src/gallium/drivers/ilo/ilo_gpe.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #ifndef ILO_GPE_H
  29 #define ILO_GPE_H
  30
  31 #include "ilo_common.h"
  32
  33 /**
  34  * \see brw_context.h
  35  */
  36 #define ILO_MAX_DRAW_BUFFERS    8
  37 #define ILO_MAX_CONST_BUFFERS   (1 + 12)
  38 #define ILO_MAX_SAMPLER_VIEWS   16
  39 #define ILO_MAX_SAMPLERS        16
  40 #define ILO_MAX_SO_BINDINGS     64
  41 #define ILO_MAX_SO_BUFFERS      4
  42 #define ILO_MAX_VIEWPORTS       1
  43
  44 #define ILO_MAX_VS_SURFACES        (ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
  45 #define ILO_VS_CONST_SURFACE(i)    (i)
  46 #define ILO_VS_TEXTURE_SURFACE(i)  (ILO_MAX_CONST_BUFFERS  + i)
  47
  48 #define ILO_MAX_GS_SURFACES        (ILO_MAX_SO_BINDINGS)
  49 #define ILO_GS_SO_SURFACE(i)       (i)
  50
  51 #define ILO_MAX_WM_SURFACES        (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
  52 #define ILO_WM_DRAW_SURFACE(i)     (i)
  53 #define ILO_WM_CONST_SURFACE(i)    (ILO_MAX_DRAW_BUFFERS + i)
  54 #define ILO_WM_TEXTURE_SURFACE(i)  (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS  + i)
  55
  56 #define ILO_GPE_VALID_GEN(dev, min_gen, max_gen) \
  57    assert((dev)->gen >= ILO_GEN(min_gen) && (dev)->gen <= ILO_GEN(max_gen))
  58
  59 struct ilo_buffer;
  60 struct ilo_texture;
  61 struct ilo_shader_state;
  62
  63 struct ilo_vb_state {
  64    struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
  65    uint32_t enabled_mask;
  66 };
  67
  68 struct ilo_ib_state {
  69    struct pipe_resource *buffer;
  70    const void *user_buffer;
  71    unsigned offset;
  72    unsigned index_size;
  73
  74    /* these are not valid until the state is finalized */
  75    struct pipe_resource *hw_resource;
  76    unsigned hw_index_size;
  77    /* an offset to be added to pipe_draw_info::start */
  78    int64_t draw_start_offset;
  79 };
  80
  81 struct ilo_ve_cso {
  82    /* VERTEX_ELEMENT_STATE */
  83    uint32_t payload[2];
  84 };
  85
  86 struct ilo_ve_state {
  87    struct ilo_ve_cso cso[PIPE_MAX_ATTRIBS];
  88    unsigned count;
  89
  90    unsigned instance_divisors[PIPE_MAX_ATTRIBS];
  91    unsigned vb_mapping[PIPE_MAX_ATTRIBS];
  92    unsigned vb_count;
  93 };
  94
  95 struct ilo_so_state {
  96    struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
  97    unsigned count;
  98    unsigned append_bitmask;
  99
 100    bool enabled;
 101 };
 102
 103 struct ilo_viewport_cso {
 104    /* matrix form */
 105    float m00, m11, m22, m30, m31, m32;
 106
 107    /* guardband in NDC space */
 108    float min_gbx, min_gby, max_gbx, max_gby;
 109
 110    /* viewport in screen space */
 111    float min_x, min_y, min_z;
 112    float max_x, max_y, max_z;
 113 };
 114
 115 struct ilo_viewport_state {
 116    struct ilo_viewport_cso cso[ILO_MAX_VIEWPORTS];
 117    unsigned count;
 118
 119    struct pipe_viewport_state viewport0;
 120 };
 121
 122 struct ilo_scissor_state {
 123    /* SCISSOR_RECT */
 124    uint32_t payload[ILO_MAX_VIEWPORTS * 2];
 125
 126    struct pipe_scissor_state scissor0;
 127 };
 128
 129 struct ilo_rasterizer_clip {
 130    /* 3DSTATE_CLIP */
 131    uint32_t payload[3];
 132
 133    uint32_t can_enable_guardband;
 134 };
 135
 136 struct ilo_rasterizer_sf {
 137    /* 3DSTATE_SF */
 138    uint32_t payload[6];
