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/*
* Copyright 2011-2021 Blender Foundation
*
* 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.
*/
#pragma once
#include "kernel/device/cpu/compat.h"
#include "kernel/device/cpu/globals.h"
CCL_NAMESPACE_BEGIN
class Profiler;
/* A special class which extends memory ownership of the `KernelGlobals` decoupling any resource
* which is not thread-safe for access. Every worker thread which needs to operate on
* `KernelGlobals` needs to initialize its own copy of this object.
*
* NOTE: Only minimal subset of objects are copied: `KernelData` is never copied. This means that
* there is no unnecessary data duplication happening when using this object. */
class CPUKernelThreadGlobals : public KernelGlobals {
public:
/* TODO(sergey): Would be nice to have properly typed OSLGlobals even in the case when building
* without OSL support. Will avoid need to those unnamed pointers and casts. */
CPUKernelThreadGlobals(const KernelGlobals &kernel_globals,
void *osl_globals_memory,
Profiler &cpu_profiler);
~CPUKernelThreadGlobals();
CPUKernelThreadGlobals(const CPUKernelThreadGlobals &other) = delete;
CPUKernelThreadGlobals(CPUKernelThreadGlobals &&other) noexcept;
CPUKernelThreadGlobals &operator=(const CPUKernelThreadGlobals &other) = delete;
CPUKernelThreadGlobals &operator=(CPUKernelThreadGlobals &&other);
void start_profiling();
void stop_profiling();
protected:
void reset_runtime_memory();
Profiler &cpu_profiler_;
};
CCL_NAMESPACE_END
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