1970 lines
76 KiB
C++
1970 lines
76 KiB
C++
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/*
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* Copyright 2019, NVIDIA Corporation.
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* Copyright 2019, 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_OPTIX
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# include "device/device.h"
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# include "device/device_intern.h"
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# include "device/device_denoising.h"
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# include "bvh/bvh.h"
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# include "render/scene.h"
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# include "render/mesh.h"
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# include "render/object.h"
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# include "render/buffers.h"
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# include "util/util_md5.h"
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# include "util/util_path.h"
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# include "util/util_time.h"
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# include "util/util_debug.h"
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# include "util/util_logging.h"
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# undef _WIN32_WINNT // Need minimum API support for Windows 7
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# define _WIN32_WINNT _WIN32_WINNT_WIN7
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# ifdef WITH_CUDA_DYNLOAD
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# include <cuew.h>
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// Do not use CUDA SDK headers when using CUEW
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# define OPTIX_DONT_INCLUDE_CUDA
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# endif
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# include <optix_stubs.h>
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# include <optix_function_table_definition.h>
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CCL_NAMESPACE_BEGIN
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/* Make sure this stays in sync with kernel_globals.h */
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struct ShaderParams {
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uint4 *input;
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float4 *output;
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int type;
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int filter;
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int sx;
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int offset;
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int sample;
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};
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struct KernelParams {
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WorkTile tile;
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KernelData data;
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ShaderParams shader;
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# define KERNEL_TEX(type, name) const type *name;
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# include "kernel/kernel_textures.h"
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# undef KERNEL_TEX
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};
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# define check_result_cuda(stmt) \
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{ \
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CUresult res = stmt; \
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if (res != CUDA_SUCCESS) { \
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const char *name; \
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cuGetErrorName(res, &name); \
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set_error(string_printf("OptiX CUDA error %s in %s, line %d", name, #stmt, __LINE__)); \
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return; \
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} \
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} \
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(void)0
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# define check_result_cuda_ret(stmt) \
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{ \
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CUresult res = stmt; \
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if (res != CUDA_SUCCESS) { \
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const char *name; \
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cuGetErrorName(res, &name); \
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set_error(string_printf("OptiX CUDA error %s in %s, line %d", name, #stmt, __LINE__)); \
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return false; \
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} \
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} \
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(void)0
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# define check_result_optix(stmt) \
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{ \
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enum OptixResult res = stmt; \
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if (res != OPTIX_SUCCESS) { \
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const char *name = optixGetErrorName(res); \
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set_error(string_printf("OptiX error %s in %s, line %d", name, #stmt, __LINE__)); \
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return; \
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} \
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} \
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(void)0
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# define check_result_optix_ret(stmt) \
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{ \
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enum OptixResult res = stmt; \
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if (res != OPTIX_SUCCESS) { \
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const char *name = optixGetErrorName(res); \
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set_error(string_printf("OptiX error %s in %s, line %d", name, #stmt, __LINE__)); \
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return false; \
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} \
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} \
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(void)0
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class OptiXDevice : public Device {
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// List of OptiX program groups
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enum {
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PG_RGEN,
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PG_MISS,
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PG_HITD, // Default hit group
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PG_HITL, // __BVH_LOCAL__ hit group
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PG_HITS, // __SHADOW_RECORD_ALL__ hit group
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# ifdef WITH_CYCLES_DEBUG
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PG_EXCP,
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# endif
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PG_BAKE, // kernel_bake_evaluate
