src/mesa/drivers/dri/i965/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 "texmem.h"
  36
  37 #include "intel_screen.h"
  38 #include "i830_common.h"
  39 #include "tnl/t_vertex.h"
  40
  41 #define TAG(x) intel##x
  42 #include "tnl_dd/t_dd_vertex.h"
  43 #undef TAG
  44
  45 #define DV_PF_555  (1<<8)
  46 #define DV_PF_565  (2<<8)
  47 #define DV_PF_8888 (3<<8)
  48
  49 struct intel_region;
  50 struct intel_context;
  51
  52 typedef void (*intel_tri_func)(struct intel_context *, intelVertex *, intelVertex *,
  53                                                           intelVertex *);
  54 typedef void (*intel_line_func)(struct intel_context *, intelVertex *, intelVertex *);
  55 typedef void (*intel_point_func)(struct intel_context *, intelVertex *);
  56
  57 #define INTEL_FALLBACK_DRAW_BUFFER       0x1
  58 #define INTEL_FALLBACK_READ_BUFFER       0x2
  59 #define INTEL_FALLBACK_USER              0x4
  60 #define INTEL_FALLBACK_RENDERMODE        0x8
  61 #define INTEL_FALLBACK_TEXTURE           0x10
  62
  63 extern void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode );
  64 #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
  65
  66
  67
  68 struct intel_texture_object
  69 {
  70    struct gl_texture_object base; /* The "parent" object */
  71
  72    /* The mipmap tree must include at least these levels once
  73     * validated:
  74     */
  75    GLuint firstLevel;
  76    GLuint lastLevel;
  77
  78    GLuint dirty_images[6];
  79    GLuint dirty;
  80
  81    /* On validation any active images held in main memory or in other
  82     * regions will be copied to this region and the old storage freed.
  83     */
  84    struct intel_mipmap_tree *mt;
  85 };
  86
  87
  88
  89 struct intel_context
  90 {
  91    GLcontext ctx;               /* the parent class */
  92
  93    struct {
  94       void (*destroy)( struct intel_context *intel );
  95       void (*emit_state)( struct intel_context *intel );
  96       void (*emit_invarient_state)( struct intel_context *intel );
  97       void (*lost_hardware)( struct intel_context *intel );
  98       void (*note_fence)( struct intel_context *intel, GLuint fence );
  99       void (*note_unlock)( struct intel_context *intel );
 100       void (*update_texture_state)( struct intel_context *intel );
 101
 102       void (*render_start)( struct intel_context *intel );
 103       void (*set_draw_region)( struct intel_context *intel,
 104                                struct intel_region *draw_region,
 105                                struct intel_region *depth_region );
 106
 107       GLuint (*flush_cmd)( void );
 108
 109       void (*emit_flush)( struct intel_context *intel,
 110                           GLuint unused );
 111
 112       void (*reduced_primitive_state)( struct intel_context *intel, GLenum rprim );
 113
 114       GLboolean (*check_vertex_size)( struct intel_context *intel, GLuint expected );
 115
 116       void (*invalidate_state)( struct intel_context *intel, GLuint new_state );
 117
 118       /* Metaops:
 119        */
 120       void (*install_meta_state)( struct intel_context *intel );
 121       void (*leave_meta_state)( struct intel_context *intel );
 122
 123       void (*meta_draw_region)( struct intel_context *intel,
 124                                 struct intel_region *draw_region,
 125                                 struct intel_region *depth_region );
 126
 127       void (*meta_color_mask)( struct intel_context *intel,
 128                                GLboolean );
 129
 130       void (*meta_stencil_replace)( struct intel_context *intel,
 131                                     GLuint mask,
 132                                     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       void (*meta_import_pixel_state) (struct intel_context * intel);
 142       void (*meta_frame_buffer_texture)( struct intel_context *intel,
 143                                          GLint xoff, GLint yoff );
 144
 145       void (*meta_draw_quad)(struct intel_context *intel,
 146                              GLfloat x0, GLfloat x1,
 147                              GLfloat y0, GLfloat y1,
 148                              GLfloat z,
 149                              GLubyte red, GLubyte green,
 150                              GLubyte blue, GLubyte alpha,
 151                              GLfloat s0, GLfloat s1,
 152                              GLfloat t0, GLfloat t1);
 153
 154       void (*debug_batch)(struct intel_context *intel);
 155    } vtbl;
 156
 157    GLint refcount;
 158    GLuint Fallback;
 159    GLuint NewGLState;
 160
 161    dri_bufmgr *bufmgr;
 162    unsigned int maxBatchSize;
 163
 164    struct intel_region *front_region;
 165    struct intel_region *back_region;
 166    struct intel_region *third_region;
 167    struct intel_region *depth_region;
 168
 169    /**
 170     * This value indicates that the kernel memory manager is being used
 171     * instead of the fake client-side memory manager.
