src/gallium/drivers/r600/r600_pipe_common.h

   1 /*
   2  * Copyright 2013 Advanced Micro Devices, Inc.
   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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors: Marek Olšák <maraeo@gmail.com>
  24  *
  25  */
  26
  27 /**
  28  * This file contains common screen and context structures and functions
  29  * for r600g and radeonsi.
  30  */
  31
  32 #ifndef R600_PIPE_COMMON_H
  33 #define R600_PIPE_COMMON_H
  34
  35 #include <stdio.h>
  36
  37 #include "amd/common/ac_binary.h"
  38
  39 #include "radeon/radeon_winsys.h"
  40
  41 #include "util/disk_cache.h"
  42 #include "util/u_blitter.h"
  43 #include "util/list.h"
  44 #include "util/u_range.h"
  45 #include "util/slab.h"
  46 #include "util/u_suballoc.h"
  47 #include "util/u_transfer.h"
  48 #include "util/u_threaded_context.h"
  49
  50 struct u_log_context;
  51
  52 #define ATI_VENDOR_ID 0x1002
  53
  54 #define R600_RESOURCE_FLAG_TRANSFER             (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
  55 #define R600_RESOURCE_FLAG_FLUSHED_DEPTH        (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
  56 #define R600_RESOURCE_FLAG_FORCE_TILING         (PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
  57 #define R600_RESOURCE_FLAG_UNMAPPABLE           (PIPE_RESOURCE_FLAG_DRV_PRIV << 4)
  58
  59 #define R600_CONTEXT_STREAMOUT_FLUSH            (1u << 0)
  60 /* Pipeline & streamout query controls. */
  61 #define R600_CONTEXT_START_PIPELINE_STATS       (1u << 1)
  62 #define R600_CONTEXT_STOP_PIPELINE_STATS        (1u << 2)
  63 #define R600_CONTEXT_FLUSH_FOR_RENDER_COND      (1u << 3)
  64 #define R600_CONTEXT_PRIVATE_FLAG               (1u << 4)
  65
  66 /* special primitive types */
  67 #define R600_PRIM_RECTANGLE_LIST        PIPE_PRIM_MAX
  68
  69 #define R600_NOT_QUERY          0xffffffff
  70
  71 /* Debug flags. */
  72 #define DBG_VS                  (1 << PIPE_SHADER_VERTEX)
  73 #define DBG_PS                  (1 << PIPE_SHADER_FRAGMENT)
  74 #define DBG_GS                  (1 << PIPE_SHADER_GEOMETRY)
  75 #define DBG_TCS                 (1 << PIPE_SHADER_TESS_CTRL)
  76 #define DBG_TES                 (1 << PIPE_SHADER_TESS_EVAL)
  77 #define DBG_CS                  (1 << PIPE_SHADER_COMPUTE)
  78 #define DBG_ALL_SHADERS         (DBG_FS - 1)
  79 #define DBG_FS                  (1 << 6) /* fetch shader */
  80 #define DBG_TEX                 (1 << 7)
  81 #define DBG_NIR                 (1 << 8)
  82 #define DBG_COMPUTE             (1 << 9)
  83 /* gap */
  84 #define DBG_VM                  (1 << 11)
  85 #define DBG_NO_IR               (1 << 12)
  86 #define DBG_NO_TGSI             (1 << 13)
  87 #define DBG_NO_ASM              (1 << 14)
  88 #define DBG_PREOPT_IR           (1 << 15)
  89 #define DBG_CHECK_IR            (1 << 16)
  90 #define DBG_NO_OPT_VARIANT      (1 << 17)
  91 #define DBG_FS_CORRECT_DERIVS_AFTER_KILL (1 << 18)
  92 /* gaps */
  93 #define DBG_TEST_DMA            (1 << 20)
  94 /* Bits 21-31 are reserved for the r600g driver. */
  95 /* features */
  96 #define DBG_NO_ASYNC_DMA        (1ull << 32)
  97 #define DBG_NO_HYPERZ           (1ull << 33)
  98 #define DBG_NO_DISCARD_RANGE    (1ull << 34)
  99 #define DBG_NO_2D_TILING        (1ull << 35)
 100 #define DBG_NO_TILING           (1ull << 36)
 101 #define DBG_SWITCH_ON_EOP       (1ull << 37)
 102 #define DBG_FORCE_DMA           (1ull << 38)
 103 #define DBG_PRECOMPILE          (1ull << 39)
 104 #define DBG_INFO                (1ull << 40)
 105 #define DBG_NO_WC               (1ull << 41)
 106 #define DBG_CHECK_VM            (1ull << 42)
 107 /* gap */
 108 #define DBG_UNSAFE_MATH         (1ull << 49)
 109 #define DBG_TEST_VMFAULT_CP     (1ull << 51)
 110 #define DBG_TEST_VMFAULT_SDMA   (1ull << 52)
 111 #define DBG_TEST_VMFAULT_SHADER (1ull << 53)
 112
 113 #define R600_MAP_BUFFER_ALIGNMENT 64
 114 #define R600_MAX_VIEWPORTS        16
 115
 116 #define SI_MAX_VARIABLE_THREADS_PER_BLOCK 1024
 117
 118 enum r600_coherency {
 119         R600_COHERENCY_NONE, /* no cache flushes needed */
 120         R600_COHERENCY_SHADER,
 121         R600_COHERENCY_CB_META,
 122 };
 123
 124 #ifdef PIPE_ARCH_BIG_ENDIAN
 125 #define R600_BIG_ENDIAN 1
 126 #else
 127 #define R600_BIG_ENDIAN 0
 128 #endif
 129
 130 struct r600_common_context;
 131 struct r600_perfcounters;
 132 struct tgsi_shader_info;
 133 struct r600_qbo_state;
 134
 135 void radeon_shader_binary_init(struct ac_shader_binary *b);
 136 void radeon_shader_binary_clean(struct ac_shader_binary *b);
 137
 138 /* Only 32-bit buffer allocations are supported, gallium doesn't support more
 139  * at the moment.