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PG_DISP, // kernel_displace_evaluate
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PG_BACK, // kernel_background_evaluate
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NUM_PROGRAM_GROUPS
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};
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// List of OptiX pipelines
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enum { PIP_PATH_TRACE, PIP_SHADER_EVAL, NUM_PIPELINES };
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// A single shader binding table entry
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struct SbtRecord {
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char header[OPTIX_SBT_RECORD_HEADER_SIZE];
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};
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// Information stored about CUDA memory allocations
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struct CUDAMem {
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bool free_map_host = false;
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CUarray array = NULL;
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CUtexObject texobject = 0;
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void *map_host_pointer = nullptr;
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};
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// Helper class to manage current CUDA context
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struct CUDAContextScope {
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CUDAContextScope(CUcontext ctx)
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{
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cuCtxPushCurrent(ctx);
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}
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~CUDAContextScope()
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{
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cuCtxPopCurrent(NULL);
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}
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};
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// Use a pool with multiple threads to support launches with multiple CUDA streams
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TaskPool task_pool;
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// CUDA/OptiX context handles
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CUdevice cuda_device = 0;
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CUcontext cuda_context = NULL;
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vector<CUstream> cuda_stream;
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OptixDeviceContext context = NULL;
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// Need CUDA kernel module for some utility functions
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CUmodule cuda_module = NULL;
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CUmodule cuda_filter_module = NULL;
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// All necessary OptiX kernels are in one module
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OptixModule optix_module = NULL;
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OptixPipeline pipelines[NUM_PIPELINES] = {};
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bool need_texture_info = false;
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device_vector<SbtRecord> sbt_data;
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device_vector<TextureInfo> texture_info;
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device_only_memory<KernelParams> launch_params;
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vector<device_only_memory<uint8_t>> blas;
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OptixTraversableHandle tlas_handle = 0;
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map<device_memory *, CUDAMem> cuda_mem_map;
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public:
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OptiXDevice(DeviceInfo &info_, Stats &stats_, Profiler &profiler_, bool background_)
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: Device(info_, stats_, profiler_, background_),
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sbt_data(this, "__sbt", MEM_READ_ONLY),
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texture_info(this, "__texture_info", MEM_TEXTURE),
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launch_params(this, "__params")
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{
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// Store number of CUDA streams in device info
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info.cpu_threads = DebugFlags().optix.cuda_streams;
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// Initialize CUDA driver API
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check_result_cuda(cuInit(0));
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// Retrieve the primary CUDA context for this device
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check_result_cuda(cuDeviceGet(&cuda_device, info.num));
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check_result_cuda(cuDevicePrimaryCtxRetain(&cuda_context, cuda_device));
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// Make that CUDA context current
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const CUDAContextScope scope(cuda_context);
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// Create OptiX context for this device
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OptixDeviceContextOptions options = {};
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# ifdef WITH_CYCLES_LOGGING
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options.logCallbackLevel = 4; // Fatal = 1, Error = 2, Warning = 3, Print = 4
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options.logCallbackFunction =
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[](unsigned int level, const char *, const char *message, void *) {
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switch (level) {
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case 1:
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LOG_IF(FATAL, VLOG_IS_ON(1)) << message;
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break;
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case 2:
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LOG_IF(ERROR, VLOG_IS_ON(1)) << message;
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break;
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case 3:
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LOG_IF(WARNING, VLOG_IS_ON(1)) << message;
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break;
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case 4:
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LOG_IF(INFO, VLOG_IS_ON(1)) << message;
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break;
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}
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};
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# endif
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check_result_optix(optixDeviceContextCreate(cuda_context, &options, &context));
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# ifdef WITH_CYCLES_LOGGING
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check_result_optix(optixDeviceContextSetLogCallback(
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context, options.logCallbackFunction, options.logCallbackData, options.logCallbackLevel));
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# endif
