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         unsigned                        use_surface;
 121
 122         /* for thread-safe write accessing to num_contexts */
 123         pipe_mutex                      mutex_num_contexts;
 124 };
 125
 126 struct r600_pipe_sampler_view {
 127         struct pipe_sampler_view        base;
 128         struct r600_pipe_resource_state         state;
 129 };
 130
 131 struct r600_pipe_rasterizer {
 132         struct r600_pipe_state          rstate;
 133         boolean                         flatshade;
 134         boolean                         two_side;
 135         unsigned                        sprite_coord_enable;
 136         unsigned                        clip_plane_enable;
 137         unsigned                        pa_sc_line_stipple;
 138         unsigned                        pa_su_sc_mode_cntl;
 139         unsigned                        pa_cl_clip_cntl;
 140         float                           offset_units;
 141         float                           offset_scale;
 142 };
 143
 144 struct r600_pipe_blend {
 145         struct r600_pipe_state          rstate;
 146         unsigned                        cb_target_mask;
 147         unsigned                        cb_color_control;
 148 };
 149
 150 struct r600_pipe_dsa {
 151         struct r600_pipe_state          rstate;
 152         unsigned                        alpha_ref;
 153         unsigned                        db_render_override;
 154         unsigned                        db_render_control;
 155         ubyte                           valuemask[2];
 156         ubyte                           writemask[2];
 157 };
 158
 159 struct r600_vertex_element
 160 {
 161         unsigned                        count;
 162         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
 163         struct u_vbuf_elements          *vmgr_elements;
 164         struct r600_resource            *fetch_shader;
 165         unsigned                        fs_size;
 166         struct r600_pipe_state          rstate;
 167         /* if offset is to big for fetch instructio we need to alterate
 168          * offset of vertex buffer, record here the offset need to add
 169          */
 170         unsigned                        vbuffer_need_offset;
 171         unsigned                        vbuffer_offset[PIPE_MAX_ATTRIBS];
 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 list_head                head;
 208 };
 209
 210 #define FENCE_BLOCK_SIZE 16
 211
 212 struct r600_fence_block {
 213         struct r600_fence               fences[FENCE_BLOCK_SIZE];
 214         struct list_head                head;
 215 };
 216
 217 #define R600_CONSTANT_ARRAY_SIZE 256
 218 #define R600_RESOURCE_ARRAY_SIZE 160
 219
 220 struct r600_stencil_ref
 221 {
 222         ubyte ref_value[2];
 223         ubyte valuemask[2];
 224         ubyte writemask[2];
 225 };
 226
 227 struct r600_context {
 228         struct pipe_context             context;
 229         struct blitter_context          *blitter;
 230         enum radeon_family              family;
 231         enum chip_class                 chip_class;
 232         unsigned                        r6xx_num_clause_temp_gprs;
 233         void                            *custom_dsa_flush;
 234         struct r600_screen              *screen;
 235         struct radeon_winsys            *ws;
 236         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
 237         struct r600_vertex_element      *vertex_elements;
 238         struct r600_pipe_resource_state fs_resource[PIPE_MAX_ATTRIBS];
 239         struct pipe_framebuffer_state   framebuffer;
 240         unsigned                        cb_target_mask;
 241         unsigned                        cb_color_control;
 242         unsigned                        pa_sc_line_stipple;
 243         unsigned                        pa_su_sc_mode_cntl;
 244         unsigned                        pa_cl_clip_cntl;
 245         /* for saving when using blitter */
 246         struct pipe_stencil_ref         stencil_ref;
 247         struct pipe_viewport_state      viewport;
 248         struct pipe_clip_state          clip;
 249         struct r600_pipe_state          config;
 250         struct r600_pipe_shader         *ps_shader;
 251         struct r600_pipe_shader         *vs_shader;
 252         struct r600_pipe_state          vs_const_buffer;
 253         struct r600_pipe_resource_state         vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 254         struct r600_pipe_state          ps_const_buffer;
 255         struct r600_pipe_resource_state         ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
 256         struct r600_pipe_rasterizer     *rasterizer;
 257         struct r600_pipe_state          vgt;
 258         struct r600_pipe_state          spi;
 259         struct pipe_query               *current_render_cond;
 260         unsigned                        current_render_cond_mode;
 261         struct pipe_query               *saved_render_cond;
 262         unsigned                        saved_render_cond_mode;
 263         /* shader information */
 264         boolean                         two_side;
 265         unsigned                        sprite_coord_enable;
 266         boolean                         export_16bpc;
 267         unsigned                        alpha_ref;
 268         boolean                         alpha_ref_dirty;
 269         unsigned                        nr_cbufs;
 270         struct r600_textures_info       vs_samplers;
 271         struct r600_textures_info       ps_samplers;
 272
 273         struct u_vbuf                   *vbuf_mgr;
 274         struct util_slab_mempool        pool_transfers;
 275         boolean                         have_depth_texture, have_depth_fb;
 276
 277         unsigned default_ps_gprs, default_vs_gprs;
 278
 279         /* States based on r600_state. */
 280         struct list_head                dirty_states;
 281         struct r600_atom_surface_sync   atom_surface_sync;
 282         struct r600_atom                atom_r6xx_flush_and_inv;
 283
 284         /* Below are variables from the old r600_context.
