2 ** Copyright 2007, The Android Open Source Project
4 ** Licensed under the Apache License, Version 2.0 (the "License");
5 ** you may not use this file except in compliance with the License.
6 ** You may obtain a copy of the License at
8 ** http://www.apache.org/licenses/LICENSE-2.0
10 ** Unless required by applicable law or agreed to in writing, software
11 ** distributed under the License is distributed on an "AS IS" BASIS,
12 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 ** See the License for the specific language governing permissions and
14 ** limitations under the License.
17 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
24 #include <hardware/gralloc.h>
25 #include <system/window.h>
28 #include <EGL/eglext.h>
30 #include <cutils/log.h>
31 #include <cutils/atomic.h>
32 #include <cutils/compiler.h>
33 #include <cutils/properties.h>
34 #include <cutils/memory.h>
36 #include <utils/KeyedVector.h>
37 #include <utils/SortedVector.h>
38 #include <utils/String8.h>
39 #include <utils/Trace.h>
41 #include "../egl_impl.h"
42 #include "../glestrace.h"
45 #include "egl_display.h"
46 #include "egl_object.h"
50 using namespace android;
52 // This extension has not been ratified yet, so can't be shipped.
53 // Implementation is incomplete and untested.
54 #define ENABLE_EGL_KHR_GL_COLORSPACE 0
56 // ----------------------------------------------------------------------------
60 struct extention_map_t {
62 __eglMustCastToProperFunctionPointerType address;
66 * This is the list of EGL extensions exposed to applications.
68 * Some of them (gBuiltinExtensionString) are implemented entirely in this EGL
69 * wrapper and are always available.
71 * The rest (gExtensionString) depend on support in the EGL driver, and are
72 * only available if the driver supports them. However, some of these must be
73 * supported because they are used by the Android system itself; these are
74 * listd as mandatory below and are required by the CDD. The system *assumes*
75 * the mandatory extensions are present and may not function properly if some
78 * NOTE: Both strings MUST have a single space as the last character.
80 extern char const * const gBuiltinExtensionString =
81 "EGL_KHR_get_all_proc_addresses "
82 "EGL_ANDROID_presentation_time "
83 "EGL_KHR_swap_buffers_with_damage "
85 extern char const * const gExtensionString =
86 "EGL_KHR_image " // mandatory
87 "EGL_KHR_image_base " // mandatory
88 "EGL_KHR_image_pixmap "
89 "EGL_KHR_lock_surface "
90 #if (ENABLE_EGL_KHR_GL_COLORSPACE != 0)
91 "EGL_KHR_gl_colorspace "
93 "EGL_KHR_gl_texture_2D_image "
94 "EGL_KHR_gl_texture_cubemap_image "
95 "EGL_KHR_gl_renderbuffer_image "
96 "EGL_KHR_reusable_sync "
98 "EGL_KHR_create_context "
99 "EGL_EXT_create_context_robustness "
100 "EGL_NV_system_time "
101 "EGL_ANDROID_image_native_buffer " // mandatory
102 "EGL_KHR_wait_sync " // strongly recommended
103 "EGL_ANDROID_recordable " // mandatory
104 "EGL_KHR_partial_update " // strongly recommended
105 "EGL_EXT_buffer_age " // strongly recommended with partial_update
106 "EGL_KHR_create_context_no_error "
109 // extensions not exposed to applications but used by the ANDROID system
110 // "EGL_ANDROID_blob_cache " // strongly recommended
111 // "EGL_IMG_hibernate_process " // optional
112 // "EGL_ANDROID_native_fence_sync " // strongly recommended
113 // "EGL_ANDROID_framebuffer_target " // mandatory for HWC 1.1
114 // "EGL_ANDROID_image_crop " // optional
117 * EGL Extensions entry-points exposed to 3rd party applications
118 * (keep in sync with gExtensionString above)
121 static const extention_map_t sExtensionMap[] = {
122 // EGL_KHR_lock_surface
123 { "eglLockSurfaceKHR",
124 (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR },
125 { "eglUnlockSurfaceKHR",
126 (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR },
128 // EGL_KHR_image, EGL_KHR_image_base
129 { "eglCreateImageKHR",
130 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR },
131 { "eglDestroyImageKHR",
132 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
134 // EGL_KHR_reusable_sync, EGL_KHR_fence_sync
135 { "eglCreateSyncKHR",
136 (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR },
137 { "eglDestroySyncKHR",
138 (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR },
139 { "eglClientWaitSyncKHR",
140 (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR },
141 { "eglSignalSyncKHR",
142 (__eglMustCastToProperFunctionPointerType)&eglSignalSyncKHR },
143 { "eglGetSyncAttribKHR",
144 (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR },
146 // EGL_NV_system_time
147 { "eglGetSystemTimeFrequencyNV",
148 (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
149 { "eglGetSystemTimeNV",
150 (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
154 (__eglMustCastToProperFunctionPointerType)&eglWaitSyncKHR },
156 // EGL_ANDROID_presentation_time
157 { "eglPresentationTimeANDROID",
158 (__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
160 // EGL_KHR_swap_buffers_with_damage
161 { "eglSwapBuffersWithDamageKHR",
162 (__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
164 // EGL_KHR_partial_update
165 { "eglSetDamageRegionKHR",
166 (__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
170 * These extensions entry-points should not be exposed to applications.
171 * They're used internally by the Android EGL layer.
