summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/svga/svga_screen.c
blob: fe6e6a030b0e48db5ffcb73ea30b159de2931edc (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
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
/**********************************************************
 * Copyright 2008-2009 VMware, Inc.  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, sublicense, 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 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
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * 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.
 *
 **********************************************************/

#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_string.h"
#include "util/u_math.h"

#include "svga_winsys.h"
#include "svga_public.h"
#include "svga_context.h"
#include "svga_format.h"
#include "svga_screen.h"
#include "svga_resource_texture.h"
#include "svga_resource.h"
#include "svga_debug.h"

#include "svga3d_shaderdefs.h"


#ifdef DEBUG
int SVGA_DEBUG = 0;

static const struct debug_named_value svga_debug_flags[] = {
   { "dma",      DEBUG_DMA, NULL },
   { "tgsi",     DEBUG_TGSI, NULL },
   { "pipe",     DEBUG_PIPE, NULL },
   { "state",    DEBUG_STATE, NULL },
   { "screen",   DEBUG_SCREEN, NULL },
   { "tex",      DEBUG_TEX, NULL },
   { "swtnl",    DEBUG_SWTNL, NULL },
   { "const",    DEBUG_CONSTS, NULL },
   { "viewport", DEBUG_VIEWPORT, NULL },
   { "views",    DEBUG_VIEWS, NULL },
   { "perf",     DEBUG_PERF, NULL },
   { "flush",    DEBUG_FLUSH, NULL },
   { "sync",     DEBUG_SYNC, NULL },
   { "cache",    DEBUG_CACHE, NULL },
   DEBUG_NAMED_VALUE_END
};
#endif

static const char *
svga_get_vendor( struct pipe_screen *pscreen )
{
   return "VMware, Inc.";
}


static const char *
svga_get_name( struct pipe_screen *pscreen )
{
   const char *build = "", *llvm = "", *mutex = "";
   static char name[100];
#ifdef DEBUG
   /* Only return internal details in the DEBUG version:
    */
   build = "build: DEBUG;";
   mutex = "mutex: " PIPE_ATOMIC ";";
#ifdef HAVE_LLVM
   llvm = "LLVM;";
#endif
#else
   build = "build: RELEASE;";
#endif

   util_snprintf(name, sizeof(name), "SVGA3D; %s %s %s", build, mutex, llvm);
   return name;
}




static float
svga_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
{
   struct svga_screen *svgascreen = svga_screen(screen);
   struct svga_winsys_screen *sws = svgascreen->sws;
   SVGA3dDevCapResult result;

   switch (param) {
   case PIPE_CAPF_MAX_LINE_WIDTH:
      /* fall-through */
   case PIPE_CAPF_MAX_LINE_WIDTH_AA:
      return 7.0;

   case PIPE_CAPF_MAX_POINT_WIDTH:
      /* fall-through */
   case PIPE_CAPF_MAX_POINT_WIDTH_AA:
      /* Keep this to a reasonable size to avoid failures in
       * conform/pntaa.c:
       */
      return SVGA_MAX_POINTSIZE;

   case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
      if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY, &result))
         return 4.0;
      return result.u;

   case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
      return 15.0;

   default:
      return 0;
   }
}


static int
svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
{
   struct svga_screen *svgascreen = svga_screen(screen);
   struct svga_winsys_screen *sws = svgascreen->sws;
   SVGA3dDevCapResult result;

   switch (param) {
   case PIPE_CAP_MAX_COMBINED_SAMPLERS:
      return 16;
   case PIPE_CAP_NPOT_TEXTURES:
      return 1;
   case PIPE_CAP_TWO_SIDED_STENCIL:
      return 1;
   case PIPE_CAP_ANISOTROPIC_FILTER:
      return 1;
   case PIPE_CAP_POINT_SPRITE:
      return 1;
   case PIPE_CAP_MAX_RENDER_TARGETS:
      if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_RENDER_TARGETS, &result))
         return 1;
      if(!result.u)
         return 1;
      return MIN2(result.u, PIPE_MAX_COLOR_BUFS);
   case PIPE_CAP_OCCLUSION_QUERY:
      return 1;
   case PIPE_CAP_TIMER_QUERY:
      return 0;
   case PIPE_CAP_TEXTURE_SHADOW_MAP:
      return 1;
   case PIPE_CAP_TEXTURE_SWIZZLE:
      return 1;

