src/gallium/drivers/svga/svga_context.h

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #ifndef SVGA_CONTEXT_H
  27 #define SVGA_CONTEXT_H
  28
  29
  30 #include "pipe/p_context.h"
  31 #include "pipe/p_defines.h"
  32 #include "pipe/p_state.h"
  33
  34 #include "util/u_blitter.h"
  35 #include "util/list.h"
  36
  37 #include "tgsi/tgsi_scan.h"
  38
  39 #include "svga_screen.h"
  40 #include "svga_state.h"
  41 #include "svga_winsys.h"
  42 #include "svga_hw_reg.h"
  43 #include "svga3d_shaderdefs.h"
  44
  45
  46 /** Non-GPU queries for gallium HUD */
  47 #define SVGA_QUERY_DRAW_CALLS   (PIPE_QUERY_DRIVER_SPECIFIC + 0)
  48 #define SVGA_QUERY_FALLBACKS    (PIPE_QUERY_DRIVER_SPECIFIC + 1)
  49 #define SVGA_QUERY_MEMORY_USED  (PIPE_QUERY_DRIVER_SPECIFIC + 2)
  50 #define SVGA_QUERY_MAX          (PIPE_QUERY_DRIVER_SPECIFIC + 3)
  51
  52 /**
  53  * Maximum supported number of constant buffers per shader
  54  */
  55 #define SVGA_MAX_CONST_BUFS 14
  56
  57 /**
  58  * Maximum constant buffer size that can be set in the
  59  * DXSetSingleConstantBuffer command is
  60  * DX10 constant buffer element count * 4 4-bytes components
  61  */
  62 #define SVGA_MAX_CONST_BUF_SIZE (4096 * 4 * sizeof(int))
  63
  64 struct draw_vertex_shader;
  65 struct draw_fragment_shader;
  66 struct svga_shader_variant;
  67 struct SVGACmdMemory;
  68 struct util_bitmask;
  69
  70
  71 struct svga_cache_context;
  72 struct svga_tracked_state;
  73
  74 struct svga_blend_state {
  75    unsigned need_white_fragments:1;
  76    unsigned independent_blend_enable:1;
  77    unsigned alpha_to_coverage:1;
  78    unsigned blend_color_alpha:1;  /**< set blend color to alpha value */
  79
  80    /** Per-render target state */
  81    struct {
  82       uint8_t writemask;
  83
  84       boolean blend_enable;
  85       uint8_t srcblend;
  86       uint8_t dstblend;
  87       uint8_t blendeq;
  88
  89       boolean separate_alpha_blend_enable;
  90       uint8_t srcblend_alpha;
  91       uint8_t dstblend_alpha;
  92       uint8_t blendeq_alpha;
  93    } rt[PIPE_MAX_COLOR_BUFS];
  94
  95    SVGA3dBlendStateId id;  /**< vgpu10 */
  96 };
  97
  98 struct svga_depth_stencil_state {
  99    unsigned zfunc:8;
 100    unsigned zenable:1;
 101    unsigned zwriteenable:1;
 102
 103    unsigned alphatestenable:1;
 104    unsigned alphafunc:8;
 105
 106    struct {
 107       unsigned enabled:1;
 108       unsigned func:8;
 109       unsigned fail:8;
 110       unsigned zfail:8;
 111       unsigned pass:8;
 112    } stencil[2];
 113
 114    /* SVGA3D has one ref/mask/writemask triple shared between front &
 115     * back face stencil.  We really need two:
 116     */
 117    unsigned stencil_mask:8;
 118    unsigned stencil_writemask:8;
 119
 120    float    alpharef;
 121
 122    SVGA3dDepthStencilStateId id;  /**< vgpu10 */
 123 };
 124
 125 #define SVGA_UNFILLED_DISABLE 0
 126 #define SVGA_UNFILLED_LINE    1
 127 #define SVGA_UNFILLED_POINT   2
 128
 129 #define SVGA_PIPELINE_FLAG_POINTS   (1<<PIPE_PRIM_POINTS)
