155 lines
3.9 KiB
C++
155 lines
3.9 KiB
C++
/*
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* Copyright 2011-2013 Blender Foundation
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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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*/
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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/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 Device {
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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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size_t device_texture_headroom;
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size_t device_working_headroom;
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bool move_texture_to_host;
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size_t map_host_used;
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size_t map_host_limit;
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int can_map_host;
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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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struct CUDAMem {
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CUDAMem() : texobject(0), array(0), use_mapped_host(false)
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{
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}
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CUtexObject texobject;
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CUarray array;
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/* If true, a mapped host memory in shared_pointer is being used. */
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bool use_mapped_host;
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};
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typedef map<device_memory *, CUDAMem> CUDAMemMap;
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CUDAMemMap cuda_mem_map;
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thread_mutex cuda_mem_map_mutex;
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/* Bindless Textures */
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device_vector<TextureInfo> texture_info;
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bool need_texture_info;
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CUDADeviceKernels kernels;
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static bool have_precompiled_kernels();
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virtual bool show_samples() const override;
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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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virtual string compile_kernel_get_common_cflags(const uint kernel_features);
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string compile_kernel(const uint kernel_features,
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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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void init_host_memory();
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void load_texture_info();
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void move_textures_to_host(size_t size, bool for_texture);
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CUDAMem *generic_alloc(device_memory &mem, size_t pitch_padding = 0);
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void generic_copy_to(device_memory &mem);
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void generic_free(device_memory &mem);
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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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