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