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  * Authors:
  24  *      Jerome Glisse
  25  */
  26 #ifndef SI_PIPE_H
  27 #define SI_PIPE_H
  28
  29 #include "si_shader.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 /* The base vertex and primitive restart can be any number, but we must pick
  38  * one which will mean "unknown" for the purpose of state tracking and
  39  * the number shouldn't be a commonly-used one. */
  40 #define SI_BASE_VERTEX_UNKNOWN INT_MIN
  41 #define SI_RESTART_INDEX_UNKNOWN INT_MIN
  42 #define SI_NUM_SMOOTH_AA_SAMPLES 8
  43 #define SI_GS_PER_ES 128
  44 /* Alignment for optimal CP DMA performance. */
  45 #define SI_CPDMA_ALIGNMENT      32
  46
  47 /* Instruction cache. */
  48 #define SI_CONTEXT_INV_ICACHE           (R600_CONTEXT_PRIVATE_FLAG << 0)
  49 /* SMEM L1, other names: KCACHE, constant cache, DCACHE, data cache */
  50 #define SI_CONTEXT_INV_SMEM_L1          (R600_CONTEXT_PRIVATE_FLAG << 1)
  51 /* VMEM L1 can optionally be bypassed (GLC=1). Other names: TC L1 */
  52 #define SI_CONTEXT_INV_VMEM_L1          (R600_CONTEXT_PRIVATE_FLAG << 2)
  53 /* Used by everything except CB/DB, can be bypassed (SLC=1). Other names: TC L2 */
  54 #define SI_CONTEXT_INV_GLOBAL_L2        (R600_CONTEXT_PRIVATE_FLAG << 3)
  55 /* Write dirty L2 lines back to memory (shader and CP DMA stores), but don't
  56  * invalidate L2. SI-CIK can't do it, so they will do complete invalidation. */
  57 #define SI_CONTEXT_WRITEBACK_GLOBAL_L2  (R600_CONTEXT_PRIVATE_FLAG << 4)
  58 /* gaps */
  59 /* Framebuffer caches. */
  60 #define SI_CONTEXT_FLUSH_AND_INV_DB     (R600_CONTEXT_PRIVATE_FLAG << 7)
  61 #define SI_CONTEXT_FLUSH_AND_INV_CB     (R600_CONTEXT_PRIVATE_FLAG << 8)
  62 /* Engine synchronization. */
  63 #define SI_CONTEXT_VS_PARTIAL_FLUSH     (R600_CONTEXT_PRIVATE_FLAG << 9)
  64 #define SI_CONTEXT_PS_PARTIAL_FLUSH     (R600_CONTEXT_PRIVATE_FLAG << 10)
  65 #define SI_CONTEXT_CS_PARTIAL_FLUSH     (R600_CONTEXT_PRIVATE_FLAG << 11)
  66 #define SI_CONTEXT_VGT_FLUSH            (R600_CONTEXT_PRIVATE_FLAG << 12)
  67 #define SI_CONTEXT_VGT_STREAMOUT_SYNC   (R600_CONTEXT_PRIVATE_FLAG << 13)
  68
  69 #define SI_MAX_BORDER_COLORS    4096
  70
  71 struct si_compute;
  72 struct hash_table;
  73 struct u_suballocator;
  74
  75 struct si_screen {
  76         struct r600_common_screen       b;
  77         unsigned                        gs_table_depth;
  78         unsigned                        tess_offchip_block_dw_size;
  79         bool                            has_distributed_tess;
  80         bool                            has_draw_indirect_multi;
  81         bool                            has_ds_bpermute;
  82
  83         /* Whether shaders are monolithic (1-part) or separate (3-part). */
  84         bool                            use_monolithic_shaders;
  85         bool                            record_llvm_ir;
  86
  87         pipe_mutex                      shader_parts_mutex;
  88         struct si_shader_part           *vs_prologs;
  89         struct si_shader_part           *vs_epilogs;
  90         struct si_shader_part           *tcs_epilogs;
  91         struct si_shader_part           *gs_prologs;
  92         struct si_shader_part           *ps_prologs;
  93         struct si_shader_part           *ps_epilogs;
  94
  95         /* Shader cache in memory.
  96          *
  97          * Design & limitations:
  98          * - The shader cache is per screen (= per process), never saved to
  99          *   disk, and skips redundant shader compilations from TGSI to bytecode.
 100          * - It can only be used with one-variant-per-shader support, in which
 101          *   case only the main (typically middle) part of shaders is cached.
