summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/intel/intel_context.h
blob: 22736a93279b07e609d66e23bed30253745ac8ac (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
/**************************************************************************
 * 
 * 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 "main/mtypes.h"
#include "main/mm.h"
#include "texmem.h"
#include "dri_metaops.h"
#include "drm.h"
#include "intel_bufmgr.h"

#include "intel_screen.h"
#include "intel_tex_obj.h"
#include "i915_drm.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)
#define DV_PF_4444 (8<<8)
#define DV_PF_1555 (9<<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 *);

/**
 * Bits for intel->Fallback field
 */
/*@{*/
#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
#define INTEL_FALLBACK_TEXTURE   	 0x40
#define INTEL_FALLBACK_DRIVER            0x1000  /**< first for drivers */
/*@}*/

extern void intelFallback(struct intel_context *intel, GLbitfield 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

#define INTEL_MAX_FIXUP 64

struct intel_sync_object {
   struct gl_sync_object Base;

   /** Batch associated with this sync object */
   drm_intel_bo *bo;
};

/**
 * intel_context is derived from Mesa's context class: GLcontext.
 */
struct intel_context
{
   GLcontext ctx;  /**< base class, must be first field */

   struct
   {
      void (*destroy) (struct intel_context * intel);
      void (*emit_state) (struct intel_context * intel);
      void (*finish_batch) (struct intel_context * intel);
      void (*new_batch) (struct intel_context * intel);
      void (*emit_invarient_state) (struct intel_context * intel);
      void (*update_texture_state) (struct intel_context * intel);

      void (*render_start) (struct intel_context * intel);
      void (*render_prevalidate) (struct intel_context * intel);
      void (*set_draw_region) (struct intel_context * intel,
                               struct intel_region * draw_regions[],
                               struct intel_region * depth_region,
			       GLuint num_regions);

      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);

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

      void (*debug_batch)(struct intel_context *intel);
   } vtbl;

   struct dri_metaops meta;

   GLbitfield Fallback;  /**< mask of INTEL_FALLBACK_x bits */
   GLuint NewGLState;

   dri_bufmgr *bufmgr;
   unsigned int maxBatchSize;

   /**
    * Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
    */
   int gen;
   GLboolean needs_ff_sync;
   GLboolean is_ironlake;
   GLboolean is_g4x;
   GLboolean is_945;
   GLboolean has_luminance_srgb;

   int urb_size;

   struct intel_batchbuffer *batch;
   drm_intel_bo *first_post_swapbuffers_batch;
   GLboolean no_batch_wrap;
   GLboolean using_dri2_swapbuffers;

   struct
   {
      GLuint id;
      uint32_t primitive;	/**< Current hardware primitive type */
      void (*flush) (struct intel_context *);
      GLubyte *start_ptr; /**< for i8xx */
      dri_bo *vb_bo;
      uint8_t *vb;
      unsigned int start_offset; /**< Byte offset of primitive sequence */
      unsigned int current_offset; /**< Byte offset of next vertex */
      unsigned int count;	/**< Number of vertices in current primitive */
   } prim;

   GLuint stats_wm;
   GLboolean locked;
   char *prevLockFile;
   int prevLockLine;

   /* 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_stencil;
   GLboolean hw_stipple;
   GLboolean depth_buffer_is_float;
   GLboolean no_rast;
   GLboolean no_hw;
   GLboolean always_flush_batch;
   GLboolean always_flush_cache;

   /* 0 - nonconformant, best performance;
    * 1 - fallback to sw for known conformance bugs
    * 2 - always fallback to sw
    */
   GLuint conformance_mode;

   /* 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 */

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

   /**
    * Set if rendering has occured to the drawable's front buffer.
    *
    * This is used in the DRI2 case to detect that glFlush should also copy
    * the contents of the fake front buffer to the real front buffer.
    */
   GLboolean front_buffer_dirty;

   /**
    * Track whether front-buffer rendering is currently enabled
    *
    * A separate flag is used to track this in order to support MRT more
    * easily.
    */
   GLboolean is_front_buffer_rendering;
   /**
    * Track whether front-buffer is the current read target.
    *
    * This is closely associated with is_front_buffer_rendering, but may
    * be set separately.  The DRI2 fake front buffer must be referenced
    * either way.
    */
   GLboolean is_front_buffer_reading;

   GLboolean use_texture_tiling;
   GLboolean use_early_z;

   int driFd;

   __DRIcontext *driContext;
   __DRIdrawable *driDrawable;
   __DRIdrawable *driReadDrawable;
   __DRIscreen *driScreen;
   struct intel_screen *intelScreen;

   /**
    * Configuration cache
    */
   driOptionCache optionCache;
};

extern char *__progname;


#define SUBPIXEL_X 0.125
#define SUBPIXEL_Y 0.125

#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#define ALIGN(value, alignment)  ((value + alignment - 1) & ~(alignment - 1))
#define IS_POWER_OF_TWO(val) (((val) & (val - 1)) == 0)

static INLINE uint32_t
U_FIXED(float value, uint32_t frac_bits)
{
   value *= (1 << frac_bits);
   return value < 0 ? 0 : value;
}

static INLINE uint32_t
S_FIXED(float value, uint32_t frac_bits)
{
   return value * (1 << frac_bits);
}

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

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

#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 DEBUG_SYNC	0x2000
#define DEBUG_PRIMS	0x4000
#define DEBUG_VERTS	0x8000
#define DEBUG_DRI       0x10000
#define DEBUG_DMA       0x20000
#define DEBUG_SANITY    0x40000
#define DEBUG_SLEEP     0x80000
#define DEBUG_STATS     0x100000
#define DEBUG_TILE      0x200000
#define DEBUG_SINGLE_THREAD   0x400000
#define DEBUG_WM        0x800000
#define DEBUG_URB       0x1000000
#define DEBUG_VS        0x2000000

#define DBG(...) do {						\
	if (INTEL_DEBUG & FILE_DEBUG_FLAG)			\
		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
#define PCI_CHIP_I945_GME		0x27AE
#define PCI_CHIP_G33_G			0x29C2
#define PCI_CHIP_Q35_G			0x29B2
#define PCI_CHIP_Q33_G			0x29D2


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

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

extern void intelFinish(GLcontext * ctx);
extern void intelFlush(GLcontext * ctx);
extern void intel_flush(GLcontext * ctx, GLboolean needs_mi_flush);

extern void intelInitDriverFunctions(struct dd_function_table *functions);

void intel_init_syncobj_functions(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

enum {
   DRI_CONF_BO_REUSE_DISABLED,
   DRI_CONF_BO_REUSE_ALL
};

extern int intel_translate_shadow_compare_func(GLenum func);
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);

void intel_viewport(GLcontext * ctx, GLint x, GLint y,
		    GLsizei width, GLsizei height);

void intel_update_renderbuffers(__DRIcontext *context,
				__DRIdrawable *drawable);
void intel_prepare_render(struct intel_context *intel);

void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
				  uint32_t buffer_id);

/*======================================================================
 * 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 GLboolean
is_power_of_two(uint32_t value)
{
   return (value & (value - 1)) == 0;
}

#endif