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 struct r600_atom_surface_sync {
  71         struct r600_atom atom;
  72         unsigned flush_flags; /* CP_COHER_CNTL */
  73 };
  74
  75 enum r600_pipe_state_id {
  76         R600_PIPE_STATE_BLEND = 0,
  77         R600_PIPE_STATE_BLEND_COLOR,
  78         R600_PIPE_STATE_CONFIG,
  79         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
  80         R600_PIPE_STATE_CLIP,
  81         R600_PIPE_STATE_SCISSOR,
  82         R600_PIPE_STATE_VIEWPORT,
  83         R600_PIPE_STATE_RASTERIZER,
  84         R600_PIPE_STATE_VGT,
  85         R600_PIPE_STATE_FRAMEBUFFER,
  86         R600_PIPE_STATE_DSA,
  87         R600_PIPE_STATE_STENCIL_REF,
  88         R600_PIPE_STATE_PS_SHADER,
  89         R600_PIPE_STATE_VS_SHADER,
  90         R600_PIPE_STATE_CONSTANT,
  91         R600_PIPE_STATE_SAMPLER,
  92         R600_PIPE_STATE_RESOURCE,
  93         R600_PIPE_STATE_POLYGON_OFFSET,
  94         R600_PIPE_STATE_FETCH_SHADER,
  95         R600_PIPE_NSTATES
  96 };
  97
  98 struct r600_pipe_fences {
  99         struct r600_resource            *bo;
 100         unsigned                        *data;
 101         unsigned                        next_index;
 102         /* linked list of preallocated blocks */
 103         struct list_head                blocks;
 104         /* linked list of freed fences */
 105         struct list_head                pool;
 106         pipe_mutex                      mutex;
 107 };
 108
 109 struct r600_screen {
 110         struct pipe_screen              screen;
 111         struct radeon_winsys            *ws;
 112         unsigned                        family;
 113         enum chip_class                 chip_class;
 114         struct radeon_info              info;
 115         struct r600_tiling_info         tiling_info;
 116         struct util_slab_mempool        pool_buffers;
 117         struct r600_pipe_fences         fences;
 118
 119         unsigned                        num_contexts;
 120
 121         /* for thread-safe write accessing to num_contexts */
 122         pipe_mutex                      mutex_num_contexts;
 123 };
 124
 125 struct r600_pipe_sampler_view {
 126         struct pipe_sampler_view        base;
 127         struct r600_pipe_resource_state         state;
 128 };
 129
 130 struct r600_pipe_rasterizer {
 131         struct r600_pipe_state          rstate;
 132         boolean                         flatshade;
 133         boolean                         two_side;
 134         unsigned                        sprite_coord_enable;
 135         unsigned                        clip_plane_enable;
 136         unsigned                        pa_sc_line_stipple;
 137         unsigned                        pa_su_sc_mode_cntl;
 138         unsigned                        pa_cl_clip_cntl;
 139         float                           offset_units;
 140         float                           offset_scale;
 141 };
 142
 143 struct r600_pipe_blend {
 144         struct r600_pipe_state          rstate;
 145         unsigned                        cb_target_mask;
 146         unsigned                        cb_color_control;
 147 };
 148
 149 struct r600_pipe_dsa {
 150         struct r600_pipe_state          rstate;
 151         unsigned                        alpha_ref;
 152         unsigned                        db_render_override;
 153         unsigned                        db_render_control;
 154         ubyte                           valuemask[2];
 155         ubyte                           writemask[2];
 156 };
 157
 158 struct r600_vertex_element
 159 {
 160         unsigned                        count;
 161         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 162         struct u_vbuf_elements          *vmgr_elements;
 163         struct r600_resource            *fetch_shader;
 164         unsigned                        fs_size;
 165         struct r600_pipe_state          rstate;
 166         /* if offset is to big for fetch instructio we need to alterate
 167          * offset of vertex buffer, record here the offset need to add
 168          */
 169         unsigned                        vbuffer_need_offset;
 170         unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
 171 };
 172
 173 struct r600_pipe_shader {
 174         struct r600_shader              shader;
 175         struct r600_pipe_state          rstate;
 176         struct r600_resource            *bo;
 177         struct r600_resource            *bo_fetch;
 178         struct r600_vertex_element      vertex_elements;
 179         struct tgsi_token               *tokens;
 180         unsigned        sprite_coord_enable;