   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
      {
         unsigned levels = SVGA_MAX_TEXTURE_LEVELS;
         if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH, &result))
            levels = MIN2(util_logbase2(result.u) + 1, levels);
         else
            levels = 12 /* 2048x2048 */;
         if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT, &result))
            levels = MIN2(util_logbase2(result.u) + 1, levels);
         else
            levels = 12 /* 2048x2048 */;
         return levels;
      }

   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
      if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VOLUME_EXTENT, &result))
         return 8;  /* max 128x128x128 */
      return MIN2(util_logbase2(result.u) + 1, SVGA_MAX_TEXTURE_LEVELS);

   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
      /*
       * No mechanism to query the host, and at least limited to 2048x2048 on
       * certain hardware.
       */
      return MIN2(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
                  12 /* 2048x2048 */);

   case PIPE_CAP_BLEND_EQUATION_SEPARATE: /* req. for GL 1.5 */
      return 1;

   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
      return 1;
   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
      return 0;

   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
      return 1;
   case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
      return 0;

   case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
      return 0;

   default:
      return 0;
   }
}

static int svga_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
   struct svga_screen *svgascreen = svga_screen(screen);
   struct svga_winsys_screen *sws = svgascreen->sws;
   SVGA3dDevCapResult result;

   switch (shader)
   {
   case PIPE_SHADER_FRAGMENT:
      switch (param)
      {
      case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
      case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
      case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
      case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
         return 512;
      case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
         return SVGA3D_MAX_NESTING_LEVEL;
      case PIPE_SHADER_CAP_MAX_INPUTS:
         return 10;
      case PIPE_SHADER_CAP_MAX_CONSTS:
         return 224;
      case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
         return 1;
      case PIPE_SHADER_CAP_MAX_TEMPS:
         if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, &result))
            return 32;
         return result.u;
      case PIPE_SHADER_CAP_MAX_ADDRS:
      case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
	 /* 
	  * Although PS 3.0 has some addressing abilities it can only represent
	  * loops that can be statically determined and unrolled. Given we can
	  * only handle a subset of the cases that the state tracker already
	  * does it is better to defer loop unrolling to the state tracker.
	  */
         return 0;
      case PIPE_SHADER_CAP_MAX_PREDS:
         return 1;
      case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
         return 1;
      case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
      case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
      case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
         return 0;
      case PIPE_SHADER_CAP_SUBROUTINES:
         return 0;
      case PIPE_SHADER_CAP_INTEGERS:
         return 0;
      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
         return 16;
      }
      break;
   case PIPE_SHADER_VERTEX:
      switch (param)
      {
      case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
      case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
         if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS, &result))
            return 512;
         return result.u;
      case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
      case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
         /* XXX: until we have vertex texture support */
         return 0;
      case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
         return SVGA3D_MAX_NESTING_LEVEL;
      case PIPE_SHADER_CAP_MAX_INPUTS:
         return 16;
      case PIPE_SHADER_CAP_MAX_CONSTS:
         return 256;
      case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
         return 1;
      case PIPE_SHADER_CAP_MAX_TEMPS:
         if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, &result))
            return 32;
         return result.u;
      case PIPE_SHADER_CAP_MAX_ADDRS:
         return 1;
      case PIPE_SHADER_CAP_MAX_PREDS:
         return 1;
      case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
         return 1;
      case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
      case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
         return 1;
      case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
         return 0;
      case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
         return 1;
      case PIPE_SHADER_CAP_SUBROUTINES:
         return 0;
      case PIPE_SHADER_CAP_INTEGERS:
         return 0;
      default:
         break;
      }
      break;
   default:
      break;
   }
   return 0;
}


