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 /* per-frame counters */
  48 #define SVGA_QUERY_NUM_DRAW_CALLS          (PIPE_QUERY_DRIVER_SPECIFIC + 0)
  49 #define SVGA_QUERY_NUM_FALLBACKS           (PIPE_QUERY_DRIVER_SPECIFIC + 1)
  50 #define SVGA_QUERY_NUM_FLUSHES             (PIPE_QUERY_DRIVER_SPECIFIC + 2)
  51 #define SVGA_QUERY_NUM_VALIDATIONS         (PIPE_QUERY_DRIVER_SPECIFIC + 3)
  52 #define SVGA_QUERY_MAP_BUFFER_TIME         (PIPE_QUERY_DRIVER_SPECIFIC + 4)
  53 #define SVGA_QUERY_NUM_RESOURCES_MAPPED    (PIPE_QUERY_DRIVER_SPECIFIC + 5)
  54 /* running total counters */
  55 #define SVGA_QUERY_MEMORY_USED             (PIPE_QUERY_DRIVER_SPECIFIC + 6)
  56 #define SVGA_QUERY_NUM_SHADERS             (PIPE_QUERY_DRIVER_SPECIFIC + 7)
  57 #define SVGA_QUERY_NUM_RESOURCES           (PIPE_QUERY_DRIVER_SPECIFIC + 8)
  58 #define SVGA_QUERY_NUM_STATE_OBJECTS       (PIPE_QUERY_DRIVER_SPECIFIC + 9)
  59 #define SVGA_QUERY_NUM_SURFACE_VIEWS       (PIPE_QUERY_DRIVER_SPECIFIC + 10)
  60 /*SVGA_QUERY_MAX has to be last because it is size of an array*/
  61 #define SVGA_QUERY_MAX                     (PIPE_QUERY_DRIVER_SPECIFIC + 11)
  62
  63 /**
  64  * Maximum supported number of constant buffers per shader
  65  */
  66 #define SVGA_MAX_CONST_BUFS 14
  67
  68 /**
  69  * Maximum constant buffer size that can be set in the
  70  * DXSetSingleConstantBuffer command is
  71  * DX10 constant buffer element count * 4 4-bytes components
  72  */
  73 #define SVGA_MAX_CONST_BUF_SIZE (4096 * 4 * sizeof(int))
  74
  75 struct draw_vertex_shader;
  76 struct draw_fragment_shader;
  77 struct svga_shader_variant;
  78 struct SVGACmdMemory;
  79 struct util_bitmask;
  80
  81
  82 struct svga_cache_context;
  83 struct svga_tracked_state;
  84
  85 struct svga_blend_state {
  86    unsigned need_white_fragments:1;
  87    unsigned independent_blend_enable:1;
  88    unsigned alpha_to_coverage:1;
  89    unsigned blend_color_alpha:1;  /**< set blend color to alpha value */
  90
  91    /** Per-render target state */
  92    struct {
  93       uint8_t writemask;
  94
  95       boolean blend_enable;
  96       uint8_t srcblend;
  97       uint8_t dstblend;
  98       uint8_t blendeq;
  99
 100       boolean separate_alpha_blend_enable;
 101       uint8_t srcblend_alpha;
 102       uint8_t dstblend_alpha;
 103       uint8_t blendeq_alpha;
 104    } rt[PIPE_MAX_COLOR_BUFS];
 105
 106    SVGA3dBlendStateId id;  /**< vgpu10 */
 107 };
 108
 109 struct svga_depth_stencil_state {
 110    unsigned zfunc:8;
 111    unsigned zenable:1;
 112    unsigned zwriteenable:1;
 113
 114    unsigned alphatestenable:1;
 115    unsigned alphafunc:8;
 116
 117    struct {
 118       unsigned enabled:1;
 119       unsigned func:8;
 120       unsigned fail:8;
 121       unsigned zfail:8;
 122       unsigned pass:8;
 123    } stencil[2];
 124
 125    /* SVGA3D has one ref/mask/writemask triple shared between front &
 126     * back face stencil.  We really need two:
 127     */
 128    unsigned stencil_mask:8;
 129    unsigned stencil_writemask:8;
 130
 131    float    alpharef;
 132
 133    SVGA3dDepthStencilStateId id;  /**< vgpu10 */
 134 };
 135
 136 #define SVGA_UNFILLED_DISABLE 0
