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 "drm.h"
  37 #include "intel_bufmgr.h"
  38
  39 #include "intel_screen.h"
  40 #include "intel_tex_obj.h"
  41 #include "i915_drm.h"
  42 #include "tnl/t_vertex.h"
  43
  44 #define TAG(x) intel##x
  45 #include "tnl_dd/t_dd_vertex.h"
  46 #undef TAG
  47
  48 #define DV_PF_555  (1<<8)
  49 #define DV_PF_565  (2<<8)
  50 #define DV_PF_8888 (3<<8)
  51 #define DV_PF_4444 (8<<8)
  52 #define DV_PF_1555 (9<<8)
  53
  54 struct intel_region;
  55 struct intel_context;
  56
  57 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  58                                 intelVertex *, intelVertex *);
  59 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  60                                  intelVertex *);
  61 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  62
  63 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  64 #define INTEL_FALLBACK_READ_BUFFER       0x2
  65 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  66 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  67 #define INTEL_FALLBACK_USER              0x10
  68 #define INTEL_FALLBACK_RENDERMODE        0x20
  69 #define INTEL_FALLBACK_TEXTURE           0x40
  70
  71 extern void intelFallback(struct intel_context *intel, GLuint bit,
  72                           GLboolean mode);
  73 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  74
  75
  76 #define INTEL_WRITE_PART  0x1
  77 #define INTEL_WRITE_FULL  0x2
  78 #define INTEL_READ        0x4
  79
  80 #define INTEL_MAX_FIXUP 64
  81
  82 struct intel_context
  83 {
  84    GLcontext ctx;               /* the parent class */
  85
  86    struct
  87    {
  88       void (*destroy) (struct intel_context * intel);
  89       void (*emit_state) (struct intel_context * intel);
  90       void (*finish_batch) (struct intel_context * intel);
  91       void (*new_batch) (struct intel_context * intel);
  92       void (*emit_invarient_state) (struct intel_context * intel);
  93       void (*note_fence) (struct intel_context *intel, GLuint fence);
  94       void (*note_unlock) (struct intel_context *intel);
  95       void (*update_texture_state) (struct intel_context * intel);
  96
  97       void (*render_start) (struct intel_context * intel);
  98       void (*render_prevalidate) (struct intel_context * intel);
  99       void (*set_draw_region) (struct intel_context * intel,
 100                                struct intel_region * draw_regions[],
 101                                struct intel_region * depth_region,
 102                                GLuint num_regions);
 103
 104       GLuint (*flush_cmd) (void);
 105
 106       void (*reduced_primitive_state) (struct intel_context * intel,
 107                                        GLenum rprim);
 108
 109       GLboolean (*check_vertex_size) (struct intel_context * intel,
 110                                       GLuint expected);
 111       void (*invalidate_state) (struct intel_context *intel,
 112                                 GLuint new_state);
 113
 114
 115       /* Metaops:
 116        */
 117       void (*install_meta_state) (struct intel_context * intel);
 118       void (*leave_meta_state) (struct intel_context * intel);
 119
 120       void (*meta_draw_region) (struct intel_context * intel,
 121                                 struct intel_region * draw_region,
 122                                 struct intel_region * depth_region);
 123
 124       void (*meta_draw_quad)(struct intel_context *intel,
 125                              GLfloat x0, GLfloat x1,
 126                              GLfloat y0, GLfloat y1,
 127                              GLfloat z,
 128                              GLuint color, /* ARGB32 */
 129                              GLfloat s0, GLfloat s1,
 130                              GLfloat t0, GLfloat t1);
 131
 132       void (*meta_color_mask) (struct intel_context * intel, GLboolean);
 133
 134       void (*meta_stencil_replace) (struct intel_context * intel,
 135                                     GLuint mask, GLuint clear);
 136
