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https://github.com/encounter/dawn-cmake.git
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0ee9859c91
This is the first step to do pipeline deduplication. It also introduces tests for deduplication. BUG=dawn:143 Change-Id: Ib22496f543f8d1f9cfde04f725612504132c7d72 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/6861 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
74 lines
2.6 KiB
C++
74 lines
2.6 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_PIPELINELAYOUT_H_
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#define DAWNNATIVE_PIPELINELAYOUT_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 ValidatePipelineLayoutDescriptor(DeviceBase*,
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const PipelineLayoutDescriptor* descriptor);
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using BindGroupLayoutArray = std::array<Ref<BindGroupLayoutBase>, kMaxBindGroups>;
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class PipelineLayoutBase : public ObjectBase {
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public:
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PipelineLayoutBase(DeviceBase* device,
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const PipelineLayoutDescriptor* descriptor,
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bool blueprint = false);
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~PipelineLayoutBase() override;
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static PipelineLayoutBase* MakeError(DeviceBase* device);
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const BindGroupLayoutBase* GetBindGroupLayout(size_t group) const;
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const std::bitset<kMaxBindGroups> GetBindGroupLayoutsMask() const;
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// Utility functions to compute inherited bind groups.
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// Returns the inherited bind groups as a mask.
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std::bitset<kMaxBindGroups> InheritedGroupsMask(const PipelineLayoutBase* other) const;
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// Returns the index of the first incompatible bind group in the range
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// [1, kMaxBindGroups + 1]
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uint32_t GroupsInheritUpTo(const PipelineLayoutBase* other) const;
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// Functors necessary for the unordered_set<PipelineLayoutBase*>-based cache.
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struct HashFunc {
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size_t operator()(const PipelineLayoutBase* pl) const;
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};
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struct EqualityFunc {
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bool operator()(const PipelineLayoutBase* a, const PipelineLayoutBase* b) const;
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};
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protected:
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PipelineLayoutBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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BindGroupLayoutArray mBindGroupLayouts;
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std::bitset<kMaxBindGroups> mMask;
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bool mIsBlueprint = false;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_PIPELINELAYOUT_H_
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