5b287a6ea8
as specified by the EGL specification, terminated objects's handles become invalid, the objects themselves are destroyed when they're not current to some thread. Change-Id: Id3a4a5736a5bbc3926a9ae8385d43772edb88eeb
277 lines
8.8 KiB
C++
277 lines
8.8 KiB
C++
/*
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** Copyright 2007, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include "egl_display.h"
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#include "egl_object.h"
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#include "egl_tls.h"
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#include "egl_impl.h"
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#include "Loader.h"
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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extern void initEglTraceLevel();
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extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
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static int cmp_configs(const void* a, const void *b) {
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const egl_config_t& c0 = *(egl_config_t const *)a;
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const egl_config_t& c1 = *(egl_config_t const *)b;
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return c0<c1 ? -1 : (c1<c0 ? 1 : 0);
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}
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// ----------------------------------------------------------------------------
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egl_display_t egl_display_t::sDisplay[NUM_DISPLAYS];
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egl_display_t::egl_display_t() :
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magic('_dpy'), numTotalConfigs(0), configs(0), refs(0) {
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}
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egl_display_t::~egl_display_t() {
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magic = 0;
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}
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egl_display_t* egl_display_t::get(EGLDisplay dpy) {
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uintptr_t index = uintptr_t(dpy)-1U;
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return (index >= NUM_DISPLAYS) ? NULL : &sDisplay[index];
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}
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void egl_display_t::addObject(egl_object_t* object) {
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Mutex::Autolock _l(lock);
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objects.add(object);
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}
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void egl_display_t::removeObject(egl_object_t* object) {
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Mutex::Autolock _l(lock);
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objects.remove(object);
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}
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bool egl_display_t::getObject(egl_object_t* object) {
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Mutex::Autolock _l(lock);
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if (objects.indexOf(object) >= 0) {
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object->incRef();
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return true;
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}
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return false;
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}
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EGLDisplay egl_display_t::getFromNativeDisplay(EGLNativeDisplayType disp) {
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if (uintptr_t(disp) >= NUM_DISPLAYS)
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return NULL;
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return sDisplay[uintptr_t(disp)].getDisplay(disp);
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}
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EGLDisplay egl_display_t::getDisplay(EGLNativeDisplayType display) {
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Mutex::Autolock _l(lock);
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// get our driver loader
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Loader& loader(Loader::getInstance());
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for (int i = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) {
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egl_connection_t* const cnx = &gEGLImpl[i];
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if (cnx->dso && disp[i].dpy == EGL_NO_DISPLAY) {
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EGLDisplay dpy = cnx->egl.eglGetDisplay(display);
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disp[i].dpy = dpy;
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if (dpy == EGL_NO_DISPLAY) {
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loader.close(cnx->dso);
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cnx->dso = NULL;
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}
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}
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}
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return EGLDisplay(uintptr_t(display) + 1U);
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}
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EGLBoolean egl_display_t::initialize(EGLint *major, EGLint *minor) {
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Mutex::Autolock _l(lock);
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if (refs > 0) {
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if (major != NULL)
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*major = VERSION_MAJOR;
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if (minor != NULL)
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*minor = VERSION_MINOR;
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refs++;
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return EGL_TRUE;
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}
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#if EGL_TRACE
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// Called both at early_init time and at this time. (Early_init is pre-zygote, so
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// the information from that call may be stale.)
