egl/eglrefimpl/src/entrypoints.cpp
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     1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Reference EGL implementation to support EGL sync objects and OpenWF extensions
       
    15 
       
    16 #include "eglprivate.h"
       
    17 
       
    18 // Helper macros
       
    19 //
       
    20 #define GET_THREAD_SESSION(s,r) CEglThreadSession* s = CEglThreadSession::Static(); \
       
    21                                 if (!s) \
       
    22                                     { \
       
    23                                     return r; \
       
    24                                     }
       
    25 
       
    26 #define PANIC_NOT_SUPPORTED     User::Panic(KEglPanicCategory, EEglPanicNotSupported); \
       
    27                                 return 0;
       
    28 
       
    29 // EGL API entrypoints
       
    30 //
       
    31 EXPORT_C EGLDisplay eglGetDisplay(NativeDisplayType display_id)
       
    32 	{
       
    33 	GET_THREAD_SESSION(session, EGL_NO_DISPLAY)
       
    34 	return session->EglGetDisplay(display_id);
       
    35 	}
       
    36 
       
    37 EXPORT_C EGLBoolean eglInitialize(EGLDisplay dpy, EGLint* major, EGLint* minor)
       
    38 	{
       
    39 	GET_THREAD_SESSION(session, EGL_FALSE)
       
    40 	return session->EglInitialize(dpy, major, minor);
       
    41 	}
       
    42 
       
    43 EXPORT_C EGLBoolean eglTerminate(EGLDisplay dpy)
       
    44 	{
       
    45 	GET_THREAD_SESSION(session, EGL_FALSE)
       
    46 	return session->EglTerminate(dpy);
       
    47 	}
       
    48 
       
    49 EXPORT_C EGLBoolean eglReleaseThread(void)
       
    50 	{
       
    51 	// do not call CEglThreadSession::Static() here as it may create thread state if it does not exist
       
    52 	//
       
    53 	CEglThreadSession* session = reinterpret_cast<CEglThreadSession*>(Dll::Tls());
       
    54 	if (session)
       
    55 		{
       
    56 		delete session;
       
    57 		Dll::FreeTls();
       
    58 		}
       
    59 
       
    60 	return EGL_TRUE;
       
    61 	}
       
    62 
       
    63 EXPORT_C EGLint eglGetError(void)
       
    64 	{
       
    65 	// EGL spec section 3.11: GetError will create thread state object, 
       
    66 	// it is recommended not to call this API immediately after calling ReleaseThread
       
    67 	// for that reason.
       
    68 	// If session creation fails, we returns BAD_ALLOC
       
    69 	//
       
    70 	GET_THREAD_SESSION(session, EGL_BAD_ALLOC)
       
    71 	return session->EglGetError();
       
    72 	}
       
    73 
       
    74 EXPORT_C const char* eglQueryString(EGLDisplay dpy, EGLint name)
       
    75 	{
       
    76 	GET_THREAD_SESSION(session, NULL)
       
    77 	return session->EglQueryString(dpy, name);
       
    78 	}
       
    79 
       
    80 EXPORT_C TFuncPtrEglProc eglGetProcAddress (const char *procname)
       
    81 	{
       
    82 	GET_THREAD_SESSION(session, NULL)
       
    83 	return session->EglGetProcAddress(procname);
       
    84 	}
       
    85 
       
    86 // Unsupported EGL APIs
       
    87 //
       
    88 EXPORT_C EGLBoolean eglGetConfigs(EGLDisplay /*dpy*/, EGLConfig */*configs*/,
       
    89 			 EGLint /*config_size*/, EGLint */*num_config*/)
       
    90 	{
       
    91 	PANIC_NOT_SUPPORTED
       
    92 	}
       
    93 
       
    94 EXPORT_C EGLBoolean eglChooseConfig(EGLDisplay /*dpy*/, const EGLint */*attrib_list*/,
       
    95 			   EGLConfig */*configs*/, EGLint /*config_size*/,
       
    96 			   EGLint */*num_config*/)
       
    97 	{
       
    98 	PANIC_NOT_SUPPORTED
       
    99 	}
       
   100 	
       
   101 EXPORT_C EGLBoolean eglGetConfigAttrib(EGLDisplay /*dpy*/, EGLConfig /*config*/,
       
   102 			      EGLint /*attribute*/, EGLint */*value*/)
       
   103 	{
       
   104 	PANIC_NOT_SUPPORTED	
       
   105 	}
       
   106 
       
   107 EXPORT_C EGLSurface eglCreateWindowSurface(EGLDisplay /*dpy*/, EGLConfig /*config*/,
       
   108 				  EGLNativeWindowType /*win*/,
       
   109 				  const EGLint */*attrib_list*/)
       
