src/mesa/drivers/dri/i915tex/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 struct _DriBufferObject;
  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
  68 extern void intelFallback(struct intel_context *intel, GLuint bit,
  69                           GLboolean mode);
  70 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  71
  72
  73 #define INTEL_WRITE_PART  0x1
  74 #define INTEL_WRITE_FULL  0x2
  75 #define INTEL_READ        0x4
  76
  77 struct intel_texture_object
  78 {
  79    struct gl_texture_object base;       /* The "parent" object */
  80
  81    /* The mipmap tree must include at least these levels once
  82     * validated:
  83     */
  84    GLuint firstLevel;
  85    GLuint lastLevel;
  86
  87    /* Offset for firstLevel image:
  88     */
  89    GLuint textureOffset;
  90
  91    /* On validation any active images held in main memory or in other
  92     * regions will be copied to this region and the old storage freed.
  93     */
  94    struct intel_mipmap_tree *mt;
  95 };
  96
  97
  98
  99 struct intel_texture_image
 100 {
 101    struct gl_texture_image base;
 102
 103    /* These aren't stored in gl_texture_image
 104     */
 105    GLuint level;
 106    GLuint face;
 107
 108    /* If intelImage->mt != NULL, image data is stored here.
 109     * Else if intelImage->base.Data != NULL, image is stored there.
 110     * Else there is no image data.
 111     */
 112    struct intel_mipmap_tree *mt;
 113 };
 114
 115
 116 #define INTEL_MAX_FIXUP 64
 117
 118 struct intel_context
 119 {
 120    GLcontext ctx;               /* the parent class */
 121
 122    struct
 123    {
 124       void (*destroy) (struct intel_context * intel);
 125       void (*emit_state) (struct intel_context * intel);
 126       void (*lost_hardware) (struct intel_context * intel);
 127       void (*update_texture_state) (struct intel_context * intel);
 128
 129       void (*render_start) (struct intel_context * intel);
 130       void (*set_draw_region) (struct intel_context * intel,
 131                                struct intel_region * draw_region,
 132                                struct intel_region * depth_region);
 133
 134         GLuint(*flush_cmd) (void);
 135
 136       void (*reduced_primitive_state) (struct intel_context * intel,
 137                                        GLenum rprim);
 138
 139         GLboolean(*check_vertex_size) (struct intel_context * intel,
 140                                        GLuint expected);
 141
 142
 143       /* Metaops:
 144        */
 145       void (*install_meta_state) (struct intel_context * intel);
 146       void (*leave_meta_state) (struct intel_context * intel);
 147
 148       void (*meta_draw_region) (struct intel_context * intel,
 149                                 struct intel_region * draw_region,
 150                                 struct intel_region * depth_region);
 151
 152       void (*meta_color_mask) (struct intel_context * intel, GLboolean);
 153
 154       void (*meta_stencil_replace) (struct intel_context * intel,
 155                                     GLuint mask, GLuint clear);
 156
 157       void (*meta_depth_replace) (struct intel_context * intel);
 158
 159       void (*meta_texture_blend_replace) (struct intel_context * intel);
 160
 161       void (*meta_no_stencil_write) (struct intel_context * intel);
 162       void (*meta_no_depth_write) (struct intel_context * intel);
 163       void (*meta_no_texture) (struct intel_context * intel);
 164
 165       void (*meta_import_pixel_state) (struct intel_context * intel);
 166
 167         GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
 168                                           struct _DriBufferObject * buffer,
 169                                           GLuint offset,
 170                                           GLuint pitch,
 171                                           GLuint height,
 172                                           GLenum format, GLenum type);
 173       void (*rotate_window) (struct intel_context * intel,
 174                              __DRIdrawablePrivate * dPriv, GLuint srcBuf);
 175
 176       void (*assert_not_dirty) (struct intel_context *intel);
 177
 178    } vtbl;
 179
 180    GLint refcount;
 181    GLuint Fallback;
 182    GLuint NewGLState;
 183
 184    struct _DriFenceObject *last_swap_fence;
 185    struct _DriFenceObject *first_swap_fence;
 186
 187    struct intel_batchbuffer *batch;
 188
 189    struct
 190    {
 191       GLuint id;
 192       GLuint primitive;
 193       GLubyte *start_ptr;
 194       void (*flush) (struct intel_context *);
 195    } prim;
 196
 197    GLboolean locked;
 198    char *prevLockFile;
 199    int prevLockLine;
 200
 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_stipple;
 217    GLboolean strict_conformance;
 218
 219    /* AGP memory buffer manager:
 220     */
 221    struct bufmgr *bm;
 222
 223
 224    /* State for intelvb.c and inteltris.c.