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// Create launch streams
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cuda_stream.resize(info.cpu_threads);
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for (int i = 0; i < info.cpu_threads; ++i)
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check_result_cuda(cuStreamCreate(&cuda_stream[i], CU_STREAM_NON_BLOCKING));
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// Fix weird compiler bug that assigns wrong size
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launch_params.data_elements = sizeof(KernelParams);
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// Allocate launch parameter buffer memory on device
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launch_params.alloc_to_device(info.cpu_threads);
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}
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~OptiXDevice()
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{
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// Stop processing any more tasks
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task_pool.stop();
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// Clean up all memory before destroying context
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blas.clear();
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sbt_data.free();
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texture_info.free();
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launch_params.free();
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// Make CUDA context current
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const CUDAContextScope scope(cuda_context);
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// Unload modules
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if (cuda_module != NULL)
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cuModuleUnload(cuda_module);
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if (cuda_filter_module != NULL)
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cuModuleUnload(cuda_filter_module);
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if (optix_module != NULL)
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optixModuleDestroy(optix_module);
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for (unsigned int i = 0; i < NUM_PIPELINES; ++i)
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if (pipelines[i] != NULL)
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optixPipelineDestroy(pipelines[i]);
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// Destroy launch streams
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for (int i = 0; i < info.cpu_threads; ++i)
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cuStreamDestroy(cuda_stream[i]);
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// Destroy OptiX and CUDA context
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optixDeviceContextDestroy(context);
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cuDevicePrimaryCtxRelease(cuda_device);
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}
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private:
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bool show_samples() const override
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{
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// Only show samples if not rendering multiple tiles in parallel
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return info.cpu_threads == 1;
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}
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BVHLayoutMask get_bvh_layout_mask() const override
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{
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// OptiX has its own internal acceleration structure format
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return BVH_LAYOUT_OPTIX;
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}
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bool load_kernels(const DeviceRequestedFeatures &requested_features) override
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{
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if (have_error())
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return false; // Abort early if context creation failed already
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// Disable baking for now, since its kernel is not well-suited for inlining and is very slow
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if (requested_features.use_baking) {
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set_error("OptiX implementation does not support baking yet");
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return false;
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}
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// Disable shader raytracing support for now, since continuation callables are slow
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if (requested_features.use_shader_raytrace) {
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set_error("OptiX implementation does not support shader raytracing yet");
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return false;
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}
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const CUDAContextScope scope(cuda_context);
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// Unload any existing modules first
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if (cuda_module != NULL)
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cuModuleUnload(cuda_module);
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if (cuda_filter_module != NULL)
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cuModuleUnload(cuda_filter_module);
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if (optix_module != NULL)
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optixModuleDestroy(optix_module);
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for (unsigned int i = 0; i < NUM_PIPELINES; ++i)
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if (pipelines[i] != NULL)
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optixPipelineDestroy(pipelines[i]);
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OptixModuleCompileOptions module_options;
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module_options.maxRegisterCount = 0; // Do not set an explicit register limit
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# ifdef WITH_CYCLES_DEBUG
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module_options.optLevel = OPTIX_COMPILE_OPTIMIZATION_LEVEL_0;
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module_options.debugLevel = OPTIX_COMPILE_DEBUG_LEVEL_FULL;
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# else
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module_options.optLevel = OPTIX_COMPILE_OPTIMIZATION_LEVEL_3;
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module_options.debugLevel = OPTIX_COMPILE_DEBUG_LEVEL_LINEINFO;
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# endif
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OptixPipelineCompileOptions pipeline_options;
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// Default to no motion blur and two-level graph, since it is the fastest option
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pipeline_options.usesMotionBlur = false;
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pipeline_options.traversableGraphFlags =
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OPTIX_TRAVERSABLE_GRAPH_FLAG_ALLOW_SINGLE_LEVEL_INSTANCING;