 130 #define SVGA_PIPELINE_FLAG_LINES    (1<<PIPE_PRIM_LINES)
 131 #define SVGA_PIPELINE_FLAG_TRIS     (1<<PIPE_PRIM_TRIANGLES)
 132
 133 struct svga_rasterizer_state {
 134    struct pipe_rasterizer_state templ; /* needed for draw module */
 135
 136    unsigned shademode:8;
 137    unsigned cullmode:8;
 138    unsigned scissortestenable:1;
 139    unsigned multisampleantialias:1;
 140    unsigned antialiasedlineenable:1;
 141    unsigned lastpixel:1;
 142    unsigned pointsprite:1;
 143
 144    unsigned linepattern;
 145
 146    float slopescaledepthbias;
 147    float depthbias;
 148    float pointsize;
 149    float linewidth;
 150
 151    unsigned hw_fillmode:2;         /* PIPE_POLYGON_MODE_x */
 152
 153    /** Which prims do we need help for?  Bitmask of (1 << PIPE_PRIM_x) flags */
 154    unsigned need_pipeline:16;
 155
 156    SVGA3dRasterizerStateId id;    /**< vgpu10 */
 157
 158    /** For debugging: */
 159    const char* need_pipeline_tris_str;
 160    const char* need_pipeline_lines_str;
 161    const char* need_pipeline_points_str;
 162 };
 163
 164 struct svga_sampler_state {
 165    unsigned mipfilter;
 166    unsigned magfilter;
 167    unsigned minfilter;
 168    unsigned aniso_level;
 169    float lod_bias;
 170    unsigned addressu;
 171    unsigned addressv;
 172    unsigned addressw;
 173    unsigned bordercolor;
 174    unsigned normalized_coords:1;
 175    unsigned compare_mode:1;
 176    unsigned compare_func:3;
 177
 178    unsigned min_lod;
 179    unsigned view_min_lod;
 180    unsigned view_max_lod;
 181
 182    SVGA3dSamplerId id;
 183 };
 184
 185
 186 struct svga_pipe_sampler_view
 187 {
 188    struct pipe_sampler_view base;
 189
 190    SVGA3dShaderResourceViewId id;
 191 };
 192
 193
 194 static inline struct svga_pipe_sampler_view *
 195 svga_pipe_sampler_view(struct pipe_sampler_view *v)
 196 {
 197    return (struct svga_pipe_sampler_view *) v;
 198 }
 199
 200
 201 struct svga_velems_state {
 202    unsigned count;
 203    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 204    SVGA3dDeclType decl_type[PIPE_MAX_ATTRIBS]; /**< vertex attrib formats */
 205
 206    /** Bitmasks indicating which attributes need format conversion */
 207    unsigned adjust_attrib_range;     /**< range adjustment */
 208    unsigned attrib_is_pure_int;      /**< pure int */
 209    unsigned adjust_attrib_w_1;       /**< set w = 1 */
 210    unsigned adjust_attrib_itof;      /**< int->float */
 211    unsigned adjust_attrib_utof;      /**< uint->float */
 212    unsigned attrib_is_bgra;          /**< R / B swizzling */
 213    unsigned attrib_puint_to_snorm;   /**< 10_10_10_2 packed uint -> snorm */
 214    unsigned attrib_puint_to_uscaled; /**< 10_10_10_2 packed uint -> uscaled */
 215    unsigned attrib_puint_to_sscaled; /**< 10_10_10_2 packed uint -> sscaled */
 216
 217    boolean need_swvfetch;
 218
 219    SVGA3dElementLayoutId id; /**< VGPU10 */
 220 };
 221
 222 /* Use to calculate differences between state emitted to hardware and
 223  * current driver-calculated state.
