src/mesa/drivers/dri/intel/intel_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef INTELCONTEXT_INC
  29 #define INTELCONTEXT_INC
  30
  31
  32
  33 #include "main/mtypes.h"
  34 #include "main/mm.h"
  35 #include "texmem.h"
  36 #include "dri_metaops.h"
  37 #include "drm.h"
  38 #include "intel_bufmgr.h"
  39
  40 #include "intel_screen.h"
  41 #include "intel_tex_obj.h"
  42 #include "i915_drm.h"
  43 #include "tnl/t_vertex.h"
  44
  45 #define TAG(x) intel##x
  46 #include "tnl_dd/t_dd_vertex.h"
  47 #undef TAG
  48
  49 #define DV_PF_555  (1<<8)
  50 #define DV_PF_565  (2<<8)
  51 #define DV_PF_8888 (3<<8)
  52 #define DV_PF_4444 (8<<8)
  53 #define DV_PF_1555 (9<<8)
  54
  55 struct intel_region;
  56 struct intel_context;
  57
  58 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  59                                 intelVertex *, intelVertex *);
  60 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  61                                  intelVertex *);
  62 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  63
  64 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  65 #define INTEL_FALLBACK_READ_BUFFER       0x2
  66 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  67 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  68 #define INTEL_FALLBACK_USER              0x10
  69 #define INTEL_FALLBACK_RENDERMODE        0x20
  70 #define INTEL_FALLBACK_TEXTURE           0x40
  71
  72 extern void intelFallback(struct intel_context *intel, GLuint bit,
  73                           GLboolean mode);
  74 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  75
  76
  77 #define INTEL_WRITE_PART  0x1
  78 #define INTEL_WRITE_FULL  0x2
  79 #define INTEL_READ        0x4
  80
  81 #define INTEL_MAX_FIXUP 64
  82
  83 struct intel_sync_object {
  84    struct gl_sync_object Base;
  85
  86    /** Batch associated with this sync object */
  87    drm_intel_bo *bo;
  88 };
  89
  90 /**
  91  * intel_context is derived from Mesa's context class: GLcontext.
  92  */
  93 struct intel_context
  94 {
  95    GLcontext ctx;  /**< base class, must be first field */
  96
  97    struct
  98    {
  99       void (*destroy) (struct intel_context * intel);
 100       void (*emit_state) (struct intel_context * intel);
 101       void (*finish_batch) (struct intel_context * intel);
 102       void (*new_batch) (struct intel_context * intel);
 103       void (*emit_invarient_state) (struct intel_context * intel);
 104       void (*note_fence) (struct intel_context *intel, GLuint fence);
 105       void (*update_texture_state) (struct intel_context * intel);
 106
 107       void (*render_start) (struct intel_context * intel);
 108       void (*render_prevalidate) (struct intel_context * intel);
 109       void (*set_draw_region) (struct intel_context * intel,
 110                                struct intel_region * draw_regions[],
 111                                struct intel_region * depth_region,
 112                                GLuint num_regions);
 113
 114       GLuint (*flush_cmd) (void);
 115
 116       void (*reduced_primitive_state) (struct intel_context * intel,
 117                                        GLenum rprim);
 118
 119       GLboolean (*check_vertex_size) (struct intel_context * intel,
 120                                       GLuint expected);
 121       void (*invalidate_state) (struct intel_context *intel,
 122                                 GLuint new_state);
 123
 124
 125       /* Metaops:
 126        */
 127       void (*install_meta_state) (struct intel_context * intel);
 128       void (*leave_meta_state) (struct intel_context * intel);
 129
 130       void (*meta_draw_region) (struct intel_context * intel,
 131                                 struct intel_region * draw_region,
 132                                 struct intel_region * depth_region);
 133
 134       void (*meta_draw_quad)(struct intel_context *intel,
