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_shader.h"
  32 #include "r600_resource.h"
  33
  34 #define R600_MAX_CONST_BUFFERS 2
  35 #define R600_MAX_CONST_BUFFER_SIZE 4096
  36
  37 #ifdef PIPE_ARCH_BIG_ENDIAN
  38 #define R600_BIG_ENDIAN 1
  39 #else
  40 #define R600_BIG_ENDIAN 0
  41 #endif
  42
  43 enum r600_atom_flags {
  44         /* When set, atoms are added at the beginning of the dirty list
  45          * instead of the end. */
  46         EMIT_EARLY = (1 << 0)
  47 };
  48
  49 /* This encapsulates a state or an operation which can emitted into the GPU
  50  * command stream. It's not limited to states only, it can be used for anything
  51  * that wants to write commands into the CS (e.g. cache flushes). */
  52 struct r600_atom {
  53         void (*emit)(struct r600_context *ctx, struct r600_atom *state);
  54
  55         unsigned                num_dw;
  56         enum r600_atom_flags    flags;
  57         bool                    dirty;
  58
  59         struct list_head        head;
  60 };
  61
  62 /* This is an atom containing GPU commands that never change.
  63  * This is supposed to be copied directly into the CS. */
  64 struct r600_command_buffer {
  65         struct r600_atom atom;
  66         uint32_t *buf;
  67         unsigned max_num_dw;
  68 };
  69
  70 struct r600_surface_sync_cmd {
  71         struct r600_atom atom;
  72         unsigned flush_flags; /* CP_COHER_CNTL */
  73 };
  74
  75 struct r600_db_misc_state {
  76         struct r600_atom atom;
  77         bool occlusion_query_enabled;
  78         bool flush_depthstencil_enabled;
  79 };
  80
  81 enum r600_pipe_state_id {
  82         R600_PIPE_STATE_BLEND = 0,
  83         R600_PIPE_STATE_BLEND_COLOR,
  84         R600_PIPE_STATE_CONFIG,
  85         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
  86         R600_PIPE_STATE_CLIP,
  87         R600_PIPE_STATE_SCISSOR,
  88         R600_PIPE_STATE_VIEWPORT,
  89         R600_PIPE_STATE_RASTERIZER,
  90         R600_PIPE_STATE_VGT,
  91         R600_PIPE_STATE_FRAMEBUFFER,
  92         R600_PIPE_STATE_DSA,
  93         R600_PIPE_STATE_STENCIL_REF,
  94         R600_PIPE_STATE_PS_SHADER,
  95         R600_PIPE_STATE_VS_SHADER,
  96         R600_PIPE_STATE_CONSTANT,
  97         R600_PIPE_STATE_SAMPLER,
  98         R600_PIPE_STATE_RESOURCE,
  99         R600_PIPE_STATE_POLYGON_OFFSET,
 100         R600_PIPE_STATE_FETCH_SHADER,
 101         R600_PIPE_NSTATES
 102 };
 103
 104 struct r600_pipe_fences {
 105         struct r600_resource            *bo;
 106         unsigned                        *data;
 107         unsigned                        next_index;
 108         /* linked list of preallocated blocks */
 109         struct list_head                blocks;
 110         /* linked list of freed fences */
 111         struct list_head                pool;
 112         pipe_mutex                      mutex;
 113 };
 114
 115 struct r600_screen {
 116         struct pipe_screen              screen;
 117         struct radeon_winsys            *ws;
 118         unsigned                        family;
 119         enum chip_class                 chip_class;
 120         struct radeon_info              info;
 121         struct r600_tiling_info         tiling_info;
 122         struct util_slab_mempool        pool_buffers;
 123         struct r600_pipe_fences         fences;
 124
 125         unsigned                        num_contexts;
 126         bool                            use_surface_alloc;
 127
 128         /* for thread-safe write accessing to num_contexts */
 129         pipe_mutex                      mutex_num_contexts;
 130 };
 131
 132 struct r600_pipe_sampler_view {
 133         struct pipe_sampler_view        base;
 134         struct r600_pipe_resource_state         state;
 135 };
 136
 137 struct r600_pipe_rasterizer {
 138         struct r600_pipe_state          rstate;
 139         boolean                         flatshade;
 140         boolean                         two_side;
 141         unsigned                        sprite_coord_enable;
 142         unsigned                        clip_plane_enable;
 143         unsigned                        pa_sc_line_stipple;
 144         unsigned                        pa_cl_clip_cntl;
 145         float                           offset_units;
 146         float                           offset_scale;
 147         bool                            scissor_enable;
 148 };
 149
 150 struct r600_pipe_blend {
 151         struct r600_pipe_state          rstate;
 152         unsigned                        cb_target_mask;
 153         unsigned                        cb_color_control;
 154 };
 155
 156 struct r600_pipe_dsa {
 157         struct r600_pipe_state          rstate;
 158         unsigned                        alpha_ref;
 159         ubyte                           valuemask[2];
 160         ubyte                           writemask[2];
 161         bool                            is_flush;
 162 };
 163
 164 struct r600_vertex_element
 165 {
 166         unsigned                        count;
 167         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 168         struct u_vbuf_elements          *vmgr_elements;
 169         struct r600_resource            *fetch_shader;
 170         unsigned                        fs_size;
 171         struct r600_pipe_state          rstate;
 172 };
 173
 174 struct r600_pipe_shader {
 175         struct r600_shader              shader;
 176         struct r600_pipe_state          rstate;
 177         struct r600_resource            *bo;
