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// 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.
#ifndef DAWNNATIVE_TOGGLES_H_
#define DAWNNATIVE_TOGGLES_H_
#include <bitset>
#include <unordered_map>
#include <vector>
#include "dawn_native/DawnNative.h"
namespace dawn_native {
enum class Toggle {
EmulateStoreAndMSAAResolve,
NonzeroClearResourcesOnCreationForTesting,
AlwaysResolveIntoZeroLevelAndLayer,
LazyClearResourceOnFirstUse,
TurnOffVsync,
UseTemporaryBufferInCompressedTextureToTextureCopy,
UseD3D12ResourceHeapTier2,
UseD3D12RenderPass,
UseD3D12ResidencyManagement,
SkipValidation,
VulkanUseD32S8,
MetalDisableSamplerCompare,
MetalUseSharedModeForCounterSampleBuffer,
DisableBaseVertex,
DisableBaseInstance,
DisableIndexedDrawBuffers,
DisableSnormRead,
DisableDepthStencilRead,
DisableSampleVariables,
UseD3D12SmallShaderVisibleHeapForTesting,
UseDXC,
DisableRobustness,
MetalEnableVertexPulling,
DisallowUnsafeAPIs,
UseTintGenerator,
FlushBeforeClientWaitSync,
ConvertTimestampsToNanoseconds,
EnumCount,
InvalidEnum = EnumCount,
};
// A wrapper of the bitset to store if a toggle is present or not. This wrapper provides the
// convenience to convert the enums of enum class Toggle to the indices of a bitset.
struct TogglesSet {
std::bitset<static_cast<size_t>(Toggle::EnumCount)> toggleBitset;
void Set(Toggle toggle, bool enabled);
bool Has(Toggle toggle) const;
std::vector<const char*> GetContainedToggleNames() const;
};
const char* ToggleEnumToName(Toggle toggle);
class TogglesInfo {
public:
// Used to query the details of a toggle. Return nullptr if toggleName is not a valid name
// of a toggle supported in Dawn.
const ToggleInfo* GetToggleInfo(const char* toggleName);
Toggle ToggleNameToEnum(const char* toggleName);
private:
void EnsureToggleNameToEnumMapInitialized();
bool mToggleNameToEnumMapInitialized = false;
std::unordered_map<std::string, Toggle> mToggleNameToEnumMap;
};
} // namespace dawn_native
#endif // DAWNNATIVE_TOGGLES_H_
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