aboutsummaryrefslogtreecommitdiffstats
path: root/src/gallium/state_trackers/dri/common/dri_screen.c
blob: 252ad1768d80d89fc0b5140758711794764611fd (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
/**************************************************************************
 *
 * Copyright 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, 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 VMWARE 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.
 *
 **************************************************************************/
/*
 * Author: Keith Whitwell <keithw@vmware.com>
 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
 */

#include "utils.h"
#include "xmlpool.h"

#include "dri_screen.h"

#include "util/u_inlines.h"
#include "pipe/p_screen.h"
#include "pipe/p_format.h"
#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */

#include "util/u_debug.h"

PUBLIC const char __driConfigOptions[] =
   DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
   DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
   DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
   DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
/* DRI_CONF_FORCE_S3TC_ENABLE(false) */
   DRI_CONF_ALLOW_LARGE_TEXTURES(1)
   DRI_CONF_SECTION_END DRI_CONF_END;

static const uint __driNConfigOptions = 3;

static const __DRIconfig **
dri_fill_in_modes(struct dri_screen *screen,
		  unsigned pixel_bits)
{
   __DRIconfig **configs = NULL;
   __DRIconfig **configs_r5g6b5 = NULL;
   __DRIconfig **configs_a8r8g8b8 = NULL;
   __DRIconfig **configs_x8r8g8b8 = NULL;
   uint8_t depth_bits_array[5];
   uint8_t stencil_bits_array[5];
   uint8_t msaa_samples_array[5];
   unsigned depth_buffer_factor;
   unsigned back_buffer_factor;
   unsigned msaa_samples_factor;
   unsigned i;
   struct pipe_screen *p_screen = screen->base.screen;
   boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
   boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;

   static const GLenum back_buffer_modes[] = {
      GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
   };

   depth_bits_array[0] = 0;
   stencil_bits_array[0] = 0;
   depth_buffer_factor = 1;

   pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
					    PIPE_TEXTURE_2D, 0,
					    PIPE_BIND_DEPTH_STENCIL, 0);
   pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
					    PIPE_TEXTURE_2D, 0,
					    PIPE_BIND_DEPTH_STENCIL, 0);
   pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
					    PIPE_TEXTURE_2D, 0,
					    PIPE_BIND_DEPTH_STENCIL, 0);
   pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
					    PIPE_TEXTURE_2D, 0,
					    PIPE_BIND_DEPTH_STENCIL, 0);
   pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
					       PIPE_TEXTURE_2D, 0,
					       PIPE_BIND_RENDER_TARGET, 0);
   pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
					       PIPE_TEXTURE_2D, 0,
					       PIPE_BIND_RENDER_TARGET, 0);
   pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
					     PIPE_TEXTURE_2D, 0,
					     PIPE_BIND_RENDER_TARGET, 0);

   /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
   if (dri_with_format(screen->sPriv)) {
      pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
                                             PIPE_TEXTURE_2D, 0,
                                             PIPE_BIND_DEPTH_STENCIL, 0);
      pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
                                             PIPE_TEXTURE_2D, 0,
                                             PIPE_BIND_DEPTH_STENCIL, 0);
   } else {
      pf_z16 = FALSE;
      pf_z32 = FALSE;
   }

   if (pf_z16) {
      depth_bits_array[depth_buffer_factor] = 16;
      stencil_bits_array[depth_buffer_factor++] = 0;
   }
   if (pf_x8z24 || pf_z24x8) {
      depth_bits_array[depth_buffer_factor] = 24;
      stencil_bits_array[depth_buffer_factor++] = 0;
      screen->d_depth_bits_last = pf_x8z24;
   }
   if (pf_s8z24 || pf_z24s8) {
      depth_bits_array[depth_buffer_factor] = 24;
      stencil_bits_array[depth_buffer_factor++] = 8;
      screen->sd_depth_bits_last = pf_s8z24;
   }
   if (pf_z32) {
      depth_bits_array[depth_buffer_factor] = 32;
      stencil_bits_array[depth_buffer_factor++] = 0;
   }

   msaa_samples_array[0] = 0;
   back_buffer_factor = 3;

   /* also test color for msaa 2/4/6/8 - just assume it'll work for all depth buffers */
   if (pf_r5g6b5) {
      msaa_samples_factor = 1;
      for (i = 1; i < 5; i++) {
         if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
						   PIPE_TEXTURE_2D, i*2,
						   PIPE_BIND_RENDER_TARGET, 0)) {
            msaa_samples_array[msaa_samples_factor] = i * 2;
            msaa_samples_factor++;
         }
      }

      configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
                                        depth_bits_array, stencil_bits_array,
                                        depth_buffer_factor, back_buffer_modes,
                                        back_buffer_factor,
                                        msaa_samples_array, msaa_samples_factor,
                                        GL_TRUE);
   }

   if (pf_a8r8g8b8) {
      msaa_samples_factor = 1;
      for (i = 1; i < 5; i++) {
         if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
						   PIPE_TEXTURE_2D, i*2,
						   PIPE_BIND_RENDER_TARGET, 0)) {
            msaa_samples_array[msaa_samples_factor] = i * 2;
            msaa_samples_factor++;
         }
      }

      configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
                                          depth_bits_array,
                                          stencil_bits_array,
                                          depth_buffer_factor,
                                          back_buffer_modes,
                                          back_buffer_factor,
                                          msaa_samples_array,
                                          msaa_samples_factor,
                                          GL_TRUE);
   }

