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/u_double_list.h"
  36
  37 #include "tgsi/tgsi_scan.h"
  38
  39 #include "svga_state.h"
  40 #include "svga_tgsi.h"
  41 #include "svga_hw_reg.h"
  42 #include "svga3d_shaderdefs.h"
  43
  44
  45 /** Non-GPU queries for gallium HUD */
  46 #define SVGA_QUERY_DRAW_CALLS   (PIPE_QUERY_DRIVER_SPECIFIC + 0)
  47 #define SVGA_QUERY_FALLBACKS    (PIPE_QUERY_DRIVER_SPECIFIC + 1)
  48 #define SVGA_QUERY_MEMORY_USED  (PIPE_QUERY_DRIVER_SPECIFIC + 2)
  49
  50
  51 struct draw_vertex_shader;
  52 struct draw_fragment_shader;
  53 struct svga_shader_result;
  54 struct SVGACmdMemory;
  55 struct util_bitmask;
  56 struct u_upload_mgr;
  57
  58
  59 struct svga_shader
  60 {
  61    const struct tgsi_token *tokens;
  62
  63    struct tgsi_shader_info info;
  64
  65    struct svga_shader_result *results;
  66
  67    unsigned id;  /**< for debugging only */
  68 };
  69
  70 struct svga_fragment_shader
  71 {
  72    struct svga_shader base;
  73
  74    struct draw_fragment_shader *draw_shader;
  75
  76    /** Mask of which generic varying variables are read by this shader */
  77    unsigned generic_inputs;
  78    /** Table mapping original TGSI generic indexes to low integers */
  79    int8_t generic_remap_table[MAX_GENERIC_VARYING];
  80 };
  81
  82 struct svga_vertex_shader
  83 {
  84    struct svga_shader base;
  85
  86    struct draw_vertex_shader *draw_shader;
  87 };
  88
  89
  90 struct svga_cache_context;
  91 struct svga_tracked_state;
  92
  93 struct svga_blend_state {
  94
  95    boolean need_white_fragments;
  96
  97    /* Should be per-render-target:
  98     */
  99    struct {
 100       uint8_t writemask;
 101
 102       boolean blend_enable;
 103       uint8_t srcblend;
 104       uint8_t dstblend;
 105       uint8_t blendeq;
 106
 107       boolean separate_alpha_blend_enable;
 108       uint8_t srcblend_alpha;
 109       uint8_t dstblend_alpha;
 110       uint8_t blendeq_alpha;
 111
 112    } rt[1];
 113 };
 114
 115 struct svga_depth_stencil_state {
 116    unsigned zfunc:8;
 117    unsigned zenable:1;
 118    unsigned zwriteenable:1;
 119
 120    unsigned alphatestenable:1;
 121    unsigned alphafunc:8;
 122
 123    struct {
 124       unsigned enabled:1;
 125       unsigned func:8;
 126       unsigned fail:8;
 127       unsigned zfail:8;
 128       unsigned pass:8;
 129    } stencil[2];
 130
 131    /* SVGA3D has one ref/mask/writemask triple shared between front &
 132     * back face stencil.  We really need two:
 133     */
 134    unsigned stencil_mask:8;
 135    unsigned stencil_writemask:8;
 136
 137    float    alpharef;
 138 };
 139
 140 #define SVGA_UNFILLED_DISABLE 0
 141 #define SVGA_UNFILLED_LINE    1
 142 #define SVGA_UNFILLED_POINT   2
 143
 144 #define SVGA_PIPELINE_FLAG_POINTS   (1<<PIPE_PRIM_POINTS)
 145 #define SVGA_PIPELINE_FLAG_LINES    (1<<PIPE_PRIM_LINES)
 146 #define SVGA_PIPELINE_FLAG_TRIS     (1<<PIPE_PRIM_TRIANGLES)
 147
 148 struct svga_rasterizer_state {
 149    struct pipe_rasterizer_state templ; /* needed for draw module */
 150
 151    unsigned shademode:8;
 152    unsigned cullmode:8;
 153    unsigned scissortestenable:1;
 154    unsigned multisampleantialias:1;
 155    unsigned antialiasedlineenable:1;
 156    unsigned lastpixel:1;
 157    unsigned pointsprite:1;
 158
 159    unsigned linepattern;
 160
 161    float slopescaledepthbias;
 162    float depthbias;
 163    float pointsize;
 164
 165    unsigned hw_unfilled:16;         /* PIPE_POLYGON_MODE_x */
 166
 167    /** Which prims do we need help for?  Bitmask of (1 << PIPE_PRIM_x) flags */
 168    unsigned need_pipeline:16;
 169
 170    /** For debugging: */
 171    const char* need_pipeline_tris_str;
 172    const char* need_pipeline_lines_str;