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pipeline_options.numPayloadValues = 6;
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pipeline_options.numAttributeValues = 2; // u, v
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# ifdef WITH_CYCLES_DEBUG
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pipeline_options.exceptionFlags = OPTIX_EXCEPTION_FLAG_STACK_OVERFLOW |
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OPTIX_EXCEPTION_FLAG_TRACE_DEPTH;
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# else
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pipeline_options.exceptionFlags = OPTIX_EXCEPTION_FLAG_NONE;
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# endif
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pipeline_options.pipelineLaunchParamsVariableName = "__params"; // See kernel_globals.h
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if (requested_features.use_object_motion) {
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pipeline_options.usesMotionBlur = true;
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// Motion blur can insert motion transforms into the traversal graph
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// It is no longer a two-level graph then, so need to set flags to allow any configuration
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pipeline_options.traversableGraphFlags = OPTIX_TRAVERSABLE_GRAPH_FLAG_ALLOW_ANY;
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}
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{ // Load and compile PTX module with OptiX kernels
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string ptx_data;
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const string ptx_filename = "lib/kernel_optix.ptx";
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if (!path_read_text(path_get(ptx_filename), ptx_data)) {
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set_error("Failed loading OptiX kernel " + ptx_filename + ".");
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return false;
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}
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check_result_optix_ret(optixModuleCreateFromPTX(context,
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&module_options,
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&pipeline_options,
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ptx_data.data(),
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ptx_data.size(),
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nullptr,
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0,
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&optix_module));
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}
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{ // Load CUDA modules because we need some of the utility kernels
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int major, minor;
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cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, info.num);
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cuDeviceGetAttribute(&minor, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, info.num);
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string cubin_data;
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const string cubin_filename = string_printf("lib/kernel_sm_%d%d.cubin", major, minor);
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if (!path_read_text(path_get(cubin_filename), cubin_data)) {
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set_error("Failed loading pre-compiled CUDA kernel " + cubin_filename + ".");
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return false;
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}
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check_result_cuda_ret(cuModuleLoadData(&cuda_module, cubin_data.data()));
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if (requested_features.use_denoising) {
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string filter_data;
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const string filter_filename = string_printf("lib/filter_sm_%d%d.cubin", major, minor);
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if (!path_read_text(path_get(filter_filename), filter_data)) {
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set_error("Failed loading pre-compiled CUDA filter kernel " + filter_filename + ".");
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return false;
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}
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check_result_cuda_ret(cuModuleLoadData(&cuda_filter_module, filter_data.data()));
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}
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}
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// Create program groups
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OptixProgramGroup groups[NUM_PROGRAM_GROUPS] = {};
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OptixProgramGroupDesc group_descs[NUM_PROGRAM_GROUPS] = {};
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OptixProgramGroupOptions group_options = {}; // There are no options currently
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group_descs[PG_RGEN].kind = OPTIX_PROGRAM_GROUP_KIND_RAYGEN;
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group_descs[PG_RGEN].raygen.module = optix_module;
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// Ignore branched integrator for now (see "requested_features.use_integrator_branched")
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group_descs[PG_RGEN].raygen.entryFunctionName = "__raygen__kernel_optix_path_trace";
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group_descs[PG_MISS].kind = OPTIX_PROGRAM_GROUP_KIND_MISS;
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group_descs[PG_MISS].miss.module = optix_module;
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group_descs[PG_MISS].miss.entryFunctionName = "__miss__kernel_optix_miss";
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group_descs[PG_HITD].kind = OPTIX_PROGRAM_GROUP_KIND_HITGROUP;
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group_descs[PG_HITD].hitgroup.moduleCH = optix_module;
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group_descs[PG_HITD].hitgroup.entryFunctionNameCH = "__closesthit__kernel_optix_hit";
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group_descs[PG_HITD].hitgroup.moduleAH = optix_module;
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group_descs[PG_HITD].hitgroup.entryFunctionNameAH = "__anyhit__kernel_optix_visibility_test";
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|
group_descs[PG_HITS].kind = OPTIX_PROGRAM_GROUP_KIND_HITGROUP;
|
||
|
group_descs[PG_HITS].hitgroup.moduleAH = optix_module;
|
||
|
group_descs[PG_HITS].hitgroup.entryFunctionNameAH = "__anyhit__kernel_optix_shadow_all_hit";
|
||
|
|
||
|
if (requested_features.use_hair) {
|
||
|
// Add curve intersection programs
|
||
|
group_descs[PG_HITD].hitgroup.moduleIS = optix_module;
|
||
|
group_descs[PG_HITD].hitgroup.entryFunctionNameIS = "__intersection__curve";
|
||
|
group_descs[PG_HITS].hitgroup.moduleIS = optix_module;
|
||
|
group_descs[PG_HITS].hitgroup.entryFunctionNameIS = "__intersection__curve";
|
||
|
}
|
||
|
|
||
|
if (requested_features.use_subsurface || requested_features.use_shader_raytrace) {
|
||
|
// Add hit group for local intersections
|
||
|
group_descs[PG_HITL].kind = OPTIX_PROGRAM_GROUP_KIND_HITGROUP;
|
||
|
group_descs[PG_HITL].hitgroup.moduleAH = optix_module;
|
||
|
