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 "os/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 /* per-frame counters */
  50 #define SVGA_QUERY_NUM_DRAW_CALLS          (PIPE_QUERY_DRIVER_SPECIFIC + 0)
  51 #define SVGA_QUERY_NUM_FALLBACKS           (PIPE_QUERY_DRIVER_SPECIFIC + 1)
  52 #define SVGA_QUERY_NUM_FLUSHES             (PIPE_QUERY_DRIVER_SPECIFIC + 2)
  53 #define SVGA_QUERY_NUM_VALIDATIONS         (PIPE_QUERY_DRIVER_SPECIFIC + 3)
  54 #define SVGA_QUERY_MAP_BUFFER_TIME         (PIPE_QUERY_DRIVER_SPECIFIC + 4)
  55 #define SVGA_QUERY_NUM_RESOURCES_MAPPED    (PIPE_QUERY_DRIVER_SPECIFIC + 5)
  56 #define SVGA_QUERY_NUM_BYTES_UPLOADED      (PIPE_QUERY_DRIVER_SPECIFIC + 6)
  57 #define SVGA_QUERY_COMMAND_BUFFER_SIZE     (PIPE_QUERY_DRIVER_SPECIFIC + 7)
  58 #define SVGA_QUERY_FLUSH_TIME              (PIPE_QUERY_DRIVER_SPECIFIC + 8)
  59 #define SVGA_QUERY_SURFACE_WRITE_FLUSHES   (PIPE_QUERY_DRIVER_SPECIFIC + 9)
  60 #define SVGA_QUERY_NUM_READBACKS           (PIPE_QUERY_DRIVER_SPECIFIC + 10)
  61 #define SVGA_QUERY_NUM_RESOURCE_UPDATES    (PIPE_QUERY_DRIVER_SPECIFIC + 11)
  62 #define SVGA_QUERY_NUM_BUFFER_UPLOADS      (PIPE_QUERY_DRIVER_SPECIFIC + 12)
  63 #define SVGA_QUERY_NUM_CONST_BUF_UPDATES   (PIPE_QUERY_DRIVER_SPECIFIC + 13)
  64 #define SVGA_QUERY_NUM_CONST_UPDATES       (PIPE_QUERY_DRIVER_SPECIFIC + 14)
  65
  66 /* running total counters */
  67 #define SVGA_QUERY_MEMORY_USED             (PIPE_QUERY_DRIVER_SPECIFIC + 15)
  68 #define SVGA_QUERY_NUM_SHADERS             (PIPE_QUERY_DRIVER_SPECIFIC + 16)
  69 #define SVGA_QUERY_NUM_RESOURCES           (PIPE_QUERY_DRIVER_SPECIFIC + 17)
  70 #define SVGA_QUERY_NUM_STATE_OBJECTS       (PIPE_QUERY_DRIVER_SPECIFIC + 18)
  71 #define SVGA_QUERY_NUM_SURFACE_VIEWS       (PIPE_QUERY_DRIVER_SPECIFIC + 19)
  72 #define SVGA_QUERY_NUM_GENERATE_MIPMAP     (PIPE_QUERY_DRIVER_SPECIFIC + 20)
  73 /*SVGA_QUERY_MAX has to be last because it is size of an array*/
  74 #define SVGA_QUERY_MAX                     (PIPE_QUERY_DRIVER_SPECIFIC + 21)
  75
  76 /**
  77  * Maximum supported number of constant buffers per shader
  78  */
  79 #define SVGA_MAX_CONST_BUFS 14
  80
  81 /**
  82  * Maximum constant buffer size that can be set in the
  83  * DXSetSingleConstantBuffer command is
  84  * DX10 constant buffer element count * 4 4-bytes components
  85  */
  86 #define SVGA_MAX_CONST_BUF_SIZE (4096 * 4 * sizeof(int))
  87
  88 #define CONST0_UPLOAD_ALIGNMENT 256
  89
  90 struct draw_vertex_shader;
  91 struct draw_fragment_shader;
  92 struct svga_shader_variant;
  93 struct SVGACmdMemory;
  94 struct util_bitmask;
  95
  96
  97 struct svga_cache_context;
  98 struct svga_tracked_state;
  99
 100 struct svga_blend_state {
 101    unsigned need_white_fragments:1;
 102    unsigned independent_blend_enable:1;
 103    unsigned alpha_to_coverage:1;
 104    unsigned blend_color_alpha:1;  /**< set blend color to alpha value */
 105
 106    /** Per-render target state */
 107    struct {
 108       uint8_t writemask;
 109
 110       boolean blend_enable;
 111       uint8_t srcblend;
 112       uint8_t dstblend;
 113       uint8_t blendeq;
 114
