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108 lines
2.2 KiB
108 lines
2.2 KiB
/*-------------------------------------------------------------------------
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* drawElements Quality Program OpenGL Utilities
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* ---------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief OpenGL wrapper implementation.
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*//*--------------------------------------------------------------------*/
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#include "glwWrapper.hpp"
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#include "glwFunctions.hpp"
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#include "deThreadLocal.h"
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#include <stdexcept>
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DE_BEGIN_EXTERN_C
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#include "glwTypes.inl"
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#include "glwEnums.inl"
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DE_END_EXTERN_C
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namespace glw
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{
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#if defined(DE_THREAD_LOCAL)
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// Thread-local current function table.
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DE_THREAD_LOCAL const glw::Functions* s_functions = DE_NULL;
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void setCurrentThreadFunctions (const glw::Functions* gl)
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{
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s_functions = gl;
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}
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inline const glw::Functions* getCurrentThreadFunctions (void)
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{
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return s_functions;
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}
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#else // defined(DE_THREAD_LOCAL)
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namespace
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{
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class FunctionTLSPtr
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{
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public:
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FunctionTLSPtr (void)
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: m_ptr(deThreadLocal_create())
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{
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if (!m_ptr)
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throw std::runtime_error("glw: TLS allocation failed");
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}
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inline void set (const glw::Functions* gl)
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{
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deThreadLocal_set(m_ptr, (void*)gl);
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}
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inline const glw::Functions* get (void) const
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{
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return (const glw::Functions*)deThreadLocal_get(m_ptr);
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}
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private:
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deThreadLocal m_ptr;
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};
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} // anonymous
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// Initialized in startup.
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static FunctionTLSPtr s_functions;
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void setCurrentThreadFunctions (const glw::Functions* gl)
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{
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s_functions.set(gl);
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}
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inline const glw::Functions* getCurrentThreadFunctions (void)
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{
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return s_functions.get();
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}
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#endif // defined(DE_THREAD_LOCAL)
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} // glw
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DE_BEGIN_EXTERN_C
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#include "glwImpl.inl"
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DE_END_EXTERN_C
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