EGLSync.cpp

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Author : Jeff Vigil
Date : 2020-10-14 10:27:56
Hash : 00a49766
Message : EGL: Implement EGL_KHR_reusable_sync Add extension string and flags Add EGLReusableSync files to libANGLE and gni Test: angle_deqp_egl_tests --deqp-case=dEQP-EGL.functional.reusable_sync.* --deqp-case=dEQP-EGL.functional.fence_sync.* Bug: angleproject:5168 Change-Id: I967a10cf387047c9ee1963acfc854a8288325a8e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2477293 Commit-Queue: Jeff Vigil <j.vigil@samsung.com> Commit-Queue: Mohan Maiya <m.maiya@samsung.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/EGLSync.cpp

//
// Copyright 2002 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.
//

// EGLSync.cpp: Implements the egl::Sync class.

#include "libANGLE/EGLSync.h"

#include "angle_gl.h"

#include "common/utilities.h"
#include "libANGLE/renderer/EGLImplFactory.h"
#include "libANGLE/renderer/EGLReusableSync.h"
#include "libANGLE/renderer/EGLSyncImpl.h"

namespace egl
{

Sync::Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs)
    : mLabel(nullptr),
      mType(type),
      mCondition(EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR),
      mNativeFenceFD(
          attribs.getAsInt(EGL_SYNC_NATIVE_FENCE_FD_ANDROID, EGL_NO_NATIVE_FENCE_FD_ANDROID))
{
    switch (type)
    {
        case EGL_SYNC_FENCE:
        case EGL_SYNC_NATIVE_FENCE_ANDROID:
            mFence = std::unique_ptr<rx::EGLSyncImpl>(factory->createSync(attribs));
            break;

        case EGL_SYNC_REUSABLE_KHR:
            mFence = std::unique_ptr<rx::EGLSyncImpl>(new rx::ReusableSync(attribs));
            break;

        default:
            UNREACHABLE();
    }

    // Per extension spec: Signaling Condition.
    // "If the EGL_SYNC_NATIVE_FENCE_FD_ANDROID attribute is not
    // EGL_NO_NATIVE_FENCE_FD_ANDROID then the EGL_SYNC_CONDITION_KHR attribute
    // is set to EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID and the EGL_SYNC_STATUS_KHR
    // attribute is set to reflect the signal status of the native fence object.
    if ((mType == EGL_SYNC_NATIVE_FENCE_ANDROID) &&
        (mNativeFenceFD != EGL_NO_NATIVE_FENCE_FD_ANDROID))
    {
        mCondition = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
    }
}

void Sync::onDestroy(const Display *display)
{
    ASSERT(mFence);
    mFence->onDestroy(display);
    mFence.reset();
}

Sync::~Sync() {}

Error Sync::initialize(const Display *display, const gl::Context *context)
{
    return mFence->initialize(display, context, mType);
}

void Sync::setLabel(EGLLabelKHR label)
{
    mLabel = label;
}

EGLLabelKHR Sync::getLabel() const
{
    return mLabel;
}

Error Sync::clientWait(const Display *display,
                       const gl::Context *context,
                       EGLint flags,
                       EGLTime timeout,
                       EGLint *outResult)
{
    return mFence->clientWait(display, context, flags, timeout, outResult);
}

Error Sync::serverWait(const Display *display, const gl::Context *context, EGLint flags)
{
    return mFence->serverWait(display, context, flags);
}

Error Sync::signal(const Display *display, const gl::Context *context, EGLint mode)
{
    return mFence->signal(display, context, mode);
}

Error Sync::getStatus(const Display *display, EGLint *outStatus) const
{
    return mFence->getStatus(display, outStatus);
}

Error Sync::dupNativeFenceFD(const Display *display, EGLint *result) const
{
    return mFence->dupNativeFenceFD(display, result);
}

}  // namespace egl

kc3-lang/angle/src/libANGLE/EGLSync.cpp

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kc3-lang/angle /src/libANGLE/EGLSync.cpp