87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
// Copyright 2019 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_PASSRESOURCEUSAGETRACKER_H_
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#define DAWNNATIVE_PASSRESOURCEUSAGETRACKER_H_
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#include "dawn_native/PassResourceUsage.h"
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#include "dawn_native/dawn_platform.h"
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#include <map>
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namespace dawn_native {
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class BindGroupBase;
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class BufferBase;
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class ExternalTextureBase;
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class QuerySetBase;
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class TextureBase;
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using QueryAvailabilityMap = std::map<QuerySetBase*, std::vector<bool>>;
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// Helper class to build SyncScopeResourceUsages
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class SyncScopeUsageTracker {
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public:
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void BufferUsedAs(BufferBase* buffer, wgpu::BufferUsage usage);
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void TextureViewUsedAs(TextureViewBase* texture, wgpu::TextureUsage usage);
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void AddRenderBundleTextureUsage(TextureBase* texture,
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const TextureSubresourceUsage& textureUsage);
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// Walks the bind groups and tracks all its resources.
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void AddBindGroup(BindGroupBase* group);
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// Returns the per-pass usage for use by backends for APIs with explicit barriers.
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SyncScopeResourceUsage AcquireSyncScopeUsage();
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private:
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std::map<BufferBase*, wgpu::BufferUsage> mBufferUsages;
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std::map<TextureBase*, TextureSubresourceUsage> mTextureUsages;
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std::set<ExternalTextureBase*> mExternalTextureUsages;
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};
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// Helper class to build ComputePassResourceUsages
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class ComputePassResourceUsageTracker {
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public:
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void AddDispatch(SyncScopeResourceUsage scope);
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void AddReferencedBuffer(BufferBase* buffer);
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void AddResourcesReferencedByBindGroup(BindGroupBase* group);
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ComputePassResourceUsage AcquireResourceUsage();
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private:
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ComputePassResourceUsage mUsage;
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};
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// Helper class to build RenderPassResourceUsages
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class RenderPassResourceUsageTracker : public SyncScopeUsageTracker {
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public:
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void TrackQueryAvailability(QuerySetBase* querySet, uint32_t queryIndex);
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const QueryAvailabilityMap& GetQueryAvailabilityMap() const;
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RenderPassResourceUsage AcquireResourceUsage();
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private:
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// Hide AcquireSyncScopeUsage since users of this class should use AcquireResourceUsage
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// instead.
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using SyncScopeUsageTracker::AcquireSyncScopeUsage;
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// Tracks queries used in the render pass to validate that they aren't written twice.
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QueryAvailabilityMap mQueryAvailabilities;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_PASSRESOURCEUSAGETRACKER_H_
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