Nikita Sirgienko
6dcfb6df9c
Host memory fallback in CUDA and HIP devices is almost identical. We remove duplicated code and create a shared generic version that other devices (oneAPI) will be able to use. Reviewed By: brecht Differential Revision: https://developer.blender.org/D17173
111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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#ifdef WITH_CUDA
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# include "device/cuda/kernel.h"
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# include "device/cuda/queue.h"
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# include "device/cuda/util.h"
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# include "device/device.h"
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# include "util/map.h"
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# ifdef WITH_CUDA_DYNLOAD
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# include "cuew.h"
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# else
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# include <cuda.h>
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# include <cudaGL.h>
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# endif
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CCL_NAMESPACE_BEGIN
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class DeviceQueue;
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class CUDADevice : public GPUDevice {
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friend class CUDAContextScope;
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public:
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CUdevice cuDevice;
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CUcontext cuContext;
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CUmodule cuModule;
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int pitch_alignment;
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int cuDevId;
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int cuDevArchitecture;
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bool first_error;
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CUDADeviceKernels kernels;
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static bool have_precompiled_kernels();
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virtual BVHLayoutMask get_bvh_layout_mask() const override;
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void set_error(const string &error) override;
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CUDADevice(const DeviceInfo &info, Stats &stats, Profiler &profiler);
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virtual ~CUDADevice();
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bool support_device(const uint /*kernel_features*/);
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bool check_peer_access(Device *peer_device) override;
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bool use_adaptive_compilation();
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string compile_kernel_get_common_cflags(const uint kernel_features);
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string compile_kernel(const string &cflags,
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const char *name,
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const char *base = "cuda",
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bool force_ptx = false);
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virtual bool load_kernels(const uint kernel_features) override;
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void reserve_local_memory(const uint kernel_features);
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virtual void get_device_memory_info(size_t &total, size_t &free) override;
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virtual bool alloc_device(void *&device_pointer, size_t size) override;
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virtual void free_device(void *device_pointer) override;
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virtual bool alloc_host(void *&shared_pointer, size_t size) override;
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virtual void free_host(void *shared_pointer) override;
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virtual bool transform_host_pointer(void *&device_pointer, void *&shared_pointer) override;
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virtual void copy_host_to_device(void *device_pointer, void *host_pointer, size_t size) override;
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void mem_alloc(device_memory &mem) override;
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void mem_copy_to(device_memory &mem) override;
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void mem_copy_from(device_memory &mem, size_t y, size_t w, size_t h, size_t elem) override;
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void mem_zero(device_memory &mem) override;
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void mem_free(device_memory &mem) override;
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device_ptr mem_alloc_sub_ptr(device_memory &mem, size_t offset, size_t /*size*/) override;
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virtual void const_copy_to(const char *name, void *host, size_t size) override;
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void global_alloc(device_memory &mem);
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void global_free(device_memory &mem);
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void tex_alloc(device_texture &mem);
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void tex_free(device_texture &mem);
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virtual bool should_use_graphics_interop() override;
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virtual unique_ptr<DeviceQueue> gpu_queue_create() override;
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int get_num_multiprocessors();
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int get_max_num_threads_per_multiprocessor();
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protected:
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bool get_device_attribute(CUdevice_attribute attribute, int *value);
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int get_device_default_attribute(CUdevice_attribute attribute, int default_value);
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};
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CCL_NAMESPACE_END
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#endif
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