 115       boolean separate_alpha_blend_enable;
 116       uint8_t srcblend_alpha;
 117       uint8_t dstblend_alpha;
 118       uint8_t blendeq_alpha;
 119    } rt[PIPE_MAX_COLOR_BUFS];
 120
 121    SVGA3dBlendStateId id;  /**< vgpu10 */
 122 };
 123
 124 struct svga_depth_stencil_state {
 125    unsigned zfunc:8;
 126    unsigned zenable:1;
 127    unsigned zwriteenable:1;
 128
 129    unsigned alphatestenable:1;
 130    unsigned alphafunc:8;
 131
 132    struct {
 133       unsigned enabled:1;
 134       unsigned func:8;
 135       unsigned fail:8;
 136       unsigned zfail:8;
 137       unsigned pass:8;
 138    } stencil[2];
 139
 140    /* SVGA3D has one ref/mask/writemask triple shared between front &
 141     * back face stencil.  We really need two:
 142     */
 143    unsigned stencil_mask:8;
 144    unsigned stencil_writemask:8;
 145
 146    float    alpharef;
 147
 148    SVGA3dDepthStencilStateId id;  /**< vgpu10 */
 149 };
 150
 151 #define SVGA_UNFILLED_DISABLE 0
 152 #define SVGA_UNFILLED_LINE    1
 153 #define SVGA_UNFILLED_POINT   2
 154
 155 #define SVGA_PIPELINE_FLAG_POINTS   (1<<PIPE_PRIM_POINTS)
 156 #define SVGA_PIPELINE_FLAG_LINES    (1<<PIPE_PRIM_LINES)
 157 #define SVGA_PIPELINE_FLAG_TRIS     (1<<PIPE_PRIM_TRIANGLES)
 158
 159 struct svga_rasterizer_state {
 160    struct pipe_rasterizer_state templ; /* needed for draw module */
 161
 162    unsigned shademode:8;
 163    unsigned cullmode:8;
 164    unsigned scissortestenable:1;
 165    unsigned multisampleantialias:1;
 166    unsigned antialiasedlineenable:1;
 167    unsigned lastpixel:1;
 168    unsigned pointsprite:1;
 169
 170    unsigned linepattern;
 171
 172    float slopescaledepthbias;
 173    float depthbias;
 174    float pointsize;
 175    float linewidth;
 176
 177    unsigned hw_fillmode:2;         /* PIPE_POLYGON_MODE_x */
 178
 179    /** Which prims do we need help for?  Bitmask of (1 << PIPE_PRIM_x) flags */
 180    unsigned need_pipeline:16;
 181
 182    SVGA3dRasterizerStateId id;    /**< vgpu10 */
 183
 184    /** For debugging: */
 185    const char* need_pipeline_tris_str;
 186    const char* need_pipeline_lines_str;
 187    const char* need_pipeline_points_str;
 188 };
 189
 190 struct svga_sampler_state {
 191    unsigned mipfilter;
 192    unsigned magfilter;
 193    unsigned minfilter;
 194    unsigned aniso_level;
 195    float lod_bias;
 196    unsigned addressu;
 197    unsigned addressv;
 198    unsigned addressw;
 199    unsigned bordercolor;
 200    unsigned normalized_coords:1;
 201    unsigned compare_mode:1;
 202    unsigned compare_func:3;
 203
 204    unsigned min_lod;
 205    unsigned view_min_lod;
 206    unsigned view_max_lod;
 207
 208    SVGA3dSamplerId id;
 209 };
 210
 211
 212 struct svga_pipe_sampler_view
 213 {
 214    struct pipe_sampler_view base;
 215
 216    SVGA3dShaderResourceViewId id;
 217 };
 218
 219
 220 static inline struct svga_pipe_sampler_view *
 221 svga_pipe_sampler_view(struct pipe_sampler_view *v)
 222 {
 223    return (struct svga_pipe_sampler_view *) v;
 224 }
 225
 226
 227 struct svga_velems_state {
 228    unsigned count;
