1 files changed, 114 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/EGLSync.cpp b/gfx/angle/checkout/src/libANGLE/EGLSync.cpp
new file mode 100644
index 0000000000..ddca5de902
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/EGLSync.cpp
@@ -0,0 +1,114 @@
+//
+// 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:
+        case EGL_SYNC_METAL_SHARED_EVENT_ANGLE:
+            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::copyMetalSharedEventANGLE(const Display *display, void **result) const
+{
+    return mFence->copyMetalSharedEventANGLE(display, result);
+}
+
+Error Sync::dupNativeFenceFD(const Display *display, EGLint *result) const
+{
+    return mFence->dupNativeFenceFD(display, result);
+}
+
+}  // namespace egl