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
108 // extensions not exposed to applications but used by the ANDROID system
109 // "EGL_ANDROID_blob_cache " // strongly recommended
110 // "EGL_IMG_hibernate_process " // optional
111 // "EGL_ANDROID_native_fence_sync " // strongly recommended
112 // "EGL_ANDROID_framebuffer_target " // mandatory for HWC 1.1
113 // "EGL_ANDROID_image_crop " // optional
116 * EGL Extensions entry-points exposed to 3rd party applications
117 * (keep in sync with gExtensionString above)
120 static const extention_map_t sExtensionMap[] = {
121 // EGL_KHR_lock_surface
122 { "eglLockSurfaceKHR",
123 (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR },
124 { "eglUnlockSurfaceKHR",
125 (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR },
127 // EGL_KHR_image, EGL_KHR_image_base
128 { "eglCreateImageKHR",
129 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR },
130 { "eglDestroyImageKHR",
131 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
133 // EGL_KHR_reusable_sync, EGL_KHR_fence_sync
134 { "eglCreateSyncKHR",
135 (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR },
136 { "eglDestroySyncKHR",
137 (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR },
138 { "eglClientWaitSyncKHR",
139 (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR },
140 { "eglSignalSyncKHR",
141 (__eglMustCastToProperFunctionPointerType)&eglSignalSyncKHR },
142 { "eglGetSyncAttribKHR",
143 (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR },
145 // EGL_NV_system_time
146 { "eglGetSystemTimeFrequencyNV",
147 (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
148 { "eglGetSystemTimeNV",
149 (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
153 (__eglMustCastToProperFunctionPointerType)&eglWaitSyncKHR },
155 // EGL_ANDROID_presentation_time
156 { "eglPresentationTimeANDROID",
157 (__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
159 // EGL_KHR_swap_buffers_with_damage
160 { "eglSwapBuffersWithDamageKHR",
161 (__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
163 // EGL_KHR_partial_update
164 { "eglSetDamageRegionKHR",
165 (__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
169 * These extensions entry-points should not be exposed to applications.
170 * They're used internally by the Android EGL layer.
172 #define FILTER_EXTENSIONS(procname) \
173 (!strcmp((procname), "eglSetBlobCacheFuncsANDROID") || \
174 !strcmp((procname), "eglHibernateProcessIMG") || \
175 !strcmp((procname), "eglAwakenProcessIMG") || \
176 !strcmp((procname), "eglDupNativeFenceFDANDROID"))
180 // accesses protected by sExtensionMapMutex
181 static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
182 static int sGLExtentionSlot = 0;
183 static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER;
185 static void(*findProcAddress(const char* name,
186 const extention_map_t* map, size_t n))() {
187 for (uint32_t i=0 ; i<n ; i++) {
188 if (!strcmp(name, map[i].name)) {
189 return map[i].address;
195 // ----------------------------------------------------------------------------
197 extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
198 extern EGLBoolean egl_init_drivers();
199 extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS];
200 extern int getEGLDebugLevel();
201 extern void setEGLDebugLevel(int level);
202 extern gl_hooks_t gHooksTrace;
204 } // namespace android;
207 // ----------------------------------------------------------------------------
209 static inline void clearError() { egl_tls_t::clearError(); }
210 static inline EGLContext getContext() { return egl_tls_t::getContext(); }
212 // ----------------------------------------------------------------------------
214 EGLDisplay eglGetDisplay(EGLNativeDisplayType display)
218 uintptr_t index = reinterpret_cast<uintptr_t>(display);
219 if (index >= NUM_DISPLAYS) {
220 return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
223 if (egl_init_drivers() == EGL_FALSE) {
224 return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
227 EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display);
231 // ----------------------------------------------------------------------------
233 // ----------------------------------------------------------------------------
235 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
239 egl_display_ptr dp = get_display(dpy);
240 if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
242 EGLBoolean res = dp->initialize(major, minor);
247 EGLBoolean eglTerminate(EGLDisplay dpy)
249 // NOTE: don't unload the drivers b/c some APIs can be called
250 // after eglTerminate() has been called. eglTerminate() only
251 // terminates an EGLDisplay, not a EGL itself.