 224  */
 225 struct svga_state
 226 {
 227    const struct svga_blend_state *blend;
 228    const struct svga_depth_stencil_state *depth;
 229    const struct svga_rasterizer_state *rast;
 230    const struct svga_sampler_state *sampler[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 231    const struct svga_velems_state *velems;
 232
 233    struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; /* or texture ID's? */
 234    struct svga_fragment_shader *fs;
 235    struct svga_vertex_shader *vs;
 236    struct svga_geometry_shader *user_gs; /* user-specified GS */
 237    struct svga_geometry_shader *gs;      /* derived GS */
 238
 239    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 240    struct pipe_index_buffer ib;
 241    /** Constant buffers for each shader.
 242     * The size should probably always match with that of
 243     * svga_shader_emitter_v10.num_shader_consts.
 244     */
 245    struct pipe_constant_buffer constbufs[PIPE_SHADER_TYPES][SVGA_MAX_CONST_BUFS];
 246
 247    struct pipe_framebuffer_state framebuffer;
 248    float depthscale;
 249
 250    /* Hack to limit the number of different render targets between
 251     * flushes.  Helps avoid blowing out our surface cache in EXA.
 252     */
 253    int nr_fbs;
 254
 255    struct pipe_poly_stipple poly_stipple;
 256    struct pipe_scissor_state scissor;
 257    struct pipe_blend_color blend_color;
 258    struct pipe_stencil_ref stencil_ref;
 259    struct pipe_clip_state clip;
 260    struct pipe_viewport_state viewport;
 261
 262    unsigned num_samplers[PIPE_SHADER_TYPES];
 263    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 264    unsigned num_vertex_buffers;
 265    unsigned reduced_prim;
 266
 267    struct {
 268       unsigned flag_1d;
 269       unsigned flag_srgb;
 270    } tex_flags;
 271
 272    unsigned sample_mask;
 273 };
 274
 275 struct svga_prescale {
 276    float translate[4];
 277    float scale[4];
 278    boolean enabled;
 279 };
 280
 281
 282 /* Updated by calling svga_update_state( SVGA_STATE_HW_CLEAR )
 283  */
 284 struct svga_hw_clear_state
 285 {
 286    SVGA3dRect viewport;
 287
 288    struct {
 289       float zmin, zmax;
 290    } depthrange;
 291
 292    struct pipe_framebuffer_state framebuffer;
 293    struct svga_prescale prescale;
 294 };
 295
 296 struct svga_hw_view_state
 297 {
 298    struct pipe_resource *texture;
 299    struct svga_sampler_view *v;
 300    unsigned min_lod;
 301    unsigned max_lod;
 302    int dirty;
 303 };
 304
 305 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
 306  */
 307 struct svga_hw_draw_state
 308 {
 309    unsigned rs[SVGA3D_RS_MAX];
 310    unsigned ts[SVGA3D_PIXEL_SAMPLERREG_MAX][SVGA3D_TS_MAX];
 311    float cb[PIPE_SHADER_TYPES][SVGA3D_CONSTREG_MAX][4];
 312
 313    struct svga_shader_variant *fs;
 314    struct svga_shader_variant *vs;
 315    struct svga_shader_variant *gs;
 316    struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
 317    unsigned num_views;
 318    struct pipe_resource *constbuf[PIPE_SHADER_TYPES];
 319
 320    /* Bitmask of enabled constant bufffers */
 321    unsigned enabled_constbufs[PIPE_SHADER_TYPES];
 322
 323    /* VGPU10 HW state (used to prevent emitting redundant state) */
 324    SVGA3dDepthStencilStateId depth_stencil_id;
 325    unsigned stencil_ref;
 326    SVGA3dBlendStateId blend_id;
 327    float blend_factor[4];
 328    unsigned blend_sample_mask;
 329    SVGA3dRasterizerStateId rasterizer_id;
 330    SVGA3dElementLayoutId layout_id;
 331    SVGA3dPrimitiveType topology;
 332
 333    /* used for rebinding */
 334    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 335    unsigned default_constbuf_size[PIPE_SHADER_TYPES];
 336 };
 337
 338
 339 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
 340  */
 341 struct svga_sw_state
 342 {
 343    /* which parts we need */
 344    boolean need_swvfetch;
 345    boolean need_pipeline;
 346    boolean need_swtnl;
 347
 348    /* Flag to make sure that need sw is on while
 349     * updating state within a swtnl call.