 140  */
 141 struct r600_resource {
 142         struct threaded_resource        b;
 143
 144         /* Winsys objects. */
 145         struct pb_buffer                *buf;
 146         uint64_t                        gpu_address;
 147         /* Memory usage if the buffer placement is optimal. */
 148         uint64_t                        vram_usage;
 149         uint64_t                        gart_usage;
 150
 151         /* Resource properties. */
 152         uint64_t                        bo_size;
 153         unsigned                        bo_alignment;
 154         enum radeon_bo_domain           domains;
 155         enum radeon_bo_flag             flags;
 156         unsigned                        bind_history;
 157
 158         /* The buffer range which is initialized (with a write transfer,
 159          * streamout, DMA, or as a random access target). The rest of
 160          * the buffer is considered invalid and can be mapped unsynchronized.
 161          *
 162          * This allows unsychronized mapping of a buffer range which hasn't
 163          * been used yet. It's for applications which forget to use
 164          * the unsynchronized map flag and expect the driver to figure it out.
 165          */
 166         struct util_range               valid_buffer_range;
 167
 168         /* For buffers only. This indicates that a write operation has been
 169          * performed by TC L2, but the cache hasn't been flushed.
 170          * Any hw block which doesn't use or bypasses TC L2 should check this
 171          * flag and flush the cache before using the buffer.
 172          *
 173          * For example, TC L2 must be flushed if a buffer which has been
 174          * modified by a shader store instruction is about to be used as
 175          * an index buffer. The reason is that VGT DMA index fetching doesn't
 176          * use TC L2.
 177          */
 178         bool                            TC_L2_dirty;
 179
 180         /* Whether the resource has been exported via resource_get_handle. */
 181         unsigned                        external_usage; /* PIPE_HANDLE_USAGE_* */
 182
 183         /* Whether this resource is referenced by bindless handles. */
 184         bool                            texture_handle_allocated;
 185         bool                            image_handle_allocated;
 186 };
 187
 188 struct r600_transfer {
 189         struct threaded_transfer        b;
 190         struct r600_resource            *staging;
 191         unsigned                        offset;
 192 };
 193
 194 struct r600_fmask_info {
 195         uint64_t offset;
 196         uint64_t size;
 197         unsigned alignment;
 198         unsigned pitch_in_pixels;
 199         unsigned bank_height;
 200         unsigned slice_tile_max;
 201         unsigned tile_mode_index;
 202         unsigned tile_swizzle;
 203 };
 204
 205 struct r600_cmask_info {
 206         uint64_t offset;
 207         uint64_t size;
 208         unsigned alignment;
 209         unsigned slice_tile_max;
 210         uint64_t base_address_reg;
 211 };
 212
 213 struct r600_texture {
 214         struct r600_resource            resource;
 215
 216         uint64_t                        size;
 217         unsigned                        num_level0_transfers;
 218         enum pipe_format                db_render_format;
 219         bool                            is_depth;
 220         bool                            db_compatible;
 221         bool                            can_sample_z;
 222         bool                            can_sample_s;
 223         unsigned                        dirty_level_mask; /* each bit says if that mipmap is compressed */
 224         unsigned                        stencil_dirty_level_mask; /* each bit says if that mipmap is compressed */
 225         struct r600_texture             *flushed_depth_texture;
 226         struct radeon_surf              surface;
 227
 228         /* Colorbuffer compression and fast clear. */
 229         struct r600_fmask_info          fmask;
 230         struct r600_cmask_info          cmask;
 231         struct r600_resource            *cmask_buffer;
 232         unsigned                        cb_color_info; /* fast clear enable bit */
 233         unsigned                        color_clear_value[2];
 234         unsigned                        last_msaa_resolve_target_micro_mode;
 235
 236         /* Depth buffer compression and fast clear. */
 237         uint64_t                        htile_offset;
 238         bool                            depth_cleared; /* if it was cleared at least once */
 239         float                           depth_clear_value;
 240         bool                            stencil_cleared; /* if it was cleared at least once */
 241         uint8_t                         stencil_clear_value;
 242
 243         bool                            non_disp_tiling; /* R600-Cayman only */
 244
 245         /* Counter that should be non-zero if the texture is bound to a
 246          * framebuffer. Implemented in radeonsi only.
