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/os_time.h"
  35
  36 #include "util/u_blitter.h"
  37 #include "util/list.h"
  38
  39 #include "tgsi/tgsi_scan.h"
  40
  41 #include "svga_screen.h"
  42 #include "svga_state.h"
  43 #include "svga_winsys.h"
  44 #include "svga_hw_reg.h"
  45 #include "svga3d_shaderdefs.h"
  46
  47
  48 /** Non-GPU queries for gallium HUD */
  49 enum svga_hud {
  50 /* per-frame counters */
  51    SVGA_QUERY_NUM_DRAW_CALLS = PIPE_QUERY_DRIVER_SPECIFIC,
  52    SVGA_QUERY_NUM_FALLBACKS,
  53    SVGA_QUERY_NUM_FLUSHES,
  54    SVGA_QUERY_NUM_VALIDATIONS,
  55    SVGA_QUERY_MAP_BUFFER_TIME,
  56    SVGA_QUERY_NUM_BUFFERS_MAPPED,
  57    SVGA_QUERY_NUM_TEXTURES_MAPPED,
  58    SVGA_QUERY_NUM_BYTES_UPLOADED,
  59    SVGA_QUERY_COMMAND_BUFFER_SIZE,
  60    SVGA_QUERY_FLUSH_TIME,
  61    SVGA_QUERY_SURFACE_WRITE_FLUSHES,
  62    SVGA_QUERY_NUM_READBACKS,
  63    SVGA_QUERY_NUM_RESOURCE_UPDATES,
  64    SVGA_QUERY_NUM_BUFFER_UPLOADS,
  65    SVGA_QUERY_NUM_CONST_BUF_UPDATES,
  66    SVGA_QUERY_NUM_CONST_UPDATES,
  67
  68 /* running total counters */
  69    SVGA_QUERY_MEMORY_USED,
  70    SVGA_QUERY_NUM_SHADERS,
  71    SVGA_QUERY_NUM_RESOURCES,
  72    SVGA_QUERY_NUM_STATE_OBJECTS,
  73    SVGA_QUERY_NUM_SURFACE_VIEWS,
  74    SVGA_QUERY_NUM_GENERATE_MIPMAP,
  75    SVGA_QUERY_NUM_FAILED_ALLOCATIONS,
  76    SVGA_QUERY_NUM_COMMANDS_PER_DRAW,
  77
  78 /*SVGA_QUERY_MAX has to be last because it is size of an array*/
  79    SVGA_QUERY_MAX
  80 };
  81
  82 /**
  83  * Maximum supported number of constant buffers per shader
  84  */
  85 #define SVGA_MAX_CONST_BUFS 14
  86
  87 /**
  88  * Maximum constant buffer size that can be set in the
  89  * DXSetSingleConstantBuffer command is
  90  * DX10 constant buffer element count * 4 4-bytes components
  91  */
  92 #define SVGA_MAX_CONST_BUF_SIZE (4096 * 4 * sizeof(int))
  93
  94 #define CONST0_UPLOAD_ALIGNMENT 256
  95
  96 struct draw_vertex_shader;
  97 struct draw_fragment_shader;
  98 struct svga_shader_variant;
  99 struct SVGACmdMemory;
 100 struct util_bitmask;
 101
 102
 103 struct svga_cache_context;
 104 struct svga_tracked_state;
 105
 106 struct svga_blend_state {
 107    unsigned need_white_fragments:1;
 108    unsigned independent_blend_enable:1;
 109    unsigned alpha_to_coverage:1;
 110    unsigned alpha_to_one:1;
 111    unsigned blend_color_alpha:1;  /**< set blend color to alpha value */
 112
 113    /** Per-render target state */
 114    struct {
 115       uint8_t writemask;
 116
 117       boolean blend_enable;
 118       uint8_t srcblend;
 119       uint8_t dstblend;
 120       uint8_t blendeq;
 121
 122       boolean separate_alpha_blend_enable;
 123       uint8_t srcblend_alpha;
 124       uint8_t dstblend_alpha;
 125       uint8_t blendeq_alpha;
 126    } rt[PIPE_MAX_COLOR_BUFS];
 127
 128    SVGA3dBlendStateId id;  /**< vgpu10 */
 129 };
 130
 131 struct svga_depth_stencil_state {
 132    unsigned zfunc:8;
 133    unsigned zenable:1;
 134    unsigned zwriteenable:1;
 135
 136    unsigned alphatestenable:1;
 137    unsigned alphafunc:8;
 138
 139    struct {
 140       unsigned enabled:1;
 141       unsigned func:8;
 142       unsigned fail:8;
 143       unsigned zfail:8;
 144       unsigned pass:8;
 145    } stencil[2];
 146
 147    /* SVGA3D has one ref/mask/writemask triple shared between front &
 148     * back face stencil.  We really need two:
