Jiawei Shao d08611b7a8 Move all the implementations of Toggle to Toggles.cpp
This patch moves all the code related to Toggle from Instance.cpp to
Toggles.cpp to make the code in Instance.cpp cleaner.

BUG=dawn:56

Change-Id: Ica2a779569478a58ddf21e632a211c0c5b889b00
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9580
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
2019-07-30 23:58:52 +00:00

65 lines
2.1 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.
#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,
EnumCount,
InvalidEnum = EnumCount,
};
// A wrapper of the bitset to store if a toggle is enabled 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 SetToggle(Toggle toggle, bool enabled);
bool IsEnabled(Toggle toggle) const;
std::vector<const char*> GetEnabledToggleNames() 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_