 135                              GLfloat x0, GLfloat x1,
 136                              GLfloat y0, GLfloat y1,
 137                              GLfloat z,
 138                              GLuint color, /* ARGB32 */
 139                              GLfloat s0, GLfloat s1,
 140                              GLfloat t0, GLfloat t1);
 141
 142       void (*meta_color_mask) (struct intel_context * intel, GLboolean);
 143
 144       void (*meta_stencil_replace) (struct intel_context * intel,
 145                                     GLuint mask, GLuint clear);
 146
 147       void (*meta_depth_replace) (struct intel_context * intel);
 148
 149       void (*meta_texture_blend_replace) (struct intel_context * intel);
 150
 151       void (*meta_no_stencil_write) (struct intel_context * intel);
 152       void (*meta_no_depth_write) (struct intel_context * intel);
 153       void (*meta_no_texture) (struct intel_context * intel);
 154
 155       void (*meta_import_pixel_state) (struct intel_context * intel);
 156       void (*meta_frame_buffer_texture) (struct intel_context *intel,
 157                                          GLint xoff, GLint yoff);
 158
 159       GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
 160                                         dri_bo * buffer,
 161                                         GLuint offset,
 162                                         GLuint pitch,
 163                                         GLuint height,
 164                                         GLenum format, GLenum type);
 165
 166       void (*assert_not_dirty) (struct intel_context *intel);
 167
 168       void (*debug_batch)(struct intel_context *intel);
 169    } vtbl;
 170
 171    struct dri_metaops meta;
 172
 173    GLint refcount;
 174    GLuint Fallback;
 175    GLuint NewGLState;
 176
 177    dri_bufmgr *bufmgr;
 178    unsigned int maxBatchSize;
 179
 180    struct intel_region *front_region;
 181    struct intel_region *back_region;
 182    struct intel_region *depth_region;
 183
 184    /**
 185     * This value indicates that the kernel memory manager is being used
 186     * instead of the fake client-side memory manager.
 187     */
 188    GLboolean ttm;
 189
 190    struct intel_batchbuffer *batch;
 191    drm_intel_bo *first_post_swapbuffers_batch;
 192    GLboolean no_batch_wrap;
 193    unsigned batch_id;
 194
 195    struct
 196    {
 197       GLuint id;
 198       uint32_t primitive;       /**< Current hardware primitive type */
 199       void (*flush) (struct intel_context *);
 200       GLubyte *start_ptr; /**< for i8xx */
 201       dri_bo *vb_bo;
 202       uint8_t *vb;
 203       unsigned int start_offset; /**< Byte offset of primitive sequence */
 204       unsigned int current_offset; /**< Byte offset of next vertex */
 205       unsigned int count;       /**< Number of vertices in current primitive */
 206    } prim;
 207
 208    GLuint stats_wm;
 209    GLboolean locked;
 210    char *prevLockFile;
 211    int prevLockLine;
 212
 213    GLuint ClearColor565;
 214    GLuint ClearColor8888;
 215
 216
 217    /* Offsets of fields within the current vertex:
 218     */
 219    GLuint coloroffset;
 220    GLuint specoffset;
 221    GLuint wpos_offset;
 222    GLuint wpos_size;
 223
 224    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 225    GLuint vertex_attr_count;
 226
 227    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 228
 229    GLboolean hw_stencil;
 230    GLboolean hw_stipple;
 231    GLboolean depth_buffer_is_float;
 232    GLboolean no_rast;
 233    GLboolean always_flush_batch;
 234    GLboolean always_flush_cache;
 235
 236    /* 0 - nonconformant, best performance;
 237     * 1 - fallback to sw for known conformance bugs
 238     * 2 - always fallback to sw
 239     */
 240    GLuint conformance_mode;
 241
 242    /* State for intelvb.c and inteltris.c.