 149     */
 150    unsigned stencil_mask:8;
 151    unsigned stencil_writemask:8;
 152
 153    float    alpharef;
 154
 155    SVGA3dDepthStencilStateId id;  /**< vgpu10 */
 156 };
 157
 158 #define SVGA_UNFILLED_DISABLE 0
 159 #define SVGA_UNFILLED_LINE    1
 160 #define SVGA_UNFILLED_POINT   2
 161
 162 #define SVGA_PIPELINE_FLAG_POINTS   (1<<PIPE_PRIM_POINTS)
 163 #define SVGA_PIPELINE_FLAG_LINES    (1<<PIPE_PRIM_LINES)
 164 #define SVGA_PIPELINE_FLAG_TRIS     (1<<PIPE_PRIM_TRIANGLES)
 165
 166 struct svga_rasterizer_state {
 167    struct pipe_rasterizer_state templ; /* needed for draw module */
 168
 169    unsigned shademode:8;
 170    unsigned cullmode:8;
 171    unsigned scissortestenable:1;
 172    unsigned multisampleantialias:1;
 173    unsigned antialiasedlineenable:1;
 174    unsigned lastpixel:1;
 175    unsigned pointsprite:1;
 176
 177    unsigned linepattern;
 178
 179    float slopescaledepthbias;
 180    float depthbias;
 181    float pointsize;
 182    float linewidth;
 183
 184    unsigned hw_fillmode:2;         /* PIPE_POLYGON_MODE_x */
 185
 186    /** Which prims do we need help for?  Bitmask of (1 << PIPE_PRIM_x) flags */
 187    unsigned need_pipeline:16;
 188
 189    SVGA3dRasterizerStateId id;    /**< vgpu10 */
 190
 191    /** For debugging: */
 192    const char* need_pipeline_tris_str;
 193    const char* need_pipeline_lines_str;
 194    const char* need_pipeline_points_str;
 195 };
 196
 197 struct svga_sampler_state {
 198    unsigned mipfilter;
 199    unsigned magfilter;
 200    unsigned minfilter;
 201    unsigned aniso_level;
 202    float lod_bias;
 203    unsigned addressu;
 204    unsigned addressv;
 205    unsigned addressw;
 206    unsigned bordercolor;
 207    unsigned normalized_coords:1;
 208    unsigned compare_mode:1;
 209    unsigned compare_func:3;
 210
 211    unsigned min_lod;
 212    unsigned view_min_lod;
 213    unsigned view_max_lod;
 214
 215    SVGA3dSamplerId id[2];
 216 };
 217
 218
 219 struct svga_pipe_sampler_view
 220 {
 221    struct pipe_sampler_view base;
 222
 223    SVGA3dShaderResourceViewId id;
 224 };
 225
 226
 227 static inline struct svga_pipe_sampler_view *
 228 svga_pipe_sampler_view(struct pipe_sampler_view *v)
 229 {
 230    return (struct svga_pipe_sampler_view *) v;
 231 }
 232
 233
 234 struct svga_velems_state {
 235    unsigned count;
 236    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 237    SVGA3dDeclType decl_type[PIPE_MAX_ATTRIBS]; /**< vertex attrib formats */
 238
 239    /** Bitmasks indicating which attributes need format conversion */
 240    unsigned adjust_attrib_range;     /**< range adjustment */
 241    unsigned attrib_is_pure_int;      /**< pure int */
 242    unsigned adjust_attrib_w_1;       /**< set w = 1 */
 243    unsigned adjust_attrib_itof;      /**< int->float */
 244    unsigned adjust_attrib_utof;      /**< uint->float */
 245    unsigned attrib_is_bgra;          /**< R / B swizzling */
 246    unsigned attrib_puint_to_snorm;   /**< 10_10_10_2 packed uint -> snorm */
 247    unsigned attrib_puint_to_uscaled; /**< 10_10_10_2 packed uint -> uscaled */
 248    unsigned attrib_puint_to_sscaled; /**< 10_10_10_2 packed uint -> sscaled */
 249
 250    boolean need_swvfetch;
 251
 252    SVGA3dElementLayoutId id; /**< VGPU10 */
 253 };
 254
 255
 256 /* Use to calculate differences between state emitted to hardware and
 257  * current driver-calculated state.
