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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.
//
// 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/Platform.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
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