bool                            use_monolithic_shaders;
 125         bool                            record_llvm_ir;
 126         bool                            has_rbplus;     /* if RB+ registers exist */
 127         bool                            rbplus_allowed; /* if RB+ is allowed */
 128         bool                            dcc_msaa_allowed;
 129         bool                            cpdma_prefetch_writes_memory;
 130
 131         struct slab_parent_pool         pool_transfers;
 132
 133         /* Texture filter settings. */
 134         int                             force_aniso; /* -1 = disabled */
 135
 136         /* Auxiliary context. Mainly used to initialize resources.
 137          * It must be locked prior to using and flushed before unlocking. */
 138         struct pipe_context             *aux_context;
 139         mtx_t                           aux_context_lock;
 140
 141         /* This must be in the screen, because UE4 uses one context for
 142          * compilation and another one for rendering.
 143          */
 144         unsigned                        num_compilations;
 145         /* Along with ST_DEBUG=precompile, this should show if applications
 146          * are loading shaders on demand. This is a monotonic counter.
 147          */
 148         unsigned                        num_shaders_created;
 149         unsigned                        num_shader_cache_hits;
 150
 151         /* GPU load thread. */
 152         mtx_t                           gpu_load_mutex;
 153         thrd_t                          gpu_load_thread;
 154         union r600_mmio_counters        mmio_counters;
 155         volatile unsigned               gpu_load_stop_thread; /* bool */
 156
 157         /* Performance counters. */
 158         struct r600_perfcounters        *perfcounters;
 159
 160         /* If pipe_screen wants to recompute and re-emit the framebuffer,
 161          * sampler, and image states of all contexts, it should atomically
 162          * increment this.
 163          *
 164          * Each context will compare this with its own last known value of
 165          * the counter before drawing and re-emit the states accordingly.
 166          */
 167         unsigned                        dirty_tex_counter;
 168
 169         /* Atomically increment this counter when an existing texture's
 170          * metadata is enabled or disabled in a way that requires changing
 171          * contexts' compressed texture binding masks.
 172          */
 173         unsigned                        compressed_colortex_counter;
 174
 175         struct {
 176                 /* Context flags to set so that all writes from earlier jobs
 177                  * in the CP are seen by L2 clients.
 178                  */
 179                 unsigned cp_to_L2;
 180
 181                 /* Context flags to set so that all writes from earlier jobs
 182                  * that end in L2 are seen by CP.
 183                  */
 184                 unsigned L2_to_cp;
 185         } barrier_flags;
 186
 187         mtx_t                   shader_parts_mutex;
 188         struct si_shader_part           *vs_prologs;
 189         struct si_shader_part           *tcs_epilogs;
 190         struct si_shader_part           *gs_prologs;
 191         struct si_shader_part           *ps_prologs;
 192         struct si_shader_part           *ps_epilogs;
 193
 194         /* Shader cache in memory.
 195          *
 196          * Design & limitations:
 197          * - The shader cache is per screen (= per process), never saved to
 198          *   disk, and skips redundant shader compilations from TGSI to bytecode.
 199          * - It can only be used with one-variant-per-shader support, in which
 200          *   case only the main (typically middle) part of shaders is cached.
 201          * - Only VS, TCS, TES, PS are cached, out of which only the hw VS
 202          *   variants of VS and TES are cached, so LS and ES aren't.
 203          * - GS and CS aren't cached, but it's certainly possible to cache
 204          *   those as well.
 205          */
 206         mtx_t                   shader_cache_mutex;
 207         struct hash_table               *shader_cache;
 208
 209         /* Shader compiler queue for multithreaded compilation. */
 210         struct util_queue               shader_compiler_queue;
 211         /* Use at most 3 normal compiler threads on quadcore and better.
 212          * Hyperthreaded CPUs report the number of threads, but we want
 213          * the number of cores. */
 214         LLVMTargetMachineRef            tm[3]; /* used by the queue only */
 215
 216         struct util_queue               shader_compiler_queue_low_priority;
 217         /* Use at most 2 low priority threads on quadcore and better.
