2 * Copyright (C) 2011 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.
18 #include "HostConnection.h"
19 #include "ThreadInfo.h"
20 #include "eglDisplay.h"
22 #include "egl_ftable.h"
23 #include <cutils/log.h>
24 #include <cutils/properties.h>
25 #include "goldfish_sync.h"
26 #include "gralloc_cb.h"
27 #include "GLClientState.h"
28 #include "GLSharedGroup.h"
29 #include "eglContext.h"
30 #include "ClientAPIExts.h"
32 #include "ProcessPipe.h"
34 #include "GLEncoder.h"
36 #include "GL2Encoder.h"
39 #include <GLES3/gl31.h>
41 #if PLATFORM_SDK_VERSION >= 16
42 #include <system/window.h>
43 #else // PLATFORM_SDK_VERSION >= 16
44 #include <private/ui/android_natives_priv.h>
45 #endif // PLATFORM_SDK_VERSION >= 16
47 #if PLATFORM_SDK_VERSION <= 16
48 #define queueBuffer_DEPRECATED queueBuffer
49 #define dequeueBuffer_DEPRECATED dequeueBuffer
50 #define cancelBuffer_DEPRECATED cancelBuffer
51 #endif // PLATFORM_SDK_VERSION <= 16
56 #define DPRINT(fmt,...) ALOGD("%s: " fmt, __FUNCTION__, ##__VA_ARGS__);
62 static T setErrorFunc(GLint error, T returnValue) {
63 getEGLThreadInfo()->eglError = error;
67 const char * eglStrError(EGLint err)
70 case EGL_SUCCESS: return "EGL_SUCCESS";
71 case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
72 case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
73 case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
74 case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
75 case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
76 case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
77 case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
78 case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
79 case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
80 case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
81 case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
82 case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
83 case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
84 case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
85 default: return "UNKNOWN";
89 #define LOG_EGL_ERRORS 1
93 #define setErrorReturn(error, retVal) \
95 ALOGE("tid %d: %s(%d): error 0x%x (%s)", gettid(), __FUNCTION__, __LINE__, error, eglStrError(error)); \
96 return setErrorFunc(error, retVal); \
99 #define RETURN_ERROR(ret,err) \
100 ALOGE("tid %d: %s(%d): error 0x%x (%s)", gettid(), __FUNCTION__, __LINE__, err, eglStrError(err)); \
101 getEGLThreadInfo()->eglError = err; \
104 #else //!LOG_EGL_ERRORS
106 #define setErrorReturn(error, retVal) return setErrorFunc(error, retVal);
108 #define RETURN_ERROR(ret,err) \
109 getEGLThreadInfo()->eglError = err; \
112 #endif //LOG_EGL_ERRORS
114 #define VALIDATE_CONFIG(cfg,ret) \
115 if(((intptr_t)(cfg)<0)||((intptr_t)(cfg)>s_display.getNumConfigs())) { \
116 RETURN_ERROR(ret,EGL_BAD_CONFIG); \
119 #define VALIDATE_DISPLAY(dpy,ret) \
120 if ((dpy) != (EGLDisplay)&s_display) { \
121 RETURN_ERROR(ret, EGL_BAD_DISPLAY); \
124 #define VALIDATE_DISPLAY_INIT(dpy,ret) \
125 VALIDATE_DISPLAY(dpy, ret) \
126 if (!s_display.initialized()) { \
127 RETURN_ERROR(ret, EGL_NOT_INITIALIZED); \
130 #define DEFINE_HOST_CONNECTION \
131 HostConnection *hostCon = HostConnection::get(); \
132 ExtendedRCEncoderContext *rcEnc = (hostCon ? hostCon->rcEncoder() : NULL)
134 #define DEFINE_AND_VALIDATE_HOST_CONNECTION(ret) \
135 HostConnection *hostCon = HostConnection::get(); \
137 ALOGE("egl: Failed to get host connection\n"); \
140 ExtendedRCEncoderContext *rcEnc = hostCon->rcEncoder(); \
142 ALOGE("egl: Failed to get renderControl encoder context\n"); \
146 #define VALIDATE_CONTEXT_RETURN(context,ret) \
148 RETURN_ERROR(ret,EGL_BAD_CONTEXT); \
151 #define VALIDATE_SURFACE_RETURN(surface, ret) \
152 if ((surface) != EGL_NO_SURFACE) { \
153 egl_surface_t* s( static_cast<egl_surface_t*>(surface) ); \
154 if (s->dpy != (EGLDisplay)&s_display) \
155 setErrorReturn(EGL_BAD_DISPLAY, EGL_FALSE); \
158 // The one and only supported display object.
159 static eglDisplay s_display;
161 EGLContext_t::EGLContext_t(EGLDisplay dpy, EGLConfig config, EGLContext_t* shareCtx, int maj, int min) :
164 read(EGL_NO_SURFACE),
165 draw(EGL_NO_SURFACE),
172 rendererString(NULL),
173 shaderVersionString(NULL),
174 extensionString(NULL),
179 clientState = new GLClientState(majorVersion, minorVersion);
181 sharedGroup = shareCtx->getSharedGroup();
183 sharedGroup = GLSharedGroupPtr(new GLSharedGroup());
184 assert(dpy == (EGLDisplay)&s_display);
185 s_display.onCreateContext((EGLContext)this);
188 int EGLContext_t::getGoldfishSyncFd() {
189 if (goldfishSyncFd < 0) {
190 goldfishSyncFd = goldfish_sync_open();
192 return goldfishSyncFd;
195 EGLContext_t::~EGLContext_t()
197 if (goldfishSyncFd > 0) {
198 goldfish_sync_close(goldfishSyncFd);
201 assert(dpy == (EGLDisplay)&s_display);
202 s_display.onDestroyContext((EGLContext)this);
204 delete [] versionString;
205 delete [] vendorString;
206 delete [] rendererString;
207 delete [] shaderVersionString;
208 delete [] extensionString;
211 // ----------------------------------------------------------------------------
214 //we don't need to handle depth since it's handled when window created on the host
216 struct egl_surface_t {
222 egl_surface_t(EGLDisplay dpy, EGLConfig config, EGLint surfaceType);
223 virtual ~egl_surface_t();
225 virtual void setSwapInterval(int interval) = 0;
226 virtual EGLBoolean swapBuffers() = 0;
228 EGLint getSwapBehavior() const;
229 uint32_t getRcSurface() { return rcSurface; }
230 EGLint getSurfaceType() { return surfaceType; }
232 EGLint getWidth(){ return width; }
233 EGLint getHeight(){ return height; }
234 EGLint getNativeWidth(){ return nativeWidth; }
235 EGLint getNativeHeight(){ return nativeHeight; }
236 void setTextureFormat(EGLint _texFormat) { texFormat = _texFormat; }
237 EGLint getTextureFormat() { return texFormat; }
238 void setTextureTarget(EGLint _texTarget) { texTarget = _texTarget; }
239 EGLint getTextureTarget() { return texTarget; }
250 // Width of the actual window being presented (not the EGL texture)
251 // Give it some default values.
256 void setWidth(EGLint w) { width = w; }
257 void setHeight(EGLint h) { height = h; }
258 void setNativeWidth(int w) { nativeWidth = w; }
259 void setNativeHeight(int h) { nativeHeight = h; }
262 uint32_t rcSurface; //handle to surface created via remote control
265 egl_surface_t::egl_surface_t(EGLDisplay dpy, EGLConfig config, EGLint surfaceType)
266 : dpy(dpy), config(config), surfaceType(surfaceType), rcSurface(0)
270 // prevent div by 0 in EGL_(HORIZONTAL|VERTICAL)_RESOLUTION queries.
