forked from CyanogenMod/android_frameworks_native
-
Notifications
You must be signed in to change notification settings - Fork 15
/
eglApi.cpp
1901 lines (1577 loc) · 59.1 KB
/
eglApi.cpp
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
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <dlfcn.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <hardware/gralloc.h>
#include <system/window.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <cutils/log.h>
#include <cutils/atomic.h>
#include <cutils/compiler.h>
#include <cutils/properties.h>
#include <cutils/memory.h>
#include <utils/KeyedVector.h>
#include <utils/SortedVector.h>
#include <utils/String8.h>
#include <utils/Trace.h>
#include "../egl_impl.h"
#include "../glestrace.h"
#include "../hooks.h"
#include "egl_display.h"
#include "egl_object.h"
#include "egl_tls.h"
#include "egldefs.h"
using namespace android;
// This extension has not been ratified yet, so can't be shipped.
// Implementation is incomplete and untested.
#define ENABLE_EGL_KHR_GL_COLORSPACE 0
// ----------------------------------------------------------------------------
namespace android {
struct extention_map_t {
const char* name;
__eglMustCastToProperFunctionPointerType address;
};
/*
* This is the list of EGL extensions exposed to applications.
*
* Some of them (gBuiltinExtensionString) are implemented entirely in this EGL
* wrapper and are always available.
*
* The rest (gExtensionString) depend on support in the EGL driver, and are
* only available if the driver supports them. However, some of these must be
* supported because they are used by the Android system itself; these are
* listd as mandatory below and are required by the CDD. The system *assumes*
* the mandatory extensions are present and may not function properly if some
* are missing.
*
* NOTE: Both strings MUST have a single space as the last character.
*/
extern char const * const gBuiltinExtensionString =
"EGL_KHR_get_all_proc_addresses "
"EGL_ANDROID_presentation_time "
"EGL_KHR_swap_buffers_with_damage "
;
extern char const * const gExtensionString =
"EGL_KHR_image " // mandatory
"EGL_KHR_image_base " // mandatory
"EGL_KHR_image_pixmap "
"EGL_KHR_lock_surface "
#if (ENABLE_EGL_KHR_GL_COLORSPACE != 0)
"EGL_KHR_gl_colorspace "
#endif
"EGL_KHR_gl_texture_2D_image "
"EGL_KHR_gl_texture_3D_image "
"EGL_KHR_gl_texture_cubemap_image "
"EGL_KHR_gl_renderbuffer_image "
"EGL_KHR_reusable_sync "
"EGL_KHR_fence_sync "
"EGL_KHR_create_context "
"EGL_KHR_config_attribs "
"EGL_KHR_surfaceless_context "
"EGL_KHR_stream "
"EGL_KHR_stream_fifo "
"EGL_KHR_stream_producer_eglsurface "
"EGL_KHR_stream_consumer_gltexture "
"EGL_KHR_stream_cross_process_fd "
"EGL_EXT_create_context_robustness "
"EGL_NV_system_time "
"EGL_ANDROID_image_native_buffer " // mandatory
"EGL_KHR_wait_sync " // strongly recommended
"EGL_ANDROID_recordable " // mandatory
"EGL_KHR_partial_update " // strongly recommended
"EGL_EXT_buffer_age " // strongly recommended with partial_update
"EGL_KHR_create_context_no_error "
;
// extensions not exposed to applications but used by the ANDROID system
// "EGL_ANDROID_blob_cache " // strongly recommended
// "EGL_IMG_hibernate_process " // optional
// "EGL_ANDROID_native_fence_sync " // strongly recommended
// "EGL_ANDROID_framebuffer_target " // mandatory for HWC 1.1
// "EGL_ANDROID_image_crop " // optional
/*
* EGL Extensions entry-points exposed to 3rd party applications
* (keep in sync with gExtensionString above)
*
*/
static const extention_map_t sExtensionMap[] = {
// EGL_KHR_lock_surface
{ "eglLockSurfaceKHR",
(__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR },
{ "eglUnlockSurfaceKHR",
(__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR },
// EGL_KHR_image, EGL_KHR_image_base
{ "eglCreateImageKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR },
{ "eglDestroyImageKHR",
(__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
// EGL_KHR_reusable_sync, EGL_KHR_fence_sync
{ "eglCreateSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR },
{ "eglDestroySyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR },
{ "eglClientWaitSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR },
{ "eglSignalSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglSignalSyncKHR },
{ "eglGetSyncAttribKHR",
(__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR },
// EGL_NV_system_time
{ "eglGetSystemTimeFrequencyNV",
(__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
{ "eglGetSystemTimeNV",
(__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
// EGL_KHR_wait_sync
{ "eglWaitSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglWaitSyncKHR },
// EGL_ANDROID_presentation_time
{ "eglPresentationTimeANDROID",
(__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
// EGL_KHR_swap_buffers_with_damage
{ "eglSwapBuffersWithDamageKHR",
(__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
// EGL_KHR_partial_update
{ "eglSetDamageRegionKHR",
(__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
{ "eglCreateStreamKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateStreamKHR },
{ "eglDestroyStreamKHR",
(__eglMustCastToProperFunctionPointerType)&eglDestroyStreamKHR },
{ "eglStreamAttribKHR",
(__eglMustCastToProperFunctionPointerType)&eglStreamAttribKHR },
{ "eglQueryStreamKHR",
(__eglMustCastToProperFunctionPointerType)&eglQueryStreamKHR },
{ "eglQueryStreamu64KHR",
(__eglMustCastToProperFunctionPointerType)&eglQueryStreamu64KHR },
{ "eglQueryStreamTimeKHR",
(__eglMustCastToProperFunctionPointerType)&eglQueryStreamTimeKHR },
{ "eglCreateStreamProducerSurfaceKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateStreamProducerSurfaceKHR },
{ "eglStreamConsumerGLTextureExternalKHR",
(__eglMustCastToProperFunctionPointerType)&eglStreamConsumerGLTextureExternalKHR },
{ "eglStreamConsumerAcquireKHR",
(__eglMustCastToProperFunctionPointerType)&eglStreamConsumerAcquireKHR },
{ "eglStreamConsumerReleaseKHR",
(__eglMustCastToProperFunctionPointerType)&eglStreamConsumerReleaseKHR },
{ "eglGetStreamFileDescriptorKHR",
(__eglMustCastToProperFunctionPointerType)&eglGetStreamFileDescriptorKHR },
{ "eglCreateStreamFromFileDescriptorKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateStreamFromFileDescriptorKHR },
};
/*
* These extensions entry-points should not be exposed to applications.
* They're used internally by the Android EGL layer.
*/
#define FILTER_EXTENSIONS(procname) \
(!strcmp((procname), "eglSetBlobCacheFuncsANDROID") || \
!strcmp((procname), "eglHibernateProcessIMG") || \
!strcmp((procname), "eglAwakenProcessIMG") || \
!strcmp((procname), "eglDupNativeFenceFDANDROID"))
// accesses protected by sExtensionMapMutex
static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
static int sGLExtentionSlot = 0;
static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER;
static void(*findProcAddress(const char* name,
const extention_map_t* map, size_t n))() {
for (uint32_t i=0 ; i<n ; i++) {
if (!strcmp(name, map[i].name)) {
return map[i].address;
}
}
return NULL;
}
// ----------------------------------------------------------------------------
extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
extern EGLBoolean egl_init_drivers();
extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS];
extern int getEGLDebugLevel();
extern void setEGLDebugLevel(int level);
extern gl_hooks_t gHooksTrace;
} // namespace android;
// ----------------------------------------------------------------------------
static inline void clearError() { egl_tls_t::clearError(); }
static inline EGLContext getContext() { return egl_tls_t::getContext(); }
// ----------------------------------------------------------------------------
EGLDisplay eglGetDisplay(EGLNativeDisplayType display)
{
clearError();
uintptr_t index = reinterpret_cast<uintptr_t>(display);
if (index >= NUM_DISPLAYS) {
return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
}
if (egl_init_drivers() == EGL_FALSE) {
return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
}
EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display);
return dpy;
}
// ----------------------------------------------------------------------------
// Initialization
// ----------------------------------------------------------------------------
EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
{
clearError();
egl_display_ptr dp = get_display(dpy);
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
EGLBoolean res = dp->initialize(major, minor);
return res;
}
EGLBoolean eglTerminate(EGLDisplay dpy)
{
// NOTE: don't unload the drivers b/c some APIs can be called
// after eglTerminate() has been called. eglTerminate() only
// terminates an EGLDisplay, not a EGL itself.