 218          * We want to minimize the impact on multithreaded Mesa. */
 219         LLVMTargetMachineRef            tm_low_priority[2]; /* at most 2 threads */
 220 };
 221
 222 struct si_blend_color {
 223         struct r600_atom                atom;
 224         struct pipe_blend_color         state;
 225         bool                            any_nonzeros;
 226 };
 227
 228 struct si_sampler_view {
 229         struct pipe_sampler_view        base;
 230         /* [0..7] = image descriptor
 231          * [4..7] = buffer descriptor */
 232         uint32_t                        state[8];
 233         uint32_t                        fmask_state[8];
 234         const struct legacy_surf_level  *base_level_info;
 235         ubyte                           base_level;
 236         ubyte                           block_width;
 237         bool is_stencil_sampler;
 238         bool is_integer;
 239         bool dcc_incompatible;
 240 };
 241
 242 #define SI_SAMPLER_STATE_MAGIC 0x34f1c35a
 243
 244 struct si_sampler_state {
 245 #ifdef DEBUG
 246         unsigned                        magic;
 247 #endif
 248         uint32_t                        val[4];
 249         uint32_t                        integer_val[4];
 250         uint32_t                        upgraded_depth_val[4];
 251 };
 252
 253 struct si_cs_shader_state {
 254         struct si_compute               *program;
 255         struct si_compute               *emitted_program;
 256         unsigned                        offset;
 257         bool                            initialized;
 258         bool                            uses_scratch;
 259 };
 260
 261 struct si_samplers {
 262         struct pipe_sampler_view        *views[SI_NUM_SAMPLERS];
 263         struct si_sampler_state         *sampler_states[SI_NUM_SAMPLERS];
 264
 265         /* The i-th bit is set if that element is enabled (non-NULL resource). */
 266         unsigned                        enabled_mask;
 267         uint32_t                        needs_depth_decompress_mask;
 268         uint32_t                        needs_color_decompress_mask;
 269 };
 270
 271 struct si_images {
 272         struct pipe_image_view          views[SI_NUM_IMAGES];
 273         uint32_t                        needs_color_decompress_mask;
 274         unsigned                        enabled_mask;
 275 };
 276
 277 struct si_framebuffer {
 278         struct r600_atom                atom;
 279         struct pipe_framebuffer_state   state;
 280         unsigned                        colorbuf_enabled_4bit;
 281         unsigned                        spi_shader_col_format;
 282         unsigned                        spi_shader_col_format_alpha;
 283         unsigned                        spi_shader_col_format_blend;
 284         unsigned                        spi_shader_col_format_blend_alpha;
 285         ubyte                           nr_samples:5; /* at most 16xAA */
 286         ubyte                           log_samples:3; /* at most 4 = 16xAA */
 287         ubyte                           compressed_cb_mask;
 288         ubyte                           uncompressed_cb_mask;
 289         ubyte                           color_is_int8;
 290         ubyte                           color_is_int10;
 291         ubyte                           dirty_cbufs;
 292         bool                            dirty_zsbuf;
 293         bool                            any_dst_linear;
 294         bool                            CB_has_shader_readable_metadata;
 295         bool                            DB_has_shader_readable_metadata;
 296 };
 297
 298 struct si_signed_scissor {
 299         int minx;
 300         int miny;
 301         int maxx;
 302         int maxy;
 303 };
 304
 305 struct si_scissors {
 306         struct r600_atom                atom;
 307         unsigned                        dirty_mask;
 308         struct pipe_scissor_state       states[SI_MAX_VIEWPORTS];
 309 };
 310
 311 struct si_viewports {
 312         struct r600_atom                atom;
 313         unsigned                        dirty_mask;
 314         unsigned                        depth_range_dirty_mask;
 315         struct pipe_viewport_state      states[SI_MAX_VIEWPORTS];
 316         struct si_signed_scissor        as_scissor[SI_MAX_VIEWPORTS];
 317 };
 318
 319 struct si_clip_state {
 320         struct r600_atom                atom;
 321         struct pipe_clip_state          state;
 322         bool                            any_nonzeros;
 323 };
 324
 325 struct si_sample_locs {
 326         struct r600_atom        atom;
 327         unsigned                nr_samples;
 328 };
 329
 330 struct si_sample_mask {
 331         struct r600_atom        atom;
 332         uint16_t                sample_mask;
 333 };
 334
 335 struct si_streamout_target {
 336         struct pipe_stream_output_target b;
 337
 338         /* The buffer where BUFFER_FILLED_SIZE is stored. */
 339         struct r600_resource    *buf_filled_size;
 340         unsigned                buf_filled_size_offset;
 341         bool                    buf_filled_size_valid;
 342
 343         unsigned                stride_in_dw;
 344 };
 345
 346 struct si_streamout {
 347         struct r600_atom                begin_atom;
 348         bool                            begin_emitted;
 349
 350         unsigned                        enabled_mask;
 351         unsigned                        num_targets;
 352         struct si_streamout_target      *targets[PIPE_MAX_SO_BUFFERS];
 353
 354         unsigned                        append_bitmask;
 355         bool                            suspended;
 356
 357         /* External state which comes from the vertex shader,
 358          * it must be set explicitly when binding a shader. */
 359         uint16_t                        *stride_in_dw;
 360         unsigned                        enabled_stream_buffers_mask; /* stream0 buffers0-3 in 4 LSB */
 361
 362         /* The state of VGT_STRMOUT_BUFFER_(CONFIG|EN). */
 363         unsigned                        hw_enabled_mask;
 364
 365         /* The state of VGT_STRMOUT_(CONFIG|EN). */
 366         struct r600_atom                enable_atom;
 367         bool                            streamout_enabled;
 368         bool                            prims_gen_query_enabled;
 369         int                             num_prims_gen_queries;
 370 };
 371
 372 /* A shader state consists of the shader selector, which is a constant state
 373  * object shared by multiple contexts and shouldn't be modified, and
 374  * the current shader variant selected for this context.