 243     */
 244    GLuint RenderIndex;
 245    GLmatrix ViewportMatrix;
 246    GLenum render_primitive;
 247    GLenum reduced_primitive;
 248    GLuint vertex_size;
 249    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 250
 251    /* Fallback rasterization functions
 252     */
 253    intel_point_func draw_point;
 254    intel_line_func draw_line;
 255    intel_tri_func draw_tri;
 256
 257    /**
 258     * Set to true if a single constant cliprect should be used in the
 259     * batchbuffer.  Otherwise, cliprects must be calculated at batchbuffer
 260     * flush time while the lock is held.
 261     */
 262    GLboolean constant_cliprect;
 263
 264    /**
 265     * In !constant_cliprect mode, set to true if the front cliprects should be
 266     * used instead of back.
 267     */
 268    GLboolean front_cliprects;
 269
 270    /**
 271     * Set if rendering has occured to the drawable's front buffer.
 272     *
 273     * This is used in the DRI2 case to detect that glFlush should also copy
 274     * the contents of the fake front buffer to the real front buffer.
 275     */
 276    GLboolean front_buffer_dirty;
 277
 278    /**
 279     * Track whether front-buffer rendering is currently enabled
 280     *
 281     * A separate flag is used to track this in order to support MRT more
 282     * easily.
 283     */
 284    GLboolean is_front_buffer_rendering;
 285    /**
 286     * Track whether front-buffer is the current read target.
 287     *
 288     * This is closely associated with is_front_buffer_rendering, but may
 289     * be set separately.  The DRI2 fake front buffer must be referenced
 290     * either way.
 291     */
 292    GLboolean is_front_buffer_reading;
 293
 294    GLboolean use_texture_tiling;
 295    GLboolean use_early_z;
 296    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 297
 298    int perf_boxes;
 299
 300    GLuint do_usleeps;
 301    int do_irqs;
 302    GLuint irqsEmitted;
 303
 304    GLboolean scissor;
 305    drm_clip_rect_t draw_rect;
 306    drm_clip_rect_t scissor_rect;
 307
 308    drm_context_t hHWContext;
 309    drmLock *driHwLock;
 310    int driFd;
 311
 312    __DRIcontextPrivate *driContext;
 313    __DRIdrawablePrivate *driDrawable;
 314    __DRIdrawablePrivate *driReadDrawable;
 315    __DRIscreenPrivate *driScreen;
 316    intelScreenPrivate *intelScreen;
 317    volatile drm_i915_sarea_t *sarea;
 318
 319    GLuint lastStamp;
 320
 321    GLboolean no_hw;
 322
 323    /**
 324     * Configuration cache
 325     */
 326    driOptionCache optionCache;
 327
 328    int64_t swap_ust;
 329    int64_t swap_missed_ust;
 330
 331    GLuint swap_count;
 332    GLuint swap_missed_count;
 333 };
 334
 335 /* These are functions now:
 336  */
 337 void LOCK_HARDWARE( struct intel_context *intel );
 338 void UNLOCK_HARDWARE( struct intel_context *intel );
 339
 340 extern char *__progname;
 341
 342
 343 #define SUBPIXEL_X 0.125
 344 #define SUBPIXEL_Y 0.125
 345
 346 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 347 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 348 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
 349
 350 #define INTEL_FIREVERTICES(intel)               \
 351 do {                                            \
 352    if ((intel)->prim.flush)                     \
 353       (intel)->prim.flush(intel);               \
 354 } while (0)
 355
 356 /* ================================================================
 357  * Color packing:
 358  */
 359
 360 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 361   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 362
 363 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 364   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 365     ((a) ? 0x8000 : 0))
 366
 367 #define INTEL_PACKCOLOR565(r,g,b) \
 368   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 369
 370 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 371   ((a<<24) | (r<<16) | (g<<8) | b)
 372
 373 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 374 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 375  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 376   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 377    0)))
 378
 379 /* ================================================================
 380  * From linux kernel i386 header files, copes with odd sizes better
 381  * than COPY_DWORDS would:
 382  * XXX Put this in src/mesa/main/imports.h ???
