src/gallium/drivers/r600/r600_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 R600_PIPE_H
  27 #define R600_PIPE_H
  28
  29 #include "util/u_slab.h"
  30 #include "r600.h"
  31 #include "r600_llvm.h"
  32 #include "r600_public.h"
  33 #include "r600_shader.h"
  34 #include "r600_resource.h"
  35 #include "evergreen_compute.h"
  36
  37 #define R600_MAX_CONST_BUFFERS 2
  38 #define R600_MAX_CONST_BUFFER_SIZE 4096
  39
  40 #ifdef PIPE_ARCH_BIG_ENDIAN
  41 #define R600_BIG_ENDIAN 1
  42 #else
  43 #define R600_BIG_ENDIAN 0
  44 #endif
  45
  46 enum r600_atom_flags {
  47         /* When set, atoms are added at the beginning of the dirty list
  48          * instead of the end. */
  49         EMIT_EARLY = (1 << 0)
  50 };
  51
  52 /* This encapsulates a state or an operation which can emitted into the GPU
  53  * command stream. It's not limited to states only, it can be used for anything
  54  * that wants to write commands into the CS (e.g. cache flushes). */
  55 struct r600_atom {
  56         void (*emit)(struct r600_context *ctx, struct r600_atom *state);
  57
  58         unsigned                num_dw;
  59         enum r600_atom_flags    flags;
  60         bool                    dirty;
  61
  62         struct list_head        head;
  63 };
  64
  65 /* This is an atom containing GPU commands that never change.
  66  * This is supposed to be copied directly into the CS. */
  67 struct r600_command_buffer {
  68         struct r600_atom atom;
  69         uint32_t *buf;
  70         unsigned max_num_dw;
  71         unsigned pkt_flags;
  72 };
  73
  74 struct r600_surface_sync_cmd {
  75         struct r600_atom atom;
  76         unsigned flush_flags; /* CP_COHER_CNTL */
  77 };
  78
  79 struct r600_db_misc_state {
  80         struct r600_atom atom;
  81         bool occlusion_query_enabled;
  82         bool flush_depthstencil_through_cb;
  83         bool copy_depth, copy_stencil;
  84         unsigned copy_sample;
  85 };
  86
  87 struct r600_cb_misc_state {
  88         struct r600_atom atom;
  89         unsigned cb_color_control; /* this comes from blend state */
  90         unsigned blend_colormask; /* 8*4 bits for 8 RGBA colorbuffers */
  91         unsigned nr_cbufs;
  92         unsigned nr_ps_color_outputs;
  93         bool multiwrite;
  94         bool dual_src_blend;
  95 };
  96
  97 struct r600_alphatest_state {
  98         struct r600_atom atom;
  99         unsigned sx_alpha_test_control; /* this comes from dsa state */
 100         unsigned sx_alpha_ref; /* this comes from dsa state */
 101         bool bypass;
 102         bool cb0_export_16bpc; /* from set_framebuffer_state */
 103 };
 104
 105 struct r600_cs_shader_state {
 106         struct r600_atom atom;
 107         struct r600_pipe_compute *shader;
 108 };
 109
 110 struct r600_sample_mask {
 111         struct r600_atom atom;
 112         uint16_t sample_mask; /* there are only 8 bits on EG, 16 bits on Cayman */
 113 };
 114
 115 enum r600_pipe_state_id {
 116         R600_PIPE_STATE_BLEND = 0,
 117         R600_PIPE_STATE_BLEND_COLOR,
 118         R600_PIPE_STATE_CONFIG,
 119         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
 120         R600_PIPE_STATE_CLIP,
 121         R600_PIPE_STATE_SCISSOR,
 122         R600_PIPE_STATE_VIEWPORT,
 123         R600_PIPE_STATE_RASTERIZER,
 124         R600_PIPE_STATE_VGT,
 125         R600_PIPE_STATE_FRAMEBUFFER,
 126         R600_PIPE_STATE_DSA,
 127         R600_PIPE_STATE_STENCIL_REF,
 128         R600_PIPE_STATE_PS_SHADER,
 129         R600_PIPE_STATE_VS_SHADER,
 130         R600_PIPE_STATE_CONSTANT,
 131         R600_PIPE_STATE_SAMPLER,
 132         R600_PIPE_STATE_RESOURCE,
 133         R600_PIPE_STATE_POLYGON_OFFSET,
 134         R600_PIPE_STATE_FETCH_SHADER,
 135         R600_PIPE_STATE_SPI,
 136         R600_PIPE_NSTATES
 137 };
 138
 139 struct compute_memory_pool;
 140 void compute_memory_pool_delete(struct compute_memory_pool* pool);
 141 struct compute_memory_pool* compute_memory_pool_new(
 142         struct r600_screen *rscreen);
 143
 144 struct r600_pipe_fences {
 145         struct r600_resource            *bo;
 146         unsigned                        *data;
 147         unsigned                        next_index;
 148         /* linked list of preallocated blocks */
 149         struct list_head                blocks;
