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 "mtypes.h"
  34 #include "drm.h"
  35 #include "mm.h"
  36 #include "texmem.h"
  37 #include "dri_bufmgr.h"
  38 #include "intel_bufmgr.h"
  39
  40 #include "intel_screen.h"
  41 #include "intel_tex_obj.h"
  42 #include "i915_drm.h"
  43 #include "tnl/t_vertex.h"
  44
  45 #define TAG(x) intel##x
  46 #include "tnl_dd/t_dd_vertex.h"
  47 #undef TAG
  48
  49 #define DV_PF_555  (1<<8)
  50 #define DV_PF_565  (2<<8)
  51 #define DV_PF_8888 (3<<8)
  52
  53 struct intel_region;
  54 struct intel_context;
  55
  56 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  57                                 intelVertex *, intelVertex *);
  58 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  59                                  intelVertex *);
  60 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  61
  62 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  63 #define INTEL_FALLBACK_READ_BUFFER       0x2
  64 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  65 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  66 #define INTEL_FALLBACK_USER              0x10
  67 #define INTEL_FALLBACK_RENDERMODE        0x20
  68 #define INTEL_FALLBACK_TEXTURE           0x40
  69
  70 extern void intelFallback(struct intel_context *intel, GLuint bit,
  71                           GLboolean mode);
  72 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  73
  74
  75 #define INTEL_WRITE_PART  0x1
  76 #define INTEL_WRITE_FULL  0x2
  77 #define INTEL_READ        0x4
  78
  79 #define INTEL_MAX_FIXUP 64
  80
  81 struct intel_context
  82 {
  83    GLcontext ctx;               /* the parent class */
  84
  85    struct
  86    {
  87       void (*destroy) (struct intel_context * intel);
  88       void (*emit_state) (struct intel_context * intel);
  89       void (*finish_batch) (struct intel_context * intel);
  90       void (*new_batch) (struct intel_context * intel);
  91       void (*emit_invarient_state) (struct intel_context * intel);
  92       void (*note_fence) (struct intel_context *intel, GLuint fence);
  93       void (*note_unlock) (struct intel_context *intel);
  94       void (*update_texture_state) (struct intel_context * intel);
  95
  96       void (*render_start) (struct intel_context * intel);
  97       void (*render_prevalidate) (struct intel_context * intel);
  98       void (*set_draw_region) (struct intel_context * intel,
  99                                struct intel_region * draw_regions[],
 100                                struct intel_region * depth_region,
 101                                GLuint num_regions);
 102
 103       GLuint (*flush_cmd) (void);
 104       void (*emit_flush) (struct intel_context *intel, GLuint unused);
 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    GLint refcount;
 162    GLuint Fallback;
 163    GLuint NewGLState;
 164
 165    dri_bufmgr *bufmgr;
 166    unsigned int maxBatchSize;
 167
 168    struct intel_region *front_region;
 169    struct intel_region *back_region;
 170    struct intel_region *third_region;
 171    struct intel_region *depth_region;
 172
 173    /**
 174     * This value indicates that the kernel memory manager is being used
 175     * instead of the fake client-side memory manager.
 176     */
 177    GLboolean ttm;
 178
 179    struct intel_batchbuffer *batch;
 180    GLboolean no_batch_wrap;
 181    unsigned batch_id;
 182
 183    struct
 184    {
 185       GLuint id;
 186       uint32_t primitive;       /**< Current hardware primitive type */
 187       void (*flush) (struct intel_context *);
 188       dri_bo *vb_bo;
 189       uint8_t *vb;
 190       unsigned int start_offset; /**< Byte offset of primitive sequence */
 191       unsigned int current_offset; /**< Byte offset of next vertex */
 192       unsigned int count;       /**< Number of vertices in current primitive */
 193    } prim;
 194
 195    GLuint stats_wm;
 196    GLboolean locked;
 197    char *prevLockFile;
 198    int prevLockLine;
 199
 200    GLubyte clear_chan[4];
 201    GLuint ClearColor565;
 202    GLuint ClearColor8888;
 203
 204    /* Offsets of fields within the current vertex:
 205     */
 206    GLuint coloroffset;
 207    GLuint specoffset;
 208    GLuint wpos_offset;
 209    GLuint wpos_size;
 210
 211    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 212    GLuint vertex_attr_count;
 213
 214    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 215
 216    GLboolean hw_stencil;
 217    GLboolean hw_stipple;
 218    GLboolean depth_buffer_is_float;
 219    GLboolean no_rast;
 220    GLboolean strict_conformance;
 221
 222    /* State for intelvb.c and inteltris.c.