 137       void (*meta_depth_replace) (struct intel_context * intel);
 138
 139       void (*meta_texture_blend_replace) (struct intel_context * intel);
 140
 141       void (*meta_no_stencil_write) (struct intel_context * intel);
 142       void (*meta_no_depth_write) (struct intel_context * intel);
 143       void (*meta_no_texture) (struct intel_context * intel);
 144
 145       void (*meta_import_pixel_state) (struct intel_context * intel);
 146       void (*meta_frame_buffer_texture) (struct intel_context *intel,
 147                                          GLint xoff, GLint yoff);
 148
 149       GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
 150                                         dri_bo * buffer,
 151                                         GLuint offset,
 152                                         GLuint pitch,
 153                                         GLuint height,
 154                                         GLenum format, GLenum type);
 155
 156       void (*assert_not_dirty) (struct intel_context *intel);
 157
 158       void (*debug_batch)(struct intel_context *intel);
 159    } vtbl;
 160
 161    struct {
 162       struct gl_fragment_program *bitmap_fp;
 163       struct gl_vertex_program *passthrough_vp;
 164       struct gl_buffer_object *texcoord_vbo;
 165
 166       struct gl_fragment_program *saved_fp;
 167       GLboolean saved_fp_enable;
 168       struct gl_vertex_program *saved_vp;
 169       GLboolean saved_vp_enable;
 170
 171       struct gl_fragment_program *tex2d_fp;
 172
 173       GLboolean saved_texcoord_enable;
 174       struct gl_buffer_object *saved_array_vbo, *saved_texcoord_vbo;
 175       GLenum saved_texcoord_type;
 176       GLsizei saved_texcoord_size, saved_texcoord_stride;
 177       const void *saved_texcoord_ptr;
 178       int saved_active_texture;
 179
 180       GLint saved_vp_x, saved_vp_y;
 181       GLsizei saved_vp_width, saved_vp_height;
 182       GLenum saved_matrix_mode;
 183    } meta;
 184
 185    GLint refcount;
 186    GLuint Fallback;
 187    GLuint NewGLState;
 188
 189    dri_bufmgr *bufmgr;
 190    unsigned int maxBatchSize;
 191
 192    struct intel_region *front_region;
 193    struct intel_region *back_region;
 194    struct intel_region *depth_region;
 195    GLboolean internal_viewport_call;
 196
 197    /**
 198     * This value indicates that the kernel memory manager is being used
 199     * instead of the fake client-side memory manager.
 200     */
 201    GLboolean ttm;
 202
 203    struct intel_batchbuffer *batch;
 204    GLboolean no_batch_wrap;
 205    unsigned batch_id;
 206
 207    struct
 208    {
 209       GLuint id;
 210       uint32_t primitive;       /**< Current hardware primitive type */
 211       void (*flush) (struct intel_context *);
 212       GLubyte *start_ptr; /**< for i8xx */
 213       dri_bo *vb_bo;
 214       uint8_t *vb;
 215       unsigned int start_offset; /**< Byte offset of primitive sequence */
 216       unsigned int current_offset; /**< Byte offset of next vertex */
 217       unsigned int count;       /**< Number of vertices in current primitive */
 218    } prim;
 219
 220    GLuint stats_wm;
 221    GLboolean locked;
 222    char *prevLockFile;
 223    int prevLockLine;
 224
 225    GLuint ClearColor565;
 226    GLuint ClearColor8888;
 227
 228    /* Offsets of fields within the current vertex:
 229     */
 230    GLuint coloroffset;
 231    GLuint specoffset;
 232    GLuint wpos_offset;
 233    GLuint wpos_size;
 234
 235    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 236    GLuint vertex_attr_count;
 237
 238    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 239
 240    GLboolean hw_stencil;
 241    GLboolean hw_stipple;
 242    GLboolean depth_buffer_is_float;
 243    GLboolean no_rast;
 244    GLboolean always_flush_batch;
 245    GLboolean always_flush_cache;
 246
 247    /* 0 - nonconformant, best performance;
 248     * 1 - fallback to sw for known conformance bugs
 249     * 2 - always fallback to sw
 250     */
 251    GLuint conformance_mode;
 252
 253    /* State for intelvb.c and inteltris.c.
