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
 178       void (*assert_not_dirty) (struct intel_context *intel);
 179
 180    } vtbl;
 181
 182    GLint refcount;
 183    GLuint Fallback;
 184    GLuint NewGLState;
 185
 186    dri_fence *last_swap_fence;
 187    dri_fence *first_swap_fence;
 188
 189    struct intel_batchbuffer *batch;
 190
 191    struct
 192    {
 193       GLuint id;
 194       GLuint primitive;
 195       GLubyte *start_ptr;
 196       void (*flush) (struct intel_context *);
 197    } prim;
 198
 199    GLboolean locked;
 200    char *prevLockFile;
 201    int prevLockLine;
 202
 203    GLuint ClearColor565;
 204    GLuint ClearColor8888;
 205
 206    /* Offsets of fields within the current vertex:
 207     */
 208    GLuint coloroffset;
 209    GLuint specoffset;
 210    GLuint wpos_offset;
 211    GLuint wpos_size;
 212
 213    struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 214    GLuint vertex_attr_count;
 215
 216    GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */
 217
 218    GLboolean hw_stipple;
 219    GLboolean strict_conformance;
 220
 221    /* State for intelvb.c and inteltris.c.
 222     */
 223    GLuint RenderIndex;
 224    GLmatrix ViewportMatrix;
 225    GLenum render_primitive;
 226    GLenum reduced_primitive;
 227    GLuint vertex_size;
 228    GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */
 229
 230    /* Fallback rasterization functions
 231     */
 232    intel_point_func draw_point;
 233    intel_line_func draw_line;
 234    intel_tri_func draw_tri;
 235
 236    /* These refer to the current drawing buffer:
 237     */
 238    int drawX, drawY;            /**< origin of drawing area within region */
 239    GLuint numClipRects;         /**< cliprects for drawing */
 240    drm_clip_rect_t *pClipRects;
 241    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 242
 243    int perf_boxes;
 244
 245    GLuint do_usleeps;
 246    int do_irqs;
 247    GLuint irqsEmitted;
 248
 249    drm_context_t hHWContext;
 250    drmLock *driHwLock;
 251    int driFd;
 252
 253    __DRIdrawablePrivate *driDrawable;
 254    __DRIscreenPrivate *driScreen;
 255    intelScreenPrivate *intelScreen;
 256    drmI830Sarea *sarea;
 257
 258    GLuint lastStamp;
 259
 260    /**
 261     * Configuration cache
 262     */
 263    driOptionCache optionCache;
 264
 265    /* Last seen width/height of the screen */
 266    int width;
 267    int height;
 268 };
 269
 270 /* These are functions now:
 271  */
 272 void LOCK_HARDWARE( struct intel_context *intel );
 273 void UNLOCK_HARDWARE( struct intel_context *intel );
 274
 275 extern char *__progname;
 276
 277
 278 #define SUBPIXEL_X 0.125
 279 #define SUBPIXEL_Y 0.125
 280
 281 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 282
 283 #define INTEL_FIREVERTICES(intel)               \
 284 do {                                            \
 285    if ((intel)->prim.flush)                     \
 286       (intel)->prim.flush(intel);               \
 287 } while (0)
 288
 289 /* ================================================================
 290  * Color packing:
 291  */
 292
 293 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 294   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 295
 296 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 297   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 298     ((a) ? 0x8000 : 0))
 299
 300 #define INTEL_PACKCOLOR565(r,g,b) \
 301   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 302
 303 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 304   ((a<<24) | (r<<16) | (g<<8) | b)
 305
 306
 307
 308 /* ================================================================
 309  * From linux kernel i386 header files, copes with odd sizes better
 310  * than COPY_DWORDS would:
 311  * XXX Put this in src/mesa/main/imports.h ???
 312  */
 313 #if defined(i386) || defined(__i386__)
 314 static INLINE void *
 315 __memcpy(void *to, const void *from, size_t n)
 316 {
 317    int d0, d1, d2;
 318    __asm__ __volatile__("rep ; movsl\n\t"
 319                         "testb $2,%b4\n\t"
 320                         "je 1f\n\t"
 321                         "movsw\n"
 322                         "1:\ttestb $1,%b4\n\t"
 323                         "je 2f\n\t"
 324                         "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
 325                         :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
 326                         :"memory");
 327    return (to);
 328 }
 329 #else
 330 #define __memcpy(a,b,c) memcpy(a,b,c)
 331 #endif
 332
 333
 334
 335 /* ================================================================
 336  * Debugging:
 337  */
 338 #define DO_DEBUG                1
 339 #if DO_DEBUG
 340 extern int INTEL_DEBUG;
 341 #else
 342 #define INTEL_DEBUG             0
 343 #endif
 344
 345 #define DEBUG_TEXTURE   0x1
 346 #define DEBUG_STATE     0x2
 347 #define DEBUG_IOCTL     0x4
 348 #define DEBUG_BLIT      0x8
 349 #define DEBUG_MIPTREE   0x10
 350 #define DEBUG_FALLBACKS 0x20
 351 #define DEBUG_VERBOSE   0x40
 352 #define DEBUG_BATCH     0x80
 353 #define DEBUG_PIXEL     0x100
 354 #define DEBUG_BUFMGR    0x200
 355 #define DEBUG_REGION    0x400
