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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn/native/Adapter.h"
#include <algorithm>
#include <memory>
#include "dawn/common/Constants.h"
#include "dawn/common/GPUInfo.h"
#include "dawn/native/Device.h"
#include "dawn/native/Instance.h"
#include "dawn/native/ValidationUtils_autogen.h"
namespace dawn::native {
AdapterBase::AdapterBase(InstanceBase* instance, wgpu::BackendType backend)
: mInstance(instance), mBackend(backend) {
mSupportedFeatures.EnableFeature(Feature::DawnNative);
mSupportedFeatures.EnableFeature(Feature::DawnInternalUsages);
}
MaybeError AdapterBase::Initialize() {
DAWN_TRY_CONTEXT(InitializeImpl(), "initializing adapter (backend=%s)", mBackend);
InitializeVendorArchitectureImpl();
DAWN_TRY_CONTEXT(
InitializeSupportedFeaturesImpl(),
"gathering supported features for \"%s\" - \"%s\" (vendorId=%#06x deviceId=%#06x "
"backend=%s type=%s)",
mName, mDriverDescription, mVendorId, mDeviceId, mBackend, mAdapterType);
DAWN_TRY_CONTEXT(
InitializeSupportedLimitsImpl(&mLimits),
"gathering supported limits for \"%s\" - \"%s\" (vendorId=%#06x deviceId=%#06x "
"backend=%s type=%s)",
mName, mDriverDescription, mVendorId, mDeviceId, mBackend, mAdapterType);
// Enforce internal Dawn constants.
mLimits.v1.maxVertexBufferArrayStride =
std::min(mLimits.v1.maxVertexBufferArrayStride, kMaxVertexBufferArrayStride);
mLimits.v1.maxColorAttachments =
std::min(mLimits.v1.maxColorAttachments, uint32_t(kMaxColorAttachments));
mLimits.v1.maxBindGroups = std::min(mLimits.v1.maxBindGroups, kMaxBindGroups);
mLimits.v1.maxVertexAttributes =
std::min(mLimits.v1.maxVertexAttributes, uint32_t(kMaxVertexAttributes));
mLimits.v1.maxVertexBuffers =
std::min(mLimits.v1.maxVertexBuffers, uint32_t(kMaxVertexBuffers));
mLimits.v1.maxInterStageShaderComponents =
std::min(mLimits.v1.maxInterStageShaderComponents, kMaxInterStageShaderComponents);
mLimits.v1.maxSampledTexturesPerShaderStage =
std::min(mLimits.v1.maxSampledTexturesPerShaderStage, kMaxSampledTexturesPerShaderStage);
mLimits.v1.maxSamplersPerShaderStage =
std::min(mLimits.v1.maxSamplersPerShaderStage, kMaxSamplersPerShaderStage);
mLimits.v1.maxStorageBuffersPerShaderStage =
std::min(mLimits.v1.maxStorageBuffersPerShaderStage, kMaxStorageBuffersPerShaderStage);
mLimits.v1.maxStorageTexturesPerShaderStage =
std::min(mLimits.v1.maxStorageTexturesPerShaderStage, kMaxStorageTexturesPerShaderStage);
mLimits.v1.maxUniformBuffersPerShaderStage =
std::min(mLimits.v1.maxUniformBuffersPerShaderStage, kMaxUniformBuffersPerShaderStage);
mLimits.v1.maxDynamicUniformBuffersPerPipelineLayout =
std::min(mLimits.v1.maxDynamicUniformBuffersPerPipelineLayout,
kMaxDynamicUniformBuffersPerPipelineLayout);
mLimits.v1.maxDynamicStorageBuffersPerPipelineLayout =
std::min(mLimits.v1.maxDynamicStorageBuffersPerPipelineLayout,
kMaxDynamicStorageBuffersPerPipelineLayout);
return {};
}
bool AdapterBase::APIGetLimits(SupportedLimits* limits) const {
return GetLimits(limits);
}
void AdapterBase::APIGetProperties(AdapterProperties* properties) const {
properties->vendorID = mVendorId;
properties->vendorName = mVendorName.c_str();
properties->architecture = mArchitectureName.c_str();
properties->deviceID = mDeviceId;
properties->name = mName.c_str();
properties->driverDescription = mDriverDescription.c_str();
properties->adapterType = mAdapterType;
properties->backendType = mBackend;
}
bool AdapterBase::APIHasFeature(wgpu::FeatureName feature) const {
return mSupportedFeatures.IsEnabled(feature);
}
