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// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <algorithm>
#include <vector>
#include "dawn/wire/SupportedFeatures.h"
#include "dawn/wire/server/ObjectStorage.h"
#include "dawn/wire/server/Server.h"
namespace dawn::wire::server {
WireResult Server::DoInstanceRequestAdapter(Known<WGPUInstance> instance,
ObjectHandle eventManager,
WGPUFuture future,
ObjectHandle adapterHandle,
const WGPURequestAdapterOptions* options,
uint8_t userdataCount) {
Reserved<WGPUAdapter> adapter;
WIRE_TRY(Objects<WGPUAdapter>().Allocate(&adapter, adapterHandle, AllocationState::Reserved));
auto userdata = MakeUserdata<RequestAdapterUserdata>();
userdata->eventManager = eventManager;
userdata->future = future;
userdata->adapterObjectId = adapter.id;
if (userdataCount == 1) {
mProcs.instanceRequestAdapter(instance->handle, options,
ForwardToServer<&Server::OnRequestAdapterCallback>,
userdata.release());
} else {
mProcs.instanceRequestAdapter2(
instance->handle, options,
{nullptr, WGPUCallbackMode_AllowSpontaneous,
ForwardToServer2<&Server::OnRequestAdapterCallback>, userdata.release(), nullptr});
}
return WireResult::Success;
}
void Server::OnRequestAdapterCallback(RequestAdapterUserdata* data,
WGPURequestAdapterStatus status,
WGPUAdapter adapter,
const char* message) {
ReturnInstanceRequestAdapterCallbackCmd cmd = {};
cmd.eventManager = data->eventManager;
cmd.future = data->future;
cmd.status = status;
cmd.message = message;
if (status != WGPURequestAdapterStatus_Success) {
DAWN_ASSERT(adapter == nullptr);
SerializeCommand(cmd);
return;
}
// Assign the handle and allocated status if the adapter is created successfully.
if (FillReservation(data->adapterObjectId, adapter) == WireResult::FatalError) {
cmd.status = WGPURequestAdapterStatus_Unknown;
cmd.message = "Destroyed before request was fulfilled.";
SerializeCommand(cmd);
return;
}
// Query and report the adapter supported features.
std::vector<WGPUFeatureName> features;
size_t featuresCount = mProcs.adapterEnumerateFeatures(adapter, nullptr);
features.resize(featuresCount);
mProcs.adapterEnumerateFeatures(adapter, features.data());
// Hide features the wire cannot support.
auto it = std::partition(features.begin(), features.end(), IsFeatureSupported);
cmd.featuresCount = std::distance(features.begin(), it);
cmd.features = features.data();
// Query and report the adapter properties.
WGPUAdapterProperties properties = {};
WGPUChainedStructOut** propertiesChain = &properties.nextInChain;
// Query AdapterPropertiesMemoryHeaps if the feature is supported.
WGPUAdapterPropertiesMemoryHeaps memoryHeapProperties = {};
memoryHeapProperties.chain.sType = WGPUSType_AdapterPropertiesMemoryHeaps;
if (mProcs.adapterHasFeature(adapter, WGPUFeatureName_AdapterPropertiesMemoryHeaps)) {
*propertiesChain = &memoryHeapProperties.chain;
propertiesChain = &(*propertiesChain)->next;
}
// Query AdapterPropertiesD3D if the feature is supported.
WGPUAdapterPropertiesD3D d3dProperties = {};
d3dProperties.chain.sType = WGPUSType_AdapterPropertiesD3D;
if (mProcs.adapterHasFeature(adapter, WGPUFeatureName_AdapterPropertiesD3D)) {
*propertiesChain = &d3dProperties.chain;
propertiesChain = &(*propertiesChain)->next;
}
// Query AdapterPropertiesVk if the feature is supported.
WGPUAdapterPropertiesVk vkProperties = {};
vkProperties.chain.sType = WGPUSType_AdapterPropertiesVk;
if (mProcs.adapterHasFeature(adapter, WGPUFeatureName_AdapterPropertiesVk)) {
*propertiesChain = &vkProperties.chain;
propertiesChain = &(*propertiesChain)->next;
}
mProcs.adapterGetProperties(adapter, &properties);
cmd.properties = &properties;
// Query and report the adapter limits, including DawnExperimentalSubgroupLimits.
WGPUSupportedLimits limits = {};
WGPUDawnExperimentalSubgroupLimits experimentalSubgroupLimits = {};
experimentalSubgroupLimits.chain.sType = WGPUSType_DawnExperimentalSubgroupLimits;
limits.nextInChain = &experimentalSubgroupLimits.chain;
mProcs.adapterGetLimits(adapter, &limits);
cmd.limits = &limits;
SerializeCommand(cmd);
mProcs.adapterPropertiesFreeMembers(properties);
mProcs.adapterPropertiesMemoryHeapsFreeMembers(memoryHeapProperties);
}
} // namespace dawn::wire::server