 139    uint32_t dw_msaa;
 140 };
 141
 142 struct ilo_rasterizer_wm {
 143    /* 3DSTATE_WM */
 144    uint32_t payload[2];
 145    uint32_t dw_msaa_rast;
 146    uint32_t dw_msaa_disp;
 147 };
 148
 149 struct ilo_rasterizer_state {
 150    struct pipe_rasterizer_state state;
 151
 152    struct ilo_rasterizer_clip clip;
 153    struct ilo_rasterizer_sf sf;
 154    struct ilo_rasterizer_wm wm;
 155 };
 156
 157 struct ilo_dsa_state {
 158    /* DEPTH_STENCIL_STATE */
 159    uint32_t payload[3];
 160
 161    uint32_t dw_alpha;
 162    ubyte alpha_ref;
 163 };
 164
 165 struct ilo_blend_cso {
 166    /* BLEND_STATE */
 167    uint32_t payload[2];
 168
 169    uint32_t dw_blend;
 170    uint32_t dw_blend_dst_alpha_forced_one;
 171
 172    uint32_t dw_logicop;
 173    uint32_t dw_alpha_mod;
 174 };
 175
 176 struct ilo_blend_state {
 177    struct ilo_blend_cso cso[ILO_MAX_DRAW_BUFFERS];
 178
 179    bool independent_blend_enable;
 180    bool dual_blend;
 181    bool alpha_to_coverage;
 182 };
 183
 184 struct ilo_sampler_cso {
 185    /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
 186    uint32_t payload[15];
 187
 188    uint32_t dw_filter;
 189    uint32_t dw_filter_aniso;
 190    uint32_t dw_wrap;
 191    uint32_t dw_wrap_1d;
 192    uint32_t dw_wrap_cube;
 193
 194    bool anisotropic;
 195    bool saturate_r;
 196    bool saturate_s;
 197    bool saturate_t;
 198 };
 199
 200 struct ilo_sampler_state {
 201    const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
 202    unsigned count;
 203 };
 204
 205 struct ilo_view_surface {
 206    /* SURFACE_STATE */
 207    uint32_t payload[8];
 208    struct intel_bo *bo;
 209 };
 210
 211 struct ilo_view_cso {
 212    struct pipe_sampler_view base;
 213
 214    struct ilo_view_surface surface;
 215 };
 216
 217 struct ilo_view_state {
 218    struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
 219    unsigned count;
 220 };
 221
 222 struct ilo_cbuf_cso {
 223    struct pipe_resource *resource;
 224    struct ilo_view_surface surface;
 225
 226    /*
 227     * this CSO is not so constant because user buffer needs to be uploaded in
 228     * finalize_constant_buffers()
 229     */
 230    const void *user_buffer;
 231    unsigned user_buffer_size;
 232 };
 233
 234 struct ilo_cbuf_state {
 235    struct ilo_cbuf_cso cso[ILO_MAX_CONST_BUFFERS];
 236    uint32_t enabled_mask;
 237 };
 238
 239 struct ilo_resource_state {
 240    struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
 241    unsigned count;
 242 };
 243
 244 struct ilo_surface_cso {
 245    struct pipe_surface base;
 246
 247    bool is_rt;
 248    union {
 249       struct ilo_view_surface rt;
 250       struct ilo_zs_surface {
 251          uint32_t payload[10];
 252          struct intel_bo *bo;
 253          struct intel_bo *hiz_bo;
 254          struct intel_bo *separate_s8_bo;
 255       } zs;
 256    } u;
 257 };
 258
 259 struct ilo_fb_state {
 260    struct pipe_framebuffer_state state;
 261
 262    struct ilo_zs_surface null_zs;
 263    unsigned num_samples;
 264 };
 265
 266 struct ilo_global_binding {
 267    /*
 268     * XXX These should not be treated as real resources (and there could be
 269     * thousands of them).  They should be treated as regions in GLOBAL
 270     * resource, which is the only real resource.