 375  */
 376 struct si_shader_ctx_state {
 377         struct si_shader_selector       *cso;
 378         struct si_shader                *current;
 379 };
 380
 381 #define SI_NUM_VGT_PARAM_KEY_BITS 12
 382 #define SI_NUM_VGT_PARAM_STATES (1 << SI_NUM_VGT_PARAM_KEY_BITS)
 383
 384 /* The IA_MULTI_VGT_PARAM key used to index the table of precomputed values.
 385  * Some fields are set by state-change calls, most are set by draw_vbo.
 386  */
 387 union si_vgt_param_key {
 388         struct {
 389                 unsigned prim:4;
 390                 unsigned uses_instancing:1;
 391                 unsigned multi_instances_smaller_than_primgroup:1;
 392                 unsigned primitive_restart:1;
 393                 unsigned count_from_stream_output:1;
 394                 unsigned line_stipple_enabled:1;
 395                 unsigned uses_tess:1;
 396                 unsigned tess_uses_prim_id:1;
 397                 unsigned uses_gs:1;
 398                 unsigned _pad:32 - SI_NUM_VGT_PARAM_KEY_BITS;
 399         } u;
 400         uint32_t index;
 401 };
 402
 403 struct si_texture_handle
 404 {
 405         unsigned                        desc_slot;
 406         bool                            desc_dirty;
 407         struct pipe_sampler_view        *view;
 408         struct si_sampler_state         sstate;
 409 };
 410
 411 struct si_image_handle
 412 {
 413         unsigned                        desc_slot;
 414         bool                            desc_dirty;
 415         struct pipe_image_view          view;
 416 };
 417
 418 struct si_saved_cs {
 419         struct pipe_reference   reference;
 420         struct si_context       *ctx;
 421         struct radeon_saved_cs  gfx;
 422         struct r600_resource    *trace_buf;
 423         unsigned                trace_id;
 424
 425         unsigned                gfx_last_dw;
 426         bool                    flushed;
 427         int64_t                 time_flush;
 428 };
 429
 430 struct si_context {
 431         struct r600_common_context      b;
 432         struct blitter_context          *blitter;
 433         void                            *custom_dsa_flush;
 434         void                            *custom_blend_resolve;
 435         void                            *custom_blend_fmask_decompress;
 436         void                            *custom_blend_eliminate_fastclear;
 437         void                            *custom_blend_dcc_decompress;
 438         void                            *vs_blit_pos;
 439         void                            *vs_blit_pos_layered;
 440         void                            *vs_blit_color;
 441         void                            *vs_blit_color_layered;
 442         void                            *vs_blit_texcoord;
 443         struct si_screen                *screen;
 444         struct pipe_debug_callback      debug;
 445         LLVMTargetMachineRef            tm; /* only non-threaded compilation */
 446         struct si_shader_ctx_state      fixed_func_tcs_shader;
 447         struct r600_resource            *wait_mem_scratch;
 448         unsigned                        wait_mem_number;
 449         uint16_t                        prefetch_L2_mask;
 450
 451         bool                            gfx_flush_in_progress:1;
 452         bool                            compute_is_busy:1;
 453
 454         /* Atoms (direct states). */
 455         union si_state_atoms            atoms;
 456         unsigned                        dirty_atoms; /* mask */
 457         /* PM4 states (precomputed immutable states) */
 458         unsigned                        dirty_states;
 459         union si_state                  queued;
 460         union si_state                  emitted;
 461
 462         /* Atom declarations. */
 463         struct si_framebuffer           framebuffer;
 464         struct si_sample_locs           msaa_sample_locs;
 465         struct r600_atom                db_render_state;
 466         struct r600_atom                dpbb_state;
 467         struct r600_atom                msaa_config;
 468         struct si_sample_mask           sample_mask;