 229    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 230    SVGA3dDeclType decl_type[PIPE_MAX_ATTRIBS]; /**< vertex attrib formats */
 231
 232    /** Bitmasks indicating which attributes need format conversion */
 233    unsigned adjust_attrib_range;     /**< range adjustment */
 234    unsigned attrib_is_pure_int;      /**< pure int */
 235    unsigned adjust_attrib_w_1;       /**< set w = 1 */
 236    unsigned adjust_attrib_itof;      /**< int->float */
 237    unsigned adjust_attrib_utof;      /**< uint->float */
 238    unsigned attrib_is_bgra;          /**< R / B swizzling */
 239    unsigned attrib_puint_to_snorm;   /**< 10_10_10_2 packed uint -> snorm */
 240    unsigned attrib_puint_to_uscaled; /**< 10_10_10_2 packed uint -> uscaled */
 241    unsigned attrib_puint_to_sscaled; /**< 10_10_10_2 packed uint -> sscaled */
 242
 243    boolean need_swvfetch;
 244
 245    SVGA3dElementLayoutId id; /**< VGPU10 */
 246 };
 247
 248 /* Use to calculate differences between state emitted to hardware and
 249  * current driver-calculated state.
 250  */
 251 struct svga_state
 252 {
 253    const struct svga_blend_state *blend;
 254    const struct svga_depth_stencil_state *depth;
 255    const struct svga_rasterizer_state *rast;
 256    const struct svga_sampler_state *sampler[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 257    const struct svga_velems_state *velems;
 258
 259    struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; /* or texture ID's? */
 260    struct svga_fragment_shader *fs;
 261    struct svga_vertex_shader *vs;
 262    struct svga_geometry_shader *user_gs; /* user-specified GS */
 263    struct svga_geometry_shader *gs;      /* derived GS */
 264
 265    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 266    struct pipe_index_buffer ib;
 267    /** Constant buffers for each shader.
 268     * The size should probably always match with that of
 269     * svga_shader_emitter_v10.num_shader_consts.
 270     */
 271    struct pipe_constant_buffer constbufs[PIPE_SHADER_TYPES][SVGA_MAX_CONST_BUFS];
 272
 273    struct pipe_framebuffer_state framebuffer;
 274    float depthscale;
 275
 276    /* Hack to limit the number of different render targets between
 277     * flushes.  Helps avoid blowing out our surface cache in EXA.
 278     */
 279    int nr_fbs;
 280
 281    struct pipe_poly_stipple poly_stipple;
 282    struct pipe_scissor_state scissor;
 283    struct pipe_blend_color blend_color;
 284    struct pipe_stencil_ref stencil_ref;
 285    struct pipe_clip_state clip;
 286    struct pipe_viewport_state viewport;
 287
 288    unsigned num_samplers[PIPE_SHADER_TYPES];
 289    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 290    unsigned num_vertex_buffers;
 291    unsigned reduced_prim;
 292
 293    struct {
 294       unsigned flag_1d;
 295       unsigned flag_srgb;
 296       unsigned flag_rect;  /* sampler views with rectangular texture target */
 297       unsigned flag_buf;   /* sampler views with texture buffer target */
 298    } tex_flags;
 299
 300    unsigned sample_mask;
 301 };
 302
 303 struct svga_prescale {
 304    float translate[4];
 305    float scale[4];
 306    boolean enabled;