 271     *
 272     * That is, a resource here should instead be
 273     *
 274     *   struct ilo_global_region {
 275     *     struct pipe_resource base;
 276     *     int offset;
 277     *     int size;
 278     *   };
 279     *
 280     * and it describes the region [offset, offset + size) in GLOBAL
 281     * resource.
 282     */
 283    struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
 284    uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
 285    unsigned count;
 286 };
 287
 288 struct ilo_shader_cso {
 289    uint32_t payload[5];
 290 };
 291
 292 void
 293 ilo_gpe_init_ve(const struct ilo_dev_info *dev,
 294                 unsigned num_states,
 295                 const struct pipe_vertex_element *states,
 296                 struct ilo_ve_state *ve);
 297
 298 void
 299 ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
 300                          const struct pipe_viewport_state *state,
 301                          struct ilo_viewport_cso *vp);
 302
 303 void
 304 ilo_gpe_set_scissor(const struct ilo_dev_info *dev,
 305                     unsigned start_slot,
 306                     unsigned num_states,
 307                     const struct pipe_scissor_state *states,
 308                     struct ilo_scissor_state *scissor);
 309
 310 void
 311 ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
 312                          struct ilo_scissor_state *scissor);
 313
 314 void
 315 ilo_gpe_init_rasterizer_clip(const struct ilo_dev_info *dev,
 316                              const struct pipe_rasterizer_state *state,
 317                              struct ilo_rasterizer_clip *clip);
 318
 319 void
 320 ilo_gpe_init_rasterizer_sf(const struct ilo_dev_info *dev,
 321                            const struct pipe_rasterizer_state *state,
 322                            struct ilo_rasterizer_sf *sf);
 323
 324 void
 325 ilo_gpe_init_rasterizer_wm_gen6(const struct ilo_dev_info *dev,
 326                                 const struct pipe_rasterizer_state *state,
 327                                 struct ilo_rasterizer_wm *wm);
 328
 329 void
 330 ilo_gpe_init_rasterizer_wm_gen7(const struct ilo_dev_info *dev,
 331                                 const struct pipe_rasterizer_state *state,
 332                                 struct ilo_rasterizer_wm *wm);
 333
 334 static inline void
 335 ilo_gpe_init_rasterizer(const struct ilo_dev_info *dev,
 336                         const struct pipe_rasterizer_state *state,
 337                         struct ilo_rasterizer_state *rasterizer)
 338 {
 339    ilo_gpe_init_rasterizer_clip(dev, state, &rasterizer->clip);
 340    ilo_gpe_init_rasterizer_sf(dev, state, &rasterizer->sf);
 341
 342    if (dev->gen >= ILO_GEN(7))
 343       ilo_gpe_init_rasterizer_wm_gen7(dev, state, &rasterizer->wm);
 344    else
 345       ilo_gpe_init_rasterizer_wm_gen6(dev, state, &rasterizer->wm);
 346 }
 347
 348 void
 349 ilo_gpe_init_dsa(const struct ilo_dev_info *dev,
 350                  const struct pipe_depth_stencil_alpha_state *state,
 351                  struct ilo_dsa_state *dsa);
 352
 353 void
 354 ilo_gpe_init_blend(const struct ilo_dev_info *dev,
 355                    const struct pipe_blend_state *state,
 356                    struct ilo_blend_state *blend);
 357
 358 void
 359 ilo_gpe_init_sampler_cso(const struct ilo_dev_info *dev,
 360                          const struct pipe_sampler_state *state,
 361                          struct ilo_sampler_cso *sampler);
 362
 363 void
 364 ilo_gpe_init_view_surface_null_gen6(const struct ilo_dev_info *dev,
 365                                     unsigned width, unsigned height,
 366                                     unsigned depth, unsigned level,
 367                                     struct ilo_view_surface *surf);
 368
 369 void
 370 ilo_gpe_init_view_surface_for_buffer_gen6(const struct ilo_dev_info *dev,
