diff options
Diffstat (limited to 'gfx/angle/src/libANGLE/Device.cpp')
-rwxr-xr-x | gfx/angle/src/libANGLE/Device.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/Device.cpp b/gfx/angle/src/libANGLE/Device.cpp new file mode 100755 index 000000000..eb30b2023 --- /dev/null +++ b/gfx/angle/src/libANGLE/Device.cpp @@ -0,0 +1,130 @@ +// +// 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; +} + +} |