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 struct ilo_buffer;
  57 struct ilo_texture;
  58 struct ilo_shader_state;
  59
  60 struct ilo_vb_state {
  61    struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
  62    uint32_t enabled_mask;
  63 };
  64
  65 struct ilo_ib_state {
  66    struct pipe_resource *buffer;
  67    const void *user_buffer;
  68    unsigned offset;
  69    unsigned index_size;
  70
  71    /* these are not valid until the state is finalized */
  72    struct pipe_resource *hw_resource;
  73    unsigned hw_index_size;
  74    /* an offset to be added to pipe_draw_info::start */
  75    int64_t draw_start_offset;
  76 };
  77
  78 struct ilo_ve_cso {
  79    /* VERTEX_ELEMENT_STATE */
  80    uint32_t payload[2];
  81 };
  82
  83 struct ilo_ve_state {
  84    struct ilo_ve_cso cso[PIPE_MAX_ATTRIBS];
  85    unsigned count;
  86
  87    unsigned instance_divisors[PIPE_MAX_ATTRIBS];
  88    unsigned vb_mapping[PIPE_MAX_ATTRIBS];
  89    unsigned vb_count;
  90 };
  91
  92 struct ilo_so_state {
  93    struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
  94    unsigned count;
  95    unsigned append_bitmask;
  96
  97    bool enabled;
  98 };
  99
 100 struct ilo_viewport_cso {
 101    /* matrix form */
 102    float m00, m11, m22, m30, m31, m32;
 103
 104    /* guardband in NDC space */
 105    float min_gbx, min_gby, max_gbx, max_gby;
 106
 107    /* viewport in screen space */
 108    float min_x, min_y, min_z;
 109    float max_x, max_y, max_z;
 110 };
 111
 112 struct ilo_viewport_state {
 113    struct ilo_viewport_cso cso[ILO_MAX_VIEWPORTS];
 114    unsigned count;
 115
 116    struct pipe_viewport_state viewport0;
 117 };
 118
 119 struct ilo_scissor_state {
 120    /* SCISSOR_RECT */
 121    uint32_t payload[ILO_MAX_VIEWPORTS * 2];
 122
 123    struct pipe_scissor_state scissor0;
 124 };
 125
 126 struct ilo_rasterizer_clip {
 127    /* 3DSTATE_CLIP */
 128    uint32_t payload[3];
 129
 130    uint32_t can_enable_guardband;
 131 };
 132
 133 struct ilo_rasterizer_sf {
 134    /* 3DSTATE_SF */
 135    uint32_t payload[6];
 136    uint32_t dw_msaa;
 137 };
 138
 139 struct ilo_rasterizer_wm {
 140    /* 3DSTATE_WM */
 141    uint32_t payload[2];
 142    uint32_t dw_msaa_rast;
 143    uint32_t dw_msaa_disp;
 144 };
 145
 146 struct ilo_rasterizer_state {
 147    struct pipe_rasterizer_state state;
 148
 149    struct ilo_rasterizer_clip clip;
 150    struct ilo_rasterizer_sf sf;
 151    struct ilo_rasterizer_wm wm;
 152 };
 153
 154 struct ilo_dsa_state {
 155    /* DEPTH_STENCIL_STATE */
 156    uint32_t payload[3];
 157
 158    uint32_t dw_alpha;
 159    ubyte alpha_ref;
 160 };
 161
 162 struct ilo_blend_cso {
 163    /* BLEND_STATE */
 164    uint32_t payload[2];
 165
 166    uint32_t dw_blend;
 167    uint32_t dw_blend_dst_alpha_forced_one;
 168
 169    uint32_t dw_logicop;
 170    uint32_t dw_alpha_mod;
 171 };
 172
 173 struct ilo_blend_state {
 174    struct ilo_blend_cso cso[ILO_MAX_DRAW_BUFFERS];
 175
 176    bool independent_blend_enable;
 177    bool dual_blend;
 178    bool alpha_to_coverage;
 179 };
 180
 181 struct ilo_sampler_cso {
 182    /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
 183    uint32_t payload[15];
 184
 185    uint32_t dw_filter;
 186    uint32_t dw_filter_aniso;
 187    uint32_t dw_wrap;
 188    uint32_t dw_wrap_1d;
 189    uint32_t dw_wrap_cube;
 190
 191    bool anisotropic;
 192    bool saturate_r;
 193    bool saturate_s;
 194    bool saturate_t;
 195 };
 196
 197 struct ilo_sampler_state {
 198    const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
 199    unsigned count;
 200 };
 201
 202 struct ilo_view_surface {
 203    /* SURFACE_STATE */
 204    uint32_t payload[8];
 205    struct intel_bo *bo;
 206 };
 207
 208 struct ilo_view_cso {
 209    struct pipe_sampler_view base;
 210
 211    struct ilo_view_surface surface;
 212 };
 213
 214 struct ilo_view_state {
 215    struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