 137 #define SVGA_UNFILLED_LINE    1
 138 #define SVGA_UNFILLED_POINT   2
 139
 140 #define SVGA_PIPELINE_FLAG_POINTS   (1<<PIPE_PRIM_POINTS)
 141 #define SVGA_PIPELINE_FLAG_LINES    (1<<PIPE_PRIM_LINES)
 142 #define SVGA_PIPELINE_FLAG_TRIS     (1<<PIPE_PRIM_TRIANGLES)
 143
 144 struct svga_rasterizer_state {
 145    struct pipe_rasterizer_state templ; /* needed for draw module */
 146
 147    unsigned shademode:8;
 148    unsigned cullmode:8;
 149    unsigned scissortestenable:1;
 150    unsigned multisampleantialias:1;
 151    unsigned antialiasedlineenable:1;
 152    unsigned lastpixel:1;
 153    unsigned pointsprite:1;
 154
 155    unsigned linepattern;
 156
 157    float slopescaledepthbias;
 158    float depthbias;
 159    float pointsize;
 160    float linewidth;
 161
 162    unsigned hw_fillmode:2;         /* PIPE_POLYGON_MODE_x */
 163
 164    /** Which prims do we need help for?  Bitmask of (1 << PIPE_PRIM_x) flags */
 165    unsigned need_pipeline:16;
 166
 167    SVGA3dRasterizerStateId id;    /**< vgpu10 */
 168
 169    /** For debugging: */
 170    const char* need_pipeline_tris_str;
 171    const char* need_pipeline_lines_str;
 172    const char* need_pipeline_points_str;
 173 };
 174
 175 struct svga_sampler_state {
 176    unsigned mipfilter;
 177    unsigned magfilter;
 178    unsigned minfilter;
 179    unsigned aniso_level;
 180    float lod_bias;
 181    unsigned addressu;
 182    unsigned addressv;
 183    unsigned addressw;
 184    unsigned bordercolor;
 185    unsigned normalized_coords:1;
 186    unsigned compare_mode:1;
 187    unsigned compare_func:3;
 188
 189    unsigned min_lod;
 190    unsigned view_min_lod;
 191    unsigned view_max_lod;
 192
 193    SVGA3dSamplerId id;
 194 };
 195
 196
 197 struct svga_pipe_sampler_view
 198 {
 199    struct pipe_sampler_view base;
 200
 201    SVGA3dShaderResourceViewId id;
 202 };
 203
 204
 205 static inline struct svga_pipe_sampler_view *
 206 svga_pipe_sampler_view(struct pipe_sampler_view *v)
 207 {
 208    return (struct svga_pipe_sampler_view *) v;
 209 }
 210
 211
 212 struct svga_velems_state {
 213    unsigned count;
 214    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 215    SVGA3dDeclType decl_type[PIPE_MAX_ATTRIBS]; /**< vertex attrib formats */
 216
 217    /** Bitmasks indicating which attributes need format conversion */
 218    unsigned adjust_attrib_range;     /**< range adjustment */
 219    unsigned attrib_is_pure_int;      /**< pure int */
 220    unsigned adjust_attrib_w_1;       /**< set w = 1 */
 221    unsigned adjust_attrib_itof;      /**< int->float */
 222    unsigned adjust_attrib_utof;      /**< uint->float */
 223    unsigned attrib_is_bgra;          /**< R / B swizzling */
 224    unsigned attrib_puint_to_snorm;   /**< 10_10_10_2 packed uint -> snorm */
 225    unsigned attrib_puint_to_uscaled; /**< 10_10_10_2 packed uint -> uscaled */
 226    unsigned attrib_puint_to_sscaled; /**< 10_10_10_2 packed uint -> sscaled */
 227
 228    boolean need_swvfetch;
 229
 230    SVGA3dElementLayoutId id; /**< VGPU10 */
 231 };
 232
 233 /* Use to calculate differences between state emitted to hardware and
 234  * current driver-calculated state.