 173    const char* need_pipeline_points_str;
 174 };
 175
 176 struct svga_sampler_state {
 177    unsigned mipfilter;
 178    unsigned magfilter;
 179    unsigned minfilter;
 180    unsigned aniso_level;
 181    float lod_bias;
 182    unsigned addressu;
 183    unsigned addressv;
 184    unsigned addressw;
 185    unsigned bordercolor;
 186    unsigned normalized_coords:1;
 187    unsigned compare_mode:1;
 188    unsigned compare_func:3;
 189
 190    unsigned min_lod;
 191    unsigned view_min_lod;
 192    unsigned view_max_lod;
 193 };
 194
 195 struct svga_velems_state {
 196    unsigned count;
 197    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
 198 };
 199
 200 /* Use to calculate differences between state emitted to hardware and
 201  * current driver-calculated state.
 202  */
 203 struct svga_state
 204 {
 205    const struct svga_blend_state *blend;
 206    const struct svga_depth_stencil_state *depth;
 207    const struct svga_rasterizer_state *rast;
 208    const struct svga_sampler_state *sampler[PIPE_MAX_SAMPLERS];
 209    const struct svga_velems_state *velems;
 210
 211    struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS]; /* or texture ID's? */
 212    struct svga_fragment_shader *fs;
 213    struct svga_vertex_shader *vs;
 214
 215    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 216    struct pipe_index_buffer ib;
 217    struct pipe_resource *cb[PIPE_SHADER_TYPES];
 218
 219    struct pipe_framebuffer_state framebuffer;
 220    float depthscale;
 221
 222    /* Hack to limit the number of different render targets between
 223     * flushes.  Helps avoid blowing out our surface cache in EXA.
 224     */
 225    int nr_fbs;
 226
 227    struct pipe_poly_stipple poly_stipple;
 228    struct pipe_scissor_state scissor;
 229    struct pipe_blend_color blend_color;
 230    struct pipe_stencil_ref stencil_ref;
 231    struct pipe_clip_state clip;
 232    struct pipe_viewport_state viewport;
 233
 234    unsigned num_samplers;
 235    unsigned num_sampler_views;
 236    unsigned num_vertex_buffers;
 237    unsigned reduced_prim;
 238
 239    struct {
 240       unsigned flag_1d;
 241       unsigned flag_srgb;
 242    } tex_flags;
 243 };
 244
 245 struct svga_prescale {
 246    float translate[4];
 247    float scale[4];
 248    boolean enabled;
 249 };
 250
 251
 252 /* Updated by calling svga_update_state( SVGA_STATE_HW_CLEAR )
 253  */
 254 struct svga_hw_clear_state
 255 {
 256    struct {
 257       unsigned x,y,w,h;
 258    } viewport;
 259
 260    struct {
 261       float zmin, zmax;
 262    } depthrange;
 263
 264    struct pipe_framebuffer_state framebuffer;
 265    struct svga_prescale prescale;
 266 };
 267
 268 struct svga_hw_view_state
 269 {
 270    struct pipe_resource *texture;
 271    struct svga_sampler_view *v;
 272    unsigned min_lod;
 273    unsigned max_lod;
 274    int dirty;
 275 };
 276
 277 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
 278  */
 279 struct svga_hw_draw_state
 280 {
 281    unsigned rs[SVGA3D_RS_MAX];
 282    unsigned ts[SVGA3D_PIXEL_SAMPLERREG_MAX][SVGA3D_TS_MAX];
 283    float cb[PIPE_SHADER_TYPES][SVGA3D_CONSTREG_MAX][4];
 284
 285    struct svga_shader_result *fs;
 286    struct svga_shader_result *vs;
 287    struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
 288
 289    unsigned num_views;
 290 };
 291
 292
 293 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
 294  */
 295 struct svga_sw_state
 296 {
 297    unsigned ve_format[PIPE_MAX_ATTRIBS]; /* NEW_VELEMENT */
 298
 299    /* which parts we need */
 300    boolean need_swvfetch;
 301    boolean need_pipeline;
 302    boolean need_swtnl;
 303
 304    /* Flag to make sure that need sw is on while
 305     * updating state within a swtnl call.
