src/mesa/drivers/dri/i965/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 "mtypes.h"
  34 #include "drm.h"
  35 #include "texmem.h"
  36
  37 #include "intel_screen.h"
  38 #include "i830_common.h"
  39 #include "tnl/t_vertex.h"
  40
  41 #define TAG(x) intel##x
  42 #include "tnl_dd/t_dd_vertex.h"
  43 #undef TAG
  44
  45 #define DV_PF_555  (1<<8)
  46 #define DV_PF_565  (2<<8)
  47 #define DV_PF_8888 (3<<8)
  48
  49 struct intel_region;
  50 struct intel_context;
  51
  52 typedef void (*intel_tri_func)(struct intel_context *, intelVertex *, intelVertex *,
  53                                                           intelVertex *);
  54 typedef void (*intel_line_func)(struct intel_context *, intelVertex *, intelVertex *);
  55 typedef void (*intel_point_func)(struct intel_context *, intelVertex *);
  56
  57 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  58 #define INTEL_FALLBACK_READ_BUFFER       0x2
  59 #define INTEL_FALLBACK_USER              0x4
  60 #define INTEL_FALLBACK_RENDERMODE        0x8
  61 #define INTEL_FALLBACK_TEXTURE           0x10
  62
  63 extern void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode );
  64 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  65
  66
  67
  68 struct intel_texture_object
  69 {
  70    struct gl_texture_object base; /* The "parent" object */
  71
  72    /* The mipmap tree must include at least these levels once
  73     * validated:
  74     */
  75    GLuint firstLevel;
  76    GLuint lastLevel;
  77
  78    GLuint dirty_images[6];
  79    GLuint dirty;
  80
  81    /* On validation any active images held in main memory or in other
  82     * regions will be copied to this region and the old storage freed.
  83     */
  84    struct intel_mipmap_tree *mt;
  85 };
  86
  87
  88
  89 struct intel_context
  90 {
  91    GLcontext ctx;               /* the parent class */
  92
  93    struct {
  94       void (*destroy)( struct intel_context *intel );
  95       void (*emit_state)( struct intel_context *intel );
  96       void (*emit_invarient_state)( struct intel_context *intel );
  97       void (*lost_hardware)( struct intel_context *intel );
  98       void (*note_fence)( struct intel_context *intel, GLuint fence );
  99       void (*note_unlock)( struct intel_context *intel );
 100       void (*update_texture_state)( struct intel_context *intel );
 101
 102       void (*render_start)( struct intel_context *intel );
 103       void (*set_draw_region)( struct intel_context *intel,
 104                                struct intel_region *draw_region,
 105                                struct intel_region *depth_region );
 106
 107       GLuint (*flush_cmd)( void );
 108
 109       void (*emit_flush)( struct intel_context *intel,
 110                           GLuint unused );
 111
 112       void (*aub_commands)( struct intel_context *intel,
 113                             GLuint offset,
 114                             const void *buf,
 115                             GLuint sz );
 116       void (*aub_dump_bmp)( struct intel_context *intel, GLuint buffer );
 117       void (*aub_wrap)( struct intel_context *intel );
 118       void (*aub_gtt_data)( struct intel_context *intel,
 119                             GLuint offset,
 120                             const void *src,
 121                             GLuint size,
 122                             GLuint aubtype,
 123                             GLuint aubsubtype);
 124
 125
 126       void (*reduced_primitive_state)( struct intel_context *intel, GLenum rprim );
 127
 128       GLboolean (*check_vertex_size)( struct intel_context *intel, GLuint expected );
 129
 130       void (*invalidate_state)( struct intel_context *intel, GLuint new_state );
 131
 132       /* Metaops:
 133        */
 134       void (*install_meta_state)( struct intel_context *intel );
 135       void (*leave_meta_state)( struct intel_context *intel );
 136
 137       void (*meta_draw_region)( struct intel_context *intel,
 138                                 struct intel_region *draw_region,
 139                                 struct intel_region *depth_region );
 140
 141       void (*meta_color_mask)( struct intel_context *intel,
 142                                GLboolean );
 143
 144       void (*meta_stencil_replace)( struct intel_context *intel,
 145                                     GLuint mask,
 146                                     GLuint clear );
 147
 148       void (*meta_depth_replace)( struct intel_context *intel );
 149
 150       void (*meta_texture_blend_replace) (struct intel_context * intel);
 151
 152       void (*meta_no_stencil_write)( struct intel_context *intel );
 153       void (*meta_no_depth_write)( struct intel_context *intel );
 154       void (*meta_no_texture)( struct intel_context *intel );