clearError();
egl_display_ptr dp = get_display(dpy);
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
EGLBoolean res = dp->terminate();
return res;
}
// ----------------------------------------------------------------------------
// configuration
// ----------------------------------------------------------------------------
EGLBoolean eglGetConfigs( EGLDisplay dpy,
EGLConfig *configs,
EGLint config_size, EGLint *num_config)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
if (num_config==0) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
EGLBoolean res = EGL_FALSE;
*num_config = 0;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso) {
res = cnx->egl.eglGetConfigs(
dp->disp.dpy, configs, config_size, num_config);
}
return res;
}
EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
EGLConfig *configs, EGLint config_size,
EGLint *num_config)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
if (num_config==0) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
EGLBoolean res = EGL_FALSE;
*num_config = 0;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso) {
if (attrib_list) {
char value[PROPERTY_VALUE_MAX];
property_get("debug.egl.force_msaa", value, "false");
if (!strcmp(value, "true")) {
size_t attribCount = 0;
EGLint attrib = attrib_list[0];
// Only enable MSAA if the context is OpenGL ES 2.0 and
// if no caveat is requested
const EGLint *attribRendererable = NULL;
const EGLint *attribCaveat = NULL;
// Count the number of attributes and look for
// EGL_RENDERABLE_TYPE and EGL_CONFIG_CAVEAT
while (attrib != EGL_NONE) {
attrib = attrib_list[attribCount];
switch (attrib) {
case EGL_RENDERABLE_TYPE:
attribRendererable = &attrib_list[attribCount];
break;
case EGL_CONFIG_CAVEAT:
attribCaveat = &attrib_list[attribCount];
break;
}
attribCount++;
}
if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT &&
(!attribCaveat || attribCaveat[1] != EGL_NONE)) {
// Insert 2 extra attributes to force-enable MSAA 4x
EGLint aaAttribs[attribCount + 4];
aaAttribs[0] = EGL_SAMPLE_BUFFERS;
aaAttribs[1] = 1;
aaAttribs[2] = EGL_SAMPLES;
aaAttribs[3] = 4;
memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint));
EGLint numConfigAA;
EGLBoolean resAA = cnx->egl.eglChooseConfig(
dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA);
if (resAA == EGL_TRUE && numConfigAA > 0) {
ALOGD("Enabling MSAA 4x");
*num_config = numConfigAA;
return resAA;
}
}
}
}
res = cnx->egl.eglChooseConfig(
dp->disp.dpy, attrib_list, configs, config_size, num_config);
}
return res;
}
EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint *value)
{
clearError();
egl_connection_t* cnx = NULL;
const egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (!dp) return EGL_FALSE;
return cnx->egl.eglGetConfigAttrib(
dp->disp.dpy, config, attribute, value);
}
// ----------------------------------------------------------------------------
// surfaces
// ----------------------------------------------------------------------------
// The EGL_KHR_gl_colorspace spec hasn't been ratified yet, so these haven't
// been added to the Khronos egl.h.
#define EGL_GL_COLORSPACE_KHR EGL_VG_COLORSPACE
#define EGL_GL_COLORSPACE_SRGB_KHR EGL_VG_COLORSPACE_sRGB
#define EGL_GL_COLORSPACE_LINEAR_KHR EGL_VG_COLORSPACE_LINEAR
// Turn linear formats into corresponding sRGB formats when colorspace is
// EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
// formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
// the modification isn't possible, the original dataSpace is returned.
static android_dataspace modifyBufferDataspace( android_dataspace dataSpace,
EGLint colorspace) {
if (colorspace == EGL_GL_COLORSPACE_LINEAR_KHR) {
return HAL_DATASPACE_SRGB_LINEAR;
} else if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR) {
return HAL_DATASPACE_SRGB;
}
return dataSpace;
}
EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
NativeWindowType window,
const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
EGLDisplay iDpy = dp->disp.dpy;
int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
if (result != OK) {
ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
"failed (%#x) (already connected to another API?)",
window, result);
return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
}
// Set the native window's buffers format to match what this config requests.
