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//
// 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.
//
// DeviceD3D.cpp: D3D implementation of egl::Device
#include "libANGLE/renderer/d3d/DeviceD3D.h"
#include "libANGLE/Device.h"
#include "libANGLE/Display.h"
#include <EGL/eglext.h>
namespace rx
{
DeviceD3D::DeviceD3D(GLint deviceType, void *nativeDevice)
: mDevice(nativeDevice), mDeviceType(deviceType), mIsInitialized(false)
{}
DeviceD3D::~DeviceD3D()
{
#if defined(ANGLE_ENABLE_D3D11)
if (mIsInitialized && mDeviceType == EGL_D3D11_DEVICE_ANGLE)
{
// DeviceD3D holds a ref to an externally-sourced D3D11 device. We must release it.
ID3D11Device *device = static_cast<ID3D11Device *>(mDevice);
device->Release();
}
#endif
}
egl::Error DeviceD3D::getAttribute(const egl::Display *display, EGLint attribute, void **outValue)
{
ASSERT(mIsInitialized);
ANGLE_UNUSED_VARIABLE(display);
// Validated at higher levels.
ASSERT(getType() == attribute);
*outValue = mDevice;
return egl::NoError();
}
egl::Error DeviceD3D::initialize()
{
ASSERT(!mIsInitialized);
#if defined(ANGLE_ENABLE_D3D11)
if (mDeviceType == EGL_D3D11_DEVICE_ANGLE)
{
// Validate the device
IUnknown *iunknown = static_cast<IUnknown *>(mDevice);
ID3D11Device *d3dDevice = nullptr;
HRESULT hr =
iunknown->QueryInterface(__uuidof(ID3D11Device), reinterpret_cast<void **>(&d3dDevice));
if (FAILED(hr))
{
return egl::EglBadAttribute() << "Invalid D3D device passed into EGLDeviceEXT";
}
// The QI to ID3D11Device adds a ref to the D3D11 device.
// Deliberately don't release the ref here, so that the DeviceD3D holds a ref to the
// D3D11 device.
}
#endif
mIsInitialized = true;
return egl::NoError();
}
EGLint DeviceD3D::getType()
{
return mDeviceType;
}
void DeviceD3D::generateExtensions(egl::DeviceExtensions *outExtensions) const
{
outExtensions->deviceD3D = true;
}
} // namespace rx
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