255 egl_display_ptr dp = get_display(dpy);
256 if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
258 EGLBoolean res = dp->terminate();
263 // ----------------------------------------------------------------------------
265 // ----------------------------------------------------------------------------
267 EGLBoolean eglGetConfigs( EGLDisplay dpy,
269 EGLint config_size, EGLint *num_config)
273 const egl_display_ptr dp = validate_display(dpy);
274 if (!dp) return EGL_FALSE;
277 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
280 EGLBoolean res = EGL_FALSE;
283 egl_connection_t* const cnx = &gEGLImpl;
285 res = cnx->egl.eglGetConfigs(
286 dp->disp.dpy, configs, config_size, num_config);
292 EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
293 EGLConfig *configs, EGLint config_size,
298 const egl_display_ptr dp = validate_display(dpy);
299 if (!dp) return EGL_FALSE;
302 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
305 EGLBoolean res = EGL_FALSE;
308 egl_connection_t* const cnx = &gEGLImpl;
311 char value[PROPERTY_VALUE_MAX];
312 property_get("debug.egl.force_msaa", value, "false");
314 if (!strcmp(value, "true")) {
315 size_t attribCount = 0;
316 EGLint attrib = attrib_list[0];
318 // Only enable MSAA if the context is OpenGL ES 2.0 and
319 // if no caveat is requested
320 const EGLint *attribRendererable = NULL;
321 const EGLint *attribCaveat = NULL;
323 // Count the number of attributes and look for
324 // EGL_RENDERABLE_TYPE and EGL_CONFIG_CAVEAT
325 while (attrib != EGL_NONE) {
326 attrib = attrib_list[attribCount];
328 case EGL_RENDERABLE_TYPE:
329 attribRendererable = &attrib_list[attribCount];
331 case EGL_CONFIG_CAVEAT:
332 attribCaveat = &attrib_list[attribCount];
338 if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT &&
339 (!attribCaveat || attribCaveat[1] != EGL_NONE)) {
341 // Insert 2 extra attributes to force-enable MSAA 4x
342 EGLint aaAttribs[attribCount + 4];
343 aaAttribs[0] = EGL_SAMPLE_BUFFERS;
345 aaAttribs[2] = EGL_SAMPLES;
348 memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint));
351 EGLBoolean resAA = cnx->egl.eglChooseConfig(
352 dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA);
354 if (resAA == EGL_TRUE && numConfigAA > 0) {
355 ALOGD("Enabling MSAA 4x");
356 *num_config = numConfigAA;
363 res = cnx->egl.eglChooseConfig(
364 dp->disp.dpy, attrib_list, configs, config_size, num_config);
369 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
370 EGLint attribute, EGLint *value)
374 egl_connection_t* cnx = NULL;
375 const egl_display_ptr dp = validate_display_connection(dpy, cnx);
376 if (!dp) return EGL_FALSE;
378 return cnx->egl.eglGetConfigAttrib(
379 dp->disp.dpy, config, attribute, value);
382 // ----------------------------------------------------------------------------
384 // ----------------------------------------------------------------------------
386 // The EGL_KHR_gl_colorspace spec hasn't been ratified yet, so these haven't
387 // been added to the Khronos egl.h.
388 #define EGL_GL_COLORSPACE_KHR EGL_VG_COLORSPACE
389 #define EGL_GL_COLORSPACE_SRGB_KHR EGL_VG_COLORSPACE_sRGB
390 #define EGL_GL_COLORSPACE_LINEAR_KHR EGL_VG_COLORSPACE_LINEAR
392 // Turn linear formats into corresponding sRGB formats when colorspace is
393 // EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
394 // formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
395 // the modification isn't possible, the original dataSpace is returned.
396 static android_dataspace modifyBufferDataspace( android_dataspace dataSpace,
398 if (colorspace == EGL_GL_COLORSPACE_LINEAR_KHR) {
399 return HAL_DATASPACE_SRGB_LINEAR;
400 } else if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR) {
401 return HAL_DATASPACE_SRGB;
406 EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
407 NativeWindowType window,
408 const EGLint *attrib_list)
412 egl_connection_t* cnx = NULL;
413 egl_display_ptr dp = validate_display_connection(dpy, cnx);
415 EGLDisplay iDpy = dp->disp.dpy;
417 int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
419 ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
420 "failed (%#x) (already connected to another API?)",
422 return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
425 // Set the native window's buffers format to match what this config requests.
426 // Whether to use sRGB gamma is not part of the EGLconfig, but is part
427 // of our native format. So if sRGB gamma is requested, we have to
428 // modify the EGLconfig's format before setting the native window's
431 // by default, just pick RGBA_8888
432 EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
433 android_dataspace dataSpace = HAL_DATASPACE_UNKNOWN;
436 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
438 // alpha-channel requested, there's really only one suitable format
439 format = HAL_PIXEL_FORMAT_RGBA_8888;
443 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_RED_SIZE, &r);
444 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_GREEN_SIZE, &g);
445 cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_BLUE_SIZE, &b);
446 EGLint colorDepth = r + g + b;
447 if (colorDepth <= 16) {
448 format = HAL_PIXEL_FORMAT_RGB_565;
450 format = HAL_PIXEL_FORMAT_RGBX_8888;
454 // now select a corresponding sRGB format if needed
455 if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
456 for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
457 if (*attr == EGL_GL_COLORSPACE_KHR) {
458 if (ENABLE_EGL_KHR_GL_COLORSPACE) {
459 dataSpace = modifyBufferDataspace(dataSpace, *(attr+1));
461 // Normally we'd pass through unhandled attributes to
462 // the driver. But in case the driver implements this
463 // extension but we're disabling it, we want to prevent
464 // it getting through -- support will be broken without
466 ALOGE("sRGB window surfaces not supported");
467 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
474 int err = native_window_set_buffers_format(window, format);
476 ALOGE("error setting native window pixel format: %s (%d)",
477 strerror(-err), err);
478 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
479 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
483 if (dataSpace != 0) {
484 int err = native_window_set_buffers_data_space(window, dataSpace);
486 ALOGE("error setting native window pixel dataSpace: %s (%d)",
487 strerror(-err), err);
488 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
489 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
493 // the EGL spec requires that a new EGLSurface default to swap interval
494 // 1, so explicitly set that on the window here.