group_descs[PG_HITL].hitgroup.entryFunctionNameAH = "__anyhit__kernel_optix_local_hit";
|
||
|
}
|
||
|
|
||
|
# ifdef WITH_CYCLES_DEBUG
|
||
|
group_descs[PG_EXCP].kind = OPTIX_PROGRAM_GROUP_KIND_EXCEPTION;
|
||
|
group_descs[PG_EXCP].exception.module = optix_module;
|
||
|
group_descs[PG_EXCP].exception.entryFunctionName = "__exception__kernel_optix_exception";
|
||
|
# endif
|
||
|
|
||
|
if (requested_features.use_baking) {
|
||
|
group_descs[PG_BAKE].kind = OPTIX_PROGRAM_GROUP_KIND_RAYGEN;
|
||
|
group_descs[PG_BAKE].raygen.module = optix_module;
|
||
|
group_descs[PG_BAKE].raygen.entryFunctionName = "__raygen__kernel_optix_bake";
|
||
|
}
|
||
|
|
||
|
if (requested_features.use_true_displacement) {
|
||
|
group_descs[PG_DISP].kind = OPTIX_PROGRAM_GROUP_KIND_RAYGEN;
|
||
|
group_descs[PG_DISP].raygen.module = optix_module;
|
||
|
group_descs[PG_DISP].raygen.entryFunctionName = "__raygen__kernel_optix_displace";
|
||
|
}
|
||
|
|
||
|
if (requested_features.use_background_light) {
|
||
|
group_descs[PG_BACK].kind = OPTIX_PROGRAM_GROUP_KIND_RAYGEN;
|
||
|
group_descs[PG_BACK].raygen.module = optix_module;
|
||
|
group_descs[PG_BACK].raygen.entryFunctionName = "__raygen__kernel_optix_background";
|
||
|
}
|
||
|
|
||
|
check_result_optix_ret(optixProgramGroupCreate(
|
||
|
context, group_descs, NUM_PROGRAM_GROUPS, &group_options, nullptr, 0, groups));
|
||
|
|
||
|
// Get program stack sizes
|
||
|
OptixStackSizes stack_size[NUM_PROGRAM_GROUPS] = {};
|
||
|
// Set up SBT, which in this case is used only to select between different programs
|
||
|
sbt_data.alloc(NUM_PROGRAM_GROUPS);
|
||
|
memset(sbt_data.host_pointer, 0, sizeof(SbtRecord) * NUM_PROGRAM_GROUPS);
|
||
|
for (unsigned int i = 0; i < NUM_PROGRAM_GROUPS; ++i) {
|
||
|
check_result_optix_ret(optixSbtRecordPackHeader(groups[i], &sbt_data[i]));
|
||
|
check_result_optix_ret(optixProgramGroupGetStackSize(groups[i], &stack_size[i]));
|
||
|
}
|
||
|
sbt_data.copy_to_device(); // Upload SBT to device
|
||
|
|
||
|
// Calculate maximum trace continuation stack size
|
||
|
unsigned int trace_css = stack_size[PG_HITD].cssCH;
|
||
|
// This is based on the maximum of closest-hit and any-hit/intersection programs
|
||
|
trace_css = max(trace_css, stack_size[PG_HITD].cssIS + stack_size[PG_HITD].cssAH);
|
||
|
trace_css = max(trace_css, stack_size[PG_HITL].cssIS + stack_size[PG_HITL].cssAH);
|
||
|
trace_css = max(trace_css, stack_size[PG_HITS].cssIS + stack_size[PG_HITS].cssAH);
|
||
|
|
||
|
OptixPipelineLinkOptions link_options;
|
||
|
link_options.maxTraceDepth = 1;
|
||
|
# ifdef WITH_CYCLES_DEBUG
|
||
|
link_options.debugLevel = OPTIX_COMPILE_DEBUG_LEVEL_FULL;
|
||
|
# else
|
||
|
link_options.debugLevel = OPTIX_COMPILE_DEBUG_LEVEL_LINEINFO;
|
||
|
# endif
|
||
|
link_options.overrideUsesMotionBlur = pipeline_options.usesMotionBlur;
|
||
|
|
||
|
{ // Create path tracing pipeline
|
||
|
OptixProgramGroup pipeline_groups[] = {
|
||
|
groups[PG_RGEN],
|
||
|
groups[PG_MISS],
|
||
|
groups[PG_HITD],
|
||
|
groups[PG_HITS],
|
||
|
groups[PG_HITL],
|
||
|
# ifdef WITH_CYCLES_DEBUG
|
||
|
groups[PG_EXCP],
|
||
|
# endif
|
||
|
};
|
||
|
check_result_optix_ret(
|
||
|
optixPipelineCreate(context,
|
||
|
&pipeline_options,
|
||
|
&link_options,
|
||
|
pipeline_groups,
|
||
|
(sizeof(pipeline_groups) / sizeof(pipeline_groups[0])),
|
||
|
nullptr,
|
||
|
0,
|
||
|
&pipelines[PIP_PATH_TRACE]));
|
||
|
|
||
|
// Combine ray generation and trace continuation stack size
|
||
|
const unsigned int css = stack_size[PG_RGEN].cssRG + link_options.maxTraceDepth * trace_css;
|
||
|
|
||
|
// Set stack size depending on pipeline options
|
||
|
check_result_optix_ret(optixPipelineSetStackSize(
|
||
|
pipelines[PIP_PATH_TRACE], 0, 0, css, (pipeline_options.usesMotionBlur ? 3 : 2)));
|
||
|
}
|
||
|
|
||
|
// Only need to create shader evaluation pipeline if one of these features is used:
|
||
|
const bool use_shader_eval_pipeline = requested_features.use_baking ||
|
||
|
requested_features.use_background_light ||
|
||
|
requested_features.use_true_displacement;
|
||
|
|
||
|
if (use_shader_eval_pipeline) { // Create shader evaluation pipeline
|
||
|
OptixProgramGroup pipeline_groups[] = {
|
||
|
groups[PG_BAKE],
|
||
|
groups[PG_DISP],
|
||
|
groups[PG_BACK],
|
||
|
groups[PG_MISS],
|
||
|
groups[PG_HITD],
|
||
|
groups[PG_HITS],
|
||
|
groups[PG_HITL],
|
||
|
# ifdef WITH_CYCLES_DEBUG
|
||
|
groups[PG_EXCP],
|
||
|
# endif
|
||
|
};
|
||
|
check_result_optix_ret(
|
||
|
optixPipelineCreate(context,
|
||
|
&pipeline_options,
|
||
|
&link_options,
|
||
|
pipeline_groups,
|
||
|
(sizeof(pipeline_groups) / sizeof(pipeline_groups[0])),
|
||
|
nullptr,
|
||
|
0,
|
||
|
&pipelines[PIP_SHADER_EVAL]));
|
||
|
|
||
|
// Calculate continuation stack size based on the maximum of all ray generation stack sizes
|
||
|
const unsigned int css = max(stack_size[PG_BAKE].cssRG,
|
||
|
max(stack_size[PG_DISP].cssRG, stack_size[PG_BACK].cssRG)) +
|
||
|
link_options.maxTraceDepth * trace_css;
|
||
|
|
||
|
check_result_optix_ret(optixPipelineSetStackSize(
|
||
|
pipelines[PIP_SHADER_EVAL], 0, 0, css, (pipeline_options.usesMotionBlur ? 3 : 2)));
|
||
|
}
|
||
|
|
||
|
// Clean up program group objects
|
||
|
for (unsigned int i = 0; i < NUM_PROGRAM_GROUPS; ++i) {
|
||
|
optixProgramGroupDestroy(groups[i]);
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
void thread_run(DeviceTask &task, int thread_index) // Main task entry point
|
||
|
{
|
||
|
if (have_error())
|
||
|
return; // Abort early if there was an error previously
|
||
|
|
||
|
if (task.type == DeviceTask::RENDER) {
|
||
|
RenderTile tile;
|
||
|
while (task.acquire_tile(this, tile)) {
|
||
|
if (tile.task == RenderTile::PATH_TRACE)
|
||
|
launch_render(task, tile, thread_index);
|
||
|
else if (tile.task == RenderTile::DENOISE)
|
||
|
launch_denoise(task, tile, thread_index);
|
||
|
task.release_tile(tile);
|
||
|
if (task.get_cancel() && !task.need_finish_queue)
|
||
|
break; // User requested cancellation
|
||
|
else if (have_error())
|
||
|
break; // Abort rendering when encountering an error
|
||
|
}
|
||
|
}
|
||
|
else if (task.type == DeviceTask::SHADER) {
|
||
|
launch_shader_eval(task, thread_index);
|
||
|
}
|
||
|
else if (task.type == DeviceTask::FILM_CONVERT) {
|
||
|
launch_film_convert(task, thread_index);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void launch_render(DeviceTask &task, RenderTile &rtile, int thread_index)
|
||
|
{
|
||
|
assert(thread_index < launch_params.data_size);
|
||
|
|
||
|
// Keep track of total render time of this tile
|
||
|
const scoped_timer timer(&rtile.buffers->render_time);
|
||
|
|
||
|
WorkTile wtile;
|
||
|
wtile.x = rtile.x;
|
||
|
wtile.y = rtile.y;
|
||
|
wtile.w = rtile.w;
|
||
|
wtile.h = rtile.h;
|
||
|
wtile.offset = rtile.offset;
|
||
|
wtile.stride = rtile.stride;
|
||
|
wtile.buffer = (float *)rtile.buffer;
|
||
|
|
||
|
const int end_sample = rtile.start_sample + rtile.num_samples;
|
||
|
// Keep this number reasonable to avoid running into TDRs
|
||
|
const int step_samples = (info.display_device ? 8 : 32);
|
||
|
// Offset into launch params buffer so that streams use separate data
|
||
|
device_ptr launch_params_ptr = launch_params.device_pointer +
|
||
|
thread_index * launch_params.data_elements;
|
||
|
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
for (int sample = rtile.start_sample; sample < end_sample; sample += step_samples) {
|
||
|
// Copy work tile information to device
|
||
|
wtile.num_samples = min(step_samples, end_sample - sample);
|
||
|
wtile.start_sample = sample;
|
||
|
check_result_cuda(cuMemcpyHtoDAsync(launch_params_ptr + offsetof(KernelParams, tile),
|
||
|
&wtile,
|
||
|
sizeof(wtile),
|
||
|
cuda_stream[thread_index]));
|
||
|
|
||
|