173 #define FILTER_EXTENSIONS(procname) \
174 (!strcmp((procname), "eglSetBlobCacheFuncsANDROID") || \
175 !strcmp((procname), "eglHibernateProcessIMG") || \
176 !strcmp((procname), "eglAwakenProcessIMG") || \
177 !strcmp((procname), "eglDupNativeFenceFDANDROID"))
181 // accesses protected by sExtensionMapMutex
182 static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
183 static int sGLExtentionSlot = 0;
184 static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER;
186 static void(*findProcAddress(const char* name,
187 const extention_map_t* map, size_t n))() {
188 for (uint32_t i=0 ; i<n ; i++) {
189 if (!strcmp(name, map[i].name)) {
190 return map[i].address;
196 // ----------------------------------------------------------------------------
198 extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
199 extern EGLBoolean egl_init_drivers();
200 extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS];
201 extern int getEGLDebugLevel();
202 extern void setEGLDebugLevel(int level);
203 extern gl_hooks_t gHooksTrace;
205 } // namespace android;
208 // ----------------------------------------------------------------------------
210 static inline void clearError() { egl_tls_t::clearError(); }
211 static inline EGLContext getContext() { return egl_tls_t::getContext(); }
213 // ----------------------------------------------------------------------------
215 EGLDisplay eglGetDisplay(EGLNativeDisplayType display)
219 uintptr_t index = reinterpret_cast<uintptr_t>(display);
220 if (index >= NUM_DISPLAYS) {
221 return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
224 if (egl_init_drivers() == EGL_FALSE) {
225 return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
228 EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display);
232 // ----------------------------------------------------------------------------
234 // ----------------------------------------------------------------------------
236 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
240 egl_display_ptr dp = get_display(dpy);
241 if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
243 EGLBoolean res = dp->initialize(major, minor);
248 EGLBoolean eglTerminate(EGLDisplay dpy)
250 // NOTE: don't unload the drivers b/c some APIs can be called
251 // after eglTerminate() has been called. eglTerminate() only
252 // terminates an EGLDisplay, not a EGL itself.
256 egl_display_ptr dp = get_display(dpy);
257 if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
259 EGLBoolean res = dp->terminate();
264 // ----------------------------------------------------------------------------
266 // ----------------------------------------------------------------------------
268 EGLBoolean eglGetConfigs( EGLDisplay dpy,
270 EGLint config_size, EGLint *num_config)
274 const egl_display_ptr dp = validate_display(dpy);
275 if (!dp) return EGL_FALSE;
278 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
281 EGLBoolean res = EGL_FALSE;
284 egl_connection_t* const cnx = &gEGLImpl;
286 res = cnx->egl.eglGetConfigs(
287 dp->disp.dpy, configs, config_size, num_config);
293 EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
294 EGLConfig *configs, EGLint config_size,
299 const egl_display_ptr dp = validate_display(dpy);
300 if (!dp) return EGL_FALSE;
303 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
306 EGLBoolean res = EGL_FALSE;
309 egl_connection_t* const cnx = &gEGLImpl;
312 char value[PROPERTY_VALUE_MAX];
313 property_get("debug.egl.force_msaa", value, "false");
315 if (!strcmp(value, "true")) {
316 size_t attribCount = 0;
317 EGLint attrib = attrib_list[0];
319 // Only enable MSAA if the context is OpenGL ES 2.0 and
320 // if no caveat is requested
321 const EGLint *attribRendererable = NULL;
322 const EGLint *attribCaveat = NULL;
324 // Count the number of attributes and look for
325 // EGL_RENDERABLE_TYPE and EGL_CONFIG_CAVEAT
326 while (attrib != EGL_NONE) {
327 attrib = attrib_list[attribCount];
329 case EGL_RENDERABLE_TYPE:
330 attribRendererable = &attrib_list[attribCount];
332 case EGL_CONFIG_CAVEAT:
333 attribCaveat = &attrib_list[attribCount];
339 if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT &&
340 (!attribCaveat || attribCaveat[1] != EGL_NONE)) {
342 // Insert 2 extra attributes to force-enable MSAA 4x
343 EGLint aaAttribs[attribCount + 4];
344 aaAttribs[0] = EGL_SAMPLE_BUFFERS;
346 aaAttribs[2] = EGL_SAMPLES;
349 memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint));
352 EGLBoolean resAA = cnx->egl.eglChooseConfig(
353 dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA);
355 if (resAA == EGL_TRUE && numConfigAA > 0) {
356 ALOGD("Enabling MSAA 4x");
357 *num_config = numConfigAA;
364 res = cnx->egl.eglChooseConfig(
365 dp->disp.dpy, attrib_list, configs, config_size, num_config);
370 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
371 EGLint attribute, EGLint *value)
375 egl_connection_t* cnx = NULL;
376 const egl_display_ptr dp = validate_display_connection(dpy, cnx);
377 if (!dp) return EGL_FALSE;
379 return cnx->egl.eglGetConfigAttrib(
380 dp->disp.dpy, config, attribute, value);
383 // ----------------------------------------------------------------------------
385 // ----------------------------------------------------------------------------
387 // The EGL_KHR_gl_colorspace spec hasn't been ratified yet, so these haven't
388 // been added to the Khronos egl.h.
