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 <pthread.h> 20 #include "glUtils.h" 21 #include <EGL/egl.h> 22 #include <EGL/eglext.h> 23 #include "EGLClientIface.h" 24 #include <utils/KeyedVector.h> 25 26 #include <ui/PixelFormat.h> 27 28 #define ATTRIBUTE_NONE -1 29 //FIXME: are we in this namespace? 30 using namespace android; 31 32 class eglDisplay 33 { 34 public: 35 eglDisplay(); 36 ~eglDisplay(); 37 38 bool initialize(EGLClient_eglInterface *eglIface); 39 void terminate(); 40 41 int getVersionMajor() const { return m_major; } 42 int getVersionMinor() const { return m_minor; } 43 bool initialized() const { return m_initialized; } 44 45 const char *queryString(EGLint name); 46 47 const EGLClient_glesInterface *gles_iface() const { return m_gles_iface; } 48 const EGLClient_glesInterface *gles2_iface() const { return m_gles2_iface; } 49 50 int getNumConfigs(){ return m_numConfigs; } 51 EGLBoolean getConfigAttrib(EGLConfig config, EGLint attrib, EGLint * value); 52 EGLBoolean setConfigAttrib(EGLConfig config, EGLint attrib, EGLint value); 53 EGLBoolean getConfigGLPixelFormat(EGLConfig config, GLenum * format); 54 EGLBoolean getConfigNativePixelFormat(EGLConfig config, PixelFormat * format); 55 56 void dumpConfig(EGLConfig config); 57 private: 58 EGLClient_glesInterface *loadGLESClientAPI(const char *libName, 59 EGLClient_eglInterface *eglIface, 60 void **libHandle); 61 EGLBoolean getAttribValue(EGLConfig config, EGLint attribIdxi, EGLint * value); 62 EGLBoolean setAttribValue(EGLConfig config, EGLint attribIdxi, EGLint value); 63 void processConfigs(); 64 65 private: 66 pthread_mutex_t m_lock; 67 bool m_initialized; 68 int m_major; 69 int m_minor; 70 int m_hostRendererVersion; 71 int m_numConfigs; 72 int m_numConfigAttribs; 73 74 /* This is the mapping between an attribute name to it's index in any given config */ 75 DefaultKeyedVector<EGLint, EGLint> m_attribs; 76 /* 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>) 77 * v[0,0],..,v[0,m_numConfigAttribs-1], 78 *... 79 * v[m_numConfigs-1,0],..,v[m_numConfigs-1,m_numConfigAttribs-1] 80 */ 81 EGLint *m_configs; 82 EGLClient_glesInterface *m_gles_iface; 83 EGLClient_glesInterface *m_gles2_iface; 84 char *m_versionString; 85 char *m_vendorString; 86 char *m_extensionString; 87 }; 88 89 #endif 90