495 ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window);
496 anw->setSwapInterval(anw, 1);
498 EGLSurface surface = cnx->egl.eglCreateWindowSurface(
499 iDpy, config, window, attrib_list);
500 if (surface != EGL_NO_SURFACE) {
501 egl_surface_t* s = new egl_surface_t(dp.get(), config, window,
506 // EGLSurface creation failed
507 native_window_set_buffers_format(window, 0);
508 native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
510 return EGL_NO_SURFACE;
513 EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
514 NativePixmapType pixmap,
515 const EGLint *attrib_list)
519 egl_connection_t* cnx = NULL;
520 egl_display_ptr dp = validate_display_connection(dpy, cnx);
522 EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
523 dp->disp.dpy, config, pixmap, attrib_list);
524 if (surface != EGL_NO_SURFACE) {
525 egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
530 return EGL_NO_SURFACE;
533 EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
534 const EGLint *attrib_list)
538 egl_connection_t* cnx = NULL;
539 egl_display_ptr dp = validate_display_connection(dpy, cnx);
541 EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
542 dp->disp.dpy, config, attrib_list);
543 if (surface != EGL_NO_SURFACE) {
544 egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
549 return EGL_NO_SURFACE;
552 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
556 const egl_display_ptr dp = validate_display(dpy);
557 if (!dp) return EGL_FALSE;
559 SurfaceRef _s(dp.get(), surface);
561 return setError(EGL_BAD_SURFACE, EGL_FALSE);
563 egl_surface_t * const s = get_surface(surface);
564 EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
565 if (result == EGL_TRUE) {
571 EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
572 EGLint attribute, EGLint *value)
576 const egl_display_ptr dp = validate_display(dpy);
577 if (!dp) return EGL_FALSE;
579 SurfaceRef _s(dp.get(), surface);
581 return setError(EGL_BAD_SURFACE, EGL_FALSE);
583 egl_surface_t const * const s = get_surface(surface);
584 return s->cnx->egl.eglQuerySurface(
585 dp->disp.dpy, s->surface, attribute, value);
588 void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) {
592 const egl_display_ptr dp = validate_display(dpy);
597 SurfaceRef _s(dp.get(), surface);
599 setError(EGL_BAD_SURFACE, EGL_FALSE);
604 // ----------------------------------------------------------------------------
606 // ----------------------------------------------------------------------------
608 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
609 EGLContext share_list, const EGLint *attrib_list)
613 egl_connection_t* cnx = NULL;
614 const egl_display_ptr dp = validate_display_connection(dpy, cnx);
616 if (share_list != EGL_NO_CONTEXT) {
617 if (!ContextRef(dp.get(), share_list).get()) {
618 return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
620 egl_context_t* const c = get_context(share_list);
621 share_list = c->context;
623 EGLContext context = cnx->egl.eglCreateContext(
624 dp->disp.dpy, config, share_list, attrib_list);
625 if (context != EGL_NO_CONTEXT) {
626 // figure out if it's a GLESv1 or GLESv2
629 while (*attrib_list != EGL_NONE) {
630 GLint attr = *attrib_list++;
631 GLint value = *attrib_list++;
632 if (attr == EGL_CONTEXT_CLIENT_VERSION) {
634 version = egl_connection_t::GLESv1_INDEX;
635 } else if (value == 2 || value == 3) {
636 version = egl_connection_t::GLESv2_INDEX;
641 egl_context_t* c = new egl_context_t(dpy, context, config, cnx,
644 if (getEGLDebugLevel() > 0)
645 GLTrace_eglCreateContext(version, c);
650 return EGL_NO_CONTEXT;
653 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
657 const egl_display_ptr dp = validate_display(dpy);
661 ContextRef _c(dp.get(), ctx);
663 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
665 egl_context_t * const c = get_context(ctx);
666 EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context);
667 if (result == EGL_TRUE) {
673 EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
674 EGLSurface read, EGLContext ctx)
678 egl_display_ptr dp = validate_display(dpy);
679 if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
681 // If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not
682 // EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is
683 // a valid but uninitialized display.