 285          */
 286         struct radeon_winsys_cs *cs;
 287
 288         struct r600_range       *range;
 289         unsigned                nblocks;
 290         struct r600_block       **blocks;
 291         struct list_head        dirty;
 292         struct list_head        resource_dirty;
 293         struct list_head        enable_list;
 294         unsigned                pm4_dirty_cdwords;
 295         unsigned                ctx_pm4_ndwords;
 296         unsigned                init_dwords;
 297
 298         /* The list of active queries. Only one query of each type can be active. */
 299         struct list_head        active_query_list;
 300         unsigned                num_cs_dw_queries_suspend;
 301         unsigned                num_cs_dw_streamout_end;
 302
 303         unsigned                backend_mask;
 304         unsigned                max_db; /* for OQ */
 305         unsigned                flags;
 306         boolean                 predicate_drawing;
 307         struct r600_range       ps_resources;
 308         struct r600_range       vs_resources;
 309         struct r600_range       fs_resources;
 310         int                     num_ps_resources, num_vs_resources, num_fs_resources;
 311
 312         unsigned                num_so_targets;
 313         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
 314         boolean                 streamout_start;
 315         unsigned                streamout_append_bitmask;
 316         unsigned                *vs_so_stride_in_dw;
 317 };
 318
 319 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
 320 {
 321         atom->emit(rctx, atom);
 322         atom->dirty = false;
 323         if (atom->head.next && atom->head.prev)
 324                 LIST_DELINIT(&atom->head);
 325 }
 326
 327 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
 328 {
 329         if (!state->dirty) {
 330                 if (state->flags & EMIT_EARLY) {
 331                         LIST_ADD(&state->head, &rctx->dirty_states);
 332                 } else {
 333                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
 334                 }
 335                 state->dirty = true;
 336         }
 337 }
 338
 339 /* evergreen_state.c */
 340 void evergreen_init_state_functions(struct r600_context *rctx);
 341 void evergreen_init_config(struct r600_context *rctx);
 342 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 343 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 344 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 345 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
 346 void evergreen_polygon_offset_update(struct r600_context *rctx);
 347 void evergreen_pipe_init_buffer_resource(struct r600_context *rctx,
 348                                          struct r600_pipe_resource_state *rstate);
 349 void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
 350                                         struct r600_pipe_resource_state *rstate,
 351                                         struct r600_resource *rbuffer,
 352                                         unsigned offset, unsigned stride,
 353                                         enum radeon_bo_usage usage);
 354 boolean evergreen_is_format_supported(struct pipe_screen *screen,
 355                                       enum pipe_format format,
 356                                       enum pipe_texture_target target,
 357                                       unsigned sample_count,
 358                                       unsigned usage);
 359
 360 /* r600_blit.c */
 361 void r600_init_blit_functions(struct r600_context *rctx);
 362 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 363 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
 364 void r600_flush_depth_textures(struct r600_context *rctx);
 365
 366 /* r600_buffer.c */
 367 bool r600_init_resource(struct r600_screen *rscreen,
 368                         struct r600_resource *res,
 369                         unsigned size, unsigned alignment,
 370                         unsigned bind, unsigned usage);
 371 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
 372                                          const struct pipe_resource *templ);
 373 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
 374                                               void *ptr, unsigned bytes,
 375                                               unsigned bind);
 376 void r600_upload_index_buffer(struct r600_context *rctx,
 377                               struct pipe_index_buffer *ib, unsigned count);
 378
 379
 380 /* r600_pipe.c */
 381 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 382                 unsigned flags);
 383
 384 /* r600_query.c */
 385 void r600_init_query_functions(struct r600_context *rctx);
 386
 387 /* r600_resource.c */
 388 void r600_init_context_resource_functions(struct r600_context *r600);
 389
 390 /* r600_shader.c */
 391 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 392 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 393 int r600_find_vs_semantic_index(struct r600_shader *vs,
 394                                 struct r600_shader *ps, int id);
 395
 396 /* r600_state.c */
 397 void r600_update_sampler_states(struct r600_context *rctx);
 398 void r600_init_state_functions(struct r600_context *rctx);
 399 void r600_init_config(struct r600_context *rctx);