// Whether to use sRGB gamma is not part of the EGLconfig, but is part
// of our native format. So if sRGB gamma is requested, we have to
// modify the EGLconfig's format before setting the native window's
// format.
#ifdef USE_BGRA_8888
// by default, just pick BGRA_8888
EGLint format = HAL_PIXEL_FORMAT_BGRA_8888;
#else
// by default, just pick RGBA_8888
EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
#endif
android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
#if WORKAROUND_BUG_10194508
if (!cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_NATIVE_VISUAL_ID,
&format)) {
ALOGE("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed: %#x",
eglGetError());
format = 0;
}
#else
EGLint a = 0;
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
if (a > 0) {
// alpha-channel requested, there's really only one suitable format
#ifdef USE_BGRA_8888
format = HAL_PIXEL_FORMAT_BGRA_8888;
#else
format = HAL_PIXEL_FORMAT_RGBA_8888;
#endif
} else {
EGLint r, g, b;
r = g = b = 0;
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_RED_SIZE, &r);
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_GREEN_SIZE, &g);
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_BLUE_SIZE, &b);
EGLint colorDepth = r + g + b;
if (colorDepth <= 16) {
format = HAL_PIXEL_FORMAT_RGB_565;
} else {
format = HAL_PIXEL_FORMAT_RGBX_8888;
}
}
#endif
// now select a corresponding sRGB format if needed
if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
if (*attr == EGL_GL_COLORSPACE_KHR) {
if (ENABLE_EGL_KHR_GL_COLORSPACE) {
dataSpace = modifyBufferDataspace(dataSpace, *(attr+1));
} else {
// Normally we'd pass through unhandled attributes to
// the driver. But in case the driver implements this
// extension but we're disabling it, we want to prevent
// it getting through -- support will be broken without
// our help.
ALOGE("sRGB window surfaces not supported");
return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
}
}
}
}
if (format != 0) {
int err = native_window_set_buffers_format(window, format);
if (err != 0) {
ALOGE("error setting native window pixel format: %s (%d)",
strerror(-err), err);
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
}
}
if (dataSpace != 0) {
int err = native_window_set_buffers_data_space(window, dataSpace);
if (err != 0) {
ALOGE("error setting native window pixel dataSpace: %s (%d)",
strerror(-err), err);
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
}
}
// the EGL spec requires that a new EGLSurface default to swap interval
// 1, so explicitly set that on the window here.
ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window);
anw->setSwapInterval(anw, 1);
EGLSurface surface = cnx->egl.eglCreateWindowSurface(
iDpy, config, window, attrib_list);
if (surface != EGL_NO_SURFACE) {
egl_surface_t* s = new egl_surface_t(dp.get(), config, window,
surface, cnx);
return s;
}
// EGLSurface creation failed
native_window_set_buffers_format(window, 0);
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
}
return EGL_NO_SURFACE;
}
EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
NativePixmapType pixmap,
const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
dp->disp.dpy, config, pixmap, attrib_list);
if (surface != EGL_NO_SURFACE) {
egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
surface, cnx);
return s;
}
}
return EGL_NO_SURFACE;
}
EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
dp->disp.dpy, config, attrib_list);
if (surface != EGL_NO_SURFACE) {
egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
surface, cnx);
return s;
}
}
return EGL_NO_SURFACE;
}
EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t * const s = get_surface(surface);
EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
if (result == EGL_TRUE) {
_s.terminate();
}
return result;
}
EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
EGLint attribute, EGLint *value)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
return s->cnx->egl.eglQuerySurface(
dp->disp.dpy, s->surface, attribute, value);
}
void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) {
ATRACE_CALL();
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) {
return;
}
SurfaceRef _s(dp.get(), surface);
if (!_s.get()) {
setError(EGL_BAD_SURFACE, EGL_FALSE);
return;
}
}
// ----------------------------------------------------------------------------
// Contexts
// ----------------------------------------------------------------------------
EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
EGLContext share_list, const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
const egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
if (share_list != EGL_NO_CONTEXT) {
if (!ContextRef(dp.get(), share_list).get()) {
return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
}
egl_context_t* const c = get_context(share_list);
share_list = c->context;
}
EGLContext context = cnx->egl.eglCreateContext(
dp->disp.dpy, config, share_list, attrib_list);
if (context != EGL_NO_CONTEXT) {
// figure out if it's a GLESv1 or GLESv2
int version = 0;
if (attrib_list) {
while (*attrib_list != EGL_NONE) {
GLint attr = *attrib_list++;
GLint value = *attrib_list++;
if (attr == EGL_CONTEXT_CLIENT_VERSION) {
if (value == 1) {
version = egl_connection_t::GLESv1_INDEX;
} else if (value == 2 || value == 3) {
version = egl_connection_t::GLESv2_INDEX;
}
}
};
}
egl_context_t* c = new egl_context_t(dpy, context, config, cnx,
version);
#if EGL_TRACE
if (getEGLDebugLevel() > 0)
GLTrace_eglCreateContext(version, c);
#endif
return c;
}
}
return EGL_NO_CONTEXT;
}
EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp)
return EGL_FALSE;
ContextRef _c(dp.get(), ctx);
if (!_c.get())
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
egl_context_t * const c = get_context(ctx);
EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context);
if (result == EGL_TRUE) {
_c.terminate();
}
return result;
}
EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
EGLSurface read, EGLContext ctx)
{
clearError();
egl_display_ptr dp = validate_display(dpy);
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
// If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not
// EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is
// a valid but uninitialized display.
if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) ||
(draw != EGL_NO_SURFACE) ) {
if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
}
// get a reference to the object passed in
ContextRef _c(dp.get(), ctx);
SurfaceRef _d(dp.get(), draw);
SurfaceRef _r(dp.get(), read);
// validate the context (if not EGL_NO_CONTEXT)
if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
// EGL_NO_CONTEXT is valid
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
}
// these are the underlying implementation's object
EGLContext impl_ctx = EGL_NO_CONTEXT;
EGLSurface impl_draw = EGL_NO_SURFACE;
EGLSurface impl_read = EGL_NO_SURFACE;
// these are our objects structs passed in
egl_context_t * c = NULL;
egl_surface_t const * d = NULL;
egl_surface_t const * r = NULL;
// these are the current objects structs
egl_context_t * cur_c = get_context(getContext());
if (ctx != EGL_NO_CONTEXT) {
c = get_context(ctx);
impl_ctx = c->context;
} else {
// no context given, use the implementation of the current context
if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
// calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
return setError(EGL_BAD_MATCH, EGL_FALSE);
}
if (cur_c == NULL) {
// no current context
// not an error, there is just no current context.
return EGL_TRUE;
}
}
// retrieve the underlying implementation's draw EGLSurface
if (draw != EGL_NO_SURFACE) {
if (!_d.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
d = get_surface(draw);
impl_draw = d->surface;
}
// retrieve the underlying implementation's read EGLSurface
if (read != EGL_NO_SURFACE) {
if (!_r.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
r = get_surface(read);
impl_read = r->surface;
}
EGLBoolean result = dp->makeCurrent(c, cur_c,
draw, read, ctx,
impl_draw, impl_read, impl_ctx);
if (result == EGL_TRUE) {
if (c) {
setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
egl_tls_t::setContext(ctx);
#if EGL_TRACE
if (getEGLDebugLevel() > 0)
GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
#endif
_c.acquire();
_r.acquire();
_d.acquire();
} else {
setGLHooksThreadSpecific(&gHooksNoContext);
egl_tls_t::setContext(EGL_NO_CONTEXT);
}
} else {
// this will ALOGE the error
egl_connection_t* const cnx = &gEGLImpl;
result = setError(cnx->egl.eglGetError(), EGL_FALSE);
}
return result;
}
EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
EGLint attribute, EGLint *value)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
ContextRef _c(dp.get(), ctx);
if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
egl_context_t * const c = get_context(ctx);
return c->cnx->egl.eglQueryContext(
dp->disp.dpy, c->context, attribute, value);
}
EGLContext eglGetCurrentContext(void)
{
// could be called before eglInitialize(), but we wouldn't have a context
// then, and this function would correctly return EGL_NO_CONTEXT.
