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