 371                                           const struct ilo_buffer *buf,
 372                                           unsigned offset, unsigned size,
 373                                           unsigned struct_size,
 374                                           enum pipe_format elem_format,
 375                                           bool is_rt, bool render_cache_rw,
 376                                           struct ilo_view_surface *surf);
 377
 378 void
 379 ilo_gpe_init_view_surface_for_texture_gen6(const struct ilo_dev_info *dev,
 380                                            const struct ilo_texture *tex,
 381                                            enum pipe_format format,
 382                                            unsigned first_level,
 383                                            unsigned num_levels,
 384                                            unsigned first_layer,
 385                                            unsigned num_layers,
 386                                            bool is_rt, bool render_cache_rw,
 387                                            struct ilo_view_surface *surf);
 388
 389 void
 390 ilo_gpe_init_view_surface_null_gen7(const struct ilo_dev_info *dev,
 391                                     unsigned width, unsigned height,
 392                                     unsigned depth, unsigned level,
 393                                     struct ilo_view_surface *surf);
 394
 395 void
 396 ilo_gpe_init_view_surface_for_buffer_gen7(const struct ilo_dev_info *dev,
 397                                           const struct ilo_buffer *buf,
 398                                           unsigned offset, unsigned size,
 399                                           unsigned struct_size,
 400                                           enum pipe_format elem_format,
 401                                           bool is_rt, bool render_cache_rw,
 402                                           struct ilo_view_surface *surf);
 403
 404 void
 405 ilo_gpe_init_view_surface_for_texture_gen7(const struct ilo_dev_info *dev,
 406                                            const struct ilo_texture *tex,
 407                                            enum pipe_format format,
 408                                            unsigned first_level,
 409                                            unsigned num_levels,
 410                                            unsigned first_layer,
 411                                            unsigned num_layers,
 412                                            bool is_rt, bool render_cache_rw,
 413                                            struct ilo_view_surface *surf);
 414
 415 static inline void
 416 ilo_gpe_init_view_surface_null(const struct ilo_dev_info *dev,
 417                                unsigned width, unsigned height,
 418                                unsigned depth, unsigned level,
 419                                struct ilo_view_surface *surf)
 420 {
 421    if (dev->gen >= ILO_GEN(7)) {
 422       ilo_gpe_init_view_surface_null_gen7(dev,
 423             width, height, depth, level, surf);
 424    }
 425    else {
 426       ilo_gpe_init_view_surface_null_gen6(dev,
 427             width, height, depth, level, surf);
 428    }
 429 }
 430
 431 static inline void
 432 ilo_gpe_init_view_surface_for_buffer(const struct ilo_dev_info *dev,
 433                                      const struct ilo_buffer *buf,
 434                                      unsigned offset, unsigned size,
 435                                      unsigned struct_size,
 436                                      enum pipe_format elem_format,
 437                                      bool is_rt, bool render_cache_rw,
 438                                      struct ilo_view_surface *surf)
 439 {
 440    if (dev->gen >= ILO_GEN(7)) {
 441       ilo_gpe_init_view_surface_for_buffer_gen7(dev, buf, offset, size,
