src/mesa/drivers/dri/i915/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
  38 #include "intel_screen.h"
  39 #include "i915_drm.h"
  40 #include "i830_common.h"
  41 #include "tnl/t_vertex.h"
  42
  43 #define TAG(x) intel##x
  44 #include "tnl_dd/t_dd_vertex.h"
  45 #undef TAG
  46
  47 #define DV_PF_555  (1<<8)
  48 #define DV_PF_565  (2<<8)
  49 #define DV_PF_8888 (3<<8)
  50
  51 struct intel_region;
  52 struct intel_context;
  53
  54 typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
  55                                 intelVertex *, intelVertex *);
  56 typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
  57                                  intelVertex *);
  58 typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
  59
  60 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  61 #define INTEL_FALLBACK_READ_BUFFER       0x2
  62 #define INTEL_FALLBACK_DEPTH_BUFFER      0x4
  63 #define INTEL_FALLBACK_STENCIL_BUFFER    0x8
  64 #define INTEL_FALLBACK_USER              0x10
  65 #define INTEL_FALLBACK_RENDERMODE        0x20
  66
  67 extern void intelFallback(struct intel_context *intel, GLuint bit,
  68                           GLboolean mode);
  69 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  70
  71
  72 #define INTEL_WRITE_PART  0x1
  73 #define INTEL_WRITE_FULL  0x2
  74 #define INTEL_READ        0x4
  75
  76 struct intel_texture_object
  77 {
  78    struct gl_texture_object base;       /* The "parent" object */
  79
  80    /* The mipmap tree must include at least these levels once
  81     * validated:
  82     */
  83    GLuint firstLevel;
  84    GLuint lastLevel;
  85
  86    /* Offset for firstLevel image:
  87     */
  88    GLuint textureOffset;
  89
  90    /* On validation any active images held in main memory or in other
  91     * regions will be copied to this region and the old storage freed.
  92     */
  93    struct intel_mipmap_tree *mt;
  94
  95    GLboolean imageOverride;
  96    GLint depthOverride;
  97    GLuint pitchOverride;
  98 };
  99
 100
 101
 102 struct intel_texture_image
 103 {
 104    struct gl_texture_image base;
 105
 106    /* These aren't stored in gl_texture_image
 107     */
 108    GLuint level;
 109    GLuint face;
 110
 111    /* If intelImage->mt != NULL, image data is stored here.
 112     * Else if intelImage->base.Data != NULL, image is stored there.
 113     * Else there is no image data.
 114     */
 115    struct intel_mipmap_tree *mt;
 116 };
 117
 118
 119 #define INTEL_MAX_FIXUP 64
 120
 121 struct intel_context
 122 {
 123    GLcontext ctx;               /* the parent class */
 124
 125    struct
 126    {
 127       void (*destroy) (struct intel_context * intel);
 128       void (*emit_state) (struct intel_context * intel);
 129       void (*lost_hardware) (struct intel_context * intel);
 130       void (*update_texture_state) (struct intel_context * intel);
 131
 132       void (*render_start) (struct intel_context * intel);
 133       void (*render_prevalidate) (struct intel_context * intel);
 134       void (*set_draw_region) (struct intel_context * intel,
 135                                struct intel_region * draw_region,
 136                                struct intel_region * depth_region);
 137
 138         GLuint(*flush_cmd) (void);
 139
 140       void (*reduced_primitive_state) (struct intel_context * intel,
 141                                        GLenum rprim);
 142
 143         GLboolean(*check_vertex_size) (struct intel_context * intel,
 144                                        GLuint expected);
 145
 146
 147       /* Metaops:
 148        */
 149       void (*install_meta_state) (struct intel_context * intel);
 150       void (*leave_meta_state) (struct intel_context * intel);
 151
 152       void (*meta_draw_region) (struct intel_context * intel,
 153                                 struct intel_region * draw_region,
 154                                 struct intel_region * depth_region);