 172     */
 173    GLboolean ttm;
 174
 175    dri_fence *first_swap_fence;
 176    dri_fence *last_swap_fence;
 177
 178    GLuint stats_wm;
 179
 180    struct intel_batchbuffer *batch;
 181    unsigned batch_id;
 182
 183    GLubyte clear_chan[4];
 184    GLuint ClearColor;
 185    GLuint ClearDepth;
 186
 187    GLfloat depth_scale;
 188    GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
 189    GLuint depth_clear_mask;
 190    GLuint stencil_clear_mask;
 191
 192    GLboolean hw_stencil;
 193    GLboolean hw_stipple;
 194    GLboolean depth_buffer_is_float;
 195    GLboolean no_rast;
 196    GLboolean locked;
 197    GLboolean strict_conformance;
 198    GLboolean need_flush;
 199
 200    /* State for intelvb.c and inteltris.c.
 201     */
 202    GLenum render_primitive;
 203    GLenum reduced_primitive;
 204
 205    struct intel_region *draw_region;
 206
 207    /* These refer to the current draw (front vs. back) buffer:
 208     */
 209    int drawX;                   /* origin of drawable in draw buffer */
 210    int drawY;
 211    GLuint numClipRects;         /* cliprects for that buffer */
 212    drm_clip_rect_t *pClipRects;
 213    struct gl_texture_object *frame_buffer_texobj;
 214
 215    GLboolean scissor;
 216    drm_clip_rect_t draw_rect;
 217    drm_clip_rect_t scissor_rect;
 218
 219    drm_context_t hHWContext;
 220    drmLock *driHwLock;
 221    int driFd;
 222
 223    __DRIdrawablePrivate *driDrawable;
 224    __DRIdrawablePrivate *driReadDrawable;
 225    __DRIscreenPrivate *driScreen;
 226    intelScreenPrivate *intelScreen;
 227    volatile drmI830Sarea *sarea;
 228
 229    GLuint lastStamp;
 230
 231    GLboolean no_hw;
 232
 233    /**
 234     * Configuration cache
 235     */
 236    driOptionCache optionCache;
 237
 238    int64_t swap_ust;
 239    int64_t swap_missed_ust;
 240
 241    GLuint swap_count;
 242    GLuint swap_missed_count;
 243 };
 244
 245 /* These are functions now:
 246  */
 247 void LOCK_HARDWARE( struct intel_context *intel );
 248 void UNLOCK_HARDWARE( struct intel_context *intel );
 249
 250
 251 #define SUBPIXEL_X 0.125
 252 #define SUBPIXEL_Y 0.125
 253
 254 #define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
 255
 256 /* ================================================================
 257  * Color packing:
 258  */
 259
 260 #define INTEL_PACKCOLOR4444(r,g,b,a) \
 261   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
 262
 263 #define INTEL_PACKCOLOR1555(r,g,b,a) \
 264   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
 265     ((a) ? 0x8000 : 0))
 266
 267 #define INTEL_PACKCOLOR565(r,g,b) \
 268   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
 269
 270 #define INTEL_PACKCOLOR8888(r,g,b,a) \
 271   ((a<<24) | (r<<16) | (g<<8) | b)
 272
 273
 274 #define INTEL_PACKCOLOR(format, r,  g,  b, a)           \
 275 (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :   \
 276  (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :     \
 277   (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :        \
 278    0)))
 279
 280
 281
 282 /* ================================================================
 283  * From linux kernel i386 header files, copes with odd sizes better
 284  * than COPY_DWORDS would:
 285  */
 286 #if defined(i386) || defined(__i386__)
 287 static inline void * __memcpy(void * to, const void * from, size_t n)
 288 {
 289    int d0, d1, d2;
 290    __asm__ __volatile__(
 291       "rep ; movsl\n\t"
 292       "testb $2,%b4\n\t"
 293       "je 1f\n\t"
 294       "movsw\n"
 295       "1:\ttestb $1,%b4\n\t"
 296       "je 2f\n\t"
 297       "movsb\n"
 298       "2:"
 299       : "=&c" (d0), "=&D" (d1), "=&S" (d2)
 300       :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
 301       : "memory");
 302    return (to);
 303 }
 304 #else
 305 #define __memcpy(a,b,c) memcpy(a,b,c)
 306 #endif
 307
 308
 309 /* The system memcpy (at least on ubuntu 5.10) has problems copying
 310  * to agp (writecombined) memory from a source which isn't 64-byte
 311  * aligned - there is a 4x performance falloff.