 247          */
 248         uint32_t                        framebuffers_bound;
 249 };
 250
 251 struct r600_surface {
 252         struct pipe_surface             base;
 253
 254         /* These can vary with block-compressed textures. */
 255         unsigned width0;
 256         unsigned height0;
 257
 258         bool color_initialized;
 259         bool depth_initialized;
 260
 261         /* Misc. color flags. */
 262         bool alphatest_bypass;
 263         bool export_16bpc;
 264         bool color_is_int8;
 265         bool color_is_int10;
 266
 267         /* Color registers. */
 268         unsigned cb_color_info;
 269         unsigned cb_color_base;
 270         unsigned cb_color_view;
 271         unsigned cb_color_size;         /* R600 only */
 272         unsigned cb_color_dim;          /* EG only */
 273         unsigned cb_color_pitch;        /* EG and later */
 274         unsigned cb_color_slice;        /* EG and later */
 275         unsigned cb_color_attrib;       /* EG and later */
 276         unsigned cb_color_fmask;        /* CB_COLORn_FMASK (EG and later) or CB_COLORn_FRAG (r600) */
 277         unsigned cb_color_fmask_slice;  /* EG and later */
 278         unsigned cb_color_cmask;        /* CB_COLORn_TILE (r600 only) */
 279         unsigned cb_color_mask;         /* R600 only */
 280         struct r600_resource *cb_buffer_fmask; /* Used for FMASK relocations. R600 only */
 281         struct r600_resource *cb_buffer_cmask; /* Used for CMASK relocations. R600 only */
 282
 283         /* DB registers. */
 284         uint64_t db_depth_base;         /* DB_Z_READ/WRITE_BASE (EG and later) or DB_DEPTH_BASE (r600) */
 285         uint64_t db_stencil_base;       /* EG and later */
 286         uint64_t db_htile_data_base;
 287         unsigned db_depth_info;         /* R600 only, then SI and later */
 288         unsigned db_z_info;             /* EG and later */
 289         unsigned db_depth_view;
 290         unsigned db_depth_size;
 291         unsigned db_depth_slice;        /* EG and later */
 292         unsigned db_stencil_info;       /* EG and later */
 293         unsigned db_prefetch_limit;     /* R600 only */
 294         unsigned db_htile_surface;
 295         unsigned db_preload_control;    /* EG and later */
 296 };
 297
 298 struct r600_mmio_counter {
 299         unsigned busy;
 300         unsigned idle;
 301 };
 302
 303 union r600_mmio_counters {
 304         struct {
 305                 /* For global GPU load including SDMA. */
 306                 struct r600_mmio_counter gpu;
 307
 308                 /* GRBM_STATUS */
 309                 struct r600_mmio_counter spi;
 310                 struct r600_mmio_counter gui;
 311                 struct r600_mmio_counter ta;
 312                 struct r600_mmio_counter gds;
 313                 struct r600_mmio_counter vgt;
 314                 struct r600_mmio_counter ia;
 315                 struct r600_mmio_counter sx;
 316                 struct r600_mmio_counter wd;
 317                 struct r600_mmio_counter bci;
 318                 struct r600_mmio_counter sc;
 319                 struct r600_mmio_counter pa;
 320                 struct r600_mmio_counter db;
 321                 struct r600_mmio_counter cp;
 322                 struct r600_mmio_counter cb;
 323
 324                 /* SRBM_STATUS2 */
 325                 struct r600_mmio_counter sdma;
 326
 327                 /* CP_STAT */
 328                 struct r600_mmio_counter pfp;
 329                 struct r600_mmio_counter meq;
 330                 struct r600_mmio_counter me;
 331                 struct r600_mmio_counter surf_sync;
 332                 struct r600_mmio_counter cp_dma;
 333                 struct r600_mmio_counter scratch_ram;
 334         } named;
 335         unsigned array[0];
 336 };
 337
 338 struct r600_memory_object {
 339         struct pipe_memory_object       b;
 340         struct pb_buffer                *buf;
 341         uint32_t                        stride;
 342         uint32_t                        offset;
 343 };
 344
 345 struct r600_common_screen {
 346         struct pipe_screen              b;
 347         struct radeon_winsys            *ws;
 348         enum radeon_family              family;
 349         enum chip_class                 chip_class;
 350         struct radeon_info              info;
 351         uint64_t                        debug_flags;
 352         bool                            has_cp_dma;
 353         bool                            has_streamout;
 354
 355         struct disk_cache               *disk_shader_cache;
 356
 357         struct slab_parent_pool         pool_transfers;
 358
 359         /* Texture filter settings. */
 360         int                             force_aniso; /* -1 = disabled */
 361
 362         /* Auxiliary context. Mainly used to initialize resources.
 363          * It must be locked prior to using and flushed before unlocking. */
 364         struct pipe_context             *aux_context;
 365         mtx_t                           aux_context_lock;
 366
 367         /* This must be in the screen, because UE4 uses one context for
 368          * compilation and another one for rendering.