 254     */
 255    GLuint RenderIndex;
 256    GLmatrix ViewportMatrix;
 257    GLenum render_primitive;
 258    GLenum reduced_primitive;
 259    GLuint vertex_size;
 260    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 261
 262    /* Fallback rasterization functions
 263     */
 264    intel_point_func draw_point;
 265    intel_line_func draw_line;
 266    intel_tri_func draw_tri;
 267
 268    /* These refer to the current drawing buffer:
 269     */
 270    struct gl_texture_object *frame_buffer_texobj;
 271    /**
 272     * Set to true if a single constant cliprect should be used in the
 273     * batchbuffer.  Otherwise, cliprects must be calculated at batchbuffer
 274     * flush time while the lock is held.
 275     */
 276    GLboolean constant_cliprect;
 277
 278    /**
 279     * In !constant_cliprect mode, set to true if the front cliprects should be
 280     * used instead of back.
 281     */
 282    GLboolean front_cliprects;
 283
 284    /**
 285     * Set if rendering has occured to the drawable's front buffer.
 286     *
 287     * This is used in the DRI2 case to detect that glFlush should also copy
 288     * the contents of the fake front buffer to the real front buffer.
 289     */
 290    GLboolean front_buffer_dirty;
 291
 292    /**
 293     * Track whether front-buffer rendering is currently enabled
 294     *
 295     * A separate flag is used to track this in order to support MRT more
 296     * easily.
 297     */
 298    GLboolean is_front_buffer_rendering;
 299
 300    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 301
 302    int perf_boxes;
 303
 304    GLuint do_usleeps;
 305    int do_irqs;
 306    GLuint irqsEmitted;
 307
 308    GLboolean scissor;
 309    drm_clip_rect_t draw_rect;
 310    drm_clip_rect_t scissor_rect;
 311
 312    drm_context_t hHWContext;
 313    drmLock *driHwLock;
 314    int driFd;
 315
 316    __DRIcontextPrivate *driContext;
 317    __DRIdrawablePrivate *driDrawable;
 318    __DRIdrawablePrivate *driReadDrawable;
 319    __DRIscreenPrivate *driScreen;
 320    intelScreenPrivate *intelScreen;
 321    volatile struct drm_i915_sarea *sarea;
 322
 323    GLuint lastStamp;
 324
 325    GLboolean no_hw;
 326
 327    /**
 328     * Configuration cache
 329     */
 330    driOptionCache optionCache;
 331
 332    int64_t swap_ust;
 333    int64_t swap_missed_ust;
 334
 335    GLuint swap_count;
 336    GLuint swap_missed_count;
 337 };
 338
 339 /* These are functions now:
 340  */
 341 void LOCK_HARDWARE( struct intel_context *intel );
 342 void UNLOCK_HARDWARE( struct intel_context *intel );
 343
 344 extern char *__progname;
 345
 346
 347 #define SUBPIXEL_X 0.125
 348 #define SUBPIXEL_Y 0.125
 349
 350 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 351 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 352 #define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)
 353
 354 #define INTEL_FIREVERTICES(intel)               \
 355 do {                                            \
 356    if ((intel)->prim.flush)                     \
 357       (intel)->prim.flush(intel);               \
 358 } while (0)
 359
 360 /* ================================================================
 361  * Color packing:
 362  */
 363
 364 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 365   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 366
 367 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 368   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 369     ((a) ? 0x8000 : 0))
 370
 371 #define INTEL_PACKCOLOR565(r,g,b) \
 372   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 373
 374 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 375   ((a<<24) | (r<<16) | (g<<8) | b)
 376
 377 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 378 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 379  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 380   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 381    0)))
 382
 383 /* ================================================================
 384  * From linux kernel i386 header files, copes with odd sizes better
 385  * than COPY_DWORDS would:
 386  * XXX Put this in src/mesa/main/imports.h ???