 102          * - Only VS, TCS, TES, PS are cached, out of which only the hw VS
 103          *   variants of VS and TES are cached, so LS and ES aren't.
 104          * - GS and CS aren't cached, but it's certainly possible to cache
 105          *   those as well.
 106          */
 107         pipe_mutex                      shader_cache_mutex;
 108         struct hash_table               *shader_cache;
 109
 110         /* Shader compiler queue for multithreaded compilation. */
 111         struct util_queue               shader_compiler_queue;
 112         LLVMTargetMachineRef            tm[4]; /* used by the queue only */
 113 };
 114
 115 struct si_blend_color {
 116         struct r600_atom                atom;
 117         struct pipe_blend_color         state;
 118 };
 119
 120 struct si_sampler_view {
 121         struct pipe_sampler_view        base;
 122         /* [0..7] = image descriptor
 123          * [4..7] = buffer descriptor */
 124         uint32_t                        state[8];
 125         uint32_t                        fmask_state[8];
 126         const struct radeon_surf_level  *base_level_info;
 127         unsigned                        base_level;
 128         unsigned                        block_width;
 129         bool is_stencil_sampler;
 130 };
 131
 132 #define SI_SAMPLER_STATE_MAGIC 0x34f1c35a
 133
 134 struct si_sampler_state {
 135 #ifdef DEBUG
 136         unsigned                        magic;
 137 #endif
 138         uint32_t                        val[4];
 139 };
 140
 141 struct si_cs_shader_state {
 142         struct si_compute               *program;
 143         struct si_compute               *emitted_program;
 144         unsigned                        offset;
 145         bool                            initialized;
 146         bool                            uses_scratch;
 147 };
 148
 149 struct si_textures_info {
 150         struct si_sampler_views         views;
 151         uint32_t                        depth_texture_mask; /* which textures are depth */
 152         uint32_t                        compressed_colortex_mask;
 153 };
 154
 155 struct si_images_info {
 156         struct pipe_image_view          views[SI_NUM_IMAGES];
 157         uint32_t                        compressed_colortex_mask;
 158         unsigned                        enabled_mask;
 159 };
 160
 161 struct si_framebuffer {
 162         struct r600_atom                atom;
 163         struct pipe_framebuffer_state   state;
 164         unsigned                        nr_samples;
 165         unsigned                        log_samples;
 166         unsigned                        compressed_cb_mask;
 167         unsigned                        colorbuf_enabled_4bit;
 168         unsigned                        spi_shader_col_format;
 169         unsigned                        spi_shader_col_format_alpha;
 170         unsigned                        spi_shader_col_format_blend;
 171         unsigned                        spi_shader_col_format_blend_alpha;
 172         unsigned                        color_is_int8; /* bitmask */
 173         unsigned                        dirty_cbufs;
 174         bool                            dirty_zsbuf;
 175         bool                            any_dst_linear;
 176         bool                            do_update_surf_dirtiness;
 177 };
 178
 179 struct si_clip_state {
 180         struct r600_atom                atom;
 181         struct pipe_clip_state          state;
 182 };
 183
 184 struct si_sample_locs {
 185         struct r600_atom        atom;
 186         unsigned                nr_samples;
 187 };
 188
 189 struct si_sample_mask {
 190         struct r600_atom        atom;
 191         uint16_t                sample_mask;
 192 };
 193
 194 /* A shader state consists of the shader selector, which is a constant state
 195  * object shared by multiple contexts and shouldn't be modified, and
 196  * the current shader variant selected for this context.
 197  */
 198 struct si_shader_ctx_state {
 199         struct si_shader_selector       *cso;
 200         struct si_shader                *current;
 201 };
 202
 203 #define SI_NUM_VGT_PARAM_KEY_BITS 12
 204 #define SI_NUM_VGT_PARAM_STATES (1 << SI_NUM_VGT_PARAM_KEY_BITS)
 205
 206 /* The IA_MULTI_VGT_PARAM key used to index the table of precomputed values.
 207  * Some fields are set by state-change calls, most are set by draw_vbo.