 469         struct r600_atom                cb_render_state;
 470         unsigned                        last_cb_target_mask;
 471         struct si_blend_color           blend_color;
 472         struct r600_atom                clip_regs;
 473         struct si_clip_state            clip_state;
 474         struct si_shader_data           shader_pointers;
 475         struct si_stencil_ref           stencil_ref;
 476         struct r600_atom                spi_map;
 477         struct si_scissors              scissors;
 478         struct si_streamout             streamout;
 479         struct si_viewports             viewports;
 480
 481         /* Precomputed states. */
 482         struct si_pm4_state             *init_config;
 483         struct si_pm4_state             *init_config_gs_rings;
 484         bool                            init_config_has_vgt_flush;
 485         struct si_pm4_state             *vgt_shader_config[4];
 486
 487         /* shaders */
 488         struct si_shader_ctx_state      ps_shader;
 489         struct si_shader_ctx_state      gs_shader;
 490         struct si_shader_ctx_state      vs_shader;
 491         struct si_shader_ctx_state      tcs_shader;
 492         struct si_shader_ctx_state      tes_shader;
 493         struct si_cs_shader_state       cs_shader_state;
 494
 495         /* shader information */
 496         struct si_vertex_elements       *vertex_elements;
 497         unsigned                        sprite_coord_enable;
 498         bool                            flatshade;
 499         bool                            do_update_shaders;
 500
 501         /* vertex buffer descriptors */
 502         uint32_t *vb_descriptors_gpu_list;
 503         struct r600_resource *vb_descriptors_buffer;
 504         unsigned vb_descriptors_offset;
 505
 506         /* shader descriptors */
 507         struct si_descriptors           descriptors[SI_NUM_DESCS];
 508         unsigned                        descriptors_dirty;
 509         unsigned                        shader_pointers_dirty;
 510         unsigned                        shader_needs_decompress_mask;
 511         struct si_buffer_resources      rw_buffers;
 512         struct si_buffer_resources      const_and_shader_buffers[SI_NUM_SHADERS];
 513         struct si_samplers              samplers[SI_NUM_SHADERS];
 514         struct si_images                images[SI_NUM_SHADERS];
 515
 516         /* other shader resources */
 517         struct pipe_constant_buffer     null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 518         struct pipe_resource            *esgs_ring;
 519         struct pipe_resource            *gsvs_ring;
 520         struct pipe_resource            *tess_rings;
 521         union pipe_color_union          *border_color_table; /* in CPU memory, any endian */
 522         struct r600_resource            *border_color_buffer;
 523         union pipe_color_union          *border_color_map; /* in VRAM (slow access), little endian */
 524         unsigned                        border_color_count;
 525         unsigned                        num_vs_blit_sgprs;
 526         uint32_t                        vs_blit_sh_data[SI_VS_BLIT_SGPRS_POS_TEXCOORD];
 527
 528         /* Vertex and index buffers. */
 529         bool                            vertex_buffers_dirty;
 530         bool                            vertex_buffer_pointer_dirty;
 531         struct pipe_vertex_buffer       vertex_buffer[SI_NUM_VERTEX_BUFFERS];
 532
 533         /* MSAA config state. */
 534         int                             ps_iter_samples;
 535         bool                            ps_uses_fbfetch;
 536         bool                            smoothing_enabled;
 537
 538         /* DB render state. */
 539         unsigned                ps_db_shader_control;
 540         unsigned                dbcb_copy_sample;
 541         bool                    dbcb_depth_copy_enabled:1;
 542         bool                    dbcb_stencil_copy_enabled:1;
 543         bool                    db_flush_depth_inplace:1;
 544         bool                    db_flush_stencil_inplace:1;