 155
 156       void (*meta_color_mask) (struct intel_context * intel, GLboolean);
 157
 158       void (*meta_stencil_replace) (struct intel_context * intel,
 159                                     GLuint mask, GLuint clear);
 160
 161       void (*meta_depth_replace) (struct intel_context * intel);
 162
 163       void (*meta_texture_blend_replace) (struct intel_context * intel);
 164
 165       void (*meta_no_stencil_write) (struct intel_context * intel);
 166       void (*meta_no_depth_write) (struct intel_context * intel);
 167       void (*meta_no_texture) (struct intel_context * intel);
 168
 169       void (*meta_import_pixel_state) (struct intel_context * intel);
 170
 171       GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
 172                                         dri_bo * buffer,
 173                                         GLuint offset,
 174                                         GLuint pitch,
 175                                         GLuint height,
 176                                         GLenum format, GLenum type);
 177       void (*rotate_window) (struct intel_context * intel,
 178                              __DRIdrawablePrivate * dPriv, GLuint srcBuf);
 179
 180       void (*assert_not_dirty) (struct intel_context *intel);
 181
 182    } vtbl;
 183
 184    GLint refcount;
 185    GLuint Fallback;
 186    GLuint NewGLState;
 187
 188    dri_fence *last_swap_fence;
 189    dri_fence *first_swap_fence;
 190
 191    struct intel_batchbuffer *batch;
 192
 193    struct
 194    {
 195       GLuint id;
 196       GLuint primitive;
 197       GLubyte *start_ptr;
 198       void (*flush) (struct intel_context *);
 199    } prim;
 200
 201    GLboolean locked;
 202    char *prevLockFile;
 203    int prevLockLine;
 204
 205    GLuint ClearColor565;
 206    GLuint ClearColor8888;
 207
 208    /* Offsets of fields within the current vertex:
 209     */
 210    GLuint coloroffset;
 211    GLuint specoffset;
 212    GLuint wpos_offset;
 213    GLuint wpos_size;
 214
 215    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 216    GLuint vertex_attr_count;
 217
 218    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 219
 220    GLboolean hw_stipple;
 221    GLboolean strict_conformance;
 222
 223    /* State for intelvb.c and inteltris.c.
 224     */
 225    GLuint RenderIndex;
 226    GLmatrix ViewportMatrix;
 227    GLenum render_primitive;
 228    GLenum reduced_primitive;
 229    GLuint vertex_size;
 230    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 231
 232 #if 0
 233    struct intel_region *front_region;   /* XXX FBO: obsolete */
 234    struct intel_region *rotated_region; /* XXX FBO: obsolete */
 235    struct intel_region *back_region;    /* XXX FBO: obsolete */
 236    struct intel_region *draw_region;    /* XXX FBO: rename to color_region */
 237    struct intel_region *depth_region;   /**< currently bound depth/Z region */
 238 #endif
 239
 240    /* Fallback rasterization functions
 241     */
 242    intel_point_func draw_point;
 243    intel_line_func draw_line;
 244    intel_tri_func draw_tri;
 245
 246    /* These refer to the current drawing buffer:
 247     */
 248    int drawX, drawY;            /**< origin of drawing area within region */
 249    GLuint numClipRects;         /**< cliprects for drawing */
 250    drm_clip_rect_t *pClipRects;
 251    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 252
 253    int perf_boxes;
 254
 255    GLuint do_usleeps;
 256    int do_irqs;
 257    GLuint irqsEmitted;
 258
 259    drm_context_t hHWContext;
 260    drmLock *driHwLock;
 261    int driFd;
 262
 263    __DRIdrawablePrivate *driDrawable;
 264    __DRIscreenPrivate *driScreen;
 265    intelScreenPrivate *intelScreen;
 266    drmI830Sarea *sarea;
 267
 268    GLuint lastStamp;
 269
 270    /**
 271     * Configuration cache
 272     */
 273    driOptionCache optionCache;
 274
 275   /* Rotation. Need to match that of the
 276    * current screen.
