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 "../../winsys/radeon/drm/radeon_winsys.h"
  30
  31 #include "pipe/p_state.h"
  32 #include "pipe/p_screen.h"
  33 #include "pipe/p_context.h"
  34 #include "util/u_math.h"
  35 #include "util/u_slab.h"
  36 #include "util/u_vbuf.h"
  37 #include "r600.h"
  38 #include "r600_public.h"
  39 #include "r600_shader.h"
  40 #include "r600_resource.h"
  41
  42 #define R600_MAX_CONST_BUFFERS 2
  43 #define R600_MAX_CONST_BUFFER_SIZE 4096
  44
  45 #ifdef PIPE_ARCH_BIG_ENDIAN
  46 #define R600_BIG_ENDIAN 1
  47 #else
  48 #define R600_BIG_ENDIAN 0
  49 #endif
  50
  51 enum r600_atom_flags {
  52         /* When set, atoms are added at the beginning of the dirty list
  53          * instead of the end. */
  54         EMIT_EARLY = (1 << 0)
  55 };
  56
  57 /* This encapsulates a state or an operation which can emitted into the GPU
  58  * command stream. It's not limited to states only, it can be used for anything
  59  * that wants to write commands into the CS (e.g. cache flushes). */
  60 struct r600_atom {
  61         void (*emit)(struct r600_context *ctx, struct r600_atom *state);
  62
  63         unsigned                num_dw;
  64         enum r600_atom_flags    flags;
  65         bool                    dirty;
  66
  67         struct list_head        head;
  68 };
  69
  70 /* This is an atom containing GPU commands that never change.
  71  * This is supposed to be copied directly into the CS. */
  72 struct r600_command_buffer {
  73         struct r600_atom atom;
  74         uint32_t *buf;
  75         unsigned max_num_dw;
  76 };
  77
  78 struct r600_atom_surface_sync {
  79         struct r600_atom atom;
  80         unsigned flush_flags; /* CP_COHER_CNTL */
  81 };
  82
  83 struct r600_atom_db_misc_state {
  84         struct r600_atom atom;
  85         bool occlusion_query_enabled;
  86         bool flush_depthstencil_enabled;
  87 };
  88
  89 enum r600_pipe_state_id {
  90         R600_PIPE_STATE_BLEND = 0,
  91         R600_PIPE_STATE_BLEND_COLOR,
  92         R600_PIPE_STATE_CONFIG,
  93         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
  94         R600_PIPE_STATE_CLIP,
  95         R600_PIPE_STATE_SCISSOR,
  96         R600_PIPE_STATE_VIEWPORT,
  97         R600_PIPE_STATE_RASTERIZER,
  98         R600_PIPE_STATE_VGT,
  99         R600_PIPE_STATE_FRAMEBUFFER,
 100         R600_PIPE_STATE_DSA,
 101         R600_PIPE_STATE_STENCIL_REF,
 102         R600_PIPE_STATE_PS_SHADER,
 103         R600_PIPE_STATE_VS_SHADER,
 104         R600_PIPE_STATE_CONSTANT,
 105         R600_PIPE_STATE_SAMPLER,
 106         R600_PIPE_STATE_RESOURCE,
 107         R600_PIPE_STATE_POLYGON_OFFSET,
 108         R600_PIPE_STATE_FETCH_SHADER,
 109         R600_PIPE_NSTATES
 110 };
 111
 112 struct r600_pipe_fences {
 113         struct r600_resource            *bo;
 114         unsigned                        *data;
 115         unsigned                        next_index;
 116         /* linked list of preallocated blocks */
 117         struct list_head                blocks;
 118         /* linked list of freed fences */
 119         struct list_head                pool;
 120         pipe_mutex                      mutex;
 121 };
 122
 123 struct r600_screen {
 124         struct pipe_screen              screen;
 125         struct radeon_winsys            *ws;
 126         unsigned                        family;
 127         enum chip_class                 chip_class;
 128         struct radeon_info              info;
 129         struct r600_tiling_info         tiling_info;
 130         struct util_slab_mempool        pool_buffers;
 131         struct r600_pipe_fences         fences;
 132
 133         unsigned                        num_contexts;
 134         bool                            use_surface_alloc;
 135
 136         /* for thread-safe write accessing to num_contexts */
 137         pipe_mutex                      mutex_num_contexts;
 138 };
 139
 140 struct r600_pipe_sampler_view {
 141         struct pipe_sampler_view        base;
 142         struct r600_pipe_resource_state         state;
 143 };
 144
 145 struct r600_pipe_rasterizer {
 146         struct r600_pipe_state          rstate;
 147         boolean                         flatshade;
 148         boolean                         two_side;
 149         unsigned                        sprite_coord_enable;
 150         unsigned                        clip_plane_enable;
 151         unsigned                        pa_sc_line_stipple;
 152         unsigned                        pa_cl_clip_cntl;
 153         float                           offset_units;
 154         float                           offset_scale;
 155 };
 156
 157 struct r600_pipe_blend {
 158         struct r600_pipe_state          rstate;
 159         unsigned                        cb_target_mask;
 160         unsigned                        cb_color_control;
 161 };
 162
 163 struct r600_pipe_dsa {
 164         struct r600_pipe_state          rstate;
 165         unsigned                        alpha_ref;
 166         ubyte                           valuemask[2];
 167         ubyte                           writemask[2];
 168         bool                            is_flush;
 169 };
 170
 171 struct r600_vertex_element
 172 {
 173         unsigned                        count;
