summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i965/intel_context.h
blob: 8367a957109bf2320e4f3f492754ecbc8243881d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
/**************************************************************************
 * 
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

#ifndef INTELCONTEXT_INC
#define INTELCONTEXT_INC



#include "mtypes.h"
#include "drm.h"
#include "texmem.h"

#include "intel_screen.h"
#include "i830_common.h"
#include "tnl/t_vertex.h"

#define TAG(x) intel##x
#include "tnl_dd/t_dd_vertex.h"
#undef TAG

#define DV_PF_555  (1<<8)
#define DV_PF_565  (2<<8)
#define DV_PF_8888 (3<<8)

struct intel_region;
struct intel_context;

typedef void (*intel_tri_func)(struct intel_context *, intelVertex *, intelVertex *,
							  intelVertex *);
typedef void (*intel_line_func)(struct intel_context *, intelVertex *, intelVertex *);
typedef void (*intel_point_func)(struct intel_context *, intelVertex *);

#define INTEL_FALLBACK_DRAW_BUFFER	 0x1
#define INTEL_FALLBACK_READ_BUFFER	 0x2
#define INTEL_FALLBACK_USER		 0x4
#define INTEL_FALLBACK_RENDERMODE	 0x8
#define INTEL_FALLBACK_TEXTURE   	 0x10

extern void intelFallback( struct intel_context *intel, GLuint bit, GLboolean mode );
#define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )



struct intel_texture_object
{
   struct gl_texture_object base; /* The "parent" object */

   /* The mipmap tree must include at least these levels once
    * validated:
    */
   GLuint firstLevel;
   GLuint lastLevel;

   GLuint dirty_images[6];
   GLuint dirty;

   /* On validation any active images held in main memory or in other
    * regions will be copied to this region and the old storage freed.
    */
   struct intel_mipmap_tree *mt;
};



struct intel_context
{
   GLcontext ctx;		/* the parent class */

   struct {
      void (*destroy)( struct intel_context *intel ); 
      void (*emit_state)( struct intel_context *intel );
      void (*emit_invarient_state)( struct intel_context *intel );
      void (*lost_hardware)( struct intel_context *intel );
      void (*note_fence)( struct intel_context *intel, GLuint fence );
      void (*note_unlock)( struct intel_context *intel );
      void (*update_texture_state)( struct intel_context *intel );

      void (*render_start)( struct intel_context *intel );
      void (*set_draw_region)( struct intel_context *intel, 
			       struct intel_region *draw_region,
			       struct intel_region *depth_region );

      GLuint (*flush_cmd)( void );

      void (*emit_flush)( struct intel_context *intel,
			  GLuint unused );

      void (*aub_commands)( struct intel_context *intel, 
			    GLuint offset,
			    const void *buf,
			    GLuint sz );
      void (*aub_dump_bmp)( struct intel_context *intel, GLuint buffer );
      void (*aub_wrap)( struct intel_context *intel );
      void (*aub_gtt_data)( struct intel_context *intel, 
			    GLuint offset,
			    const void *src,
			    GLuint size,
			    GLuint aubtype, 
			    GLuint aubsubtype);


      void (*reduced_primitive_state)( struct intel_context *intel, GLenum rprim );

      GLboolean (*check_vertex_size)( struct intel_context *intel, GLuint expected );

      void (*invalidate_state)( struct intel_context *intel, GLuint new_state );