 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       void (*meta_draw_quad)(struct intel_context *intel,
 160                              GLfloat x0, GLfloat x1,
 161                              GLfloat y0, GLfloat y1,
 162                              GLfloat z,
 163                              GLubyte red, GLubyte green,
 164                              GLubyte blue, GLubyte alpha,
 165                              GLfloat s0, GLfloat s1,
 166                              GLfloat t0, GLfloat t1);
 167
 168
 169
 170    } vtbl;
 171
 172    GLint refcount;
 173    GLuint Fallback;
 174    GLuint NewGLState;
 175
 176    GLuint last_swap_fence;
 177    GLuint second_last_swap_fence;
 178
 179    GLboolean aub_wrap;
 180    GLuint stats_wm;
 181
 182    struct intel_batchbuffer *batch;
 183
 184    GLubyte clear_chan[4];
 185    GLuint ClearColor;
 186    GLuint ClearDepth;
 187
 188    GLfloat depth_scale;
 189    GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
 190    GLuint depth_clear_mask;
 191    GLuint stencil_clear_mask;
 192
 193    GLboolean hw_stencil;
 194    GLboolean hw_stipple;
 195    GLboolean depth_buffer_is_float;
 196    GLboolean no_hw;
 197    GLboolean no_rast;
 198    GLboolean thrashing;
 199    GLboolean locked;
 200    GLboolean strict_conformance;
 201    GLboolean need_flush;
 202
 203
 204
 205    /* AGP memory buffer manager:
 206     */
 207    struct bufmgr *bm;
 208
 209
 210    /* State for intelvb.c and inteltris.c.
 211     */
 212    GLenum render_primitive;
 213    GLenum reduced_primitive;
 214
 215    struct intel_region *front_region;
 216    struct intel_region *back_region;
 217    struct intel_region *draw_region;
 218    struct intel_region *depth_region;
 219
 220    /* These refer to the current draw (front vs. back) buffer:
 221     */
 222    int drawX;                   /* origin of drawable in draw buffer */
 223    int drawY;
 224    GLuint numClipRects;         /* cliprects for that buffer */
 225    drm_clip_rect_t *pClipRects;
 226    struct gl_texture_object *frame_buffer_texobj;
 227
 228    GLboolean scissor;
 229    drm_clip_rect_t draw_rect;
 230    drm_clip_rect_t scissor_rect;
 231
 232    drm_context_t hHWContext;
 233    drmLock *driHwLock;
 234    int driFd;
 235
 236    __DRIdrawablePrivate *driDrawable;
 237    __DRIscreenPrivate *driScreen;
 238    intelScreenPrivate *intelScreen;
 239    volatile drmI830Sarea *sarea;
 240
 241    FILE *aub_file;
 242
 243    GLuint lastStamp;
 244
 245    /**
 246     * Configuration cache
 247     */
 248    driOptionCache optionCache;
 249
 250    /* VBI
 251     */
 252    GLuint vbl_seq;
 253    GLuint vblank_flags;
 254
 255    int64_t swap_ust;
 256    int64_t swap_missed_ust;
 257
 258    GLuint swap_count;
 259    GLuint swap_missed_count;
 260 };
 261
 262 /* These are functions now:
 263  */
 264 void LOCK_HARDWARE( struct intel_context *intel );
 265 void UNLOCK_HARDWARE( struct intel_context *intel );
 266
 267
 268 #define SUBPIXEL_X 0.125
 269 #define SUBPIXEL_Y 0.125
 270
 271 /* ================================================================
 272  * Color packing:
 273  */
 274
 275 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 276   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 277
 278 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 279   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 280     ((a) ? 0x8000 : 0))
 281
 282 #define INTEL_PACKCOLOR565(r,g,b) \
 283   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 284
 285 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 286   ((a<<24) | (r<<16) | (g<<8) | b)
 287
 288
 289 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 290 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 291  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 292   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 293    0)))
 294
 295
 296
 297 /* ================================================================
 298  * From linux kernel i386 header files, copes with odd sizes better
 299  * than COPY_DWORDS would:
 300  */
 301 #if defined(i386) || defined(__i386__)
 302 static inline void * __memcpy(void * to, const void * from, size_t n)
 303 {
 304    int d0, d1, d2;
 305    __asm__ __volatile__(
 306       "rep ; movsl\n\t"
 307       "testb $2,%b4\n\t"
 308       "je 1f\n\t"
 309       "movsw\n"
 310       "1:\ttestb $1,%b4\n\t"
 311       "je 2f\n\t"
 312       "movsb\n"
 313       "2:"
 314       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 315       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 316       : "memory");
 317    return (to);
 318 }
 319 #else
 320 #define __memcpy(a,b,c) memcpy(a,b,c)
 321 #endif
 322
 323
 324 /* The system memcpy (at least on ubuntu 5.10) has problems copying
 325  * to agp (writecombined) memory from a source which isn't 64-byte
 326  * aligned - there is a 4x performance falloff.