389 #define EGL_GL_COLORSPACE_KHR EGL_VG_COLORSPACE
390 #define EGL_GL_COLORSPACE_SRGB_KHR EGL_VG_COLORSPACE_sRGB
391 #define EGL_GL_COLORSPACE_LINEAR_KHR EGL_VG_COLORSPACE_LINEAR
393 // Turn linear formats into corresponding sRGB formats when colorspace is
394 // EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
395 // formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
396 // the modification isn't possible, the original dataSpace is returned.
397 static android_dataspace modifyBufferDataspace( android_dataspace dataSpace,
399 if (colorspace == EGL_GL_COLORSPACE_LINEAR_KHR) {
400 return HAL_DATASPACE_SRGB_LINEAR;
401 } else if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR) {
402 return HAL_DATASPACE_SRGB;
407 EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
408 NativeWindowType window,
409 const EGLint *attrib_list)
413 egl_connection_t* cnx = NULL;
414 egl_display_ptr dp = validate_display_connection(dpy, cnx);
416 EGLDisplay iDpy = dp->disp.dpy;
418 int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
420 ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
421 "failed (%#x) (already connected to another API?)",
423 return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
426 // Set the native window's buffers format to match what this config requests.
427 // Whether to use sRGB gamma is not part of the EGLconfig, but is part
428 // of our native format. So if sRGB gamma is requested, we have to
429 // modify the EGLconfig's format before setting the native window's
432 // by default, just pick RGBA_8888
433 EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
434 android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
437 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
439 // alpha-channel requested, there's really only one suitable format
440 format = HAL_PIXEL_FORMAT_RGBA_8888;
444 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_RED_SIZE, &r);
445 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_GREEN_SIZE, &g);
446 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_BLUE_SIZE, &b);
447 EGLint colorDepth = r + g + b;
448 if (colorDepth <= 16) {
449 format = HAL_PIXEL_FORMAT_RGB_565;
451 format = HAL_PIXEL_FORMAT_RGBX_8888;
455 // now select a corresponding sRGB format if needed
456 if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
457 for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
458 if (*attr == EGL_GL_COLORSPACE_KHR) {
459 if (ENABLE_EGL_KHR_GL_COLORSPACE) {
460 dataSpace = modifyBufferDataspace(dataSpace, *(attr+1));
462 // Normally we'd pass through unhandled attributes to
463 // the driver. But in case the driver implements this
464 // extension but we're disabling it, we want to prevent
465 // it getting through -- support will be broken without
467 ALOGE("sRGB window surfaces not supported");
468 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
475 int err = native_window_set_buffers_format(window, format);
477 ALOGE("error setting native window pixel format: %s (%d)",
478 strerror(-err), err);
479 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
480 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
484 if (dataSpace != 0) {
485 int err = native_window_set_buffers_data_space(window, dataSpace);
487 ALOGE("error setting native window pixel dataSpace: %s (%d)",
488 strerror(-err), err);
489 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
490 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
494 // the EGL spec requires that a new EGLSurface default to swap interval
495 // 1, so explicitly set that on the window here.
496 ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window);
497 anw->setSwapInterval(anw, 1);
499 EGLSurface surface = cnx->egl.eglCreateWindowSurface(
500 iDpy, config, window, attrib_list);
501 if (surface != EGL_NO_SURFACE) {
502 egl_surface_t* s = new egl_surface_t(dp.get(), config, window,
507 // EGLSurface creation failed
508 native_window_set_buffers_format(window, 0);
509 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
511 return EGL_NO_SURFACE;
514 EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
515 NativePixmapType pixmap,
516 const EGLint *attrib_list)
520 egl_connection_t* cnx = NULL;
521 egl_display_ptr dp = validate_display_connection(dpy, cnx);
523 EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
524 dp->disp.dpy, config, pixmap, attrib_list);
525 if (surface != EGL_NO_SURFACE) {
526 egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
531 return EGL_NO_SURFACE;
534 EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
535 const EGLint *attrib_list)
539 egl_connection_t* cnx = NULL;
540 egl_display_ptr dp = validate_display_connection(dpy, cnx);
542 EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
543 dp->disp.dpy, config, attrib_list);
544 if (surface != EGL_NO_SURFACE) {
545 egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
550 return EGL_NO_SURFACE;
553 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
557 const egl_display_ptr dp = validate_display(dpy);
558 if (!dp) return EGL_FALSE;
560 SurfaceRef _s(dp.get(), surface);
562 return setError(EGL_BAD_SURFACE, EGL_FALSE);
564 egl_surface_t * const s = get_surface(surface);
565 EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
566 if (result == EGL_TRUE) {
572 EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
573 EGLint attribute, EGLint *value)
577 const egl_display_ptr dp = validate_display(dpy);
578 if (!dp) return EGL_FALSE;
580 SurfaceRef _s(dp.get(), surface);
582 return setError(EGL_BAD_SURFACE, EGL_FALSE);
584 egl_surface_t const * const s = get_surface(surface);
585 return s->cnx->egl.eglQuerySurface(
586 dp->disp.dpy, s->surface, attribute, value);
589 void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) {
593 const egl_display_ptr dp = validate_display(dpy);
598 SurfaceRef _s(dp.get(), surface);
600 setError(EGL_BAD_SURFACE, EGL_FALSE);
605 // ----------------------------------------------------------------------------
607 // ----------------------------------------------------------------------------
609 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
610 EGLContext share_list, const EGLint *attrib_list)
614 egl_connection_t* cnx = NULL;
615 const egl_display_ptr dp = validate_display_connection(dpy, cnx);
617 if (share_list != EGL_NO_CONTEXT) {
618 if (!ContextRef(dp.get(), share_list).get()) {
619 return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
621 egl_context_t* const c = get_context(share_list);
622 share_list = c->context;
624 EGLContext context = cnx->egl.eglCreateContext(
625 dp->disp.dpy, config, share_list, attrib_list);
626 if (context != EGL_NO_CONTEXT) {
627 // figure out if it's a GLESv1 or GLESv2
630 while (*attrib_list != EGL_NONE) {
631 GLint attr = *attrib_list++;
632 GLint value = *attrib_list++;
633 if (attr == EGL_CONTEXT_CLIENT_VERSION) {
635 version = egl_connection_t::GLESv1_INDEX;
636 } else if (value == 2 || value == 3) {
637 version = egl_connection_t::GLESv2_INDEX;
642 egl_context_t* c = new egl_context_t(dpy, context, config, cnx,
645 if (getEGLDebugLevel() > 0)
646 GLTrace_eglCreateContext(version, c);
651 return EGL_NO_CONTEXT;
654 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
658 const egl_display_ptr dp = validate_display(dpy);
662 ContextRef _c(dp.get(), ctx);
664 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
666 egl_context_t * const c = get_context(ctx);
667 EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context);
668 if (result == EGL_TRUE) {
674 EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
675 EGLSurface read, EGLContext ctx)
679 egl_display_ptr dp = validate_display(dpy);
680 if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
682 // If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not
683 // EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is
684 // a valid but uninitialized display.
