68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_BINDGROUPLAYOUT_H_
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#define DAWNNATIVE_BINDGROUPLAYOUT_H_
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#include "common/Constants.h"
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#include "dawn_native/Error.h"
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#include "dawn_native/Forward.h"
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#include "dawn_native/ObjectBase.h"
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#include "dawn_native/dawn_platform.h"
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#include <array>
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#include <bitset>
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namespace dawn_native {
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MaybeError ValidateBindGroupLayoutDescriptor(DeviceBase*,
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const BindGroupLayoutDescriptor* descriptor);
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class BindGroupLayoutBase : public ObjectBase {
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public:
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BindGroupLayoutBase(DeviceBase* device,
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const BindGroupLayoutDescriptor* descriptor,
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bool blueprint = false);
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~BindGroupLayoutBase() override;
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static BindGroupLayoutBase* MakeError(DeviceBase* device);
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struct LayoutBindingInfo {
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std::array<dawn::ShaderStageBit, kMaxBindingsPerGroup> visibilities;
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std::array<dawn::BindingType, kMaxBindingsPerGroup> types;
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std::bitset<kMaxBindingsPerGroup> mask;
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};
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const LayoutBindingInfo& GetBindingInfo() const;
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private:
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BindGroupLayoutBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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LayoutBindingInfo mBindingInfo;
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bool mIsBlueprint = false;
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};
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// Implements the functors necessary for the unordered_set<BGL*>-based cache.
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struct BindGroupLayoutCacheFuncs {
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// The hash function
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size_t operator()(const BindGroupLayoutBase* bgl) const;
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// The equality predicate
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bool operator()(const BindGroupLayoutBase* a, const BindGroupLayoutBase* b) const;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_BINDGROUPLAYOUT_H_
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