static boolean
svga_is_format_supported( struct pipe_screen *screen,
                          enum pipe_format format,
                          enum pipe_texture_target target,
                          unsigned sample_count,
                          unsigned tex_usage)
{
   struct svga_screen *ss = svga_screen(screen);
   SVGA3dSurfaceFormat svga_format;
   SVGA3dSurfaceFormatCaps caps;
   SVGA3dSurfaceFormatCaps mask;

   assert(tex_usage);

   if (sample_count > 1) {
      return FALSE;
   }

   svga_format = svga_translate_format(ss, format, tex_usage);
   if (svga_format == SVGA3D_FORMAT_INVALID) {
      return FALSE;
   }

   /*
    * Override host capabilities, so that we end up with the same
    * visuals for all virtual hardware implementations.
    */

   if (tex_usage & PIPE_BIND_DISPLAY_TARGET) {
      switch (svga_format) {
      case SVGA3D_A8R8G8B8:
      case SVGA3D_X8R8G8B8:
      case SVGA3D_R5G6B5:
         break;

      /* Often unsupported/problematic. This means we end up with the same
       * visuals for all virtual hardware implementations.
       */
      case SVGA3D_A4R4G4B4:
      case SVGA3D_A1R5G5B5:
         return FALSE;
         
      default:
         return FALSE;
      }
   }
   
   /*
    * Query the host capabilities.
    */

   svga_get_format_cap(ss, svga_format, &caps);

   mask.value = 0;
   if (tex_usage & PIPE_BIND_RENDER_TARGET) {
      mask.offscreenRenderTarget = 1;
   }
   if (tex_usage & PIPE_BIND_DEPTH_STENCIL) {
      mask.zStencil = 1;
   }
   if (tex_usage & PIPE_BIND_SAMPLER_VIEW) {
      mask.texture = 1;
   }

   return (caps.value & mask.value) == mask.value;
}


static void
svga_fence_reference(struct pipe_screen *screen,
                     struct pipe_fence_handle **ptr,
                     struct pipe_fence_handle *fence)
{
   struct svga_winsys_screen *sws = svga_screen(screen)->sws;
   sws->fence_reference(sws, ptr, fence);
}


static boolean
svga_fence_signalled(struct pipe_screen *screen,
                     struct pipe_fence_handle *fence)
{
   struct svga_winsys_screen *sws = svga_screen(screen)->sws;
   return sws->fence_signalled(sws, fence, 0) == 0;
}


static boolean
svga_fence_finish(struct pipe_screen *screen,
                  struct pipe_fence_handle *fence,
                  uint64_t timeout)
{
   struct svga_winsys_screen *sws = svga_screen(screen)->sws;

   SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
            __FUNCTION__, fence);

   return sws->fence_finish(sws, fence, 0) == 0;
}


static void
svga_destroy_screen( struct pipe_screen *screen )
{
   struct svga_screen *svgascreen = svga_screen(screen);
   
   svga_screen_cache_cleanup(svgascreen);

   pipe_mutex_destroy(svgascreen->swc_mutex);
   pipe_mutex_destroy(svgascreen->tex_mutex);

   svgascreen->sws->destroy(svgascreen->sws);
   
   FREE(svgascreen);
}


/**
 * Create a new svga_screen object
 */
struct pipe_screen *
svga_screen_create(struct svga_winsys_screen *sws)
{
   struct svga_screen *svgascreen;
   struct pipe_screen *screen;
   SVGA3dDevCapResult result;
   boolean use_vs30, use_ps30;