 181         unsigned        flatshade;
 182         unsigned        pa_cl_vs_out_cntl;
 183         struct pipe_stream_output_info  so;
 184 };
 185
 186 struct r600_pipe_sampler_state {
 187         struct r600_pipe_state          rstate;
 188         boolean seamless_cube_map;
 189 };
 190
 191 /* needed for blitter save */
 192 #define NUM_TEX_UNITS 16
 193
 194 struct r600_textures_info {
 195         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
 196         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
 197         unsigned                        n_views;
 198         unsigned                        n_samplers;
 199         bool                            samplers_dirty;
 200         bool                            is_array_sampler[NUM_TEX_UNITS];
 201 };
 202
 203 struct r600_fence {
 204         struct pipe_reference           reference;
 205         unsigned                        index; /* in the shared bo */
 206         struct list_head                head;
 207 };
 208
 209 #define FENCE_BLOCK_SIZE 16
 210
 211 struct r600_fence_block {
 212         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 213         struct list_head                head;
 214 };
 215
 216 #define R600_CONSTANT_ARRAY_SIZE 256
 217 #define R600_RESOURCE_ARRAY_SIZE 160
 218
 219 struct r600_stencil_ref
 220 {
 221         ubyte ref_value[2];
 222         ubyte valuemask[2];
 223         ubyte writemask[2];
 224 };
 225
 226 struct r600_context {
 227         struct pipe_context             context;
 228         struct blitter_context          *blitter;
 229         enum radeon_family              family;
 230         enum chip_class                 chip_class;
 231         unsigned                        r6xx_num_clause_temp_gprs;
 232         void                            *custom_dsa_flush;
 233         struct r600_screen              *screen;
 234         struct radeon_winsys            *ws;
 235         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 236         struct r600_vertex_element      *vertex_elements;
 237         struct r600_pipe_resource_state fs_resource[PIPE_MAX_ATTRIBS];
 238         struct pipe_framebuffer_state   framebuffer;
 239         unsigned                        cb_target_mask;
 240         unsigned                        cb_color_control;
 241         unsigned                        pa_sc_line_stipple;
 242         unsigned                        pa_su_sc_mode_cntl;
 243         unsigned                        pa_cl_clip_cntl;
 244         /* for saving when using blitter */
 245         struct pipe_stencil_ref         stencil_ref;
 246         struct pipe_viewport_state      viewport;
 247         struct pipe_clip_state          clip;
 248         struct r600_pipe_state          config;
 249         struct r600_pipe_shader         *ps_shader;
 250         struct r600_pipe_shader         *vs_shader;
 251         struct r600_pipe_state          vs_const_buffer;
 252         struct r600_pipe_resource_state         vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 253         struct r600_pipe_state          ps_const_buffer;
 254         struct r600_pipe_resource_state         ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 255         struct r600_pipe_rasterizer     *rasterizer;
 256         struct r600_pipe_state          vgt;
 257         struct r600_pipe_state          spi;
 258         struct pipe_query               *current_render_cond;
 259         unsigned                        current_render_cond_mode;
 260         struct pipe_query               *saved_render_cond;
 261         unsigned                        saved_render_cond_mode;
 262         /* shader information */
 263         boolean                         two_side;
 264         unsigned                        sprite_coord_enable;
 265         boolean                         export_16bpc;
 266         unsigned                        alpha_ref;
 267         boolean                         alpha_ref_dirty;
 268         unsigned                        nr_cbufs;
 269         struct r600_textures_info       vs_samplers;
 270         struct r600_textures_info       ps_samplers;
 271
 272         struct u_vbuf                   *vbuf_mgr;
 273         struct util_slab_mempool        pool_transfers;
 274         boolean                         have_depth_texture, have_depth_fb;
 275
 276         unsigned default_ps_gprs, default_vs_gprs;
 277
 278         /* States based on r600_state. */
 279         struct list_head                dirty_states;
 280         struct r600_atom_surface_sync   atom_surface_sync;
 281         struct r600_atom                atom_r6xx_flush_and_inv;
 282
 283         /* Below are variables from the old r600_context.