685 if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) ||
686 (draw != EGL_NO_SURFACE) ) {
687 if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
690 // get a reference to the object passed in
691 ContextRef _c(dp.get(), ctx);
692 SurfaceRef _d(dp.get(), draw);
693 SurfaceRef _r(dp.get(), read);
695 // validate the context (if not EGL_NO_CONTEXT)
696 if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
697 // EGL_NO_CONTEXT is valid
698 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
701 // these are the underlying implementation's object
702 EGLContext impl_ctx = EGL_NO_CONTEXT;
703 EGLSurface impl_draw = EGL_NO_SURFACE;
704 EGLSurface impl_read = EGL_NO_SURFACE;
706 // these are our objects structs passed in
707 egl_context_t * c = NULL;
708 egl_surface_t const * d = NULL;
709 egl_surface_t const * r = NULL;
711 // these are the current objects structs
712 egl_context_t * cur_c = get_context(getContext());
714 if (ctx != EGL_NO_CONTEXT) {
715 c = get_context(ctx);
716 impl_ctx = c->context;
718 // no context given, use the implementation of the current context
719 if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
720 // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
721 return setError(EGL_BAD_MATCH, EGL_FALSE);
724 // no current context
725 // not an error, there is just no current context.
730 // retrieve the underlying implementation's draw EGLSurface
731 if (draw != EGL_NO_SURFACE) {
732 if (!_d.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
733 d = get_surface(draw);
734 impl_draw = d->surface;
737 // retrieve the underlying implementation's read EGLSurface
738 if (read != EGL_NO_SURFACE) {
739 if (!_r.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
740 r = get_surface(read);
741 impl_read = r->surface;
745 EGLBoolean result = dp->makeCurrent(c, cur_c,
747 impl_draw, impl_read, impl_ctx);
749 if (result == EGL_TRUE) {
751 setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
752 egl_tls_t::setContext(ctx);
754 if (getEGLDebugLevel() > 0)
755 GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
761 setGLHooksThreadSpecific(&gHooksNoContext);
762 egl_tls_t::setContext(EGL_NO_CONTEXT);
765 // this will ALOGE the error
766 egl_connection_t* const cnx = &gEGLImpl;
767 result = setError(cnx->egl.eglGetError(), EGL_FALSE);
773 EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
774 EGLint attribute, EGLint *value)
778 const egl_display_ptr dp = validate_display(dpy);
779 if (!dp) return EGL_FALSE;
781 ContextRef _c(dp.get(), ctx);
782 if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
784 egl_context_t * const c = get_context(ctx);
785 return c->cnx->egl.eglQueryContext(
786 dp->disp.dpy, c->context, attribute, value);
790 EGLContext eglGetCurrentContext(void)
792 // could be called before eglInitialize(), but we wouldn't have a context
793 // then, and this function would correctly return EGL_NO_CONTEXT.
797 EGLContext ctx = getContext();
801 EGLSurface eglGetCurrentSurface(EGLint readdraw)
803 // could be called before eglInitialize(), but we wouldn't have a context
804 // then, and this function would correctly return EGL_NO_SURFACE.
808 EGLContext ctx = getContext();
810 egl_context_t const * const c = get_context(ctx);
811 if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
813 case EGL_READ: return c->read;
814 case EGL_DRAW: return c->draw;
815 default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
818 return EGL_NO_SURFACE;
821 EGLDisplay eglGetCurrentDisplay(void)
823 // could be called before eglInitialize(), but we wouldn't have a context
824 // then, and this function would correctly return EGL_NO_DISPLAY.