OptixShaderBindingTable sbt_params = {};
|
||
|
sbt_params.raygenRecord = sbt_data.device_pointer + PG_RGEN * sizeof(SbtRecord);
|
||
|
# ifdef WITH_CYCLES_DEBUG
|
||
|
sbt_params.exceptionRecord = sbt_data.device_pointer + PG_EXCP * sizeof(SbtRecord);
|
||
|
# endif
|
||
|
sbt_params.missRecordBase = sbt_data.device_pointer + PG_MISS * sizeof(SbtRecord);
|
||
|
sbt_params.missRecordStrideInBytes = sizeof(SbtRecord);
|
||
|
sbt_params.missRecordCount = 1;
|
||
|
sbt_params.hitgroupRecordBase = sbt_data.device_pointer + PG_HITD * sizeof(SbtRecord);
|
||
|
sbt_params.hitgroupRecordStrideInBytes = sizeof(SbtRecord);
|
||
|
sbt_params.hitgroupRecordCount = 3; // PG_HITD, PG_HITL, PG_HITS
|
||
|
|
||
|
// Launch the ray generation program
|
||
|
check_result_optix(optixLaunch(pipelines[PIP_PATH_TRACE],
|
||
|
cuda_stream[thread_index],
|
||
|
launch_params_ptr,
|
||
|
launch_params.data_elements,
|
||
|
&sbt_params,
|
||
|
// Launch with samples close to each other for better locality
|
||
|
wtile.w * wtile.num_samples,
|
||
|
wtile.h,
|
||
|
1));
|
||
|
|
||
|
// Wait for launch to finish
|
||
|
check_result_cuda(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
// Update current sample, so it is displayed correctly
|
||
|
rtile.sample = wtile.start_sample + wtile.num_samples;
|
||
|
// Update task progress after the kernel completed rendering
|
||
|
task.update_progress(&rtile, wtile.w * wtile.h * wtile.num_samples);
|
||
|
|
||
|
if (task.get_cancel() && !task.need_finish_queue)
|
||
|
return; // Cancel rendering
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void launch_denoise(DeviceTask &task, RenderTile &rtile, int thread_index)
|
||
|
{
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
// Run CUDA denoising kernels
|
||
|
DenoisingTask denoising(this, task);
|
||
|
denoising.functions.construct_transform = function_bind(
|
||
|
&OptiXDevice::denoising_construct_transform, this, &denoising, thread_index);
|
||
|
denoising.functions.accumulate = function_bind(
|
||
|
&OptiXDevice::denoising_accumulate, this, _1, _2, _3, _4, &denoising, thread_index);
|
||
|
denoising.functions.solve = function_bind(
|
||
|
&OptiXDevice::denoising_solve, this, _1, &denoising, thread_index);
|
||
|
denoising.functions.divide_shadow = function_bind(
|
||
|
&OptiXDevice::denoising_divide_shadow, this, _1, _2, _3, _4, _5, &denoising, thread_index);
|
||
|
denoising.functions.non_local_means = function_bind(
|
||
|
&OptiXDevice::denoising_non_local_means, this, _1, _2, _3, _4, &denoising, thread_index);
|
||
|
denoising.functions.combine_halves = function_bind(&OptiXDevice::denoising_combine_halves,
|
||
|
this,
|
||
|
_1,
|
||
|
_2,
|
||
|
_3,
|
||
|
_4,
|
||
|
_5,
|
||
|
_6,
|
||
|
&denoising,
|
||
|
thread_index);
|
||
|
denoising.functions.get_feature = function_bind(
|
||
|
&OptiXDevice::denoising_get_feature, this, _1, _2, _3, _4, _5, &denoising, thread_index);
|
||
|
denoising.functions.write_feature = function_bind(
|
||
|
&OptiXDevice::denoising_write_feature, this, _1, _2, _3, &denoising, thread_index);
|
||
|
denoising.functions.detect_outliers = function_bind(
|
||
|
&OptiXDevice::denoising_detect_outliers, this, _1, _2, _3, _4, &denoising, thread_index);
|
||
|
|
||
|
denoising.filter_area = make_int4(rtile.x, rtile.y, rtile.w, rtile.h);
|
||
|
denoising.render_buffer.samples = rtile.sample = rtile.start_sample + rtile.num_samples;
|
||
|
denoising.buffer.gpu_temporary_mem = true;
|
||
|
|
||
|
denoising.run_denoising(&rtile);
|
||
|
|
||
|
task.update_progress(&rtile, rtile.w * rtile.h);
|
||
|
}
|
||
|
|
||
|
void launch_shader_eval(DeviceTask &task, int thread_index)
|
||
|
{
|
||
|
unsigned int rgen_index = PG_BACK;
|
||
|
if (task.shader_eval_type >= SHADER_EVAL_BAKE)
|
||
|
rgen_index = PG_BAKE;
|
||
|
if (task.shader_eval_type == SHADER_EVAL_DISPLACE)
|
||
|
rgen_index = PG_DISP;
|
||
|
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
device_ptr launch_params_ptr = launch_params.device_pointer +
|
||
|
thread_index * launch_params.data_elements;
|
||
|
|
||
|
for (int sample = 0; sample < task.num_samples; ++sample) {
|
||
|
ShaderParams params;
|
||
|
params.input = (uint4 *)task.shader_input;
|
||
|
params.output = (float4 *)task.shader_output;
|
||
|
params.type = task.shader_eval_type;
|
||
|
params.filter = task.shader_filter;
|
||
|
params.sx = task.shader_x;
|
||
|
params.offset = task.offset;
|
||
|
params.sample = sample;
|
||
|
|
||
|
check_result_cuda(cuMemcpyHtoDAsync(launch_params_ptr + offsetof(KernelParams, shader),
|
||
|
¶ms,
|
||
|
sizeof(params),
|
||
|
cuda_stream[thread_index]));
|
||
|
|
||
|
OptixShaderBindingTable sbt_params = {};
|
||
|
sbt_params.raygenRecord = sbt_data.device_pointer + rgen_index * sizeof(SbtRecord);
|
||
|
# ifdef WITH_CYCLES_DEBUG
|
||
|
sbt_params.exceptionRecord = sbt_data.device_pointer + PG_EXCP * sizeof(SbtRecord);
|
||
|
# endif
|
||
|
sbt_params.missRecordBase = sbt_data.device_pointer + PG_MISS * sizeof(SbtRecord);
|
||
|
sbt_params.missRecordStrideInBytes = sizeof(SbtRecord);
|
||
|
sbt_params.missRecordCount = 1;
|
||
|
sbt_params.hitgroupRecordBase = sbt_data.device_pointer + PG_HITD * sizeof(SbtRecord);
|
||
|
sbt_params.hitgroupRecordStrideInBytes = sizeof(SbtRecord);
|
||
|
sbt_params.hitgroupRecordCount = 3; // PG_HITD, PG_HITL, PG_HITS
|
||
|
|
||
|
check_result_optix(optixLaunch(pipelines[PIP_SHADER_EVAL],
|
||
|
cuda_stream[thread_index],
|
||
|
launch_params_ptr,
|
||
|
launch_params.data_elements,
|
||
|
&sbt_params,
|
||
|
task.shader_w,
|
||
|
1,
|
||
|
1));
|
||
|
|
||
|
check_result_cuda(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
task.update_progress(NULL);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void launch_film_convert(DeviceTask &task, int thread_index)
|
||
|
{
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
CUfunction film_convert_func;
|
||
|
check_result_cuda(cuModuleGetFunction(&film_convert_func,
|
||
|
cuda_module,
|
||
|
task.rgba_byte ? "kernel_cuda_convert_to_byte" :
|
||
|
"kernel_cuda_convert_to_half_float"));
|
||
|
|
||
|
float sample_scale = 1.0f / (task.sample + 1);
|
||
|
CUdeviceptr rgba = (task.rgba_byte ? task.rgba_byte : task.rgba_half);
|
||
|
|
||
|
void *args[] = {&rgba,
|
||
|
&task.buffer,
|
||
|
&sample_scale,
|
||
|
&task.x,
|
||
|
&task.y,
|
||
|
&task.w,
|
||
|
&task.h,
|
||
|
&task.offset,
|
||
|
&task.stride};
|
||
|
|
||
|
int threads_per_block;
|
||
|
check_result_cuda(cuFuncGetAttribute(
|
||
|
&threads_per_block, CU_FUNC_ATTRIBUTE_MAX_THREADS_PER_BLOCK, film_convert_func));
|
||
|
|
||
|
const int num_threads_x = (int)sqrt(threads_per_block);
|
||
|
const int num_blocks_x = (task.w + num_threads_x - 1) / num_threads_x;
|
||
|
const int num_threads_y = (int)sqrt(threads_per_block);
|
||
|
const int num_blocks_y = (task.h + num_threads_y - 1) / num_threads_y;
|
||
|
|
||
|
check_result_cuda(cuLaunchKernel(film_convert_func,
|
||
|
num_blocks_x,
|
||
|
num_blocks_y,
|
||
|
1, /* blocks */
|
||
|
num_threads_x,
|
||
|
num_threads_y,
|
||
|
1, /* threads */
|
||
|
0,
|
||
|
cuda_stream[thread_index],
|
||
|
args,
|
||
|
0));
|
||
|
|
||
|
check_result_cuda(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
task.update_progress(NULL);
|
||
|
}
|
||
|
|
||
|
bool build_optix_bvh(const OptixBuildInput &build_input,
|
||
|
uint16_t num_motion_steps,
|
||
|
device_memory &out_data,
|
||
|
OptixTraversableHandle &out_handle)
|
||
|
{
|
||
|
out_handle = 0;
|
||
|
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
// Compute memory usage
|
||
|
OptixAccelBufferSizes sizes = {};
|
||
|
OptixAccelBuildOptions options;
|
||
|
options.operation = OPTIX_BUILD_OPERATION_BUILD;
|
||
|
options.buildFlags = OPTIX_BUILD_FLAG_PREFER_FAST_TRACE;
|
||
|