 258  */
 259 struct svga_state
 260 {
 261    const struct svga_blend_state *blend;
 262    const struct svga_depth_stencil_state *depth;
 263    const struct svga_rasterizer_state *rast;
 264    const struct svga_sampler_state *sampler[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 265    const struct svga_velems_state *velems;
 266
 267    struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; /* or texture ID's? */
 268    struct svga_fragment_shader *fs;
 269    struct svga_vertex_shader *vs;
 270    struct svga_geometry_shader *user_gs; /* user-specified GS */
 271    struct svga_geometry_shader *gs;      /* derived GS */
 272
 273    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 274    /** Constant buffers for each shader.
 275     * The size should probably always match with that of
 276     * svga_shader_emitter_v10.num_shader_consts.
 277     */
 278    struct pipe_constant_buffer constbufs[PIPE_SHADER_TYPES][SVGA_MAX_CONST_BUFS];
 279
 280    struct pipe_framebuffer_state framebuffer;
 281    float depthscale;
 282
 283    /* Hack to limit the number of different render targets between
 284     * flushes.  Helps avoid blowing out our surface cache in EXA.
 285     */
 286    int nr_fbs;
 287
 288    struct pipe_poly_stipple poly_stipple;
 289    struct pipe_scissor_state scissor;
 290    struct pipe_blend_color blend_color;
 291    struct pipe_stencil_ref stencil_ref;
 292    struct pipe_clip_state clip;
 293    struct pipe_viewport_state viewport;
 294
 295    unsigned num_samplers[PIPE_SHADER_TYPES];
 296    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 297    unsigned num_vertex_buffers;
 298    enum pipe_prim_type reduced_prim;
 299
 300    struct {
 301       unsigned flag_1d;
 302       unsigned flag_srgb;
 303    } tex_flags;
 304
 305    unsigned sample_mask;
 306 };
 307
 308 struct svga_prescale {
 309    float translate[4];
 310    float scale[4];
 311    boolean enabled;
 312 };
 313
 314
 315 /* Updated by calling svga_update_state( SVGA_STATE_HW_CLEAR )
 316  */
 317 struct svga_hw_clear_state
 318 {
 319    SVGA3dRect viewport;
 320
 321    struct {
 322       float zmin, zmax;
 323    } depthrange;
 324
 325    struct pipe_framebuffer_state framebuffer;
 326    struct svga_prescale prescale;
 327
 328    /* VGPU10 state */
 329    unsigned num_rendertargets;
 330    struct pipe_surface *rtv[SVGA3D_MAX_RENDER_TARGETS];
 331    struct pipe_surface *dsv;
 332 };
 333
 334 struct svga_hw_view_state
 335 {
 336    struct pipe_resource *texture;
 337    struct svga_sampler_view *v;
 338    unsigned min_lod;
 339    unsigned max_lod;
 340    boolean dirty;
 341 };
 342
 343 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
 344  */
 345 struct svga_hw_draw_state
 346 {
 347    /** VGPU9 rasterization state */
 348    unsigned rs[SVGA3D_RS_MAX];
 349    /** VGPU9 texture sampler and bindings state */
 350    unsigned ts[SVGA3D_PIXEL_SAMPLERREG_MAX][SVGA3D_TS_MAX];
 351
 352    /** VGPU9 texture views */
 353    unsigned num_views;
 354    unsigned num_backed_views; /* views with backing copy of texture */
 355    struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
 356
 357    /** VGPU9 constant buffer values */
 358    float cb[PIPE_SHADER_TYPES][SVGA3D_CONSTREG_MAX][4];
 359
 360    /** Currently bound shaders */
 361    struct svga_shader_variant *fs;
 362    struct svga_shader_variant *vs;
 363    struct svga_shader_variant *gs;
 364
 365    /** Currently bound constant buffer, per shader stage */
 366    struct pipe_resource *constbuf[PIPE_SHADER_TYPES];
 367
 368    /** Bitmask of enabled constant buffers */
 369    unsigned enabled_constbufs[PIPE_SHADER_TYPES];
 370
 371    /**
 372     * These are used to reduce the number of times we call u_upload_unmap()
 373     * while updating the zero-th/default VGPU10 constant buffer.
