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 25 #include "EGLClientIface.h" 26 #include "gfxstream/guest/GLClientState.h" 27 28 #if __cplusplus >= 201103L 29 #include <unordered_set> 30 #else 31 #include <hash_set> 32 #endif 33 34 #include <map> 35 36 #define ATTRIBUTE_NONE (-1) 37 //FIXME: are we in this namespace? 38 using namespace gfxstream::guest; 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 60 EGLConfig getConfigAtIndex(uint32_t index) const; 61 uint32_t getIndexOfConfig(EGLConfig config) const; 62 bool isValidConfig(EGLConfig cfg) const; 63 64 EGLBoolean getConfigAttrib(EGLConfig config, EGLint attrib, EGLint * value); 65 EGLBoolean setConfigAttrib(EGLConfig config, EGLint attrib, EGLint value); 66 EGLBoolean getConfigGLPixelFormat(EGLConfig config, GLenum * format); 67 EGLBoolean getConfigNativePixelFormat(EGLConfig config, uint32_t * format); 68 69 void dumpConfig(EGLConfig config); 70 71 void onCreateContext(EGLContext ctx); 72 void onCreateSurface(EGLSurface surface); 73 74 void onDestroyContext(EGLContext ctx); 75 void onDestroySurface(EGLSurface surface); 76 77 bool isContext(EGLContext ctx); 78 bool isSurface(EGLSurface ctx); 79 80 // Needs a current context (put this near eglMakeCurrent) 81 HostDriverCaps getHostDriverCaps(int majorVersion, int minorVersion); 82 83 private: 84 EGLClient_glesInterface *loadGLESClientAPI(const char *libName, 85 EGLClient_eglInterface *eglIface, 86 void **libHandle); 87 EGLBoolean getAttribValue(EGLConfig config, EGLint attribIdxi, EGLint * value); 88 EGLBoolean setAttribValue(EGLConfig config, EGLint attribIdxi, EGLint value); 89 void processConfigs(); 90 91 private: 92 pthread_mutex_t m_lock; 93 bool m_initialized; 94 int m_major; 95 int m_minor; 96 int m_hostRendererVersion; 97 int m_numConfigs; 98 int m_numConfigAttribs; 99 100 /* This is the mapping between an attribute name to it's index in any given config */ 101 std::map<EGLint, EGLint> m_attribs; 102 /* 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>) 103 * v[0,0],..,v[0,m_numConfigAttribs-1], 104 *... 105 * v[m_numConfigs-1,0],..,v[m_numConfigs-1,m_numConfigAttribs-1] 106 */ 107 EGLint *m_configs; 108 EGLClient_glesInterface *m_gles_iface; 109 EGLClient_glesInterface *m_gles2_iface; 110 char *m_versionString; 111 char *m_vendorString; 112 char *m_extensionString; 113 114 #if __cplusplus >= 201103L 115 typedef std::unordered_set<EGLContext> EGLContextSet; 116 typedef std::unordered_set<EGLSurface> EGLSurfaceSet; 117 #else 118 typedef std::hash_set<EGLContext> EGLContextSet; 119 typedef std::hash_set<EGLSurface> EGLSurfaceSet; 120 #endif 121 EGLContextSet m_contexts; 122 EGLSurfaceSet m_surfaces; 123 pthread_mutex_t m_ctxLock; 124 pthread_mutex_t m_surfaceLock; 125 126 int m_hostDriverCaps_knownMajorVersion; 127 int m_hostDriverCaps_knownMinorVersion; 128 HostDriverCaps m_hostDriverCaps; 129 }; 130 131 #endif 132