   110 	{
       
   111 	PANIC_NOT_SUPPORTED	
       
   112 	}
       
   113 
       
   114 EXPORT_C EGLSurface eglCreatePbufferSurface(EGLDisplay /*dpy*/, EGLConfig /*config*/,
       
   115 				   const EGLint */*attrib_list*/)
       
   116 	{
       
   117 	PANIC_NOT_SUPPORTED
       
   118 	}
       
   119 
       
   120 EXPORT_C EGLSurface eglCreatePixmapSurface(EGLDisplay /*dpy*/, EGLConfig /*config*/,
       
   121 				  EGLNativePixmapType /*pixmap*/,
       
   122 				  const EGLint */*attrib_list*/)
       
   123 	{
       
   124 	PANIC_NOT_SUPPORTED
       
   125 	}
       
   126 
       
   127 EXPORT_C EGLBoolean eglDestroySurface(EGLDisplay /*dpy*/, EGLSurface /*surface*/)
       
   128 	{
       
   129 	PANIC_NOT_SUPPORTED
       
   130 	}
       
   131 
       
   132 EXPORT_C EGLBoolean eglQuerySurface(EGLDisplay /*dpy*/, EGLSurface /*surface*/,
       
   133 			   EGLint /*attribute*/, EGLint */*value*/)
       
   134 	{
       
   135 	PANIC_NOT_SUPPORTED
       
   136 	}
       
   137 
       
   138 EXPORT_C EGLBoolean eglBindAPI(EGLenum /*api*/)
       
   139 	{
       
   140 	PANIC_NOT_SUPPORTED
       
   141 	}
       
   142 
       
   143 EXPORT_C EGLenum eglQueryAPI(void)
       
   144 	{
       
   145 	PANIC_NOT_SUPPORTED	
       
   146 	}
       
   147 
       
   148 EXPORT_C EGLBoolean eglWaitClient(void)
       
   149 	{
       
   150 	PANIC_NOT_SUPPORTED	
       
   151 	}
       
   152 
       
   153 EXPORT_C EGLSurface eglCreatePbufferFromClientBuffer(
       
   154 	      EGLDisplay /*dpy*/, EGLenum /*buftype*/, EGLClientBuffer /*buffer*/,
       
   155 	      EGLConfig /*config*/, const EGLint */*attrib_list*/)
       
   156 	{
       
   157 	PANIC_NOT_SUPPORTED
       
   158 	}
       
   159 
       
   160 EXPORT_C EGLBoolean eglSurfaceAttrib(EGLDisplay /*dpy*/, EGLSurface /*surface*/,
       
   161 			    EGLint /*attribute*/, EGLint /*value*/)
       
   162 	{
       
   163 	PANIC_NOT_SUPPORTED	
       
   164 	}
       
   165 
       
   166 EXPORT_C EGLBoolean eglBindTexImage(EGLDisplay /*dpy*/, EGLSurface /*surface*/, EGLint /*buffer*/)
       
   167 	{
       
   168 	PANIC_NOT_SUPPORTED
       
   169 	}
       
   170 
       
   171 EXPORT_C EGLBoolean eglReleaseTexImage(EGLDisplay /*dpy*/, EGLSurface /*surface*/, EGLint /*buffer*/)
       
   172 	{
       
   173 	PANIC_NOT_SUPPORTED
       
   174 	}
       
   175 
       
   176 EXPORT_C EGLBoolean eglSwapInterval(EGLDisplay /*dpy*/, EGLint /*interval*/)
       
   177 	{
       
   178 	PANIC_NOT_SUPPORTED
       
   179 	}
       
   180 
       
   181 EXPORT_C EGLContext eglCreateContext(EGLDisplay /*dpy*/, EGLConfig /*config*/,
       
   182 			    EGLContext /*share_context*/,
       
   183 			    const EGLint */*attrib_list*/)
       