 374     */
 375    struct pipe_resource *const0_buffer;
 376    struct svga_winsys_surface *const0_handle;
 377
 378    /** VGPU10 HW state (used to prevent emitting redundant state) */
 379    SVGA3dDepthStencilStateId depth_stencil_id;
 380    unsigned stencil_ref;
 381    SVGA3dBlendStateId blend_id;
 382    float blend_factor[4];
 383    unsigned blend_sample_mask;
 384    SVGA3dRasterizerStateId rasterizer_id;
 385    SVGA3dElementLayoutId layout_id;
 386    SVGA3dPrimitiveType topology;
 387
 388    /** Vertex buffer state */
 389    SVGA3dVertexBuffer vbuffer_attrs[PIPE_MAX_ATTRIBS];
 390    struct pipe_resource *vbuffers[PIPE_MAX_ATTRIBS];
 391    unsigned num_vbuffers;
 392
 393    struct pipe_resource *ib;  /**< index buffer for drawing */
 394    SVGA3dSurfaceFormat ib_format;
 395    unsigned ib_offset;
 396
 397    unsigned num_samplers[PIPE_SHADER_TYPES];
 398    SVGA3dSamplerId samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 399
 400    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 401    struct pipe_sampler_view
 402       *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 403
 404    /* used for rebinding */
 405    unsigned default_constbuf_size[PIPE_SHADER_TYPES];
 406
 407    boolean rasterizer_discard; /* set if rasterization is disabled */
 408    boolean has_backed_views;   /* set if any of the rtv/dsv is a backed surface view */
 409 };
 410
 411
 412 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
 413  */
 414 struct svga_sw_state
 415 {
 416    /* which parts we need */
 417    boolean need_swvfetch;
 418    boolean need_pipeline;
 419    boolean need_swtnl;
 420
 421    /* Flag to make sure that need sw is on while
 422     * updating state within a swtnl call.
 423     */
 424    boolean in_swtnl_draw;
 425 };
 426
 427
 428 /* Queue some state updates (like rss) and submit them to hardware in
 429  * a single packet.
 430  */
 431 struct svga_hw_queue;
 432
 433 struct svga_query;
 434 struct svga_qmem_alloc_entry;
 435
 436 struct svga_context
 437 {
 438    struct pipe_context pipe;
 439    struct svga_winsys_context *swc;
 440    struct blitter_context *blitter;
 441    struct u_upload_mgr *const0_upload;
 442    struct u_upload_mgr *tex_upload;
 443
 444    struct {
 445       boolean no_swtnl;
 446       boolean force_swtnl;
 447       boolean use_min_mipmap;
 448
 449       /* incremented for each shader */
 450       unsigned shader_id;
 451
 452       boolean no_line_width;
 453       boolean force_hw_line_stipple;
 454
 455       /** To report perf/conformance/etc issues to the state tracker */
 456       struct pipe_debug_callback callback;
 457    } debug;
 458
 459    struct {
 460       struct draw_context *draw;
 461       struct vbuf_render *backend;
 462       unsigned hw_prim;
 463       boolean new_vbuf;
 464       boolean new_vdecl;
 465    } swtnl;
 466
 467    /* Bitmask of blend state objects IDs */
 468    struct util_bitmask *blend_object_id_bm;
 469
 470    /* Bitmask of depth/stencil state objects IDs */
 471    struct util_bitmask *ds_object_id_bm;
 472
 473    /* Bitmaks of input element object IDs */
 474    struct util_bitmask *input_element_object_id_bm;
 475
 476    /* Bitmask of rasterizer object IDs */
 477    struct util_bitmask *rast_object_id_bm;
 478
 479    /* Bitmask of sampler state objects IDs */
 480    struct util_bitmask *sampler_object_id_bm;
 481
 482    /* Bitmask of sampler view IDs */
 483    struct util_bitmask *sampler_view_id_bm;
 484
 485    /* Bitmask of used shader IDs */
 486    struct util_bitmask *shader_id_bm;
 487
 488    /* Bitmask of used surface view IDs */