273 texFormat = EGL_NO_TEXTURE;
274 texTarget = EGL_NO_TEXTURE;
275 assert(dpy == (EGLDisplay)&s_display);
276 s_display.onCreateSurface((EGLSurface)this);
279 EGLint egl_surface_t::getSwapBehavior() const {
280 return EGL_BUFFER_PRESERVED;
283 egl_surface_t::~egl_surface_t()
285 assert(dpy == (EGLDisplay)&s_display);
286 s_display.onDestroySurface((EGLSurface)this);
289 // ----------------------------------------------------------------------------
290 // egl_window_surface_t
292 struct egl_window_surface_t : public egl_surface_t {
293 static egl_window_surface_t* create(
294 EGLDisplay dpy, EGLConfig config, EGLint surfType,
295 ANativeWindow* window);
297 virtual ~egl_window_surface_t();
299 virtual void setSwapInterval(int interval);
300 virtual EGLBoolean swapBuffers();
303 egl_window_surface_t(
304 EGLDisplay dpy, EGLConfig config, EGLint surfType,
305 ANativeWindow* window);
308 ANativeWindow* nativeWindow;
309 android_native_buffer_t* buffer;
312 egl_window_surface_t::egl_window_surface_t (
313 EGLDisplay dpy, EGLConfig config, EGLint surfType,
314 ANativeWindow* window)
315 : egl_surface_t(dpy, config, surfType),
316 nativeWindow(window),
319 // keep a reference on the window
320 nativeWindow->common.incRef(&nativeWindow->common);
324 EGLBoolean egl_window_surface_t::init()
326 if (nativeWindow->dequeueBuffer_DEPRECATED(nativeWindow, &buffer) != NO_ERROR) {
327 setErrorReturn(EGL_BAD_ALLOC, EGL_FALSE);
329 setWidth(buffer->width);
330 setHeight(buffer->height);
332 int nativeWidth, nativeHeight;
333 nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &nativeWidth);
334 nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &nativeHeight);
336 setNativeWidth(nativeWidth);
337 setNativeHeight(nativeHeight);
339 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
340 rcSurface = rcEnc->rcCreateWindowSurface(rcEnc, (uintptr_t)config,
341 getWidth(), getHeight());
343 ALOGE("rcCreateWindowSurface returned 0");
346 rcEnc->rcSetWindowColorBuffer(rcEnc, rcSurface,
347 ((cb_handle_t*)(buffer->handle))->hostHandle);
352 egl_window_surface_t* egl_window_surface_t::create(
353 EGLDisplay dpy, EGLConfig config, EGLint surfType,
354 ANativeWindow* window)
356 egl_window_surface_t* wnd = new egl_window_surface_t(
357 dpy, config, surfType, window);
358 if (wnd && !wnd->init()) {
365 egl_window_surface_t::~egl_window_surface_t() {
366 DEFINE_HOST_CONNECTION;
367 if (rcSurface && rcEnc) {
368 rcEnc->rcDestroyWindowSurface(rcEnc, rcSurface);
371 nativeWindow->cancelBuffer_DEPRECATED(nativeWindow, buffer);
373 nativeWindow->common.decRef(&nativeWindow->common);
376 void egl_window_surface_t::setSwapInterval(int interval)
378 nativeWindow->setSwapInterval(nativeWindow, interval);
381 // createNativeSync() creates an OpenGL sync object on the host
382 // using rcCreateSyncKHR. If necessary, a native fence FD will
383 // also be created through the goldfish sync device.
384 // Returns a handle to the host-side FenceSync object.
385 static uint64_t createNativeSync(EGLenum type,
386 const EGLint* attrib_list,
387 int num_actual_attribs,
388 bool destroy_when_signaled,
391 DEFINE_HOST_CONNECTION;
393 uint64_t sync_handle;
394 uint64_t thread_handle;
396 EGLint* actual_attribs =
397 (EGLint*)(num_actual_attribs == 0 ? NULL : attrib_list);
399 rcEnc->rcCreateSyncKHR(rcEnc, type,
401 num_actual_attribs * sizeof(EGLint),
402 destroy_when_signaled,
406 if (type == EGL_SYNC_NATIVE_FENCE_ANDROID && fd_in < 0) {
408 goldfish_sync_queue_work(
409 getEGLThreadInfo()->currentContext->getGoldfishSyncFd(),
414 DPRINT("got native fence fd=%d queue_work_err=%d",
415 *fd_out, queue_work_err);
421 // createGoldfishOpenGLNativeSync() is for creating host-only sync objects
422 // that are needed by only this goldfish opengl driver,
423 // such as in swapBuffers().
424 // The guest will not see any of these, and these sync objects will be
425 // destroyed on the host when signaled.
426 // A native fence FD is possibly returned.
427 static void createGoldfishOpenGLNativeSync(int* fd_out) {
428 createNativeSync(EGL_SYNC_NATIVE_FENCE_ANDROID,
429 NULL /* empty attrib list */,
430 0 /* 0 attrib count */,
431 true /* destroy when signaled. this is host-only
432 and there will only be one waiter */,
433 -1 /* we want a new fd */,
437 EGLBoolean egl_window_surface_t::swapBuffers()
440 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
442 // Follow up flushWindowColorBuffer with a fence command.
443 // When the fence command finishes,
444 // we're sure that the buffer on the host
447 // |presentFenceFd| guards the presentation of the
448 // current frame with a goldfish sync fence fd.
450 // When |presentFenceFd| is signaled, the recipient
451 // of the buffer that was sent through queueBuffer
452 // can be sure that the buffer is current.
454 // If we don't take care of this synchronization,
455 // an old frame can be processed by surfaceflinger,
456 // resulting in out of order frames.