828 EGLContext ctx = getContext();
830 egl_context_t const * const c = get_context(ctx);
831 if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
834 return EGL_NO_DISPLAY;
837 EGLBoolean eglWaitGL(void)
841 egl_connection_t* const cnx = &gEGLImpl;
843 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
845 return cnx->egl.eglWaitGL();
848 EGLBoolean eglWaitNative(EGLint engine)
852 egl_connection_t* const cnx = &gEGLImpl;
854 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
856 return cnx->egl.eglWaitNative(engine);
859 EGLint eglGetError(void)
861 EGLint err = EGL_SUCCESS;
862 egl_connection_t* const cnx = &gEGLImpl;
864 err = cnx->egl.eglGetError();
866 if (err == EGL_SUCCESS) {
867 err = egl_tls_t::getError();
872 static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
873 const char* procname) {
874 const egl_connection_t* cnx = &gEGLImpl;
877 proc = dlsym(cnx->libEgl, procname);
878 if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
880 proc = dlsym(cnx->libGles2, procname);
881 if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
883 proc = dlsym(cnx->libGles1, procname);
884 if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
889 __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
891 // eglGetProcAddress() could be the very first function called
892 // in which case we must make sure we've initialized ourselves, this
893 // happens the first time egl_get_display() is called.
897 if (egl_init_drivers() == EGL_FALSE) {
898 setError(EGL_BAD_PARAMETER, NULL);
902 if (FILTER_EXTENSIONS(procname)) {
906 __eglMustCastToProperFunctionPointerType addr;
907 addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
908 if (addr) return addr;
910 addr = findBuiltinWrapper(procname);
911 if (addr) return addr;
913 // this protects accesses to sGLExtentionMap and sGLExtentionSlot
914 pthread_mutex_lock(&sExtensionMapMutex);
917 * Since eglGetProcAddress() is not associated to anything, it needs
918 * to return a function pointer that "works" regardless of what
919 * the current context is.
921 * For this reason, we return a "forwarder", a small stub that takes
922 * care of calling the function associated with the context
925 * We first look for extensions we've already resolved, if we're seeing
926 * this extension for the first time, we go through all our
927 * implementations and call eglGetProcAddress() and record the
928 * result in the appropriate implementation hooks and return the
929 * address of the forwarder corresponding to that hook set.
933 const String8 name(procname);
934 addr = sGLExtentionMap.valueFor(name);
935 const int slot = sGLExtentionSlot;
937 ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS,
938 "no more slots for eglGetProcAddress(\"%s\")",
942 gl_hooks_t *debugHooks = GLTrace_getGLHooks();
945 if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) {
948 egl_connection_t* const cnx = &gEGLImpl;
949 if (cnx->dso && cnx->egl.eglGetProcAddress) {
950 // Extensions are independent of the bound context
952 cnx->hooks[egl_connection_t::GLESv1_INDEX]->ext.extensions[slot] =
953 cnx->hooks[egl_connection_t::GLESv2_INDEX]->ext.extensions[slot] =
955 debugHooks->ext.extensions[slot] =
956 gHooksTrace.ext.extensions[slot] =
958 cnx->egl.eglGetProcAddress(procname);
959 if (addr) found = true;
963 addr = gExtensionForwarders[slot];
964 sGLExtentionMap.add(name, addr);
969 pthread_mutex_unlock(&sExtensionMapMutex);
973 class FrameCompletionThread : public Thread {
976 static void queueSync(EGLSyncKHR sync) {
977 static sp<FrameCompletionThread> thread(new FrameCompletionThread);
978 static bool running = false;
980 thread->run("GPUFrameCompletion");
984 Mutex::Autolock lock(thread->mMutex);
985 ScopedTrace st(ATRACE_TAG, String8::format("kicked off frame %d",
986 thread->mFramesQueued).string());
987 thread->mQueue.push_back(sync);
988 thread->mCondition.signal();
989 thread->mFramesQueued++;
990 ATRACE_INT("GPU Frames Outstanding", thread->mQueue.size());
995 FrameCompletionThread() : mFramesQueued(0), mFramesCompleted(0) {}
997 virtual bool threadLoop() {
1001 Mutex::Autolock lock(mMutex);
1002 while (mQueue.isEmpty()) {
1003 mCondition.wait(mMutex);
1006 frameNum = mFramesCompleted;
1008 EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
1010 ScopedTrace st(ATRACE_TAG, String8::format("waiting for frame %d",
1011 frameNum).string());
1012 EGLint result = eglClientWaitSyncKHR(dpy, sync, 0, EGL_FOREVER_KHR);
1013 if (result == EGL_FALSE) {
1014 ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError());
1015 } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
1016 ALOGE("FrameCompletion: timeout waiting for fence");
1018 eglDestroySyncKHR(dpy, sync);
1021 Mutex::Autolock lock(mMutex);
1024 ATRACE_INT("GPU Frames Outstanding", mQueue.size());
1029 uint32_t mFramesQueued;
1030 uint32_t mFramesCompleted;
1031 Vector<EGLSyncKHR> mQueue;
1032 Condition mCondition;
1036 EGLBoolean eglSwapBuffersWithDamageKHR(EGLDisplay dpy, EGLSurface draw,
1037 EGLint *rects, EGLint n_rects)
