xref: /aosp_15_r20/external/deqp/framework/egl/egluGLFunctionLoader.cpp (revision 35238bce31c2a825756842865a792f8cf7f89930)
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 
GLFunctionLoader(const eglw::Library & egl,const tcu::FunctionLibrary * library)32 GLFunctionLoader::GLFunctionLoader(const eglw::Library &egl, const tcu::FunctionLibrary *library)
33     : m_egl(egl)
34     , m_library(library)
35 {
36 }
37 
get(const char * name) const38 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 
GLLibraryCache(const Platform & platform,const tcu::CommandLine & cmdLine)48 GLLibraryCache::GLLibraryCache(const Platform &platform, const tcu::CommandLine &cmdLine)
49     : m_platform(platform)
50     , m_cmdLine(cmdLine)
51 {
52 }
53 
~GLLibraryCache(void)54 GLLibraryCache::~GLLibraryCache(void)
55 {
56     for (LibraryMap::iterator i = m_libraries.begin(); i != m_libraries.end(); ++i)
57         delete i->second;
58 }
59 
getLibrary(glu::ApiType apiType)60 const tcu::FunctionLibrary *GLLibraryCache::getLibrary(glu::ApiType apiType)
61 {
62     tcu::FunctionLibrary *library = DE_NULL;
63     const uint32_t 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 } // namespace eglu
86