458 int presentFenceFd = -1;
460 if (buffer == NULL) {
461 ALOGE("egl_window_surface_t::swapBuffers called with NULL buffer");
462 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
465 #if PLATFORM_SDK_VERSION <= 16
466 rcEnc->rcFlushWindowColorBuffer(rcEnc, rcSurface);
467 // equivalent to glFinish if no native sync
469 nativeWindow->queueBuffer(nativeWindow, buffer);
471 if (rcEnc->hasNativeSync()) {
472 rcEnc->rcFlushWindowColorBufferAsync(rcEnc, rcSurface);
473 createGoldfishOpenGLNativeSync(&presentFenceFd);
475 rcEnc->rcFlushWindowColorBuffer(rcEnc, rcSurface);
476 // equivalent to glFinish if no native sync
480 DPRINT("queueBuffer with fence %d", presentFenceFd);
481 nativeWindow->queueBuffer(nativeWindow, buffer, presentFenceFd);
484 DPRINT("calling dequeueBuffer...");
486 #if PLATFORM_SDK_VERSION <= 16
487 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer)) {
489 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
492 int acquireFenceFd = -1;
493 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, &acquireFenceFd)) {
495 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
498 DPRINT("dequeueBuffer with fence %d", acquireFenceFd);
500 if (acquireFenceFd > 0) {
501 close(acquireFenceFd);
505 rcEnc->rcSetWindowColorBuffer(rcEnc, rcSurface,
506 ((cb_handle_t *)(buffer->handle))->hostHandle);
508 setWidth(buffer->width);
509 setHeight(buffer->height);
514 // ----------------------------------------------------------------------------
515 //egl_pbuffer_surface_t
517 struct egl_pbuffer_surface_t : public egl_surface_t {
518 static egl_pbuffer_surface_t* create(EGLDisplay dpy, EGLConfig config,
519 EGLint surfType, int32_t w, int32_t h, GLenum pixelFormat);
521 virtual ~egl_pbuffer_surface_t();
523 virtual void setSwapInterval(int interval) { (void)interval; }
524 virtual EGLBoolean swapBuffers() { return EGL_TRUE; }
526 uint32_t getRcColorBuffer() { return rcColorBuffer; }
529 egl_pbuffer_surface_t(EGLDisplay dpy, EGLConfig config, EGLint surfType,
530 int32_t w, int32_t h);
531 EGLBoolean init(GLenum format);
533 uint32_t rcColorBuffer;
536 egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, EGLConfig config,
537 EGLint surfType, int32_t w, int32_t h)
538 : egl_surface_t(dpy, config, surfType),
545 egl_pbuffer_surface_t::~egl_pbuffer_surface_t()
547 DEFINE_HOST_CONNECTION;
549 if (rcColorBuffer) rcEnc->rcCloseColorBuffer(rcEnc, rcColorBuffer);
550 if (rcSurface) rcEnc->rcDestroyWindowSurface(rcEnc, rcSurface);
554 EGLBoolean egl_pbuffer_surface_t::init(GLenum pixelFormat)
556 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
558 rcSurface = rcEnc->rcCreateWindowSurface(rcEnc, (uintptr_t)config,
559 getWidth(), getHeight());
561 ALOGE("rcCreateWindowSurface returned 0");
565 rcColorBuffer = rcEnc->rcCreateColorBuffer(rcEnc, getWidth(), getHeight(), pixelFormat);
566 if (!rcColorBuffer) {
567 ALOGE("rcCreateColorBuffer returned 0");
571 rcEnc->rcSetWindowColorBuffer(rcEnc, rcSurface, rcColorBuffer);
576 egl_pbuffer_surface_t* egl_pbuffer_surface_t::create(EGLDisplay dpy,
577 EGLConfig config, EGLint surfType, int32_t w, int32_t h,
580 egl_pbuffer_surface_t* pb = new egl_pbuffer_surface_t(dpy, config, surfType,
582 if (pb && !pb->init(pixelFormat)) {
589 static const char *getGLString(int glEnum)
591 EGLThreadInfo *tInfo = getEGLThreadInfo();
592 if (!tInfo || !tInfo->currentContext) {
596 const char** strPtr = NULL;
598 #define GL_VENDOR 0x1F00
599 #define GL_RENDERER 0x1F01
600 #define GL_VERSION 0x1F02
601 #define GL_SHADING_LANGUAGE_VERSION 0x8B8C
602 #define GL_EXTENSIONS 0x1F03
606 strPtr = &tInfo->currentContext->versionString;
609 strPtr = &tInfo->currentContext->vendorString;
612 strPtr = &tInfo->currentContext->rendererString;
614 case GL_SHADING_LANGUAGE_VERSION:
615 strPtr = &tInfo->currentContext->shaderVersionString;
618 strPtr = &tInfo->currentContext->extensionString;
627 // first query of that string - need to query host
629 DEFINE_AND_VALIDATE_HOST_CONNECTION(NULL);
630 char *hostStr = NULL;
631 int n = rcEnc->rcGetGLString(rcEnc, glEnum, NULL, 0);
633 hostStr = new char[-n+1];
634 n = rcEnc->rcGetGLString(rcEnc, glEnum, hostStr, -n);
642 // keep the string in the context and return its value
648 // ----------------------------------------------------------------------------
650 static EGLClient_eglInterface s_eglIface = {
651 getThreadInfo: getEGLThreadInfo,
652 getGLString: getGLString
655 #define DBG_FUNC DBG("%s\n", __FUNCTION__)
656 EGLDisplay eglGetDisplay(EGLNativeDisplayType display_id)
659 // we support only EGL_DEFAULT_DISPLAY.
661 if (display_id != EGL_DEFAULT_DISPLAY) {
662 return EGL_NO_DISPLAY;
665 return (EGLDisplay)&s_display;
668 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
670 VALIDATE_DISPLAY(dpy,EGL_FALSE);
672 if (!s_display.initialize(&s_eglIface)) {
676 *major = s_display.getVersionMajor();
678 *minor = s_display.getVersionMinor();
682 EGLBoolean eglTerminate(EGLDisplay dpy)
684 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
686 s_display.terminate();
692 EGLint error = getEGLThreadInfo()->eglError;
693 getEGLThreadInfo()->eglError = EGL_SUCCESS;
697 __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
699 // search in EGL function table
700 for (int i=0; i<egl_num_funcs; i++) {
701 if (!strcmp(egl_funcs_by_name[i].name, procname)) {
702 return (__eglMustCastToProperFunctionPointerType)egl_funcs_by_name[i].proc;
706 // look in gles client api's extensions table
707 return (__eglMustCastToProperFunctionPointerType)ClientAPIExts::getProcAddress(procname);
709 // Fail - function not found.
713 const char* eglQueryString(EGLDisplay dpy, EGLint name)
715 VALIDATE_DISPLAY_INIT(dpy, NULL);
717 return s_display.queryString(name);
720 EGLBoolean eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)
722 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
725 RETURN_ERROR(EGL_FALSE,EGL_BAD_PARAMETER);
728 GLint numConfigs = s_display.getNumConfigs();
730 *num_config = numConfigs;
735 for (i = 0 ; i < numConfigs && i < config_size ; i++) {
736 *configs++ = (EGLConfig)(uintptr_t)i;
742 EGLBoolean eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
744 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
747 setErrorReturn(EGL_BAD_PARAMETER, EGL_FALSE);
750 int attribs_size = 0;
752 const EGLint * attrib_p = attrib_list;
753 while (attrib_p[0] != EGL_NONE) {
757 attribs_size++; //for the terminating EGL_NONE
760 // API 19 passes EGL_SWAP_BEHAVIOR_PRESERVED_BIT to surface type,
761 // while the host never supports it.
762 // We remove the bit here.