 235  */
 236 struct svga_state
 237 {
 238    const struct svga_blend_state *blend;
 239    const struct svga_depth_stencil_state *depth;
 240    const struct svga_rasterizer_state *rast;
 241    const struct svga_sampler_state *sampler[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 242    const struct svga_velems_state *velems;
 243
 244    struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; /* or texture ID's? */
 245    struct svga_fragment_shader *fs;
 246    struct svga_vertex_shader *vs;
 247    struct svga_geometry_shader *user_gs; /* user-specified GS */
 248    struct svga_geometry_shader *gs;      /* derived GS */
 249
 250    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 251    struct pipe_index_buffer ib;
 252    /** Constant buffers for each shader.
 253     * The size should probably always match with that of
 254     * svga_shader_emitter_v10.num_shader_consts.
 255     */
 256    struct pipe_constant_buffer constbufs[PIPE_SHADER_TYPES][SVGA_MAX_CONST_BUFS];
 257
 258    struct pipe_framebuffer_state framebuffer;
 259    float depthscale;
 260
 261    /* Hack to limit the number of different render targets between
 262     * flushes.  Helps avoid blowing out our surface cache in EXA.
 263     */
 264    int nr_fbs;
 265
 266    struct pipe_poly_stipple poly_stipple;
 267    struct pipe_scissor_state scissor;
 268    struct pipe_blend_color blend_color;
 269    struct pipe_stencil_ref stencil_ref;
 270    struct pipe_clip_state clip;
 271    struct pipe_viewport_state viewport;
 272
 273    unsigned num_samplers[PIPE_SHADER_TYPES];
 274    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 275    unsigned num_vertex_buffers;
 276    unsigned reduced_prim;
 277
 278    struct {
 279       unsigned flag_1d;
 280       unsigned flag_srgb;
 281    } tex_flags;
 282
 283    unsigned sample_mask;
 284 };
 285
 286 struct svga_prescale {
 287    float translate[4];
 288    float scale[4];
 289    boolean enabled;
 290 };
 291
 292
 293 /* Updated by calling svga_update_state( SVGA_STATE_HW_CLEAR )
 294  */
 295 struct svga_hw_clear_state
 296 {
 297    SVGA3dRect viewport;
 298
 299    struct {
 300       float zmin, zmax;
 301    } depthrange;
 302
 303    struct pipe_framebuffer_state framebuffer;
 304    struct svga_prescale prescale;
 305 };
 306
 307 struct svga_hw_view_state
 308 {
 309    struct pipe_resource *texture;
 310    struct svga_sampler_view *v;
 311    unsigned min_lod;
 312    unsigned max_lod;
 313    int dirty;
 314 };
 315
 316 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
 317  */
 318 struct svga_hw_draw_state
 319 {
 320    unsigned rs[SVGA3D_RS_MAX];
 321    unsigned ts[SVGA3D_PIXEL_SAMPLERREG_MAX][SVGA3D_TS_MAX];
 322    float cb[PIPE_SHADER_TYPES][SVGA3D_CONSTREG_MAX][4];
 323
 324    struct svga_shader_variant *fs;
 325    struct svga_shader_variant *vs;
 326    struct svga_shader_variant *gs;
 327    struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
 328    unsigned num_views;
 329    struct pipe_resource *constbuf[PIPE_SHADER_TYPES];
 330
 331    /* Bitmask of enabled constant bufffers */
 332    unsigned enabled_constbufs[PIPE_SHADER_TYPES];
 333
 334    /* VGPU10 HW state (used to prevent emitting redundant state) */
 335    SVGA3dDepthStencilStateId depth_stencil_id;
 336    unsigned stencil_ref;
 337    SVGA3dBlendStateId blend_id;
 338    float blend_factor[4];
 339    unsigned blend_sample_mask;
 340    SVGA3dRasterizerStateId rasterizer_id;
 341    SVGA3dElementLayoutId layout_id;
 342    SVGA3dPrimitiveType topology;
 343
 344    /* used for rebinding */
 345    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 346    unsigned default_constbuf_size[PIPE_SHADER_TYPES];
 347 };
 348
 349
 350 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
 351  */
 352 struct svga_sw_state
 353 {
 354    /* which parts we need */
 355    boolean need_swvfetch;
 356    boolean need_pipeline;
 357    boolean need_swtnl;
 358
 359    /* Flag to make sure that need sw is on while
 360     * updating state within a swtnl call.