 545         bool                    db_depth_clear:1;
 546         bool                    db_depth_disable_expclear:1;
 547         bool                    db_stencil_clear:1;
 548         bool                    db_stencil_disable_expclear:1;
 549         bool                    occlusion_queries_disabled:1;
 550         bool                    generate_mipmap_for_depth:1;
 551
 552         /* Emitted draw state. */
 553         bool                    gs_tri_strip_adj_fix:1;
 554         bool                    ls_vgpr_fix:1;
 555         int                     last_index_size;
 556         int                     last_base_vertex;
 557         int                     last_start_instance;
 558         int                     last_drawid;
 559         int                     last_sh_base_reg;
 560         int                     last_primitive_restart_en;
 561         int                     last_restart_index;
 562         int                     last_gs_out_prim;
 563         int                     last_prim;
 564         int                     last_multi_vgt_param;
 565         int                     last_rast_prim;
 566         unsigned                last_sc_line_stipple;
 567         unsigned                current_vs_state;
 568         unsigned                last_vs_state;
 569         enum pipe_prim_type     current_rast_prim; /* primitive type after TES, GS */
 570
 571         /* Scratch buffer */
 572         struct r600_atom        scratch_state;
 573         struct r600_resource    *scratch_buffer;
 574         unsigned                scratch_waves;
 575         unsigned                spi_tmpring_size;
 576
 577         struct r600_resource    *compute_scratch_buffer;
 578
 579         /* Emitted derived tessellation state. */
 580         /* Local shader (VS), or HS if LS-HS are merged. */
 581         struct si_shader        *last_ls;
 582         struct si_shader_selector *last_tcs;
 583         int                     last_num_tcs_input_cp;
 584         int                     last_tes_sh_base;
 585         bool                    last_tess_uses_primid;
 586         unsigned                last_num_patches;
 587
 588         /* Debug state. */
 589         bool                    is_debug;
 590         struct si_saved_cs      *current_saved_cs;
 591         uint64_t                dmesg_timestamp;
 592         unsigned                apitrace_call_number;
 593
 594         /* Other state */
 595         bool need_check_render_feedback;
 596         bool                    decompression_enabled;
 597
 598         bool                    vs_writes_viewport_index;
 599         bool                    vs_disables_clipping_viewport;
 600
 601         /* Precomputed IA_MULTI_VGT_PARAM */
 602         union si_vgt_param_key  ia_multi_vgt_param_key;
 603         unsigned                ia_multi_vgt_param[SI_NUM_VGT_PARAM_STATES];
 604
 605         /* Bindless descriptors. */
 606         struct si_descriptors   bindless_descriptors;
 607         struct util_idalloc     bindless_used_slots;
 608         unsigned                num_bindless_descriptors;
 609         bool                    bindless_descriptors_dirty;
 610         bool                    graphics_bindless_pointer_dirty;
 611         bool                    compute_bindless_pointer_dirty;
 612
 613         /* Allocated bindless handles */
 614         struct hash_table       *tex_handles;
 615         struct hash_table       *img_handles;
 616
 617         /* Resident bindless handles */
 618         struct util_dynarray    resident_tex_handles;
 619         struct util_dynarray    resident_img_handles;
 620
 621         /* Resident bindless handles which need decompression */
 622         struct util_dynarray    resident_tex_needs_color_decompress;
 623         struct util_dynarray    resident_img_needs_color_decompress;
 624         struct util_dynarray    resident_tex_needs_depth_decompress;
 625
 626         /* Bindless state */
 627         bool                    uses_bindless_samplers;
 628         bool                    uses_bindless_images;
 629
 630         /* MSAA sample locations.
 631          * The first index is the sample index.