763 EGLint* local_attrib_list = NULL;
764 if (PLATFORM_SDK_VERSION <= 19) {
765 local_attrib_list = new EGLint[attribs_size];
766 memcpy(local_attrib_list, attrib_list, attribs_size * sizeof(EGLint));
767 EGLint* local_attrib_p = local_attrib_list;
768 while (local_attrib_p[0] != EGL_NONE) {
769 if (local_attrib_p[0] == EGL_SURFACE_TYPE) {
770 local_attrib_p[1] &= ~(EGLint)EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
776 uint32_t* tempConfigs[config_size];
777 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
778 *num_config = rcEnc->rcChooseConfig(rcEnc,
779 local_attrib_list ? local_attrib_list:(EGLint*)attrib_list,
780 attribs_size * sizeof(EGLint), (uint32_t*)tempConfigs, config_size);
782 if (local_attrib_list) delete [] local_attrib_list;
783 if (*num_config <= 0) {
784 EGLint err = -(*num_config);
787 case EGL_BAD_ATTRIBUTE:
788 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_FALSE);
796 for (i=0;i<(*num_config);i++) {
797 *((uintptr_t*)configs+i) = *((uint32_t*)tempConfigs+i);
804 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
806 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
807 VALIDATE_CONFIG(config, EGL_FALSE);
809 if (s_display.getConfigAttrib(config, attribute, value))
815 RETURN_ERROR(EGL_FALSE, EGL_BAD_ATTRIBUTE);
819 EGLSurface eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list)
823 VALIDATE_DISPLAY_INIT(dpy, NULL);
824 VALIDATE_CONFIG(config, EGL_FALSE);
826 setErrorReturn(EGL_BAD_MATCH, EGL_NO_SURFACE);
830 if (s_display.getConfigAttrib(config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) return EGL_FALSE;
832 if (!(surfaceType & EGL_WINDOW_BIT)) {
833 setErrorReturn(EGL_BAD_MATCH, EGL_NO_SURFACE);
836 if (static_cast<ANativeWindow*>(win)->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
837 setErrorReturn(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
840 egl_surface_t* surface = egl_window_surface_t::create(
841 &s_display, config, EGL_WINDOW_BIT, static_cast<ANativeWindow*>(win));
843 setErrorReturn(EGL_BAD_ALLOC, EGL_NO_SURFACE);
849 EGLSurface eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
851 VALIDATE_DISPLAY_INIT(dpy, NULL);
852 VALIDATE_CONFIG(config, EGL_FALSE);
855 if (s_display.getConfigAttrib(config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) return EGL_FALSE;
857 if (!(surfaceType & EGL_PBUFFER_BIT)) {
858 setErrorReturn(EGL_BAD_MATCH, EGL_NO_SURFACE);
863 EGLint texFormat = EGL_NO_TEXTURE;
864 EGLint texTarget = EGL_NO_TEXTURE;
865 while (attrib_list[0] != EGL_NONE) {
866 switch (attrib_list[0]) {
869 if (w < 0) setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
873 if (h < 0) setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
875 case EGL_TEXTURE_FORMAT:
876 texFormat = attrib_list[1];
878 case EGL_TEXTURE_TARGET:
879 texTarget = attrib_list[1];
881 // the followings are not supported
882 case EGL_LARGEST_PBUFFER:
883 case EGL_MIPMAP_TEXTURE:
884 case EGL_VG_ALPHA_FORMAT:
885 case EGL_VG_COLORSPACE:
888 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
892 if (((texFormat == EGL_NO_TEXTURE)&&(texTarget != EGL_NO_TEXTURE)) ||
893 ((texFormat != EGL_NO_TEXTURE)&&(texTarget == EGL_NO_TEXTURE))) {
894 setErrorReturn(EGL_BAD_MATCH, EGL_NO_SURFACE);
896 // TODO: check EGL_TEXTURE_FORMAT - need to support eglBindTexImage
899 if (s_display.getConfigGLPixelFormat(config, &pixelFormat) == EGL_FALSE)
900 setErrorReturn(EGL_BAD_MATCH, EGL_NO_SURFACE);
902 egl_surface_t* surface = egl_pbuffer_surface_t::create(dpy, config,
903 EGL_PBUFFER_BIT, w, h, pixelFormat);
905 setErrorReturn(EGL_BAD_ALLOC, EGL_NO_SURFACE);
909 surface->setTextureFormat(texFormat);
910 surface->setTextureTarget(texTarget);
915 EGLSurface eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list)
917 //XXX: Pixmap not supported. The host cannot render to a pixmap resource
918 // located on host. In order to support Pixmaps we should either punt
919 // to s/w rendering -or- let the host render to a buffer that will be
920 // copied back to guest at some sync point. None of those methods not
921 // implemented and pixmaps are not used with OpenGL anyway ...
922 VALIDATE_CONFIG(config, EGL_FALSE);
926 return EGL_NO_SURFACE;
929 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface)
931 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
932 VALIDATE_SURFACE_RETURN(eglSurface, EGL_FALSE);
934 egl_surface_t* surface(static_cast<egl_surface_t*>(eglSurface));
940 static float s_getNativeDpi() {
941 float nativeDPI = 560.0f;
942 const char* dpiPropName = "qemu.sf.lcd_density";
943 char dpiProp[PROPERTY_VALUE_MAX];
944 if (property_get(dpiPropName, dpiProp, NULL) > 0) {
945 nativeDPI = atof(dpiProp);
950 EGLBoolean eglQuerySurface(EGLDisplay dpy, EGLSurface eglSurface, EGLint attribute, EGLint *value)
952 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
953 VALIDATE_SURFACE_RETURN(eglSurface, EGL_FALSE);
955 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) );
957 // Parameters involved in queries of EGL_(HORIZONTAL|VERTICAL)_RESOLUTION
958 float currWidth, currHeight, scaledResolution, effectiveSurfaceDPI;
959 EGLBoolean ret = EGL_TRUE;
962 ret = s_display.getConfigAttrib(surface->config, EGL_CONFIG_ID, value);
965 *value = surface->getWidth();
968 *value = surface->getHeight();
970 case EGL_TEXTURE_FORMAT:
971 if (surface->getSurfaceType() & EGL_PBUFFER_BIT) {
972 *value = surface->getTextureFormat();
975 case EGL_TEXTURE_TARGET:
976 if (surface->getSurfaceType() & EGL_PBUFFER_BIT) {
977 *value = surface->getTextureTarget();
980 case EGL_SWAP_BEHAVIOR:
983 ret = s_display.getConfigAttrib(surface->config, EGL_SURFACE_TYPE,
985 if (ret == EGL_TRUE) {
986 if (surfaceType & EGL_SWAP_BEHAVIOR_PRESERVED_BIT) {
987 *value = EGL_BUFFER_PRESERVED;
989 *value = EGL_BUFFER_DESTROYED;
994 case EGL_LARGEST_PBUFFER:
995 // not modified for a window or pixmap surface
996 // and we ignore it when creating a PBuffer surface (default is EGL_FALSE)
997 if (surface->getSurfaceType() & EGL_PBUFFER_BIT) *value = EGL_FALSE;
999 case EGL_MIPMAP_TEXTURE:
1000 // not modified for a window or pixmap surface
1001 // and we ignore it when creating a PBuffer surface (default is 0)
1002 if (surface->getSurfaceType() & EGL_PBUFFER_BIT) *value = false;
1004 case EGL_MIPMAP_LEVEL:
1005 // not modified for a window or pixmap surface
1006 // and we ignore it when creating a PBuffer surface (default is 0)
1007 if (surface->getSurfaceType() & EGL_PBUFFER_BIT) *value = 0;
1009 case EGL_MULTISAMPLE_RESOLVE:
1010 // ignored when creating the surface, return default
1011 *value = EGL_MULTISAMPLE_RESOLVE_DEFAULT;
1013 case EGL_HORIZONTAL_RESOLUTION:
1014 // pixel/mm * EGL_DISPLAY_SCALING
1015 // TODO: get the DPI from avd config
1016 currWidth = surface->getWidth();
1017 scaledResolution = currWidth / surface->getNativeWidth();
1018 effectiveSurfaceDPI =
1019 scaledResolution * s_getNativeDpi() * EGL_DISPLAY_SCALING;
1020 *value = (EGLint)(effectiveSurfaceDPI);
1022 case EGL_VERTICAL_RESOLUTION:
1023 // pixel/mm * EGL_DISPLAY_SCALING
1024 // TODO: get the real DPI from avd config
1025 currHeight = surface->getHeight();
1026 scaledResolution = currHeight / surface->getNativeHeight();
1027 effectiveSurfaceDPI =