 307 };
 308
 309
 310 /* Updated by calling svga_update_state( SVGA_STATE_HW_CLEAR )
 311  */
 312 struct svga_hw_clear_state
 313 {
 314    SVGA3dRect viewport;
 315
 316    struct {
 317       float zmin, zmax;
 318    } depthrange;
 319
 320    struct pipe_framebuffer_state framebuffer;
 321    struct svga_prescale prescale;
 322 };
 323
 324 struct svga_hw_view_state
 325 {
 326    struct pipe_resource *texture;
 327    struct svga_sampler_view *v;
 328    unsigned min_lod;
 329    unsigned max_lod;
 330    boolean dirty;
 331 };
 332
 333 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
 334  */
 335 struct svga_hw_draw_state
 336 {
 337    /** VGPU9 rasterization state */
 338    unsigned rs[SVGA3D_RS_MAX];
 339    /** VGPU9 texture sampler and bindings state */
 340    unsigned ts[SVGA3D_PIXEL_SAMPLERREG_MAX][SVGA3D_TS_MAX];
 341    /** VGPU9 texture views */
 342    unsigned num_views;
 343    struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
 344    /** VGPU9 constant buffer values */
 345    float cb[PIPE_SHADER_TYPES][SVGA3D_CONSTREG_MAX][4];
 346
 347    /** Currently bound shaders */
 348    struct svga_shader_variant *fs;
 349    struct svga_shader_variant *vs;
 350    struct svga_shader_variant *gs;
 351
 352    /** Currently bound constant buffer, per shader stage */
 353    struct pipe_resource *constbuf[PIPE_SHADER_TYPES];
 354
 355    /** Bitmask of enabled constant buffers */
 356    unsigned enabled_constbufs[PIPE_SHADER_TYPES];
 357
 358    /** VGPU10 HW state (used to prevent emitting redundant state) */
 359    SVGA3dDepthStencilStateId depth_stencil_id;
 360    unsigned stencil_ref;
 361    SVGA3dBlendStateId blend_id;
 362    float blend_factor[4];
 363    unsigned blend_sample_mask;
 364    SVGA3dRasterizerStateId rasterizer_id;
 365    SVGA3dElementLayoutId layout_id;
 366    SVGA3dPrimitiveType topology;
 367
 368    /** Vertex buffer state */
 369    SVGA3dVertexBuffer vbuffer_attrs[PIPE_MAX_ATTRIBS];
 370    struct pipe_resource *vbuffers[PIPE_MAX_ATTRIBS];
 371    unsigned num_vbuffers;
 372
 373    struct pipe_resource *ib;  /**< index buffer for drawing */
 374    SVGA3dSurfaceFormat ib_format;
 375    unsigned ib_offset;
 376
 377    unsigned num_samplers[PIPE_SHADER_TYPES];
 378    SVGA3dSamplerId samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 379
 380    unsigned num_rendertargets;
 381    struct pipe_surface *rtv[SVGA3D_MAX_RENDER_TARGETS];
 382    struct pipe_surface *dsv;
 383
 384    /* used for rebinding */
 385    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 386    unsigned default_constbuf_size[PIPE_SHADER_TYPES];
 387 };
 388
 389
 390 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
 391  */
 392 struct svga_sw_state
 393 {
 394    /* which parts we need */
 395    boolean need_swvfetch;
 396    boolean need_pipeline;
 397    boolean need_swtnl;
 398
 399    /* Flag to make sure that need sw is on while
 400     * updating state within a swtnl call.
 401     */
 402    boolean in_swtnl_draw;
 403 };
 404
 405
 406 /* Queue some state updates (like rss) and submit them to hardware in
 407  * a single packet.