 489    struct util_bitmask *surface_view_id_bm;
 490
 491    /* Bitmask of used stream output IDs */
 492    struct util_bitmask *stream_output_id_bm;
 493
 494    /* Bitmask of used query IDs */
 495    struct util_bitmask *query_id_bm;
 496
 497    struct {
 498       unsigned dirty[SVGA_STATE_MAX];
 499
 500       /** bitmasks of which const buffers are changed */
 501       unsigned dirty_constbufs[PIPE_SHADER_TYPES];
 502
 503       unsigned texture_timestamp;
 504
 505       struct svga_sw_state          sw;
 506       struct svga_hw_draw_state     hw_draw;
 507       struct svga_hw_clear_state    hw_clear;
 508    } state;
 509
 510    struct svga_state curr;      /* state from the state tracker */
 511    unsigned dirty;              /* statechanges since last update_state() */
 512
 513    union {
 514       struct {
 515          unsigned rendertargets:1;
 516          unsigned texture_samplers:1;
 517          unsigned constbufs:1;
 518          unsigned vs:1;
 519          unsigned fs:1;
 520          unsigned gs:1;
 521          unsigned query:1;
 522       } flags;
 523       unsigned val;
 524    } rebind;
 525
 526    struct svga_hwtnl *hwtnl;
 527
 528    /** Queries states */
 529    struct svga_winsys_gb_query *gb_query;     /**< gb query object, one per context */
 530    unsigned gb_query_len;                     /**< gb query object size */
 531    struct util_bitmask *gb_query_alloc_mask;  /**< gb query object allocation mask */
 532    struct svga_qmem_alloc_entry *gb_query_map[SVGA_QUERY_MAX];
 533                                               /**< query mem block mapping */
 534    struct svga_query *sq[SVGA_QUERY_MAX];     /**< queries currently in progress */
 535
 536    /** List of buffers with queued transfers */
 537    struct list_head dirty_buffers;
 538
 539    /** performance / info queries for HUD */
 540    struct {
 541       uint64_t num_draw_calls;          /**< SVGA_QUERY_DRAW_CALLS */
 542       uint64_t num_fallbacks;           /**< SVGA_QUERY_NUM_FALLBACKS */
 543       uint64_t num_flushes;             /**< SVGA_QUERY_NUM_FLUSHES */
 544       uint64_t num_validations;         /**< SVGA_QUERY_NUM_VALIDATIONS */
 545       uint64_t map_buffer_time;         /**< SVGA_QUERY_MAP_BUFFER_TIME */
 546       uint64_t num_buffers_mapped;      /**< SVGA_QUERY_NUM_BUFFERS_MAPPED */
 547       uint64_t num_textures_mapped;     /**< SVGA_QUERY_NUM_TEXTURES_MAPPED */
 548       uint64_t command_buffer_size;     /**< SVGA_QUERY_COMMAND_BUFFER_SIZE */
 549       uint64_t flush_time;              /**< SVGA_QUERY_FLUSH_TIME */
 550       uint64_t surface_write_flushes;   /**< SVGA_QUERY_SURFACE_WRITE_FLUSHES */
 551       uint64_t num_readbacks;           /**< SVGA_QUERY_NUM_READBACKS */
 552       uint64_t num_resource_updates;    /**< SVGA_QUERY_NUM_RESOURCE_UPDATES */
 553       uint64_t num_buffer_uploads;      /**< SVGA_QUERY_NUM_BUFFER_UPLOADS */
 554       uint64_t num_const_buf_updates;   /**< SVGA_QUERY_NUM_CONST_BUF_UPDATES */
 555       uint64_t num_const_updates;       /**< SVGA_QUERY_NUM_CONST_UPDATES */
 556       uint64_t num_shaders;             /**< SVGA_QUERY_NUM_SHADERS */
 557
 558       /** The following are summed for SVGA_QUERY_NUM_STATE_OBJECTS */
 559       uint64_t num_blend_objects;
 560       uint64_t num_depthstencil_objects;
 561       uint64_t num_rasterizer_objects;
 562       uint64_t num_sampler_objects;
 563       uint64_t num_samplerview_objects;
 564       uint64_t num_vertexelement_objects;
 565
 566       uint64_t num_surface_views;       /**< SVGA_QUERY_NUM_SURFACE_VIEWS */