1028 scaledResolution * s_getNativeDpi() * EGL_DISPLAY_SCALING;
1029 *value = (EGLint)(effectiveSurfaceDPI);
1031 case EGL_PIXEL_ASPECT_RATIO:
1032 // w / h * EGL_DISPLAY_SCALING
1033 // Please don't ask why * EGL_DISPLAY_SCALING, the document says it
1034 *value = 1 * EGL_DISPLAY_SCALING;
1036 case EGL_RENDER_BUFFER:
1037 switch (surface->getSurfaceType()) {
1038 case EGL_PBUFFER_BIT:
1039 *value = EGL_BACK_BUFFER;
1041 case EGL_PIXMAP_BIT:
1042 *value = EGL_SINGLE_BUFFER;
1044 case EGL_WINDOW_BIT:
1045 // ignored when creating the surface, return default
1046 *value = EGL_BACK_BUFFER;
1049 ALOGE("eglQuerySurface %x unknown surface type %x",
1050 attribute, surface->getSurfaceType());
1051 ret = setErrorFunc(EGL_BAD_ATTRIBUTE, EGL_FALSE);
1055 case EGL_VG_COLORSPACE:
1056 // ignored when creating the surface, return default
1057 *value = EGL_VG_COLORSPACE_sRGB;
1059 case EGL_VG_ALPHA_FORMAT:
1060 // ignored when creating the surface, return default
1061 *value = EGL_VG_ALPHA_FORMAT_NONPRE;
1063 //TODO: complete other attributes
1065 ALOGE("eglQuerySurface %x EGL_BAD_ATTRIBUTE", attribute);
1066 ret = setErrorFunc(EGL_BAD_ATTRIBUTE, EGL_FALSE);
1073 EGLBoolean eglBindAPI(EGLenum api)
1075 if (api != EGL_OPENGL_ES_API)
1076 setErrorReturn(EGL_BAD_PARAMETER, EGL_FALSE);
1080 EGLenum eglQueryAPI()
1082 return EGL_OPENGL_ES_API;
1085 EGLBoolean eglWaitClient()
1090 EGLBoolean eglReleaseThread()
1092 EGLThreadInfo *tInfo = getEGLThreadInfo();
1094 tInfo->eglError = EGL_SUCCESS;
1095 EGLContext_t* context = tInfo->currentContext;
1097 // The following code is doing pretty much the same thing as
1098 // eglMakeCurrent(&s_display, EGL_NO_CONTEXT, EGL_NO_SURFACE, EGL_NO_SURFACE)
1099 // with the only issue that we do not require a valid display here.
1100 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1101 rcEnc->rcMakeCurrent(rcEnc, 0, 0, 0);
1102 if (context->majorVersion > 1) {
1103 hostCon->gl2Encoder()->setClientState(NULL);
1104 hostCon->gl2Encoder()->setSharedGroup(GLSharedGroupPtr());
1107 hostCon->glEncoder()->setClientState(NULL);
1108 hostCon->glEncoder()->setSharedGroup(GLSharedGroupPtr());
1110 context->flags &= ~EGLContext_t::IS_CURRENT;
1112 if (context->deletePending) {
1113 if (context->rcContext) {
1114 rcEnc->rcDestroyContext(rcEnc, context->rcContext);
1115 context->rcContext = 0;
1119 tInfo->currentContext = 0;
1125 EGLSurface eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list)
1133 ALOGW("%s not implemented", __FUNCTION__);
1137 EGLBoolean eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
1139 // Right now we don't do anything when using host GPU.
1140 // This is purely just to pass the data through
1141 // without issuing a warning. We may benefit from validating the
1142 // display and surface for debug purposes.
1143 // TODO: Find cases where we actually need to do something.
1144 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1145 VALIDATE_SURFACE_RETURN(surface, EGL_FALSE);
1146 if (surface == EGL_NO_SURFACE) {
1147 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
1152 egl_surface_t* p_surface( static_cast<egl_surface_t*>(surface) );
1153 switch (attribute) {
1154 case EGL_MIPMAP_LEVEL:
1157 case EGL_MULTISAMPLE_RESOLVE:
1159 if (value == EGL_MULTISAMPLE_RESOLVE_BOX) {
1160 EGLint surface_type;
1161 s_display.getConfigAttrib(p_surface->config, EGL_SURFACE_TYPE, &surface_type);
1162 if (0 == (surface_type & EGL_MULTISAMPLE_RESOLVE_BOX_BIT)) {
1163 setErrorReturn(EGL_BAD_MATCH, EGL_FALSE);
1169 case EGL_SWAP_BEHAVIOR:
1170 if (value == EGL_BUFFER_PRESERVED) {
1171 EGLint surface_type;
1172 s_display.getConfigAttrib(p_surface->config, EGL_SURFACE_TYPE, &surface_type);
1173 if (0 == (surface_type & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)) {
1174 setErrorReturn(EGL_BAD_MATCH, EGL_FALSE);
1180 ALOGW("%s: attr=0x%x not implemented", __FUNCTION__, attribute);
1181 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_FALSE);
1186 EGLBoolean eglBindTexImage(EGLDisplay dpy, EGLSurface eglSurface, EGLint buffer)
1188 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1189 VALIDATE_SURFACE_RETURN(eglSurface, EGL_FALSE);
1190 if (eglSurface == EGL_NO_SURFACE) {
1191 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
1194 if (buffer != EGL_BACK_BUFFER) {
1195 setErrorReturn(EGL_BAD_PARAMETER, EGL_FALSE);
1198 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) );
1200 if (surface->getTextureFormat() == EGL_NO_TEXTURE) {
1201 setErrorReturn(EGL_BAD_MATCH, EGL_FALSE);
1204 if (!(surface->getSurfaceType() & EGL_PBUFFER_BIT)) {
1205 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
1208 //It's now safe to cast to pbuffer surface
1209 egl_pbuffer_surface_t* pbSurface = (egl_pbuffer_surface_t*)surface;
1211 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1212 rcEnc->rcBindTexture(rcEnc, pbSurface->getRcColorBuffer());
1217 EGLBoolean eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
1223 ALOGW("%s not implemented", __FUNCTION__);
1227 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
1229 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1230 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1232 EGLContext_t* ctx = getEGLThreadInfo()->currentContext;
1234 setErrorReturn(EGL_BAD_CONTEXT, EGL_FALSE);
1237 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
1239 egl_surface_t* draw(static_cast<egl_surface_t*>(ctx->draw));
1240 draw->setSwapInterval(interval);
1242 rcEnc->rcFBSetSwapInterval(rcEnc, interval); //TODO: implement on the host
1247 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)
1249 VALIDATE_DISPLAY_INIT(dpy, EGL_NO_CONTEXT);
1250 VALIDATE_CONFIG(config, EGL_NO_CONTEXT);
1252 EGLint majorVersion = 1; //default
1253 EGLint minorVersion = 0;
1254 EGLint context_flags = 0;
1255 EGLint profile_mask = 0;
1256 EGLint reset_notification_strategy = 0;
1257 while (attrib_list && attrib_list[0] != EGL_NONE) {
1258 EGLint attrib_val = attrib_list[1];
1259 switch(attrib_list[0]) {
1260 case EGL_CONTEXT_MAJOR_VERSION_KHR:
1261 majorVersion = attrib_val;
1263 case EGL_CONTEXT_MINOR_VERSION_KHR:
1264 minorVersion = attrib_val;
1266 case EGL_CONTEXT_FLAGS_KHR:
1267 if ((attrib_val | EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR) ||
1268 (attrib_val | EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR) ||
1269 (attrib_val | EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR)) {
1270 context_flags = attrib_val;
1272 RETURN_ERROR(EGL_NO_CONTEXT,EGL_BAD_ATTRIBUTE);
1275 case EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR:
1276 if ((attrib_val | EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR) ||
1277 (attrib_val | EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR)) {
1278 profile_mask = attrib_val;
1280 RETURN_ERROR(EGL_NO_CONTEXT,EGL_BAD_ATTRIBUTE);
1283 case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR:
1284 switch (attrib_val) {
1285 case EGL_NO_RESET_NOTIFICATION_KHR:
1286 case EGL_LOSE_CONTEXT_ON_RESET_KHR:
1289 RETURN_ERROR(EGL_NO_CONTEXT,EGL_BAD_ATTRIBUTE);
1291 reset_notification_strategy = attrib_val;
1294 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
1299 // Support up to GLES 3.2 depending on advertised version from the host system.
