summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i915tex/intel_context.h
blob: 44c20af7f803d642fab1d3a53d6d609a6c34d98f (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
/**************************************************************************
 * 
 * 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 "mm.h"
#include "texmem.h"

#include "intel_screen.h"
#include "i915_drm.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;
struct _DriBufferObject;

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_DEPTH_BUFFER      0x4
#define INTEL_FALLBACK_STENCIL_BUFFER    0x8
#define INTEL_FALLBACK_USER		 0x10
#define INTEL_FALLBACK_RENDERMODE	 0x20

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


#define INTEL_WRITE_PART  0x1
#define INTEL_WRITE_FULL  0x2
#define INTEL_READ        0x4

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;

   /* Offset for firstLevel image:
    */
   GLuint textureOffset;

   /* 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_texture_image
{
   struct gl_texture_image base;

   /* These aren't stored in gl_texture_image 
    */
   GLuint level;
   GLuint face;

   /* If intelImage->mt != NULL, image data is stored here.
    * Else if intelImage->base.Data != NULL, image is stored there.
    * Else there is no image data.
    */
   struct intel_mipmap_tree *mt;
};


#define INTEL_MAX_FIXUP 64

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

   struct
   {
      void (*destroy) (struct intel_context * intel);
      void (*emit_state) (struct intel_context * intel);
      void (*lost_hardware) (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 (*reduced_primitive_state) (struct intel_context * intel,
                                       GLenum rprim);

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


      /* 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);

        GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
                                          struct _DriBufferObject * buffer,
                                          GLuint offset,
                                          GLuint pitch,
                                          GLuint height,
                                          GLenum format, GLenum type);
      void (*rotate_window) (struct intel_context * intel,
                             __DRIdrawablePrivate * dPriv, GLuint srcBuf);

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

   } vtbl;

   GLint refcount;
   GLuint Fallback;
   GLuint NewGLState;

   struct _DriFenceObject *last_swap_fence;
   struct _DriFenceObject *first_swap_fence;

   struct intel_batchbuffer *batch;

   struct
   {
      GLuint id;
      GLuint primitive;
      GLubyte *start_ptr;
      void (*flush) (struct intel_context *);
   } prim;

   GLboolean locked;
   char *prevLockFile;
   int prevLockLine;

   GLuint ClearColor565;
   GLuint ClearColor8888;

   /* Offsets of fields within the current vertex:
    */
   GLuint coloroffset;
   GLuint specoffset;
   GLuint wpos_offset;
   GLuint wpos_size;

   struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
   GLuint vertex_attr_count;

   GLfloat polygon_offset_scale;        /* dependent on depth_scale, bpp */

   GLboolean hw_stipple;
   GLboolean strict_conformance;

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


   /* State for intelvb.c and inteltris.c.
    */
   GLuint RenderIndex;
   GLmatrix ViewportMatrix;
   GLenum render_primitive;
   GLenum reduced_primitive;
   GLuint vertex_size;
   GLubyte *verts;              /* points to tnl->clipspace.vertex_buf */

#if 0
   struct intel_region *front_region;   /* XXX FBO: obsolete */
   struct intel_region *rotated_region; /* XXX FBO: obsolete */
   struct intel_region *back_region;    /* XXX FBO: obsolete */
   struct intel_region *draw_region;    /* XXX FBO: rename to color_region */
   struct intel_region *depth_region;   /**< currently bound depth/Z region */
#endif

   /* Fallback rasterization functions 
    */
   intel_point_func draw_point;
   intel_line_func draw_line;
   intel_tri_func draw_tri;

   /* These refer to the current drawing buffer:
    */
   int drawX, drawY;            /**< origin of drawing area within region */
   GLuint numClipRects;         /**< cliprects for drawing */
   drm_clip_rect_t *pClipRects;
   drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */

   int perf_boxes;

   GLuint do_usleeps;
   int do_irqs;
   GLuint irqsEmitted;
   drm_i915_irq_wait_t iw;

   drm_context_t hHWContext;
   drmLock *driHwLock;
   int driFd;

   __DRIdrawablePrivate *driDrawable;
   __DRIscreenPrivate *driScreen;
   intelScreenPrivate *intelScreen;
   drmI830Sarea *sarea;

   GLuint lastStamp;

   /**
    * Configuration cache
    */
   driOptionCache optionCache;

  /* Rotation. Need to match that of the
   * current screen.
   */

  int width;
  int height;
  int current_rotation;
};

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

extern char *__progname;


#define SUBPIXEL_X 0.125
#define SUBPIXEL_Y 0.125

#define INTEL_FIREVERTICES(intel)		\
do {						\
   if ((intel)->prim.flush)			\
      (intel)->prim.flush(intel);		\
} while (0)

/* ================================================================
 * 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)



/* ================================================================
 * From linux kernel i386 header files, copes with odd sizes better
 * than COPY_DWORDS would:
 * XXX Put this in src/mesa/main/imports.h ???
 */
#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



/* ================================================================
 * Debugging:
 */
#define DO_DEBUG		0
#if DO_DEBUG
extern int INTEL_DEBUG;
#else
#define INTEL_DEBUG		0
#endif

#define DEBUG_TEXTURE	0x1
#define DEBUG_STATE	0x2
#define DEBUG_IOCTL	0x4
#define DEBUG_BLIT	0x8
#define DEBUG_MIPTREE   0x10
#define DEBUG_FALLBACKS	0x20
#define DEBUG_VERBOSE	0x40
#define DEBUG_BATCH     0x80
#define DEBUG_PIXEL     0x100
#define DEBUG_BUFMGR    0x200
#define DEBUG_REGION    0x400
#define DEBUG_FBO       0x800
#define DEBUG_LOCK      0x1000

#define DBG(...)  do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)


#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_I945_GM		0x27A2


/* ================================================================
 * 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

#define MI_BATCH_BUFFER_END 	(0xA<<23)


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);


/*======================================================================
 * 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;
}

extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer
                                                     *rb);


#endif