 400 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 401 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 402 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
 403 void *r600_create_db_flush_dsa(struct r600_context *rctx);
 404 void r600_polygon_offset_update(struct r600_context *rctx);
 405 void r600_pipe_init_buffer_resource(struct r600_context *rctx,
 406                                     struct r600_pipe_resource_state *rstate);
 407 void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
 408                                    struct r600_resource *rbuffer,
 409                                    unsigned offset, unsigned stride,
 410                                    enum radeon_bo_usage usage);
 411 void r600_adjust_gprs(struct r600_context *rctx);
 412 boolean r600_is_format_supported(struct pipe_screen *screen,
 413                                  enum pipe_format format,
 414                                  enum pipe_texture_target target,
 415                                  unsigned sample_count,
 416                                  unsigned usage);
 417
 418 /* r600_texture.c */
 419 void r600_init_screen_texture_functions(struct pipe_screen *screen);
 420 void r600_init_surface_functions(struct r600_context *r600);
 421 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
 422                                   const unsigned char *swizzle_view,
 423                                   uint32_t *word4_p, uint32_t *yuv_format_p);
 424 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
 425                                         unsigned level, unsigned layer);
 426
 427 /* r600_translate.c */
 428 void r600_translate_index_buffer(struct r600_context *r600,
 429                                  struct pipe_index_buffer *ib,
 430                                  unsigned count);
 431
 432 /* r600_state_common.c */
 433 void r600_init_common_atoms(struct r600_context *rctx);
 434 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
 435 void r600_texture_barrier(struct pipe_context *ctx);
 436 void r600_set_index_buffer(struct pipe_context *ctx,
 437                            const struct pipe_index_buffer *ib);
 438 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 439                              const struct pipe_vertex_buffer *buffers);
 440 void *r600_create_vertex_elements(struct pipe_context *ctx,
 441                                   unsigned count,
 442                                   const struct pipe_vertex_element *elements);
 443 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
 444 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
 445 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
 446 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
 447 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
 448 void r600_sampler_view_destroy(struct pipe_context *ctx,
 449                                struct pipe_sampler_view *state);
 450 void r600_delete_state(struct pipe_context *ctx, void *state);
 451 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
 452 void *r600_create_shader_state(struct pipe_context *ctx,
 453                                const struct pipe_shader_state *state);
 454 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 455 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 456 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 457 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
 458 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
 459                               struct pipe_resource *buffer);
 460 struct pipe_stream_output_target *
 461 r600_create_so_target(struct pipe_context *ctx,
 462                       struct pipe_resource *buffer,
 463                       unsigned buffer_offset,
 464                       unsigned buffer_size);
 465 void r600_so_target_destroy(struct pipe_context *ctx,
 466                             struct pipe_stream_output_target *target);
 467 void r600_set_so_targets(struct pipe_context *ctx,
 468                          unsigned num_targets,
 469                          struct pipe_stream_output_target **targets,
 470                          unsigned append_bitmask);
 471 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
 472                                const struct pipe_stencil_ref *state);
 473 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 474 uint32_t r600_translate_stencil_op(int s_op);
 475 uint32_t r600_translate_fill(uint32_t func);
 476 unsigned r600_tex_wrap(unsigned wrap);
 477 unsigned r600_tex_filter(unsigned filter);
 478 unsigned r600_tex_mipfilter(unsigned filter);
 479 unsigned r600_tex_compare(unsigned compare);
 480
 481 /*
 482  * common helpers
 483  */
 484 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 485 {
 486         return value * (1 << frac_bits);
 487 }
 488 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 489
 490 static inline unsigned r600_tex_aniso_filter(unsigned filter)
 491 {
 492         if (filter <= 1)   return 0;
 493         if (filter <= 2)   return 1;
 494         if (filter <= 4)   return 2;
 495         if (filter <= 8)   return 3;
 496          /* else */        return 4;
 497 }
 498
 499 /* 12.4 fixed-point */
 500 static INLINE unsigned r600_pack_float_12p4(float x)
 501 {
 502         return x <= 0    ? 0 :
 503                x >= 4096 ? 0xffff : x * 16;
 504 }
 505
 506 #endif