 208  */
 209 union si_vgt_param_key {
 210         struct {
 211                 unsigned prim:4;
 212                 unsigned uses_instancing:1;
 213                 unsigned multi_instances_smaller_than_primgroup:1;
 214                 unsigned primitive_restart:1;
 215                 unsigned count_from_stream_output:1;
 216                 unsigned line_stipple_enabled:1;
 217                 unsigned uses_tess:1;
 218                 unsigned tcs_tes_uses_prim_id:1;
 219                 unsigned uses_gs:1;
 220                 unsigned _pad:32 - SI_NUM_VGT_PARAM_KEY_BITS;
 221         } u;
 222         uint32_t index;
 223 };
 224
 225 struct si_context {
 226         struct r600_common_context      b;
 227         struct blitter_context          *blitter;
 228         void                            *custom_dsa_flush;
 229         void                            *custom_blend_resolve;
 230         void                            *custom_blend_decompress;
 231         void                            *custom_blend_fastclear;
 232         void                            *custom_blend_dcc_decompress;
 233         struct si_screen                *screen;
 234
 235         struct radeon_winsys_cs         *ce_ib;
 236         struct radeon_winsys_cs         *ce_preamble_ib;
 237         bool                            ce_need_synchronization;
 238         struct u_suballocator           *ce_suballocator;
 239
 240         struct si_shader_ctx_state      fixed_func_tcs_shader;
 241         LLVMTargetMachineRef            tm; /* only non-threaded compilation */
 242         bool                            gfx_flush_in_progress;
 243         bool                            compute_is_busy;
 244
 245         /* Atoms (direct states). */
 246         union si_state_atoms            atoms;
 247         unsigned                        dirty_atoms; /* mask */
 248         /* PM4 states (precomputed immutable states) */
 249         unsigned                        dirty_states;
 250         union si_state                  queued;
 251         union si_state                  emitted;
 252
 253         /* Atom declarations. */
 254         struct r600_atom                prefetch_L2;
 255         struct si_framebuffer           framebuffer;
 256         struct si_sample_locs           msaa_sample_locs;
 257         struct r600_atom                db_render_state;
 258         struct r600_atom                msaa_config;
 259         struct si_sample_mask           sample_mask;
 260         struct r600_atom                cb_render_state;
 261         struct si_blend_color           blend_color;
 262         struct r600_atom                clip_regs;
 263         struct si_clip_state            clip_state;
 264         struct si_shader_data           shader_userdata;
 265         struct si_stencil_ref           stencil_ref;
 266         struct r600_atom                spi_map;
 267
 268         /* Precomputed states. */
 269         struct si_pm4_state             *init_config;
 270         struct si_pm4_state             *init_config_gs_rings;
 271         bool                            init_config_has_vgt_flush;
 272         struct si_pm4_state             *vgt_shader_config[4];
 273
 274         /* shaders */
 275         struct si_shader_ctx_state      ps_shader;
 276         struct si_shader_ctx_state      gs_shader;
 277         struct si_shader_ctx_state      vs_shader;
 278         struct si_shader_ctx_state      tcs_shader;
 279         struct si_shader_ctx_state      tes_shader;
 280         struct si_cs_shader_state       cs_shader_state;
 281
 282         /* shader information */
 283         struct si_vertex_element        *vertex_elements;
 284         unsigned                        sprite_coord_enable;
 285         bool                            flatshade;
 286         bool                            do_update_shaders;
 287
 288         /* shader descriptors */
 289         struct si_descriptors           vertex_buffers;
 290         struct si_descriptors           descriptors[SI_NUM_DESCS];
 291         unsigned                        descriptors_dirty;
 292         unsigned                        shader_pointers_dirty;
 293         unsigned                        compressed_tex_shader_mask;
 294         struct si_buffer_resources      rw_buffers;
 295         struct si_buffer_resources      const_buffers[SI_NUM_SHADERS];
 296         struct si_buffer_resources      shader_buffers[SI_NUM_SHADERS];
 297         struct si_textures_info         samplers[SI_NUM_SHADERS];
 298         struct si_images_info           images[SI_NUM_SHADERS];
 299
 300         /* other shader resources */
 301         struct pipe_constant_buffer     null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 302         struct pipe_resource            *esgs_ring;
 303         struct pipe_resource            *gsvs_ring;
 304         struct pipe_resource            *tf_ring;