 216    unsigned count;
 217 };
 218
 219 struct ilo_cbuf_cso {
 220    struct pipe_resource *resource;
 221    struct ilo_view_surface surface;
 222
 223    /*
 224     * this CSO is not so constant because user buffer needs to be uploaded in
 225     * finalize_constant_buffers()
 226     */
 227    const void *user_buffer;
 228    unsigned user_buffer_size;
 229 };
 230
 231 struct ilo_cbuf_state {
 232    struct ilo_cbuf_cso cso[ILO_MAX_CONST_BUFFERS];
 233    uint32_t enabled_mask;
 234 };
 235
 236 struct ilo_resource_state {
 237    struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
 238    unsigned count;
 239 };
 240
 241 struct ilo_surface_cso {
 242    struct pipe_surface base;
 243
 244    bool is_rt;
 245    union {
 246       struct ilo_view_surface rt;
 247       struct ilo_zs_surface {
 248          uint32_t payload[10];
 249          struct intel_bo *bo;
 250          struct intel_bo *hiz_bo;
 251          struct intel_bo *separate_s8_bo;
 252       } zs;
 253    } u;
 254 };
 255
 256 struct ilo_fb_state {
 257    struct pipe_framebuffer_state state;
 258
 259    struct ilo_view_surface null_rt;
 260    struct ilo_zs_surface null_zs;
 261
 262    unsigned num_samples;
 263    bool offset_to_layers;
 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 offset_to_layer,
 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 offset_to_layer,
 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 offset_to_layer,
 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, offset_to_layer, 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, offset_to_layer, surf);
 470    }
 471 }
 472
 473 void
 474 ilo_gpe_init_zs_surface(const struct ilo_dev_info *dev,
 475                         const struct ilo_texture *tex,
 476                         enum pipe_format format, unsigned level,
 477                         unsigned first_layer, unsigned num_layers,
 478                         bool offset_to_layer, struct ilo_zs_surface *zs);
 479
 480 void
 481 ilo_gpe_init_vs_cso(const struct ilo_dev_info *dev,
 482                     const struct ilo_shader_state *vs,
 483                     struct ilo_shader_cso *cso);
 484
 485 void
 486 ilo_gpe_init_gs_cso_gen6(const struct ilo_dev_info *dev,
 487                          const struct ilo_shader_state *gs,
 488                          struct ilo_shader_cso *cso);
 489
 490 void
 491 ilo_gpe_init_gs_cso_gen7(const struct ilo_dev_info *dev,
 492                          const struct ilo_shader_state *gs,
 493                          struct ilo_shader_cso *cso);
 494
 495 static inline void
 496 ilo_gpe_init_gs_cso(const struct ilo_dev_info *dev,
 497                     const struct ilo_shader_state *gs,
 498                     struct ilo_shader_cso *cso)
 499 {
 500    if (dev->gen >= ILO_GEN(7)) {
 501       ilo_gpe_init_gs_cso_gen7(dev, gs, cso);
 502    }
 503    else {
 504       ilo_gpe_init_gs_cso_gen6(dev, gs, cso);
 505    }
 506 }
 507
 508 void
 509 ilo_gpe_init_fs_cso_gen6(const struct ilo_dev_info *dev,
 510                          const struct ilo_shader_state *fs,
 511                          struct ilo_shader_cso *cso);
 512
 513 void
 514 ilo_gpe_init_fs_cso_gen7(const struct ilo_dev_info *dev,
 515                          const struct ilo_shader_state *fs,
 516                          struct ilo_shader_cso *cso);
 517
 518 static inline void
 519 ilo_gpe_init_fs_cso(const struct ilo_dev_info *dev,
 520                     const struct ilo_shader_state *fs,
 521                     struct ilo_shader_cso *cso)
 522 {
 523    if (dev->gen >= ILO_GEN(7)) {
 524       ilo_gpe_init_fs_cso_gen7(dev, fs, cso);
 525    }
 526    else {
 527       ilo_gpe_init_fs_cso_gen6(dev, fs, cso);
 528    }
 529 }
 530
 531 void
 532 ilo_gpe_set_fb(const struct ilo_dev_info *dev,
 533                const struct pipe_framebuffer_state *state,
 534                struct ilo_fb_state *fb);
 535
 536 #endif /* ILO_GPE_H */