 306     */
 307    boolean in_swtnl_draw;
 308 };
 309
 310
 311 /* Queue some state updates (like rss) and submit them to hardware in
 312  * a single packet.
 313  */
 314 struct svga_hw_queue;
 315
 316 struct svga_query;
 317
 318 struct svga_context
 319 {
 320    struct pipe_context pipe;
 321    struct svga_winsys_context *swc;
 322    struct blitter_context *blitter;
 323
 324    struct {
 325       boolean no_swtnl;
 326       boolean force_swtnl;
 327       boolean use_min_mipmap;
 328
 329       /* incremented for each shader */
 330       unsigned shader_id;
 331
 332       unsigned disable_shader;
 333
 334       boolean no_line_width;
 335       boolean force_hw_line_stipple;
 336    } debug;
 337
 338    struct {
 339       struct draw_context *draw;
 340       struct vbuf_render *backend;
 341       unsigned hw_prim;
 342       boolean new_vbuf;
 343       boolean new_vdecl;
 344    } swtnl;
 345
 346    /* Bitmask of used shader IDs */
 347    struct util_bitmask *fs_bm;
 348    struct util_bitmask *vs_bm;
 349
 350    struct {
 351       unsigned dirty[SVGA_STATE_MAX];
 352
 353       unsigned texture_timestamp;
 354
 355       /*
 356        */
 357       struct svga_sw_state          sw;
 358       struct svga_hw_draw_state     hw_draw;
 359       struct svga_hw_clear_state    hw_clear;
 360    } state;
 361
 362    struct svga_state curr;      /* state from the state tracker */
 363    unsigned dirty;              /* statechanges since last update_state() */
 364
 365    struct {
 366       unsigned rendertargets:1;
 367       unsigned texture_samplers:1;
 368    } rebind;
 369
 370    struct u_upload_mgr *upload_ib;
 371    struct u_upload_mgr *upload_vb;
 372    struct svga_hwtnl *hwtnl;
 373
 374    /** The occlusion query currently in progress */
 375    struct svga_query *sq;
 376
 377    /** List of buffers with queued transfers */
 378    struct list_head dirty_buffers;
 379
 380    /** performance / info queries */
 381    uint64_t num_draw_calls;  /**< SVGA_QUERY_DRAW_CALLS */
 382    uint64_t num_fallbacks;   /**< SVGA_QUERY_FALLBACKS */
 383 };
 384
 385 /* A flag for each state_tracker state object:
 386  */
 387 #define SVGA_NEW_BLEND               0x1
 388 #define SVGA_NEW_DEPTH_STENCIL       0x2
 389 #define SVGA_NEW_RAST                0x4
 390 #define SVGA_NEW_SAMPLER             0x8
 391 #define SVGA_NEW_TEXTURE             0x10
 392 #define SVGA_NEW_VBUFFER             0x20
 393 #define SVGA_NEW_VELEMENT            0x40
 394 #define SVGA_NEW_FS                  0x80
 395 #define SVGA_NEW_VS                  0x100
 396 #define SVGA_NEW_FS_CONST_BUFFER     0x200
 397 #define SVGA_NEW_VS_CONST_BUFFER     0x400
 398 #define SVGA_NEW_FRAME_BUFFER        0x800
 399 #define SVGA_NEW_STIPPLE             0x1000
 400 #define SVGA_NEW_SCISSOR             0x2000
 401 #define SVGA_NEW_BLEND_COLOR         0x4000
 402 #define SVGA_NEW_CLIP                0x8000
 403 #define SVGA_NEW_VIEWPORT            0x10000
 404 #define SVGA_NEW_PRESCALE            0x20000
 405 #define SVGA_NEW_REDUCED_PRIMITIVE   0x40000