1300 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_NO_CONTEXT);
1301 switch (majorVersion) {
1306 if (rcEnc->getGLESMaxVersion() < GLES_MAX_VERSION_3_0) {
1307 ALOGE("%s: EGL_BAD_CONFIG: no ES 3 support", __FUNCTION__);
1308 setErrorReturn(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
1310 switch (minorVersion) {
1314 if (rcEnc->getGLESMaxVersion() < GLES_MAX_VERSION_3_1) {
1315 ALOGE("%s: EGL_BAD_CONFIG: no ES 3.1 support", __FUNCTION__);
1316 setErrorReturn(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
1320 if (rcEnc->getGLESMaxVersion() < GLES_MAX_VERSION_3_2) {
1321 ALOGE("%s: EGL_BAD_CONFIG: no ES 3.2 support", __FUNCTION__);
1322 setErrorReturn(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
1326 ALOGE("%s: EGL_BAD_CONFIG: Unknown ES version %d.%d",
1327 __FUNCTION__, majorVersion, minorVersion);
1328 setErrorReturn(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
1332 setErrorReturn(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
1335 uint32_t rcShareCtx = 0;
1336 EGLContext_t * shareCtx = NULL;
1337 if (share_context) {
1338 shareCtx = static_cast<EGLContext_t*>(share_context);
1339 rcShareCtx = shareCtx->rcContext;
1340 if (shareCtx->dpy != dpy)
1341 setErrorReturn(EGL_BAD_MATCH, EGL_NO_CONTEXT);
1344 // We've created EGL context. Disconnecting
1345 // would be dangerous at this point.
1346 hostCon->setGrallocOnly(false);
1348 int rcMajorVersion = majorVersion;
1349 if (majorVersion == 3 && minorVersion == 1) {
1352 if (majorVersion == 3 && minorVersion == 2) {
1355 ALOGD("%s: maj %d min %d rcv %d", __FUNCTION__, majorVersion, minorVersion, rcMajorVersion);
1356 uint32_t rcContext = rcEnc->rcCreateContext(rcEnc, (uintptr_t)config, rcShareCtx, rcMajorVersion);
1358 ALOGE("rcCreateContext returned 0");
1359 setErrorReturn(EGL_BAD_ALLOC, EGL_NO_CONTEXT);
1362 EGLContext_t * context = new EGLContext_t(dpy, config, shareCtx, majorVersion, minorVersion);
1364 ALOGE("could not alloc egl context!");
1365 setErrorReturn(EGL_BAD_ALLOC, EGL_NO_CONTEXT);
1368 context->rcContext = rcContext;
1372 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
1374 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1375 VALIDATE_CONTEXT_RETURN(ctx, EGL_FALSE);
1377 EGLContext_t * context = static_cast<EGLContext_t*>(ctx);
1379 if (!context) return EGL_TRUE;
1381 if (getEGLThreadInfo()->currentContext == context) {
1382 getEGLThreadInfo()->currentContext->deletePending = 1;
1386 if (context->rcContext) {
1387 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1388 rcEnc->rcDestroyContext(rcEnc, context->rcContext);
1389 context->rcContext = 0;
1396 EGLBoolean eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
1398 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1399 VALIDATE_SURFACE_RETURN(draw, EGL_FALSE);
1400 VALIDATE_SURFACE_RETURN(read, EGL_FALSE);
1402 if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT))
1403 setErrorReturn(EGL_BAD_MATCH, EGL_FALSE);
1404 if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT))
1405 setErrorReturn(EGL_BAD_MATCH, EGL_FALSE);
1407 EGLContext_t * context = static_cast<EGLContext_t*>(ctx);
1408 uint32_t ctxHandle = (context) ? context->rcContext : 0;
1409 egl_surface_t * drawSurf = static_cast<egl_surface_t *>(draw);
1410 uint32_t drawHandle = (drawSurf) ? drawSurf->getRcSurface() : 0;
1411 egl_surface_t * readSurf = static_cast<egl_surface_t *>(read);
1412 uint32_t readHandle = (readSurf) ? readSurf->getRcSurface() : 0;
1415 // Nothing to do if no binding change has made
1417 EGLThreadInfo *tInfo = getEGLThreadInfo();
1419 if (tInfo->currentContext == context &&
1421 (context && context->draw == draw && context->read == read))) {
1425 if (tInfo->currentContext && tInfo->currentContext->deletePending) {
1426 if (tInfo->currentContext != context) {
1427 EGLContext_t * contextToDelete = tInfo->currentContext;
1428 tInfo->currentContext = 0;
1429 eglDestroyContext(dpy, contextToDelete);
1433 if (context && (context->flags & EGLContext_t::IS_CURRENT) && (context != tInfo->currentContext)) {
1434 //context is current to another thread
1435 setErrorReturn(EGL_BAD_ACCESS, EGL_FALSE);
1438 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1439 if (rcEnc->rcMakeCurrent(rcEnc, ctxHandle, drawHandle, readHandle) == EGL_FALSE) {
1440 ALOGE("rcMakeCurrent returned EGL_FALSE");
1441 setErrorReturn(EGL_BAD_CONTEXT, EGL_FALSE);
1444 //Now make the local bind
1446 // This is a nontrivial context.
1447 // The thread cannot be gralloc-only anymore.
1448 hostCon->setGrallocOnly(false);
1449 context->draw = draw;
1450 context->read = read;
1451 context->flags |= EGLContext_t::IS_CURRENT;
1452 GLClientState* contextState =
1453 context->getClientState();
1455 if (!hostCon->gl2Encoder()->isInitialized()) {
1456 s_display.gles2_iface()->init();
1457 hostCon->gl2Encoder()->setInitialized();
1458 ClientAPIExts::initClientFuncs(s_display.gles2_iface(), 1);
1460 if (contextState->needsInitFromCaps()) {
1461 // Get caps for indexed buffers from host.
1462 // Some need a current context.