 174         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 175         struct u_vbuf_elements          *vmgr_elements;
 176         struct r600_resource            *fetch_shader;
 177         unsigned                        fs_size;
 178         struct r600_pipe_state          rstate;
 179         /* if offset is to big for fetch instructio we need to alterate
 180          * offset of vertex buffer, record here the offset need to add
 181          */
 182         unsigned                        vbuffer_need_offset;
 183         unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
 184 };
 185
 186 struct r600_pipe_shader {
 187         struct r600_shader              shader;
 188         struct r600_pipe_state          rstate;
 189         struct r600_resource            *bo;
 190         struct r600_resource            *bo_fetch;
 191         struct r600_vertex_element      vertex_elements;
 192         struct tgsi_token               *tokens;
 193         unsigned        sprite_coord_enable;
 194         unsigned        flatshade;
 195         unsigned        pa_cl_vs_out_cntl;
 196         struct pipe_stream_output_info  so;
 197 };
 198
 199 struct r600_pipe_sampler_state {
 200         struct r600_pipe_state          rstate;
 201         boolean seamless_cube_map;
 202 };
 203
 204 /* needed for blitter save */
 205 #define NUM_TEX_UNITS 16
 206
 207 struct r600_textures_info {
 208         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 209         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
 210         unsigned                        n_views;
 211         unsigned                        n_samplers;
 212         bool                            samplers_dirty;
 213         bool                            is_array_sampler[NUM_TEX_UNITS];
 214 };
 215
 216 struct r600_fence {
 217         struct pipe_reference           reference;
 218         unsigned                        index; /* in the shared bo */
 219         struct r600_resource            *sleep_bo;
 220         struct list_head                head;
 221 };
 222
 223 #define FENCE_BLOCK_SIZE 16
 224
 225 struct r600_fence_block {
 226         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 227         struct list_head                head;
 228 };
 229
 230 #define R600_CONSTANT_ARRAY_SIZE 256
 231 #define R600_RESOURCE_ARRAY_SIZE 160
 232
 233 struct r600_stencil_ref
 234 {
 235         ubyte ref_value[2];
 236         ubyte valuemask[2];
 237         ubyte writemask[2];
 238 };
 239
 240 struct r600_context {
 241         struct pipe_context             context;
 242         struct blitter_context          *blitter;
 243         enum radeon_family              family;
 244         enum chip_class                 chip_class;
 245         unsigned                        r6xx_num_clause_temp_gprs;
 246         void                            *custom_dsa_flush;
 247         struct r600_screen              *screen;
 248         struct radeon_winsys            *ws;
 249         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 250         struct r600_vertex_element      *vertex_elements;
 251         struct r600_pipe_resource_state fs_resource[PIPE_MAX_ATTRIBS];
 252         struct pipe_framebuffer_state   framebuffer;
 253         unsigned                        cb_target_mask;
 254         unsigned                        cb_color_control;
 255         unsigned                        pa_sc_line_stipple;
 256         unsigned                        pa_cl_clip_cntl;
 257         /* for saving when using blitter */
 258         struct pipe_stencil_ref         stencil_ref;
 259         struct pipe_viewport_state      viewport;
 260         struct pipe_clip_state          clip;
 261         struct r600_pipe_shader         *ps_shader;
 262         struct r600_pipe_shader         *vs_shader;
 263         struct r600_pipe_state          vs_const_buffer;
 264         struct r600_pipe_resource_state         vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 265         struct r600_pipe_state          ps_const_buffer;
 266         struct r600_pipe_resource_state         ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 267         struct r600_pipe_rasterizer     *rasterizer;
 268         struct r600_pipe_state          vgt;
 269         struct r600_pipe_state          spi;
 270         struct pipe_query               *current_render_cond;
 271         unsigned                        current_render_cond_mode;
 272         struct pipe_query               *saved_render_cond;
 273         unsigned                        saved_render_cond_mode;
 274         /* shader information */
 275         boolean                         two_side;
 276         unsigned                        sprite_coord_enable;
 277         boolean                         export_16bpc;
 278         unsigned                        alpha_ref;
 279         boolean                         alpha_ref_dirty;
 280         unsigned                        nr_cbufs;
 281         struct r600_textures_info       vs_samplers;
 282         struct r600_textures_info       ps_samplers;
 283
 284         struct u_vbuf                   *vbuf_mgr;
 285         struct util_slab_mempool        pool_transfers;
 286         boolean                         have_depth_texture, have_depth_fb;
 287
 288         unsigned default_ps_gprs, default_vs_gprs;
 289
 290         /* States based on r600_state. */
 291         struct list_head                dirty_states;