684 if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) ||
685 (draw != EGL_NO_SURFACE) ) {
686 if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
689 // get a reference to the object passed in
690 ContextRef _c(dp.get(), ctx);
691 SurfaceRef _d(dp.get(), draw);
692 SurfaceRef _r(dp.get(), read);
694 // validate the context (if not EGL_NO_CONTEXT)
695 if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
696 // EGL_NO_CONTEXT is valid
697 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
700 // these are the underlying implementation's object
701 EGLContext impl_ctx = EGL_NO_CONTEXT;
702 EGLSurface impl_draw = EGL_NO_SURFACE;
703 EGLSurface impl_read = EGL_NO_SURFACE;
705 // these are our objects structs passed in
706 egl_context_t * c = NULL;
707 egl_surface_t const * d = NULL;
708 egl_surface_t const * r = NULL;
710 // these are the current objects structs
711 egl_context_t * cur_c = get_context(getContext());
713 if (ctx != EGL_NO_CONTEXT) {
714 c = get_context(ctx);
715 impl_ctx = c->context;
717 // no context given, use the implementation of the current context
718 if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
719 // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
720 return setError(EGL_BAD_MATCH, EGL_FALSE);
723 // no current context
724 // not an error, there is just no current context.
729 // retrieve the underlying implementation's draw EGLSurface
730 if (draw != EGL_NO_SURFACE) {
731 if (!_d.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
732 d = get_surface(draw);
733 impl_draw = d->surface;
736 // retrieve the underlying implementation's read EGLSurface
737 if (read != EGL_NO_SURFACE) {
738 if (!_r.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
739 r = get_surface(read);
740 impl_read = r->surface;
744 EGLBoolean result = dp->makeCurrent(c, cur_c,
746 impl_draw, impl_read, impl_ctx);
748 if (result == EGL_TRUE) {
750 setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
751 egl_tls_t::setContext(ctx);
753 if (getEGLDebugLevel() > 0)
754 GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
760 setGLHooksThreadSpecific(&gHooksNoContext);
761 egl_tls_t::setContext(EGL_NO_CONTEXT);
764 // this will ALOGE the error
765 egl_connection_t* const cnx = &gEGLImpl;
766 result = setError(cnx->egl.eglGetError(), EGL_FALSE);
772 EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
773 EGLint attribute, EGLint *value)
777 const egl_display_ptr dp = validate_display(dpy);
778 if (!dp) return EGL_FALSE;
780 ContextRef _c(dp.get(), ctx);
781 if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
783 egl_context_t * const c = get_context(ctx);
784 return c->cnx->egl.eglQueryContext(
785 dp->disp.dpy, c->context, attribute, value);
789 EGLContext eglGetCurrentContext(void)
791 // could be called before eglInitialize(), but we wouldn't have a context
792 // then, and this function would correctly return EGL_NO_CONTEXT.
796 EGLContext ctx = getContext();
800 EGLSurface eglGetCurrentSurface(EGLint readdraw)
802 // could be called before eglInitialize(), but we wouldn't have a context
803 // then, and this function would correctly return EGL_NO_SURFACE.
807 EGLContext ctx = getContext();
809 egl_context_t const * const c = get_context(ctx);
810 if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
812 case EGL_READ: return c->read;
813 case EGL_DRAW: return c->draw;
814 default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
817 return EGL_NO_SURFACE;
820 EGLDisplay eglGetCurrentDisplay(void)
822 // could be called before eglInitialize(), but we wouldn't have a context
823 // then, and this function would correctly return EGL_NO_DISPLAY.
827 EGLContext ctx = getContext();
829 egl_context_t const * const c = get_context(ctx);
830 if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
833 return EGL_NO_DISPLAY;
836 EGLBoolean eglWaitGL(void)
840 egl_connection_t* const cnx = &gEGLImpl;
842 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
844 return cnx->egl.eglWaitGL();
847 EGLBoolean eglWaitNative(EGLint engine)
851 egl_connection_t* const cnx = &gEGLImpl;
853 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
855 return cnx->egl.eglWaitNative(engine);
858 EGLint eglGetError(void)
860 EGLint err = EGL_SUCCESS;
861 egl_connection_t* const cnx = &gEGLImpl;
863 err = cnx->egl.eglGetError();
865 if (err == EGL_SUCCESS) {
866 err = egl_tls_t::getError();
871 static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
872 const char* procname) {
873 const egl_connection_t* cnx = &gEGLImpl;
876 proc = dlsym(cnx->libEgl, procname);
877 if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
879 proc = dlsym(cnx->libGles2, procname);
880 if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
882 proc = dlsym(cnx->libGles1, procname);
883 if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
888 __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
890 // eglGetProcAddress() could be the very first function called
891 // in which case we must make sure we've initialized ourselves, this
892 // happens the first time egl_get_display() is called.
896 if (egl_init_drivers() == EGL_FALSE) {
897 setError(EGL_BAD_PARAMETER, NULL);
901 if (FILTER_EXTENSIONS(procname)) {
905 __eglMustCastToProperFunctionPointerType addr;
906 addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
907 if (addr) return addr;
909 addr = findBuiltinWrapper(procname);
910 if (addr) return addr;
912 // this protects accesses to sGLExtentionMap and sGLExtentionSlot
913 pthread_mutex_lock(&sExtensionMapMutex);
916 * Since eglGetProcAddress() is not associated to anything, it needs
917 * to return a function pointer that "works" regardless of what
918 * the current context is.