 327  *
 328  * The x86 __memcpy is immune to this but is slightly slower
 329  * (10%-ish) than the system memcpy.
 330  *
 331  * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
 332  * isn't much faster than x86_memcpy for agp copies.
 333  *
 334  * TODO: switch dynamically.
 335  */
 336 static inline void *do_memcpy( void *dest, const void *src, size_t n )
 337 {
 338    if ( (((unsigned long)src) & 63) ||
 339         (((unsigned long)dest) & 63)) {
 340       return  __memcpy(dest, src, n);
 341    }
 342    else
 343       return memcpy(dest, src, n);
 344 }
 345
 346
 347
 348
 349
 350 /* ================================================================
 351  * Debugging:
 352  */
 353 extern int INTEL_DEBUG;
 354
 355 #define DEBUG_TEXTURE   0x1
 356 #define DEBUG_STATE     0x2
 357 #define DEBUG_IOCTL     0x4
 358 #define DEBUG_PRIMS     0x8
 359 #define DEBUG_VERTS     0x10
 360 #define DEBUG_FALLBACKS 0x20
 361 #define DEBUG_VERBOSE   0x40
 362 #define DEBUG_DRI       0x80
 363 #define DEBUG_DMA       0x100
 364 #define DEBUG_SANITY    0x200
 365 #define DEBUG_SYNC      0x400
 366 #define DEBUG_SLEEP     0x800
 367 #define DEBUG_PIXEL     0x1000
 368 #define DEBUG_STATS     0x2000
 369 #define DEBUG_TILE      0x4000
 370 #define DEBUG_SINGLE_THREAD   0x8000
 371 #define DEBUG_WM        0x10000
 372 #define DEBUG_URB       0x20000
 373 #define DEBUG_VS        0x40000
 374
 375
 376 #define PCI_CHIP_845_G                  0x2562
 377 #define PCI_CHIP_I830_M                 0x3577
 378 #define PCI_CHIP_I855_GM                0x3582
 379 #define PCI_CHIP_I865_G                 0x2572
 380 #define PCI_CHIP_I915_G                 0x2582
 381 #define PCI_CHIP_I915_GM                0x2592
 382 #define PCI_CHIP_I945_G                 0x2772
 383 #define PCI_CHIP_I965_G                 0x29A2
 384 #define PCI_CHIP_I965_Q                 0x2992
 385 #define PCI_CHIP_I965_G_1               0x2982
 386 #define PCI_CHIP_I946_GZ                0x2972
 387
 388
 389 /* ================================================================
 390  * intel_context.c:
 391  */
 392
 393 extern GLboolean intelInitContext( struct intel_context *intel,
 394                                    const __GLcontextModes *mesaVis,
 395                                    __DRIcontextPrivate *driContextPriv,
 396                                    void *sharedContextPrivate,
 397                                    struct dd_function_table *functions );
 398
 399 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 400
 401 extern void intelInitState( GLcontext *ctx );
 402 extern void intelFinish( GLcontext *ctx );
 403 extern void intelFlush( GLcontext *ctx );
 404
 405 extern void intelInitDriverFunctions( struct dd_function_table *functions );
 406
 407
 408 /* ================================================================
 409  * intel_state.c:
 410  */
 411 extern void intelInitStateFuncs( struct dd_function_table *functions );
 412
 413 #define COMPAREFUNC_ALWAYS              0
 414 #define COMPAREFUNC_NEVER               0x1
 415 #define COMPAREFUNC_LESS                0x2
 416 #define COMPAREFUNC_EQUAL               0x3
 417 #define COMPAREFUNC_LEQUAL              0x4
 418 #define COMPAREFUNC_GREATER             0x5
 419 #define COMPAREFUNC_NOTEQUAL            0x6
 420 #define COMPAREFUNC_GEQUAL              0x7
 421
 422 #define STENCILOP_KEEP                  0
 423 #define STENCILOP_ZERO                  0x1
 424 #define STENCILOP_REPLACE               0x2
 425 #define STENCILOP_INCRSAT               0x3
 426 #define STENCILOP_DECRSAT               0x4
 427 #define STENCILOP_INCR                  0x5
 428 #define STENCILOP_DECR                  0x6
 429 #define STENCILOP_INVERT                0x7
 430
 431 #define LOGICOP_CLEAR                   0
 432 #define LOGICOP_NOR                     0x1