 150         /* linked list of freed fences */
 151         struct list_head                pool;
 152         pipe_mutex                      mutex;
 153 };
 154
 155 struct r600_screen {
 156         struct pipe_screen              screen;
 157         struct radeon_winsys            *ws;
 158         unsigned                        family;
 159         enum chip_class                 chip_class;
 160         struct radeon_info              info;
 161         bool                            has_streamout;
 162         struct r600_tiling_info         tiling_info;
 163         struct r600_pipe_fences         fences;
 164
 165         /*for compute global memory binding, we allocate stuff here, instead of
 166          * buffers.
 167          * XXX: Not sure if this is the best place for global_pool.  Also,
 168          * it's not thread safe, so it won't work with multiple contexts. */
 169         struct compute_memory_pool *global_pool;
 170 };
 171
 172 struct r600_pipe_sampler_view {
 173         struct pipe_sampler_view        base;
 174         struct r600_resource            *tex_resource;
 175         uint32_t                        tex_resource_words[8];
 176 };
 177
 178 struct r600_pipe_rasterizer {
 179         struct r600_pipe_state          rstate;
 180         boolean                         flatshade;
 181         boolean                         two_side;
 182         unsigned                        sprite_coord_enable;
 183         unsigned                        clip_plane_enable;
 184         unsigned                        pa_sc_line_stipple;
 185         unsigned                        pa_cl_clip_cntl;
 186         float                           offset_units;
 187         float                           offset_scale;
 188         bool                            scissor_enable;
 189         bool                            multisample_enable;
 190 };
 191
 192 struct r600_pipe_blend {
 193         struct r600_pipe_state          rstate;
 194         unsigned                        cb_target_mask;
 195         unsigned                        cb_color_control;
 196         bool                            dual_src_blend;
 197         bool                            alpha_to_one;
 198 };
 199
 200 struct r600_pipe_dsa {
 201         struct r600_pipe_state          rstate;
 202         unsigned                        alpha_ref;
 203         ubyte                           valuemask[2];
 204         ubyte                           writemask[2];
 205         unsigned                        sx_alpha_test_control;
 206 };
 207
 208 struct r600_vertex_element
 209 {
 210         unsigned                        count;
 211         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 212         struct r600_resource            *fetch_shader;
 213         unsigned                        fs_size;
 214         struct r600_pipe_state          rstate;
 215 };
 216
 217 struct r600_pipe_shader;
 218
 219 struct r600_pipe_shader_selector {
 220         struct r600_pipe_shader *current;
 221
 222         struct tgsi_token       *tokens;
 223         struct pipe_stream_output_info  so;
 224
 225         unsigned        num_shaders;
 226
 227         /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
 228         unsigned        type;
 229
 230         unsigned        nr_ps_max_color_exports;
 231 };
 232
 233 struct r600_pipe_shader {
 234         struct r600_pipe_shader_selector *selector;
 235         struct r600_pipe_shader *next_variant;
 236         struct r600_shader              shader;
 237         struct r600_pipe_state          rstate;
 238         struct r600_resource            *bo;
 239         struct r600_resource            *bo_fetch;
 240         struct r600_vertex_element      vertex_elements;
 241         unsigned        sprite_coord_enable;
 242         unsigned        flatshade;
 243         unsigned        pa_cl_vs_out_cntl;
 244         unsigned        nr_ps_color_outputs;
 245         unsigned        key;
 246         unsigned                db_shader_control;
 247         unsigned                ps_depth_export;
 248 };
 249
 250 struct r600_pipe_sampler_state {
 251         uint32_t                        tex_sampler_words[3];
 252         uint32_t                        border_color[4];
 253         bool                            border_color_use;
 254         bool                            seamless_cube_map;