 567       uint64_t num_bytes_uploaded;      /**< SVGA_QUERY_NUM_BYTES_UPLOADED */
 568       uint64_t num_generate_mipmap;     /**< SVGA_QUERY_NUM_GENERATE_MIPMAP */
 569
 570       boolean uses_time;                /**< os_time_get() calls needed? */
 571    } hud;
 572
 573    /** The currently bound stream output targets */
 574    unsigned num_so_targets;
 575    struct svga_winsys_surface *so_surfaces[SVGA3D_DX_MAX_SOTARGETS];
 576    struct pipe_stream_output_target *so_targets[SVGA3D_DX_MAX_SOTARGETS];
 577    struct svga_stream_output *current_so;
 578
 579    /** A blend state with blending disabled, for falling back to when blending
 580     * is illegal (e.g. an integer texture is bound)
 581     */
 582    struct svga_blend_state *noop_blend;
 583
 584    struct {
 585       struct pipe_resource *texture;
 586       struct svga_pipe_sampler_view *sampler_view;
 587       void *sampler;
 588    } polygon_stipple;
 589
 590    /** Alternate rasterizer states created for point sprite */
 591    struct svga_rasterizer_state *rasterizer_no_cull[2];
 592
 593    /** Depth stencil state created to disable depth stencil test */
 594    struct svga_depth_stencil_state *depthstencil_disable;
 595
 596    /** Current conditional rendering predicate */
 597    struct {
 598       SVGA3dQueryId query_id;
 599       boolean cond;
 600    } pred;
 601
 602    boolean render_condition;
 603    boolean disable_rasterizer; /* Set if to disable rasterization */
 604 };
 605
 606 /* A flag for each state_tracker state object:
 607  */
 608 #define SVGA_NEW_BLEND               0x1
 609 #define SVGA_NEW_DEPTH_STENCIL_ALPHA 0x2
 610 #define SVGA_NEW_RAST                0x4
 611 #define SVGA_NEW_SAMPLER             0x8
 612 #define SVGA_NEW_TEXTURE             0x10
 613 #define SVGA_NEW_VBUFFER             0x20
 614 #define SVGA_NEW_VELEMENT            0x40
 615 #define SVGA_NEW_FS                  0x80
 616 #define SVGA_NEW_VS                  0x100
 617 #define SVGA_NEW_FS_CONST_BUFFER     0x200
 618 #define SVGA_NEW_VS_CONST_BUFFER     0x400
 619 #define SVGA_NEW_FRAME_BUFFER        0x800
 620 #define SVGA_NEW_STIPPLE             0x1000
 621 #define SVGA_NEW_SCISSOR             0x2000
 622 #define SVGA_NEW_BLEND_COLOR         0x4000
 623 #define SVGA_NEW_CLIP                0x8000
 624 #define SVGA_NEW_VIEWPORT            0x10000
 625 #define SVGA_NEW_PRESCALE            0x20000
 626 #define SVGA_NEW_REDUCED_PRIMITIVE   0x40000
 627 #define SVGA_NEW_TEXTURE_BINDING     0x80000
 628 #define SVGA_NEW_NEED_PIPELINE       0x100000
 629 #define SVGA_NEW_NEED_SWVFETCH       0x200000
 630 #define SVGA_NEW_NEED_SWTNL          0x400000
 631 #define SVGA_NEW_FS_VARIANT          0x800000
 632 #define SVGA_NEW_VS_VARIANT          0x1000000
 633 #define SVGA_NEW_TEXTURE_FLAGS       0x4000000
 634 #define SVGA_NEW_STENCIL_REF         0x8000000
 635 #define SVGA_NEW_GS                  0x10000000
 636 #define SVGA_NEW_GS_CONST_BUFFER     0x20000000
 637 #define SVGA_NEW_GS_VARIANT          0x40000000
 638 #define SVGA_NEW_TEXTURE_CONSTS      0x80000000
 639
 640
 641 void svga_init_state_functions( struct svga_context *svga );
 642 void svga_init_flush_functions( struct svga_context *svga );
 643 void svga_init_string_functions( struct svga_context *svga );
 644 void svga_init_blit_functions(struct svga_context *svga);
 645
 646 void svga_init_blend_functions( struct svga_context *svga );
 647 void svga_init_depth_stencil_functions( struct svga_context *svga );
 648 void svga_init_misc_functions( struct svga_context *svga );
 649 void svga_init_rasterizer_functions( struct svga_context *svga );