      /* Metaops: 
       */
      void (*install_meta_state)( struct intel_context *intel );
      void (*leave_meta_state)( struct intel_context *intel );

      void (*meta_draw_region)( struct intel_context *intel,
				struct intel_region *draw_region,
				struct intel_region *depth_region );

      void (*meta_color_mask)( struct intel_context *intel,
			       GLboolean );
      
      void (*meta_stencil_replace)( struct intel_context *intel,
				    GLuint mask,
				    GLuint clear );

      void (*meta_depth_replace)( struct intel_context *intel );

      void (*meta_texture_blend_replace) (struct intel_context * intel);
      
      void (*meta_no_stencil_write)( struct intel_context *intel );
      void (*meta_no_depth_write)( struct intel_context *intel );
      void (*meta_no_texture)( struct intel_context *intel );
      void (*meta_import_pixel_state) (struct intel_context * intel);
      void (*meta_frame_buffer_texture)( struct intel_context *intel,
					 GLint xoff, GLint yoff );

      void (*meta_draw_quad)(struct intel_context *intel, 
			     GLfloat x0, GLfloat x1,
			     GLfloat y0, GLfloat y1, 
			     GLfloat z,
			     GLubyte red, GLubyte green,
			     GLubyte blue, GLubyte alpha,
			     GLfloat s0, GLfloat s1,
			     GLfloat t0, GLfloat t1);



   } vtbl;

   GLint refcount;   
   GLuint Fallback;
   GLuint NewGLState;
   
   GLuint last_swap_fence;
   GLuint second_last_swap_fence;
   
   GLboolean aub_wrap;

   struct intel_batchbuffer *batch;

   GLubyte clear_chan[4];
   GLuint ClearColor;
   GLuint ClearDepth;

   GLfloat depth_scale;
   GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
   GLuint depth_clear_mask;
   GLuint stencil_clear_mask;

   GLboolean hw_stencil;
   GLboolean hw_stipple;
   GLboolean depth_buffer_is_float;
   GLboolean no_hw;
   GLboolean no_rast;
   GLboolean thrashing;
   GLboolean locked;
   GLboolean strict_conformance;
   GLboolean need_flush;


   
   /* AGP memory buffer manager:
    */
   struct bufmgr *bm;


   /* State for intelvb.c and inteltris.c.
    */
   GLenum render_primitive;
   GLenum reduced_primitive;

   struct intel_region *front_region;
   struct intel_region *back_region;
   struct intel_region *draw_region;
   struct intel_region *depth_region;

   /* These refer to the current draw (front vs. back) buffer:
    */
   int drawX;			/* origin of drawable in draw buffer */
   int drawY;
   GLuint numClipRects;		/* cliprects for that buffer */
   drm_clip_rect_t *pClipRects;
   struct gl_texture_object *frame_buffer_texobj;

   GLboolean scissor;
   drm_clip_rect_t draw_rect;
   drm_clip_rect_t scissor_rect;

   drm_context_t hHWContext;
   drmLock *driHwLock;
   int driFd;

   __DRIdrawablePrivate *driDrawable;
   __DRIscreenPrivate *driScreen;
   intelScreenPrivate *intelScreen; 
   volatile drmI830Sarea *sarea; 
   
   FILE *aub_file;

   GLuint lastStamp;

   /**
    * Configuration cache
    */
   driOptionCache optionCache;

   /* VBI
    */
   GLuint vbl_seq;
   GLuint vblank_flags;

   int64_t swap_ust;
   int64_t swap_missed_ust;

   GLuint swap_count;
   GLuint swap_missed_count;
};

/* These are functions now:
 */
void LOCK_HARDWARE( struct intel_context *intel );
void UNLOCK_HARDWARE( struct intel_context *intel );


#define SUBPIXEL_X 0.125
#define SUBPIXEL_Y 0.125

/* ================================================================
 * Color packing:
 */

#define INTEL_PACKCOLOR4444(r,g,b,a) \
  ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))

#define INTEL_PACKCOLOR1555(r,g,b,a) \
  ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
    ((a) ? 0x8000 : 0))

#define INTEL_PACKCOLOR565(r,g,b) \
  ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))

#define INTEL_PACKCOLOR8888(r,g,b,a) \
  ((a<<24) | (r<<16) | (g<<8) | b)


#define INTEL_PACKCOLOR(format, r,  g,  b, a)		\
(format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) :	\
 (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) :	\
  (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) :	\
   0)))