 178         struct r600_resource            *bo_fetch;
 179         struct r600_vertex_element      vertex_elements;
 180         struct tgsi_token               *tokens;
 181         unsigned        sprite_coord_enable;
 182         unsigned        flatshade;
 183         unsigned        pa_cl_vs_out_cntl;
 184         struct pipe_stream_output_info  so;
 185 };
 186
 187 struct r600_pipe_sampler_state {
 188         struct r600_pipe_state          rstate;
 189         boolean seamless_cube_map;
 190 };
 191
 192 /* needed for blitter save */
 193 #define NUM_TEX_UNITS 16
 194
 195 struct r600_textures_info {
 196         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 197         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
 198         unsigned                        n_views;
 199         unsigned                        n_samplers;
 200         bool                            samplers_dirty;
 201         bool                            is_array_sampler[NUM_TEX_UNITS];
 202 };
 203
 204 struct r600_fence {
 205         struct pipe_reference           reference;
 206         unsigned                        index; /* in the shared bo */
 207         struct r600_resource            *sleep_bo;
 208         struct list_head                head;
 209 };
 210
 211 #define FENCE_BLOCK_SIZE 16
 212
 213 struct r600_fence_block {
 214         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 215         struct list_head                head;
 216 };
 217
 218 #define R600_CONSTANT_ARRAY_SIZE 256
 219 #define R600_RESOURCE_ARRAY_SIZE 160
 220
 221 struct r600_stencil_ref
 222 {
 223         ubyte ref_value[2];
 224         ubyte valuemask[2];
 225         ubyte writemask[2];
 226 };
 227
 228 struct r600_constant_buffer
 229 {
 230         struct pipe_resource            *buffer;
 231         unsigned                        buffer_offset;
 232         unsigned                        buffer_size;
 233 };
 234
 235 struct r600_constbuf_state
 236 {
 237         struct r600_atom                atom;
 238         struct r600_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
 239         uint32_t                        enabled_mask;
 240         uint32_t                        dirty_mask;
 241 };
 242
 243 struct r600_context {
 244         struct pipe_context             context;
 245         struct blitter_context          *blitter;
 246         enum radeon_family              family;
 247         enum chip_class                 chip_class;
 248         boolean                         has_vertex_cache;
 249         unsigned                        r6xx_num_clause_temp_gprs;
 250         void                            *custom_dsa_flush;
 251         struct r600_screen              *screen;
 252         struct radeon_winsys            *ws;
 253         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 254         struct r600_vertex_element      *vertex_elements;
 255         struct pipe_framebuffer_state   framebuffer;
 256         unsigned                        cb_target_mask;
 257         unsigned                        cb_color_control;
 258         unsigned                        pa_sc_line_stipple;
 259         unsigned                        pa_cl_clip_cntl;
 260         /* for saving when using blitter */
 261         struct pipe_stencil_ref         stencil_ref;
 262         struct pipe_viewport_state      viewport;
 263         struct pipe_clip_state          clip;
 264         struct r600_pipe_shader         *ps_shader;
 265         struct r600_pipe_shader         *vs_shader;
 266         struct r600_pipe_rasterizer     *rasterizer;
 267         struct r600_pipe_state          vgt;
 268         struct r600_pipe_state          spi;
 269         struct pipe_query               *current_render_cond;
 270         unsigned                        current_render_cond_mode;
 271         struct pipe_query               *saved_render_cond;
 272         unsigned                        saved_render_cond_mode;
 273         /* shader information */
 274         boolean                         two_side;
 275         unsigned                        sprite_coord_enable;
 276         boolean                         export_16bpc;
 277         unsigned                        alpha_ref;
 278         boolean                         alpha_ref_dirty;
 279         unsigned                        nr_cbufs;
 280         struct r600_textures_info       vs_samplers;
 281         struct r600_textures_info       ps_samplers;
 282
 283         struct u_vbuf                   *vbuf_mgr;
 284         struct util_slab_mempool        pool_transfers;
 285         boolean                         have_depth_texture, have_depth_fb;
 286
 287         unsigned default_ps_gprs, default_vs_gprs;
 288
 289         /* States based on r600_atom. */
 290         struct list_head                dirty_states;
 291         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
 292         struct r600_surface_sync_cmd    surface_sync_cmd;
 293         struct r600_atom                r6xx_flush_and_inv_cmd;
 294         struct r600_db_misc_state       db_misc_state;
 295         struct r600_atom                vertex_buffer_state;
 296         struct r600_constbuf_state      vs_constbuf_state;
 297         struct r600_constbuf_state      ps_constbuf_state;
 298
 299         struct radeon_winsys_cs *cs;
 300
 301         struct r600_range       *range;
 302         unsigned                nblocks;
 303         struct r600_block       **blocks;
 304         struct list_head        dirty;
 305         struct list_head        resource_dirty;
 306         struct list_head        enable_list;