 255 };
 256
 257 /* needed for blitter save */
 258 #define NUM_TEX_UNITS 16
 259
 260 struct r600_seamless_cube_map {
 261         struct r600_atom                atom;
 262         bool                            enabled;
 263 };
 264
 265 struct r600_samplerview_state {
 266         struct r600_atom                atom;
 267         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 268         uint32_t                        enabled_mask;
 269         uint32_t                        dirty_mask;
 270         uint32_t                        compressed_depthtex_mask; /* which textures are depth */
 271 };
 272
 273 struct r600_textures_info {
 274         struct r600_samplerview_state   views;
 275         struct r600_atom                atom_sampler;
 276         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
 277         unsigned                        n_samplers;
 278         bool                            is_array_sampler[NUM_TEX_UNITS];
 279 };
 280
 281 struct r600_fence {
 282         struct pipe_reference           reference;
 283         unsigned                        index; /* in the shared bo */
 284         struct r600_resource            *sleep_bo;
 285         struct list_head                head;
 286 };
 287
 288 #define FENCE_BLOCK_SIZE 16
 289
 290 struct r600_fence_block {
 291         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 292         struct list_head                head;
 293 };
 294
 295 #define R600_CONSTANT_ARRAY_SIZE 256
 296 #define R600_RESOURCE_ARRAY_SIZE 160
 297
 298 struct r600_stencil_ref
 299 {
 300         ubyte ref_value[2];
 301         ubyte valuemask[2];
 302         ubyte writemask[2];
 303 };
 304
 305 struct r600_constbuf_state
 306 {
 307         struct r600_atom                atom;
 308         struct pipe_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
 309         uint32_t                        enabled_mask;
 310         uint32_t                        dirty_mask;
 311 };
 312
 313 struct r600_vertexbuf_state
 314 {
 315         struct r600_atom                atom;
 316         struct pipe_vertex_buffer       vb[PIPE_MAX_ATTRIBS];
 317         uint32_t                        enabled_mask; /* non-NULL buffers */
 318         uint32_t                        dirty_mask;
 319 };
 320
 321 struct r600_context {
 322         struct pipe_context             context;
 323         struct blitter_context          *blitter;
 324         enum radeon_family              family;
 325         enum chip_class                 chip_class;
 326         boolean                         has_vertex_cache;
 327         unsigned                        r6xx_num_clause_temp_gprs;
 328         void                            *custom_dsa_flush;
 329         void                            *custom_blend_resolve;
 330
 331         struct r600_screen              *screen;
 332         struct radeon_winsys            *ws;
 333         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 334         struct r600_vertex_element      *vertex_elements;
 335         struct pipe_framebuffer_state   framebuffer;
 336         unsigned                        compute_cb_target_mask;
 337         unsigned                        db_shader_control;
 338         unsigned                        pa_sc_line_stipple;
 339         unsigned                        pa_cl_clip_cntl;
 340         /* for saving when using blitter */
 341         struct pipe_stencil_ref         stencil_ref;
 342         struct pipe_viewport_state      viewport;
 343         struct pipe_clip_state          clip;
 344         struct r600_pipe_shader_selector        *ps_shader;
 345         struct r600_pipe_shader_selector        *vs_shader;
 346         struct r600_pipe_rasterizer     *rasterizer;
 347         struct r600_pipe_state          vgt;
 348         struct r600_pipe_state          spi;
 349         struct pipe_query               *current_render_cond;
 350         unsigned                        current_render_cond_mode;
 351         struct pipe_query               *saved_render_cond;
 352         unsigned                        saved_render_cond_mode;
 353         /* shader information */
 354         boolean                         two_side;
 355         boolean                         spi_dirty;
 356         unsigned                        sprite_coord_enable;