 408  */
 409 struct svga_hw_queue;
 410
 411 struct svga_query;
 412 struct svga_qmem_alloc_entry;
 413
 414 struct svga_context
 415 {
 416    struct pipe_context pipe;
 417    struct svga_winsys_context *swc;
 418    struct blitter_context *blitter;
 419    struct u_upload_mgr *const0_upload;
 420
 421    struct {
 422       boolean no_swtnl;
 423       boolean force_swtnl;
 424       boolean use_min_mipmap;
 425
 426       /* incremented for each shader */
 427       unsigned shader_id;
 428
 429       unsigned disable_shader;
 430
 431       boolean no_line_width;
 432       boolean force_hw_line_stipple;
 433
 434       /** To report perf/conformance/etc issues to the state tracker */
 435       struct pipe_debug_callback callback;
 436    } debug;
 437
 438    struct {
 439       struct draw_context *draw;
 440       struct vbuf_render *backend;
 441       unsigned hw_prim;
 442       boolean new_vbuf;
 443       boolean new_vdecl;
 444    } swtnl;
 445
 446    /* Bitmask of blend state objects IDs */
 447    struct util_bitmask *blend_object_id_bm;
 448
 449    /* Bitmask of depth/stencil state objects IDs */
 450    struct util_bitmask *ds_object_id_bm;
 451
 452    /* Bitmaks of input element object IDs */
 453    struct util_bitmask *input_element_object_id_bm;
 454
 455    /* Bitmask of rasterizer object IDs */
 456    struct util_bitmask *rast_object_id_bm;
 457
 458    /* Bitmask of sampler state objects IDs */
 459    struct util_bitmask *sampler_object_id_bm;
 460
 461    /* Bitmask of sampler view IDs */
 462    struct util_bitmask *sampler_view_id_bm;
 463
 464    /* Bitmask of used shader IDs */
 465    struct util_bitmask *shader_id_bm;
 466
 467    /* Bitmask of used surface view IDs */
 468    struct util_bitmask *surface_view_id_bm;
 469
 470    /* Bitmask of used stream output IDs */
 471    struct util_bitmask *stream_output_id_bm;
 472
 473    /* Bitmask of used query IDs */
 474    struct util_bitmask *query_id_bm;
 475
 476    struct {
 477       unsigned dirty[SVGA_STATE_MAX];
 478
 479       /** bitmasks of which const buffers are changed */
 480       unsigned dirty_constbufs[PIPE_SHADER_TYPES];
 481
 482       unsigned texture_timestamp;
 483
 484       /*
 485        */
 486       struct svga_sw_state          sw;
 487       struct svga_hw_draw_state     hw_draw;
 488       struct svga_hw_clear_state    hw_clear;
 489    } state;
 490
 491    struct svga_state curr;      /* state from the state tracker */
 492    unsigned dirty;              /* statechanges since last update_state() */
 493
 494    union {
 495       struct {
 496          unsigned rendertargets:1;
 497          unsigned texture_samplers:1;
 498          unsigned constbufs:1;
 499          unsigned vs:1;
 500          unsigned fs:1;
 501          unsigned gs:1;
 502          unsigned query:1;
 503       } flags;
 504       unsigned val;
 505    } rebind;
 506
 507    struct svga_hwtnl *hwtnl;
 508
 509    /** Queries states */
 510    struct svga_winsys_gb_query *gb_query;     /**< gb query object, one per context */
 511    unsigned gb_query_len;                     /**< gb query object size */
 512    struct util_bitmask *gb_query_alloc_mask;  /**< gb query object allocation mask */
 513    struct svga_qmem_alloc_entry *gb_query_map[SVGA_QUERY_MAX];
 514                                               /**< query mem block mapping */
 515    struct svga_query *sq[SVGA_QUERY_MAX];     /**< queries currently in progress */
 516
 517    /** List of buffers with queued transfers */
 518    struct list_head dirty_buffers;
 519
 520    /** performance / info queries for HUD */
 521    struct {
 522       uint64_t num_draw_calls;          /**< SVGA_QUERY_DRAW_CALLS */
 523       uint64_t num_fallbacks;           /**< SVGA_QUERY_NUM_FALLBACKS */
 524       uint64_t num_flushes;             /**< SVGA_QUERY_NUM_FLUSHES */
 525       uint64_t num_validations;         /**< SVGA_QUERY_NUM_VALIDATIONS */
