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_double_list.h"
  35
  36 #include "tgsi/tgsi_scan.h"
  37
  38
  39 #define SVGA_TEX_UNITS 8
  40
  41 struct draw_vertex_shader;
  42 struct svga_shader_result;
  43 struct SVGACmdMemory;
  44 struct u_upload_mgr;
  45
  46
  47 struct svga_shader
  48 {
  49    const struct tgsi_token *tokens;
  50
  51    struct tgsi_shader_info info;
  52
  53    struct svga_shader_result *results;
  54
  55    unsigned id;
  56
  57    boolean use_sm30;
  58 };
  59
  60 struct svga_fragment_shader
  61 {
  62    struct svga_shader base;
  63 };
  64
  65 struct svga_vertex_shader
  66 {
  67    struct svga_shader base;
  68
  69    struct draw_vertex_shader *draw_shader;
  70 };
  71
  72
  73 struct svga_cache_context;
  74 struct svga_tracked_state;
  75
  76 struct svga_blend_state {
  77
  78    boolean need_white_fragments;
  79
  80    /* Should be per-render-target:
  81     */
  82    struct {
  83       uint8_t writemask;
  84
  85       boolean blend_enable;
  86       uint8_t srcblend;
  87       uint8_t dstblend;
  88       uint8_t blendeq;
  89
  90       boolean separate_alpha_blend_enable;
  91       uint8_t srcblend_alpha;
  92       uint8_t dstblend_alpha;
  93       uint8_t blendeq_alpha;
  94
  95    } rt[1];
  96 };
  97
  98 struct svga_depth_stencil_state {
  99    unsigned zfunc:8;
 100    unsigned zenable:1;
 101    unsigned zwriteenable:1;
 102
 103    unsigned alphatestenable:1;
 104    unsigned alphafunc:8;
 105
 106    struct {
 107       unsigned enabled:1;
 108       unsigned func:8;
 109       unsigned fail:8;
 110       unsigned zfail:8;
 111       unsigned pass:8;
 112    } stencil[2];
 113
 114    /* SVGA3D has one ref/mask/writemask triple shared between front &
 115     * back face stencil.  We really need two:
 116     */
 117    unsigned stencil_ref:8;
 118    unsigned stencil_mask:8;
 119    unsigned stencil_writemask:8;
 120
 121    float    alpharef;
 122 };
 123
 124 #define SVGA_UNFILLED_DISABLE 0
 125 #define SVGA_UNFILLED_LINE    1
 126 #define SVGA_UNFILLED_POINT   2
 127
 128 #define SVGA_PIPELINE_FLAG_POINTS   (1<<PIPE_PRIM_POINTS)
 129 #define SVGA_PIPELINE_FLAG_LINES    (1<<PIPE_PRIM_LINES)
 130 #define SVGA_PIPELINE_FLAG_TRIS     (1<<PIPE_PRIM_TRIANGLES)
 131
 132 struct svga_rasterizer_state {
 133    struct pipe_rasterizer_state templ; /* needed for draw module */
 134
 135    unsigned shademode:8;
 136    unsigned cullmode:8;
 137    unsigned scissortestenable:1;
 138    unsigned multisampleantialias:1;
 139    unsigned antialiasedlineenable:1;
 140    unsigned lastpixel:1;
 141
 142    unsigned linepattern;
 143
 144    float slopescaledepthbias;
 145    float depthbias;
 146    float pointsize;
 147    float pointsize_min;
 148    float pointsize_max;
 149
 150    unsigned hw_unfilled:16;         /* PIPE_POLYGON_MODE_x */
 151    unsigned need_pipeline:16;    /* which prims do we need help for? */
 152 };
 153
 154 struct svga_sampler_state {
 155    unsigned mipfilter;
 156    unsigned magfilter;
 157    unsigned minfilter;
 158    unsigned aniso_level;
 159    float lod_bias;
 160    unsigned addressu;
 161    unsigned addressv;
 162    unsigned addressw;
 163    unsigned bordercolor;
 164    unsigned normalized_coords:1;
 165    unsigned compare_mode:1;
 166    unsigned compare_func:3;
 167
 168    unsigned min_lod;
 169    unsigned view_min_lod;
 170    unsigned view_max_lod;
 171 };
 172
 173 /* Use to calculate differences between state emitted to hardware and
 174  * current driver-calculated state.
