global_state.h

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Author : Stuart Morgan
Date : 2019-08-14 12:25:12
Hash : 9d737966
Message : Standardize copyright notices to project style For all "ANGLE Project" copyrights, standardize to the format specified by the style guide. Changes: - "Copyright (c)" and "Copyright(c)" changed to just "Copyright". - Removed the second half of date ranges ("Y1Y1-Y2Y2"->"Y1Y1"). - Fixed a small number of files that had no copyright date using the initial commit year from the version control history. - Fixed one instance of copyright being "The ANGLE Project" rather than "The ANGLE Project Authors" These changes are applied both to the copyright of source file, and where applicable to copyright statements that are generated by templates. BUG=angleproject:3811 Change-Id: I973dd65e4ef9deeba232d5be74c768256a0eb2e5 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1754397 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libGLESv2/global_state.h

//
// Copyright 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/Context.h"
#include "libANGLE/Debug.h"
#include "libANGLE/Thread.h"
#include "libANGLE/features.h"

#include <mutex>

namespace egl
{
class Debug;
class Thread;

std::mutex &GetGlobalMutex();
Thread *GetCurrentThread();
Debug *GetDebug();
void SetContextCurrent(Thread *thread, gl::Context *context);
}  // namespace egl

#define ANGLE_SCOPED_GLOBAL_LOCK() \
    std::lock_guard<std::mutex> globalMutexLock(egl::GetGlobalMutex())

namespace gl
{
extern Context *gSingleThreadedContext;

ANGLE_INLINE Context *GetGlobalContext()
{
    if (gSingleThreadedContext)
    {
        return gSingleThreadedContext;
    }

    egl::Thread *thread = egl::GetCurrentThread();
    return thread->getContext();
}

ANGLE_INLINE Context *GetValidGlobalContext()
{
    if (gSingleThreadedContext && !gSingleThreadedContext->isContextLost())
    {
        return gSingleThreadedContext;
    }

    egl::Thread *thread = egl::GetCurrentThread();
    return thread->getValidContext();
}

ANGLE_INLINE std::unique_lock<std::mutex> GetShareGroupLock(const Context *context)
{
    return context->isShared() ? std::unique_lock<std::mutex>(egl::GetGlobalMutex())
                               : std::unique_lock<std::mutex>();
}
}  // namespace gl

#endif  // LIBGLESV2_GLOBALSTATE_H_

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

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