 361     */
 362    boolean in_swtnl_draw;
 363 };
 364
 365
 366 /* Queue some state updates (like rss) and submit them to hardware in
 367  * a single packet.
 368  */
 369 struct svga_hw_queue;
 370
 371 struct svga_query;
 372 struct svga_qmem_alloc_entry;
 373
 374 struct svga_context
 375 {
 376    struct pipe_context pipe;
 377    struct svga_winsys_context *swc;
 378    struct blitter_context *blitter;
 379    struct u_upload_mgr *const0_upload;
 380
 381    struct {
 382       boolean no_swtnl;
 383       boolean force_swtnl;
 384       boolean use_min_mipmap;
 385
 386       /* incremented for each shader */
 387       unsigned shader_id;
 388
 389       unsigned disable_shader;
 390
 391       boolean no_line_width;
 392       boolean force_hw_line_stipple;
 393    } debug;
 394
 395    struct {
 396       struct draw_context *draw;
 397       struct vbuf_render *backend;
 398       unsigned hw_prim;
 399       boolean new_vbuf;
 400       boolean new_vdecl;
 401    } swtnl;
 402
 403    /* Bitmask of blend state objects IDs */
 404    struct util_bitmask *blend_object_id_bm;
 405
 406    /* Bitmask of depth/stencil state objects IDs */
 407    struct util_bitmask *ds_object_id_bm;
 408
 409    /* Bitmaks of input element object IDs */
 410    struct util_bitmask *input_element_object_id_bm;
 411
 412    /* Bitmask of rasterizer object IDs */
 413    struct util_bitmask *rast_object_id_bm;
 414
 415    /* Bitmask of sampler state objects IDs */
 416    struct util_bitmask *sampler_object_id_bm;
 417
 418    /* Bitmask of sampler view IDs */
 419    struct util_bitmask *sampler_view_id_bm;
 420
 421    /* Bitmask of used shader IDs */
 422    struct util_bitmask *shader_id_bm;
 423
 424    /* Bitmask of used surface view IDs */
 425    struct util_bitmask *surface_view_id_bm;
 426
 427    /* Bitmask of used stream output IDs */
 428    struct util_bitmask *stream_output_id_bm;
 429
 430    /* Bitmask of used query IDs */
 431    struct util_bitmask *query_id_bm;
 432
 433    struct {
 434       unsigned dirty[SVGA_STATE_MAX];
 435
 436       /** bitmasks of which const buffers are changed */
 437       unsigned dirty_constbufs[PIPE_SHADER_TYPES];
 438
 439       unsigned texture_timestamp;
 440
 441       /*
 442        */
 443       struct svga_sw_state          sw;
 444       struct svga_hw_draw_state     hw_draw;
 445       struct svga_hw_clear_state    hw_clear;
 446    } state;
 447
 448    struct svga_state curr;      /* state from the state tracker */
 449    unsigned dirty;              /* statechanges since last update_state() */
 450
 451    union {
 452       struct {
 453          unsigned rendertargets:1;
 454          unsigned texture_samplers:1;
 455          unsigned constbufs:1;
 456          unsigned vs:1;
 457          unsigned fs:1;
 458          unsigned gs:1;
 459          unsigned query:1;
 460       } flags;
 461       unsigned val;
 462    } rebind;
 463
 464    struct svga_hwtnl *hwtnl;
 465
 466    /** Queries states */
 467    struct svga_winsys_gb_query *gb_query;     /**< gb query object, one per context */
 468    unsigned gb_query_len;                     /**< gb query object size */
 469    struct util_bitmask *gb_query_alloc_mask;  /**< gb query object allocation mask */
 470    struct svga_qmem_alloc_entry *gb_query_map[SVGA_QUERY_MAX];
 471                                               /**< query mem block mapping */
 472    struct svga_query *sq[SVGA_QUERY_MAX];     /**< queries currently in progress */