 175  */
 176 struct svga_state
 177 {
 178    const struct svga_blend_state *blend;
 179    const struct svga_depth_stencil_state *depth;
 180    const struct svga_rasterizer_state *rast;
 181    const struct svga_sampler_state *sampler[PIPE_MAX_SAMPLERS];
 182
 183    struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; /* or texture ID's? */
 184    struct svga_fragment_shader *fs;
 185    struct svga_vertex_shader *vs;
 186
 187    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 188    struct pipe_vertex_element ve[PIPE_MAX_ATTRIBS];
 189    struct pipe_buffer *cb[PIPE_SHADER_TYPES];
 190
 191    struct pipe_framebuffer_state framebuffer;
 192    float depthscale;
 193
 194    struct pipe_poly_stipple poly_stipple;
 195    struct pipe_scissor_state scissor;
 196    struct pipe_blend_color blend_color;
 197    struct pipe_clip_state clip;
 198    struct pipe_viewport_state viewport;
 199
 200    const unsigned *edgeflags;
 201
 202    unsigned num_samplers;
 203    unsigned num_textures;
 204    unsigned num_vertex_elements;
 205    unsigned num_vertex_buffers;
 206    unsigned reduced_prim;
 207
 208    struct {
 209       unsigned flag_1d;
 210       unsigned flag_srgb;
 211    } tex_flags;
 212
 213    boolean any_user_vertex_buffers;
 214
 215    unsigned zero_stride_vertex_elements;
 216    unsigned num_zero_stride_vertex_elements;
 217    /* ### maybe dynamically allocate this */
 218    float zero_stride_constants[PIPE_MAX_ATTRIBS*4];
 219 };
 220
 221 #define RS_MAX 97
 222 #define TS_MAX 30
 223 #define CB_MAX 256
 224
 225 struct svga_prescale {
 226    float translate[4];
 227    float scale[4];
 228    boolean enabled;
 229 };
 230
 231
 232 /* Updated by calling svga_update_state( SVGA_STATE_HW_VIEWPORT )
 233  */
 234 struct svga_hw_clear_state
 235 {
 236    struct {
 237       unsigned x,y,w,h;
 238    } viewport;
 239
 240    struct {
 241       float zmin, zmax;
 242    } depthrange;
 243
 244    struct pipe_framebuffer_state framebuffer;
 245    struct svga_prescale prescale;
 246 };
 247
 248 struct svga_hw_view_state
 249 {
 250    struct pipe_texture *texture;
 251    struct svga_sampler_view *v;
 252    unsigned min_lod;
 253    unsigned max_lod;
 254    int dirty;
 255 };
 256
 257 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
 258  */
 259 struct svga_hw_draw_state
 260 {
 261    unsigned rs[RS_MAX];
 262    unsigned ts[16][TS_MAX];
 263    float cb[PIPE_SHADER_TYPES][CB_MAX][4];
 264
 265    unsigned shader_id[PIPE_SHADER_TYPES];
 266
 267    struct svga_shader_result *fs;
 268    struct svga_shader_result *vs;
 269    struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
 270
 271    unsigned num_views;
 272 };
 273
 274
 275 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
 276  */
 277 struct svga_sw_state
 278 {
 279    unsigned ve_format[PIPE_MAX_ATTRIBS]; /* NEW_VELEMENT */
 280
 281    /* which parts we need */
 282    boolean need_swvfetch;
 283    boolean need_pipeline;
 284    boolean need_swtnl;
 285 };
 286
 287
 288 /* Queue some state updates (like rss) and submit them to hardware in
 289  * a single packet.