 305         struct pipe_resource            *tess_offchip_ring;
 306         union pipe_color_union          *border_color_table; /* in CPU memory, any endian */
 307         struct r600_resource            *border_color_buffer;
 308         union pipe_color_union          *border_color_map; /* in VRAM (slow access), little endian */
 309         unsigned                        border_color_count;
 310
 311         /* Vertex and index buffers. */
 312         bool                            vertex_buffers_dirty;
 313         bool                            vertex_buffer_pointer_dirty;
 314         struct pipe_index_buffer        index_buffer;
 315         struct pipe_vertex_buffer       vertex_buffer[SI_NUM_VERTEX_BUFFERS];
 316
 317         /* MSAA config state. */
 318         int                             ps_iter_samples;
 319         bool                            smoothing_enabled;
 320
 321         /* DB render state. */
 322         bool                    dbcb_depth_copy_enabled;
 323         bool                    dbcb_stencil_copy_enabled;
 324         unsigned                dbcb_copy_sample;
 325         bool                    db_flush_depth_inplace;
 326         bool                    db_flush_stencil_inplace;
 327         bool                    db_depth_clear;
 328         bool                    db_depth_disable_expclear;
 329         bool                    db_stencil_clear;
 330         bool                    db_stencil_disable_expclear;
 331         unsigned                ps_db_shader_control;
 332         bool                    occlusion_queries_disabled;
 333
 334         /* Emitted draw state. */
 335         int                     last_index_size;
 336         int                     last_base_vertex;
 337         int                     last_start_instance;
 338         int                     last_drawid;
 339         int                     last_sh_base_reg;
 340         int                     last_primitive_restart_en;
 341         int                     last_restart_index;
 342         int                     last_gs_out_prim;
 343         int                     last_prim;
 344         int                     last_multi_vgt_param;
 345         int                     last_rast_prim;
 346         unsigned                last_sc_line_stipple;
 347         int                     current_rast_prim; /* primitive type after TES, GS */
 348         bool                    gs_tri_strip_adj_fix;
 349
 350         /* Scratch buffer */
 351         struct r600_atom        scratch_state;
 352         struct r600_resource    *scratch_buffer;
 353         unsigned                scratch_waves;
 354         unsigned                spi_tmpring_size;
 355
 356         struct r600_resource    *compute_scratch_buffer;
 357
 358         /* Emitted derived tessellation state. */
 359         struct si_shader        *last_ls; /* local shader (VS) */
 360         struct si_shader_selector *last_tcs;
 361         int                     last_num_tcs_input_cp;
 362         int                     last_tes_sh_base;
 363         unsigned                last_num_patches;
 364
 365         /* Debug state. */
 366         bool                    is_debug;
 367         struct radeon_saved_cs  last_gfx;
 368         struct r600_resource    *last_trace_buf;
 369         struct r600_resource    *trace_buf;
 370         unsigned                trace_id;
 371         uint64_t                dmesg_timestamp;
 372         unsigned                apitrace_call_number;
 373
 374         /* Other state */
 375         bool need_check_render_feedback;
 376
 377         /* Precomputed IA_MULTI_VGT_PARAM */
 378         union si_vgt_param_key  ia_multi_vgt_param_key;
 379         unsigned                ia_multi_vgt_param[SI_NUM_VGT_PARAM_STATES];
 380 };
 381
 382 /* cik_sdma.c */
 383 void cik_init_sdma_functions(struct si_context *sctx);
 384
 385 /* si_blit.c */
 386 void si_init_blit_functions(struct si_context *sctx);
 387 void si_decompress_graphics_textures(struct si_context *sctx);
 388 void si_decompress_compute_textures(struct si_context *sctx);
 389 void si_resource_copy_region(struct pipe_context *ctx,
 390                              struct pipe_resource *dst,
 391                              unsigned dst_level,
 392                              unsigned dstx, unsigned dsty, unsigned dstz,
 393                              struct pipe_resource *src,
 394                              unsigned src_level,
 395                              const struct pipe_box *src_box);
 396
 397 /* si_cp_dma.c */
 398 #define SI_CPDMA_SKIP_CHECK_CS_SPACE    (1 << 0) /* don't call need_cs_space */
 399 #define SI_CPDMA_SKIP_SYNC_AFTER        (1 << 1) /* don't wait for DMA after the copy */
 400 #define SI_CPDMA_SKIP_SYNC_BEFORE       (1 << 2) /* don't wait for DMA before the copy (RAW hazards) */
 401 #define SI_CPDMA_SKIP_GFX_SYNC          (1 << 3) /* don't flush caches and don't wait for PS/CS */