#ifdef DEBUG
   SVGA_DEBUG = debug_get_flags_option("SVGA_DEBUG", svga_debug_flags, 0 );
#endif

   svgascreen = CALLOC_STRUCT(svga_screen);
   if (!svgascreen)
      goto error1;

   svgascreen->debug.force_level_surface_view =
      debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE);
   svgascreen->debug.force_surface_view =
      debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE);
   svgascreen->debug.force_sampler_view =
      debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE);
   svgascreen->debug.no_surface_view =
      debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE);
   svgascreen->debug.no_sampler_view =
      debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE);

   screen = &svgascreen->screen;

   screen->destroy = svga_destroy_screen;
   screen->get_name = svga_get_name;
   screen->get_vendor = svga_get_vendor;
   screen->get_param = svga_get_param;
   screen->get_shader_param = svga_get_shader_param;
   screen->get_paramf = svga_get_paramf;
   screen->is_format_supported = svga_is_format_supported;
   screen->context_create = svga_context_create;
   screen->fence_reference = svga_fence_reference;
   screen->fence_signalled = svga_fence_signalled;
   screen->fence_finish = svga_fence_finish;
   svgascreen->sws = sws;

   svga_init_screen_resource_functions(svgascreen);

   if (sws->get_hw_version) {
      svgascreen->hw_version = sws->get_hw_version(sws);
   } else {
      svgascreen->hw_version = SVGA3D_HWVERSION_WS65_B1;
   }

   use_ps30 =
      sws->get_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION, &result) &&
      result.u >= SVGA3DPSVERSION_30 ? TRUE : FALSE;

   use_vs30 =
      sws->get_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION, &result) &&
      result.u >= SVGA3DVSVERSION_30 ? TRUE : FALSE;

   /* we require Shader model 3.0 or later */
   if (!use_ps30 || !use_vs30)
      goto error2;

   /*
    * The D16, D24X8, and D24S8 formats always do an implicit shadow compare
    * when sampled from, where as the DF16, DF24, and D24S8_INT do not.  So
    * we prefer the later when available.
    *
    * This mimics hardware vendors extensions for D3D depth sampling. See also
    * http://aras-p.info/texts/D3D9GPUHacks.html
    */

   {
      boolean has_df16, has_df24, has_d24s8_int;
      SVGA3dSurfaceFormatCaps caps;
      SVGA3dSurfaceFormatCaps mask;
      mask.value = 0;
      mask.zStencil = 1;
      mask.texture = 1;

      svgascreen->depth.z16 = SVGA3D_Z_D16;
      svgascreen->depth.x8z24 = SVGA3D_Z_D24X8;
      svgascreen->depth.s8z24 = SVGA3D_Z_D24S8;

      svga_get_format_cap(svgascreen, SVGA3D_Z_DF16, &caps);
      has_df16 = (caps.value & mask.value) == mask.value;

      svga_get_format_cap(svgascreen, SVGA3D_Z_DF24, &caps);
      has_df24 = (caps.value & mask.value) == mask.value;

      svga_get_format_cap(svgascreen, SVGA3D_Z_D24S8_INT, &caps);
      has_d24s8_int = (caps.value & mask.value) == mask.value;

      /* XXX: We might want some other logic here.
       * Like if we only have d24s8_int we should
       * emulate the other formats with that.
       */
      if (has_df16) {
         svgascreen->depth.z16 = SVGA3D_Z_DF16;
      }
      if (has_df24) {
         svgascreen->depth.x8z24 = SVGA3D_Z_DF24;
      }
      if (has_d24s8_int) {
         svgascreen->depth.s8z24 = SVGA3D_Z_D24S8_INT;
      }
   }

   pipe_mutex_init(svgascreen->tex_mutex);
   pipe_mutex_init(svgascreen->swc_mutex);

   svga_screen_cache_init(svgascreen);

   return screen;
error2:
   FREE(svgascreen);
error1:
   return NULL;
}

struct svga_winsys_screen *
svga_winsys_screen(struct pipe_screen *screen)
{
   return svga_screen(screen)->sws;
}

#ifdef DEBUG
struct svga_screen *
svga_screen(struct pipe_screen *screen)
{
   assert(screen);
   assert(screen->destroy == svga_destroy_screen);
   return (struct svga_screen *)screen;
}
#endif