clearError();
EGLContext ctx = getContext();
return ctx;
}
EGLSurface eglGetCurrentSurface(EGLint readdraw)
{
// could be called before eglInitialize(), but we wouldn't have a context
// then, and this function would correctly return EGL_NO_SURFACE.
clearError();
EGLContext ctx = getContext();
if (ctx) {
egl_context_t const * const c = get_context(ctx);
if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
switch (readdraw) {
case EGL_READ: return c->read;
case EGL_DRAW: return c->draw;
default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
}
}
return EGL_NO_SURFACE;
}
EGLDisplay eglGetCurrentDisplay(void)
{
// could be called before eglInitialize(), but we wouldn't have a context
// then, and this function would correctly return EGL_NO_DISPLAY.
clearError();
EGLContext ctx = getContext();
if (ctx) {
egl_context_t const * const c = get_context(ctx);
if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
return c->dpy;
}
return EGL_NO_DISPLAY;
}
EGLBoolean eglWaitGL(void)
{
clearError();
egl_connection_t* const cnx = &gEGLImpl;
if (!cnx->dso)
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
return cnx->egl.eglWaitGL();
}
EGLBoolean eglWaitNative(EGLint engine)
{
clearError();
egl_connection_t* const cnx = &gEGLImpl;
if (!cnx->dso)
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
return cnx->egl.eglWaitNative(engine);
}
EGLint eglGetError(void)
{
EGLint err = EGL_SUCCESS;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso) {
err = cnx->egl.eglGetError();
}
if (err == EGL_SUCCESS) {
err = egl_tls_t::getError();
}
return err;
}
static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
const char* procname) {
const egl_connection_t* cnx = &gEGLImpl;
void* proc = NULL;
proc = dlsym(cnx->libEgl, procname);
if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
proc = dlsym(cnx->libGles2, procname);
if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
proc = dlsym(cnx->libGles1, procname);
if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
return NULL;
}
__eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
{
// eglGetProcAddress() could be the very first function called
// in which case we must make sure we've initialized ourselves, this
// happens the first time egl_get_display() is called.
clearError();
if (egl_init_drivers() == EGL_FALSE) {
setError(EGL_BAD_PARAMETER, NULL);
return NULL;
}
if (FILTER_EXTENSIONS(procname)) {
return NULL;
}
__eglMustCastToProperFunctionPointerType addr;
addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
if (addr) return addr;
addr = findBuiltinWrapper(procname);
if (addr) return addr;
// this protects accesses to sGLExtentionMap and sGLExtentionSlot
pthread_mutex_lock(&sExtensionMapMutex);
/*
* Since eglGetProcAddress() is not associated to anything, it needs
* to return a function pointer that "works" regardless of what
* the current context is.
*
* For this reason, we return a "forwarder", a small stub that takes
* care of calling the function associated with the context
* currently bound.
*
* We first look for extensions we've already resolved, if we're seeing
* this extension for the first time, we go through all our
* implementations and call eglGetProcAddress() and record the
* result in the appropriate implementation hooks and return the
* address of the forwarder corresponding to that hook set.
*
*/
const String8 name(procname);
addr = sGLExtentionMap.valueFor(name);
const int slot = sGLExtentionSlot;
ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS,
"no more slots for eglGetProcAddress(\"%s\")",
procname);
#if EGL_TRACE
gl_hooks_t *debugHooks = GLTrace_getGLHooks();
#endif
if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) {
bool found = false;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglGetProcAddress) {