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