/* ================================================================
 * From linux kernel i386 header files, copes with odd sizes better
 * than COPY_DWORDS would:
 */
#if defined(i386) || defined(__i386__)
static inline void * __memcpy(void * to, const void * from, size_t n)
{
   int d0, d1, d2;
   __asm__ __volatile__(
      "rep ; movsl\n\t"
      "testb $2,%b4\n\t"
      "je 1f\n\t"
      "movsw\n"
      "1:\ttestb $1,%b4\n\t"
      "je 2f\n\t"
      "movsb\n"
      "2:"
      : "=&c" (d0), "=&D" (d1), "=&S" (d2)
      :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
      : "memory");
   return (to);
}
#else
#define __memcpy(a,b,c) memcpy(a,b,c)
#endif


/* The system memcpy (at least on ubuntu 5.10) has problems copying
 * to agp (writecombined) memory from a source which isn't 64-byte
 * aligned - there is a 4x performance falloff.
 *
 * The x86 __memcpy is immune to this but is slightly slower
 * (10%-ish) than the system memcpy.
 *
 * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
 * isn't much faster than x86_memcpy for agp copies.
 * 
 * TODO: switch dynamically.
 */
static inline void *do_memcpy( void *dest, const void *src, size_t n )
{
   if ( (((unsigned long)src) & 63) ||
	(((unsigned long)dest) & 63)) {
      return  __memcpy(dest, src, n);	
   }
   else
      return memcpy(dest, src, n);
}





/* ================================================================
 * Debugging:
 */
extern int INTEL_DEBUG;

#define DEBUG_TEXTURE	0x1
#define DEBUG_STATE	0x2
#define DEBUG_IOCTL	0x4
#define DEBUG_PRIMS	0x8
#define DEBUG_VERTS	0x10
#define DEBUG_FALLBACKS	0x20
#define DEBUG_VERBOSE	0x40
#define DEBUG_DRI       0x80
#define DEBUG_DMA       0x100
#define DEBUG_SANITY    0x200
#define DEBUG_SYNC      0x400
#define DEBUG_SLEEP     0x800
#define DEBUG_PIXEL     0x1000
#define DEBUG_STATS     0x2000
#define DEBUG_TILE      0x4000
#define DEBUG_SINGLE_THREAD   0x8000
#define DEBUG_WM        0x10000
#define DEBUG_URB       0x20000
#define DEBUG_VS        0x40000


#define PCI_CHIP_845_G			0x2562
#define PCI_CHIP_I830_M			0x3577
#define PCI_CHIP_I855_GM		0x3582
#define PCI_CHIP_I865_G			0x2572
#define PCI_CHIP_I915_G			0x2582
#define PCI_CHIP_I915_GM		0x2592
#define PCI_CHIP_I945_G			0x2772
#define PCI_CHIP_I965_G			0x29A2
#define PCI_CHIP_I965_Q			0x2992
#define PCI_CHIP_I965_G_1		0x2982
#define PCI_CHIP_I946_GZ		0x2972


/* ================================================================
 * intel_context.c:
 */

extern GLboolean intelInitContext( struct intel_context *intel, 
				   const __GLcontextModes *mesaVis,
				   __DRIcontextPrivate *driContextPriv,
				   void *sharedContextPrivate,
				   struct dd_function_table *functions );

extern void intelGetLock(struct intel_context *intel, GLuint flags);

extern void intelInitState( GLcontext *ctx );
extern void intelFinish( GLcontext *ctx );
extern void intelFlush( GLcontext *ctx );

extern void intelInitDriverFunctions( struct dd_function_table *functions );


/* ================================================================
 * intel_state.c:
 */
extern void intelInitStateFuncs( struct dd_function_table *functions );

#define COMPAREFUNC_ALWAYS		0
#define COMPAREFUNC_NEVER		0x1
#define COMPAREFUNC_LESS		0x2
#define COMPAREFUNC_EQUAL		0x3
#define COMPAREFUNC_LEQUAL		0x4
#define COMPAREFUNC_GREATER		0x5
#define COMPAREFUNC_NOTEQUAL		0x6
#define COMPAREFUNC_GEQUAL		0x7

