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
  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 (*new_batch) (struct intel_context * intel);
  89       void (*emit_invarient_state) (struct intel_context * intel);
  90       void (*note_fence) (struct intel_context *intel, GLuint fence);
  91       void (*note_unlock) (struct intel_context *intel);
  92       void (*update_texture_state) (struct intel_context * intel);
  93
  94       void (*render_start) (struct intel_context * intel);
  95       void (*render_prevalidate) (struct intel_context * intel);
  96       void (*set_draw_region) (struct intel_context * intel,
  97                                struct intel_region * draw_region,
  98                                struct intel_region * depth_region);
  99
 100       GLuint (*flush_cmd) (void);
 101       void (*emit_flush) (struct intel_context *intel, GLuint unused);
 102
 103       void (*reduced_primitive_state) (struct intel_context * intel,
 104                                        GLenum rprim);
 105
 106       GLboolean (*check_vertex_size) (struct intel_context * intel,
 107                                       GLuint expected);
 108       void (*invalidate_state) (struct intel_context *intel,
 109                                 GLuint new_state);
 110
 111
 112       /* Metaops:
 113        */
 114       void (*install_meta_state) (struct intel_context * intel);
 115       void (*leave_meta_state) (struct intel_context * intel);
 116
 117       void (*meta_draw_region) (struct intel_context * intel,
 118                                 struct intel_region * draw_region,
 119                                 struct intel_region * depth_region);
 120
 121       void (*meta_draw_quad)(struct intel_context *intel,
 122                              GLfloat x0, GLfloat x1,
 123                              GLfloat y0, GLfloat y1,
 124                              GLfloat z,
 125                              GLuint color, /* ARGB32 */
 126                              GLfloat s0, GLfloat s1,
 127                              GLfloat t0, GLfloat t1);
 128
 129       void (*meta_color_mask) (struct intel_context * intel, GLboolean);
 130
 131       void (*meta_stencil_replace) (struct intel_context * intel,
 132                                     GLuint mask, GLuint clear);
 133
 134       void (*meta_depth_replace) (struct intel_context * intel);
 135
 136       void (*meta_texture_blend_replace) (struct intel_context * intel);
 137
 138       void (*meta_no_stencil_write) (struct intel_context * intel);
 139       void (*meta_no_depth_write) (struct intel_context * intel);
 140       void (*meta_no_texture) (struct intel_context * intel);
 141
 142       void (*meta_import_pixel_state) (struct intel_context * intel);
 143       void (*meta_frame_buffer_texture) (struct intel_context *intel,
 144                                          GLint xoff, GLint yoff);
 145
 146       GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
 147                                         dri_bo * buffer,
 148                                         GLuint offset,
 149                                         GLuint pitch,
 150                                         GLuint height,
 151                                         GLenum format, GLenum type);
 152
 153       void (*assert_not_dirty) (struct intel_context *intel);
 154
 155       void (*debug_batch)(struct intel_context *intel);
 156    } vtbl;
 157
 158    GLint refcount;
 159    GLuint Fallback;
 160    GLuint NewGLState;
 161
 162    dri_bufmgr *bufmgr;
 163    unsigned int maxBatchSize;
 164
 165    struct intel_region *front_region;
 166    struct intel_region *back_region;
 167    struct intel_region *third_region;
 168    struct intel_region *depth_region;
 169
 170    /**
 171     * This value indicates that the kernel memory manager is being used
 172     * instead of the fake client-side memory manager.
 173     */
 174    GLboolean ttm;
 175
 176    dri_fence *last_swap_fence;
 177    dri_fence *first_swap_fence;
 178
 179    struct intel_batchbuffer *batch;
 180    GLboolean no_batch_wrap;
 181    unsigned batch_id;
 182
 183    struct
 184    {
 185       GLuint id;
 186       GLuint primitive;
 187       GLubyte *start_ptr;
 188       void (*flush) (struct intel_context *);
 189    } prim;
 190
 191    GLuint stats_wm;
 192    GLboolean locked;
 193    char *prevLockFile;
 194    int prevLockLine;
 195
 196    GLubyte clear_chan[4];
 197    GLuint ClearColor565;
 198    GLuint ClearColor8888;
 199
 200    /* Offsets of fields within the current vertex:
 201     */
 202    GLuint coloroffset;
 203    GLuint specoffset;
 204    GLuint wpos_offset;
 205    GLuint wpos_size;
 206
 207    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 208    GLuint vertex_attr_count;
 209
 210    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 211
 212    GLboolean hw_stencil;
 213    GLboolean hw_stipple;
 214    GLboolean depth_buffer_is_float;
 215    GLboolean no_rast;
 216    GLboolean strict_conformance;
 217
 218    /* State for intelvb.c and inteltris.c.