920 * For this reason, we return a "forwarder", a small stub that takes
921 * care of calling the function associated with the context
924 * We first look for extensions we've already resolved, if we're seeing
925 * this extension for the first time, we go through all our
926 * implementations and call eglGetProcAddress() and record the
927 * result in the appropriate implementation hooks and return the
928 * address of the forwarder corresponding to that hook set.
932 const String8 name(procname);
933 addr = sGLExtentionMap.valueFor(name);
934 const int slot = sGLExtentionSlot;
936 ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS,
937 "no more slots for eglGetProcAddress(\"%s\")",
941 gl_hooks_t *debugHooks = GLTrace_getGLHooks();
944 if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) {
947 egl_connection_t* const cnx = &gEGLImpl;
948 if (cnx->dso && cnx->egl.eglGetProcAddress) {
949 // Extensions are independent of the bound context
951 cnx->hooks[egl_connection_t::GLESv1_INDEX]->ext.extensions[slot] =
952 cnx->hooks[egl_connection_t::GLESv2_INDEX]->ext.extensions[slot] =
954 debugHooks->ext.extensions[slot] =
955 gHooksTrace.ext.extensions[slot] =
957 cnx->egl.eglGetProcAddress(procname);
958 if (addr) found = true;
962 addr = gExtensionForwarders[slot];
963 sGLExtentionMap.add(name, addr);
968 pthread_mutex_unlock(&sExtensionMapMutex);
972 class FrameCompletionThread : public Thread {
975 static void queueSync(EGLSyncKHR sync) {
976 static sp<FrameCompletionThread> thread(new FrameCompletionThread);
977 static bool running = false;
979 thread->run("GPUFrameCompletion");
983 Mutex::Autolock lock(thread->mMutex);
984 ScopedTrace st(ATRACE_TAG, String8::format("kicked off frame %d",
985 thread->mFramesQueued).string());
986 thread->mQueue.push_back(sync);
987 thread->mCondition.signal();
988 thread->mFramesQueued++;
989 ATRACE_INT("GPU Frames Outstanding", thread->mQueue.size());
994 FrameCompletionThread() : mFramesQueued(0), mFramesCompleted(0) {}
996 virtual bool threadLoop() {
1000 Mutex::Autolock lock(mMutex);
1001 while (mQueue.isEmpty()) {
1002 mCondition.wait(mMutex);
1005 frameNum = mFramesCompleted;
1007 EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
1009 ScopedTrace st(ATRACE_TAG, String8::format("waiting for frame %d",
1010 frameNum).string());
1011 EGLint result = eglClientWaitSyncKHR(dpy, sync, 0, EGL_FOREVER_KHR);
1012 if (result == EGL_FALSE) {
1013 ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError());
1014 } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
1015 ALOGE("FrameCompletion: timeout waiting for fence");
1017 eglDestroySyncKHR(dpy, sync);
1020 Mutex::Autolock lock(mMutex);
1023 ATRACE_INT("GPU Frames Outstanding", mQueue.size());
1028 uint32_t mFramesQueued;
1029 uint32_t mFramesCompleted;
1030 Vector<EGLSyncKHR> mQueue;
1031 Condition mCondition;
1035 EGLBoolean eglSwapBuffersWithDamageKHR(EGLDisplay dpy, EGLSurface draw,
1036 EGLint *rects, EGLint n_rects)
1041 const egl_display_ptr dp = validate_display(dpy);
1042 if (!dp) return EGL_FALSE;
1044 SurfaceRef _s(dp.get(), draw);
1046 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1049 gl_hooks_t const *trace_hooks = getGLTraceThreadSpecific();
1050 if (getEGLDebugLevel() > 0) {
1051 if (trace_hooks == NULL) {
1052 if (GLTrace_start() < 0) {
1053 ALOGE("Disabling Tracer for OpenGL ES");
1054 setEGLDebugLevel(0);
1056 // switch over to the trace version of hooks
1057 EGLContext ctx = egl_tls_t::getContext();
1058 egl_context_t * const c = get_context(ctx);
1060 setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
1061 GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
1066 GLTrace_eglSwapBuffers(dpy, draw);
1067 } else if (trace_hooks != NULL) {
1068 // tracing is now disabled, so switch back to the non trace version
1069 EGLContext ctx = egl_tls_t::getContext();
1070 egl_context_t * const c = get_context(ctx);
1071 if (c) setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
1076 egl_surface_t const * const s = get_surface(draw);
1078 if (CC_UNLIKELY(dp->traceGpuCompletion)) {
1079 EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
1080 if (sync != EGL_NO_SYNC_KHR) {
1081 FrameCompletionThread::queueSync(sync);
1085 if (CC_UNLIKELY(dp->finishOnSwap)) {
1087 egl_context_t * const c = get_context( egl_tls_t::getContext() );
1089 // glReadPixels() ensures that the frame is complete
1090 s->cnx->hooks[c->version]->gl.glReadPixels(0,0,1,1,
1091 GL_RGBA,GL_UNSIGNED_BYTE,&pixel);