 312  *
 313  * The x86 __memcpy is immune to this but is slightly slower
 314  * (10%-ish) than the system memcpy.
 315  *
 316  * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
 317  * isn't much faster than x86_memcpy for agp copies.
 318  *
 319  * TODO: switch dynamically.
 320  */
 321 static inline void *do_memcpy( void *dest, const void *src, size_t n )
 322 {
 323    if ( (((unsigned long)src) & 63) ||
 324         (((unsigned long)dest) & 63)) {
 325       return  __memcpy(dest, src, n);
 326    }
 327    else
 328       return memcpy(dest, src, n);
 329 }
 330
 331
 332
 333
 334
 335 /* ================================================================
 336  * Debugging:
 337  */
 338 extern int INTEL_DEBUG;
 339
 340 #define DEBUG_TEXTURE   0x1
 341 #define DEBUG_STATE     0x2
 342 #define DEBUG_IOCTL     0x4
 343 #define DEBUG_PRIMS     0x8
 344 #define DEBUG_VERTS     0x10
 345 #define DEBUG_FALLBACKS 0x20
 346 #define DEBUG_VERBOSE   0x40
 347 #define DEBUG_DRI       0x80
 348 #define DEBUG_DMA       0x100
 349 #define DEBUG_SANITY    0x200
 350 #define DEBUG_SYNC      0x400
 351 #define DEBUG_SLEEP     0x800
 352 #define DEBUG_PIXEL     0x1000
 353 #define DEBUG_STATS     0x2000
 354 #define DEBUG_TILE      0x4000
 355 #define DEBUG_SINGLE_THREAD   0x8000
 356 #define DEBUG_WM        0x10000
 357 #define DEBUG_URB       0x20000
 358 #define DEBUG_VS        0x40000
 359 #define DEBUG_BATCH     0x80000
 360 #define DEBUG_BUFMGR    0x100000
 361 #define DEBUG_BLIT      0x200000
 362 #define DEBUG_REGION    0x400000
 363 #define DEBUG_MIPTREE   0x800000
 364
 365 #define DBG(...) do {                                           \
 366         if (INTEL_DEBUG & FILE_DEBUG_FLAG)                      \
 367                 _mesa_printf(__VA_ARGS__);                      \
 368 } while(0)
 369
 370 /* ================================================================
 371  * intel_context.c:
 372  */
 373
 374 extern GLboolean intelInitContext( struct intel_context *intel,
 375                                    const __GLcontextModes *mesaVis,
 376                                    __DRIcontextPrivate *driContextPriv,
 377                                    void *sharedContextPrivate,
 378                                    struct dd_function_table *functions );
 379
 380 extern void intelGetLock(struct intel_context *intel, GLuint flags);
 381
 382 extern void intelFinish( GLcontext *ctx );
 383 extern void intelFlush( GLcontext *ctx );
 384
 385 extern void intelInitDriverFunctions( struct dd_function_table *functions );
 386
 387
 388 /* ================================================================
 389  * intel_state.c:
 390  */
 391 extern void intelInitStateFuncs( struct dd_function_table *functions );
 392
 393 #define COMPAREFUNC_ALWAYS              0
 394 #define COMPAREFUNC_NEVER               0x1
 395 #define COMPAREFUNC_LESS                0x2
 396 #define COMPAREFUNC_EQUAL               0x3
 397 #define COMPAREFUNC_LEQUAL              0x4
 398 #define COMPAREFUNC_GREATER             0x5
 399 #define COMPAREFUNC_NOTEQUAL            0x6
 400 #define COMPAREFUNC_GEQUAL              0x7
 401
 402 #define STENCILOP_KEEP                  0
 403 #define STENCILOP_ZERO                  0x1
 404 #define STENCILOP_REPLACE               0x2
 405 #define STENCILOP_INCRSAT               0x3
 406 #define STENCILOP_DECRSAT               0x4
 407 #define STENCILOP_INCR                  0x5
 408 #define STENCILOP_DECR                  0x6
 409 #define STENCILOP_INVERT                0x7
 410
 411 #define LOGICOP_CLEAR                   0
 412 #define LOGICOP_NOR                     0x1
 413 #define LOGICOP_AND_INV                 0x2
 414 #define LOGICOP_COPY_INV                0x3
 415 #define LOGICOP_AND_RVRSE               0x4
