Enrico Galli 2b6b0f45ff Add support for Tint's HLSL writer as a Toggle
This commit adds a Toggle that switches SPIRV-cross's HLSL generator for
Tint's HLSL writer. New Toggle currently defaults to false.

Bug: dawn:548
Change-Id: I37e238c6ba887efd65727809c8a6919df515a35e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/31640
Reviewed-by: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Enrico Galli <enrico.galli@intel.com>
2020-11-05 18:52:49 +00:00

82 lines
2.6 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,
TurnOffVsync,
UseTemporaryBufferInCompressedTextureToTextureCopy,
UseD3D12ResourceHeapTier2,
UseD3D12RenderPass,
UseD3D12ResidencyManagement,
SkipValidation,
VulkanUseD32S8,
MetalDisableSamplerCompare,
MetalUseSharedModeForCounterSampleBuffer,
DisableBaseVertex,
DisableBaseInstance,
UseD3D12SmallShaderVisibleHeapForTesting,
UseDXC,
DisableRobustness,
MetalEnableVertexPulling,
DisallowUnsafeAPIs,
UseTintGenerator,
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_