1463 int max_transform_feedback_separate_attribs = 0;
1464 int max_uniform_buffer_bindings = 0;
1465 int max_atomic_counter_buffer_bindings = 0;
1466 int max_shader_storage_buffer_bindings = 0;
1467 int max_vertex_attrib_bindings = 0;
1468 int max_color_attachments = 1;
1469 int max_draw_buffers = 1;
1470 if (context->majorVersion > 2) {
1471 s_display.gles2_iface()->getIntegerv(
1472 GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS, &max_transform_feedback_separate_attribs);
1473 s_display.gles2_iface()->getIntegerv(
1474 GL_MAX_UNIFORM_BUFFER_BINDINGS, &max_uniform_buffer_bindings);
1475 if (context->minorVersion > 0) {
1476 s_display.gles2_iface()->getIntegerv(
1477 GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS, &max_atomic_counter_buffer_bindings);
1478 s_display.gles2_iface()->getIntegerv(
1479 GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS, &max_shader_storage_buffer_bindings);
1480 s_display.gles2_iface()->getIntegerv(
1481 GL_MAX_VERTEX_ATTRIB_BINDINGS, &max_vertex_attrib_bindings);
1483 s_display.gles2_iface()->getIntegerv(
1484 GL_MAX_COLOR_ATTACHMENTS, &max_color_attachments);
1485 s_display.gles2_iface()->getIntegerv(
1486 GL_MAX_DRAW_BUFFERS, &max_draw_buffers);
1488 contextState->initFromCaps(
1489 max_transform_feedback_separate_attribs,
1490 max_uniform_buffer_bindings,
1491 max_atomic_counter_buffer_bindings,
1492 max_shader_storage_buffer_bindings,
1493 max_vertex_attrib_bindings,
1494 max_color_attachments,
1498 //set the client state
1499 if (context->majorVersion > 1) {
1500 hostCon->gl2Encoder()->setClientStateMakeCurrent(
1502 context->majorVersion,
1503 context->minorVersion);
1504 hostCon->gl2Encoder()->setSharedGroup(context->getSharedGroup());
1507 hostCon->glEncoder()->setClientState(context->getClientState());
1508 hostCon->glEncoder()->setSharedGroup(context->getSharedGroup());
1511 else if (tInfo->currentContext) {
1512 //release ClientState & SharedGroup
1513 if (tInfo->currentContext->majorVersion > 1) {
1514 hostCon->gl2Encoder()->setClientState(NULL);
1515 hostCon->gl2Encoder()->setSharedGroup(GLSharedGroupPtr(NULL));
1518 hostCon->glEncoder()->setClientState(NULL);
1519 hostCon->glEncoder()->setSharedGroup(GLSharedGroupPtr(NULL));
1524 if (tInfo->currentContext)
1525 tInfo->currentContext->flags &= ~EGLContext_t::IS_CURRENT;
1528 tInfo->currentContext = context;
1530 //Check maybe we need to init the encoder, if it's first eglMakeCurrent
1531 if (tInfo->currentContext) {
1532 if (tInfo->currentContext->majorVersion > 1) {
1533 if (!hostCon->gl2Encoder()->isInitialized()) {
1534 s_display.gles2_iface()->init();
1535 hostCon->gl2Encoder()->setInitialized();
1536 ClientAPIExts::initClientFuncs(s_display.gles2_iface(), 1);
1540 if (!hostCon->glEncoder()->isInitialized()) {
1541 s_display.gles_iface()->init();
1542 hostCon->glEncoder()->setInitialized();
1543 ClientAPIExts::initClientFuncs(s_display.gles_iface(), 0);
1551 EGLContext eglGetCurrentContext()
1553 return getEGLThreadInfo()->currentContext;
1556 EGLSurface eglGetCurrentSurface(EGLint readdraw)
1558 EGLContext_t * context = getEGLThreadInfo()->currentContext;
1560 return EGL_NO_SURFACE; //not an error
1564 return context->read;
1566 return context->draw;
1568 setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
1572 EGLDisplay eglGetCurrentDisplay()
1574 EGLContext_t * context = getEGLThreadInfo()->currentContext;
1576 return EGL_NO_DISPLAY; //not an error
1578 return context->dpy;
1581 EGLBoolean eglQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)
1583 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1584 VALIDATE_CONTEXT_RETURN(ctx, EGL_FALSE);
1586 EGLContext_t * context = static_cast<EGLContext_t*>(ctx);
1588 EGLBoolean ret = EGL_TRUE;
1589 switch (attribute) {
1591 ret = s_display.getConfigAttrib(context->config, EGL_CONFIG_ID, value);
1593 case EGL_CONTEXT_CLIENT_TYPE:
1594 *value = EGL_OPENGL_ES_API;
1596 case EGL_CONTEXT_CLIENT_VERSION:
1597 *value = context->majorVersion;
1599 case EGL_RENDER_BUFFER:
1603 *value = EGL_BACK_BUFFER; //single buffer not supported
1606 ALOGE("eglQueryContext %x EGL_BAD_ATTRIBUTE", attribute);
1607 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_FALSE);
1614 EGLBoolean eglWaitGL()
1616 EGLThreadInfo *tInfo = getEGLThreadInfo();
1617 if (!tInfo || !tInfo->currentContext) {
1621 if (tInfo->currentContext->majorVersion > 1) {
1622 s_display.gles2_iface()->finish();
1625 s_display.gles_iface()->finish();
1631 EGLBoolean eglWaitNative(EGLint engine)
1637 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface eglSurface)
1639 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1640 if (eglSurface == EGL_NO_SURFACE)
1641 setErrorReturn(EGL_BAD_SURFACE, EGL_FALSE);
1643 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1645 egl_surface_t* d = static_cast<egl_surface_t*>(eglSurface);
1647 setErrorReturn(EGL_BAD_DISPLAY, EGL_FALSE);
1650 EGLBoolean ret = d->swapBuffers();
1656 EGLBoolean eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
1665 EGLBoolean eglLockSurfaceKHR(EGLDisplay display, EGLSurface surface, const EGLint *attrib_list)
1674 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay display, EGLSurface surface)
1682 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
1686 VALIDATE_DISPLAY_INIT(dpy, EGL_NO_IMAGE_KHR);
1688 if (target == EGL_NATIVE_BUFFER_ANDROID) {
1689 if (ctx != EGL_NO_CONTEXT) {
1690 setErrorReturn(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR);
1693 android_native_buffer_t* native_buffer = (android_native_buffer_t*)buffer;
1695 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
1696 setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
1698 if (native_buffer->common.version != sizeof(android_native_buffer_t))
1699 setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
1701 cb_handle_t *cb = (cb_handle_t *)(native_buffer->handle);
1703 switch (cb->format) {
1704 case HAL_PIXEL_FORMAT_RGBA_8888:
1705 case HAL_PIXEL_FORMAT_RGBX_8888:
1706 case HAL_PIXEL_FORMAT_RGB_888:
1707 case HAL_PIXEL_FORMAT_RGB_565:
1708 case HAL_PIXEL_FORMAT_YV12:
1709 case HAL_PIXEL_FORMAT_BGRA_8888:
1712 setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
1715 native_buffer->common.incRef(&native_buffer->common);
1717 EGLImage_t *image = new EGLImage_t();
1719 image->target = target;
1720 image->native_buffer = native_buffer;
1722 return (EGLImageKHR)image;
