1/* 2 ** Copyright 2007, The Android Open Source Project 3 ** 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 7 ** 8 ** http://www.apache.org/licenses/LICENSE-2.0 9 ** 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. 15 */ 16 17#include <ctype.h> 18#include <stdint.h> 19#include <stdlib.h> 20 21#include <EGL/egl.h> 22#include <EGL/eglext.h> 23 24#include <utils/threads.h> 25 26#include "egl_object.h" 27 28// ---------------------------------------------------------------------------- 29namespace android { 30// ---------------------------------------------------------------------------- 31 32egl_object_t::egl_object_t(egl_display_t* disp) : 33 display(disp), count(1) { 34 // NOTE: this does an implicit incRef 35 display->addObject(this); 36} 37 38egl_object_t::~egl_object_t() { 39} 40 41void egl_object_t::terminate() { 42 // this marks the object as "terminated" 43 display->removeObject(this); 44 if (decRef() == 1) { 45 // shouldn't happen because this is called from LocalRef 46 ALOGE("egl_object_t::terminate() removed the last reference!"); 47 } 48} 49 50void egl_object_t::destroy() { 51 if (decRef() == 1) { 52 delete this; 53 } 54} 55 56bool egl_object_t::get(egl_display_t const* display, egl_object_t* object) { 57 // used by LocalRef, this does an incRef() atomically with 58 // checking that the object is valid. 59 return display->getObject(object); 60} 61 62// ---------------------------------------------------------------------------- 63 64egl_surface_t::egl_surface_t(egl_display_t* dpy, EGLConfig config, 65 EGLNativeWindowType win, EGLSurface surface, 66 egl_connection_t const* cnx) : 67 egl_object_t(dpy), surface(surface), config(config), win(win), cnx(cnx) 68{ 69 if (win) { 70 getDisplay()->onWindowSurfaceCreated(); 71 } 72} 73 74egl_surface_t::~egl_surface_t() { 75 ANativeWindow* const window = win.get(); 76 if (window != NULL) { 77 native_window_set_buffers_format(window, 0); 78 if (native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL)) { 79 ALOGW("EGLNativeWindowType %p disconnect failed", window); 80 } 81 getDisplay()->onWindowSurfaceDestroyed(); 82 } 83} 84 85// ---------------------------------------------------------------------------- 86 87egl_context_t::egl_context_t(EGLDisplay dpy, EGLContext context, EGLConfig config, 88 egl_connection_t const* cnx, int version) : 89 egl_object_t(get_display_nowake(dpy)), dpy(dpy), context(context), 90 config(config), read(0), draw(0), cnx(cnx), version(version) { 91} 92 93void egl_context_t::onLooseCurrent() { 94 read = NULL; 95 draw = NULL; 96} 97 98void egl_context_t::onMakeCurrent(EGLSurface draw, EGLSurface read) { 99 this->read = read; 100 this->draw = draw; 101 102 /* 103 * Here we cache the GL_EXTENSIONS string for this context and we 104 * add the extensions always handled by the wrapper 105 */ 106 107 if (gl_extensions.isEmpty()) { 108 // call the implementation's glGetString(GL_EXTENSIONS) 109 const char* exts = (const char *)gEGLImpl.hooks[version]->gl.glGetString(GL_EXTENSIONS); 110 gl_extensions.setTo(exts); 111 if (gl_extensions.find("GL_EXT_debug_marker") < 0) { 112 String8 temp("GL_EXT_debug_marker "); 113 temp.append(gl_extensions); 114 gl_extensions.setTo(temp); 115 } 116 } 117} 118 119// ---------------------------------------------------------------------------- 120}; // namespace android 121// ---------------------------------------------------------------------------- 122