 284          */
 285         struct radeon_winsys_cs *cs;
 286
 287         struct r600_range       *range;
 288         unsigned                nblocks;
 289         struct r600_block       **blocks;
 290         struct list_head        dirty;
 291         struct list_head        resource_dirty;
 292         struct list_head        enable_list;
 293         unsigned                pm4_dirty_cdwords;
 294         unsigned                ctx_pm4_ndwords;
 295         unsigned                init_dwords;
 296
 297         /* The list of active queries. Only one query of each type can be active. */
 298         struct list_head        active_query_list;
 299         unsigned                num_cs_dw_queries_suspend;
 300         unsigned                num_cs_dw_streamout_end;
 301
 302         unsigned                backend_mask;
 303         unsigned                max_db; /* for OQ */
 304         unsigned                flags;
 305         boolean                 predicate_drawing;
 306         struct r600_range       ps_resources;
 307         struct r600_range       vs_resources;
 308         struct r600_range       fs_resources;
 309         int                     num_ps_resources, num_vs_resources, num_fs_resources;
 310
 311         unsigned                num_so_targets;
 312         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
 313         boolean                 streamout_start;
 314         unsigned                streamout_append_bitmask;
 315         unsigned                *vs_so_stride_in_dw;
 316 };
 317
 318 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
 319 {
 320         atom->emit(rctx, atom);
 321         atom->dirty = false;
 322         if (atom->head.next && atom->head.prev)
 323                 LIST_DELINIT(&atom->head);
 324 }
 325
 326 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
 327 {
 328         if (!state->dirty) {
 329                 if (state->flags & EMIT_EARLY) {
 330                         LIST_ADD(&state->head, &rctx->dirty_states);
 331                 } else {
 332                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
 333                 }
 334                 state->dirty = true;
 335         }
 336 }
 337
 338 /* evergreen_state.c */
 339 void evergreen_init_state_functions(struct r600_context *rctx);
 340 void evergreen_init_config(struct r600_context *rctx);
 341 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 342 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 343 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 344 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 345 void evergreen_polygon_offset_update(struct r600_context *rctx);
 346 void evergreen_pipe_init_buffer_resource(struct r600_context *rctx,
 347                                          struct r600_pipe_resource_state *rstate);
 348 void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
 349                                         struct r600_pipe_resource_state *rstate,
 350                                         struct r600_resource *rbuffer,
 351                                         unsigned offset, unsigned stride,
 352                                         enum radeon_bo_usage usage);
 353 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 354                                       enum pipe_format format,
 355                                       enum pipe_texture_target target,
 356                                       unsigned sample_count,
 357                                       unsigned usage);
 358
 359 /* r600_blit.c */
 360 void r600_init_blit_functions(struct r600_context *rctx);
 361 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 362 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 363 void r600_flush_depth_textures(struct r600_context *rctx);
 364
 365 /* r600_buffer.c */
 366 bool r600_init_resource(struct r600_screen *rscreen,
 367                         struct r600_resource *res,
 368                         unsigned size, unsigned alignment,
 369                         unsigned bind, unsigned usage);
 370 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 371                                          const struct pipe_resource *templ);
 372 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 373                                               void *ptr, unsigned bytes,
 374                                               unsigned bind);
 375 void r600_upload_index_buffer(struct r600_context *rctx,
 376                               struct pipe_index_buffer *ib, unsigned count);
 377
 378
 379 /* r600_pipe.c */
 380 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 381                 unsigned flags);
 382
 383 /* r600_query.c */
 384 void r600_init_query_functions(struct r600_context *rctx);
 385
 386 /* r600_resource.c */
 387 void r600_init_context_resource_functions(struct r600_context *r600);
 388
 389 /* r600_shader.c */
 390 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 391 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 392 int r600_find_vs_semantic_index(struct r600_shader *vs,
 393                                 struct r600_shader *ps, int id);
 394
 395 /* r600_state.c */