 526       uint64_t map_buffer_time;         /**< SVGA_QUERY_MAP_BUFFER_TIME */
 527       uint64_t num_resources_mapped;    /**< SVGA_QUERY_NUM_RESOURCES_MAPPED */
 528       uint64_t command_buffer_size;     /**< SVGA_QUERY_COMMAND_BUFFER_SIZE */
 529       uint64_t flush_time;              /**< SVGA_QUERY_FLUSH_TIME */
 530       uint64_t surface_write_flushes;   /**< SVGA_QUERY_SURFACE_WRITE_FLUSHES */
 531       uint64_t num_readbacks;           /**< SVGA_QUERY_NUM_READBACKS */
 532       uint64_t num_resource_updates;    /**< SVGA_QUERY_NUM_RESOURCE_UPDATES */
 533       uint64_t num_buffer_uploads;      /**< SVGA_QUERY_NUM_BUFFER_UPLOADS */
 534       uint64_t num_const_buf_updates;   /**< SVGA_QUERY_NUM_CONST_BUF_UPDATES */
 535       uint64_t num_const_updates;       /**< SVGA_QUERY_NUM_CONST_UPDATES */
 536       uint64_t num_shaders;             /**< SVGA_QUERY_NUM_SHADERS */
 537
 538       /** The following are summed for SVGA_QUERY_NUM_STATE_OBJECTS */
 539       uint64_t num_blend_objects;
 540       uint64_t num_depthstencil_objects;
 541       uint64_t num_rasterizer_objects;
 542       uint64_t num_sampler_objects;
 543       uint64_t num_samplerview_objects;
 544       uint64_t num_vertexelement_objects;
 545
 546       uint64_t num_surface_views;       /**< SVGA_QUERY_NUM_SURFACE_VIEWS */
 547       uint64_t num_bytes_uploaded;      /**< SVGA_QUERY_NUM_BYTES_UPLOADED */
 548       uint64_t num_generate_mipmap;     /**< SVGA_QUERY_NUM_GENERATE_MIPMAP */
 549
 550       boolean uses_time;                /**< os_time_get() calls needed? */
 551    } hud;
 552
 553    /** The currently bound stream output targets */
 554    unsigned num_so_targets;
 555    struct svga_winsys_surface *so_surfaces[SVGA3D_DX_MAX_SOTARGETS];
 556    struct pipe_stream_output_target *so_targets[SVGA3D_DX_MAX_SOTARGETS];
 557    struct svga_stream_output *current_so;
 558
 559    /** A blend state with blending disabled, for falling back to when blending
 560     * is illegal (e.g. an integer texture is bound)
 561     */
 562    struct svga_blend_state *noop_blend;
 563
 564    struct {
 565       struct pipe_resource *texture;
 566       struct svga_pipe_sampler_view *sampler_view;
 567       void *sampler;
 568    } polygon_stipple;
 569
 570    /** Alternate rasterizer states created for point sprite */
 571    struct svga_rasterizer_state *rasterizer_no_cull[2];
 572 };
 573
 574 /* A flag for each state_tracker state object:
 575  */
 576 #define SVGA_NEW_BLEND               0x1
 577 #define SVGA_NEW_DEPTH_STENCIL_ALPHA 0x2
 578 #define SVGA_NEW_RAST                0x4
 579 #define SVGA_NEW_SAMPLER             0x8
 580 #define SVGA_NEW_TEXTURE             0x10
 581 #define SVGA_NEW_VBUFFER             0x20
 582 #define SVGA_NEW_VELEMENT            0x40
 583 #define SVGA_NEW_FS                  0x80
 584 #define SVGA_NEW_VS                  0x100
 585 #define SVGA_NEW_FS_CONST_BUFFER     0x200
 586 #define SVGA_NEW_VS_CONST_BUFFER     0x400
 587 #define SVGA_NEW_FRAME_BUFFER        0x800
 588 #define SVGA_NEW_STIPPLE             0x1000
 589 #define SVGA_NEW_SCISSOR             0x2000
 590 #define SVGA_NEW_BLEND_COLOR         0x4000
 591 #define SVGA_NEW_CLIP                0x8000
 592 #define SVGA_NEW_VIEWPORT            0x10000
 593 #define SVGA_NEW_PRESCALE            0x20000
 594 #define SVGA_NEW_REDUCED_PRIMITIVE   0x40000
 595 #define SVGA_NEW_TEXTURE_BINDING     0x80000
 596 #define SVGA_NEW_NEED_PIPELINE       0x100000
 597 #define SVGA_NEW_NEED_SWVFETCH       0x200000
 598 #define SVGA_NEW_NEED_SWTNL          0x400000
 599 #define SVGA_NEW_FS_VARIANT          0x800000
 600 #define SVGA_NEW_VS_VARIANT          0x1000000
 601 #define SVGA_NEW_TEXTURE_FLAGS       0x4000000
 602 #define SVGA_NEW_STENCIL_REF         0x8000000
 603 #define SVGA_NEW_GS                  0x10000000
 604 #define SVGA_NEW_GS_CONST_BUFFER     0x20000000
 605 #define SVGA_NEW_GS_VARIANT          0x40000000
 606 #define SVGA_NEW_TEXTURE_CONSTS      0x80000000