 307         unsigned                pm4_dirty_cdwords;
 308         unsigned                ctx_pm4_ndwords;
 309
 310         /* The list of active queries. Only one query of each type can be active. */
 311         int                     num_occlusion_queries;
 312
 313         /* Manage queries in two separate groups:
 314          * The timer ones and the others (streamout, occlusion).
 315          *
 316          * We do this because we should only suspend non-timer queries for u_blitter,
 317          * and later if the non-timer queries are suspended, the context flush should
 318          * only suspend and resume the timer queries. */
 319         struct list_head        active_timer_queries;
 320         unsigned                num_cs_dw_timer_queries_suspend;
 321         struct list_head        active_nontimer_queries;
 322         unsigned                num_cs_dw_nontimer_queries_suspend;
 323
 324         unsigned                num_cs_dw_streamout_end;
 325
 326         unsigned                backend_mask;
 327         unsigned                max_db; /* for OQ */
 328         unsigned                flags;
 329         boolean                 predicate_drawing;
 330         struct r600_range       ps_resources;
 331         struct r600_range       vs_resources;
 332         int                     num_ps_resources, num_vs_resources;
 333
 334         unsigned                num_so_targets;
 335         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
 336         boolean                 streamout_start;
 337         unsigned                streamout_append_bitmask;
 338
 339         /* There is no scissor enable bit on r6xx, so we must use a workaround.
 340          * These track the current scissor state. */
 341         bool                    scissor_enable;
 342         struct pipe_scissor_state scissor_state;
 343
 344         /* With rasterizer discard, there doesn't have to be a pixel shader.
 345          * In that case, we bind this one: */
 346         void                    *dummy_pixel_shader;
 347
 348         bool                    vertex_buffers_dirty;
 349 };
 350
 351 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
 352 {
 353         atom->emit(rctx, atom);
 354         atom->dirty = false;
 355         if (atom->head.next && atom->head.prev)
 356                 LIST_DELINIT(&atom->head);
 357 }
 358
 359 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
 360 {
 361         if (!state->dirty) {
 362                 if (state->flags & EMIT_EARLY) {
 363                         LIST_ADD(&state->head, &rctx->dirty_states);
 364                 } else {
 365                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
 366                 }
 367                 state->dirty = true;
 368         }
 369 }
 370
 371 /* evergreen_state.c */
 372 void evergreen_init_state_functions(struct r600_context *rctx);
 373 void evergreen_init_atom_start_cs(struct r600_context *rctx);
 374 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 375 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 376 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 377 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 378 void evergreen_polygon_offset_update(struct r600_context *rctx);
 379 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 380                                       enum pipe_format format,
 381                                       enum pipe_texture_target target,
 382                                       unsigned sample_count,
 383                                       unsigned usage);
 384
 385 /* r600_blit.c */
 386 void r600_init_blit_functions(struct r600_context *rctx);
 387 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 388 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 389 void r600_flush_depth_textures(struct r600_context *rctx);
 390
 391 /* r600_buffer.c */
 392 bool r600_init_resource(struct r600_screen *rscreen,
 393                         struct r600_resource *res,
 394                         unsigned size, unsigned alignment,
 395                         unsigned bind, unsigned usage);
 396 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 397                                          const struct pipe_resource *templ);
 398 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 399                                               void *ptr, unsigned bytes,
 400                                               unsigned bind);
 401
 402 /* r600_pipe.c */
 403 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 404                 unsigned flags);
 405
 406 /* r600_query.c */
 407 void r600_init_query_functions(struct r600_context *rctx);
 408 void r600_suspend_nontimer_queries(struct r600_context *ctx);
 409 void r600_resume_nontimer_queries(struct r600_context *ctx);
 410 void r600_suspend_timer_queries(struct r600_context *ctx);
 411 void r600_resume_timer_queries(struct r600_context *ctx);
 412
 413 /* r600_resource.c */
 414 void r600_init_context_resource_functions(struct r600_context *r600);
 415
 416 /* r600_shader.c */
 417 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 418 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 419 int r600_find_vs_semantic_index(struct r600_shader *vs,
 420                                 struct r600_shader *ps, int id);
 421
 422 /* r600_state.c */
 423 void r600_set_scissor_state(struct r600_context *rctx,
 424                             const struct pipe_scissor_state *state);
 425 void r600_update_sampler_states(struct r600_context *rctx);
 426 void r600_init_state_functions(struct r600_context *rctx);