 383  */
 384 #if defined(i386) || defined(__i386__)
 385 static INLINE void * __memcpy(void * to, const void * from, size_t n)
 386 {
 387    int d0, d1, d2;
 388    __asm__ __volatile__(
 389       "rep ; movsl\n\t"
 390       "testb $2,%b4\n\t"
 391       "je 1f\n\t"
 392       "movsw\n"
 393       "1:\ttestb $1,%b4\n\t"
 394       "je 2f\n\t"
 395       "movsb\n"
 396       "2:"
 397       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 398       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 399       : "memory");
 400    return (to);
 401 }
 402 #else
 403 #define __memcpy(a,b,c) memcpy(a,b,c)
 404 #endif
 405
 406
 407 /* ================================================================
 408  * Debugging:
 409  */
 410 extern int INTEL_DEBUG;
 411
 412 #define DEBUG_TEXTURE   0x1
 413 #define DEBUG_STATE     0x2
 414 #define DEBUG_IOCTL     0x4
 415 #define DEBUG_BLIT      0x8
 416 #define DEBUG_MIPTREE   0x10
 417 #define DEBUG_FALLBACKS 0x20
 418 #define DEBUG_VERBOSE   0x40
 419 #define DEBUG_BATCH     0x80
 420 #define DEBUG_PIXEL     0x100
 421 #define DEBUG_BUFMGR    0x200
 422 #define DEBUG_REGION    0x400
 423 #define DEBUG_FBO       0x800
 424 #define DEBUG_LOCK      0x1000
 425 #define DEBUG_SYNC      0x2000
 426 #define DEBUG_PRIMS     0x4000
 427 #define DEBUG_VERTS     0x8000
 428 #define DEBUG_DRI       0x10000
 429 #define DEBUG_DMA       0x20000
 430 #define DEBUG_SANITY    0x40000
 431 #define DEBUG_SLEEP     0x80000
 432 #define DEBUG_STATS     0x100000
 433 #define DEBUG_TILE      0x200000
 434 #define DEBUG_SINGLE_THREAD   0x400000
 435 #define DEBUG_WM        0x800000
 436 #define DEBUG_URB       0x1000000
 437 #define DEBUG_VS        0x2000000
 438
 439 #define DBG(...) do {                                           \
 440         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 441                 _mesa_printf(__VA_ARGS__);                      \
 442 } while(0)
 443
 444 #define PCI_CHIP_845_G                  0x2562
 445 #define PCI_CHIP_I830_M                 0x3577
 446 #define PCI_CHIP_I855_GM                0x3582
 447 #define PCI_CHIP_I865_G                 0x2572
 448 #define PCI_CHIP_I915_G                 0x2582
 449 #define PCI_CHIP_I915_GM                0x2592
 450 #define PCI_CHIP_I945_G                 0x2772
 451 #define PCI_CHIP_I945_GM                0x27A2
 452 #define PCI_CHIP_I945_GME               0x27AE
 453 #define PCI_CHIP_G33_G                  0x29C2
 454 #define PCI_CHIP_Q35_G                  0x29B2
 455 #define PCI_CHIP_Q33_G                  0x29D2
 456
 457
 458 /* ================================================================
 459  * intel_context.c:
 460  */
 461
 462 extern GLboolean intelInitContext(struct intel_context *intel,
 463                                   const __GLcontextModes * mesaVis,
 464                                   __DRIcontextPrivate * driContextPriv,
 465                                   void *sharedContextPrivate,
 466                                   struct dd_function_table *functions);
 467
 468 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 469
 470 extern void intelFinish(GLcontext * ctx);
 471 extern void intelFlush(GLcontext * ctx);
 472
 473 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 474
 475 void intel_init_syncobj_functions(struct dd_function_table *functions);
 476
 477
 478 /* ================================================================
 479  * intel_state.c:
 480  */
 481 extern void intelInitStateFuncs(struct dd_function_table *functions);
 482
 483 #define COMPAREFUNC_ALWAYS              0