 369          */
 370         unsigned                        num_compilations;
 371         /* Along with ST_DEBUG=precompile, this should show if applications
 372          * are loading shaders on demand. This is a monotonic counter.
 373          */
 374         unsigned                        num_shaders_created;
 375         unsigned                        num_shader_cache_hits;
 376
 377         /* GPU load thread. */
 378         mtx_t                           gpu_load_mutex;
 379         thrd_t                          gpu_load_thread;
 380         union r600_mmio_counters        mmio_counters;
 381         volatile unsigned               gpu_load_stop_thread; /* bool */
 382
 383         char                            renderer_string[100];
 384
 385         /* Performance counters. */
 386         struct r600_perfcounters        *perfcounters;
 387
 388         /* If pipe_screen wants to recompute and re-emit the framebuffer,
 389          * sampler, and image states of all contexts, it should atomically
 390          * increment this.
 391          *
 392          * Each context will compare this with its own last known value of
 393          * the counter before drawing and re-emit the states accordingly.
 394          */
 395         unsigned                        dirty_tex_counter;
 396
 397         /* Atomically increment this counter when an existing texture's
 398          * metadata is enabled or disabled in a way that requires changing
 399          * contexts' compressed texture binding masks.
 400          */
 401         unsigned                        compressed_colortex_counter;
 402
 403         struct {
 404                 /* Context flags to set so that all writes from earlier jobs
 405                  * in the CP are seen by L2 clients.
 406                  */
 407                 unsigned cp_to_L2;
 408
 409                 /* Context flags to set so that all writes from earlier jobs
 410                  * that end in L2 are seen by CP.
 411                  */
 412                 unsigned L2_to_cp;
 413
 414                 /* Context flags to set so that all writes from earlier
 415                  * compute jobs are seen by L2 clients.
 416                  */
 417                 unsigned compute_to_L2;
 418         } barrier_flags;
 419
 420         void (*query_opaque_metadata)(struct r600_common_screen *rscreen,
 421                                       struct r600_texture *rtex,
 422                                       struct radeon_bo_metadata *md);
 423
 424         void (*apply_opaque_metadata)(struct r600_common_screen *rscreen,
 425                                     struct r600_texture *rtex,
 426                                     struct radeon_bo_metadata *md);
 427 };
 428
 429 /* This encapsulates a state or an operation which can emitted into the GPU
 430  * command stream. */
 431 struct r600_atom {
 432         void (*emit)(struct r600_common_context *ctx, struct r600_atom *state);
 433         unsigned                num_dw;
 434         unsigned short          id;
 435 };
 436
 437 struct r600_so_target {
 438         struct pipe_stream_output_target b;
 439
 440         /* The buffer where BUFFER_FILLED_SIZE is stored. */
 441         struct r600_resource    *buf_filled_size;
 442         unsigned                buf_filled_size_offset;
 443         bool                    buf_filled_size_valid;
 444
 445         unsigned                stride_in_dw;
 446 };
 447
 448 struct r600_streamout {
 449         struct r600_atom                begin_atom;
 450         bool                            begin_emitted;
 451         unsigned                        num_dw_for_end;
 452
 453         unsigned                        enabled_mask;
 454         unsigned                        num_targets;
 455         struct r600_so_target           *targets[PIPE_MAX_SO_BUFFERS];
 456
 457         unsigned                        append_bitmask;
 458         bool                            suspended;
 459
 460         /* External state which comes from the vertex shader,
 461          * it must be set explicitly when binding a shader. */
 462         uint16_t                        *stride_in_dw;
 463         unsigned                        enabled_stream_buffers_mask; /* stream0 buffers0-3 in 4 LSB */
 464
 465         /* The state of VGT_STRMOUT_BUFFER_(CONFIG|EN). */
 466         unsigned                        hw_enabled_mask;
 467
 468         /* The state of VGT_STRMOUT_(CONFIG|EN). */
 469         struct r600_atom                enable_atom;
 470         bool                            streamout_enabled;
 471         bool                            prims_gen_query_enabled;
 472         int                             num_prims_gen_queries;
 473 };
 474
 475 struct r600_signed_scissor {
 476         int minx;
 477         int miny;
 478         int maxx;
 479         int maxy;
 480 };
 481
 482 struct r600_scissors {
 483         struct r600_atom                atom;
 484         unsigned                        dirty_mask;
 485         struct pipe_scissor_state       states[R600_MAX_VIEWPORTS];
 486 };
 487
 488 struct r600_viewports {
 489         struct r600_atom                atom;
 490         unsigned                        dirty_mask;
 491         unsigned                        depth_range_dirty_mask;
 492         struct pipe_viewport_state      states[R600_MAX_VIEWPORTS];
 493         struct r600_signed_scissor      as_scissor[R600_MAX_VIEWPORTS];
 494 };
 495
 496 struct r600_ring {
 497         struct radeon_winsys_cs         *cs;
 498         void (*flush)(void *ctx, unsigned flags,
 499                       struct pipe_fence_handle **fence);
