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         int                             glsl_feature_level;
 128
 129         /* for thread-safe write accessing to num_contexts */
 130         pipe_mutex                      mutex_num_contexts;
 131 };
 132
 133 struct r600_pipe_sampler_view {
 134         struct pipe_sampler_view        base;
 135         struct r600_pipe_resource_state         state;
 136 };
 137
 138 struct r600_pipe_rasterizer {
 139         struct r600_pipe_state          rstate;
 140         boolean                         flatshade;
 141         boolean                         two_side;
 142         unsigned                        sprite_coord_enable;
 143         unsigned                        clip_plane_enable;
 144         unsigned                        pa_sc_line_stipple;
 145         unsigned                        pa_cl_clip_cntl;
 146         float                           offset_units;
 147         float                           offset_scale;
 148         bool                            scissor_enable;
 149 };
 150
 151 struct r600_pipe_blend {
 152         struct r600_pipe_state          rstate;
 153         unsigned                        cb_target_mask;
 154         unsigned                        cb_color_control;
 155         bool                            dual_src_blend;
 156 };
 157
 158 struct r600_pipe_dsa {
 159         struct r600_pipe_state          rstate;
 160         unsigned                        alpha_ref;
 161         ubyte                           valuemask[2];
 162         ubyte                           writemask[2];
 163         bool                            is_flush;
 164 };
 165
 166 struct r600_vertex_element
 167 {
 168         unsigned                        count;
 169         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 170         struct u_vbuf_elements          *vmgr_elements;
 171         struct r600_resource            *fetch_shader;
 172         unsigned                        fs_size;
 173         struct r600_pipe_state          rstate;
 174 };
 175
 176 struct r600_pipe_shader {
 177         struct r600_shader              shader;
 178         struct r600_pipe_state          rstate;
 179         struct r600_resource            *bo;
 180         struct r600_resource            *bo_fetch;
 181         struct r600_vertex_element      vertex_elements;
 182         struct tgsi_token               *tokens;
 183         unsigned        sprite_coord_enable;
 184         unsigned        flatshade;
 185         unsigned        pa_cl_vs_out_cntl;
 186         unsigned        ps_cb_shader_mask;
 187         struct pipe_stream_output_info  so;
 188 };
 189
 190 struct r600_pipe_sampler_state {
 191         struct r600_pipe_state          rstate;
 192         boolean seamless_cube_map;
 193 };
 194
 195 /* needed for blitter save */
 196 #define NUM_TEX_UNITS 16
 197
 198 struct r600_textures_info {
 199         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 200         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
 201         unsigned                        n_views;
 202         unsigned                        n_samplers;
 203         bool                            samplers_dirty;
 204         bool                            is_array_sampler[NUM_TEX_UNITS];
 205 };
 206
 207 struct r600_fence {
 208         struct pipe_reference           reference;
 209         unsigned                        index; /* in the shared bo */
 210         struct r600_resource            *sleep_bo;
 211         struct list_head                head;
 212 };
 213
 214 #define FENCE_BLOCK_SIZE 16
 215
 216 struct r600_fence_block {
 217         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 218         struct list_head                head;
 219 };
 220
 221 #define R600_CONSTANT_ARRAY_SIZE 256
 222 #define R600_RESOURCE_ARRAY_SIZE 160
 223
 224 struct r600_stencil_ref
 225 {
 226         ubyte ref_value[2];
 227         ubyte valuemask[2];
 228         ubyte writemask[2];
 229 };
 230
 231 struct r600_constant_buffer
 232 {
 233         struct pipe_resource            *buffer;
 234         unsigned                        buffer_offset;
 235         unsigned                        buffer_size;
 236 };
 237
 238 struct r600_constbuf_state
 239 {
 240         struct r600_atom                atom;
 241         struct r600_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
 242         uint32_t                        enabled_mask;
 243         uint32_t                        dirty_mask;
 244 };
 245
 246 struct r600_context {
 247         struct pipe_context             context;
 248         struct blitter_context          *blitter;
 249         enum radeon_family              family;
 250         enum chip_class                 chip_class;
 251         boolean                         has_vertex_cache;
 252         unsigned                        r6xx_num_clause_temp_gprs;
 253         void                            *custom_dsa_flush;