 484 #define COMPAREFUNC_NEVER               0x1
 485 #define COMPAREFUNC_LESS                0x2
 486 #define COMPAREFUNC_EQUAL               0x3
 487 #define COMPAREFUNC_LEQUAL              0x4
 488 #define COMPAREFUNC_GREATER             0x5
 489 #define COMPAREFUNC_NOTEQUAL            0x6
 490 #define COMPAREFUNC_GEQUAL              0x7
 491
 492 #define STENCILOP_KEEP                  0
 493 #define STENCILOP_ZERO                  0x1
 494 #define STENCILOP_REPLACE               0x2
 495 #define STENCILOP_INCRSAT               0x3
 496 #define STENCILOP_DECRSAT               0x4
 497 #define STENCILOP_INCR                  0x5
 498 #define STENCILOP_DECR                  0x6
 499 #define STENCILOP_INVERT                0x7
 500
 501 #define LOGICOP_CLEAR                   0
 502 #define LOGICOP_NOR                     0x1
 503 #define LOGICOP_AND_INV                 0x2
 504 #define LOGICOP_COPY_INV                0x3
 505 #define LOGICOP_AND_RVRSE               0x4
 506 #define LOGICOP_INV                     0x5
 507 #define LOGICOP_XOR                     0x6
 508 #define LOGICOP_NAND                    0x7
 509 #define LOGICOP_AND                     0x8
 510 #define LOGICOP_EQUIV                   0x9
 511 #define LOGICOP_NOOP                    0xa
 512 #define LOGICOP_OR_INV                  0xb
 513 #define LOGICOP_COPY                    0xc
 514 #define LOGICOP_OR_RVRSE                0xd
 515 #define LOGICOP_OR                      0xe
 516 #define LOGICOP_SET                     0xf
 517
 518 #define BLENDFACT_ZERO                  0x01
 519 #define BLENDFACT_ONE                   0x02
 520 #define BLENDFACT_SRC_COLR              0x03
 521 #define BLENDFACT_INV_SRC_COLR          0x04
 522 #define BLENDFACT_SRC_ALPHA             0x05
 523 #define BLENDFACT_INV_SRC_ALPHA         0x06
 524 #define BLENDFACT_DST_ALPHA             0x07
 525 #define BLENDFACT_INV_DST_ALPHA         0x08
 526 #define BLENDFACT_DST_COLR              0x09
 527 #define BLENDFACT_INV_DST_COLR          0x0a
 528 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 529 #define BLENDFACT_CONST_COLOR           0x0c
 530 #define BLENDFACT_INV_CONST_COLOR       0x0d
 531 #define BLENDFACT_CONST_ALPHA           0x0e
 532 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 533 #define BLENDFACT_MASK                  0x0f
 534
 535 enum {
 536    DRI_CONF_BO_REUSE_DISABLED,
 537    DRI_CONF_BO_REUSE_ALL
 538 };
 539
 540 extern int intel_translate_shadow_compare_func(GLenum func);
 541 extern int intel_translate_compare_func(GLenum func);
 542 extern int intel_translate_stencil_op(GLenum op);
 543 extern int intel_translate_blend_factor(GLenum factor);
 544 extern int intel_translate_logic_op(GLenum opcode);
 545
 546 void intel_viewport(GLcontext * ctx, GLint x, GLint y,
 547                     GLsizei width, GLsizei height);
 548
 549 void intel_update_renderbuffers(__DRIcontext *context,
 550                                 __DRIdrawable *drawable);
 551
 552 void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
 553                                   uint32_t buffer_id);
 554
 555 /*======================================================================
 556  * Inline conversion functions.
 557  * These are better-typed than the macros used previously:
 558  */
 559 static INLINE struct intel_context *
 560 intel_context(GLcontext * ctx)
 561 {
 562    return (struct intel_context *) ctx;
 563 }
 564
 565 static INLINE GLboolean
 566 is_power_of_two(uint32_t value)
 567 {
 568    return (value & (value - 1)) == 0;
 569 }
 570
 571 #endif