1096 return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1099 Vector<android_native_rect_t> androidRects;
1100 for (int r = 0; r < n_rects; ++r) {
1102 int x = rects[offset];
1103 int y = rects[offset + 1];
1104 int width = rects[offset + 2];
1105 int height = rects[offset + 3];
1106 android_native_rect_t androidRect;
1107 androidRect.left = x;
1108 androidRect.top = y + height;
1109 androidRect.right = x + width;
1110 androidRect.bottom = y;
1111 androidRects.push_back(androidRect);
1113 native_window_set_surface_damage(s->win.get(), androidRects.array(),
1114 androidRects.size());
1116 if (s->cnx->egl.eglSwapBuffersWithDamageKHR) {
1117 return s->cnx->egl.eglSwapBuffersWithDamageKHR(dp->disp.dpy, s->surface,
1120 return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
1124 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
1126 return eglSwapBuffersWithDamageKHR(dpy, surface, NULL, 0);
1129 EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
1130 NativePixmapType target)
1134 const egl_display_ptr dp = validate_display(dpy);
1135 if (!dp) return EGL_FALSE;
1137 SurfaceRef _s(dp.get(), surface);
1139 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1141 egl_surface_t const * const s = get_surface(surface);
1142 return s->cnx->egl.eglCopyBuffers(dp->disp.dpy, s->surface, target);
1145 const char* eglQueryString(EGLDisplay dpy, EGLint name)
1149 const egl_display_ptr dp = validate_display(dpy);
1150 if (!dp) return (const char *) NULL;
1154 return dp->getVendorString();
1156 return dp->getVersionString();
1157 case EGL_EXTENSIONS:
1158 return dp->getExtensionString();
1159 case EGL_CLIENT_APIS:
1160 return dp->getClientApiString();
1162 return setError(EGL_BAD_PARAMETER, (const char *)0);
1165 EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name)
1169 const egl_display_ptr dp = validate_display(dpy);
1170 if (!dp) return (const char *) NULL;
1174 return dp->disp.queryString.vendor;
1176 return dp->disp.queryString.version;
1177 case EGL_EXTENSIONS:
1178 return dp->disp.queryString.extensions;
1179 case EGL_CLIENT_APIS:
1180 return dp->disp.queryString.clientApi;
1182 return setError(EGL_BAD_PARAMETER, (const char *)0);
1185 // ----------------------------------------------------------------------------
1187 // ----------------------------------------------------------------------------
1189 EGLBoolean eglSurfaceAttrib(
1190 EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
1194 const egl_display_ptr dp = validate_display(dpy);
1195 if (!dp) return EGL_FALSE;
1197 SurfaceRef _s(dp.get(), surface);
1199 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1201 egl_surface_t const * const s = get_surface(surface);
1202 if (s->cnx->egl.eglSurfaceAttrib) {
1203 return s->cnx->egl.eglSurfaceAttrib(
1204 dp->disp.dpy, s->surface, attribute, value);
1206 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1209 EGLBoolean eglBindTexImage(
1210 EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1214 const egl_display_ptr dp = validate_display(dpy);
1215 if (!dp) return EGL_FALSE;
1217 SurfaceRef _s(dp.get(), surface);
1219 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1221 egl_surface_t const * const s = get_surface(surface);
1222 if (s->cnx->egl.eglBindTexImage) {
1223 return s->cnx->egl.eglBindTexImage(
1224 dp->disp.dpy, s->surface, buffer);
1226 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1229 EGLBoolean eglReleaseTexImage(
1230 EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1234 const egl_display_ptr dp = validate_display(dpy);
1235 if (!dp) return EGL_FALSE;
1237 SurfaceRef _s(dp.get(), surface);
1239 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1241 egl_surface_t const * const s = get_surface(surface);
1242 if (s->cnx->egl.eglReleaseTexImage) {
1243 return s->cnx->egl.eglReleaseTexImage(
1244 dp->disp.dpy, s->surface, buffer);
1246 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1249 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
1253 const egl_display_ptr dp = validate_display(dpy);
1254 if (!dp) return EGL_FALSE;
1256 EGLBoolean res = EGL_TRUE;
1257 egl_connection_t* const cnx = &gEGLImpl;
1258 if (cnx->dso && cnx->egl.eglSwapInterval) {
1259 res = cnx->egl.eglSwapInterval(dp->disp.dpy, interval);
1266 // ----------------------------------------------------------------------------
1268 // ----------------------------------------------------------------------------
1270 EGLBoolean eglWaitClient(void)
1274 egl_connection_t* const cnx = &gEGLImpl;