 350     */
 351    boolean in_swtnl_draw;
 352 };
 353
 354
 355 /* Queue some state updates (like rss) and submit them to hardware in
 356  * a single packet.
 357  */
 358 struct svga_hw_queue;
 359
 360 struct svga_query;
 361 struct svga_qmem_alloc_entry;
 362
 363 struct svga_context
 364 {
 365    struct pipe_context pipe;
 366    struct svga_winsys_context *swc;
 367    struct blitter_context *blitter;
 368    struct u_upload_mgr *const0_upload;
 369
 370    struct {
 371       boolean no_swtnl;
 372       boolean force_swtnl;
 373       boolean use_min_mipmap;
 374
 375       /* incremented for each shader */
 376       unsigned shader_id;
 377
 378       unsigned disable_shader;
 379
 380       boolean no_line_width;
 381       boolean force_hw_line_stipple;
 382    } debug;
 383
 384    struct {
 385       struct draw_context *draw;
 386       struct vbuf_render *backend;
 387       unsigned hw_prim;
 388       boolean new_vbuf;
 389       boolean new_vdecl;
 390    } swtnl;
 391
 392    /* Bitmask of blend state objects IDs */
 393    struct util_bitmask *blend_object_id_bm;
 394
 395    /* Bitmask of depth/stencil state objects IDs */
 396    struct util_bitmask *ds_object_id_bm;
 397
 398    /* Bitmaks of input element object IDs */
 399    struct util_bitmask *input_element_object_id_bm;
 400
 401    /* Bitmask of rasterizer object IDs */
 402    struct util_bitmask *rast_object_id_bm;
 403
 404    /* Bitmask of sampler state objects IDs */
 405    struct util_bitmask *sampler_object_id_bm;
 406
 407    /* Bitmask of sampler view IDs */
 408    struct util_bitmask *sampler_view_id_bm;
 409
 410    /* Bitmask of used shader IDs */
 411    struct util_bitmask *shader_id_bm;
 412
 413    /* Bitmask of used surface view IDs */
 414    struct util_bitmask *surface_view_id_bm;
 415
 416    /* Bitmask of used stream output IDs */
 417    struct util_bitmask *stream_output_id_bm;
 418
 419    /* Bitmask of used query IDs */
 420    struct util_bitmask *query_id_bm;
 421
 422    struct {
 423       unsigned dirty[SVGA_STATE_MAX];
 424
 425       /** bitmasks of which const buffers are changed */
 426       unsigned dirty_constbufs[PIPE_SHADER_TYPES];
 427
 428       unsigned texture_timestamp;
 429
 430       /*
 431        */
 432       struct svga_sw_state          sw;
 433       struct svga_hw_draw_state     hw_draw;
 434       struct svga_hw_clear_state    hw_clear;
 435    } state;
 436
 437    struct svga_state curr;      /* state from the state tracker */
 438    unsigned dirty;              /* statechanges since last update_state() */
 439
 440    union {
 441       struct {
 442          unsigned rendertargets:1;
 443          unsigned texture_samplers:1;
 444          unsigned constbufs:1;
 445          unsigned vs:1;
 446          unsigned fs:1;
 447          unsigned gs:1;
 448          unsigned query:1;
 449       } flags;
 450       unsigned val;
 451    } rebind;
 452
 453    struct svga_hwtnl *hwtnl;
 454
 455    /** Queries states */
 456    struct svga_winsys_gb_query *gb_query;     /**< gb query object, one per context */
 457    unsigned gb_query_len;                     /**< gb query object size */
 458    struct util_bitmask *gb_query_alloc_mask;  /**< gb query object allocation mask */
 459    struct svga_qmem_alloc_entry *gb_query_map[SVGA_QUERY_MAX];