 632          * The second index is the coordinate: X, Y. */
 633         float                   sample_locations_1x[1][2];
 634         float                   sample_locations_2x[2][2];
 635         float                   sample_locations_4x[4][2];
 636         float                   sample_locations_8x[8][2];
 637         float                   sample_locations_16x[16][2];
 638 };
 639
 640 /* cik_sdma.c */
 641 void cik_init_sdma_functions(struct si_context *sctx);
 642
 643 /* si_blit.c */
 644 enum si_blitter_op /* bitmask */
 645 {
 646         SI_SAVE_TEXTURES      = 1,
 647         SI_SAVE_FRAMEBUFFER   = 2,
 648         SI_SAVE_FRAGMENT_STATE = 4,
 649         SI_DISABLE_RENDER_COND = 8,
 650 };
 651
 652 void si_blitter_begin(struct pipe_context *ctx, enum si_blitter_op op);
 653 void si_blitter_end(struct pipe_context *ctx);
 654 void si_init_blit_functions(struct si_context *sctx);
 655 void si_decompress_textures(struct si_context *sctx, unsigned shader_mask);
 656 void si_resource_copy_region(struct pipe_context *ctx,
 657                              struct pipe_resource *dst,
 658                              unsigned dst_level,
 659                              unsigned dstx, unsigned dsty, unsigned dstz,
 660                              struct pipe_resource *src,
 661                              unsigned src_level,
 662                              const struct pipe_box *src_box);
 663 void si_decompress_dcc(struct pipe_context *ctx, struct r600_texture *rtex);
 664 void si_blit_decompress_depth(struct pipe_context *ctx,
 665                               struct r600_texture *texture,
 666                               struct r600_texture *staging,
 667                               unsigned first_level, unsigned last_level,
 668                               unsigned first_layer, unsigned last_layer,
 669                               unsigned first_sample, unsigned last_sample);
 670
 671 /* si_clear.c */
 672 void vi_dcc_clear_level(struct si_context *sctx,
 673                         struct r600_texture *rtex,
 674                         unsigned level, unsigned clear_value);
 675 void si_init_clear_functions(struct si_context *sctx);
 676
 677 /* si_cp_dma.c */
 678 #define SI_CPDMA_SKIP_CHECK_CS_SPACE    (1 << 0) /* don't call need_cs_space */
 679 #define SI_CPDMA_SKIP_SYNC_AFTER        (1 << 1) /* don't wait for DMA after the copy */
 680 #define SI_CPDMA_SKIP_SYNC_BEFORE       (1 << 2) /* don't wait for DMA before the copy (RAW hazards) */
 681 #define SI_CPDMA_SKIP_GFX_SYNC          (1 << 3) /* don't flush caches and don't wait for PS/CS */
 682 #define SI_CPDMA_SKIP_BO_LIST_UPDATE    (1 << 4) /* don't update the BO list */
 683 #define SI_CPDMA_SKIP_ALL (SI_CPDMA_SKIP_CHECK_CS_SPACE | \
 684                            SI_CPDMA_SKIP_SYNC_AFTER | \
 685                            SI_CPDMA_SKIP_SYNC_BEFORE | \
 686                            SI_CPDMA_SKIP_GFX_SYNC | \
 687                            SI_CPDMA_SKIP_BO_LIST_UPDATE)
 688
 689 enum r600_coherency {
 690         R600_COHERENCY_NONE, /* no cache flushes needed */
 691         R600_COHERENCY_SHADER,
 692         R600_COHERENCY_CB_META,
 693 };
 694
 695 void si_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
 696                      uint64_t offset, uint64_t size, unsigned value,
 697                      enum r600_coherency coher);
 698 void si_copy_buffer(struct si_context *sctx,
 699                     struct pipe_resource *dst, struct pipe_resource *src,
 700                     uint64_t dst_offset, uint64_t src_offset, unsigned size,
 701                     unsigned user_flags);
 702 void cik_prefetch_TC_L2_async(struct si_context *sctx, struct pipe_resource *buf,
 703                               uint64_t offset, unsigned size);
 704 void cik_emit_prefetch_L2(struct si_context *sctx);
 705 void si_init_cp_dma_functions(struct si_context *sctx);
 706
 707 /* si_debug.c */
 708 void si_auto_log_cs(void *data, struct u_log_context *log);
 709 void si_log_hw_flush(struct si_context *sctx);
 710 void si_log_draw_state(struct si_context *sctx, struct u_log_context *log);
 711 void si_log_compute_state(struct si_context *sctx, struct u_log_context *log);
 712 void si_init_debug_functions(struct si_context *sctx);
 713 void si_check_vm_faults(struct r600_common_context *ctx,
 714                         struct radeon_saved_cs *saved, enum ring_type ring);
 715 bool si_replace_shader(unsigned num, struct ac_shader_binary *binary);
 716
 717 /* si_dma.c */
 718 void si_init_dma_functions(struct si_context *sctx);
 719
 720 /* si_fence.c */
 721 void si_init_fence_functions(struct si_context *ctx);
 722 void si_init_screen_fence_functions(struct si_screen *screen);