 357         boolean                         flatshade;
 358         boolean                         export_16bpc;
 359         unsigned                        nr_cbufs;
 360         bool                            alpha_to_one;
 361         bool                            multisample_enable;
 362         bool                            cb0_is_integer;
 363
 364         struct u_upload_mgr             *uploader;
 365         struct util_slab_mempool        pool_transfers;
 366
 367         unsigned default_ps_gprs, default_vs_gprs;
 368
 369         /* States based on r600_atom. */
 370         struct list_head                dirty_states;
 371         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
 372         /** Compute specific registers initializations.  The start_cs_cmd atom
 373          *  must be emitted before start_compute_cs_cmd. */
 374         struct r600_command_buffer      start_compute_cs_cmd;
 375         struct r600_surface_sync_cmd    surface_sync_cmd;
 376         struct r600_atom                r6xx_flush_and_inv_cmd;
 377         struct r600_alphatest_state     alphatest_state;
 378         struct r600_cb_misc_state       cb_misc_state;
 379         struct r600_db_misc_state       db_misc_state;
 380         /** Vertex buffers for fetch shaders */
 381         struct r600_vertexbuf_state     vertex_buffer_state;
 382         /** Vertex buffers for compute shaders */
 383         struct r600_vertexbuf_state     cs_vertex_buffer_state;
 384         struct r600_constbuf_state      vs_constbuf_state;
 385         struct r600_constbuf_state      ps_constbuf_state;
 386         struct r600_textures_info       vs_samplers;
 387         struct r600_textures_info       ps_samplers;
 388         struct r600_seamless_cube_map   seamless_cube_map;
 389         struct r600_cs_shader_state     cs_shader_state;
 390         struct r600_sample_mask         sample_mask;
 391
 392         /* current external blend state (from state tracker) */
 393         struct r600_pipe_blend          *blend;
 394         /* state with disabled blending - used internally with blend_override */
 395         struct r600_pipe_blend          *no_blend;
 396
 397         /* 1 - override current blend state with no_blend, 0 - use external state */
 398         unsigned        blend_override;
 399
 400         struct radeon_winsys_cs *cs;
 401
 402         struct r600_range       *range;
 403         unsigned                nblocks;
 404         struct r600_block       **blocks;
 405         struct list_head        dirty;
 406         struct list_head        enable_list;
 407         unsigned                pm4_dirty_cdwords;
 408         unsigned                ctx_pm4_ndwords;
 409
 410         /* The list of active queries. Only one query of each type can be active. */
 411         int                     num_occlusion_queries;
 412
 413         /* Manage queries in two separate groups:
 414          * The timer ones and the others (streamout, occlusion).
 415          *
 416          * We do this because we should only suspend non-timer queries for u_blitter,
 417          * and later if the non-timer queries are suspended, the context flush should
 418          * only suspend and resume the timer queries. */
 419         struct list_head        active_timer_queries;
 420         unsigned                num_cs_dw_timer_queries_suspend;
 421         struct list_head        active_nontimer_queries;
 422         unsigned                num_cs_dw_nontimer_queries_suspend;
 423
 424         unsigned                num_cs_dw_streamout_end;
 425
 426         unsigned                backend_mask;
 427         unsigned                max_db; /* for OQ */
 428         unsigned                flags;
 429         boolean                 predicate_drawing;
 430
 431         unsigned                num_so_targets;
 432         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
 433         boolean                 streamout_start;
 434         unsigned                streamout_append_bitmask;
 435
 436         /* There is no scissor enable bit on r6xx, so we must use a workaround.
 437          * These track the current scissor state. */
 438         bool                    scissor_enable;
 439         struct pipe_scissor_state scissor_state;
 440
 441         /* With rasterizer discard, there doesn't have to be a pixel shader.