1042 const egl_display_ptr dp = validate_display(dpy);
1043 if (!dp) return EGL_FALSE;
1045 SurfaceRef _s(dp.get(), draw);
1047 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1050 gl_hooks_t const *trace_hooks = getGLTraceThreadSpecific();
1051 if (getEGLDebugLevel() > 0) {
1052 if (trace_hooks == NULL) {
1053 if (GLTrace_start() < 0) {
1054 ALOGE("Disabling Tracer for OpenGL ES");
1055 setEGLDebugLevel(0);
1057 // switch over to the trace version of hooks
1058 EGLContext ctx = egl_tls_t::getContext();
1059 egl_context_t * const c = get_context(ctx);
1061 setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
1062 GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
1067 GLTrace_eglSwapBuffers(dpy, draw);
1068 } else if (trace_hooks != NULL) {
1069 // tracing is now disabled, so switch back to the non trace version
1070 EGLContext ctx = egl_tls_t::getContext();
1071 egl_context_t * const c = get_context(ctx);
1072 if (c) setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
1077 egl_surface_t const * const s = get_surface(draw);
1079 if (CC_UNLIKELY(dp->traceGpuCompletion)) {
1080 EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
1081 if (sync != EGL_NO_SYNC_KHR) {
1082 FrameCompletionThread::queueSync(sync);
1086 if (CC_UNLIKELY(dp->finishOnSwap)) {
1088 egl_context_t * const c = get_context( egl_tls_t::getContext() );
1090 // glReadPixels() ensures that the frame is complete
1091 s->cnx->hooks[c->version]->gl.glReadPixels(0,0,1,1,
1092 GL_RGBA,GL_UNSIGNED_BYTE,&pixel);
1097 return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1100 Vector<android_native_rect_t> androidRects;
1101 for (int r = 0; r < n_rects; ++r) {
1103 int x = rects[offset];
1104 int y = rects[offset + 1];
1105 int width = rects[offset + 2];
1106 int height = rects[offset + 3];
1107 android_native_rect_t androidRect;
1108 androidRect.left = x;
1109 androidRect.top = y + height;
1110 androidRect.right = x + width;
1111 androidRect.bottom = y;
1112 androidRects.push_back(androidRect);
1114 native_window_set_surface_damage(s->win.get(), androidRects.array(),
1115 androidRects.size());
1117 if (s->cnx->egl.eglSwapBuffersWithDamageKHR) {
1118 return s->cnx->egl.eglSwapBuffersWithDamageKHR(dp->disp.dpy, s->surface,
1121 return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1125 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
1127 return eglSwapBuffersWithDamageKHR(dpy, surface, NULL, 0);
1130 EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
1131 NativePixmapType target)
1135 const egl_display_ptr dp = validate_display(dpy);
1136 if (!dp) return EGL_FALSE;
1138 SurfaceRef _s(dp.get(), surface);
1140 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1142 egl_surface_t const * const s = get_surface(surface);
1143 return s->cnx->egl.eglCopyBuffers(dp->disp.dpy, s->surface, target);
1146 const char* eglQueryString(EGLDisplay dpy, EGLint name)
1150 const egl_display_ptr dp = validate_display(dpy);
1151 if (!dp) return (const char *) NULL;
1155 return dp->getVendorString();
1157 return dp->getVersionString();
1158 case EGL_EXTENSIONS:
1159 return dp->getExtensionString();
1160 case EGL_CLIENT_APIS:
1161 return dp->getClientApiString();
1163 return setError(EGL_BAD_PARAMETER, (const char *)0);
1166 EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name)
1170 const egl_display_ptr dp = validate_display(dpy);
1171 if (!dp) return (const char *) NULL;
1175 return dp->disp.queryString.vendor;
1177 return dp->disp.queryString.version;
1178 case EGL_EXTENSIONS:
1179 return dp->disp.queryString.extensions;
1180 case EGL_CLIENT_APIS:
1181 return dp->disp.queryString.clientApi;
1183 return setError(EGL_BAD_PARAMETER, (const char *)0);
1186 // ----------------------------------------------------------------------------
1188 // ----------------------------------------------------------------------------
1190 EGLBoolean eglSurfaceAttrib(
1191 EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
1195 const egl_display_ptr dp = validate_display(dpy);
1196 if (!dp) return EGL_FALSE;
1198 SurfaceRef _s(dp.get(), surface);
1200 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1202 egl_surface_t const * const s = get_surface(surface);
1203 if (s->cnx->egl.eglSurfaceAttrib) {
1204 return s->cnx->egl.eglSurfaceAttrib(
1205 dp->disp.dpy, s->surface, attribute, value);
1207 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1210 EGLBoolean eglBindTexImage(
1211 EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1215 const egl_display_ptr dp = validate_display(dpy);
1216 if (!dp) return EGL_FALSE;
1218 SurfaceRef _s(dp.get(), surface);
1220 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1222 egl_surface_t const * const s = get_surface(surface);
1223 if (s->cnx->egl.eglBindTexImage) {
1224 return s->cnx->egl.eglBindTexImage(
1225 dp->disp.dpy, s->surface, buffer);
1227 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1230 EGLBoolean eglReleaseTexImage(
1231 EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1235 const egl_display_ptr dp = validate_display(dpy);