 416 #define LOGICOP_INV                     0x5
 417 #define LOGICOP_XOR                     0x6
 418 #define LOGICOP_NAND                    0x7
 419 #define LOGICOP_AND                     0x8
 420 #define LOGICOP_EQUIV                   0x9
 421 #define LOGICOP_NOOP                    0xa
 422 #define LOGICOP_OR_INV                  0xb
 423 #define LOGICOP_COPY                    0xc
 424 #define LOGICOP_OR_RVRSE                0xd
 425 #define LOGICOP_OR                      0xe
 426 #define LOGICOP_SET                     0xf
 427
 428 #define BLENDFACT_ZERO                  0x01
 429 #define BLENDFACT_ONE                   0x02
 430 #define BLENDFACT_SRC_COLR              0x03
 431 #define BLENDFACT_INV_SRC_COLR          0x04
 432 #define BLENDFACT_SRC_ALPHA             0x05
 433 #define BLENDFACT_INV_SRC_ALPHA         0x06
 434 #define BLENDFACT_DST_ALPHA             0x07
 435 #define BLENDFACT_INV_DST_ALPHA         0x08
 436 #define BLENDFACT_DST_COLR              0x09
 437 #define BLENDFACT_INV_DST_COLR          0x0a
 438 #define BLENDFACT_SRC_ALPHA_SATURATE    0x0b
 439 #define BLENDFACT_CONST_COLOR           0x0c
 440 #define BLENDFACT_INV_CONST_COLOR       0x0d
 441 #define BLENDFACT_CONST_ALPHA           0x0e
 442 #define BLENDFACT_INV_CONST_ALPHA       0x0f
 443 #define BLENDFACT_MASK                  0x0f
 444
 445 extern int intel_translate_shadow_compare_func( GLenum func );
 446 extern int intel_translate_compare_func( GLenum func );
 447 extern int intel_translate_stencil_op( GLenum op );
 448 extern int intel_translate_blend_factor( GLenum factor );
 449 extern int intel_translate_logic_op( GLenum opcode );
 450
 451
 452 /* ================================================================
 453  * intel_buffers.c:
 454  */
 455 void intelInitBufferFuncs( struct dd_function_table *functions );
 456
 457 struct intel_region *intel_readbuf_region( struct intel_context *intel );
 458 struct intel_region *intel_drawbuf_region( struct intel_context *intel );
 459
 460 extern void intelWindowMoved( struct intel_context *intel );
 461
 462 extern GLboolean intel_intersect_cliprects( drm_clip_rect_t *dest,
 463                                             const drm_clip_rect_t *a,
 464                                             const drm_clip_rect_t *b );
 465
 466
 467 /* ================================================================
 468  * intel_pixel_copy.c:
 469  */
 470 void intelCopyPixels(GLcontext * ctx,
 471                      GLint srcx, GLint srcy,
 472                      GLsizei width, GLsizei height,
 473                      GLint destx, GLint desty, GLenum type);
 474
 475 GLboolean intel_check_blit_fragment_ops(GLcontext * ctx);
 476
 477 void intelBitmap(GLcontext * ctx,
 478                  GLint x, GLint y,
 479                  GLsizei width, GLsizei height,
 480                  const struct gl_pixelstore_attrib *unpack,
 481                  const GLubyte * pixels);
 482
 483 void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging);
 484 #define _NEW_WINDOW_POS 0x40000000
 485
 486
 487 /*======================================================================
 488  * Inline conversion functions.
 489  * These are better-typed than the macros used previously:
 490  */
 491 static inline struct intel_context *intel_context( GLcontext *ctx )
 492 {
 493    return (struct intel_context *)ctx;
 494 }
 495
 496 static inline struct intel_texture_object *intel_texture_object( struct gl_texture_object *obj )
 497 {
 498    return (struct intel_texture_object *)obj;
 499 }
 500
 501 static inline struct intel_texture_image *intel_texture_image( struct gl_texture_image *img )
 502 {
 503    return (struct intel_texture_image *)img;
 504 }
 505
 506 #endif
 507