 650 void svga_init_sampler_functions( struct svga_context *svga );
 651 void svga_init_fs_functions( struct svga_context *svga );
 652 void svga_init_vs_functions( struct svga_context *svga );
 653 void svga_init_gs_functions( struct svga_context *svga );
 654 void svga_init_vertex_functions( struct svga_context *svga );
 655 void svga_init_constbuffer_functions( struct svga_context *svga );
 656 void svga_init_draw_functions( struct svga_context *svga );
 657 void svga_init_query_functions( struct svga_context *svga );
 658 void svga_init_surface_functions(struct svga_context *svga);
 659 void svga_init_stream_output_functions( struct svga_context *svga );
 660 void svga_init_clear_functions( struct svga_context *svga );
 661
 662 void svga_cleanup_vertex_state( struct svga_context *svga );
 663 void svga_cleanup_sampler_state( struct svga_context *svga );
 664 void svga_cleanup_tss_binding( struct svga_context *svga );
 665 void svga_cleanup_framebuffer( struct svga_context *svga );
 666
 667 void svga_context_flush( struct svga_context *svga,
 668                          struct pipe_fence_handle **pfence );
 669
 670 void svga_context_finish(struct svga_context *svga);
 671
 672 void svga_hwtnl_flush_retry( struct svga_context *svga );
 673 void svga_hwtnl_flush_buffer( struct svga_context *svga,
 674                               struct pipe_resource *buffer );
 675
 676 void svga_surfaces_flush(struct svga_context *svga);
 677
 678 struct pipe_context *
 679 svga_context_create(struct pipe_screen *screen,
 680                     void *priv, unsigned flags);
 681
 682 void svga_toggle_render_condition(struct svga_context *svga,
 683                                   boolean render_condition_enabled,
 684                                   boolean on);
 685
 686 /***********************************************************************
 687  * Inline conversion functions.  These are better-typed than the
 688  * macros used previously:
 689  */
 690 static inline struct svga_context *
 691 svga_context( struct pipe_context *pipe )
 692 {
 693    return (struct svga_context *)pipe;
 694 }
 695
 696 static inline struct svga_winsys_screen *
 697 svga_sws(struct svga_context *svga)
 698 {
 699    return svga_screen(svga->pipe.screen)->sws;
 700 }
 701
 702 static inline boolean
 703 svga_have_gb_objects(const struct svga_context *svga)
 704 {
 705    return svga_screen(svga->pipe.screen)->sws->have_gb_objects;
 706 }
 707
 708 static inline boolean
 709 svga_have_gb_dma(const struct svga_context *svga)
 710 {
 711    return svga_screen(svga->pipe.screen)->sws->have_gb_dma;
 712 }
 713
 714 static inline boolean
 715 svga_have_vgpu10(const struct svga_context *svga)
 716 {
 717    return svga_screen(svga->pipe.screen)->sws->have_vgpu10;
 718 }
 719
 720 static inline boolean
 721 svga_have_sm4_1(const struct svga_context *svga)
 722 {
 723    return svga_screen(svga->pipe.screen)->sws->have_sm4_1;
 724 }
 725
 726 static inline boolean
 727 svga_need_to_rebind_resources(const struct svga_context *svga)
 728 {
 729    return svga_screen(svga->pipe.screen)->sws->need_to_rebind_resources;
 730 }
 731
 732 static inline boolean
 733 svga_rects_equal(const SVGA3dRect *r1, const SVGA3dRect *r2)
 734 {
 735    return memcmp(r1, r2, sizeof(*r1)) == 0;
 736 }
 737
 738 /**
 739  * If the Gallium HUD is enabled, this will return the current time.
 740  * Otherwise, just return zero.
 741  */
 742 static inline int64_t
 743 svga_get_time(struct svga_context *svga)
 744 {
 745    return svga->hud.uses_time ? os_time_get() : 0;
 746 }
 747
 748
 749 #endif