 292         struct r600_command_buffer      atom_start_cs; /* invariant state mostly */
 293         struct r600_atom_surface_sync   atom_surface_sync;
 294         struct r600_atom                atom_r6xx_flush_and_inv;
 295         struct r600_atom_db_misc_state  atom_db_misc_state;
 296
 297         /* Below are variables from the old r600_context.
 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         struct list_head        active_query_list;
 313         unsigned                num_cs_dw_queries_suspend;
 314         unsigned                num_cs_dw_streamout_end;
 315
 316         unsigned                backend_mask;
 317         unsigned                max_db; /* for OQ */
 318         unsigned                flags;
 319         boolean                 predicate_drawing;
 320         struct r600_range       ps_resources;
 321         struct r600_range       vs_resources;
 322         struct r600_range       fs_resources;
 323         int                     num_ps_resources, num_vs_resources, num_fs_resources;
 324
 325         unsigned                num_so_targets;
 326         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
 327         boolean                 streamout_start;
 328         unsigned                streamout_append_bitmask;
 329 };
 330
 331 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
 332 {
 333         atom->emit(rctx, atom);
 334         atom->dirty = false;
 335         if (atom->head.next && atom->head.prev)
 336                 LIST_DELINIT(&atom->head);
 337 }
 338
 339 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
 340 {
 341         if (!state->dirty) {
 342                 if (state->flags & EMIT_EARLY) {
 343                         LIST_ADD(&state->head, &rctx->dirty_states);
 344                 } else {
 345                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
 346                 }
 347                 state->dirty = true;
 348         }
 349 }
 350
 351 /* evergreen_state.c */
 352 void evergreen_init_state_functions(struct r600_context *rctx);
 353 void evergreen_init_atom_start_cs(struct r600_context *rctx);
 354 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 355 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 356 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 357 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 358 void evergreen_polygon_offset_update(struct r600_context *rctx);
 359 void evergreen_pipe_init_buffer_resource(struct r600_context *rctx,
 360                                          struct r600_pipe_resource_state *rstate);
 361 void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
 362                                         struct r600_pipe_resource_state *rstate,
 363                                         struct r600_resource *rbuffer,
 364                                         unsigned offset, unsigned stride,
 365                                         enum radeon_bo_usage usage);
 366 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 367                                       enum pipe_format format,
 368                                       enum pipe_texture_target target,
 369                                       unsigned sample_count,
 370                                       unsigned usage);
 371
 372 /* r600_blit.c */
 373 void r600_init_blit_functions(struct r600_context *rctx);
 374 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 375 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 376 void r600_flush_depth_textures(struct r600_context *rctx);
 377
 378 /* r600_buffer.c */
 379 bool r600_init_resource(struct r600_screen *rscreen,
 380                         struct r600_resource *res,
 381                         unsigned size, unsigned alignment,
 382                         unsigned bind, unsigned usage);
 383 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 384                                          const struct pipe_resource *templ);
 385 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 386                                               void *ptr, unsigned bytes,
 387                                               unsigned bind);
 388 void r600_upload_index_buffer(struct r600_context *rctx,
 389                               struct pipe_index_buffer *ib, unsigned count);
 390
 391
 392 /* r600_pipe.c */
 393 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 394                 unsigned flags);
 395
 396 /* r600_query.c */
 397 void r600_init_query_functions(struct r600_context *rctx);
 398 void r600_suspend_queries(struct r600_context *ctx);
 399 void r600_resume_queries(struct r600_context *ctx);
 400
 401 /* r600_resource.c */
 402 void r600_init_context_resource_functions(struct r600_context *r600);
 403
 404 /* r600_shader.c */
 405 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 406 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 407 int r600_find_vs_semantic_index(struct r600_shader *vs,
 408                                 struct r600_shader *ps, int id);
 409
 410 /* r600_state.c */
 411 void r600_update_sampler_states(struct r600_context *rctx);
 412 void r600_init_state_functions(struct r600_context *rctx);
 413 void r600_init_atom_start_cs(struct r600_context *rctx);