 723 struct pipe_fence_handle *si_create_fence(struct pipe_context *ctx,
 724                                           struct tc_unflushed_batch_token *tc_token);
 725
 726 /* si_get.c */
 727 const char *si_get_family_name(const struct si_screen *sscreen);
 728 void si_init_screen_get_functions(struct si_screen *sscreen);
 729
 730 /* si_hw_context.c */
 731 void si_destroy_saved_cs(struct si_saved_cs *scs);
 732 void si_flush_gfx_cs(void *context, unsigned flags,
 733                      struct pipe_fence_handle **fence);
 734 void si_begin_new_cs(struct si_context *ctx);
 735 void si_need_gfx_cs_space(struct si_context *ctx);
 736
 737 /* si_compute.c */
 738 void si_init_compute_functions(struct si_context *sctx);
 739
 740 /* si_perfcounters.c */
 741 void si_init_perfcounters(struct si_screen *screen);
 742
 743 /* si_test_dma.c */
 744 void si_test_dma(struct si_screen *sscreen);
 745
 746 /* si_uvd.c */
 747 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 748                                                const struct pipe_video_codec *templ);
 749
 750 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 751                                                  const struct pipe_video_buffer *tmpl);
 752
 753 /* si_viewport.c */
 754 void si_update_vs_viewport_state(struct si_context *ctx);
 755 void si_init_viewport_functions(struct si_context *ctx);
 756
 757
 758 /*
 759  * common helpers
 760  */
 761
 762 static inline void
 763 si_context_add_resource_size(struct pipe_context *ctx, struct pipe_resource *r)
 764 {
 765         struct r600_common_context *rctx = (struct r600_common_context *)ctx;
 766         struct r600_resource *res = (struct r600_resource *)r;
 767
 768         if (res) {
 769                 /* Add memory usage for need_gfx_cs_space */
 770                 rctx->vram += res->vram_usage;
 771                 rctx->gtt += res->gart_usage;
 772         }
 773 }
 774
 775 static inline void
 776 si_invalidate_draw_sh_constants(struct si_context *sctx)
 777 {
 778         sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
 779 }
 780
 781 static inline void
 782 si_set_atom_dirty(struct si_context *sctx,
 783                   struct r600_atom *atom, bool dirty)
 784 {
 785         unsigned bit = 1 << atom->id;
 786
 787         if (dirty)
 788                 sctx->dirty_atoms |= bit;
 789         else
 790                 sctx->dirty_atoms &= ~bit;
 791 }
 792
 793 static inline bool
 794 si_is_atom_dirty(struct si_context *sctx,
 795                   struct r600_atom *atom)
 796 {
 797         unsigned bit = 1 << atom->id;
 798
 799         return sctx->dirty_atoms & bit;
 800 }
 801
 802 static inline void
 803 si_mark_atom_dirty(struct si_context *sctx,
 804                    struct r600_atom *atom)
 805 {
 806         si_set_atom_dirty(sctx, atom, true);
 807 }
 808
 809 static inline struct si_shader_ctx_state *si_get_vs(struct si_context *sctx)
 810 {
 811         if (sctx->gs_shader.cso)
 812                 return &sctx->gs_shader;
 813         if (sctx->tes_shader.cso)
 814                 return &sctx->tes_shader;
 815
 816         return &sctx->vs_shader;
 817 }
 818
 819 static inline struct tgsi_shader_info *si_get_vs_info(struct si_context *sctx)
 820 {
 821         struct si_shader_ctx_state *vs = si_get_vs(sctx);
 822
 823         return vs->cso ? &vs->cso->info : NULL;
 824 }
 825
 826 static inline struct si_shader* si_get_vs_state(struct si_context *sctx)
 827 {
 828         if (sctx->gs_shader.cso)
 829                 return sctx->gs_shader.cso->gs_copy_shader;
 830
 831         struct si_shader_ctx_state *vs = si_get_vs(sctx);
 832         return vs->current ? vs->current : NULL;
 833 }
 834
 835 static inline bool si_can_dump_shader(struct si_screen *sscreen,
 836                                       unsigned processor)
 837 {
 838         return sscreen->debug_flags & (1 << processor);
 839 }
 840
 841 static inline bool si_extra_shader_checks(struct si_screen *sscreen,
 842                                           unsigned processor)
 843 {
 844         return (sscreen->debug_flags & DBG(CHECK_IR)) ||
 845                si_can_dump_shader(sscreen, processor);
 846 }
 847
 848 static inline bool si_get_strmout_en(struct si_context *sctx)
 849 {
 850         return sctx->streamout.streamout_enabled ||
 851                sctx->streamout.prims_gen_query_enabled;
 852 }
 853
 854 static inline unsigned
 855 si_optimal_tcc_alignment(struct si_context *sctx, unsigned upload_size)
 856 {
 857         unsigned alignment, tcc_cache_line_size;
 858
 859         /* If the upload size is less than the cache line size (e.g. 16, 32),
 860          * the whole thing will fit into a cache line if we align it to its size.