1724 else if (target == EGL_GL_TEXTURE_2D_KHR) {
1725 VALIDATE_CONTEXT_RETURN(ctx, EGL_NO_IMAGE_KHR);
1727 EGLContext_t *context = static_cast<EGLContext_t*>(ctx);
1728 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_NO_IMAGE_KHR);
1730 uint32_t ctxHandle = (context) ? context->rcContext : 0;
1731 GLuint texture = (GLuint)reinterpret_cast<uintptr_t>(buffer);
1732 uint32_t img = rcEnc->rcCreateClientImage(rcEnc, ctxHandle, target, texture);
1733 EGLImage_t *image = new EGLImage_t();
1735 image->target = target;
1736 image->host_egl_image = img;
1738 return (EGLImageKHR)image;
1741 setErrorReturn(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
1744 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
1746 VALIDATE_DISPLAY_INIT(dpy, EGL_FALSE);
1747 EGLImage_t *image = (EGLImage_t*)img;
1749 if (!image || image->dpy != dpy) {
1750 RETURN_ERROR(EGL_FALSE, EGL_BAD_PARAMETER);
1753 if (image->target == EGL_NATIVE_BUFFER_ANDROID) {
1754 android_native_buffer_t* native_buffer = image->native_buffer;
1756 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
1757 setErrorReturn(EGL_BAD_PARAMETER, EGL_FALSE);
1759 if (native_buffer->common.version != sizeof(android_native_buffer_t))
1760 setErrorReturn(EGL_BAD_PARAMETER, EGL_FALSE);
1762 native_buffer->common.decRef(&native_buffer->common);
1767 else if (image->target == EGL_GL_TEXTURE_2D_KHR) {
1768 uint32_t host_egl_image = image->host_egl_image;
1770 DEFINE_AND_VALIDATE_HOST_CONNECTION(EGL_FALSE);
1771 return rcEnc->rcDestroyClientImage(rcEnc, host_egl_image);
1774 setErrorReturn(EGL_BAD_PARAMETER, EGL_FALSE);
1777 #define FENCE_SYNC_HANDLE (EGLSyncKHR)0xFE4CE
1778 #define MAX_EGL_SYNC_ATTRIBS 10
1780 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type,
1781 const EGLint *attrib_list)
1783 VALIDATE_DISPLAY(dpy, EGL_NO_SYNC_KHR);
1784 DPRINT("type for eglCreateSyncKHR: 0x%x", type);
1786 DEFINE_HOST_CONNECTION;
1788 if ((type != EGL_SYNC_FENCE_KHR &&
1789 type != EGL_SYNC_NATIVE_FENCE_ANDROID) ||
1790 (type != EGL_SYNC_FENCE_KHR &&
1791 !rcEnc->hasNativeSync())) {
1792 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR);
1795 EGLThreadInfo *tInfo = getEGLThreadInfo();
1796 if (!tInfo || !tInfo->currentContext) {
1797 setErrorReturn(EGL_BAD_MATCH, EGL_NO_SYNC_KHR);
1800 int num_actual_attribs = 0;
1802 // If attrib_list is not NULL,
1803 // ensure attrib_list contains (key, value) pairs
1804 // followed by a single EGL_NONE.
1805 // Also validate attribs.
1806 int inputFenceFd = -1;
1808 for (int i = 0; i < MAX_EGL_SYNC_ATTRIBS; i += 2) {
1809 if (attrib_list[i] == EGL_NONE) {
1810 num_actual_attribs = i;
1813 if (i + 1 == MAX_EGL_SYNC_ATTRIBS) {
1814 DPRINT("ERROR: attrib list without EGL_NONE");
1815 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR);
1819 // Validate and input attribs
1820 for (int i = 0; i < num_actual_attribs; i += 2) {
1821 if (attrib_list[i] == EGL_SYNC_TYPE_KHR) {
1822 DPRINT("ERROR: attrib key = EGL_SYNC_TYPE_KHR");
1824 if (attrib_list[i] == EGL_SYNC_STATUS_KHR) {
1825 DPRINT("ERROR: attrib key = EGL_SYNC_STATUS_KHR");
1827 if (attrib_list[i] == EGL_SYNC_CONDITION_KHR) {
1828 DPRINT("ERROR: attrib key = EGL_SYNC_CONDITION_KHR");
1830 EGLint attrib_key = attrib_list[i];
1831 EGLint attrib_val = attrib_list[i + 1];
1832 if (attrib_key == EGL_SYNC_NATIVE_FENCE_FD_ANDROID) {
1833 if (attrib_val != EGL_NO_NATIVE_FENCE_FD_ANDROID) {
1834 inputFenceFd = attrib_val;
1837 DPRINT("attrib: 0x%x : 0x%x", attrib_key, attrib_val);
1841 uint64_t sync_handle = 0;
1842 int newFenceFd = -1;
1844 if (rcEnc->hasNativeSync()) {
1846 createNativeSync(type, attrib_list, num_actual_attribs,
1847 false /* don't destroy when signaled on the host;
1848 let the guest clean this up,
1849 because the guest called eglCreateSyncKHR. */,
1854 // Just trigger a glFinish if the native sync on host
1859 EGLSync_t* syncRes = new EGLSync_t(sync_handle);
1861 if (type == EGL_SYNC_NATIVE_FENCE_ANDROID) {
1862 syncRes->type = EGL_SYNC_NATIVE_FENCE_ANDROID;
1864 if (inputFenceFd < 0) {
1865 syncRes->android_native_fence_fd = newFenceFd;
1867 DPRINT("has input fence fd %d",
1869 syncRes->android_native_fence_fd = inputFenceFd;
1872 syncRes->type = EGL_SYNC_FENCE_KHR;
1873 syncRes->android_native_fence_fd = -1;
1874 if (!rcEnc->hasNativeSync()) {
1875 syncRes->status = EGL_SIGNALED_KHR;
1879 return (EGLSyncKHR)syncRes;
1882 EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR eglsync)
1887 DPRINT("WARNING: null sync object")
1891 EGLSync_t* sync = static_cast<EGLSync_t*>(eglsync);
1893 if (sync && sync->android_native_fence_fd > 0) {
1894 close(sync->android_native_fence_fd);
1895 sync->android_native_fence_fd = -1;
1899 DEFINE_HOST_CONNECTION;
1900 if (rcEnc->hasNativeSync()) {
1901 rcEnc->rcDestroySyncKHR(rcEnc, sync->handle);
1909 EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR eglsync, EGLint flags,
1915 DPRINT("WARNING: null sync object");
1916 return EGL_CONDITION_SATISFIED_KHR;
1919 EGLSync_t* sync = (EGLSync_t*)eglsync;
1921 DPRINT("sync=0x%lx (handle=0x%lx) flags=0x%x timeout=0x%llx",
1922 sync, sync->handle, flags, timeout);
1924 DEFINE_HOST_CONNECTION;
1927 if (rcEnc->hasNativeSync()) {
1928 retval = rcEnc->rcClientWaitSyncKHR
1929 (rcEnc, sync->handle, flags, timeout);
1931 retval = EGL_CONDITION_SATISFIED_KHR;
1934 switch (sync->type) {
1935 case EGL_SYNC_FENCE_KHR:
1936 res_status = EGL_SIGNALED_KHR;
1938 case EGL_SYNC_NATIVE_FENCE_ANDROID:
1939 res_status = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
1942 res_status = EGL_SIGNALED_KHR;
1944 sync->status = res_status;
1948 EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR eglsync,
1949 EGLint attribute, EGLint *value)
1953 EGLSync_t* sync = (EGLSync_t*)eglsync;
1955 switch (attribute) {
1956 case EGL_SYNC_TYPE_KHR:
1957 *value = sync->type;
1959 case EGL_SYNC_STATUS_KHR:
1960 *value = sync->status;
1962 case EGL_SYNC_CONDITION_KHR:
1963 *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
1966 setErrorReturn(EGL_BAD_ATTRIBUTE, EGL_FALSE);
1970 int eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR eglsync) {
1975 EGLSync_t* sync = (EGLSync_t*)eglsync;
1976 if (sync && sync->android_native_fence_fd > 0) {
1977 int res = dup(sync->android_native_fence_fd);
1984 // TODO: Implement EGL_KHR_wait_sync
1985 EGLint eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR eglsync, EGLint flags) {