 254         struct r600_screen              *screen;
 255         struct radeon_winsys            *ws;
 256         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 257         struct r600_vertex_element      *vertex_elements;
 258         struct pipe_framebuffer_state   framebuffer;
 259         unsigned                        cb_target_mask;
 260         unsigned                        fb_cb_shader_mask;
 261         unsigned                        cb_shader_mask;
 262         unsigned                        cb_color_control;
 263         unsigned                        pa_sc_line_stipple;
 264         unsigned                        pa_cl_clip_cntl;
 265         /* for saving when using blitter */
 266         struct pipe_stencil_ref         stencil_ref;
 267         struct pipe_viewport_state      viewport;
 268         struct pipe_clip_state          clip;
 269         struct r600_pipe_shader         *ps_shader;
 270         struct r600_pipe_shader         *vs_shader;
 271         struct r600_pipe_rasterizer     *rasterizer;
 272         struct r600_pipe_state          vgt;
 273         struct r600_pipe_state          spi;
 274         struct pipe_query               *current_render_cond;
 275         unsigned                        current_render_cond_mode;
 276         struct pipe_query               *saved_render_cond;
 277         unsigned                        saved_render_cond_mode;
 278         /* shader information */
 279         boolean                         two_side;
 280         unsigned                        sprite_coord_enable;
 281         boolean                         export_16bpc;
 282         unsigned                        alpha_ref;
 283         boolean                         alpha_ref_dirty;
 284         unsigned                        nr_cbufs;
 285         struct r600_textures_info       vs_samplers;
 286         struct r600_textures_info       ps_samplers;
 287
 288         struct u_vbuf                   *vbuf_mgr;
 289         struct util_slab_mempool        pool_transfers;
 290         boolean                         have_depth_texture, have_depth_fb;
 291
 292         unsigned default_ps_gprs, default_vs_gprs;
 293
 294         /* States based on r600_atom. */
 295         struct list_head                dirty_states;
 296         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
 297         struct r600_surface_sync_cmd    surface_sync_cmd;
 298         struct r600_atom                r6xx_flush_and_inv_cmd;
 299         struct r600_db_misc_state       db_misc_state;
 300         struct r600_atom                vertex_buffer_state;
 301         struct r600_constbuf_state      vs_constbuf_state;
 302         struct r600_constbuf_state      ps_constbuf_state;
 303
 304         struct radeon_winsys_cs *cs;
 305
 306         struct r600_range       *range;
 307         unsigned                nblocks;
 308         struct r600_block       **blocks;
 309         struct list_head        dirty;
 310         struct list_head        resource_dirty;
 311         struct list_head        enable_list;
 312         unsigned                pm4_dirty_cdwords;
 313         unsigned                ctx_pm4_ndwords;
 314
 315         /* The list of active queries. Only one query of each type can be active. */
 316         int                     num_occlusion_queries;
 317
 318         /* Manage queries in two separate groups:
 319          * The timer ones and the others (streamout, occlusion).
 320          *
 321          * We do this because we should only suspend non-timer queries for u_blitter,
 322          * and later if the non-timer queries are suspended, the context flush should
 323          * only suspend and resume the timer queries. */
 324         struct list_head        active_timer_queries;
 325         unsigned                num_cs_dw_timer_queries_suspend;
 326         struct list_head        active_nontimer_queries;
 327         unsigned                num_cs_dw_nontimer_queries_suspend;
 328
 329         unsigned                num_cs_dw_streamout_end;
 330
 331         unsigned                backend_mask;
 332         unsigned                max_db; /* for OQ */
 333         unsigned                flags;
 334         boolean                 predicate_drawing;
 335         struct r600_range       ps_resources;
 336         struct r600_range       vs_resources;
 337         int                     num_ps_resources, num_vs_resources;
 338
 339         unsigned                num_so_targets;
 340         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
 341         boolean                 streamout_start;
 342         unsigned                streamout_append_bitmask;
 343
 344         /* There is no scissor enable bit on r6xx, so we must use a workaround.
 345          * These track the current scissor state. */
 346         bool                    scissor_enable;
 347         struct pipe_scissor_state scissor_state;
 348
 349         /* With rasterizer discard, there doesn't have to be a pixel shader.