 500 };
 501
 502 /* Saved CS data for debugging features. */
 503 struct radeon_saved_cs {
 504         uint32_t                        *ib;
 505         unsigned                        num_dw;
 506
 507         struct radeon_bo_list_item      *bo_list;
 508         unsigned                        bo_count;
 509 };
 510
 511 struct r600_common_context {
 512         struct pipe_context b; /* base class */
 513
 514         struct r600_common_screen       *screen;
 515         struct radeon_winsys            *ws;
 516         struct radeon_winsys_ctx        *ctx;
 517         enum radeon_family              family;
 518         enum chip_class                 chip_class;
 519         struct r600_ring                gfx;
 520         struct r600_ring                dma;
 521         struct pipe_fence_handle        *last_gfx_fence;
 522         struct pipe_fence_handle        *last_sdma_fence;
 523         struct r600_resource            *eop_bug_scratch;
 524         unsigned                        num_gfx_cs_flushes;
 525         unsigned                        initial_gfx_cs_size;
 526         unsigned                        gpu_reset_counter;
 527         unsigned                        last_dirty_tex_counter;
 528         unsigned                        last_compressed_colortex_counter;
 529         unsigned                        last_num_draw_calls;
 530
 531         struct threaded_context         *tc;
 532         struct u_suballocator           *allocator_zeroed_memory;
 533         struct slab_child_pool          pool_transfers;
 534         struct slab_child_pool          pool_transfers_unsync; /* for threaded_context */
 535
 536         /* Current unaccounted memory usage. */
 537         uint64_t                        vram;
 538         uint64_t                        gtt;
 539
 540         /* States. */
 541         struct r600_streamout           streamout;
 542         struct r600_scissors            scissors;
 543         struct r600_viewports           viewports;
 544         bool                            scissor_enabled;
 545         bool                            clip_halfz;
 546         bool                            vs_writes_viewport_index;
 547         bool                            vs_disables_clipping_viewport;
 548
 549         /* Additional context states. */
 550         unsigned flags; /* flush flags */
 551
 552         /* Queries. */
 553         /* Maintain the list of active queries for pausing between IBs. */
 554         int                             num_occlusion_queries;
 555         int                             num_perfect_occlusion_queries;
 556         struct list_head                active_queries;
 557         unsigned                        num_cs_dw_queries_suspend;
 558         /* Misc stats. */
 559         unsigned                        num_draw_calls;
 560         unsigned                        num_decompress_calls;
 561         unsigned                        num_mrt_draw_calls;
 562         unsigned                        num_prim_restart_calls;
 563         unsigned                        num_spill_draw_calls;
 564         unsigned                        num_compute_calls;
 565         unsigned                        num_spill_compute_calls;
 566         unsigned                        num_dma_calls;
 567         unsigned                        num_cp_dma_calls;
 568         unsigned                        num_vs_flushes;
 569         unsigned                        num_ps_flushes;
 570         unsigned                        num_cs_flushes;
 571         unsigned                        num_cb_cache_flushes;
 572         unsigned                        num_db_cache_flushes;
 573         unsigned                        num_L2_invalidates;
 574         unsigned                        num_L2_writebacks;
 575         unsigned                        num_resident_handles;
 576         uint64_t                        num_alloc_tex_transfer_bytes;
 577
 578         /* Render condition. */
 579         struct r600_atom                render_cond_atom;
 580         struct pipe_query               *render_cond;
 581         unsigned                        render_cond_mode;
 582         bool                            render_cond_invert;
 583         bool                            render_cond_force_off; /* for u_blitter */
 584
 585         /* MSAA sample locations.
 586          * The first index is the sample index.
 587          * The second index is the coordinate: X, Y. */
 588         float                           sample_locations_1x[1][2];
 589         float                           sample_locations_2x[2][2];
 590         float                           sample_locations_4x[4][2];
 591         float                           sample_locations_8x[8][2];
 592         float                           sample_locations_16x[16][2];
 593
 594         struct pipe_debug_callback      debug;
 595         struct pipe_device_reset_callback device_reset_callback;
 596         struct u_log_context            *log;
 597
 598         void                            *query_result_shader;
 599
 600         /* Copy one resource to another using async DMA. */
 601         void (*dma_copy)(struct pipe_context *ctx,
 602                          struct pipe_resource *dst,
 603                          unsigned dst_level,
 604                          unsigned dst_x, unsigned dst_y, unsigned dst_z,
 605                          struct pipe_resource *src,
 606                          unsigned src_level,
 607                          const struct pipe_box *src_box);
 608
 609         void (*dma_clear_buffer)(struct pipe_context *ctx, struct pipe_resource *dst,
