1 /* 2 * Copyright (C) 2011 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 #ifndef _SYSTEM_EGL_DISPLAY_H 17 #define _SYSTEM_EGL_DISPLAY_H 18 19 #include <assert.h> 20 #include <pthread.h> 21 #include "glUtils.h" 22 #include <EGL/egl.h> 23 #include <EGL/eglext.h> 24 #include "EGLClientIface.h" 25 26 #if __cplusplus >= 201103L 27 #include <unordered_set> 28 #else 29 #include <hash_set> 30 #endif 31 32 #include <map> 33 34 #include <ui/PixelFormat.h> 35 36 #define ATTRIBUTE_NONE (-1) 37 //FIXME: are we in this namespace? 38 using namespace android; 39 40 class eglDisplay 41 { 42 public: 43 eglDisplay(); 44 ~eglDisplay(); 45 46 bool initialize(EGLClient_eglInterface *eglIface); 47 void terminate(); 48 getVersionMajor()49 int getVersionMajor() const { return m_major; } getVersionMinor()50 int getVersionMinor() const { return m_minor; } initialized()51 bool initialized() const { return m_initialized; } 52 53 const char *queryString(EGLint name); 54 gles_iface()55 const EGLClient_glesInterface *gles_iface() const { return m_gles_iface; } gles2_iface()56 const EGLClient_glesInterface *gles2_iface() const { return m_gles2_iface; } 57 getNumConfigs()58 int getNumConfigs(){ return m_numConfigs; } 59 EGLBoolean getConfigAttrib(EGLConfig config, EGLint attrib, EGLint * value); 60 EGLBoolean setConfigAttrib(EGLConfig config, EGLint attrib, EGLint value); 61 EGLBoolean getConfigGLPixelFormat(EGLConfig config, GLenum * format); 62 EGLBoolean getConfigNativePixelFormat(EGLConfig config, PixelFormat * format); 63 64 void dumpConfig(EGLConfig config); 65 66 void onCreateContext(EGLContext ctx); 67 void onCreateSurface(EGLSurface surface); 68 69 void onDestroyContext(EGLContext ctx); 70 void onDestroySurface(EGLSurface surface); 71 72 bool isContext(EGLContext ctx); 73 bool isSurface(EGLSurface ctx); 74 private: 75 EGLClient_glesInterface *loadGLESClientAPI(const char *libName, 76 EGLClient_eglInterface *eglIface, 77 void **libHandle); 78 EGLBoolean getAttribValue(EGLConfig config, EGLint attribIdxi, EGLint * value); 79 EGLBoolean setAttribValue(EGLConfig config, EGLint attribIdxi, EGLint value); 80 void processConfigs(); 81 82 private: 83 pthread_mutex_t m_lock; 84 bool m_initialized; 85 int m_major; 86 int m_minor; 87 int m_hostRendererVersion; 88 int m_numConfigs; 89 int m_numConfigAttribs; 90 91 /* This is the mapping between an attribute name to it's index in any given config */ 92 std::map<EGLint, EGLint> m_attribs; 93 /* This is an array of all config's attributes values stored in the following sequencial fasion (read: v[c,a] = the value of attribute <a> of config <c>) 94 * v[0,0],..,v[0,m_numConfigAttribs-1], 95 *... 96 * v[m_numConfigs-1,0],..,v[m_numConfigs-1,m_numConfigAttribs-1] 97 */ 98 EGLint *m_configs; 99 EGLClient_glesInterface *m_gles_iface; 100 EGLClient_glesInterface *m_gles2_iface; 101 char *m_versionString; 102 char *m_vendorString; 103 char *m_extensionString; 104 105 #if __cplusplus >= 201103L 106 typedef std::unordered_set<EGLContext> EGLContextSet; 107 typedef std::unordered_set<EGLSurface> EGLSurfaceSet; 108 #else 109 typedef std::hash_set<EGLContext> EGLContextSet; 110 typedef std::hash_set<EGLSurface> EGLSurfaceSet; 111 #endif 112 EGLContextSet m_contexts; 113 EGLSurfaceSet m_surfaces; 114 pthread_mutex_t m_ctxLock; 115 pthread_mutex_t m_surfaceLock; 116 }; 117 118 #endif 119