 607
 608
 609
 610
 611
 612 /***********************************************************************
 613  * svga_screen_texture.c:
 614  */
 615 void svga_mark_surfaces_dirty(struct svga_context *svga);
 616
 617
 618
 619
 620 void svga_init_state_functions( struct svga_context *svga );
 621 void svga_init_flush_functions( struct svga_context *svga );
 622 void svga_init_string_functions( struct svga_context *svga );
 623 void svga_init_blit_functions(struct svga_context *svga);
 624
 625 void svga_init_blend_functions( struct svga_context *svga );
 626 void svga_init_depth_stencil_functions( struct svga_context *svga );
 627 void svga_init_misc_functions( struct svga_context *svga );
 628 void svga_init_rasterizer_functions( struct svga_context *svga );
 629 void svga_init_sampler_functions( struct svga_context *svga );
 630 void svga_init_fs_functions( struct svga_context *svga );
 631 void svga_init_vs_functions( struct svga_context *svga );
 632 void svga_init_gs_functions( struct svga_context *svga );
 633 void svga_init_vertex_functions( struct svga_context *svga );
 634 void svga_init_constbuffer_functions( struct svga_context *svga );
 635 void svga_init_draw_functions( struct svga_context *svga );
 636 void svga_init_query_functions( struct svga_context *svga );
 637 void svga_init_surface_functions(struct svga_context *svga);
 638 void svga_init_stream_output_functions( struct svga_context *svga );
 639 void svga_init_clear_functions( struct svga_context *svga );
 640
 641 void svga_cleanup_vertex_state( struct svga_context *svga );
 642 void svga_cleanup_tss_binding( struct svga_context *svga );
 643 void svga_cleanup_framebuffer( struct svga_context *svga );
 644
 645 void svga_context_flush( struct svga_context *svga,
 646                          struct pipe_fence_handle **pfence );
 647
 648 void svga_context_finish(struct svga_context *svga);
 649
 650 void svga_hwtnl_flush_retry( struct svga_context *svga );
 651 void svga_hwtnl_flush_buffer( struct svga_context *svga,
 652                               struct pipe_resource *buffer );
 653
 654 void svga_surfaces_flush(struct svga_context *svga);
 655
 656 struct pipe_context *
 657 svga_context_create(struct pipe_screen *screen,
 658                     void *priv, unsigned flags);
 659
 660
 661 /***********************************************************************
 662  * Inline conversion functions.  These are better-typed than the
 663  * macros used previously:
 664  */
 665 static inline struct svga_context *
 666 svga_context( struct pipe_context *pipe )
 667 {
 668    return (struct svga_context *)pipe;
 669 }
 670
 671 static inline struct svga_winsys_screen *
 672 svga_sws(struct svga_context *svga)
 673 {
 674    return svga_screen(svga->pipe.screen)->sws;
 675 }
 676
 677 static inline boolean
 678 svga_have_gb_objects(const struct svga_context *svga)
 679 {
 680    return svga_screen(svga->pipe.screen)->sws->have_gb_objects;
 681 }
 682
 683 static inline boolean
 684 svga_have_gb_dma(const struct svga_context *svga)
 685 {
 686    return svga_screen(svga->pipe.screen)->sws->have_gb_dma;
 687 }
 688
 689 static inline boolean
 690 svga_have_vgpu10(const struct svga_context *svga)
 691 {
 692    return svga_screen(svga->pipe.screen)->sws->have_vgpu10;
 693 }
 694
 695 static inline boolean
 696 svga_need_to_rebind_resources(const struct svga_context *svga)
 697 {
 698    return svga_screen(svga->pipe.screen)->sws->need_to_rebind_resources;
 699 }
 700
 701 static inline boolean
 702 svga_rects_equal(const SVGA3dRect *r1, const SVGA3dRect *r2)
 703 {
 704    return memcmp(r1, r2, sizeof(*r1)) == 0;
 705 }
 706
 707 /**
 708  * If the Gallium HUD is enabled, this will return the current time.
 709  * Otherwise, just return zero.
 710  */
 711 static inline int64_t
 712 svga_get_time(struct svga_context *svga)
 713 {
 714    return svga->hud.uses_time ? os_time_get() : 0;
 715 }
 716
 717
 718 #endif