 427 void r600_init_atom_start_cs(struct r600_context *rctx);
 428 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 429 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 430 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 431 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 432 void r600_polygon_offset_update(struct r600_context *rctx);
 433 void r600_adjust_gprs(struct r600_context *rctx);
 434 boolean r600_is_format_supported(struct pipe_screen *screen,
 435                                  enum pipe_format format,
 436                                  enum pipe_texture_target target,
 437                                  unsigned sample_count,
 438                                  unsigned usage);
 439
 440 /* r600_texture.c */
 441 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 442 void r600_init_surface_functions(struct r600_context *r600);
 443 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 444                                   const unsigned char *swizzle_view,
 445                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 446 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 447                                         unsigned level, unsigned layer);
 448
 449 /* r600_translate.c */
 450 void r600_translate_index_buffer(struct r600_context *r600,
 451                                  struct pipe_index_buffer *ib,
 452                                  unsigned count);
 453
 454 /* r600_state_common.c */
 455 void r600_init_atom(struct r600_atom *atom,
 456                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
 457                     unsigned num_dw, enum r600_atom_flags flags);
 458 void r600_init_common_atoms(struct r600_context *rctx);
 459 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
 460 void r600_texture_barrier(struct pipe_context *ctx);
 461 void r600_set_index_buffer(struct pipe_context *ctx,
 462                            const struct pipe_index_buffer *ib);
 463 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 464                              const struct pipe_vertex_buffer *buffers);
 465 void *r600_create_vertex_elements(struct pipe_context *ctx,
 466                                   unsigned count,
 467                                   const struct pipe_vertex_element *elements);
 468 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 469 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 470 void r600_set_blend_color(struct pipe_context *ctx,
 471                           const struct pipe_blend_color *state);
 472 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 473 void r600_set_max_scissor(struct r600_context *rctx);
 474 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 475 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 476 void r600_sampler_view_destroy(struct pipe_context *ctx,
 477                                struct pipe_sampler_view *state);
 478 void r600_delete_state(struct pipe_context *ctx, void *state);
 479 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 480 void *r600_create_shader_state(struct pipe_context *ctx,
 481                                const struct pipe_shader_state *state);
 482 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 483 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 484 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 485 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 486 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
 487 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 488                               struct pipe_resource *buffer);
 489 struct pipe_stream_output_target *
 490 r600_create_so_target(struct pipe_context *ctx,
 491                       struct pipe_resource *buffer,
 492                       unsigned buffer_offset,
 493                       unsigned buffer_size);
 494 void r600_so_target_destroy(struct pipe_context *ctx,
 495                             struct pipe_stream_output_target *target);
 496 void r600_set_so_targets(struct pipe_context *ctx,
 497                          unsigned num_targets,
 498                          struct pipe_stream_output_target **targets,
 499                          unsigned append_bitmask);
 500 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 501                                const struct pipe_stencil_ref *state);
 502 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 503 uint32_t r600_translate_stencil_op(int s_op);
 504 uint32_t r600_translate_fill(uint32_t func);
 505 unsigned r600_tex_wrap(unsigned wrap);
 506 unsigned r600_tex_filter(unsigned filter);
 507 unsigned r600_tex_mipfilter(unsigned filter);
 508 unsigned r600_tex_compare(unsigned compare);
 509
 510 /*
 511  * Helpers for building command buffers
 512  */
 513
 514 #define PKT3_SET_CONFIG_REG     0x68
 515 #define PKT3_SET_CONTEXT_REG    0x69
 516 #define PKT3_SET_CTL_CONST      0x6F
 517 #define PKT3_SET_LOOP_CONST                    0x6C
 518
 519 #define R600_CONFIG_REG_OFFSET  0x08000
 520 #define R600_CONTEXT_REG_OFFSET 0x28000
 521 #define R600_CTL_CONST_OFFSET   0x3CFF0
 522 #define R600_LOOP_CONST_OFFSET                 0X0003E200
 523 #define EG_LOOP_CONST_OFFSET               0x0003A200
 524
 525 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
 526 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
 527 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
 528 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
 529 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
 530
 531 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
 532 {
 533         cb->buf[cb->atom.num_dw++] = value;