 225     */
 226    GLuint RenderIndex;
 227    GLmatrix ViewportMatrix;
 228    GLenum render_primitive;
 229    GLenum reduced_primitive;
 230    GLuint vertex_size;
 231    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 232
 233 #if 0
 234    struct intel_region *front_region;   /* XXX FBO: obsolete */
 235    struct intel_region *rotated_region; /* XXX FBO: obsolete */
 236    struct intel_region *back_region;    /* XXX FBO: obsolete */
 237    struct intel_region *draw_region;    /* XXX FBO: rename to color_region */
 238    struct intel_region *depth_region;   /**< currently bound depth/Z region */
 239 #endif
 240
 241    /* Fallback rasterization functions
 242     */
 243    intel_point_func draw_point;
 244    intel_line_func draw_line;
 245    intel_tri_func draw_tri;
 246
 247    /* These refer to the current drawing buffer:
 248     */
 249    int drawX, drawY;            /**< origin of drawing area within region */
 250    GLuint numClipRects;         /**< cliprects for drawing */
 251    drm_clip_rect_t *pClipRects;
 252    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 253
 254    int perf_boxes;
 255
 256    GLuint do_usleeps;
 257    int do_irqs;
 258    GLuint irqsEmitted;
 259    drm_i915_irq_wait_t iw;
 260
 261    drm_context_t hHWContext;
 262    drmLock *driHwLock;
 263    int driFd;
 264
 265    __DRIdrawablePrivate *driDrawable;
 266    __DRIscreenPrivate *driScreen;
 267    intelScreenPrivate *intelScreen;
 268    drmI830Sarea *sarea;
 269
 270    GLuint lastStamp;
 271
 272    /**
 273     * Configuration cache
 274     */
 275    driOptionCache optionCache;
 276
 277   /* Rotation. Need to match that of the
 278    * current screen.
 279    */
 280
 281   int width;
 282   int height;
 283   int current_rotation;
 284 };
 285
 286 /* These are functions now:
 287  */
 288 void LOCK_HARDWARE( struct intel_context *intel );
 289 void UNLOCK_HARDWARE( struct intel_context *intel );
 290
 291 extern char *__progname;
 292
 293
 294 #define SUBPIXEL_X 0.125
 295 #define SUBPIXEL_Y 0.125
 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                0
 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
 385
 386 /* ================================================================
 387  * intel_context.c:
 388  */
 389
 390 extern GLboolean intelInitContext(struct intel_context *intel,
 391                                   const __GLcontextModes * mesaVis,
 392                                   __DRIcontextPrivate * driContextPriv,
 393                                   void *sharedContextPrivate,
 394                                   struct dd_function_table *functions);
 395
 396 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 397
 398 extern void intelInitState(GLcontext * ctx);
 399 extern void intelFinish(GLcontext * ctx);
 400 extern void intelFlush(GLcontext * ctx);
 401
 402 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 403
 404
 405 /* ================================================================
 406  * intel_state.c:
 407  */
 408 extern void intelInitStateFuncs(struct dd_function_table *functions);
 409
 410 #define COMPAREFUNC_ALWAYS              0
 411 #define COMPAREFUNC_NEVER               0x1
 412 #define COMPAREFUNC_LESS                0x2
 413 #define COMPAREFUNC_EQUAL               0x3
 414 #define COMPAREFUNC_LEQUAL              0x4
 415 #define COMPAREFUNC_GREATER             0x5
 416 #define COMPAREFUNC_NOTEQUAL            0x6
 417 #define COMPAREFUNC_GEQUAL              0x7
 418
 419 #define STENCILOP_KEEP                  0
 420 #define STENCILOP_ZERO                  0x1
 421 #define STENCILOP_REPLACE               0x2
 422 #define STENCILOP_INCRSAT               0x3
 423 #define STENCILOP_DECRSAT               0x4
 424 #define STENCILOP_INCR                  0x5
 425 #define STENCILOP_DECR                  0x6
 426 #define STENCILOP_INVERT                0x7
 427
 428 #define LOGICOP_CLEAR                   0
 429 #define LOGICOP_NOR                     0x1
 430 #define LOGICOP_AND_INV                 0x2
 431 #define LOGICOP_COPY_INV                0x3
 432 #define LOGICOP_AND_RVRSE               0x4
 433 #define LOGICOP_INV                     0x5
 434 #define LOGICOP_XOR                     0x6
 435 #define LOGICOP_NAND                    0x7
 436 #define LOGICOP_AND                     0x8
 437 #define LOGICOP_EQUIV                   0x9
 438 #define LOGICOP_NOOP                    0xa
 439 #define LOGICOP_OR_INV                  0xb
 440 #define LOGICOP_COPY                    0xc
 441 #define LOGICOP_OR_RVRSE                0xd
 442 #define LOGICOP_OR                      0xe
 443 #define LOGICOP_SET                     0xf
 444
 445 #define BLENDFACT_ZERO                  0x01
 446 #define BLENDFACT_ONE                   0x02
 447 #define BLENDFACT_SRC_COLR              0x03
 448 #define BLENDFACT_INV_SRC_COLR          0x04
 449 #define BLENDFACT_SRC_ALPHA             0x05
 450 #define BLENDFACT_INV_SRC_ALPHA         0x06
 451 #define BLENDFACT_DST_ALPHA             0x07
 452 #define BLENDFACT_INV_DST_ALPHA         0x08
 453 #define BLENDFACT_DST_COLR              0x09
 454 #define BLENDFACT_INV_DST_COLR          0x0a
 455 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 456 #define BLENDFACT_CONST_COLOR           0x0c
 457 #define BLENDFACT_INV_CONST_COLOR       0x0d
 458 #define BLENDFACT_CONST_ALPHA           0x0e
 459 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 460 #define BLENDFACT_MASK                  0x0f
 461
 462 #define MI_BATCH_BUFFER_END     (0xA<<23)
 463
 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