 406 #define SVGA_NEW_TEXTURE_BINDING     0x80000
 407 #define SVGA_NEW_NEED_PIPELINE       0x100000
 408 #define SVGA_NEW_NEED_SWVFETCH       0x200000
 409 #define SVGA_NEW_NEED_SWTNL          0x400000
 410 #define SVGA_NEW_FS_RESULT           0x800000
 411 #define SVGA_NEW_VS_RESULT           0x1000000
 412 #define SVGA_NEW_TEXTURE_FLAGS       0x4000000
 413 #define SVGA_NEW_STENCIL_REF         0x8000000
 414
 415
 416
 417
 418
 419 /***********************************************************************
 420  * svga_clear.c:
 421  */
 422 void svga_clear(struct pipe_context *pipe,
 423                 unsigned buffers,
 424                 const union pipe_color_union *color,
 425                 double depth,
 426                 unsigned stencil);
 427
 428
 429 /***********************************************************************
 430  * svga_screen_texture.c:
 431  */
 432 void svga_mark_surfaces_dirty(struct svga_context *svga);
 433
 434
 435
 436
 437 void svga_init_state_functions( struct svga_context *svga );
 438 void svga_init_flush_functions( struct svga_context *svga );
 439 void svga_init_string_functions( struct svga_context *svga );
 440 void svga_init_blit_functions(struct svga_context *svga);
 441
 442 void svga_init_blend_functions( struct svga_context *svga );
 443 void svga_init_depth_stencil_functions( struct svga_context *svga );
 444 void svga_init_misc_functions( struct svga_context *svga );
 445 void svga_init_rasterizer_functions( struct svga_context *svga );
 446 void svga_init_sampler_functions( struct svga_context *svga );
 447 void svga_init_fs_functions( struct svga_context *svga );
 448 void svga_init_vs_functions( struct svga_context *svga );
 449 void svga_init_vertex_functions( struct svga_context *svga );
 450 void svga_init_constbuffer_functions( struct svga_context *svga );
 451 void svga_init_draw_functions( struct svga_context *svga );
 452 void svga_init_query_functions( struct svga_context *svga );
 453 void svga_init_surface_functions(struct svga_context *svga);
 454
 455 void svga_cleanup_vertex_state( struct svga_context *svga );
 456 void svga_cleanup_tss_binding( struct svga_context *svga );
 457 void svga_cleanup_framebuffer( struct svga_context *svga );
 458
 459 void svga_context_flush( struct svga_context *svga,
 460                          struct pipe_fence_handle **pfence );
 461
 462 void svga_hwtnl_flush_retry( struct svga_context *svga );
 463 void svga_hwtnl_flush_buffer( struct svga_context *svga,
 464                               struct pipe_resource *buffer );
 465
 466 void svga_surfaces_flush(struct svga_context *svga);
 467
 468 struct pipe_context *
 469 svga_context_create(struct pipe_screen *screen,
 470                     void *priv);
 471
 472
 473 /***********************************************************************
 474  * Inline conversion functions.  These are better-typed than the
 475  * macros used previously:
 476  */
 477 static INLINE struct svga_context *
 478 svga_context( struct pipe_context *pipe )
 479 {
 480    return (struct svga_context *)pipe;
 481 }
 482
 483
 484
 485 #endif