 473
 474    /** List of buffers with queued transfers */
 475    struct list_head dirty_buffers;
 476
 477    /** performance / info queries for HUD */
 478    struct {
 479       uint64_t num_draw_calls;       /**< SVGA_QUERY_DRAW_CALLS */
 480       uint64_t num_fallbacks;        /**< SVGA_QUERY_NUM_FALLBACKS */
 481       uint64_t num_flushes;          /**< SVGA_QUERY_NUM_FLUSHES */
 482       uint64_t num_validations;      /**< SVGA_QUERY_NUM_VALIDATIONS */
 483       uint64_t map_buffer_time;      /**< SVGA_QUERY_MAP_BUFFER_TIME */
 484       uint64_t num_resources_mapped; /**< SVGA_QUERY_NUM_RESOURCES_MAPPED */
 485       uint64_t num_shaders;          /**< SVGA_QUERY_NUM_SHADERS */
 486       uint64_t num_state_objects;    /**< SVGA_QUERY_NUM_STATE_OBJECTS */
 487       uint64_t num_surface_views;    /**< SVGA_QUERY_NUM_SURFACE_VIEWS */
 488    } hud;
 489
 490    /** The currently bound stream output targets */
 491    unsigned num_so_targets;
 492    struct svga_winsys_surface *so_surfaces[SVGA3D_DX_MAX_SOTARGETS];
 493    struct pipe_stream_output_target *so_targets[SVGA3D_DX_MAX_SOTARGETS];
 494    struct svga_stream_output *current_so;
 495
 496    /** A blend state with blending disabled, for falling back to when blending
 497     * is illegal (e.g. an integer texture is bound)
 498     */
 499    struct svga_blend_state *noop_blend;
 500
 501    struct {
 502       struct pipe_resource *texture;
 503       struct svga_pipe_sampler_view *sampler_view;
 504       void *sampler;
 505    } polygon_stipple;
 506
 507    /** Alternate rasterizer states created for point sprite */
 508    struct svga_rasterizer_state *rasterizer_no_cull[2];
 509 };
 510
 511 /* A flag for each state_tracker state object:
 512  */
 513 #define SVGA_NEW_BLEND               0x1
 514 #define SVGA_NEW_DEPTH_STENCIL_ALPHA 0x2
 515 #define SVGA_NEW_RAST                0x4
 516 #define SVGA_NEW_SAMPLER             0x8
 517 #define SVGA_NEW_TEXTURE             0x10
 518 #define SVGA_NEW_VBUFFER             0x20
 519 #define SVGA_NEW_VELEMENT            0x40
 520 #define SVGA_NEW_FS                  0x80
 521 #define SVGA_NEW_VS                  0x100
 522 #define SVGA_NEW_FS_CONST_BUFFER     0x200
 523 #define SVGA_NEW_VS_CONST_BUFFER     0x400
 524 #define SVGA_NEW_FRAME_BUFFER        0x800
 525 #define SVGA_NEW_STIPPLE             0x1000
 526 #define SVGA_NEW_SCISSOR             0x2000
 527 #define SVGA_NEW_BLEND_COLOR         0x4000
 528 #define SVGA_NEW_CLIP                0x8000
 529 #define SVGA_NEW_VIEWPORT            0x10000
 530 #define SVGA_NEW_PRESCALE            0x20000
 531 #define SVGA_NEW_REDUCED_PRIMITIVE   0x40000
 532 #define SVGA_NEW_TEXTURE_BINDING     0x80000
 533 #define SVGA_NEW_NEED_PIPELINE       0x100000
 534 #define SVGA_NEW_NEED_SWVFETCH       0x200000
 535 #define SVGA_NEW_NEED_SWTNL          0x400000
 536 #define SVGA_NEW_FS_VARIANT          0x800000
 537 #define SVGA_NEW_VS_VARIANT          0x1000000
 538 #define SVGA_NEW_TEXTURE_FLAGS       0x4000000
 539 #define SVGA_NEW_STENCIL_REF         0x8000000
 540 #define SVGA_NEW_GS                  0x10000000
 541 #define SVGA_NEW_GS_CONST_BUFFER     0x20000000
 542 #define SVGA_NEW_GS_VARIANT          0x40000000
 543
 544
 545
 546
 547 /***********************************************************************
 548  * svga_clear.c:
 549  */
 550 void svga_clear(struct pipe_context *pipe,
 551                 unsigned buffers,
 552                 const union pipe_color_union *color,