options.motionOptions.numKeys = num_motion_steps;
|
||
|
options.motionOptions.flags = OPTIX_MOTION_FLAG_START_VANISH | OPTIX_MOTION_FLAG_END_VANISH;
|
||
|
options.motionOptions.timeBegin = 0.0f;
|
||
|
options.motionOptions.timeEnd = 1.0f;
|
||
|
|
||
|
check_result_optix_ret(
|
||
|
optixAccelComputeMemoryUsage(context, &options, &build_input, 1, &sizes));
|
||
|
|
||
|
// Allocate required output buffers
|
||
|
device_only_memory<char> temp_mem(this, "temp_build_mem");
|
||
|
temp_mem.alloc_to_device(sizes.tempSizeInBytes);
|
||
|
|
||
|
out_data.data_type = TYPE_UNKNOWN;
|
||
|
out_data.data_elements = 1;
|
||
|
out_data.data_size = sizes.outputSizeInBytes;
|
||
|
mem_alloc(out_data);
|
||
|
|
||
|
// Finally build the acceleration structure
|
||
|
check_result_optix_ret(optixAccelBuild(context,
|
||
|
NULL,
|
||
|
&options,
|
||
|
&build_input,
|
||
|
1,
|
||
|
temp_mem.device_pointer,
|
||
|
sizes.tempSizeInBytes,
|
||
|
out_data.device_pointer,
|
||
|
sizes.outputSizeInBytes,
|
||
|
&out_handle,
|
||
|
NULL,
|
||
|
0));
|
||
|
|
||
|
// Wait for all operations to finish
|
||
|
check_result_cuda_ret(cuStreamSynchronize(NULL));
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
bool build_optix_bvh(BVH *bvh, device_memory &out_data) override
|
||
|
{
|
||
|
assert(bvh->params.top_level);
|
||
|
|
||
|
unsigned int num_instances = 0;
|
||
|
unordered_map<Mesh *, vector<OptixTraversableHandle>> meshes;
|
||
|
|
||
|
// Clear all previous AS
|
||
|
blas.clear();
|
||
|
|
||
|
// Build bottom level acceleration structures (BLAS)
|
||
|
// Note: Always keep this logic in sync with bvh_optix.cpp!
|
||
|
for (Object *ob : bvh->objects) {
|
||
|
// Skip meshes for which acceleration structure already exists
|
||
|
if (meshes.find(ob->mesh) != meshes.end())
|
||
|
continue;
|
||
|
|
||
|
Mesh *const mesh = ob->mesh;
|
||
|
vector<OptixTraversableHandle> handles;
|
||
|
|
||
|
// Build BLAS for curve primitives
|
||
|
if (bvh->params.primitive_mask & PRIMITIVE_ALL_CURVE && mesh->num_curves() > 0) {
|
||
|
const size_t num_curves = mesh->num_curves();
|
||
|
const size_t num_segments = mesh->num_segments();
|
||
|
|
||
|
size_t num_motion_steps = 1;
|
||
|
Attribute *motion_keys = mesh->curve_attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
|
||
|
if (mesh->use_motion_blur && motion_keys) {
|
||
|
num_motion_steps = mesh->motion_steps;
|
||
|
}
|
||
|
|
||
|
device_vector<OptixAabb> aabb_data(this, "temp_aabb_data", MEM_READ_ONLY);
|
||
|
aabb_data.alloc(num_segments * num_motion_steps);
|
||
|
|
||
|
// Get AABBs for each motion step
|
||
|
for (size_t step = 0; step < num_motion_steps; ++step) {
|
||
|
const float3 *keys = mesh->curve_keys.data();
|
||
|
|
||
|
size_t center_step = (num_motion_steps - 1) / 2;
|
||
|
// The center step for motion vertices is not stored in the attribute
|
||
|
if (step != center_step) {
|
||
|
keys = motion_keys->data_float3() +
|
||
|
(step > center_step ? step - 1 : step) * num_segments;
|
||
|
}
|
||
|
|
||
|
for (size_t i = step * num_segments, j = 0; j < num_curves; ++j) {
|
||
|
const Mesh::Curve c = mesh->get_curve(j);
|
||
|
for (size_t k = 0; k < c.num_segments(); ++i, ++k) {
|
||
|
BoundBox bounds = BoundBox::empty;
|
||
|
c.bounds_grow(k, keys, mesh->curve_radius.data(), bounds);
|
||
|
aabb_data[i].minX = bounds.min.x;
|
||
|
aabb_data[i].minY = bounds.min.y;
|
||
|
aabb_data[i].minZ = bounds.min.z;
|
||
|
aabb_data[i].maxX = bounds.max.x;
|
||
|
aabb_data[i].maxY = bounds.max.y;
|
||
|
aabb_data[i].maxZ = bounds.max.z;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Upload AABB data to GPU
|
||
|
aabb_data.copy_to_device();
|
||
|
|
||
|
vector<device_ptr> aabb_ptrs;
|
||
|
aabb_ptrs.reserve(num_motion_steps);
|
||
|
for (size_t step = 0; step < num_motion_steps; ++step) {
|
||
|
aabb_ptrs.push_back(aabb_data.device_pointer + step * num_segments * sizeof(OptixAabb));
|
||
|
}
|
||
|
|
||
|
// Disable visibility test anyhit program, since it is already checked during intersection
|
||
|
// Those trace calls that require anyhit can force it with OPTIX_RAY_FLAG_ENFORCE_ANYHIT
|
||
|
unsigned int build_flags = OPTIX_GEOMETRY_FLAG_DISABLE_ANYHIT;
|
||
|
|
||
|
OptixBuildInput build_input = {};
|
||
|
build_input.type = OPTIX_BUILD_INPUT_TYPE_CUSTOM_PRIMITIVES;
|
||
|
build_input.aabbArray.aabbBuffers = (CUdeviceptr *)aabb_ptrs.data();
|
||
|
build_input.aabbArray.numPrimitives = num_segments;
|
||
|
build_input.aabbArray.strideInBytes = sizeof(OptixAabb);
|
||
|
build_input.aabbArray.flags = &build_flags;
|
||
|
build_input.aabbArray.numSbtRecords = 1;
|
||
|
build_input.aabbArray.primitiveIndexOffset = mesh->prim_offset;
|
||
|
|
||
|
// Allocate memory for new BLAS and build it
|
||
|
blas.emplace_back(this, "blas");
|
||
|
handles.emplace_back();
|
||
|
if (!build_optix_bvh(build_input, num_motion_steps, blas.back(), handles.back()))
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
// Build BLAS for triangle primitives
|
||
|
if (bvh->params.primitive_mask & PRIMITIVE_ALL_TRIANGLE && mesh->num_triangles() > 0) {
|
||
|
const size_t num_verts = mesh->verts.size();
|
||
|
|
||
|
size_t num_motion_steps = 1;
|
||
|
Attribute *motion_keys = mesh->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION);
|
||
|
if (mesh->use_motion_blur && motion_keys) {
|
||
|
num_motion_steps = mesh->motion_steps;
|
||
|
}
|
||
|
|
||
|
device_vector<int> index_data(this, "temp_index_data", MEM_READ_ONLY);
|
||
|
index_data.alloc(mesh->triangles.size());
|
||
|
memcpy(index_data.data(), mesh->triangles.data(), mesh->triangles.size() * sizeof(int));
|
||
|
device_vector<float3> vertex_data(this, "temp_vertex_data", MEM_READ_ONLY);
|
||
|
vertex_data.alloc(num_verts * num_motion_steps);
|
||
|
|
||
|
for (size_t step = 0; step < num_motion_steps; ++step) {
|
||
|
const float3 *verts = mesh->verts.data();
|
||
|
|
||
|
size_t center_step = (num_motion_steps - 1) / 2;
|
||
|
// The center step for motion vertices is not stored in the attribute
|
||
|
if (step != center_step) {
|
||
|
verts = motion_keys->data_float3() +
|
||
|
(step > center_step ? step - 1 : step) * num_verts;
|
||
|
}
|
||
|
|
||
|
memcpy(vertex_data.data() + num_verts * step, verts, num_verts * sizeof(float3));
|
||
|
}
|
||
|
|
||
|
// Upload triangle data to GPU
|
||
|
index_data.copy_to_device();
|
||
|
vertex_data.copy_to_device();
|
||
|
|
||
|
vector<device_ptr> vertex_ptrs;
|
||
|
vertex_ptrs.reserve(num_motion_steps);
|
||
|
for (size_t step = 0; step < num_motion_steps; ++step) {
|
||
|
vertex_ptrs.push_back(vertex_data.device_pointer + num_verts * step * sizeof(float3));
|
||
|
}
|
||
|
|
||
|
// No special build flags for triangle primitives
|
||
|
unsigned int build_flags = OPTIX_GEOMETRY_FLAG_NONE;
|
||
|
|
||
|
OptixBuildInput build_input = {};
|
||
|
build_input.type = OPTIX_BUILD_INPUT_TYPE_TRIANGLES;
|
||
|
build_input.triangleArray.vertexBuffers = (CUdeviceptr *)vertex_ptrs.data();
|
||
|
build_input.triangleArray.numVertices = num_verts;
|
||
|
build_input.triangleArray.vertexFormat = OPTIX_VERTEX_FORMAT_FLOAT3;
|
||
|
build_input.triangleArray.vertexStrideInBytes = sizeof(float3);
|
||
|
build_input.triangleArray.indexBuffer = index_data.device_pointer;
|
||
|
build_input.triangleArray.numIndexTriplets = mesh->num_triangles();
|
||
|
build_input.triangleArray.indexFormat = OPTIX_INDICES_FORMAT_UNSIGNED_INT3;
|
||
|
build_input.triangleArray.indexStrideInBytes = 3 * sizeof(int);
|
||
|
build_input.triangleArray.flags = &build_flags;
|
||
|
// The SBT does not store per primitive data since Cycles already allocates separate
|
||
|
// buffers for that purpose. OptiX does not allow this to be zero though, so just pass in
|
||
|
// one and rely on that having the same meaning in this case.
