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 (*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       unsigned int start_offset; /**< Byte offset of primitive sequence */
 189       unsigned int current_offset; /**< Byte offset of next vertex */
 190       unsigned int count;       /**< Number of vertices in current primitive */
 191       /**
 192        * Signals when a new VB should be started, regardless of remaining
 193        * space.
 194        *
 195        * Used to avoid rewriting a VB that's being rendered from.
 196        */
 197       GLboolean needs_new_vb;
 198    } prim;
 199
 200    GLuint stats_wm;
 201    GLboolean locked;
 202    char *prevLockFile;
 203    int prevLockLine;
 204
 205    GLubyte clear_chan[4];
 206    GLuint ClearColor565;
 207    GLuint ClearColor8888;
 208
 209    /* Offsets of fields within the current vertex:
 210     */
 211    GLuint coloroffset;
 212    GLuint specoffset;
 213    GLuint wpos_offset;
 214    GLuint wpos_size;
 215
 216    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 217    GLuint vertex_attr_count;
 218
 219    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 220
 221    GLboolean hw_stencil;
 222    GLboolean hw_stipple;
 223    GLboolean depth_buffer_is_float;
 224    GLboolean no_rast;
 225    GLboolean strict_conformance;
 226
 227    /* State for intelvb.c and inteltris.c.
 228     */
 229    GLuint RenderIndex;
 230    GLmatrix ViewportMatrix;
 231    GLenum render_primitive;
 232    GLenum reduced_primitive;
 233    GLuint vertex_size;
 234    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 235    struct intel_region *draw_region;
 236
 237    /* Fallback rasterization functions
 238     */
 239    intel_point_func draw_point;
 240    intel_line_func draw_line;
 241    intel_tri_func draw_tri;
 242
 243    /* These refer to the current drawing buffer:
 244     */
 245    int drawX, drawY;            /**< origin of drawing area within region */
 246    GLuint numClipRects;         /**< cliprects for drawing */
 247    drm_clip_rect_t *pClipRects;
 248    struct gl_texture_object *frame_buffer_texobj;
 249    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 250
 251    int perf_boxes;
 252
 253    GLuint do_usleeps;
 254    int do_irqs;
 255    GLuint irqsEmitted;
 256
 257    GLboolean scissor;
 258    drm_clip_rect_t draw_rect;
 259    drm_clip_rect_t scissor_rect;
 260
 261    drm_context_t hHWContext;
 262    drmLock *driHwLock;
 263    int driFd;
 264
 265    __DRIdrawablePrivate *driDrawable;
 266    __DRIdrawablePrivate *driReadDrawable;
 267    __DRIscreenPrivate *driScreen;
 268    intelScreenPrivate *intelScreen;
 269    volatile struct drm_i915_sarea *sarea;
 270
 271    GLuint lastStamp;
 272
 273    GLboolean no_hw;
 274
 275    /**
 276     * Configuration cache
 277     */
 278    driOptionCache optionCache;
 279
 280    /* Last seen width/height of the screen */
 281    int width;
 282    int height;
 283
 284    int64_t swap_ust;
 285    int64_t swap_missed_ust;
 286
 287    GLuint swap_count;
 288    GLuint swap_missed_count;
 289 };
 290
 291 /* These are functions now:
 292  */
 293 void LOCK_HARDWARE( struct intel_context *intel );
 294 void UNLOCK_HARDWARE( struct intel_context *intel );
 295
 296 extern char *__progname;
 297
 298
 299 #define SUBPIXEL_X 0.125
 300 #define SUBPIXEL_Y 0.125
 301
 302 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 303
 304 #define INTEL_FIREVERTICES(intel)               \
 305 do {                                            \
 306    if ((intel)->prim.flush)                     \
 307       (intel)->prim.flush(intel);               \
 308 } while (0)
 309
 310 /* ================================================================
 311  * Color packing:
 312  */
 313
 314 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 315   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 316
 317 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 318   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 319     ((a) ? 0x8000 : 0))
 320
 321 #define INTEL_PACKCOLOR565(r,g,b) \
 322   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 323
 324 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 325   ((a<<24) | (r<<16) | (g<<8) | b)
 326
 327 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 328 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 329  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 330   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 331    0)))
 332
 333 /* ================================================================
 334  * From linux kernel i386 header files, copes with odd sizes better
 335  * than COPY_DWORDS would:
 336  * XXX Put this in src/mesa/main/imports.h ???