 350          * In that case, we bind this one: */
 351         void                    *dummy_pixel_shader;
 352
 353         bool                    vertex_buffers_dirty;
 354         boolean                 dual_src_blend;
 355         unsigned color0_format;
 356
 357         struct pipe_index_buffer index_buffer;
 358 };
 359
 360 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
 361 {
 362         atom->emit(rctx, atom);
 363         atom->dirty = false;
 364         if (atom->head.next && atom->head.prev)
 365                 LIST_DELINIT(&atom->head);
 366 }
 367
 368 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
 369 {
 370         if (!state->dirty) {
 371                 if (state->flags & EMIT_EARLY) {
 372                         LIST_ADD(&state->head, &rctx->dirty_states);
 373                 } else {
 374                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
 375                 }
 376                 state->dirty = true;
 377         }
 378 }
 379
 380 /* evergreen_state.c */
 381 void evergreen_init_state_functions(struct r600_context *rctx);
 382 void evergreen_init_atom_start_cs(struct r600_context *rctx);
 383 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 384 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 385 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 386 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 387 void evergreen_polygon_offset_update(struct r600_context *rctx);
 388 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 389                                       enum pipe_format format,
 390                                       enum pipe_texture_target target,
 391                                       unsigned sample_count,
 392                                       unsigned usage);
 393
 394 /* r600_blit.c */
 395 void r600_init_blit_functions(struct r600_context *rctx);
 396 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 397 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 398 void r600_flush_depth_textures(struct r600_context *rctx);
 399
 400 /* r600_buffer.c */
 401 bool r600_init_resource(struct r600_screen *rscreen,
 402                         struct r600_resource *res,
 403                         unsigned size, unsigned alignment,
 404                         unsigned bind, unsigned usage);
 405 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 406                                          const struct pipe_resource *templ);
 407 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 408                                               void *ptr, unsigned bytes,
 409                                               unsigned bind);
 410
 411 /* r600_pipe.c */
 412 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 413                 unsigned flags);
 414
 415 /* r600_query.c */
 416 void r600_init_query_functions(struct r600_context *rctx);
 417 void r600_suspend_nontimer_queries(struct r600_context *ctx);
 418 void r600_resume_nontimer_queries(struct r600_context *ctx);
 419 void r600_suspend_timer_queries(struct r600_context *ctx);
 420 void r600_resume_timer_queries(struct r600_context *ctx);
 421
 422 /* r600_resource.c */
 423 void r600_init_context_resource_functions(struct r600_context *r600);
 424
 425 /* r600_shader.c */
 426 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 427 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 428 int r600_find_vs_semantic_index(struct r600_shader *vs,
 429                                 struct r600_shader *ps, int id);
 430
 431 /* r600_state.c */
 432 void r600_set_scissor_state(struct r600_context *rctx,
 433                             const struct pipe_scissor_state *state);
 434 void r600_update_sampler_states(struct r600_context *rctx);
 435 void r600_init_state_functions(struct r600_context *rctx);
 436 void r600_init_atom_start_cs(struct r600_context *rctx);
 437 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 438 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 439 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 440 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 441 void r600_polygon_offset_update(struct r600_context *rctx);
 442 void r600_adjust_gprs(struct r600_context *rctx);
 443 boolean r600_is_format_supported(struct pipe_screen *screen,
 444                                  enum pipe_format format,
 445                                  enum pipe_texture_target target,
 446                                  unsigned sample_count,
 447                                  unsigned usage);
 448
 449 /* r600_texture.c */
 450 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 451 void r600_init_surface_functions(struct r600_context *r600);
 452 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 453                                   const unsigned char *swizzle_view,
 454                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 455 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 456                                         unsigned level, unsigned layer);
 457
 458 /* r600_translate.c */
 459 void r600_translate_index_buffer(struct r600_context *r600,
 460                                  struct pipe_index_buffer *ib,
 461                                  unsigned count);
 462
 463 /* r600_state_common.c */
 464 void r600_init_atom(struct r600_atom *atom,
 465                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
 466                     unsigned num_dw, enum r600_atom_flags flags);
 467 void r600_init_common_atoms(struct r600_context *rctx);
 468 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
 469 void r600_texture_barrier(struct pipe_context *ctx);
 470 void r600_set_index_buffer(struct pipe_context *ctx,
 471                            const struct pipe_index_buffer *ib);
 472 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 473                              const struct pipe_vertex_buffer *buffers);
 474 void *r600_create_vertex_elements(struct pipe_context *ctx,
 475                                   unsigned count,
 476                                   const struct pipe_vertex_element *elements);
 477 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 478 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 479 void r600_set_blend_color(struct pipe_context *ctx,
 480                           const struct pipe_blend_color *state);
 481 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 482 void r600_set_max_scissor(struct r600_context *rctx);
 483 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 484 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 485 void r600_sampler_view_destroy(struct pipe_context *ctx,
 486                                struct pipe_sampler_view *state);
 487 void r600_delete_state(struct pipe_context *ctx, void *state);
 488 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 489 void *r600_create_shader_state(struct pipe_context *ctx,
 490                                const struct pipe_shader_state *state);
 491 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 492 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 493 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 494 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 495 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
 496 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 497                               struct pipe_resource *buffer);
 498 struct pipe_stream_output_target *
 499 r600_create_so_target(struct pipe_context *ctx,