1276 return setError(EGL_BAD_CONTEXT, EGL_FALSE);
1279 if (cnx->egl.eglWaitClient) {
1280 res = cnx->egl.eglWaitClient();
1282 res = cnx->egl.eglWaitGL();
1287 EGLBoolean eglBindAPI(EGLenum api)
1291 if (egl_init_drivers() == EGL_FALSE) {
1292 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1295 // bind this API on all EGLs
1296 EGLBoolean res = EGL_TRUE;
1297 egl_connection_t* const cnx = &gEGLImpl;
1298 if (cnx->dso && cnx->egl.eglBindAPI) {
1299 res = cnx->egl.eglBindAPI(api);
1304 EGLenum eglQueryAPI(void)
1308 if (egl_init_drivers() == EGL_FALSE) {
1309 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1312 egl_connection_t* const cnx = &gEGLImpl;
1313 if (cnx->dso && cnx->egl.eglQueryAPI) {
1314 return cnx->egl.eglQueryAPI();
1317 // or, it can only be OpenGL ES
1318 return EGL_OPENGL_ES_API;
1321 EGLBoolean eglReleaseThread(void)
1326 if (getEGLDebugLevel() > 0)
1327 GLTrace_eglReleaseThread();
1330 // If there is context bound to the thread, release it
1331 egl_display_t::loseCurrent(get_context(getContext()));
1333 egl_connection_t* const cnx = &gEGLImpl;
1334 if (cnx->dso && cnx->egl.eglReleaseThread) {
1335 cnx->egl.eglReleaseThread();
1337 egl_tls_t::clearTLS();
1341 EGLSurface eglCreatePbufferFromClientBuffer(
1342 EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
1343 EGLConfig config, const EGLint *attrib_list)
1347 egl_connection_t* cnx = NULL;
1348 const egl_display_ptr dp = validate_display_connection(dpy, cnx);
1349 if (!dp) return EGL_FALSE;
1350 if (cnx->egl.eglCreatePbufferFromClientBuffer) {
1351 return cnx->egl.eglCreatePbufferFromClientBuffer(
1352 dp->disp.dpy, buftype, buffer, config, attrib_list);
1354 return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
1357 // ----------------------------------------------------------------------------
1358 // EGL_EGLEXT_VERSION 3
1359 // ----------------------------------------------------------------------------
1361 EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface,
1362 const EGLint *attrib_list)
1366 const egl_display_ptr dp = validate_display(dpy);
1367 if (!dp) return EGL_FALSE;
1369 SurfaceRef _s(dp.get(), surface);
1371 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1373 egl_surface_t const * const s = get_surface(surface);
1374 if (s->cnx->egl.eglLockSurfaceKHR) {
1375 return s->cnx->egl.eglLockSurfaceKHR(
1376 dp->disp.dpy, s->surface, attrib_list);
1378 return setError(EGL_BAD_DISPLAY, EGL_FALSE);
1381 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface)
1385 const egl_display_ptr dp = validate_display(dpy);
1386 if (!dp) return EGL_FALSE;
1388 SurfaceRef _s(dp.get(), surface);
1390 return setError(EGL_BAD_SURFACE, EGL_FALSE);
1392 egl_surface_t const * const s = get_surface(surface);
1393 if (s->cnx->egl.eglUnlockSurfaceKHR) {
1394 return s->cnx->egl.eglUnlockSurfaceKHR(dp->disp.dpy, s->surface);
1396 return setError(EGL_BAD_DISPLAY, EGL_FALSE);
1399 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
1400 EGLClientBuffer buffer, const EGLint *attrib_list)
1404 const egl_display_ptr dp = validate_display(dpy);
1405 if (!dp) return EGL_NO_IMAGE_KHR;
1407 ContextRef _c(dp.get(), ctx);
1408 egl_context_t * const c = _c.get();
1410 EGLImageKHR result = EGL_NO_IMAGE_KHR;
1411 egl_connection_t* const cnx = &gEGLImpl;
1412 if (cnx->dso && cnx->egl.eglCreateImageKHR) {
1413 result = cnx->egl.eglCreateImageKHR(
1415 c ? c->context : EGL_NO_CONTEXT,
1416 target, buffer, attrib_list);
1421 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
1425 const egl_display_ptr dp = validate_display(dpy);
1426 if (!dp) return EGL_FALSE;
1428 EGLBoolean result = EGL_FALSE;
1429 egl_connection_t* const cnx = &gEGLImpl;
1430 if (cnx->dso && cnx->egl.eglDestroyImageKHR) {
1431 result = cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
1436 // ----------------------------------------------------------------------------
1437 // EGL_EGLEXT_VERSION 5
1438 // ----------------------------------------------------------------------------
1441 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
1445 const egl_display_ptr dp = validate_display(dpy);
1446 if (!dp) return EGL_NO_SYNC_KHR;
1448 EGLSyncKHR result = EGL_NO_SYNC_KHR;
1449 egl_connection_t* const cnx = &gEGLImpl;
1450 if (cnx->dso && cnx->egl.eglCreateSyncKHR) {
1451 result = cnx->egl.eglCreateSyncKHR(dp->disp.dpy, type, attrib_list);
1456 EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
1460 const egl_display_ptr dp = validate_display(dpy);
1461 if (!dp) return EGL_FALSE;
