tornavis/intern/cycles/device/cpu/kernel_thread_globals.h

47 lines
1.6 KiB
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#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 `KernelGlobalsCPU` decoupling any resource
* which is not thread-safe for access. Every worker thread which needs to operate on
* `KernelGlobalsCPU` 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 KernelGlobalsCPU {
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 KernelGlobalsCPU &kernel_globals,
void *osl_globals_memory,
Profiler &cpu_profiler,
const int thread_index);
~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 clear_runtime_pointers();
Profiler &cpu_profiler_;
};
CCL_NAMESPACE_END