size_t AdapterBase::APIEnumerateFeatures(wgpu::FeatureName* features) const {
return mSupportedFeatures.EnumerateFeatures(features);
}
DeviceBase* AdapterBase::APICreateDevice(const DeviceDescriptor* descriptor) {
DeviceDescriptor defaultDesc = {};
if (descriptor == nullptr) {
descriptor = &defaultDesc;
}
auto result = CreateDeviceInternal(descriptor);
if (result.IsError()) {
mInstance->ConsumedError(result.AcquireError());
return nullptr;
}
return result.AcquireSuccess().Detach();
}
void AdapterBase::APIRequestDevice(const DeviceDescriptor* descriptor,
WGPURequestDeviceCallback callback,
void* userdata) {
static constexpr DeviceDescriptor kDefaultDescriptor = {};
if (descriptor == nullptr) {
descriptor = &kDefaultDescriptor;
}
auto result = CreateDeviceInternal(descriptor);
if (result.IsError()) {
std::unique_ptr<ErrorData> errorData = result.AcquireError();
// TODO(crbug.com/dawn/1122): Call callbacks only on wgpuInstanceProcessEvents
callback(WGPURequestDeviceStatus_Error, nullptr, errorData->GetFormattedMessage().c_str(),
userdata);
return;
}
Ref<DeviceBase> device = result.AcquireSuccess();
WGPURequestDeviceStatus status =
device == nullptr ? WGPURequestDeviceStatus_Unknown : WGPURequestDeviceStatus_Success;
// TODO(crbug.com/dawn/1122): Call callbacks only on wgpuInstanceProcessEvents
callback(status, ToAPI(device.Detach()), nullptr, userdata);
}
void AdapterBase::InitializeVendorArchitectureImpl() {
mVendorName = gpu_info::GetVendorName(mVendorId);
mArchitectureName = gpu_info::GetArchitectureName(mVendorId, mDeviceId);
}
uint32_t AdapterBase::GetVendorId() const {
return mVendorId;
}
uint32_t AdapterBase::GetDeviceId() const {
return mDeviceId;
}
wgpu::BackendType AdapterBase::GetBackendType() const {
return mBackend;
}
InstanceBase* AdapterBase::GetInstance() const {
return mInstance;
}
FeaturesSet AdapterBase::GetSupportedFeatures() const {
return mSupportedFeatures;
}
bool AdapterBase::SupportsAllRequiredFeatures(
const ityp::span<size_t, const wgpu::FeatureName>& features) const {
for (wgpu::FeatureName f : features) {
if (!mSupportedFeatures.IsEnabled(f)) {
return false;
}
}
return true;
}
bool AdapterBase::GetLimits(SupportedLimits* limits) const {
ASSERT(limits != nullptr);
if (limits->nextInChain != nullptr) {
return false;
}
if (mUseTieredLimits) {
limits->limits = ApplyLimitTiers(mLimits.v1);
} else {
limits->limits = mLimits.v1;
}
return true;
}
ResultOrError<Ref<DeviceBase>> AdapterBase::CreateDeviceInternal(
const DeviceDescriptor* descriptor) {
ASSERT(descriptor != nullptr);
for (uint32_t i = 0; i < descriptor->requiredFeaturesCount; ++i) {
wgpu::FeatureName f = descriptor->requiredFeatures[i];
DAWN_TRY(ValidateFeatureName(f));
DAWN_INVALID_IF(!mSupportedFeatures.IsEnabled(f), "Requested feature %s is not supported.",
f);
}
if (descriptor->requiredLimits != nullptr) {
DAWN_TRY_CONTEXT(ValidateLimits(mUseTieredLimits ? ApplyLimitTiers(mLimits.v1) : mLimits.v1,
descriptor->requiredLimits->limits),
"validating required limits");
DAWN_INVALID_IF(descriptor->requiredLimits->nextInChain != nullptr,
"nextInChain is not nullptr.");
}
return CreateDeviceImpl(descriptor);
}
void AdapterBase::SetUseTieredLimits(bool useTieredLimits) {
mUseTieredLimits = useTieredLimits;
}
void AdapterBase::ResetInternalDeviceForTesting() {
mInstance->ConsumedError(ResetInternalDeviceForTestingImpl());
}
MaybeError AdapterBase::ResetInternalDeviceForTestingImpl() {
return DAWN_INTERNAL_ERROR(
"ResetInternalDeviceForTesting should only be used with the D3D12 backend.");
}
} // namespace dawn::native