global_state.h

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Author : Geoff Lang
Date : 2018-08-21 09:48:01
Hash : b02fc662
Message : Lock around all EGL and GL calls with a global mutex. BUG=angleproject:2464 Change-Id: I0231cc84777272f9cf26298c6a137f1ad3fd51d6 Reviewed-on: https://chromium-review.googlesource.com/1183441 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

src/libGLESv2/global_state.h

//
// Copyright(c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// global_state.h : Defines functions for querying the thread-local GL and EGL state.

#ifndef LIBGLESV2_GLOBALSTATE_H_
#define LIBGLESV2_GLOBALSTATE_H_

#include "libANGLE/features.h"

#include <mutex>

namespace gl
{
class Context;

Context *GetGlobalContext();
Context *GetValidGlobalContext();

}  // namespace gl

namespace egl
{
class Debug;
class Thread;

Thread *GetCurrentThread();
Debug *GetDebug();

}  // namespace egl

#if ANGLE_FORCE_THREAD_SAFETY == ANGLE_ENABLED
namespace angle
{
std::mutex &GetGlobalMutex();
}  // namespace angle

#define ANGLE_SCOPED_GLOBAL_LOCK() \
    std::lock_guard<std::mutex> globalMutexLock(angle::GetGlobalMutex())
#else
#define ANGLE_SCOPED_GLOBAL_LOCK()
#endif

#endif  // LIBGLESV2_GLOBALSTATE_H_

kc3-lang/angle/src/libGLESv2/global_state.h

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kc3-lang/angle /src/libGLESv2/global_state.h