 387  */
 388 #if defined(i386) || defined(__i386__)
 389 static INLINE void * __memcpy(void * to, const void * from, size_t n)
 390 {
 391    int d0, d1, d2;
 392    __asm__ __volatile__(
 393       "rep ; movsl\n\t"
 394       "testb $2,%b4\n\t"
 395       "je 1f\n\t"
 396       "movsw\n"
 397       "1:\ttestb $1,%b4\n\t"
 398       "je 2f\n\t"
 399       "movsb\n"
 400       "2:"
 401       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 402       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 403       : "memory");
 404    return (to);
 405 }
 406 #else
 407 #define __memcpy(a,b,c) memcpy(a,b,c)
 408 #endif
 409
 410
 411 /* ================================================================
 412  * Debugging:
 413  */
 414 extern int INTEL_DEBUG;
 415
 416 #define DEBUG_TEXTURE   0x1
 417 #define DEBUG_STATE     0x2
 418 #define DEBUG_IOCTL     0x4
 419 #define DEBUG_BLIT      0x8
 420 #define DEBUG_MIPTREE   0x10
 421 #define DEBUG_FALLBACKS 0x20
 422 #define DEBUG_VERBOSE   0x40
 423 #define DEBUG_BATCH     0x80
 424 #define DEBUG_PIXEL     0x100
 425 #define DEBUG_BUFMGR    0x200
 426 #define DEBUG_REGION    0x400
 427 #define DEBUG_FBO       0x800
 428 #define DEBUG_LOCK      0x1000
 429 #define DEBUG_SYNC      0x2000
 430 #define DEBUG_PRIMS     0x4000
 431 #define DEBUG_VERTS     0x8000
 432 #define DEBUG_DRI       0x10000
 433 #define DEBUG_DMA       0x20000
 434 #define DEBUG_SANITY    0x40000
 435 #define DEBUG_SLEEP     0x80000
 436 #define DEBUG_STATS     0x100000
 437 #define DEBUG_TILE      0x200000
 438 #define DEBUG_SINGLE_THREAD   0x400000
 439 #define DEBUG_WM        0x800000
 440 #define DEBUG_URB       0x1000000
 441 #define DEBUG_VS        0x2000000
 442
 443 #define DBG(...) do {                                           \
 444         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 445                 _mesa_printf(__VA_ARGS__);                      \
 446 } while(0)
 447
 448 #define PCI_CHIP_845_G                  0x2562
 449 #define PCI_CHIP_I830_M                 0x3577
 450 #define PCI_CHIP_I855_GM                0x3582
 451 #define PCI_CHIP_I865_G                 0x2572
 452 #define PCI_CHIP_I915_G                 0x2582
 453 #define PCI_CHIP_I915_GM                0x2592
 454 #define PCI_CHIP_I945_G                 0x2772
 455 #define PCI_CHIP_I945_GM                0x27A2
 456 #define PCI_CHIP_I945_GME               0x27AE
 457 #define PCI_CHIP_G33_G                  0x29C2
 458 #define PCI_CHIP_Q35_G                  0x29B2
 459 #define PCI_CHIP_Q33_G                  0x29D2
 460
 461
 462 /* ================================================================
 463  * intel_context.c:
 464  */
 465
 466 extern GLboolean intelInitContext(struct intel_context *intel,
 467                                   const __GLcontextModes * mesaVis,
 468                                   __DRIcontextPrivate * driContextPriv,
 469                                   void *sharedContextPrivate,
 470                                   struct dd_function_table *functions);
 471
 472 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 473
 474 extern void intelFinish(GLcontext * ctx);
 475 extern void intelFlush(GLcontext * ctx);
 476
 477 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 478
 479
 480 /* ================================================================
 481  * intel_state.c:
 482  */