 442          * In that case, we bind this one: */
 443         void                    *dummy_pixel_shader;
 444
 445         boolean                 dual_src_blend;
 446
 447         /* Index buffer. */
 448         struct pipe_index_buffer index_buffer;
 449 };
 450
 451 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
 452 {
 453         atom->emit(rctx, atom);
 454         atom->dirty = false;
 455         if (atom->head.next && atom->head.prev)
 456                 LIST_DELINIT(&atom->head);
 457 }
 458
 459 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
 460 {
 461         if (!state->dirty) {
 462                 if (state->flags & EMIT_EARLY) {
 463                         LIST_ADD(&state->head, &rctx->dirty_states);
 464                 } else {
 465                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
 466                 }
 467                 state->dirty = true;
 468         }
 469 }
 470
 471 /* evergreen_state.c */
 472 void evergreen_init_common_regs(struct r600_command_buffer *cb,
 473                                 enum chip_class ctx_chip_class,
 474                                 enum radeon_family ctx_family,
 475                                 int ctx_drm_minor);
 476
 477 void evergreen_init_state_functions(struct r600_context *rctx);
 478 void evergreen_init_atom_start_cs(struct r600_context *rctx);
 479 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 480 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 481 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 482 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 483 void *evergreen_create_resolve_blend(struct r600_context *rctx);
 484 void evergreen_polygon_offset_update(struct r600_context *rctx);
 485 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 486                                       enum pipe_format format,
 487                                       enum pipe_texture_target target,
 488                                       unsigned sample_count,
 489                                       unsigned usage);
 490 void evergreen_init_color_surface(struct r600_context *rctx,
 491                                   struct r600_surface *surf);
 492 void evergreen_update_dual_export_state(struct r600_context * rctx);
 493
 494 /* r600_blit.c */
 495 void r600_copy_buffer(struct pipe_context *ctx, struct
 496                       pipe_resource *dst, unsigned dstx,
 497                       struct pipe_resource *src, const struct pipe_box *src_box);
 498 void r600_init_blit_functions(struct r600_context *rctx);
 499 void r600_blit_decompress_depth(struct pipe_context *ctx,
 500                 struct r600_texture *texture,
 501                 struct r600_texture *staging,
 502                 unsigned first_level, unsigned last_level,
 503                 unsigned first_layer, unsigned last_layer,
 504                 unsigned first_sample, unsigned last_sample);
 505 void r600_decompress_depth_textures(struct r600_context *rctx,
 506                                     struct r600_samplerview_state *textures);
 507
 508 /* r600_buffer.c */
 509 bool r600_init_resource(struct r600_screen *rscreen,
 510                         struct r600_resource *res,
 511                         unsigned size, unsigned alignment,
 512                         unsigned bind, unsigned usage);
 513 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 514                                          const struct pipe_resource *templ);
 515
 516 /* r600_pipe.c */
 517 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 518                 unsigned flags);
 519
 520 /* r600_query.c */
 521 void r600_init_query_functions(struct r600_context *rctx);
 522 void r600_suspend_nontimer_queries(struct r600_context *ctx);
 523 void r600_resume_nontimer_queries(struct r600_context *ctx);
 524 void r600_suspend_timer_queries(struct r600_context *ctx);
 525 void r600_resume_timer_queries(struct r600_context *ctx);
 526
 527 /* r600_resource.c */
 528 void r600_init_context_resource_functions(struct r600_context *r600);
 529
 530 /* r600_shader.c */
 531 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 532 #ifdef HAVE_OPENCL
 533 int r600_compute_shader_create(struct pipe_context * ctx,
 534         LLVMModuleRef mod,  struct r600_bytecode * bytecode);
 535 #endif
 536 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 537
 538 /* r600_state.c */
 539 void r600_set_scissor_state(struct r600_context *rctx,
 540                             const struct pipe_scissor_state *state);
 541 void r600_init_state_functions(struct r600_context *rctx);
 542 void r600_init_atom_start_cs(struct r600_context *rctx);
 543 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 544 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 545 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 546 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 547 void r600_polygon_offset_update(struct r600_context *rctx);
 548 void r600_adjust_gprs(struct r600_context *rctx);
 549 boolean r600_is_format_supported(struct pipe_screen *screen,
 550                                  enum pipe_format format,
 551                                  enum pipe_texture_target target,
 552                                  unsigned sample_count,
 553                                  unsigned usage);
 554 void r600_update_dual_export_state(struct r600_context * rctx);
 555
 556 /* r600_texture.c */
 557 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 558 void r600_init_surface_functions(struct r600_context *r600);
 559 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 560                                   const unsigned char *swizzle_view,
 561                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 562 unsigned r600_texture_get_offset(struct r600_texture *rtex,
 563                                         unsigned level, unsigned layer);
 564
 565 /* r600_translate.c */
