mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-12 06:59:21 +00:00
d1cba106c8
Due to significant performance regressions on Intel Gen11 Graphics, temporarily disable use of the D3D12 Render Pass API until a workaround infrastructure can be implemented. Bug: dawn:310 Change-Id: I994a2c2a0f6a3b61c48b083c73d6e0d3f8910dfa Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14663 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Brandon Jones <brandon1.jones@intel.com>
65 lines
2.9 KiB
C++
65 lines
2.9 KiB
C++
// Copyright 2019 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/d3d12/D3D12Info.h"
|
|
|
|
#include "common/GPUInfo.h"
|
|
#include "dawn_native/d3d12/AdapterD3D12.h"
|
|
#include "dawn_native/d3d12/BackendD3D12.h"
|
|
#include "dawn_native/d3d12/D3D12Error.h"
|
|
#include "dawn_native/d3d12/PlatformFunctions.h"
|
|
|
|
namespace dawn_native { namespace d3d12 {
|
|
|
|
ResultOrError<D3D12DeviceInfo> GatherDeviceInfo(const Adapter& adapter) {
|
|
D3D12DeviceInfo info = {};
|
|
|
|
// Newer builds replace D3D_FEATURE_DATA_ARCHITECTURE with
|
|
// D3D_FEATURE_DATA_ARCHITECTURE1. However, D3D_FEATURE_DATA_ARCHITECTURE can be used
|
|
// for backwards compat.
|
|
// https://docs.microsoft.com/en-us/windows/desktop/api/d3d12/ne-d3d12-d3d12_feature
|
|
D3D12_FEATURE_DATA_ARCHITECTURE arch = {};
|
|
DAWN_TRY(CheckHRESULT(adapter.GetDevice()->CheckFeatureSupport(D3D12_FEATURE_ARCHITECTURE,
|
|
&arch, sizeof(arch)),
|
|
"ID3D12Device::CheckFeatureSupport"));
|
|
|
|
info.isUMA = arch.UMA;
|
|
|
|
D3D12_FEATURE_DATA_D3D12_OPTIONS options = {};
|
|
DAWN_TRY(CheckHRESULT(adapter.GetDevice()->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS,
|
|
&options, sizeof(options)),
|
|
"ID3D12Device::CheckFeatureSupport"));
|
|
|
|
info.resourceHeapTier = options.ResourceHeapTier;
|
|
|
|
// Windows builds 1809 and above can use the D3D12 render pass API. If we query
|
|
// CheckFeatureSupport for D3D12_FEATURE_D3D12_OPTIONS5 successfully, then we can use
|
|
// the render pass API.
|
|
info.supportsRenderPass = false;
|
|
D3D12_FEATURE_DATA_D3D12_OPTIONS5 featureOptions5 = {};
|
|
if (SUCCEEDED(adapter.GetDevice()->CheckFeatureSupport(
|
|
D3D12_FEATURE_D3D12_OPTIONS5, &featureOptions5, sizeof(featureOptions5)))) {
|
|
// Performance regressions been observed when using a render pass on Intel graphics with
|
|
// RENDER_PASS_TIER_1 available, so fall back to a software emulated render pass on
|
|
// these platforms.
|
|
if (featureOptions5.RenderPassesTier < D3D12_RENDER_PASS_TIER_1 ||
|
|
!gpu_info::IsIntel(adapter.GetPCIInfo().vendorId)) {
|
|
info.supportsRenderPass = true;
|
|
}
|
|
}
|
|
|
|
return info;
|
|
}
|
|
}} // namespace dawn_native::d3d12
|