 534 }
 535
 536 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 537 {
 538         assert(reg < R600_CONTEXT_REG_OFFSET);
 539         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 540         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 541         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 542 }
 543
 544 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 545 {
 546         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 547         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 548         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 549         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 550 }
 551
 552 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 553 {
 554         assert(reg >= R600_CTL_CONST_OFFSET);
 555         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 556         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 557         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 558 }
 559
 560 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 561 {
 562         assert(reg >= R600_LOOP_CONST_OFFSET);
 563         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 564         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 565         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
 566 }
 567
 568 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 569 {
 570         assert(reg >= EG_LOOP_CONST_OFFSET);
 571         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 572         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 573         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
 574 }
 575
 576 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 577 {
 578         r600_store_config_reg_seq(cb, reg, 1);
 579         r600_store_value(cb, value);
 580 }
 581
 582 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 583 {
 584         r600_store_context_reg_seq(cb, reg, 1);
 585         r600_store_value(cb, value);
 586 }
 587
 588 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 589 {
 590         r600_store_ctl_const_seq(cb, reg, 1);
 591         r600_store_value(cb, value);
 592 }
 593
 594 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 595 {
 596         r600_store_loop_const_seq(cb, reg, 1);
 597         r600_store_value(cb, value);
 598 }
 599
 600 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 601 {
 602         eg_store_loop_const_seq(cb, reg, 1);
 603         r600_store_value(cb, value);
 604 }
 605
 606 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
 607 void r600_release_command_buffer(struct r600_command_buffer *cb);
 608
 609 /*
 610  * Helpers for emitting state into a command stream directly.
 611  */
 612
 613 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
 614                                              enum radeon_bo_usage usage)
 615 {
 616         assert(usage);
 617         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
 618 }
 619
 620 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
 621 {
 622         cs->buf[cs->cdw++] = value;
 623 }
 624
 625 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 626 {
 627         assert(reg < R600_CONTEXT_REG_OFFSET);
 628         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 629         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 630         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 631 }
 632
 633 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 634 {
 635         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 636         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 637         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 638         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 639 }
 640
 641 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 642 {
 643         assert(reg >= R600_CTL_CONST_OFFSET);
 644         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 645         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 646         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 647 }
 648
 649 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 650 {
 651         r600_write_config_reg_seq(cs, reg, 1);
 652         r600_write_value(cs, value);
 653 }
 654
 655 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 656 {
 657         r600_write_context_reg_seq(cs, reg, 1);
 658         r600_write_value(cs, value);
 659 }
 660
 661 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 662 {
 663         r600_write_ctl_const_seq(cs, reg, 1);
 664         r600_write_value(cs, value);
 665 }
 666
 667 /*
 668  * common helpers
 669  */
 670 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 671 {
 672         return value * (1 << frac_bits);
 673 }
 674 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 675
 676 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 677 {
 678         if (filter <= 1)   return 0;
 679         if (filter <= 2)   return 1;
 680         if (filter <= 4)   return 2;
 681         if (filter <= 8)   return 3;
 682          /* else */        return 4;
 683 }
 684
 685 /* 12.4 fixed-point */
 686 static INLINE unsigned r600_pack_float_12p4(float x)
 687 {
 688         return x <= 0    ? 0 :
 689                x >= 4096 ? 0xffff : x * 16;
 690 }
 691
 692 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
 693 {
 694         struct r600_screen *rscreen = (struct r600_screen*)screen;
 695         struct r600_resource *rresource = (struct r600_resource*)resource;
 696
 697         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
 698 }
 699
 700 #endif