 337  */
 338 #if defined(i386) || defined(__i386__)
 339 static inline void * __memcpy(void * to, const void * from, size_t n)
 340 {
 341    int d0, d1, d2;
 342    __asm__ __volatile__(
 343       "rep ; movsl\n\t"
 344       "testb $2,%b4\n\t"
 345       "je 1f\n\t"
 346       "movsw\n"
 347       "1:\ttestb $1,%b4\n\t"
 348       "je 2f\n\t"
 349       "movsb\n"
 350       "2:"
 351       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 352       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 353       : "memory");
 354    return (to);
 355 }
 356 #else
 357 #define __memcpy(a,b,c) memcpy(a,b,c)
 358 #endif
 359
 360
 361 /* ================================================================
 362  * Debugging:
 363  */
 364 extern int INTEL_DEBUG;
 365
 366 #define DEBUG_TEXTURE   0x1
 367 #define DEBUG_STATE     0x2
 368 #define DEBUG_IOCTL     0x4
 369 #define DEBUG_BLIT      0x8
 370 #define DEBUG_MIPTREE   0x10
 371 #define DEBUG_FALLBACKS 0x20
 372 #define DEBUG_VERBOSE   0x40
 373 #define DEBUG_BATCH     0x80
 374 #define DEBUG_PIXEL     0x100
 375 #define DEBUG_BUFMGR    0x200
 376 #define DEBUG_REGION    0x400
 377 #define DEBUG_FBO       0x800
 378 #define DEBUG_LOCK      0x1000
 379 #define DEBUG_SYNC      0x2000
 380 #define DEBUG_PRIMS     0x4000
 381 #define DEBUG_VERTS     0x8000
 382 #define DEBUG_DRI       0x10000
 383 #define DEBUG_DMA       0x20000
 384 #define DEBUG_SANITY    0x40000
 385 #define DEBUG_SLEEP     0x80000
 386 #define DEBUG_STATS     0x100000
 387 #define DEBUG_TILE      0x200000
 388 #define DEBUG_SINGLE_THREAD   0x400000
 389 #define DEBUG_WM        0x800000
 390 #define DEBUG_URB       0x1000000
 391 #define DEBUG_VS        0x2000000
 392
 393 #define DBG(...) do {                                           \
 394         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 395                 _mesa_printf(__VA_ARGS__);                      \
 396 } while(0)
 397
 398 #define PCI_CHIP_845_G                  0x2562
 399 #define PCI_CHIP_I830_M                 0x3577
 400 #define PCI_CHIP_I855_GM                0x3582
 401 #define PCI_CHIP_I865_G                 0x2572
 402 #define PCI_CHIP_I915_G                 0x2582
 403 #define PCI_CHIP_I915_GM                0x2592
 404 #define PCI_CHIP_I945_G                 0x2772
 405 #define PCI_CHIP_I945_GM                0x27A2
 406 #define PCI_CHIP_I945_GME               0x27AE
 407 #define PCI_CHIP_G33_G                  0x29C2
 408 #define PCI_CHIP_Q35_G                  0x29B2
 409 #define PCI_CHIP_Q33_G                  0x29D2
 410
 411
 412 /* ================================================================
 413  * intel_context.c:
 414  */
 415
 416 extern GLboolean intelInitContext(struct intel_context *intel,
 417                                   const __GLcontextModes * mesaVis,
 418                                   __DRIcontextPrivate * driContextPriv,
 419                                   void *sharedContextPrivate,
 420                                   struct dd_function_table *functions);
 421
 422 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 423
 424 extern void intelFinish(GLcontext * ctx);
 425 extern void intelFlush(GLcontext * ctx);
 426
 427 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 428 extern void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