   if (pf_x8r8g8b8) {
      msaa_samples_factor = 1;
      for (i = 1; i < 5; i++) {
         if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
						   PIPE_TEXTURE_2D, i*2,
						   PIPE_BIND_RENDER_TARGET, 0)) {
            msaa_samples_array[msaa_samples_factor] = i * 2;
            msaa_samples_factor++;
         }
      }

      configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
                                          depth_bits_array,
                                          stencil_bits_array,
                                          depth_buffer_factor,
                                          back_buffer_modes,
                                          back_buffer_factor,
                                          msaa_samples_array,
                                          msaa_samples_factor,
                                          GL_TRUE);
   }

   if (pixel_bits == 16) {
      configs = configs_r5g6b5;
      if (configs_a8r8g8b8)
         configs = configs ? driConcatConfigs(configs, configs_a8r8g8b8) : configs_a8r8g8b8;
      if (configs_x8r8g8b8)
	 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
   } else {
      configs = configs_a8r8g8b8;
      if (configs_x8r8g8b8)
	 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
      if (configs_r5g6b5)
         configs = configs ? driConcatConfigs(configs, configs_r5g6b5) : configs_r5g6b5;
   }

   if (configs == NULL) {
      debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
      return NULL;
   }

   return (const __DRIconfig **)configs;
}

/**
 * Roughly the converse of dri_fill_in_modes.
 */
void
dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
                   const struct gl_config *mode)
{
   memset(stvis, 0, sizeof(*stvis));

   stvis->samples = mode->samples;
   stvis->render_buffer = ST_ATTACHMENT_INVALID;

   if (mode->redBits == 8) {
      if (mode->alphaBits == 8)
         stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
      else
         stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
   } else {
      stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
   }

   switch (mode->depthBits) {
   default:
   case 0:
      stvis->depth_stencil_format = PIPE_FORMAT_NONE;
      break;
   case 16:
      stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
      break;
   case 24:
      if (mode->stencilBits == 0) {
	 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
                                          PIPE_FORMAT_Z24X8_UNORM:
                                          PIPE_FORMAT_X8Z24_UNORM;
      } else {
	 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
                                          PIPE_FORMAT_Z24_UNORM_S8_USCALED:
                                          PIPE_FORMAT_S8_USCALED_Z24_UNORM;
      }
      break;
   case 32:
      stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
      break;
   }

   stvis->accum_format = (mode->haveAccumBuffer) ?
      PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;

   stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
   if (mode->doubleBufferMode)
      stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
   if (mode->stereoMode) {
      stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
      if (mode->doubleBufferMode)
         stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
   }

   if (mode->haveDepthBuffer || mode->haveStencilBuffer)
      stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
   /* let the state tracker allocate the accum buffer */
}

static boolean
dri_get_egl_image(struct st_manager *smapi,
                  void *egl_image,
                  struct st_egl_image *stimg)
{
   struct dri_screen *screen = (struct dri_screen *)smapi;
   __DRIimage *img = NULL;

   if (screen->lookup_egl_image) {
      img = screen->lookup_egl_image(screen, egl_image);
   }

   if (!img)
      return FALSE;

   stimg->texture = NULL;
   pipe_resource_reference(&stimg->texture, img->texture);
   stimg->face = img->face;
   stimg->level = img->level;
   stimg->zslice = img->zslice;

   return TRUE;
}

static int
dri_get_param(struct st_manager *smapi,
              enum st_manager_param param)
{
   struct dri_screen *screen = (struct dri_screen *)smapi;

   switch(param) {
   case ST_MANAGER_BROKEN_INVALIDATE:
      return screen->broken_invalidate;
   default:
      return 0;
   }
}

static void
dri_destroy_option_cache(struct dri_screen * screen)
{
   int i;

   if (screen->optionCache.info) {
      for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
         FREE(screen->optionCache.info[i].name);
         FREE(screen->optionCache.info[i].ranges);
      }
      FREE(screen->optionCache.info);
   }

   FREE(screen->optionCache.values);
}

void
dri_destroy_screen_helper(struct dri_screen * screen)
{
   if (screen->st_api && screen->st_api->destroy)
      screen->st_api->destroy(screen->st_api);

   if (screen->base.screen)
      screen->base.screen->destroy(screen->base.screen);

   dri_destroy_option_cache(screen);
}

void
dri_destroy_screen(__DRIscreen * sPriv)
{
   struct dri_screen *screen = dri_screen(sPriv);

   dri_destroy_screen_helper(screen);

   FREE(screen);
   sPriv->private = NULL;
   sPriv->extensions = NULL;
}

const __DRIconfig **
dri_init_screen_helper(struct dri_screen *screen,
                       struct pipe_screen *pscreen,
                       unsigned pixel_bits)
{
   screen->base.screen = pscreen;
   if (!screen->base.screen) {
      debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
      return NULL;
   }

   screen->base.get_egl_image = dri_get_egl_image;
   screen->base.get_param = dri_get_param;

   screen->st_api = st_gl_api_create();
   if (!screen->st_api)
      return NULL;

   if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
      screen->target = PIPE_TEXTURE_2D;
   else
      screen->target = PIPE_TEXTURE_RECT;

   driParseOptionInfo(&screen->optionCache,
                      __driConfigOptions, __driNConfigOptions);

   return dri_fill_in_modes(screen, pixel_bits);
}

/* vim: set sw=3 ts=8 sts=3 expandtab: */