 610                                  uint64_t offset, uint64_t size, unsigned value);
 611
 612         void (*clear_buffer)(struct pipe_context *ctx, struct pipe_resource *dst,
 613                              uint64_t offset, uint64_t size, unsigned value,
 614                              enum r600_coherency coher);
 615
 616         void (*blit_decompress_depth)(struct pipe_context *ctx,
 617                                       struct r600_texture *texture,
 618                                       struct r600_texture *staging,
 619                                       unsigned first_level, unsigned last_level,
 620                                       unsigned first_layer, unsigned last_layer,
 621                                       unsigned first_sample, unsigned last_sample);
 622
 623         /* Reallocate the buffer and update all resource bindings where
 624          * the buffer is bound, including all resource descriptors. */
 625         void (*invalidate_buffer)(struct pipe_context *ctx, struct pipe_resource *buf);
 626
 627         /* Update all resource bindings where the buffer is bound, including
 628          * all resource descriptors. This is invalidate_buffer without
 629          * the invalidation. */
 630         void (*rebind_buffer)(struct pipe_context *ctx, struct pipe_resource *buf,
 631                               uint64_t old_gpu_address);
 632
 633         void (*save_qbo_state)(struct pipe_context *ctx, struct r600_qbo_state *st);
 634
 635         /* This ensures there is enough space in the command stream. */
 636         void (*need_gfx_cs_space)(struct pipe_context *ctx, unsigned num_dw,
 637                                   bool include_draw_vbo);
 638
 639         void (*set_atom_dirty)(struct r600_common_context *ctx,
 640                                struct r600_atom *atom, bool dirty);
 641
 642         void (*check_vm_faults)(struct r600_common_context *ctx,
 643                                 struct radeon_saved_cs *saved,
 644                                 enum ring_type ring);
 645 };
 646
 647 /* r600_buffer_common.c */
 648 bool r600_rings_is_buffer_referenced(struct r600_common_context *ctx,
 649                                      struct pb_buffer *buf,
 650                                      enum radeon_bo_usage usage);
 651 void *r600_buffer_map_sync_with_rings(struct r600_common_context *ctx,
 652                                       struct r600_resource *resource,
 653                                       unsigned usage);
 654 void r600_buffer_subdata(struct pipe_context *ctx,
 655                          struct pipe_resource *buffer,
 656                          unsigned usage, unsigned offset,
 657                          unsigned size, const void *data);
 658 void r600_init_resource_fields(struct r600_common_screen *rscreen,
 659                                struct r600_resource *res,
 660                                uint64_t size, unsigned alignment);
 661 bool r600_alloc_resource(struct r600_common_screen *rscreen,
 662                          struct r600_resource *res);
 663 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 664                                          const struct pipe_resource *templ,
 665                                          unsigned alignment);
 666 struct pipe_resource * r600_aligned_buffer_create(struct pipe_screen *screen,
 667                                                   unsigned flags,
 668                                                   unsigned usage,
 669                                                   unsigned size,
 670                                                   unsigned alignment);
 671 struct pipe_resource *
 672 r600_buffer_from_user_memory(struct pipe_screen *screen,
 673                              const struct pipe_resource *templ,
 674                              void *user_memory);
 675 void
 676 r600_invalidate_resource(struct pipe_context *ctx,
 677                          struct pipe_resource *resource);
 678 void r600_replace_buffer_storage(struct pipe_context *ctx,
 679                                  struct pipe_resource *dst,
 680                                  struct pipe_resource *src);
 681
 682 /* r600_common_pipe.c */
 683 void r600_gfx_write_event_eop(struct r600_common_context *ctx,
 684                               unsigned event, unsigned event_flags,
 685                               unsigned data_sel,
 686                               struct r600_resource *buf, uint64_t va,
 687                               uint32_t new_fence, unsigned query_type);
 688 unsigned r600_gfx_write_fence_dwords(struct r600_common_screen *screen);
 689 void r600_gfx_wait_fence(struct r600_common_context *ctx,
 690                          uint64_t va, uint32_t ref, uint32_t mask);
 691 void r600_draw_rectangle(struct blitter_context *blitter,
 692                          void *vertex_elements_cso,
 693                          blitter_get_vs_func get_vs,
 694                          int x1, int y1, int x2, int y2,
 695                          float depth, unsigned num_instances,
 696                          enum blitter_attrib_type type,
 697                          const union blitter_attrib *attrib);
 698 bool r600_common_screen_init(struct r600_common_screen *rscreen,
 699                              struct radeon_winsys *ws);
 700 void r600_destroy_common_screen(struct r600_common_screen *rscreen);
 701 void r600_preflush_suspend_features(struct r600_common_context *ctx);
 702 void r600_postflush_resume_features(struct r600_common_context *ctx);
 703 bool r600_common_context_init(struct r600_common_context *rctx,