 566 void r600_translate_index_buffer(struct r600_context *r600,
 567                                  struct pipe_index_buffer *ib,
 568                                  unsigned count);
 569
 570 /* r600_state_common.c */
 571 void r600_init_atom(struct r600_atom *atom,
 572                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
 573                     unsigned num_dw, enum r600_atom_flags flags);
 574 void r600_init_common_atoms(struct r600_context *rctx);
 575 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
 576 void r600_texture_barrier(struct pipe_context *ctx);
 577 void r600_set_index_buffer(struct pipe_context *ctx,
 578                            const struct pipe_index_buffer *ib);
 579 void r600_vertex_buffers_dirty(struct r600_context *rctx);
 580 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 581                              const struct pipe_vertex_buffer *input);
 582 void r600_sampler_views_dirty(struct r600_context *rctx,
 583                               struct r600_samplerview_state *state);
 584 void r600_set_sampler_views(struct pipe_context *pipe,
 585                             unsigned shader,
 586                             unsigned start,
 587                             unsigned count,
 588                             struct pipe_sampler_view **views);
 589 void r600_bind_vs_samplers(struct pipe_context *ctx, unsigned count, void **states);
 590 void r600_bind_ps_samplers(struct pipe_context *ctx, unsigned count, void **states);
 591 void *r600_create_vertex_elements(struct pipe_context *ctx,
 592                                   unsigned count,
 593                                   const struct pipe_vertex_element *elements);
 594 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 595 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 596 void r600_set_blend_color(struct pipe_context *ctx,
 597                           const struct pipe_blend_color *state);
 598 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 599 void r600_set_max_scissor(struct r600_context *rctx);
 600 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 601 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 602 void r600_sampler_view_destroy(struct pipe_context *ctx,
 603                                struct pipe_sampler_view *state);
 604 void r600_delete_sampler(struct pipe_context *ctx, void *state);
 605 void r600_delete_state(struct pipe_context *ctx, void *state);
 606 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 607 void *r600_create_shader_state_ps(struct pipe_context *ctx,
 608                    const struct pipe_shader_state *state);
 609 void *r600_create_shader_state_vs(struct pipe_context *ctx,
 610                    const struct pipe_shader_state *state);
 611 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 612 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 613 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 614 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 615 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
 616 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 617                               struct pipe_constant_buffer *cb);
 618 struct pipe_stream_output_target *
 619 r600_create_so_target(struct pipe_context *ctx,
 620                       struct pipe_resource *buffer,
 621                       unsigned buffer_offset,
 622                       unsigned buffer_size);
 623 void r600_so_target_destroy(struct pipe_context *ctx,
 624                             struct pipe_stream_output_target *target);
 625 void r600_set_so_targets(struct pipe_context *ctx,
 626                          unsigned num_targets,
 627                          struct pipe_stream_output_target **targets,
 628                          unsigned append_bitmask);
 629 void r600_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask);
 630 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 631                                const struct pipe_stencil_ref *state);
 632 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 633 uint32_t r600_translate_stencil_op(int s_op);
 634 uint32_t r600_translate_fill(uint32_t func);
 635 unsigned r600_tex_wrap(unsigned wrap);
 636 unsigned r600_tex_filter(unsigned filter);
 637 unsigned r600_tex_mipfilter(unsigned filter);
 638 unsigned r600_tex_compare(unsigned compare);
 639
 640 /*
 641  * Helpers for building command buffers
 642  */
 643
 644 #define PKT3_SET_CONFIG_REG     0x68
 645 #define PKT3_SET_CONTEXT_REG    0x69
 646 #define PKT3_SET_CTL_CONST      0x6F
 647 #define PKT3_SET_LOOP_CONST                    0x6C
 648
 649 #define R600_CONFIG_REG_OFFSET  0x08000
 650 #define R600_CONTEXT_REG_OFFSET 0x28000
 651 #define R600_CTL_CONST_OFFSET   0x3CFF0
 652 #define R600_LOOP_CONST_OFFSET                 0X0003E200
 653 #define EG_LOOP_CONST_OFFSET               0x0003A200
 654
 655 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
 656 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
 657 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
 658 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
 659 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
 660
 661 #define RADEON_CP_PACKET3_COMPUTE_MODE 0x00000002
 662
 663 /*Evergreen Compute packet3*/
 664 #define PKT3C(op, count, predicate) (PKT_TYPE_S(3) | PKT3_IT_OPCODE_S(op) | PKT_COUNT_S(count) | PKT3_PREDICATE(predicate) | RADEON_CP_PACKET3_COMPUTE_MODE)
 665
 666 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
 667 {
 668         cb->buf[cb->atom.num_dw++] = value;
 669 }
 670
 671 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 672 {
 673         assert(reg < R600_CONTEXT_REG_OFFSET);
 674         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 675         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 676         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 677 }
 678
 679 /**
 680  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
 681  * shaders.