 219     */
 220    GLuint RenderIndex;
 221    GLmatrix ViewportMatrix;
 222    GLenum render_primitive;
 223    GLenum reduced_primitive;
 224    GLuint vertex_size;
 225    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 226    struct intel_region *draw_region;
 227
 228    /* Fallback rasterization functions
 229     */
 230    intel_point_func draw_point;
 231    intel_line_func draw_line;
 232    intel_tri_func draw_tri;
 233
 234    /* These refer to the current drawing buffer:
 235     */
 236    int drawX, drawY;            /**< origin of drawing area within region */
 237    GLuint numClipRects;         /**< cliprects for drawing */
 238    drm_clip_rect_t *pClipRects;
 239    struct gl_texture_object *frame_buffer_texobj;
 240    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 241
 242    int perf_boxes;
 243
 244    GLuint do_usleeps;
 245    int do_irqs;
 246    GLuint irqsEmitted;
 247
 248    GLboolean scissor;
 249    drm_clip_rect_t draw_rect;
 250    drm_clip_rect_t scissor_rect;
 251
 252    drm_context_t hHWContext;
 253    drmLock *driHwLock;
 254    int driFd;
 255
 256    __DRIdrawablePrivate *driDrawable;
 257    __DRIdrawablePrivate *driReadDrawable;
 258    __DRIscreenPrivate *driScreen;
 259    intelScreenPrivate *intelScreen;
 260    volatile struct drm_i915_sarea *sarea;
 261
 262    GLuint lastStamp;
 263
 264    GLboolean no_hw;
 265
 266    /**
 267     * Configuration cache
 268     */
 269    driOptionCache optionCache;
 270
 271    /* Last seen width/height of the screen */
 272    int width;
 273    int height;
 274
 275    int64_t swap_ust;
 276    int64_t swap_missed_ust;
 277
 278    GLuint swap_count;
 279    GLuint swap_missed_count;
 280 };
 281
 282 /* These are functions now:
 283  */
 284 void LOCK_HARDWARE( struct intel_context *intel );
 285 void UNLOCK_HARDWARE( struct intel_context *intel );
 286
 287 extern char *__progname;
 288
 289
 290 #define SUBPIXEL_X 0.125
 291 #define SUBPIXEL_Y 0.125
 292
 293 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 294
 295 #define INTEL_FIREVERTICES(intel)               \
 296 do {                                            \
 297    if ((intel)->prim.flush)                     \
 298       (intel)->prim.flush(intel);               \
 299 } while (0)
 300
 301 /* ================================================================
 302  * Color packing:
 303  */
 304
 305 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 306   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 307
 308 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 309   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 310     ((a) ? 0x8000 : 0))
 311
 312 #define INTEL_PACKCOLOR565(r,g,b) \
 313   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 314
 315 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 316   ((a<<24) | (r<<16) | (g<<8) | b)
 317
 318 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 319 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 320  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 321   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 322    0)))
 323
 324 /* ================================================================
 325  * From linux kernel i386 header files, copes with odd sizes better
 326  * than COPY_DWORDS would:
 327  * XXX Put this in src/mesa/main/imports.h ???
 328  */
 329 #if defined(i386) || defined(__i386__)
 330 static inline void * __memcpy(void * to, const void * from, size_t n)
 331 {
 332    int d0, d1, d2;
 333    __asm__ __volatile__(
 334       "rep ; movsl\n\t"
 335       "testb $2,%b4\n\t"
 336       "je 1f\n\t"
 337       "movsw\n"
 338       "1:\ttestb $1,%b4\n\t"
 339       "je 2f\n\t"
 340       "movsb\n"
 341       "2:"
 342       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 343       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 344       : "memory");
 345    return (to);
 346 }
 347 #else
 348 #define __memcpy(a,b,c) memcpy(a,b,c)
 349 #endif
 350
 351
 352 /* ================================================================
 353  * Debugging:
 354  */
 355 extern int INTEL_DEBUG;
 356
 357 #define DEBUG_TEXTURE   0x1
 358 #define DEBUG_STATE     0x2
 359 #define DEBUG_IOCTL     0x4
 360 #define DEBUG_BLIT      0x8
 361 #define DEBUG_MIPTREE   0x10
 362 #define DEBUG_FALLBACKS 0x20
 363 #define DEBUG_VERBOSE   0x40
 364 #define DEBUG_BATCH     0x80
 365 #define DEBUG_PIXEL     0x100
 366 #define DEBUG_BUFMGR    0x200
 367 #define DEBUG_REGION    0x400
 368 #define DEBUG_FBO       0x800
 369 #define DEBUG_LOCK      0x1000
 370 #define DEBUG_SYNC      0x2000
 371 #define DEBUG_PRIMS     0x4000
 372 #define DEBUG_VERTS     0x8000
 373 #define DEBUG_DRI       0x10000
 374 #define DEBUG_DMA       0x20000
 375 #define DEBUG_SANITY    0x40000
 376 #define DEBUG_SLEEP     0x80000
 377 #define DEBUG_STATS     0x100000
 378 #define DEBUG_TILE      0x200000
 379 #define DEBUG_SINGLE_THREAD   0x400000