 433 #define LOGICOP_AND_INV                 0x2
 434 #define LOGICOP_COPY_INV                0x3
 435 #define LOGICOP_AND_RVRSE               0x4
 436 #define LOGICOP_INV                     0x5
 437 #define LOGICOP_XOR                     0x6
 438 #define LOGICOP_NAND                    0x7
 439 #define LOGICOP_AND                     0x8
 440 #define LOGICOP_EQUIV                   0x9
 441 #define LOGICOP_NOOP                    0xa
 442 #define LOGICOP_OR_INV                  0xb
 443 #define LOGICOP_COPY                    0xc
 444 #define LOGICOP_OR_RVRSE                0xd
 445 #define LOGICOP_OR                      0xe
 446 #define LOGICOP_SET                     0xf
 447
 448 #define BLENDFACT_ZERO                  0x01
 449 #define BLENDFACT_ONE                   0x02
 450 #define BLENDFACT_SRC_COLR              0x03
 451 #define BLENDFACT_INV_SRC_COLR          0x04
 452 #define BLENDFACT_SRC_ALPHA             0x05
 453 #define BLENDFACT_INV_SRC_ALPHA         0x06
 454 #define BLENDFACT_DST_ALPHA             0x07
 455 #define BLENDFACT_INV_DST_ALPHA         0x08
 456 #define BLENDFACT_DST_COLR              0x09
 457 #define BLENDFACT_INV_DST_COLR          0x0a
 458 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 459 #define BLENDFACT_CONST_COLOR           0x0c
 460 #define BLENDFACT_INV_CONST_COLOR       0x0d
 461 #define BLENDFACT_CONST_ALPHA           0x0e
 462 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 463 #define BLENDFACT_MASK                  0x0f
 464
 465
 466 extern int intel_translate_compare_func( GLenum func );
 467 extern int intel_translate_stencil_op( GLenum op );
 468 extern int intel_translate_blend_factor( GLenum factor );
 469 extern int intel_translate_logic_op( GLenum opcode );
 470
 471
 472 /* ================================================================
 473  * intel_buffers.c:
 474  */
 475 void intelInitBufferFuncs( struct dd_function_table *functions );
 476
 477 struct intel_region *intel_readbuf_region( struct intel_context *intel );
 478 struct intel_region *intel_drawbuf_region( struct intel_context *intel );
 479
 480 extern void intelWindowMoved( struct intel_context *intel );
 481
 482 extern GLboolean intel_intersect_cliprects( drm_clip_rect_t *dest,
 483                                             const drm_clip_rect_t *a,
 484                                             const drm_clip_rect_t *b );
 485
 486
 487 /* ================================================================
 488  * intel_pixel_copy.c:
 489  */
 490 void intelCopyPixels(GLcontext * ctx,
 491                      GLint srcx, GLint srcy,
 492                      GLsizei width, GLsizei height,
 493                      GLint destx, GLint desty, GLenum type);
 494
 495 GLboolean intel_check_blit_fragment_ops(GLcontext * ctx);
 496
 497 void intelBitmap(GLcontext * ctx,
 498                  GLint x, GLint y,
 499                  GLsizei width, GLsizei height,
 500                  const struct gl_pixelstore_attrib *unpack,
 501                  const GLubyte * pixels);
 502
 503 void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
 504 #define _NEW_WINDOW_POS 0x40000000
 505
 506
 507 /*======================================================================
 508  * Inline conversion functions.
 509  * These are better-typed than the macros used previously:
 510  */
 511 static inline struct intel_context *intel_context( GLcontext *ctx )
 512 {
 513    return (struct intel_context *)ctx;
 514 }
 515
 516 static inline struct intel_texture_object *intel_texture_object( struct gl_texture_object *obj )
 517 {
 518    return (struct intel_texture_object *)obj;
 519 }
 520
 521 static inline struct intel_texture_image *intel_texture_image( struct gl_texture_image *img )
 522 {
 523    return (struct intel_texture_image *)img;
 524 }
 525
 526 #endif
 527