framework/egl/egluGLFunctionLoader.cpp

   1 /*-------------------------------------------------------------------------
   2  * drawElements Quality Program EGL Module
   3  * ---------------------------------------
   4  *
   5  * Copyright 2014 The Android Open Source Project
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  *//*!
  20  * \file
  21  * \brief glw::FunctionLoader using eglGetProcAddress() and tcu::Library.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "egluGLFunctionLoader.hpp"
  25 #include "egluPlatform.hpp"
  26 #include "eglwLibrary.hpp"
  27 #include "tcuFunctionLibrary.hpp"
  28
  29 namespace eglu
  30 {
  31
  32 GLFunctionLoader::GLFunctionLoader (const eglw::Library& egl, const tcu::FunctionLibrary* library)
  33         : m_egl         (egl)
  34         , m_library     (library)
  35 {
  36 }
  37
  38 glw::GenericFuncType GLFunctionLoader::get (const char* name) const
  39 {
  40         glw::GenericFuncType func = (glw::GenericFuncType)m_library->getFunction(name);
  41
  42         if (!func)
  43                 return (glw::GenericFuncType)m_egl.getProcAddress(name);
  44         else
  45                 return func;
  46 }
  47
  48 GLLibraryCache::GLLibraryCache (const Platform& platform, const tcu::CommandLine& cmdLine)
  49         : m_platform    (platform)
  50         , m_cmdLine             (cmdLine)
  51 {
  52 }
  53
  54 GLLibraryCache::~GLLibraryCache (void)
  55 {
  56         for (LibraryMap::iterator i = m_libraries.begin(); i != m_libraries.end(); ++i)
  57                 delete i->second;
  58 }
  59
  60 const tcu::FunctionLibrary* GLLibraryCache::getLibrary (glu::ApiType apiType)
  61 {
  62         tcu::FunctionLibrary*   library = DE_NULL;
  63         const deUint32                  key             = apiType.getPacked();
  64         LibraryMap::iterator    iter    = m_libraries.find(key);
  65
  66         if (iter == m_libraries.end())
  67         {
  68                 library = m_platform.createDefaultGLFunctionLibrary(apiType, m_cmdLine);
  69                 try
  70                 {
  71                         m_libraries.insert(std::make_pair(key, library));
  72                 }
  73                 catch (...)
  74                 {
  75                         delete library;
  76                         throw;
  77                 }
  78         }
  79         else
  80                 library = iter->second;
  81
  82         return library;
  83 }
  84
  85 } // eglu