 553                 double depth,
 554                 unsigned stencil);
 555
 556
 557 /***********************************************************************
 558  * svga_screen_texture.c:
 559  */
 560 void svga_mark_surfaces_dirty(struct svga_context *svga);
 561
 562
 563
 564
 565 void svga_init_state_functions( struct svga_context *svga );
 566 void svga_init_flush_functions( struct svga_context *svga );
 567 void svga_init_string_functions( struct svga_context *svga );
 568 void svga_init_blit_functions(struct svga_context *svga);
 569
 570 void svga_init_blend_functions( struct svga_context *svga );
 571 void svga_init_depth_stencil_functions( struct svga_context *svga );
 572 void svga_init_misc_functions( struct svga_context *svga );
 573 void svga_init_rasterizer_functions( struct svga_context *svga );
 574 void svga_init_sampler_functions( struct svga_context *svga );
 575 void svga_init_fs_functions( struct svga_context *svga );
 576 void svga_init_vs_functions( struct svga_context *svga );
 577 void svga_init_gs_functions( struct svga_context *svga );
 578 void svga_init_vertex_functions( struct svga_context *svga );
 579 void svga_init_constbuffer_functions( struct svga_context *svga );
 580 void svga_init_draw_functions( struct svga_context *svga );
 581 void svga_init_query_functions( struct svga_context *svga );
 582 void svga_init_surface_functions(struct svga_context *svga);
 583 void svga_init_stream_output_functions( struct svga_context *svga );
 584
 585 void svga_cleanup_vertex_state( struct svga_context *svga );
 586 void svga_cleanup_tss_binding( struct svga_context *svga );
 587 void svga_cleanup_framebuffer( struct svga_context *svga );
 588
 589 void svga_context_flush( struct svga_context *svga,
 590                          struct pipe_fence_handle **pfence );
 591
 592 void svga_context_finish(struct svga_context *svga);
 593
 594 void svga_hwtnl_flush_retry( struct svga_context *svga );
 595 void svga_hwtnl_flush_buffer( struct svga_context *svga,
 596                               struct pipe_resource *buffer );
 597
 598 void svga_surfaces_flush(struct svga_context *svga);
 599
 600 struct pipe_context *
 601 svga_context_create(struct pipe_screen *screen,
 602                     void *priv, unsigned flags);
 603
 604
 605 /***********************************************************************
 606  * Inline conversion functions.  These are better-typed than the
 607  * macros used previously:
 608  */
 609 static inline struct svga_context *
 610 svga_context( struct pipe_context *pipe )
 611 {
 612    return (struct svga_context *)pipe;
 613 }
 614
 615
 616 static inline boolean
 617 svga_have_gb_objects(const struct svga_context *svga)
 618 {
 619    return svga_screen(svga->pipe.screen)->sws->have_gb_objects;
 620 }
 621
 622 static inline boolean
 623 svga_have_gb_dma(const struct svga_context *svga)
 624 {
 625    return svga_screen(svga->pipe.screen)->sws->have_gb_dma;
 626 }
 627
 628 static inline boolean
 629 svga_have_vgpu10(const struct svga_context *svga)
 630 {
 631    return svga_screen(svga->pipe.screen)->sws->have_vgpu10;
 632 }
 633
 634 static inline boolean
 635 svga_need_to_rebind_resources(const struct svga_context *svga)
 636 {
 637    return svga_screen(svga->pipe.screen)->sws->need_to_rebind_resources;
 638 }
 639
 640 static inline boolean
 641 svga_rects_equal(const SVGA3dRect *r1, const SVGA3dRect *r2)
 642 {
 643    return memcmp(r1, r2, sizeof(*r1)) == 0;
 644 }
 645
 646 #endif