57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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// 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/Error.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 BufferBase;
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class TextureBase;
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// Helper class to encapsulate the logic of tracking per-resource usage during the
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// validation of command buffer passes. It is used both to know if there are validation
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// errors, and to get a list of resources used per pass for backends that need the
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// information.
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class PassResourceUsageTracker {
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public:
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void BufferUsedAs(BufferBase* buffer, dawn::BufferUsageBit usage);
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void TextureUsedAs(TextureBase* texture, dawn::TextureUsageBit usage);
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MaybeError ValidateComputePassUsages() const;
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MaybeError ValidateRenderPassUsages() const;
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// Returns the per-pass usage for use by backends for APIs with explicit barriers.
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PassResourceUsage AcquireResourceUsage();
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private:
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// Performs the per-pass usage validation checks
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MaybeError ValidateUsages() const;
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std::map<BufferBase*, dawn::BufferUsageBit> mBufferUsages;
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std::map<TextureBase*, dawn::TextureUsageBit> mTextureUsages;
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bool mStorageUsedMultipleTimes = false;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_PASSRESOURCEUSAGETRACKER_H_
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