 460                                               /**< query mem block mapping */
 461    struct svga_query *sq[SVGA_QUERY_MAX];     /**< queries currently in progress */
 462
 463    /** List of buffers with queued transfers */
 464    struct list_head dirty_buffers;
 465
 466    /** performance / info queries */
 467    uint64_t num_draw_calls;  /**< SVGA_QUERY_DRAW_CALLS */
 468    uint64_t num_fallbacks;   /**< SVGA_QUERY_FALLBACKS */
 469
 470    /** The currently bound stream output targets */
 471    unsigned num_so_targets;
 472    struct svga_winsys_surface *so_surfaces[SVGA3D_DX_MAX_SOTARGETS];
 473    struct pipe_stream_output_target *so_targets[SVGA3D_DX_MAX_SOTARGETS];
 474    struct svga_stream_output *current_so;
 475
 476    /** A blend state with blending disabled, for falling back to when blending
 477     * is illegal (e.g. an integer texture is bound)
 478     */
 479    struct svga_blend_state *noop_blend;
 480
 481    struct {
 482       struct pipe_resource *texture;
 483       struct svga_pipe_sampler_view *sampler_view;
 484       void *sampler;
 485    } polygon_stipple;
 486
 487    /** Alternate rasterizer states created for point sprite */
 488    struct svga_rasterizer_state *rasterizer_no_cull[2];
 489 };
 490
 491 /* A flag for each state_tracker state object:
 492  */
 493 #define SVGA_NEW_BLEND               0x1
 494 #define SVGA_NEW_DEPTH_STENCIL_ALPHA 0x2
 495 #define SVGA_NEW_RAST                0x4
 496 #define SVGA_NEW_SAMPLER             0x8
 497 #define SVGA_NEW_TEXTURE             0x10
 498 #define SVGA_NEW_VBUFFER             0x20
 499 #define SVGA_NEW_VELEMENT            0x40
 500 #define SVGA_NEW_FS                  0x80
 501 #define SVGA_NEW_VS                  0x100
 502 #define SVGA_NEW_FS_CONST_BUFFER     0x200
 503 #define SVGA_NEW_VS_CONST_BUFFER     0x400
 504 #define SVGA_NEW_FRAME_BUFFER        0x800
 505 #define SVGA_NEW_STIPPLE             0x1000
 506 #define SVGA_NEW_SCISSOR             0x2000
 507 #define SVGA_NEW_BLEND_COLOR         0x4000
 508 #define SVGA_NEW_CLIP                0x8000
 509 #define SVGA_NEW_VIEWPORT            0x10000
 510 #define SVGA_NEW_PRESCALE            0x20000
 511 #define SVGA_NEW_REDUCED_PRIMITIVE   0x40000
 512 #define SVGA_NEW_TEXTURE_BINDING     0x80000
 513 #define SVGA_NEW_NEED_PIPELINE       0x100000
 514 #define SVGA_NEW_NEED_SWVFETCH       0x200000
 515 #define SVGA_NEW_NEED_SWTNL          0x400000
 516 #define SVGA_NEW_FS_VARIANT          0x800000
 517 #define SVGA_NEW_VS_VARIANT          0x1000000
 518 #define SVGA_NEW_TEXTURE_FLAGS       0x4000000
 519 #define SVGA_NEW_STENCIL_REF         0x8000000
 520 #define SVGA_NEW_GS                  0x10000000
 521 #define SVGA_NEW_GS_CONST_BUFFER     0x20000000
 522 #define SVGA_NEW_GS_VARIANT          0x40000000
 523
 524
 525
 526
 527 /***********************************************************************
 528  * svga_clear.c:
 529  */
 530 void svga_clear(struct pipe_context *pipe,
 531                 unsigned buffers,
 532                 const union pipe_color_union *color,
 533                 double depth,
 534                 unsigned stencil);
 535
 536
 537 /***********************************************************************
 538  * svga_screen_texture.c:
 539  */