1236 if (!dp) return EGL_FALSE;
1238 SurfaceRef _s(dp.get(), surface);
1240 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1242 egl_surface_t const * const s = get_surface(surface);
1243 if (s->cnx->egl.eglReleaseTexImage) {
1244 return s->cnx->egl.eglReleaseTexImage(
1245 dp->disp.dpy, s->surface, buffer);
1247 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1250 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
1254 const egl_display_ptr dp = validate_display(dpy);
1255 if (!dp) return EGL_FALSE;
1257 EGLBoolean res = EGL_TRUE;
1258 egl_connection_t* const cnx = &gEGLImpl;
1259 if (cnx->dso && cnx->egl.eglSwapInterval) {
1260 res = cnx->egl.eglSwapInterval(dp->disp.dpy, interval);
1267 // ----------------------------------------------------------------------------
1269 // ----------------------------------------------------------------------------
1271 EGLBoolean eglWaitClient(void)
1275 egl_connection_t* const cnx = &gEGLImpl;
1277 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
1280 if (cnx->egl.eglWaitClient) {
1281 res = cnx->egl.eglWaitClient();
1283 res = cnx->egl.eglWaitGL();
1288 EGLBoolean eglBindAPI(EGLenum api)
1292 if (egl_init_drivers() == EGL_FALSE) {
1293 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1296 // bind this API on all EGLs
1297 EGLBoolean res = EGL_TRUE;
1298 egl_connection_t* const cnx = &gEGLImpl;
1299 if (cnx->dso && cnx->egl.eglBindAPI) {
1300 res = cnx->egl.eglBindAPI(api);
1305 EGLenum eglQueryAPI(void)
1309 if (egl_init_drivers() == EGL_FALSE) {
1310 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1313 egl_connection_t* const cnx = &gEGLImpl;
1314 if (cnx->dso && cnx->egl.eglQueryAPI) {
1315 return cnx->egl.eglQueryAPI();
1318 // or, it can only be OpenGL ES
1319 return EGL_OPENGL_ES_API;
1322 EGLBoolean eglReleaseThread(void)
1327 if (getEGLDebugLevel() > 0)
1328 GLTrace_eglReleaseThread();
1331 // If there is context bound to the thread, release it
1332 egl_display_t::loseCurrent(get_context(getContext()));
1334 egl_connection_t* const cnx = &gEGLImpl;
1335 if (cnx->dso && cnx->egl.eglReleaseThread) {
1336 cnx->egl.eglReleaseThread();
1338 egl_tls_t::clearTLS();
1342 EGLSurface eglCreatePbufferFromClientBuffer(
1343 EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
1344 EGLConfig config, const EGLint *attrib_list)
1348 egl_connection_t* cnx = NULL;
1349 const egl_display_ptr dp = validate_display_connection(dpy, cnx);
1350 if (!dp) return EGL_FALSE;
1351 if (cnx->egl.eglCreatePbufferFromClientBuffer) {
1352 return cnx->egl.eglCreatePbufferFromClientBuffer(
1353 dp->disp.dpy, buftype, buffer, config, attrib_list);
1355 return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
1358 // ----------------------------------------------------------------------------
1359 // EGL_EGLEXT_VERSION 3
1360 // ----------------------------------------------------------------------------
1362 EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface,
1363 const EGLint *attrib_list)
1367 const egl_display_ptr dp = validate_display(dpy);
1368 if (!dp) return EGL_FALSE;
1370 SurfaceRef _s(dp.get(), surface);
1372 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1374 egl_surface_t const * const s = get_surface(surface);
1375 if (s->cnx->egl.eglLockSurfaceKHR) {
1376 return s->cnx->egl.eglLockSurfaceKHR(
1377 dp->disp.dpy, s->surface, attrib_list);
1379 return setError(EGL_BAD_DISPLAY, EGL_FALSE);
1382 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface)
1386 const egl_display_ptr dp = validate_display(dpy);
1387 if (!dp) return EGL_FALSE;
1389 SurfaceRef _s(dp.get(), surface);
1391 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1393 egl_surface_t const * const s = get_surface(surface);
1394 if (s->cnx->egl.eglUnlockSurfaceKHR) {
1395 return s->cnx->egl.eglUnlockSurfaceKHR(dp->disp.dpy, s->surface);
1397 return setError(EGL_BAD_DISPLAY, EGL_FALSE);
1400 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
1401 EGLClientBuffer buffer, const EGLint *attrib_list)
1405 const egl_display_ptr dp = validate_display(dpy);
1406 if (!dp) return EGL_NO_IMAGE_KHR;
1408 ContextRef _c(dp.get(), ctx);
1409 egl_context_t * const c = _c.get();
1411 EGLImageKHR result = EGL_NO_IMAGE_KHR;
1412 egl_connection_t* const cnx = &gEGLImpl;
1413 if (cnx->dso && cnx->egl.eglCreateImageKHR) {
1414 result = cnx->egl.eglCreateImageKHR(
1416 c ? c->context : EGL_NO_CONTEXT,
1417 target, buffer, attrib_list);
1422 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
1426 const egl_display_ptr dp = validate_display(dpy);
1427 if (!dp) return EGL_FALSE;
1429 EGLBoolean result = EGL_FALSE;
1430 egl_connection_t* const cnx = &gEGLImpl;
1431 if (cnx->dso && cnx->egl.eglDestroyImageKHR) {
1432 result = cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
1437 // ----------------------------------------------------------------------------
1438 // EGL_EGLEXT_VERSION 5
1439 // ----------------------------------------------------------------------------