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initEglTraceLevel();
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#endif
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setGLHooksThreadSpecific(&gHooksNoContext);
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// initialize each EGL and
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// build our own extension string first, based on the extension we know
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// and the extension supported by our client implementation
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for (int i = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) {
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egl_connection_t* const cnx = &gEGLImpl[i];
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cnx->major = -1;
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cnx->minor = -1;
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if (!cnx->dso)
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continue;
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#if defined(ADRENO130)
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#warning "Adreno-130 eglInitialize() workaround"
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/*
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* The ADRENO 130 driver returns a different EGLDisplay each time
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* eglGetDisplay() is called, but also makes the EGLDisplay invalid
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* after eglTerminate() has been called, so that eglInitialize()
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* cannot be called again. Therefore, we need to make sure to call
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* eglGetDisplay() before calling eglInitialize();
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*/
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if (i == IMPL_HARDWARE) {
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disp[i].dpy =
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cnx->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY);
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}
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#endif
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EGLDisplay idpy = disp[i].dpy;
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if (cnx->egl.eglInitialize(idpy, &cnx->major, &cnx->minor)) {
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//LOGD("initialized %d dpy=%p, ver=%d.%d, cnx=%p",
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// i, idpy, cnx->major, cnx->minor, cnx);
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// display is now initialized
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disp[i].state = egl_display_t::INITIALIZED;
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// get the query-strings for this display for each implementation
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disp[i].queryString.vendor = cnx->egl.eglQueryString(idpy,
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EGL_VENDOR);
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disp[i].queryString.version = cnx->egl.eglQueryString(idpy,
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EGL_VERSION);
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disp[i].queryString.extensions = cnx->egl.eglQueryString(idpy,
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EGL_EXTENSIONS);
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disp[i].queryString.clientApi = cnx->egl.eglQueryString(idpy,
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EGL_CLIENT_APIS);
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} else {
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LOGW("%d: eglInitialize(%p) failed (%s)", i, idpy,
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egl_tls_t::egl_strerror(cnx->egl.eglGetError()));
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}
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}
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EGLBoolean res = EGL_FALSE;
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for (int i = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) {
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egl_connection_t* const cnx = &gEGLImpl[i];
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if (cnx->dso && cnx->major >= 0 && cnx->minor >= 0) {
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EGLint n;
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if (cnx->egl.eglGetConfigs(disp[i].dpy, 0, 0, &n)) {
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disp[i].config = (EGLConfig*) malloc(sizeof(EGLConfig) * n);
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if (disp[i].config) {
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if (cnx->egl.eglGetConfigs(disp[i].dpy, disp[i].config, n,
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&disp[i].numConfigs)) {
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numTotalConfigs += n;
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res = EGL_TRUE;
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}
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}
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}
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}
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}
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if (res == EGL_TRUE) {
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configs = new egl_config_t[numTotalConfigs];
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for (int i = 0, k = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) {
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egl_connection_t* const cnx = &gEGLImpl[i];
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if (cnx->dso && cnx->major >= 0 && cnx->minor >= 0) {
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for (int j = 0; j < disp[i].numConfigs; j++) {
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configs[k].impl = i;
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configs[k].config = disp[i].config[j];
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configs[k].configId = k + 1; // CONFIG_ID start at 1
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// store the implementation's CONFIG_ID
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cnx->egl.eglGetConfigAttrib(disp[i].dpy, disp[i].config[j],
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EGL_CONFIG_ID, &configs[k].implConfigId);
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k++;
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}
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}
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}
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// sort our configurations so we can do binary-searches
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qsort(configs, numTotalConfigs, sizeof(egl_config_t), cmp_configs);
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refs++;
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if (major != NULL)
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*major = VERSION_MAJOR;
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if (minor != NULL)
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*minor = VERSION_MINOR;
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return EGL_TRUE;
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}
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return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
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}
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EGLBoolean egl_display_t::terminate() {
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Mutex::Autolock _l(lock);
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if (refs == 0) {
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return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
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}
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// this is specific to Android, display termination is ref-counted.
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if (refs > 1) {
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refs--;
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return EGL_TRUE;
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}
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EGLBoolean res = EGL_FALSE;
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for (int i = 0; i < IMPL_NUM_IMPLEMENTATIONS; i++) {
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egl_connection_t* const cnx = &gEGLImpl[i];
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if (cnx->dso && disp[i].state == egl_display_t::INITIALIZED) {
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if (cnx->egl.eglTerminate(disp[i].dpy) == EGL_FALSE) {
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LOGW("%d: eglTerminate(%p) failed (%s)", i, disp[i].dpy,
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egl_tls_t::egl_strerror(cnx->egl.eglGetError()));
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}
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// REVISIT: it's unclear what to do if eglTerminate() fails
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free(disp[i].config);
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disp[i].numConfigs = 0;
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disp[i].config = 0;
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disp[i].state = egl_display_t::TERMINATED;
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res = EGL_TRUE;
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}
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}
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// Mark all objects remaining in the list as terminated, unless
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// there are no reference to them, it which case, we're free to
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// delete them.
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size_t count = objects.size();
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LOGW_IF(count, "eglTerminate() called w/ %d objects remaining", count);
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for (size_t i=0 ; i<count ; i++) {
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egl_object_t* o = objects.itemAt(i);
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o->destroy();
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}
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// this marks all object handles are "terminated"
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objects.clear();
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refs--;
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numTotalConfigs = 0;
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delete[] configs;
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return res;
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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// ----------------------------------------------------------------------------
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