 290  */
 291 struct svga_hw_queue;
 292
 293 struct svga_query;
 294
 295 struct svga_context
 296 {
 297    struct pipe_context pipe;
 298    struct svga_winsys_context *swc;
 299
 300    struct {
 301       boolean no_swtnl;
 302       boolean force_swtnl;
 303       boolean use_min_mipmap;
 304
 305       /* incremented for each shader */
 306       unsigned shader_id;
 307
 308       unsigned disable_shader;
 309    } debug;
 310
 311    struct {
 312       struct draw_context *draw;
 313       struct vbuf_render *backend;
 314       unsigned hw_prim;
 315       boolean new_vbuf;
 316       boolean new_vdecl;
 317    } swtnl;
 318
 319    struct {
 320       unsigned dirty[4];
 321
 322       unsigned texture_timestamp;
 323       unsigned next_fs_id;
 324       unsigned next_vs_id;
 325
 326       /* Internally generated shaders:
 327        */
 328       unsigned white_fs_id;
 329
 330       /*
 331        */
 332       struct svga_sw_state          sw;
 333       struct svga_hw_draw_state     hw_draw;
 334       struct svga_hw_clear_state    hw_clear;
 335    } state;
 336
 337    struct svga_state curr;      /* state from the state tracker */
 338    unsigned dirty;              /* statechanges since last update_state() */
 339
 340    struct u_upload_mgr *upload_ib;
 341    struct u_upload_mgr *upload_vb;
 342    struct svga_hwtnl *hwtnl;
 343
 344    /** The occlusion query currently in progress */
 345    struct svga_query *sq;
 346
 347    /** List of buffers with queued transfers */
 348    struct list_head dirty_buffers;
 349 };
 350
 351 /* A flag for each state_tracker state object:
 352  */
 353 #define SVGA_NEW_BLEND               0x1
 354 #define SVGA_NEW_DEPTH_STENCIL       0x2
 355 #define SVGA_NEW_RAST                0x4
 356 #define SVGA_NEW_SAMPLER             0x8
 357 #define SVGA_NEW_TEXTURE             0x10
 358 #define SVGA_NEW_VBUFFER             0x20
 359 #define SVGA_NEW_VELEMENT            0x40
 360 #define SVGA_NEW_FS                  0x80
 361 #define SVGA_NEW_VS                  0x100
 362 #define SVGA_NEW_FS_CONST_BUFFER     0x200
 363 #define SVGA_NEW_VS_CONST_BUFFER     0x400
 364 #define SVGA_NEW_FRAME_BUFFER        0x800
 365 #define SVGA_NEW_STIPPLE             0x1000
 366 #define SVGA_NEW_SCISSOR             0x2000
 367 #define SVGA_NEW_BLEND_COLOR         0x5000
 368 #define SVGA_NEW_CLIP                0x8000
 369 #define SVGA_NEW_VIEWPORT            0x10000
 370 #define SVGA_NEW_PRESCALE            0x20000
 371 #define SVGA_NEW_REDUCED_PRIMITIVE   0x40000
 372 #define SVGA_NEW_TEXTURE_BINDING     0x80000
 373 #define SVGA_NEW_NEED_PIPELINE       0x100000
 374 #define SVGA_NEW_NEED_SWVFETCH       0x200000
 375 #define SVGA_NEW_NEED_SWTNL          0x400000
 376 #define SVGA_NEW_FS_RESULT           0x800000
 377 #define SVGA_NEW_VS_RESULT           0x1000000
 378 #define SVGA_NEW_EDGEFLAGS           0x2000000
 379 #define SVGA_NEW_ZERO_STRIDE         0x4000000
 380 #define SVGA_NEW_TEXTURE_FLAGS       0x8000000
 381
 382
 383
 384
 385
 386 /***********************************************************************
 387  * svga_clear.c:
 388  */
 389 void svga_clear(struct pipe_context *pipe,
 390                 unsigned buffers,
 391                 const float *rgba,
 392                 double depth,
 393                 unsigned stencil);
 394
 395
 396 /***********************************************************************
 397  * svga_screen_texture.c:
 398  */
 399 void svga_mark_surfaces_dirty(struct svga_context *svga);
 400
 401
 402
 403
 404 void svga_init_state_functions( struct svga_context *svga );
 405 void svga_init_flush_functions( struct svga_context *svga );
 406 void svga_init_string_functions( struct svga_context *svga );
 407 void svga_init_blit_functions(struct svga_context *svga);
 408
 409 void svga_init_blend_functions( struct svga_context *svga );
 410 void svga_init_depth_stencil_functions( struct svga_context *svga );
 411 void svga_init_misc_functions( struct svga_context *svga );
 412 void svga_init_rasterizer_functions( struct svga_context *svga );
 413 void svga_init_sampler_functions( struct svga_context *svga );
 414 void svga_init_fs_functions( struct svga_context *svga );
 415 void svga_init_vs_functions( struct svga_context *svga );
 416 void svga_init_vertex_functions( struct svga_context *svga );
 417 void svga_init_constbuffer_functions( struct svga_context *svga );
 418 void svga_init_draw_functions( struct svga_context *svga );
 419 void svga_init_query_functions( struct svga_context *svga );
 420
 421 void svga_cleanup_vertex_state( struct svga_context *svga );
 422 void svga_cleanup_tss_binding( struct svga_context *svga );
 423 void svga_cleanup_framebuffer( struct svga_context *svga );
 424
 425 void svga_context_flush( struct svga_context *svga,
 426                          struct pipe_fence_handle **pfence );
 427
 428 void svga_hwtnl_flush_retry( struct svga_context *svga );
 429
 430
 431 /***********************************************************************
 432  * Inline conversion functions.  These are better-typed than the
 433  * macros used previously:
 434  */
 435 static INLINE struct svga_context *
 436 svga_context( struct pipe_context *pipe )
 437 {
 438    return (struct svga_context *)pipe;
 439 }
 440
 441
 442
 443 #endif