 861          * The idea is that multiple small uploads can share a cache line.
 862          * If the upload size is greater, align it to the cache line size.
 863          */
 864         alignment = util_next_power_of_two(upload_size);
 865         tcc_cache_line_size = sctx->screen->info.tcc_cache_line_size;
 866         return MIN2(alignment, tcc_cache_line_size);
 867 }
 868
 869 static inline void
 870 si_saved_cs_reference(struct si_saved_cs **dst, struct si_saved_cs *src)
 871 {
 872         if (pipe_reference(&(*dst)->reference, &src->reference))
 873                 si_destroy_saved_cs(*dst);
 874
 875         *dst = src;
 876 }
 877
 878 static inline void
 879 si_make_CB_shader_coherent(struct si_context *sctx, unsigned num_samples,
 880                            bool shaders_read_metadata)
 881 {
 882         sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_CB |
 883                          SI_CONTEXT_INV_VMEM_L1;
 884
 885         if (sctx->b.chip_class >= GFX9) {
 886                 /* Single-sample color is coherent with shaders on GFX9, but
 887                  * L2 metadata must be flushed if shaders read metadata.
 888                  * (DCC, CMASK).
 889                  */
 890                 if (num_samples >= 2)
 891                         sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2;
 892                 else if (shaders_read_metadata)
 893                         sctx->b.flags |= SI_CONTEXT_INV_L2_METADATA;
 894         } else {
 895                 /* SI-CI-VI */
 896                 sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2;
 897         }
 898 }
 899
 900 static inline void
 901 si_make_DB_shader_coherent(struct si_context *sctx, unsigned num_samples,
 902                            bool include_stencil, bool shaders_read_metadata)
 903 {
 904         sctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_DB |
 905                          SI_CONTEXT_INV_VMEM_L1;
 906
 907         if (sctx->b.chip_class >= GFX9) {
 908                 /* Single-sample depth (not stencil) is coherent with shaders
 909                  * on GFX9, but L2 metadata must be flushed if shaders read
 910                  * metadata.
 911                  */
 912                 if (num_samples >= 2 || include_stencil)
 913                         sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2;
 914                 else if (shaders_read_metadata)
 915                         sctx->b.flags |= SI_CONTEXT_INV_L2_METADATA;
 916         } else {
 917                 /* SI-CI-VI */
 918                 sctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2;
 919         }
 920 }
 921
 922 static inline bool
 923 si_can_sample_zs(struct r600_texture *tex, bool stencil_sampler)
 924 {
 925         return (stencil_sampler && tex->can_sample_s) ||
 926                (!stencil_sampler && tex->can_sample_z);
 927 }
 928
 929 static inline bool
 930 si_htile_enabled(struct r600_texture *tex, unsigned level)
 931 {
 932         return tex->htile_offset && level == 0;
 933 }
 934
 935 static inline bool
 936 vi_tc_compat_htile_enabled(struct r600_texture *tex, unsigned level)
 937 {
 938         assert(!tex->tc_compatible_htile || tex->htile_offset);
 939         return tex->tc_compatible_htile && level == 0;
 940 }
 941
 942 static inline unsigned si_get_ps_iter_samples(struct si_context *sctx)
 943 {
 944         if (sctx->ps_uses_fbfetch)
 945                 return sctx->framebuffer.nr_samples;
 946
 947         return sctx->ps_iter_samples;
 948 }
 949
 950 static inline unsigned si_get_total_colormask(struct si_context *sctx)
 951 {
 952         if (sctx->queued.named.rasterizer->rasterizer_discard)
 953                 return 0;
 954
 955         struct si_shader_selector *ps = sctx->ps_shader.cso;
 956         unsigned colormask = sctx->framebuffer.colorbuf_enabled_4bit &
 957                              sctx->queued.named.blend->cb_target_mask;
 958
 959         if (!ps->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS])
 960                 colormask &= ps->colors_written_4bit;
 961         else if (!ps->colors_written_4bit)
 962                 colormask = 0; /* color0 writes all cbufs, but it's not written */
 963
 964         return colormask;
 965 }
 966
 967 #endif