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