 356 #define DEBUG_FBO       0x800
 357 #define DEBUG_LOCK      0x1000
 358 #define DEBUG_SYNC      0x2000
 359
 360 #define DBG(...)  do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
 361
 362
 363 #define PCI_CHIP_845_G                  0x2562
 364 #define PCI_CHIP_I830_M                 0x3577
 365 #define PCI_CHIP_I855_GM                0x3582
 366 #define PCI_CHIP_I865_G                 0x2572
 367 #define PCI_CHIP_I915_G                 0x2582
 368 #define PCI_CHIP_I915_GM                0x2592
 369 #define PCI_CHIP_I945_G                 0x2772
 370 #define PCI_CHIP_I945_GM                0x27A2
 371 #define PCI_CHIP_I945_GME               0x27AE
 372 #define PCI_CHIP_G33_G                  0x29C2
 373 #define PCI_CHIP_Q35_G                  0x29B2
 374 #define PCI_CHIP_Q33_G                  0x29D2
 375
 376
 377 /* ================================================================
 378  * intel_context.c:
 379  */
 380
 381 extern GLboolean intelInitContext(struct intel_context *intel,
 382                                   const __GLcontextModes * mesaVis,
 383                                   __DRIcontextPrivate * driContextPriv,
 384                                   void *sharedContextPrivate,
 385                                   struct dd_function_table *functions);
 386
 387 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 388
 389 extern void intelFinish(GLcontext * ctx);
 390 extern void intelFlush(GLcontext * ctx);
 391
 392 extern void intelInitDriverFunctions(struct dd_function_table *functions);
 393
 394
 395 /* ================================================================
 396  * intel_state.c:
 397  */
 398 extern void intelInitStateFuncs(struct dd_function_table *functions);
 399
 400 #define COMPAREFUNC_ALWAYS              0
 401 #define COMPAREFUNC_NEVER               0x1
 402 #define COMPAREFUNC_LESS                0x2
 403 #define COMPAREFUNC_EQUAL               0x3
 404 #define COMPAREFUNC_LEQUAL              0x4
 405 #define COMPAREFUNC_GREATER             0x5
 406 #define COMPAREFUNC_NOTEQUAL            0x6
 407 #define COMPAREFUNC_GEQUAL              0x7
 408
 409 #define STENCILOP_KEEP                  0
 410 #define STENCILOP_ZERO                  0x1
 411 #define STENCILOP_REPLACE               0x2
 412 #define STENCILOP_INCRSAT               0x3
 413 #define STENCILOP_DECRSAT               0x4
 414 #define STENCILOP_INCR                  0x5
 415 #define STENCILOP_DECR                  0x6
 416 #define STENCILOP_INVERT                0x7
 417
 418 #define LOGICOP_CLEAR                   0
 419 #define LOGICOP_NOR                     0x1
 420 #define LOGICOP_AND_INV                 0x2
 421 #define LOGICOP_COPY_INV                0x3
 422 #define LOGICOP_AND_RVRSE               0x4
 423 #define LOGICOP_INV                     0x5
 424 #define LOGICOP_XOR                     0x6
 425 #define LOGICOP_NAND                    0x7
 426 #define LOGICOP_AND                     0x8
 427 #define LOGICOP_EQUIV                   0x9
 428 #define LOGICOP_NOOP                    0xa
 429 #define LOGICOP_OR_INV                  0xb
 430 #define LOGICOP_COPY                    0xc
 431 #define LOGICOP_OR_RVRSE                0xd
 432 #define LOGICOP_OR                      0xe
 433 #define LOGICOP_SET                     0xf
 434
 435 #define BLENDFACT_ZERO                  0x01
 436 #define BLENDFACT_ONE                   0x02
 437 #define BLENDFACT_SRC_COLR              0x03
 438 #define BLENDFACT_INV_SRC_COLR          0x04
 439 #define BLENDFACT_SRC_ALPHA             0x05
 440 #define BLENDFACT_INV_SRC_ALPHA         0x06
 441 #define BLENDFACT_DST_ALPHA             0x07
 442 #define BLENDFACT_INV_DST_ALPHA         0x08
 443 #define BLENDFACT_DST_COLR              0x09
 444 #define BLENDFACT_INV_DST_COLR          0x0a
 445 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 446 #define BLENDFACT_CONST_COLOR           0x0c
 447 #define BLENDFACT_INV_CONST_COLOR       0x0d
 448 #define BLENDFACT_CONST_ALPHA           0x0e
 449 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 450 #define BLENDFACT_MASK                  0x0f
 451
 452 extern int intel_translate_compare_func(GLenum func);
 453 extern int intel_translate_stencil_op(GLenum op);
 454 extern int intel_translate_blend_factor(GLenum factor);
 455 extern int intel_translate_logic_op(GLenum opcode);
 456
 457
 458 /*======================================================================
 459  * Inline conversion functions.
 460  * These are better-typed than the macros used previously:
 461  */
 462 static INLINE struct intel_context *
 463 intel_context(GLcontext * ctx)
 464 {
 465    return (struct intel_context *) ctx;
 466 }
 467
 468 static INLINE struct intel_texture_object *
 469 intel_texture_object(struct gl_texture_object *obj)
 470 {
 471    return (struct intel_texture_object *) obj;
 472 }
 473
 474 static INLINE struct intel_texture_image *
 475 intel_texture_image(struct gl_texture_image *img)
 476 {
 477    return (struct intel_texture_image *) img;
 478 }
 479
 480 extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer
 481                                                      *rb);
 482
 483
 484 #endif