1442 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
1446 const egl_display_ptr dp = validate_display(dpy);
1447 if (!dp) return EGL_NO_SYNC_KHR;
1449 EGLSyncKHR result = EGL_NO_SYNC_KHR;
1450 egl_connection_t* const cnx = &gEGLImpl;
1451 if (cnx->dso && cnx->egl.eglCreateSyncKHR) {
1452 result = cnx->egl.eglCreateSyncKHR(dp->disp.dpy, type, attrib_list);
1457 EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
1461 const egl_display_ptr dp = validate_display(dpy);
1462 if (!dp) return EGL_FALSE;
1464 EGLBoolean result = EGL_FALSE;
1465 egl_connection_t* const cnx = &gEGLImpl;
1466 if (cnx->dso && cnx->egl.eglDestroySyncKHR) {
1467 result = cnx->egl.eglDestroySyncKHR(dp->disp.dpy, sync);
1472 EGLBoolean eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode) {
1475 const egl_display_ptr dp = validate_display(dpy);
1476 if (!dp) return EGL_FALSE;
1478 EGLBoolean result = EGL_FALSE;
1479 egl_connection_t* const cnx = &gEGLImpl;
1480 if (cnx->dso && cnx->egl.eglSignalSyncKHR) {
1481 result = cnx->egl.eglSignalSyncKHR(
1482 dp->disp.dpy, sync, mode);
1487 EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync,
1488 EGLint flags, EGLTimeKHR timeout)
1492 const egl_display_ptr dp = validate_display(dpy);
1493 if (!dp) return EGL_FALSE;
1495 EGLBoolean result = EGL_FALSE;
1496 egl_connection_t* const cnx = &gEGLImpl;
1497 if (cnx->dso && cnx->egl.eglClientWaitSyncKHR) {
1498 result = cnx->egl.eglClientWaitSyncKHR(
1499 dp->disp.dpy, sync, flags, timeout);
1504 EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync,
1505 EGLint attribute, EGLint *value)
1509 const egl_display_ptr dp = validate_display(dpy);
1510 if (!dp) return EGL_FALSE;
1512 EGLBoolean result = EGL_FALSE;
1513 egl_connection_t* const cnx = &gEGLImpl;
1514 if (cnx->dso && cnx->egl.eglGetSyncAttribKHR) {
1515 result = cnx->egl.eglGetSyncAttribKHR(
1516 dp->disp.dpy, sync, attribute, value);
1521 // ----------------------------------------------------------------------------
1522 // EGL_EGLEXT_VERSION 15
1523 // ----------------------------------------------------------------------------
1525 EGLint eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags) {
1527 const egl_display_ptr dp = validate_display(dpy);
1528 if (!dp) return EGL_FALSE;
1529 EGLint result = EGL_FALSE;
1530 egl_connection_t* const cnx = &gEGLImpl;
1531 if (cnx->dso && cnx->egl.eglWaitSyncKHR) {
1532 result = cnx->egl.eglWaitSyncKHR(dp->disp.dpy, sync, flags);
1537 // ----------------------------------------------------------------------------
1538 // ANDROID extensions
1539 // ----------------------------------------------------------------------------
1541 EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync)
1545 const egl_display_ptr dp = validate_display(dpy);
1546 if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID;
1548 EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID;
1549 egl_connection_t* const cnx = &gEGLImpl;
1550 if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) {
1551 result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync);
1556 EGLBoolean eglPresentationTimeANDROID(EGLDisplay dpy, EGLSurface surface,
1557 EGLnsecsANDROID time)
1561 const egl_display_ptr dp = validate_display(dpy);
1566 SurfaceRef _s(dp.get(), surface);
1568 setError(EGL_BAD_SURFACE, EGL_FALSE);
1572 egl_surface_t const * const s = get_surface(surface);
1573 native_window_set_buffers_timestamp(s->win.get(), time);
1578 // ----------------------------------------------------------------------------
1579 // NVIDIA extensions
1580 // ----------------------------------------------------------------------------
1581 EGLuint64NV eglGetSystemTimeFrequencyNV()
1585 if (egl_init_drivers() == EGL_FALSE) {
1586 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1589 EGLuint64NV ret = 0;
1590 egl_connection_t* const cnx = &gEGLImpl;
1592 if (cnx->dso && cnx->egl.eglGetSystemTimeFrequencyNV) {
1593 return cnx->egl.eglGetSystemTimeFrequencyNV();
1596 return setErrorQuiet(EGL_BAD_DISPLAY, 0);
1599 EGLuint64NV eglGetSystemTimeNV()
1603 if (egl_init_drivers() == EGL_FALSE) {
1604 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1607 EGLuint64NV ret = 0;
1608 egl_connection_t* const cnx = &gEGLImpl;
1610 if (cnx->dso && cnx->egl.eglGetSystemTimeNV) {
1611 return cnx->egl.eglGetSystemTimeNV();
1614 return setErrorQuiet(EGL_BAD_DISPLAY, 0);
1617 // ----------------------------------------------------------------------------
1618 // Partial update extension
1619 // ----------------------------------------------------------------------------
1620 EGLBoolean eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
1621 EGLint *rects, EGLint n_rects)
1625 const egl_display_ptr dp = validate_display(dpy);
1627 setError(EGL_BAD_DISPLAY, EGL_FALSE);
1631 SurfaceRef _s(dp.get(), surface);
1633 setError(EGL_BAD_SURFACE, EGL_FALSE);
1637 egl_surface_t const * const s = get_surface(surface);
1638 if (s->cnx->egl.eglSetDamageRegionKHR) {
1639 return s->cnx->egl.eglSetDamageRegionKHR(dp->disp.dpy, s->surface,