 429
 430
 431 /* ================================================================
 432  * intel_state.c:
 433  */
 434 extern void intelInitStateFuncs(struct dd_function_table *functions);
 435
 436 #define COMPAREFUNC_ALWAYS              0
 437 #define COMPAREFUNC_NEVER               0x1
 438 #define COMPAREFUNC_LESS                0x2
 439 #define COMPAREFUNC_EQUAL               0x3
 440 #define COMPAREFUNC_LEQUAL              0x4
 441 #define COMPAREFUNC_GREATER             0x5
 442 #define COMPAREFUNC_NOTEQUAL            0x6
 443 #define COMPAREFUNC_GEQUAL              0x7
 444
 445 #define STENCILOP_KEEP                  0
 446 #define STENCILOP_ZERO                  0x1
 447 #define STENCILOP_REPLACE               0x2
 448 #define STENCILOP_INCRSAT               0x3
 449 #define STENCILOP_DECRSAT               0x4
 450 #define STENCILOP_INCR                  0x5
 451 #define STENCILOP_DECR                  0x6
 452 #define STENCILOP_INVERT                0x7
 453
 454 #define LOGICOP_CLEAR                   0
 455 #define LOGICOP_NOR                     0x1
 456 #define LOGICOP_AND_INV                 0x2
 457 #define LOGICOP_COPY_INV                0x3
 458 #define LOGICOP_AND_RVRSE               0x4
 459 #define LOGICOP_INV                     0x5
 460 #define LOGICOP_XOR                     0x6
 461 #define LOGICOP_NAND                    0x7
 462 #define LOGICOP_AND                     0x8
 463 #define LOGICOP_EQUIV                   0x9
 464 #define LOGICOP_NOOP                    0xa
 465 #define LOGICOP_OR_INV                  0xb
 466 #define LOGICOP_COPY                    0xc
 467 #define LOGICOP_OR_RVRSE                0xd
 468 #define LOGICOP_OR                      0xe
 469 #define LOGICOP_SET                     0xf
 470
 471 #define BLENDFACT_ZERO                  0x01
 472 #define BLENDFACT_ONE                   0x02
 473 #define BLENDFACT_SRC_COLR              0x03
 474 #define BLENDFACT_INV_SRC_COLR          0x04
 475 #define BLENDFACT_SRC_ALPHA             0x05
 476 #define BLENDFACT_INV_SRC_ALPHA         0x06
 477 #define BLENDFACT_DST_ALPHA             0x07
 478 #define BLENDFACT_INV_DST_ALPHA         0x08
 479 #define BLENDFACT_DST_COLR              0x09
 480 #define BLENDFACT_INV_DST_COLR          0x0a
 481 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 482 #define BLENDFACT_CONST_COLOR           0x0c
 483 #define BLENDFACT_INV_CONST_COLOR       0x0d
 484 #define BLENDFACT_CONST_ALPHA           0x0e
 485 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 486 #define BLENDFACT_MASK                  0x0f
 487
 488 enum {
 489    DRI_CONF_BO_REUSE_DISABLED,
 490    DRI_CONF_BO_REUSE_ALL
 491 };
 492
 493 extern int intel_translate_shadow_compare_func(GLenum func);
 494 extern int intel_translate_compare_func(GLenum func);
 495 extern int intel_translate_stencil_op(GLenum op);
 496 extern int intel_translate_blend_factor(GLenum factor);
 497 extern int intel_translate_logic_op(GLenum opcode);
 498
 499
 500 /*======================================================================
 501  * Inline conversion functions.
 502  * These are better-typed than the macros used previously:
 503  */
 504 static INLINE struct intel_context *
 505 intel_context(GLcontext * ctx)
 506 {
 507    return (struct intel_context *) ctx;
 508 }
 509
 510 #endif