 414 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 415 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 416 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 417 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 418 void r600_polygon_offset_update(struct r600_context *rctx);
 419 void r600_pipe_init_buffer_resource(struct r600_context *rctx,
 420                                     struct r600_pipe_resource_state *rstate);
 421 void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 422                                    struct r600_resource *rbuffer,
 423                                    unsigned offset, unsigned stride,
 424                                    enum radeon_bo_usage usage);
 425 void r600_adjust_gprs(struct r600_context *rctx);
 426 boolean r600_is_format_supported(struct pipe_screen *screen,
 427                                  enum pipe_format format,
 428                                  enum pipe_texture_target target,
 429                                  unsigned sample_count,
 430                                  unsigned usage);
 431
 432 /* r600_texture.c */
 433 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 434 void r600_init_surface_functions(struct r600_context *r600);
 435 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 436                                   const unsigned char *swizzle_view,
 437                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 438 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 439                                         unsigned level, unsigned layer);
 440
 441 /* r600_translate.c */
 442 void r600_translate_index_buffer(struct r600_context *r600,
 443                                  struct pipe_index_buffer *ib,
 444                                  unsigned count);
 445
 446 /* r600_state_common.c */
 447 void r600_init_atom(struct r600_atom *atom,
 448                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
 449                     unsigned num_dw, enum r600_atom_flags flags);
 450 void r600_init_common_atoms(struct r600_context *rctx);
 451 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
 452 void r600_texture_barrier(struct pipe_context *ctx);
 453 void r600_set_index_buffer(struct pipe_context *ctx,
 454                            const struct pipe_index_buffer *ib);
 455 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 456                              const struct pipe_vertex_buffer *buffers);
 457 void *r600_create_vertex_elements(struct pipe_context *ctx,
 458                                   unsigned count,
 459                                   const struct pipe_vertex_element *elements);
 460 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 461 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 462 void r600_set_blend_color(struct pipe_context *ctx,
 463                           const struct pipe_blend_color *state);
 464 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 465 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 466 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 467 void r600_sampler_view_destroy(struct pipe_context *ctx,
 468                                struct pipe_sampler_view *state);
 469 void r600_delete_state(struct pipe_context *ctx, void *state);
 470 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 471 void *r600_create_shader_state(struct pipe_context *ctx,
 472                                const struct pipe_shader_state *state);
 473 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 474 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 475 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 476 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 477 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 478                               struct pipe_resource *buffer);
 479 struct pipe_stream_output_target *
 480 r600_create_so_target(struct pipe_context *ctx,
 481                       struct pipe_resource *buffer,
 482                       unsigned buffer_offset,
 483                       unsigned buffer_size);
 484 void r600_so_target_destroy(struct pipe_context *ctx,
 485                             struct pipe_stream_output_target *target);
 486 void r600_set_so_targets(struct pipe_context *ctx,
 487                          unsigned num_targets,
 488                          struct pipe_stream_output_target **targets,
 489                          unsigned append_bitmask);
 490 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 491                                const struct pipe_stencil_ref *state);
 492 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 493 uint32_t r600_translate_stencil_op(int s_op);
 494 uint32_t r600_translate_fill(uint32_t func);
 495 unsigned r600_tex_wrap(unsigned wrap);
 496 unsigned r600_tex_filter(unsigned filter);
 497 unsigned r600_tex_mipfilter(unsigned filter);
 498 unsigned r600_tex_compare(unsigned compare);
 499
 500 /*
 501  * Helpers for building command buffers
 502  */
 503
 504 #define PKT3_SET_CONFIG_REG     0x68
 505 #define PKT3_SET_CONTEXT_REG    0x69
 506 #define PKT3_SET_CTL_CONST      0x6F
 507 #define PKT3_SET_LOOP_CONST                    0x6C
 508
 509 #define R600_CONFIG_REG_OFFSET  0x08000
 510 #define R600_CONTEXT_REG_OFFSET 0x28000
 511 #define R600_CTL_CONST_OFFSET   0x3CFF0
 512 #define R600_LOOP_CONST_OFFSET                 0X0003E200
 513 #define EG_LOOP_CONST_OFFSET               0x0003A200
 514
 515 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