 277    */
 278
 279   int width;
 280   int height;
 281   int current_rotation;
 282 };
 283
 284 /* These are functions now:
 285  */
 286 void LOCK_HARDWARE( struct intel_context *intel );
 287 void UNLOCK_HARDWARE( struct intel_context *intel );
 288
 289 extern char *__progname;
 290
 291
 292 #define SUBPIXEL_X 0.125
 293 #define SUBPIXEL_Y 0.125
 294
 295 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 296
 297 #define INTEL_FIREVERTICES(intel)               \
 298 do {                                            \
 299    if ((intel)->prim.flush)                     \
 300       (intel)->prim.flush(intel);               \
 301 } while (0)
 302
 303 /* ================================================================
 304  * Color packing:
 305  */
 306
 307 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 308   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 309
 310 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 311   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 312     ((a) ? 0x8000 : 0))
 313
 314 #define INTEL_PACKCOLOR565(r,g,b) \
 315   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 316
 317 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 318   ((a<<24) | (r<<16) | (g<<8) | b)
 319
 320
 321
 322 /* ================================================================
 323  * From linux kernel i386 header files, copes with odd sizes better
 324  * than COPY_DWORDS would:
 325  * XXX Put this in src/mesa/main/imports.h ???
 326  */
 327 #if defined(i386) || defined(__i386__)
 328 static INLINE void *
 329 __memcpy(void *to, const void *from, size_t n)
 330 {
 331    int d0, d1, d2;
 332    __asm__ __volatile__("rep ; movsl\n\t"
 333                         "testb $2,%b4\n\t"
 334                         "je 1f\n\t"
 335                         "movsw\n"
 336                         "1:\ttestb $1,%b4\n\t"
 337                         "je 2f\n\t"
 338                         "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
 339                         :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
 340                         :"memory");
 341    return (to);
 342 }
 343 #else
 344 #define __memcpy(a,b,c) memcpy(a,b,c)
 345 #endif
 346
 347
 348
 349 /* ================================================================
 350  * Debugging:
 351  */
 352 #define DO_DEBUG                1
 353 #if DO_DEBUG
 354 extern int INTEL_DEBUG;
 355 #else
 356 #define INTEL_DEBUG             0
 357 #endif
 358
 359 #define DEBUG_TEXTURE   0x1
 360 #define DEBUG_STATE     0x2
 361 #define DEBUG_IOCTL     0x4
 362 #define DEBUG_BLIT      0x8
 363 #define DEBUG_MIPTREE   0x10
 364 #define DEBUG_FALLBACKS 0x20
 365 #define DEBUG_VERBOSE   0x40
 366 #define DEBUG_BATCH     0x80
 367 #define DEBUG_PIXEL     0x100
 368 #define DEBUG_BUFMGR    0x200
 369 #define DEBUG_REGION    0x400
 370 #define DEBUG_FBO       0x800
 371 #define DEBUG_LOCK      0x1000
 372
 373 #define DBG(...)  do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
 374
 375
 376 #define PCI_CHIP_845_G                  0x2562
 377 #define PCI_CHIP_I830_M                 0x3577
 378 #define PCI_CHIP_I855_GM                0x3582
 379 #define PCI_CHIP_I865_G                 0x2572
 380 #define PCI_CHIP_I915_G                 0x2582
 381 #define PCI_CHIP_I915_GM                0x2592
 382 #define PCI_CHIP_I945_G                 0x2772
 383 #define PCI_CHIP_I945_GM                0x27A2
 384 #define PCI_CHIP_I945_GME               0x27AE
 385 #define PCI_CHIP_G33_G                  0x29C2
 386 #define PCI_CHIP_Q35_G                  0x29B2
 387 #define PCI_CHIP_Q33_G                  0x29D2
 388
 389
 390 /* ================================================================
 391  * intel_context.c:
 392  */
 393
 394 extern GLboolean intelInitContext(struct intel_context *intel,
 395                                   const __GLcontextModes * mesaVis,
 396                                   __DRIcontextPrivate * driContextPriv,