 682  */
 683 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 684 {
 685         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 686         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 687         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
 688         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 689 }
 690
 691 /**
 692  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
 693  * shaders.
 694  */
 695 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 696 {
 697         assert(reg >= R600_CTL_CONST_OFFSET);
 698         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 699         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
 700         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 701 }
 702
 703 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 704 {
 705         assert(reg >= R600_LOOP_CONST_OFFSET);
 706         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 707         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 708         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
 709 }
 710
 711 /**
 712  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
 713  * shaders.
 714  */
 715 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 716 {
 717         assert(reg >= EG_LOOP_CONST_OFFSET);
 718         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 719         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
 720         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
 721 }
 722
 723 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 724 {
 725         r600_store_config_reg_seq(cb, reg, 1);
 726         r600_store_value(cb, value);
 727 }
 728
 729 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 730 {
 731         r600_store_context_reg_seq(cb, reg, 1);
 732         r600_store_value(cb, value);
 733 }
 734
 735 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 736 {
 737         r600_store_ctl_const_seq(cb, reg, 1);
 738         r600_store_value(cb, value);
 739 }
 740
 741 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 742 {
 743         r600_store_loop_const_seq(cb, reg, 1);
 744         r600_store_value(cb, value);
 745 }
 746
 747 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 748 {
 749         eg_store_loop_const_seq(cb, reg, 1);
 750         r600_store_value(cb, value);
 751 }
 752
 753 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
 754 void r600_release_command_buffer(struct r600_command_buffer *cb);
 755
 756 /*
 757  * Helpers for emitting state into a command stream directly.
 758  */
 759
 760 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
 761                                              enum radeon_bo_usage usage)
 762 {
 763         assert(usage);
 764         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
 765 }
 766
 767 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
 768 {
 769         cs->buf[cs->cdw++] = value;
 770 }
 771
 772 static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
 773 {
 774         assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
 775         memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
 776         cs->cdw += num;
 777 }
 778
 779 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 780 {
 781         assert(reg < R600_CONTEXT_REG_OFFSET);
 782         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 783         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 784         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 785 }
 786
 787 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 788 {
 789         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 790         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 791         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 792         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 793 }
 794
 795 static INLINE void r600_write_compute_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 796 {
 797         r600_write_context_reg_seq(cs, reg, num);
 798         /* Set the compute bit on the packet header */
 799         cs->buf[cs->cdw - 2] |= RADEON_CP_PACKET3_COMPUTE_MODE;
 800 }
 801
 802 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 803 {
 804         assert(reg >= R600_CTL_CONST_OFFSET);
 805         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 806         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 807         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 808 }
 809
 810 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 811 {
 812         r600_write_config_reg_seq(cs, reg, 1);
 813         r600_write_value(cs, value);
 814 }
 815
 816 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 817 {
 818         r600_write_context_reg_seq(cs, reg, 1);
 819         r600_write_value(cs, value);
 820 }
 821
 822 static INLINE void r600_write_compute_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 823 {
 824         r600_write_compute_context_reg_seq(cs, reg, 1);
 825         r600_write_value(cs, value);
 826 }
 827
 828 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 829 {
 830         r600_write_ctl_const_seq(cs, reg, 1);
 831         r600_write_value(cs, value);
 832 }
 833
 834 /*
 835  * common helpers
 836  */
 837 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 838 {
 839         return value * (1 << frac_bits);
 840 }
 841 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 842
 843 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 844 {
 845         if (filter <= 1)   return 0;
 846         if (filter <= 2)   return 1;
 847         if (filter <= 4)   return 2;
 848         if (filter <= 8)   return 3;
 849          /* else */        return 4;
 850 }
 851
 852 /* 12.4 fixed-point */
 853 static INLINE unsigned r600_pack_float_12p4(float x)
 854 {
 855         return x <= 0    ? 0 :
 856                x >= 4096 ? 0xffff : x * 16;
 857 }
 858
 859 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
 860 {
 861         struct r600_screen *rscreen = (struct r600_screen*)screen;
 862         struct r600_resource *rresource = (struct r600_resource*)resource;
 863
 864         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
 865 }
 866
 867 #endif