 704                               struct r600_common_screen *rscreen,
 705                               unsigned context_flags);
 706 void r600_common_context_cleanup(struct r600_common_context *rctx);
 707 bool r600_can_dump_shader(struct r600_common_screen *rscreen,
 708                           unsigned processor);
 709 bool r600_extra_shader_checks(struct r600_common_screen *rscreen,
 710                               unsigned processor);
 711 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
 712                               uint64_t offset, uint64_t size, unsigned value);
 713 struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
 714                                                   const struct pipe_resource *templ);
 715 const char *r600_get_llvm_processor_name(enum radeon_family family);
 716 void r600_need_dma_space(struct r600_common_context *ctx, unsigned num_dw,
 717                          struct r600_resource *dst, struct r600_resource *src);
 718 void radeon_save_cs(struct radeon_winsys *ws, struct radeon_winsys_cs *cs,
 719                     struct radeon_saved_cs *saved, bool get_buffer_list);
 720 void radeon_clear_saved_cs(struct radeon_saved_cs *saved);
 721 bool r600_check_device_reset(struct r600_common_context *rctx);
 722
 723 /* r600_gpu_load.c */
 724 void r600_gpu_load_kill_thread(struct r600_common_screen *rscreen);
 725 uint64_t r600_begin_counter(struct r600_common_screen *rscreen, unsigned type);
 726 unsigned r600_end_counter(struct r600_common_screen *rscreen, unsigned type,
 727                           uint64_t begin);
 728
 729 /* r600_perfcounters.c */
 730 void r600_perfcounters_destroy(struct r600_common_screen *rscreen);
 731
 732 /* r600_query.c */
 733 void r600_init_screen_query_functions(struct r600_common_screen *rscreen);
 734 void r600_query_init(struct r600_common_context *rctx);
 735 void r600_suspend_queries(struct r600_common_context *ctx);
 736 void r600_resume_queries(struct r600_common_context *ctx);
 737 void r600_query_fix_enabled_rb_mask(struct r600_common_screen *rscreen);
 738
 739 /* r600_streamout.c */
 740 void r600_streamout_buffers_dirty(struct r600_common_context *rctx);
 741 void r600_set_streamout_targets(struct pipe_context *ctx,
 742                                 unsigned num_targets,
 743                                 struct pipe_stream_output_target **targets,
 744                                 const unsigned *offset);
 745 void r600_emit_streamout_end(struct r600_common_context *rctx);
 746 void r600_update_prims_generated_query_state(struct r600_common_context *rctx,
 747                                              unsigned type, int diff);
 748 void r600_streamout_init(struct r600_common_context *rctx);
 749
 750 /* r600_test_dma.c */
 751 void r600_test_dma(struct r600_common_screen *rscreen);
 752
 753 /* r600_texture.c */
 754 bool r600_prepare_for_dma_blit(struct r600_common_context *rctx,
 755                                 struct r600_texture *rdst,
 756                                 unsigned dst_level, unsigned dstx,
 757                                 unsigned dsty, unsigned dstz,
 758                                 struct r600_texture *rsrc,
 759                                 unsigned src_level,
 760                                 const struct pipe_box *src_box);
 761 void r600_texture_get_fmask_info(struct r600_common_screen *rscreen,
 762                                  struct r600_texture *rtex,
 763                                  unsigned nr_samples,
 764                                  struct r600_fmask_info *out);
 765 void r600_texture_get_cmask_info(struct r600_common_screen *rscreen,
 766                                  struct r600_texture *rtex,
 767                                  struct r600_cmask_info *out);
 768 bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
 769                                      struct pipe_resource *texture,
 770                                      struct r600_texture **staging);
 771 void r600_print_texture_info(struct r600_common_screen *rscreen,
 772                              struct r600_texture *rtex, struct u_log_context *log);
 773 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
 774                                         const struct pipe_resource *templ);
 775 struct pipe_surface *r600_create_surface_custom(struct pipe_context *pipe,
 776                                                 struct pipe_resource *texture,
 777                                                 const struct pipe_surface *templ,
 778                                                 unsigned width0, unsigned height0,
 779                                                 unsigned width, unsigned height);
 780 unsigned r600_translate_colorswap(enum pipe_format format, bool do_endian_swap);
 781 void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
 782                                    struct pipe_framebuffer_state *fb,
 783                                    struct r600_atom *fb_state,
 784                                    unsigned *buffers, ubyte *dirty_cbufs,
 785                                    const union pipe_color_union *color);
 786 void r600_init_screen_texture_functions(struct r600_common_screen *rscreen);
 787 void r600_init_context_texture_functions(struct r600_common_context *rctx);
 788
 789 /* r600_viewport.c */
 790 void evergreen_apply_scissor_bug_workaround(struct r600_common_context *rctx,
 791                                             struct pipe_scissor_state *scissor);
 792 void r600_viewport_set_rast_deps(struct r600_common_context *rctx,
 793                                  bool scissor_enable, bool clip_halfz);