 500                       struct pipe_resource *buffer,
 501                       unsigned buffer_offset,
 502                       unsigned buffer_size);
 503 void r600_so_target_destroy(struct pipe_context *ctx,
 504                             struct pipe_stream_output_target *target);
 505 void r600_set_so_targets(struct pipe_context *ctx,
 506                          unsigned num_targets,
 507                          struct pipe_stream_output_target **targets,
 508                          unsigned append_bitmask);
 509 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 510                                const struct pipe_stencil_ref *state);
 511 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 512 uint32_t r600_translate_stencil_op(int s_op);
 513 uint32_t r600_translate_fill(uint32_t func);
 514 unsigned r600_tex_wrap(unsigned wrap);
 515 unsigned r600_tex_filter(unsigned filter);
 516 unsigned r600_tex_mipfilter(unsigned filter);
 517 unsigned r600_tex_compare(unsigned compare);
 518
 519 /*
 520  * Helpers for building command buffers
 521  */
 522
 523 #define PKT3_SET_CONFIG_REG     0x68
 524 #define PKT3_SET_CONTEXT_REG    0x69
 525 #define PKT3_SET_CTL_CONST      0x6F
 526 #define PKT3_SET_LOOP_CONST                    0x6C
 527
 528 #define R600_CONFIG_REG_OFFSET  0x08000
 529 #define R600_CONTEXT_REG_OFFSET 0x28000
 530 #define R600_CTL_CONST_OFFSET   0x3CFF0
 531 #define R600_LOOP_CONST_OFFSET                 0X0003E200
 532 #define EG_LOOP_CONST_OFFSET               0x0003A200
 533
 534 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
 535 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
 536 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
 537 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
 538 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
 539
 540 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
 541 {
 542         cb->buf[cb->atom.num_dw++] = value;
 543 }
 544
 545 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 546 {
 547         assert(reg < R600_CONTEXT_REG_OFFSET);
 548         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 549         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 550         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 551 }
 552
 553 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 554 {
 555         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 556         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 557         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 558         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 559 }
 560
 561 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 562 {
 563         assert(reg >= R600_CTL_CONST_OFFSET);
 564         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 565         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 566         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 567 }
 568
 569 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 570 {
 571         assert(reg >= R600_LOOP_CONST_OFFSET);
 572         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 573         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 574         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
 575 }
 576
 577 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
 578 {
 579         assert(reg >= EG_LOOP_CONST_OFFSET);
 580         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
 581         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
 582         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
 583 }
 584
 585 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 586 {
 587         r600_store_config_reg_seq(cb, reg, 1);
 588         r600_store_value(cb, value);
 589 }
 590
 591 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 592 {
 593         r600_store_context_reg_seq(cb, reg, 1);
 594         r600_store_value(cb, value);
 595 }
 596
 597 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 598 {
 599         r600_store_ctl_const_seq(cb, reg, 1);
 600         r600_store_value(cb, value);
 601 }
 602
 603 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 604 {
 605         r600_store_loop_const_seq(cb, reg, 1);
 606         r600_store_value(cb, value);
 607 }
 608
 609 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
 610 {
 611         eg_store_loop_const_seq(cb, reg, 1);
 612         r600_store_value(cb, value);
 613 }
 614
 615 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
 616 void r600_release_command_buffer(struct r600_command_buffer *cb);
 617
 618 /*
 619  * Helpers for emitting state into a command stream directly.
 620  */
 621
 622 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
 623                                              enum radeon_bo_usage usage)
 624 {
 625         assert(usage);
 626         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
 627 }
 628
 629 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
 630 {
 631         cs->buf[cs->cdw++] = value;
 632 }
 633
 634 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 635 {
 636         assert(reg < R600_CONTEXT_REG_OFFSET);
 637         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 638         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
 639         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
 640 }
 641
 642 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 643 {
 644         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
 645         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 646         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
 647         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
 648 }
 649
 650 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
 651 {
 652         assert(reg >= R600_CTL_CONST_OFFSET);
 653         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
 654         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
 655         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
 656 }
 657
 658 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 659 {
 660         r600_write_config_reg_seq(cs, reg, 1);
 661         r600_write_value(cs, value);
 662 }
 663
 664 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 665 {
 666         r600_write_context_reg_seq(cs, reg, 1);
 667         r600_write_value(cs, value);
 668 }
 669
 670 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
 671 {
 672         r600_write_ctl_const_seq(cs, reg, 1);
 673         r600_write_value(cs, value);
 674 }
 675
 676 /*
 677  * common helpers
 678  */
 679 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 680 {
 681         return value * (1 << frac_bits);
 682 }
 683 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 684
 685 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 686 {
 687         if (filter <= 1)   return 0;
 688         if (filter <= 2)   return 1;
 689         if (filter <= 4)   return 2;
 690         if (filter <= 8)   return 3;
 691          /* else */        return 4;
 692 }
 693
 694 /* 12.4 fixed-point */
 695 static INLINE unsigned r600_pack_float_12p4(float x)
 696 {
 697         return x <= 0    ? 0 :
 698                x >= 4096 ? 0xffff : x * 16;
 699 }
 700
 701 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
 702 {
 703         struct r600_screen *rscreen = (struct r600_screen*)screen;
 704         struct r600_resource *rresource = (struct r600_resource*)resource;
 705
 706         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
 707 }
 708
 709 #endif