 380 #define DEBUG_WM        0x800000
 381 #define DEBUG_URB       0x1000000
 382 #define DEBUG_VS        0x2000000
 383
 384 #define DBG(...) do {                                           \
 385         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 386                 _mesa_printf(__VA_ARGS__);                      \
 387 } while(0)
 388
 389 #define PCI_CHIP_845_G                  0x2562
 390 #define PCI_CHIP_I830_M                 0x3577
 391 #define PCI_CHIP_I855_GM                0x3582
 392 #define PCI_CHIP_I865_G                 0x2572
 393 #define PCI_CHIP_I915_G                 0x2582
 394 #define PCI_CHIP_I915_GM                0x2592
 395 #define PCI_CHIP_I945_G                 0x2772
 396 #define PCI_CHIP_I945_GM                0x27A2
 397 #define PCI_CHIP_I945_GME               0x27AE
 398 #define PCI_CHIP_G33_G                  0x29C2
 399 #define PCI_CHIP_Q35_G                  0x29B2
 400 #define PCI_CHIP_Q33_G                  0x29D2
 401
 402
 403 /* ================================================================
 404  * intel_context.c:
 405  */
 406
 407 extern GLboolean intelInitContext(struct intel_context *intel,
 408                                   const __GLcontextModes * mesaVis,
 409                                   __DRIcontextPrivate * driContextPriv,
 410                                   void *sharedContextPrivate,
 411                                   struct dd_function_table *functions);
 412
 413 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 414
 415 extern void intelFinish(GLcontext * ctx);
 416 extern void intelFlush(GLcontext * ctx);
 417
 418 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 419 extern void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
 420
 421
 422 /* ================================================================
 423  * intel_state.c:
 424  */
 425 extern void intelInitStateFuncs(struct dd_function_table *functions);
 426
 427 #define COMPAREFUNC_ALWAYS              0
 428 #define COMPAREFUNC_NEVER               0x1
 429 #define COMPAREFUNC_LESS                0x2
 430 #define COMPAREFUNC_EQUAL               0x3
 431 #define COMPAREFUNC_LEQUAL              0x4
 432 #define COMPAREFUNC_GREATER             0x5
 433 #define COMPAREFUNC_NOTEQUAL            0x6
 434 #define COMPAREFUNC_GEQUAL              0x7
 435
 436 #define STENCILOP_KEEP                  0
 437 #define STENCILOP_ZERO                  0x1
 438 #define STENCILOP_REPLACE               0x2
 439 #define STENCILOP_INCRSAT               0x3
 440 #define STENCILOP_DECRSAT               0x4
 441 #define STENCILOP_INCR                  0x5
 442 #define STENCILOP_DECR                  0x6
 443 #define STENCILOP_INVERT                0x7
 444
 445 #define LOGICOP_CLEAR                   0
 446 #define LOGICOP_NOR                     0x1
 447 #define LOGICOP_AND_INV                 0x2
 448 #define LOGICOP_COPY_INV                0x3
 449 #define LOGICOP_AND_RVRSE               0x4
 450 #define LOGICOP_INV                     0x5
 451 #define LOGICOP_XOR                     0x6
 452 #define LOGICOP_NAND                    0x7
 453 #define LOGICOP_AND                     0x8
 454 #define LOGICOP_EQUIV                   0x9
 455 #define LOGICOP_NOOP                    0xa
 456 #define LOGICOP_OR_INV                  0xb
 457 #define LOGICOP_COPY                    0xc
 458 #define LOGICOP_OR_RVRSE                0xd
 459 #define LOGICOP_OR                      0xe
 460 #define LOGICOP_SET                     0xf
 461
 462 #define BLENDFACT_ZERO                  0x01
 463 #define BLENDFACT_ONE                   0x02
 464 #define BLENDFACT_SRC_COLR              0x03
 465 #define BLENDFACT_INV_SRC_COLR          0x04
 466 #define BLENDFACT_SRC_ALPHA             0x05
 467 #define BLENDFACT_INV_SRC_ALPHA         0x06
 468 #define BLENDFACT_DST_ALPHA             0x07
 469 #define BLENDFACT_INV_DST_ALPHA         0x08
 470 #define BLENDFACT_DST_COLR              0x09
 471 #define BLENDFACT_INV_DST_COLR          0x0a
 472 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 473 #define BLENDFACT_CONST_COLOR           0x0c
 474 #define BLENDFACT_INV_CONST_COLOR       0x0d
 475 #define BLENDFACT_CONST_ALPHA           0x0e
 476 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 477 #define BLENDFACT_MASK                  0x0f
 478
 479 extern int intel_translate_shadow_compare_func(GLenum func);
 480 extern int intel_translate_compare_func(GLenum func);
 481 extern int intel_translate_stencil_op(GLenum op);
 482 extern int intel_translate_blend_factor(GLenum factor);
 483 extern int intel_translate_logic_op(GLenum opcode);
 484
 485
 486 /*======================================================================
 487  * Inline conversion functions.
 488  * These are better-typed than the macros used previously:
 489  */
 490 static INLINE struct intel_context *
 491 intel_context(GLcontext * ctx)
 492 {
 493    return (struct intel_context *) ctx;
 494 }
 495
 496 #endif