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//
// Copyright (c) 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 <platform/Platform.h>
#include <EGL/eglext.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 DeviceSet devices;
return &devices;
}
// Static factory methods
egl::Error Device::CreateDevice(void *devicePointer, EGLint deviceType, Device **outDevice)
{
#if defined(ANGLE_ENABLE_D3D11)
if (deviceType == EGL_D3D11_DEVICE_ANGLE)
{
rx::DeviceD3D *deviceD3D = new rx::DeviceD3D();
egl::Error error = deviceD3D->initialize(devicePointer, deviceType, EGL_TRUE);
if (error.isError())
{
*outDevice = nullptr;
return error;
}
*outDevice = new Device(nullptr, deviceD3D);
GetDeviceSet()->insert(*outDevice);
return egl::Error(EGL_SUCCESS);
}
#endif
// Note that creating an EGL device from inputted D3D9 parameters isn't currently supported
*outDevice = nullptr;
return egl::Error(EGL_BAD_ATTRIBUTE);
}
egl::Error Device::CreateDevice(Display *owningDisplay, rx::DeviceImpl *impl, Device **outDevice)
{
*outDevice = new Device(owningDisplay, impl);
GetDeviceSet()->insert(*outDevice);
return egl::Error(EGL_SUCCESS);
}
bool Device::IsValidDevice(Device *device)
{
const DeviceSet *deviceSet = GetDeviceSet();
return deviceSet->find(device) != deviceSet->end();
}
Device::Device(Display *owningDisplay, rx::DeviceImpl *impl)
: mOwningDisplay(owningDisplay), mImplementation(impl)
{
initDeviceExtensions();
}
Device::~Device()
{
ASSERT(GetDeviceSet()->find(this) != GetDeviceSet()->end());
GetDeviceSet()->erase(this);
if (mImplementation->deviceExternallySourced())
{
// If the device isn't externally sourced then it is up to the renderer to delete the impl
SafeDelete(mImplementation);
}
}
Error Device::getDevice(EGLAttrib *value)
{
void *nativeDevice = nullptr;
egl::Error error = getImplementation()->getDevice(&nativeDevice);
*value = reinterpret_cast<EGLAttrib>(nativeDevice);
return error;
}
EGLint Device::getType()
{
return getImplementation()->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;
}
}
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