#define STENCILOP_KEEP			0
#define STENCILOP_ZERO			0x1
#define STENCILOP_REPLACE		0x2
#define STENCILOP_INCRSAT		0x3
#define STENCILOP_DECRSAT		0x4
#define STENCILOP_INCR			0x5
#define STENCILOP_DECR			0x6
#define STENCILOP_INVERT		0x7

#define LOGICOP_CLEAR			0
#define LOGICOP_NOR			0x1
#define LOGICOP_AND_INV 		0x2
#define LOGICOP_COPY_INV		0x3
#define LOGICOP_AND_RVRSE		0x4
#define LOGICOP_INV			0x5
#define LOGICOP_XOR			0x6
#define LOGICOP_NAND			0x7
#define LOGICOP_AND			0x8
#define LOGICOP_EQUIV			0x9
#define LOGICOP_NOOP			0xa
#define LOGICOP_OR_INV			0xb
#define LOGICOP_COPY			0xc
#define LOGICOP_OR_RVRSE		0xd
#define LOGICOP_OR			0xe
#define LOGICOP_SET			0xf

#define BLENDFACT_ZERO			0x01
#define BLENDFACT_ONE			0x02
#define BLENDFACT_SRC_COLR		0x03
#define BLENDFACT_INV_SRC_COLR 		0x04
#define BLENDFACT_SRC_ALPHA		0x05
#define BLENDFACT_INV_SRC_ALPHA 	0x06
#define BLENDFACT_DST_ALPHA		0x07
#define BLENDFACT_INV_DST_ALPHA 	0x08
#define BLENDFACT_DST_COLR		0x09
#define BLENDFACT_INV_DST_COLR		0x0a
#define BLENDFACT_SRC_ALPHA_SATURATE	0x0b
#define BLENDFACT_CONST_COLOR		0x0c
#define BLENDFACT_INV_CONST_COLOR	0x0d
#define BLENDFACT_CONST_ALPHA		0x0e
#define BLENDFACT_INV_CONST_ALPHA	0x0f
#define BLENDFACT_MASK          	0x0f


extern int intel_translate_compare_func( GLenum func );
extern int intel_translate_stencil_op( GLenum op );
extern int intel_translate_blend_factor( GLenum factor );
extern int intel_translate_logic_op( GLenum opcode );


/* ================================================================
 * intel_buffers.c:
 */
void intelInitBufferFuncs( struct dd_function_table *functions );

struct intel_region *intel_readbuf_region( struct intel_context *intel );
struct intel_region *intel_drawbuf_region( struct intel_context *intel );

extern void intelWindowMoved( struct intel_context *intel );

extern GLboolean intel_intersect_cliprects( drm_clip_rect_t *dest,
					    const drm_clip_rect_t *a,
					    const drm_clip_rect_t *b );


/* ================================================================
 * intel_pixel_copy.c:
 */
void intelCopyPixels(GLcontext * ctx,
                     GLint srcx, GLint srcy,
                     GLsizei width, GLsizei height,
                     GLint destx, GLint desty, GLenum type);

GLboolean intel_check_blit_fragment_ops(GLcontext * ctx);

void intelBitmap(GLcontext * ctx,
		 GLint x, GLint y,
		 GLsizei width, GLsizei height,
		 const struct gl_pixelstore_attrib *unpack,
		 const GLubyte * pixels);

#define _NEW_WINDOW_POS 0x40000000


/*======================================================================
 * Inline conversion functions.  
 * These are better-typed than the macros used previously:
 */
static inline struct intel_context *intel_context( GLcontext *ctx )
{
   return (struct intel_context *)ctx;
}

static inline struct intel_texture_object *intel_texture_object( struct gl_texture_object *obj )
{
   return (struct intel_texture_object *)obj;
}

static inline struct intel_texture_image *intel_texture_image( struct gl_texture_image *img )
{
   return (struct intel_texture_image *)img;
}


#endif