 442             struct_size, elem_format, is_rt, render_cache_rw, surf);
 443    }
 444    else {
 445       ilo_gpe_init_view_surface_for_buffer_gen6(dev, buf, offset, size,
 446             struct_size, elem_format, is_rt, render_cache_rw, surf);
 447    }
 448 }
 449
 450 static inline void
 451 ilo_gpe_init_view_surface_for_texture(const struct ilo_dev_info *dev,
 452                                       const struct ilo_texture *tex,
 453                                       enum pipe_format format,
 454                                       unsigned first_level,
 455                                       unsigned num_levels,
 456                                       unsigned first_layer,
 457                                       unsigned num_layers,
 458                                       bool is_rt, bool render_cache_rw,
 459                                       struct ilo_view_surface *surf)
 460 {
 461    if (dev->gen >= ILO_GEN(7)) {
 462       ilo_gpe_init_view_surface_for_texture_gen7(dev, tex, format,
 463             first_level, num_levels, first_layer, num_layers,
 464             is_rt, render_cache_rw, surf);
 465    }
 466    else {
 467       ilo_gpe_init_view_surface_for_texture_gen6(dev, tex, format,
 468             first_level, num_levels, first_layer, num_layers,
 469             is_rt, render_cache_rw, surf);
 470    }
 471 }
 472
 473 static inline void
 474 ilo_gpe_set_view_surface_bo(const struct ilo_dev_info *dev,
 475                             struct intel_bo *bo, unsigned offset,
 476                             struct ilo_view_surface *surf)
 477 {
 478    ILO_GPE_VALID_GEN(dev, 6, 7);
 479
 480    /* do not increment reference count */
 481    surf->bo = bo;
 482    surf->payload[1] = offset;
 483 }
 484
 485 void
 486 ilo_gpe_init_zs_surface(const struct ilo_dev_info *dev,
 487                         const struct ilo_texture *tex,
 488                         enum pipe_format format,
 489                         unsigned level,
 490                         unsigned first_layer, unsigned num_layers,
 491                         struct ilo_zs_surface *zs);
 492
 493 void
 494 ilo_gpe_init_vs_cso(const struct ilo_dev_info *dev,
 495                     const struct ilo_shader_state *vs,
 496                     struct ilo_shader_cso *cso);
 497
 498 void
 499 ilo_gpe_init_gs_cso_gen6(const struct ilo_dev_info *dev,
 500                          const struct ilo_shader_state *gs,
 501                          struct ilo_shader_cso *cso);
 502
 503 void
 504 ilo_gpe_init_gs_cso_gen7(const struct ilo_dev_info *dev,
 505                          const struct ilo_shader_state *gs,
 506                          struct ilo_shader_cso *cso);
 507
 508 static inline void
 509 ilo_gpe_init_gs_cso(const struct ilo_dev_info *dev,
 510                     const struct ilo_shader_state *gs,
 511                     struct ilo_shader_cso *cso)
 512 {
 513    if (dev->gen >= ILO_GEN(7)) {
 514       ilo_gpe_init_gs_cso_gen7(dev, gs, cso);
 515    }
 516    else {
 517       ilo_gpe_init_gs_cso_gen6(dev, gs, cso);
 518    }
 519 }
 520
 521 void
 522 ilo_gpe_init_fs_cso_gen6(const struct ilo_dev_info *dev,
 523                          const struct ilo_shader_state *fs,
 524                          struct ilo_shader_cso *cso);
 525
 526 void
 527 ilo_gpe_init_fs_cso_gen7(const struct ilo_dev_info *dev,
 528                          const struct ilo_shader_state *fs,
 529                          struct ilo_shader_cso *cso);
 530
 531 static inline void
 532 ilo_gpe_init_fs_cso(const struct ilo_dev_info *dev,
 533                     const struct ilo_shader_state *fs,
 534                     struct ilo_shader_cso *cso)
 535 {
 536    if (dev->gen >= ILO_GEN(7)) {
 537       ilo_gpe_init_fs_cso_gen7(dev, fs, cso);
 538    }
 539    else {
 540       ilo_gpe_init_fs_cso_gen6(dev, fs, cso);
 541    }
 542 }
 543
 544 #endif /* ILO_GPE_H */