 516 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
 517 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
 518 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
 519 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
 520
 521 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
 522 {
 523         cb->buf[cb->atom.num_dw++] = value;
 524 }
 525
 526 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 527 {
 528         assert(reg < R600_CONTEXT_REG_OFFSET);
 529         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 530         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 531         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 532 }
 533
 534 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 535 {
 536         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 537         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 538         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 539         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 540 }
 541
 542 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 543 {
 544         assert(reg >= R600_CTL_CONST_OFFSET);
 545         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 546         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 547         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 548 }
 549
 550 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 551 {
 552         assert(reg >= R600_LOOP_CONST_OFFSET);
 553         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 554         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 555         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
 556 }
 557
 558 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 559 {
 560         assert(reg >= EG_LOOP_CONST_OFFSET);
 561         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 562         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 563         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
 564 }
 565
 566 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 567 {
 568         r600_store_config_reg_seq(cb, reg, 1);
 569         r600_store_value(cb, value);
 570 }
 571
 572 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 573 {
 574         r600_store_context_reg_seq(cb, reg, 1);
 575         r600_store_value(cb, value);
 576 }
 577
 578 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 579 {
 580         r600_store_ctl_const_seq(cb, reg, 1);
 581         r600_store_value(cb, value);
 582 }
 583
 584 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 585 {
 586         r600_store_loop_const_seq(cb, reg, 1);
 587         r600_store_value(cb, value);
 588 }
 589
 590 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 591 {
 592         eg_store_loop_const_seq(cb, reg, 1);
 593         r600_store_value(cb, value);
 594 }
 595
 596 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
 597 void r600_release_command_buffer(struct r600_command_buffer *cb);
 598
 599 /*
 600  * Helpers for emitting state into a command stream directly.
 601  */
 602
 603 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
 604 {
 605         cs->buf[cs->cdw++] = value;
 606 }
 607
 608 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 609 {
 610         assert(reg < R600_CONTEXT_REG_OFFSET);
 611         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 612         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 613         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 614 }
 615
 616 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 617 {
 618         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 619         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 620         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 621         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 622 }
 623
 624 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 625 {
 626         assert(reg >= R600_CTL_CONST_OFFSET);
 627         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 628         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 629         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 630 }
 631
 632 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 633 {
 634         r600_write_config_reg_seq(cs, reg, 1);
 635         r600_write_value(cs, value);
 636 }
 637
 638 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 639 {
 640         r600_write_context_reg_seq(cs, reg, 1);
 641         r600_write_value(cs, value);
 642 }
 643
 644 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 645 {
 646         r600_write_ctl_const_seq(cs, reg, 1);
 647         r600_write_value(cs, value);
 648 }
 649
 650 /*
 651  * common helpers
 652  */
 653 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 654 {
 655         return value * (1 << frac_bits);
 656 }
 657 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 658
 659 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 660 {
 661         if (filter <= 1)   return 0;
 662         if (filter <= 2)   return 1;
 663         if (filter <= 4)   return 2;
 664         if (filter <= 8)   return 3;
 665          /* else */        return 4;
 666 }
 667
 668 /* 12.4 fixed-point */
 669 static INLINE unsigned r600_pack_float_12p4(float x)
 670 {
 671         return x <= 0    ? 0 :
 672                x >= 4096 ? 0xffff : x * 16;
 673 }
 674
 675 #endif