   184 	{
       
   185 	PANIC_NOT_SUPPORTED
       
   186 	}
       
   187 
       
   188 EXPORT_C EGLBoolean eglDestroyContext(EGLDisplay /*dpy*/, EGLContext /*ctx*/)
       
   189 	{
       
   190 	PANIC_NOT_SUPPORTED	
       
   191 	}
       
   192 
       
   193 EXPORT_C EGLBoolean eglMakeCurrent(EGLDisplay /*dpy*/, EGLSurface /*draw*/,
       
   194 			  EGLSurface /*read*/, EGLContext /*ctx*/)
       
   195 	{
       
   196 	PANIC_NOT_SUPPORTED	
       
   197 	}
       
   198 
       
   199 EXPORT_C EGLContext eglGetCurrentContext(void)
       
   200 	{
       
   201 	PANIC_NOT_SUPPORTED
       
   202 	}
       
   203 
       
   204 EXPORT_C EGLSurface eglGetCurrentSurface(EGLint /*readdraw*/)
       
   205 	{
       
   206 	PANIC_NOT_SUPPORTED
       
   207 	}
       
   208 
       
   209 EXPORT_C EGLDisplay eglGetCurrentDisplay(void)
       
   210 	{
       
   211 	PANIC_NOT_SUPPORTED
       
   212 	}
       
   213 
       
   214 EXPORT_C EGLBoolean eglQueryContext(EGLDisplay /*dpy*/, EGLContext /*ctx*/,
       
   215 			   EGLint /*attribute*/, EGLint */*value*/)
       
   216 	{
       
   217 	PANIC_NOT_SUPPORTED
       
   218 	}
       
   219 
       
   220 EXPORT_C EGLBoolean eglWaitGL(void)
       
   221 	{
       
   222 	PANIC_NOT_SUPPORTED
       
   223 	}
       
   224 
       
   225 EXPORT_C EGLBoolean eglWaitNative(EGLint /*engine*/)
       
   226 	{
       
   227 	PANIC_NOT_SUPPORTED
       
   228 	}
       
   229 
       
   230 EXPORT_C EGLBoolean eglSwapBuffers(EGLDisplay /*dpy*/, EGLSurface /*surface*/)
       
   231 	{
       
   232 	PANIC_NOT_SUPPORTED
       
   233 	}
       
   234 
       
   235 EXPORT_C EGLBoolean eglCopyBuffers(EGLDisplay /*dpy*/, EGLSurface /*surface*/,
       
   236 			  EGLNativePixmapType /*target*/)
       
   237 	{
       
   238 	PANIC_NOT_SUPPORTED
       
   239 	}
       
   240 
       
   241 // EGL_KHR_reusable_sync APIs
       
   242 //
       
   243 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
       
   244     {
       
   245     GET_THREAD_SESSION(session, EGL_NO_SYNC_KHR)
       
   246     return session->EglCreateSyncKhr(dpy, type, attrib_list);
       
   247     }
       
   248 
       
   249 EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
       
   250     {
       
   251     GET_THREAD_SESSION(session, EGL_FALSE)
       
   252     return session->EglDestroySyncKhr(dpy, sync);
       
   253     }
       
   254 
       
   255 EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout)
       
   256     {
       
   257     GET_THREAD_SESSION(session, EGL_FALSE)
       
   258     return session->EglClientWaitSyncKhr(dpy, sync, flags, timeout);
       
   259     }
       
   260 
       
   261 EGLBoolean eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode)
       
   262     {
       
   263     GET_THREAD_SESSION(session, EGL_FALSE)
       
   264     return session->EglSignalSyncKhr(dpy, sync, mode);
       
   265     }
       
   266 
       
   267 EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value)
       
   268     {
       
   269     GET_THREAD_SESSION(session, EGL_FALSE)
       
   270     return session->EglGetSyncAttribKhr(dpy, sync, attribute, value);
       
   271     }
       
   272 
       
   273 // Private extensions
       
   274 //
       
   275 EGLint egl_Private_SignalSyncNOK(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode)
       
   276     {
       
   277     GET_THREAD_SESSION(session, EGL_BAD_ALLOC)
       
   278     return session->EglSignalSyncInternal(dpy, sync, mode);
       
   279     }
       
   280 
       
   281 // Debug APIs
       
   282 //
       
   283 #ifdef _DEBUG
       
   284 
       
   285 #define GET_THREAD_SESSION_ASSERT(s)    CEglThreadSession* s = CEglThreadSession::Static(); \
       
   286                                         __ASSERT_DEBUG(s, User::Panic(KEglPanicCategory, EEglPanicInvalidSession));
       
   287 
       
   288 void egliDebugHeapMarkStart()
       
   289     {
       
   290     GET_THREAD_SESSION_ASSERT(session)
       
   291     session->EglHeapMarkStart();
       
   292     }
       
   293 
       
   294 EGLint egliDebugHeapMarkEnd(EGLint count)
       
   295     {
       
   296     GET_THREAD_SESSION_ASSERT(session)    
       
   297     return session->EglHeapMarkEnd(count);
       
   298     }
       
   299 
       
   300 void egliDebugSetBurstAllocFail(EGLenum type, EGLint rate, EGLint burst)
       
   301     {
       
   302     GET_THREAD_SESSION_ASSERT(session)
       
   303     session->EglHeapSetBurstAllocFail(type, rate, burst);
       
   304 }
       
   305 #endif //_DEBUG