 223     */
 224    GLuint RenderIndex;
 225    GLmatrix ViewportMatrix;
 226    GLenum render_primitive;
 227    GLenum reduced_primitive;
 228    GLuint vertex_size;
 229    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 230    struct intel_region *draw_region;
 231
 232    /* Fallback rasterization functions
 233     */
 234    intel_point_func draw_point;
 235    intel_line_func draw_line;
 236    intel_tri_func draw_tri;
 237
 238    /* These refer to the current drawing buffer:
 239     */
 240    int drawX, drawY;            /**< origin of drawing area within region */
 241    GLuint numClipRects;         /**< cliprects for drawing */
 242    drm_clip_rect_t *pClipRects;
 243    struct gl_texture_object *frame_buffer_texobj;
 244    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 245
 246    int perf_boxes;
 247
 248    GLuint do_usleeps;
 249    int do_irqs;
 250    GLuint irqsEmitted;
 251
 252    GLboolean scissor;
 253    drm_clip_rect_t draw_rect;
 254    drm_clip_rect_t scissor_rect;
 255
 256    drm_context_t hHWContext;
 257    drmLock *driHwLock;
 258    int driFd;
 259
 260    __DRIcontextPrivate *driContext;
 261    __DRIdrawablePrivate *driDrawable;
 262    __DRIdrawablePrivate *driReadDrawable;
 263    __DRIscreenPrivate *driScreen;
 264    intelScreenPrivate *intelScreen;
 265    volatile struct drm_i915_sarea *sarea;
 266
 267    GLuint lastStamp;
 268
 269    GLboolean no_hw;
 270
 271    /**
 272     * Configuration cache
 273     */
 274    driOptionCache optionCache;
 275
 276    /* Last seen width/height of the screen */
 277    int width;
 278    int height;
 279
 280    int64_t swap_ust;
 281    int64_t swap_missed_ust;
 282
 283    GLuint swap_count;
 284    GLuint swap_missed_count;
 285 };
 286
 287 /* These are functions now:
 288  */
 289 void LOCK_HARDWARE( struct intel_context *intel );
 290 void UNLOCK_HARDWARE( struct intel_context *intel );
 291
 292 extern char *__progname;
 293
 294
 295 #define SUBPIXEL_X 0.125
 296 #define SUBPIXEL_Y 0.125
 297
 298 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 299 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 300
 301 #define INTEL_FIREVERTICES(intel)               \
 302 do {                                            \
 303    if ((intel)->prim.flush)                     \
 304       (intel)->prim.flush(intel);               \
 305 } while (0)
 306
 307 /* ================================================================
 308  * Color packing:
 309  */
 310
 311 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 312   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 313
 314 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 315   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 316     ((a) ? 0x8000 : 0))
 317
 318 #define INTEL_PACKCOLOR565(r,g,b) \
 319   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 320
 321 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 322   ((a<<24) | (r<<16) | (g<<8) | b)
 323
 324 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 325 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 326  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 327   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 328    0)))
 329
 330 /* ================================================================
 331  * From linux kernel i386 header files, copes with odd sizes better
 332  * than COPY_DWORDS would:
 333  * XXX Put this in src/mesa/main/imports.h ???
 334  */
 335 #if defined(i386) || defined(__i386__)
 336 static INLINE void * __memcpy(void * to, const void * from, size_t n)
 337 {
 338    int d0, d1, d2;
 339    __asm__ __volatile__(
 340       "rep ; movsl\n\t"
 341       "testb $2,%b4\n\t"
 342       "je 1f\n\t"
 343       "movsw\n"
 344       "1:\ttestb $1,%b4\n\t"
 345       "je 2f\n\t"
 346       "movsb\n"
 347       "2:"
 348       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 349       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 350       : "memory");
 351    return (to);
 352 }
 353 #else
 354 #define __memcpy(a,b,c) memcpy(a,b,c)
 355 #endif
 356
 357
 358 /* ================================================================
 359  * Debugging:
 360  */
 361 extern int INTEL_DEBUG;
 362
 363 #define DEBUG_TEXTURE   0x1
 364 #define DEBUG_STATE     0x2
 365 #define DEBUG_IOCTL     0x4
 366 #define DEBUG_BLIT      0x8
 367 #define DEBUG_MIPTREE   0x10
 368 #define DEBUG_FALLBACKS 0x20
 369 #define DEBUG_VERBOSE   0x40
 370 #define DEBUG_BATCH     0x80
 371 #define DEBUG_PIXEL     0x100
 372 #define DEBUG_BUFMGR    0x200
 373 #define DEBUG_REGION    0x400
 374 #define DEBUG_FBO       0x800
 375 #define DEBUG_LOCK      0x1000
 376 #define DEBUG_SYNC      0x2000
 377 #define DEBUG_PRIMS     0x4000
 378 #define DEBUG_VERTS     0x8000
 379 #define DEBUG_DRI       0x10000
 380 #define DEBUG_DMA       0x20000
 381 #define DEBUG_SANITY    0x40000
 382 #define DEBUG_SLEEP     0x80000
 383 #define DEBUG_STATS     0x100000
 384 #define DEBUG_TILE      0x200000
 385 #define DEBUG_SINGLE_THREAD   0x400000