 794 void r600_update_vs_writes_viewport_index(struct r600_common_context *rctx,
 795                                           struct tgsi_shader_info *info);
 796 void r600_init_viewport_functions(struct r600_common_context *rctx);
 797
 798 /* cayman_msaa.c */
 799 extern const uint32_t eg_sample_locs_2x[4];
 800 extern const unsigned eg_max_dist_2x;
 801 extern const uint32_t eg_sample_locs_4x[4];
 802 extern const unsigned eg_max_dist_4x;
 803 void cayman_get_sample_position(struct pipe_context *ctx, unsigned sample_count,
 804                                 unsigned sample_index, float *out_value);
 805 void cayman_init_msaa(struct pipe_context *ctx);
 806 void cayman_emit_msaa_sample_locs(struct radeon_winsys_cs *cs, int nr_samples);
 807 void cayman_emit_msaa_config(struct radeon_winsys_cs *cs, int nr_samples,
 808                              int ps_iter_samples, int overrast_samples,
 809                              unsigned sc_mode_cntl_1);
 810
 811
 812 /* Inline helpers. */
 813
 814 static inline struct r600_resource *r600_resource(struct pipe_resource *r)
 815 {
 816         return (struct r600_resource*)r;
 817 }
 818
 819 static inline void
 820 r600_resource_reference(struct r600_resource **ptr, struct r600_resource *res)
 821 {
 822         pipe_resource_reference((struct pipe_resource **)ptr,
 823                                 (struct pipe_resource *)res);
 824 }
 825
 826 static inline void
 827 r600_texture_reference(struct r600_texture **ptr, struct r600_texture *res)
 828 {
 829         pipe_resource_reference((struct pipe_resource **)ptr, &res->resource.b.b);
 830 }
 831
 832 static inline void
 833 r600_context_add_resource_size(struct pipe_context *ctx, struct pipe_resource *r)
 834 {
 835         struct r600_common_context *rctx = (struct r600_common_context *)ctx;
 836         struct r600_resource *res = (struct r600_resource *)r;
 837
 838         if (res) {
 839                 /* Add memory usage for need_gfx_cs_space */
 840                 rctx->vram += res->vram_usage;
 841                 rctx->gtt += res->gart_usage;
 842         }
 843 }
 844
 845 static inline bool r600_get_strmout_en(struct r600_common_context *rctx)
 846 {
 847         return rctx->streamout.streamout_enabled ||
 848                rctx->streamout.prims_gen_query_enabled;
 849 }
 850
 851 #define     SQ_TEX_XY_FILTER_POINT                         0x00
 852 #define     SQ_TEX_XY_FILTER_BILINEAR                      0x01
 853 #define     SQ_TEX_XY_FILTER_ANISO_POINT                   0x02
 854 #define     SQ_TEX_XY_FILTER_ANISO_BILINEAR                0x03
 855
 856 static inline unsigned eg_tex_filter(unsigned filter, unsigned max_aniso)
 857 {
 858         if (filter == PIPE_TEX_FILTER_LINEAR)
 859                 return max_aniso > 1 ? SQ_TEX_XY_FILTER_ANISO_BILINEAR
 860                                      : SQ_TEX_XY_FILTER_BILINEAR;
 861         else
 862                 return max_aniso > 1 ? SQ_TEX_XY_FILTER_ANISO_POINT
 863                                      : SQ_TEX_XY_FILTER_POINT;
 864 }
 865
 866 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 867 {
 868         if (filter < 2)
 869                 return 0;
 870         if (filter < 4)
 871                 return 1;
 872         if (filter < 8)
 873                 return 2;
 874         if (filter < 16)
 875                 return 3;
 876         return 4;
 877 }
 878
 879 static inline unsigned r600_wavefront_size(enum radeon_family family)
 880 {
 881         switch (family) {
 882         case CHIP_RV610:
 883         case CHIP_RS780:
 884         case CHIP_RV620:
 885         case CHIP_RS880:
 886                 return 16;
 887         case CHIP_RV630:
 888         case CHIP_RV635:
 889         case CHIP_RV730:
 890         case CHIP_RV710:
 891         case CHIP_PALM:
 892         case CHIP_CEDAR:
 893                 return 32;
 894         default:
 895                 return 64;
 896         }
 897 }
 898
 899 static inline enum radeon_bo_priority
 900 r600_get_sampler_view_priority(struct r600_resource *res)
 901 {
 902         if (res->b.b.target == PIPE_BUFFER)
 903                 return RADEON_PRIO_SAMPLER_BUFFER;
 904
 905         if (res->b.b.nr_samples > 1)
 906                 return RADEON_PRIO_SAMPLER_TEXTURE_MSAA;
 907
 908         return RADEON_PRIO_SAMPLER_TEXTURE;
 909 }
 910
 911 static inline bool
 912 r600_can_sample_zs(struct r600_texture *tex, bool stencil_sampler)
 913 {
 914         return (stencil_sampler && tex->can_sample_s) ||
 915                (!stencil_sampler && tex->can_sample_z);
 916 }
 917
 918 static inline bool
 919 r600_htile_enabled(struct r600_texture *tex, unsigned level)
 920 {
 921         return tex->htile_offset && level == 0;
 922 }
 923
 924 #define COMPUTE_DBG(rscreen, fmt, args...) \
 925         do { \
 926                 if ((rscreen->b.debug_flags & DBG_COMPUTE)) fprintf(stderr, fmt, ##args); \
 927         } while (0);
 928
 929 #define R600_ERR(fmt, args...) \
 930         fprintf(stderr, "EE %s:%d %s - " fmt, __FILE__, __LINE__, __func__, ##args)
 931
 932 /* For MSAA sample positions. */
 933 #define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y)  \
 934         (((s0x) & 0xf) | (((unsigned)(s0y) & 0xf) << 4) |                  \
 935         (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) |         \
 936         (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) |        \
 937          (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
 938
 939 static inline int S_FIXED(float value, unsigned frac_bits)
 940 {
 941         return value * (1 << frac_bits);
 942 }
 943
 944 #endif