 397                                   void *sharedContextPrivate,
 398                                   struct dd_function_table *functions);
 399
 400 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 401
 402 extern void intelFinish(GLcontext * ctx);
 403 extern void intelFlush(GLcontext * ctx);
 404
 405 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 406
 407
 408 /* ================================================================
 409  * intel_state.c:
 410  */
 411 extern void intelInitStateFuncs(struct dd_function_table *functions);
 412
 413 #define COMPAREFUNC_ALWAYS              0
 414 #define COMPAREFUNC_NEVER               0x1
 415 #define COMPAREFUNC_LESS                0x2
 416 #define COMPAREFUNC_EQUAL               0x3
 417 #define COMPAREFUNC_LEQUAL              0x4
 418 #define COMPAREFUNC_GREATER             0x5
 419 #define COMPAREFUNC_NOTEQUAL            0x6
 420 #define COMPAREFUNC_GEQUAL              0x7
 421
 422 #define STENCILOP_KEEP                  0
 423 #define STENCILOP_ZERO                  0x1
 424 #define STENCILOP_REPLACE               0x2
 425 #define STENCILOP_INCRSAT               0x3
 426 #define STENCILOP_DECRSAT               0x4
 427 #define STENCILOP_INCR                  0x5
 428 #define STENCILOP_DECR                  0x6
 429 #define STENCILOP_INVERT                0x7
 430
 431 #define LOGICOP_CLEAR                   0
 432 #define LOGICOP_NOR                     0x1
 433 #define LOGICOP_AND_INV                 0x2
 434 #define LOGICOP_COPY_INV                0x3
 435 #define LOGICOP_AND_RVRSE               0x4
 436 #define LOGICOP_INV                     0x5
 437 #define LOGICOP_XOR                     0x6
 438 #define LOGICOP_NAND                    0x7
 439 #define LOGICOP_AND                     0x8
 440 #define LOGICOP_EQUIV                   0x9
 441 #define LOGICOP_NOOP                    0xa
 442 #define LOGICOP_OR_INV                  0xb
 443 #define LOGICOP_COPY                    0xc
 444 #define LOGICOP_OR_RVRSE                0xd
 445 #define LOGICOP_OR                      0xe
 446 #define LOGICOP_SET                     0xf
 447
 448 #define BLENDFACT_ZERO                  0x01
 449 #define BLENDFACT_ONE                   0x02
 450 #define BLENDFACT_SRC_COLR              0x03
 451 #define BLENDFACT_INV_SRC_COLR          0x04
 452 #define BLENDFACT_SRC_ALPHA             0x05
 453 #define BLENDFACT_INV_SRC_ALPHA         0x06
 454 #define BLENDFACT_DST_ALPHA             0x07
 455 #define BLENDFACT_INV_DST_ALPHA         0x08
 456 #define BLENDFACT_DST_COLR              0x09
 457 #define BLENDFACT_INV_DST_COLR          0x0a
 458 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 459 #define BLENDFACT_CONST_COLOR           0x0c
 460 #define BLENDFACT_INV_CONST_COLOR       0x0d
 461 #define BLENDFACT_CONST_ALPHA           0x0e
 462 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 463 #define BLENDFACT_MASK                  0x0f
 464
 465 extern int intel_translate_compare_func(GLenum func);
 466 extern int intel_translate_stencil_op(GLenum op);
 467 extern int intel_translate_blend_factor(GLenum factor);
 468 extern int intel_translate_logic_op(GLenum opcode);
 469
 470
 471 /*======================================================================
 472  * Inline conversion functions.
 473  * These are better-typed than the macros used previously:
 474  */
 475 static INLINE struct intel_context *
 476 intel_context(GLcontext * ctx)
 477 {
 478    return (struct intel_context *) ctx;
 479 }
 480
 481 static INLINE struct intel_texture_object *
 482 intel_texture_object(struct gl_texture_object *obj)
 483 {
 484    return (struct intel_texture_object *) obj;
 485 }
 486
 487 static INLINE struct intel_texture_image *
 488 intel_texture_image(struct gl_texture_image *img)
 489 {
 490    return (struct intel_texture_image *) img;
 491 }
 492
 493 extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer
 494                                                      *rb);
 495
 496
 497 #endif