 396 void r600_update_sampler_states(struct r600_context *rctx);
 397 void r600_init_state_functions(struct r600_context *rctx);
 398 void r600_init_config(struct r600_context *rctx);
 399 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 400 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 401 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 402 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 403 void r600_polygon_offset_update(struct r600_context *rctx);
 404 void r600_pipe_init_buffer_resource(struct r600_context *rctx,
 405                                     struct r600_pipe_resource_state *rstate);
 406 void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 407                                    struct r600_resource *rbuffer,
 408                                    unsigned offset, unsigned stride,
 409                                    enum radeon_bo_usage usage);
 410 void r600_adjust_gprs(struct r600_context *rctx);
 411 boolean r600_is_format_supported(struct pipe_screen *screen,
 412                                  enum pipe_format format,
 413                                  enum pipe_texture_target target,
 414                                  unsigned sample_count,
 415                                  unsigned usage);
 416
 417 /* r600_texture.c */
 418 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 419 void r600_init_surface_functions(struct r600_context *r600);
 420 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 421                                   const unsigned char *swizzle_view,
 422                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 423 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 424                                         unsigned level, unsigned layer);
 425
 426 /* r600_translate.c */
 427 void r600_translate_index_buffer(struct r600_context *r600,
 428                                  struct pipe_index_buffer *ib,
 429                                  unsigned count);
 430
 431 /* r600_state_common.c */
 432 void r600_init_common_atoms(struct r600_context *rctx);
 433 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
 434 void r600_texture_barrier(struct pipe_context *ctx);
 435 void r600_set_index_buffer(struct pipe_context *ctx,
 436                            const struct pipe_index_buffer *ib);
 437 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 438                              const struct pipe_vertex_buffer *buffers);
 439 void *r600_create_vertex_elements(struct pipe_context *ctx,
 440                                   unsigned count,
 441                                   const struct pipe_vertex_element *elements);
 442 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 443 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 444 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 445 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 446 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 447 void r600_sampler_view_destroy(struct pipe_context *ctx,
 448                                struct pipe_sampler_view *state);
 449 void r600_delete_state(struct pipe_context *ctx, void *state);
 450 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 451 void *r600_create_shader_state(struct pipe_context *ctx,
 452                                const struct pipe_shader_state *state);
 453 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 454 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 455 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 456 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 457 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 458                               struct pipe_resource *buffer);
 459 struct pipe_stream_output_target *
 460 r600_create_so_target(struct pipe_context *ctx,
 461                       struct pipe_resource *buffer,
 462                       unsigned buffer_offset,
 463                       unsigned buffer_size);
 464 void r600_so_target_destroy(struct pipe_context *ctx,
 465                             struct pipe_stream_output_target *target);
 466 void r600_set_so_targets(struct pipe_context *ctx,
 467                          unsigned num_targets,
 468                          struct pipe_stream_output_target **targets,
 469                          unsigned append_bitmask);
 470 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 471                                const struct pipe_stencil_ref *state);
 472 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 473
 474 /*
 475  * common helpers
 476  */
 477 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 478 {
 479         return value * (1 << frac_bits);
 480 }
 481 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 482
 483 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 484 {
 485         if (filter <= 1)   return 0;
 486         if (filter <= 2)   return 1;
 487         if (filter <= 4)   return 2;
 488         if (filter <= 8)   return 3;
 489          /* else */        return 4;
 490 }
 491
 492 /* 12.4 fixed-point */
 493 static INLINE unsigned r600_pack_float_12p4(float x)
 494 {
 495         return x <= 0    ? 0 :
 496                x >= 4096 ? 0xffff : x * 16;
 497 }
 498
 499 #endif