 386 #define DEBUG_WM        0x800000
 387 #define DEBUG_URB       0x1000000
 388 #define DEBUG_VS        0x2000000
 389
 390 #define DBG(...) do {                                           \
 391         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 392                 _mesa_printf(__VA_ARGS__);                      \
 393 } while(0)
 394
 395 #define PCI_CHIP_845_G                  0x2562
 396 #define PCI_CHIP_I830_M                 0x3577
 397 #define PCI_CHIP_I855_GM                0x3582
 398 #define PCI_CHIP_I865_G                 0x2572
 399 #define PCI_CHIP_I915_G                 0x2582
 400 #define PCI_CHIP_I915_GM                0x2592
 401 #define PCI_CHIP_I945_G                 0x2772
 402 #define PCI_CHIP_I945_GM                0x27A2
 403 #define PCI_CHIP_I945_GME               0x27AE
 404 #define PCI_CHIP_G33_G                  0x29C2
 405 #define PCI_CHIP_Q35_G                  0x29B2
 406 #define PCI_CHIP_Q33_G                  0x29D2
 407
 408
 409 /* ================================================================
 410  * intel_context.c:
 411  */
 412
 413 extern GLboolean intelInitContext(struct intel_context *intel,
 414                                   const __GLcontextModes * mesaVis,
 415                                   __DRIcontextPrivate * driContextPriv,
 416                                   void *sharedContextPrivate,
 417                                   struct dd_function_table *functions);
 418
 419 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 420
 421 extern void intelFinish(GLcontext * ctx);
 422 extern void intelFlush(GLcontext * ctx);
 423
 424 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 425 extern void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
 426
 427
 428 /* ================================================================
 429  * intel_state.c:
 430  */
 431 extern void intelInitStateFuncs(struct dd_function_table *functions);
 432
 433 #define COMPAREFUNC_ALWAYS              0
 434 #define COMPAREFUNC_NEVER               0x1
 435 #define COMPAREFUNC_LESS                0x2
 436 #define COMPAREFUNC_EQUAL               0x3
 437 #define COMPAREFUNC_LEQUAL              0x4
 438 #define COMPAREFUNC_GREATER             0x5
 439 #define COMPAREFUNC_NOTEQUAL            0x6
 440 #define COMPAREFUNC_GEQUAL              0x7
 441
 442 #define STENCILOP_KEEP                  0
 443 #define STENCILOP_ZERO                  0x1
 444 #define STENCILOP_REPLACE               0x2
 445 #define STENCILOP_INCRSAT               0x3
 446 #define STENCILOP_DECRSAT               0x4
 447 #define STENCILOP_INCR                  0x5
 448 #define STENCILOP_DECR                  0x6
 449 #define STENCILOP_INVERT                0x7
 450
 451 #define LOGICOP_CLEAR                   0
 452 #define LOGICOP_NOR                     0x1
 453 #define LOGICOP_AND_INV                 0x2
 454 #define LOGICOP_COPY_INV                0x3
 455 #define LOGICOP_AND_RVRSE               0x4
 456 #define LOGICOP_INV                     0x5
 457 #define LOGICOP_XOR                     0x6
 458 #define LOGICOP_NAND                    0x7
 459 #define LOGICOP_AND                     0x8
 460 #define LOGICOP_EQUIV                   0x9
 461 #define LOGICOP_NOOP                    0xa
 462 #define LOGICOP_OR_INV                  0xb
 463 #define LOGICOP_COPY                    0xc
 464 #define LOGICOP_OR_RVRSE                0xd
 465 #define LOGICOP_OR                      0xe
 466 #define LOGICOP_SET                     0xf
 467
 468 #define BLENDFACT_ZERO                  0x01
 469 #define BLENDFACT_ONE                   0x02
 470 #define BLENDFACT_SRC_COLR              0x03
 471 #define BLENDFACT_INV_SRC_COLR          0x04
 472 #define BLENDFACT_SRC_ALPHA             0x05
 473 #define BLENDFACT_INV_SRC_ALPHA         0x06
 474 #define BLENDFACT_DST_ALPHA             0x07
 475 #define BLENDFACT_INV_DST_ALPHA         0x08
 476 #define BLENDFACT_DST_COLR              0x09
 477 #define BLENDFACT_INV_DST_COLR          0x0a
 478 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 479 #define BLENDFACT_CONST_COLOR           0x0c
 480 #define BLENDFACT_INV_CONST_COLOR       0x0d
 481 #define BLENDFACT_CONST_ALPHA           0x0e
 482 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 483 #define BLENDFACT_MASK                  0x0f
 484
 485 enum {
 486    DRI_CONF_BO_REUSE_DISABLED,
 487    DRI_CONF_BO_REUSE_ALL
 488 };
 489
 490 extern int intel_translate_shadow_compare_func(GLenum func);
 491 extern int intel_translate_compare_func(GLenum func);
 492 extern int intel_translate_stencil_op(GLenum op);
 493 extern int intel_translate_blend_factor(GLenum factor);
 494 extern int intel_translate_logic_op(GLenum opcode);
 495
 496
 497 /*======================================================================
 498  * Inline conversion functions.
 499  * These are better-typed than the macros used previously:
 500  */
 501 static INLINE struct intel_context *
 502 intel_context(GLcontext * ctx)
 503 {
 504    return (struct intel_context *) ctx;
 505 }
 506
 507 #endif