1463 EGLBoolean result = EGL_FALSE;
1464 egl_connection_t* const cnx = &gEGLImpl;
1465 if (cnx->dso && cnx->egl.eglDestroySyncKHR) {
1466 result = cnx->egl.eglDestroySyncKHR(dp->disp.dpy, sync);
1471 EGLBoolean eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode) {
1474 const egl_display_ptr dp = validate_display(dpy);
1475 if (!dp) return EGL_FALSE;
1477 EGLBoolean result = EGL_FALSE;
1478 egl_connection_t* const cnx = &gEGLImpl;
1479 if (cnx->dso && cnx->egl.eglSignalSyncKHR) {
1480 result = cnx->egl.eglSignalSyncKHR(
1481 dp->disp.dpy, sync, mode);
1486 EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync,
1487 EGLint flags, EGLTimeKHR timeout)
1491 const egl_display_ptr dp = validate_display(dpy);
1492 if (!dp) return EGL_FALSE;
1494 EGLBoolean result = EGL_FALSE;
1495 egl_connection_t* const cnx = &gEGLImpl;
1496 if (cnx->dso && cnx->egl.eglClientWaitSyncKHR) {
1497 result = cnx->egl.eglClientWaitSyncKHR(
1498 dp->disp.dpy, sync, flags, timeout);
1503 EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync,
1504 EGLint attribute, EGLint *value)
1508 const egl_display_ptr dp = validate_display(dpy);
1509 if (!dp) return EGL_FALSE;
1511 EGLBoolean result = EGL_FALSE;
1512 egl_connection_t* const cnx = &gEGLImpl;
1513 if (cnx->dso && cnx->egl.eglGetSyncAttribKHR) {
1514 result = cnx->egl.eglGetSyncAttribKHR(
1515 dp->disp.dpy, sync, attribute, value);
1520 // ----------------------------------------------------------------------------
1521 // EGL_EGLEXT_VERSION 15
1522 // ----------------------------------------------------------------------------
1524 EGLint eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags) {
1526 const egl_display_ptr dp = validate_display(dpy);
1527 if (!dp) return EGL_FALSE;
1528 EGLint result = EGL_FALSE;
1529 egl_connection_t* const cnx = &gEGLImpl;
1530 if (cnx->dso && cnx->egl.eglWaitSyncKHR) {
1531 result = cnx->egl.eglWaitSyncKHR(dp->disp.dpy, sync, flags);
1536 // ----------------------------------------------------------------------------
1537 // ANDROID extensions
1538 // ----------------------------------------------------------------------------
1540 EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync)
1544 const egl_display_ptr dp = validate_display(dpy);
1545 if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID;
1547 EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID;
1548 egl_connection_t* const cnx = &gEGLImpl;
1549 if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) {
1550 result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync);
1555 EGLBoolean eglPresentationTimeANDROID(EGLDisplay dpy, EGLSurface surface,
1556 EGLnsecsANDROID time)
1560 const egl_display_ptr dp = validate_display(dpy);
1565 SurfaceRef _s(dp.get(), surface);
1567 setError(EGL_BAD_SURFACE, EGL_FALSE);
1571 egl_surface_t const * const s = get_surface(surface);
1572 native_window_set_buffers_timestamp(s->win.get(), time);
1577 // ----------------------------------------------------------------------------
1578 // NVIDIA extensions
1579 // ----------------------------------------------------------------------------
1580 EGLuint64NV eglGetSystemTimeFrequencyNV()
1584 if (egl_init_drivers() == EGL_FALSE) {
1585 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1588 EGLuint64NV ret = 0;
1589 egl_connection_t* const cnx = &gEGLImpl;
1591 if (cnx->dso && cnx->egl.eglGetSystemTimeFrequencyNV) {
1592 return cnx->egl.eglGetSystemTimeFrequencyNV();
1595 return setErrorQuiet(EGL_BAD_DISPLAY, 0);
1598 EGLuint64NV eglGetSystemTimeNV()
1602 if (egl_init_drivers() == EGL_FALSE) {
1603 return setError(EGL_BAD_PARAMETER, EGL_FALSE);
1606 EGLuint64NV ret = 0;
1607 egl_connection_t* const cnx = &gEGLImpl;
1609 if (cnx->dso && cnx->egl.eglGetSystemTimeNV) {
1610 return cnx->egl.eglGetSystemTimeNV();
1613 return setErrorQuiet(EGL_BAD_DISPLAY, 0);
1616 // ----------------------------------------------------------------------------
1617 // Partial update extension
1618 // ----------------------------------------------------------------------------
1619 EGLBoolean eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
1620 EGLint *rects, EGLint n_rects)
1624 const egl_display_ptr dp = validate_display(dpy);
1626 setError(EGL_BAD_DISPLAY, EGL_FALSE);
1630 SurfaceRef _s(dp.get(), surface);
1632 setError(EGL_BAD_SURFACE, EGL_FALSE);
1636 egl_surface_t const * const s = get_surface(surface);
1637 if (s->cnx->egl.eglSetDamageRegionKHR) {
1638 return s->cnx->egl.eglSetDamageRegionKHR(dp->disp.dpy, s->surface,