1 files changed, 133 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/Device.cpp b/gfx/angle/checkout/src/libANGLE/Device.cpp
new file mode 100644
index 0000000000..550708fd13
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Device.cpp
@@ -0,0 +1,133 @@
+//
+// Copyright 2015 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.
+//
+
+// Device.cpp: Implements the egl::Device class, representing the abstract
+// device. Implements EGLDevice.
+
+#include "libANGLE/Device.h"
+
+#include <iterator>
+
+#include <EGL/eglext.h>
+#include <platform/PlatformMethods.h>
+
+#include "anglebase/no_destructor.h"
+#include "common/debug.h"
+#include "common/platform.h"
+#include "libANGLE/renderer/DeviceImpl.h"
+
+#if defined(ANGLE_ENABLE_D3D11)
+#    include "libANGLE/renderer/d3d/DeviceD3D.h"
+#endif
+
+namespace egl
+{
+
+template <typename T>
+static std::string GenerateExtensionsString(const T &extensions)
+{
+    std::vector<std::string> extensionsVector = extensions.getStrings();
+
+    std::ostringstream stream;
+    std::copy(extensionsVector.begin(), extensionsVector.end(),
+              std::ostream_iterator<std::string>(stream, " "));
+    return stream.str();
+}
+
+typedef std::set<egl::Device *> DeviceSet;
+static DeviceSet *GetDeviceSet()
+{
+    static angle::base::NoDestructor<DeviceSet> devices;
+    return devices.get();
+}
+
+// Static factory methods
+egl::Error Device::CreateDevice(EGLint deviceType, void *nativeDevice, Device **outDevice)
+{
+    *outDevice = nullptr;
+
+    std::unique_ptr<rx::DeviceImpl> newDeviceImpl;
+
+#if defined(ANGLE_ENABLE_D3D11)
+    if (deviceType == EGL_D3D11_DEVICE_ANGLE)
+    {
+        newDeviceImpl.reset(new rx::DeviceD3D(deviceType, nativeDevice));
+    }
+#endif
+
+    // Note that creating an EGL device from inputted D3D9 parameters isn't currently supported
+
+    if (newDeviceImpl == nullptr)
+    {
+        return EglBadAttribute();
+    }
+
+    ANGLE_TRY(newDeviceImpl->initialize());
+    *outDevice = new Device(nullptr, newDeviceImpl.release());
+
+    return NoError();
+}
+
+bool Device::IsValidDevice(const Device *device)
+{
+    const DeviceSet *deviceSet = GetDeviceSet();
+    return deviceSet->find(const_cast<Device *>(device)) != deviceSet->end();
+}
+
+Device::Device(Display *owningDisplay, rx::DeviceImpl *impl)
+    : mLabel(nullptr), mOwningDisplay(owningDisplay), mImplementation(impl)
+{
+    ASSERT(GetDeviceSet()->find(this) == GetDeviceSet()->end());
+    GetDeviceSet()->insert(this);
+    initDeviceExtensions();
+}
+
+Device::~Device()
+{
+    ASSERT(GetDeviceSet()->find(this) != GetDeviceSet()->end());
+    GetDeviceSet()->erase(this);
+}
+
+void Device::setLabel(EGLLabelKHR label)
+{
+    mLabel = label;
+}
+
+EGLLabelKHR Device::getLabel() const
+{
+    return mLabel;
+}
+
+Error Device::getAttribute(EGLint attribute, EGLAttrib *value)
+{
+    void *nativeAttribute = nullptr;
+    egl::Error error =
+        getImplementation()->getAttribute(getOwningDisplay(), attribute, &nativeAttribute);
+    *value = reinterpret_cast<EGLAttrib>(nativeAttribute);
+    return error;
+}
+
+EGLint Device::getType() const
+{
+    return mImplementation.get()->getType();
+}
+
+void Device::initDeviceExtensions()
+{
+    mImplementation->generateExtensions(&mDeviceExtensions);
+    mDeviceExtensionString = GenerateExtensionsString(mDeviceExtensions);
+}
+
+const DeviceExtensions &Device::getExtensions() const
+{
+    return mDeviceExtensions;
+}
+
+const std::string &Device::getExtensionString() const
+{
+    return mDeviceExtensionString;
+}
+}  // namespace egl