 402 #define SI_CPDMA_SKIP_BO_LIST_UPDATE    (1 << 4) /* don't update the BO list */
 403 #define SI_CPDMA_SKIP_ALL (SI_CPDMA_SKIP_CHECK_CS_SPACE | \
 404                            SI_CPDMA_SKIP_SYNC_AFTER | \
 405                            SI_CPDMA_SKIP_SYNC_BEFORE | \
 406                            SI_CPDMA_SKIP_GFX_SYNC | \
 407                            SI_CPDMA_SKIP_BO_LIST_UPDATE)
 408
 409 void si_copy_buffer(struct si_context *sctx,
 410                     struct pipe_resource *dst, struct pipe_resource *src,
 411                     uint64_t dst_offset, uint64_t src_offset, unsigned size,
 412                     unsigned user_flags);
 413 void cik_prefetch_TC_L2_async(struct si_context *sctx, struct pipe_resource *buf,
 414                               uint64_t offset, unsigned size);
 415 void si_init_cp_dma_functions(struct si_context *sctx);
 416
 417 /* si_debug.c */
 418 void si_init_debug_functions(struct si_context *sctx);
 419 void si_check_vm_faults(struct r600_common_context *ctx,
 420                         struct radeon_saved_cs *saved, enum ring_type ring);
 421 bool si_replace_shader(unsigned num, struct radeon_shader_binary *binary);
 422
 423 /* si_dma.c */
 424 void si_init_dma_functions(struct si_context *sctx);
 425
 426 /* si_hw_context.c */
 427 void si_context_gfx_flush(void *context, unsigned flags,
 428                           struct pipe_fence_handle **fence);
 429 void si_begin_new_cs(struct si_context *ctx);
 430 void si_need_cs_space(struct si_context *ctx);
 431
 432 /* si_compute.c */
 433 void si_init_compute_functions(struct si_context *sctx);
 434
 435 /* si_perfcounters.c */
 436 void si_init_perfcounters(struct si_screen *screen);
 437
 438 /* si_uvd.c */
 439 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 440                                                const struct pipe_video_codec *templ);
 441
 442 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 443                                                  const struct pipe_video_buffer *tmpl);
 444
 445 /*
 446  * common helpers
 447  */
 448
 449 static inline void
 450 si_invalidate_draw_sh_constants(struct si_context *sctx)
 451 {
 452         sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
 453 }
 454
 455 static inline void
 456 si_set_atom_dirty(struct si_context *sctx,
 457                   struct r600_atom *atom, bool dirty)
 458 {
 459         unsigned bit = 1 << atom->id;
 460
 461         if (dirty)
 462                 sctx->dirty_atoms |= bit;
 463         else
 464                 sctx->dirty_atoms &= ~bit;
 465 }
 466
 467 static inline bool
 468 si_is_atom_dirty(struct si_context *sctx,
 469                   struct r600_atom *atom)
 470 {
 471         unsigned bit = 1 << atom->id;
 472
 473         return sctx->dirty_atoms & bit;
 474 }
 475
 476 static inline void
 477 si_mark_atom_dirty(struct si_context *sctx,
 478                    struct r600_atom *atom)
 479 {
 480         si_set_atom_dirty(sctx, atom, true);
 481 }
 482
 483 static inline struct tgsi_shader_info *si_get_vs_info(struct si_context *sctx)
 484 {
 485         if (sctx->gs_shader.cso)
 486                 return &sctx->gs_shader.cso->info;
 487         else if (sctx->tes_shader.cso)
 488                 return &sctx->tes_shader.cso->info;
 489         else if (sctx->vs_shader.cso)
 490                 return &sctx->vs_shader.cso->info;
 491         else
 492                 return NULL;
 493 }
 494
 495 static inline struct si_shader* si_get_vs_state(struct si_context *sctx)
 496 {
 497         if (sctx->gs_shader.current)
 498                 return sctx->gs_shader.cso->gs_copy_shader;
 499         else if (sctx->tes_shader.current)
 500                 return sctx->tes_shader.current;
 501         else
 502                 return sctx->vs_shader.current;
 503 }
 504
 505 static inline bool si_vs_exports_prim_id(struct si_shader *shader)
 506 {
 507         if (shader->selector->type == PIPE_SHADER_VERTEX)
 508                 return shader->key.part.vs.epilog.export_prim_id;
 509         else if (shader->selector->type == PIPE_SHADER_TESS_EVAL)
 510                 return shader->key.part.tes.epilog.export_prim_id;
 511         else
 512                 return false;
 513 }
 514
 515 static inline unsigned
 516 si_optimal_tcc_alignment(struct si_context *sctx, unsigned upload_size)
 517 {
 518         unsigned alignment, tcc_cache_line_size;
 519
 520         /* If the upload size is less than the cache line size (e.g. 16, 32),
 521          * the whole thing will fit into a cache line if we align it to its size.
 522          * The idea is that multiple small uploads can share a cache line.
 523          * If the upload size is greater, align it to the cache line size.
 524          */
 525         alignment = util_next_power_of_two(upload_size);
 526         tcc_cache_line_size = sctx->screen->b.info.tcc_cache_line_size;
 527         return MIN2(alignment, tcc_cache_line_size);
 528 }
 529
 530 #endif