 540 void svga_mark_surfaces_dirty(struct svga_context *svga);
 541
 542
 543
 544
 545 void svga_init_state_functions( struct svga_context *svga );
 546 void svga_init_flush_functions( struct svga_context *svga );
 547 void svga_init_string_functions( struct svga_context *svga );
 548 void svga_init_blit_functions(struct svga_context *svga);
 549
 550 void svga_init_blend_functions( struct svga_context *svga );
 551 void svga_init_depth_stencil_functions( struct svga_context *svga );
 552 void svga_init_misc_functions( struct svga_context *svga );
 553 void svga_init_rasterizer_functions( struct svga_context *svga );
 554 void svga_init_sampler_functions( struct svga_context *svga );
 555 void svga_init_fs_functions( struct svga_context *svga );
 556 void svga_init_vs_functions( struct svga_context *svga );
 557 void svga_init_gs_functions( struct svga_context *svga );
 558 void svga_init_vertex_functions( struct svga_context *svga );
 559 void svga_init_constbuffer_functions( struct svga_context *svga );
 560 void svga_init_draw_functions( struct svga_context *svga );
 561 void svga_init_query_functions( struct svga_context *svga );
 562 void svga_init_surface_functions(struct svga_context *svga);
 563 void svga_init_stream_output_functions( struct svga_context *svga );
 564
 565 void svga_cleanup_vertex_state( struct svga_context *svga );
 566 void svga_cleanup_tss_binding( struct svga_context *svga );
 567 void svga_cleanup_framebuffer( struct svga_context *svga );
 568
 569 void svga_context_flush( struct svga_context *svga,
 570                          struct pipe_fence_handle **pfence );
 571
 572 void svga_context_finish(struct svga_context *svga);
 573
 574 void svga_hwtnl_flush_retry( struct svga_context *svga );
 575 void svga_hwtnl_flush_buffer( struct svga_context *svga,
 576                               struct pipe_resource *buffer );
 577
 578 void svga_surfaces_flush(struct svga_context *svga);
 579
 580 struct pipe_context *
 581 svga_context_create(struct pipe_screen *screen,
 582                     void *priv, unsigned flags);
 583
 584
 585 /***********************************************************************
 586  * Inline conversion functions.  These are better-typed than the
 587  * macros used previously:
 588  */
 589 static inline struct svga_context *
 590 svga_context( struct pipe_context *pipe )
 591 {
 592    return (struct svga_context *)pipe;
 593 }
 594
 595
 596 static inline boolean
 597 svga_have_gb_objects(const struct svga_context *svga)
 598 {
 599    return svga_screen(svga->pipe.screen)->sws->have_gb_objects;
 600 }
 601
 602 static inline boolean
 603 svga_have_gb_dma(const struct svga_context *svga)
 604 {
 605    return svga_screen(svga->pipe.screen)->sws->have_gb_dma;
 606 }
 607
 608 static inline boolean
 609 svga_have_vgpu10(const struct svga_context *svga)
 610 {
 611    return svga_screen(svga->pipe.screen)->sws->have_vgpu10;
 612 }
 613
 614 static inline boolean
 615 svga_need_to_rebind_resources(const struct svga_context *svga)
 616 {
 617    return svga_screen(svga->pipe.screen)->sws->need_to_rebind_resources;
 618 }
 619
 620 static inline boolean
 621 svga_rects_equal(const SVGA3dRect *r1, const SVGA3dRect *r2)
 622 {
 623    return memcmp(r1, r2, sizeof(*r1)) == 0;
 624 }
 625
 626 #endif