 483 extern void intelInitStateFuncs(struct dd_function_table *functions);
 484
 485 #define COMPAREFUNC_ALWAYS              0
 486 #define COMPAREFUNC_NEVER               0x1
 487 #define COMPAREFUNC_LESS                0x2
 488 #define COMPAREFUNC_EQUAL               0x3
 489 #define COMPAREFUNC_LEQUAL              0x4
 490 #define COMPAREFUNC_GREATER             0x5
 491 #define COMPAREFUNC_NOTEQUAL            0x6
 492 #define COMPAREFUNC_GEQUAL              0x7
 493
 494 #define STENCILOP_KEEP                  0
 495 #define STENCILOP_ZERO                  0x1
 496 #define STENCILOP_REPLACE               0x2
 497 #define STENCILOP_INCRSAT               0x3
 498 #define STENCILOP_DECRSAT               0x4
 499 #define STENCILOP_INCR                  0x5
 500 #define STENCILOP_DECR                  0x6
 501 #define STENCILOP_INVERT                0x7
 502
 503 #define LOGICOP_CLEAR                   0
 504 #define LOGICOP_NOR                     0x1
 505 #define LOGICOP_AND_INV                 0x2
 506 #define LOGICOP_COPY_INV                0x3
 507 #define LOGICOP_AND_RVRSE               0x4
 508 #define LOGICOP_INV                     0x5
 509 #define LOGICOP_XOR                     0x6
 510 #define LOGICOP_NAND                    0x7
 511 #define LOGICOP_AND                     0x8
 512 #define LOGICOP_EQUIV                   0x9
 513 #define LOGICOP_NOOP                    0xa
 514 #define LOGICOP_OR_INV                  0xb
 515 #define LOGICOP_COPY                    0xc
 516 #define LOGICOP_OR_RVRSE                0xd
 517 #define LOGICOP_OR                      0xe
 518 #define LOGICOP_SET                     0xf
 519
 520 #define BLENDFACT_ZERO                  0x01
 521 #define BLENDFACT_ONE                   0x02
 522 #define BLENDFACT_SRC_COLR              0x03
 523 #define BLENDFACT_INV_SRC_COLR          0x04
 524 #define BLENDFACT_SRC_ALPHA             0x05
 525 #define BLENDFACT_INV_SRC_ALPHA         0x06
 526 #define BLENDFACT_DST_ALPHA             0x07
 527 #define BLENDFACT_INV_DST_ALPHA         0x08
 528 #define BLENDFACT_DST_COLR              0x09
 529 #define BLENDFACT_INV_DST_COLR          0x0a
 530 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 531 #define BLENDFACT_CONST_COLOR           0x0c
 532 #define BLENDFACT_INV_CONST_COLOR       0x0d
 533 #define BLENDFACT_CONST_ALPHA           0x0e
 534 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 535 #define BLENDFACT_MASK                  0x0f
 536
 537 enum {
 538    DRI_CONF_BO_REUSE_DISABLED,
 539    DRI_CONF_BO_REUSE_ALL
 540 };
 541
 542 extern int intel_translate_shadow_compare_func(GLenum func);
 543 extern int intel_translate_compare_func(GLenum func);
 544 extern int intel_translate_stencil_op(GLenum op);
 545 extern int intel_translate_blend_factor(GLenum factor);
 546 extern int intel_translate_logic_op(GLenum opcode);
 547
 548 void intel_viewport(GLcontext * ctx, GLint x, GLint y,
 549                     GLsizei width, GLsizei height);
 550
 551 void intel_update_renderbuffers(__DRIcontext *context,
 552                                 __DRIdrawable *drawable);
 553
 554 /*======================================================================
 555  * Inline conversion functions.
 556  * These are better-typed than the macros used previously:
 557  */
 558 static INLINE struct intel_context *
 559 intel_context(GLcontext * ctx)
 560 {
 561    return (struct intel_context *) ctx;
 562 }
 563
 564 #endif