|
||
|
build_input.triangleArray.numSbtRecords = 1;
|
||
|
// Triangle primitives are packed right after the curve primitives of this mesh
|
||
|
build_input.triangleArray.primitiveIndexOffset = mesh->prim_offset + mesh->num_segments();
|
||
|
|
||
|
// Allocate memory for new BLAS and build it
|
||
|
blas.emplace_back(this, "blas");
|
||
|
handles.emplace_back();
|
||
|
if (!build_optix_bvh(build_input, num_motion_steps, blas.back(), handles.back()))
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
meshes.insert({mesh, handles});
|
||
|
}
|
||
|
|
||
|
// Fill instance descriptions
|
||
|
device_vector<OptixAabb> aabbs(this, "tlas_aabbs", MEM_READ_ONLY);
|
||
|
aabbs.alloc(bvh->objects.size() * 2);
|
||
|
device_vector<OptixInstance> instances(this, "tlas_instances", MEM_READ_ONLY);
|
||
|
instances.alloc(bvh->objects.size() * 2);
|
||
|
|
||
|
for (Object *ob : bvh->objects) {
|
||
|
// Skip non-traceable objects
|
||
|
if (!ob->is_traceable())
|
||
|
continue;
|
||
|
// Create separate instance for triangle/curve meshes of an object
|
||
|
for (OptixTraversableHandle handle : meshes[ob->mesh]) {
|
||
|
OptixAabb &aabb = aabbs[num_instances];
|
||
|
aabb.minX = ob->bounds.min.x;
|
||
|
aabb.minY = ob->bounds.min.y;
|
||
|
aabb.minZ = ob->bounds.min.z;
|
||
|
aabb.maxX = ob->bounds.max.x;
|
||
|
aabb.maxY = ob->bounds.max.y;
|
||
|
aabb.maxZ = ob->bounds.max.z;
|
||
|
|
||
|
OptixInstance &instance = instances[num_instances++];
|
||
|
memset(&instance, 0, sizeof(instance));
|
||
|
|
||
|
// Clear transform to identity matrix
|
||
|
instance.transform[0] = 1.0f;
|
||
|
instance.transform[5] = 1.0f;
|
||
|
instance.transform[10] = 1.0f;
|
||
|
|
||
|
// Set user instance ID to object index
|
||
|
instance.instanceId = ob->get_device_index();
|
||
|
|
||
|
// Volumes have a special bit set in the visibility mask so a trace can mask only volumes
|
||
|
// See 'scene_intersect_volume' in bvh.h
|
||
|
instance.visibilityMask = (ob->mesh->has_volume ? 3 : 1);
|
||
|
|
||
|
// Insert motion traversable if object has motion
|
||
|
if (ob->use_motion()) {
|
||
|
blas.emplace_back(this, "motion_transform");
|
||
|
device_only_memory<uint8_t> &motion_transform_gpu = blas.back();
|
||
|
motion_transform_gpu.alloc_to_device(sizeof(OptixSRTMotionTransform) +
|
||
|
(max(ob->motion.size(), 2) - 2) *
|
||
|
sizeof(OptixSRTData));
|
||
|
|
||
|
// Allocate host side memory for motion transform and fill it with transform data
|
||
|
OptixSRTMotionTransform &motion_transform = *reinterpret_cast<OptixSRTMotionTransform *>(
|
||
|
motion_transform_gpu.host_pointer = new uint8_t[motion_transform_gpu.memory_size()]);
|
||
|
motion_transform.child = handle;
|
||
|
motion_transform.motionOptions.numKeys = ob->motion.size();
|
||
|
motion_transform.motionOptions.flags = OPTIX_MOTION_FLAG_NONE;
|
||
|
motion_transform.motionOptions.timeBegin = 0.0f;
|
||
|
motion_transform.motionOptions.timeEnd = 1.0f;
|
||
|
|
||
|
OptixSRTData *const srt_data = motion_transform.srtData;
|
||
|
array<DecomposedTransform> decomp(ob->motion.size());
|
||
|
transform_motion_decompose(decomp.data(), ob->motion.data(), ob->motion.size());
|
||
|
|
||
|
for (size_t i = 0; i < ob->motion.size(); ++i) {
|
||
|
// scaling
|
||
|
srt_data[i].a = decomp[i].z.x; // scale.x.y
|
||
|
srt_data[i].b = decomp[i].z.y; // scale.x.z
|
||
|
srt_data[i].c = decomp[i].w.x; // scale.y.z
|
||
|
srt_data[i].sx = decomp[i].y.w; // scale.x.x
|
||
|
srt_data[i].sy = decomp[i].z.w; // scale.y.y
|
||
|
srt_data[i].sz = decomp[i].w.w; // scale.z.z
|
||
|
srt_data[i].pvx = 0;
|
||
|
srt_data[i].pvy = 0;
|
||
|
srt_data[i].pvz = 0;
|
||
|
// rotation
|
||
|
srt_data[i].qx = decomp[i].x.x;
|
||
|
srt_data[i].qy = decomp[i].x.y;
|
||
|
srt_data[i].qz = decomp[i].x.z;
|
||
|
srt_data[i].qw = decomp[i].x.w;
|
||
|
// transform
|
||
|
srt_data[i].tx = decomp[i].y.x;
|
||
|
srt_data[i].ty = decomp[i].y.y;
|
||
|
srt_data[i].tz = decomp[i].y.z;
|
||
|
}
|
||
|
|
||
|
// Upload motion transform to GPU
|
||
|
mem_copy_to(motion_transform_gpu);
|
||
|
delete[] reinterpret_cast<uint8_t *>(motion_transform_gpu.host_pointer);
|
||
|
motion_transform_gpu.host_pointer = 0;
|
||
|
|
||
|
// Disable instance transform if object uses motion transform already
|
||
|
instance.flags = OPTIX_INSTANCE_FLAG_DISABLE_TRANSFORM;
|
||
|
|
||
|
// Get traversable handle to motion transform
|
||
|
optixConvertPointerToTraversableHandle(context,
|
||
|
motion_transform_gpu.device_pointer,
|
||
|
OPTIX_TRAVERSABLE_TYPE_SRT_MOTION_TRANSFORM,
|
||
|
&instance.traversableHandle);
|
||
|
}
|
||
|
else {
|
||
|
instance.traversableHandle = handle;
|
||
|
|
||
|
if (ob->mesh->is_instanced()) {
|
||
|
// Set transform matrix
|
||
|
memcpy(instance.transform, &ob->tfm, sizeof(instance.transform));
|
||
|
}
|
||
|
else {
|
||
|
// Disable instance transform if mesh already has it applied to vertex data
|
||
|
instance.flags = OPTIX_INSTANCE_FLAG_DISABLE_TRANSFORM;
|
||
|
// Non-instanced objects read ID from prim_object, so
|
||
|
// distinguish them from instanced objects with high bit set
|
||
|
instance.instanceId |= 0x800000;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Upload instance descriptions
|
||
|
aabbs.resize(num_instances);
|
||
|
aabbs.copy_to_device();
|
||
|
instances.resize(num_instances);
|
||
|
instances.copy_to_device();
|
||
|
|
||
|
// Build top-level acceleration structure
|
||
|
OptixBuildInput build_input = {};
|
||
|
build_input.type = OPTIX_BUILD_INPUT_TYPE_INSTANCES;
|
||
|
build_input.instanceArray.instances = instances.device_pointer;
|
||
|
build_input.instanceArray.numInstances = num_instances;
|
||
|
build_input.instanceArray.aabbs = aabbs.device_pointer;
|
||
|
build_input.instanceArray.numAabbs = num_instances;
|
||
|
|
||
|
return build_optix_bvh(build_input, 0 /* TLAS has no motion itself */, out_data, tlas_handle);
|
||
|
}
|
||
|
|
||
|
void update_texture_info()
|
||
|
{
|
||
|
if (need_texture_info) {
|
||
|
texture_info.copy_to_device();
|
||
|
need_texture_info = false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void update_launch_params(const char *name, size_t offset, void *data, size_t data_size)
|
||
|
{
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
for (int i = 0; i < info.cpu_threads; ++i)
|
||
|
check_result_cuda(
|
||
|
cuMemcpyHtoD(launch_params.device_pointer + i * launch_params.data_elements + offset,
|
||
|
data,
|
||
|
data_size));
|
||
|
|
||
|
// Set constant memory for CUDA module
|
||
|
// TODO(pmours): This is only used for tonemapping (see 'launch_film_convert').
|
||
|
// Could be removed by moving those functions to filter CUDA module.
|
||
|
size_t bytes = 0;
|
||
|
CUdeviceptr mem = 0;
|
||
|
check_result_cuda(cuModuleGetGlobal(&mem, &bytes, cuda_module, name));
|
||
|
assert(mem != NULL && bytes == data_size);
|
||
|
check_result_cuda(cuMemcpyHtoD(mem, data, data_size));
|
||
|
}
|
||
|
|
||
|
void mem_alloc(device_memory &mem) override
|
||
|
{
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
mem.device_size = mem.memory_size();
|
||
|
|
||
|
if (mem.type == MEM_TEXTURE && mem.interpolation != INTERPOLATION_NONE) {
|
||
|
CUDAMem &cmem = cuda_mem_map[&mem]; // Lock and get associated memory information
|
||
|
|
||
|
CUDA_TEXTURE_DESC tex_desc = {};
|
||
|
tex_desc.flags = CU_TRSF_NORMALIZED_COORDINATES;
|
||
|
CUDA_RESOURCE_DESC res_desc = {};
|
||
|
|
||
|
switch (mem.extension) {
|
||
|
default:
|
||
|
assert(0);
|
||
|
case EXTENSION_REPEAT:
|
||
|
tex_desc.addressMode[0] = tex_desc.addressMode[1] = tex_desc.addressMode[2] =
|
||
|
CU_TR_ADDRESS_MODE_WRAP;
|
||
|
break;
|
||
|
case EXTENSION_EXTEND:
|
||
|
tex_desc.addressMode[0] = tex_desc.addressMode[1] = tex_desc.addressMode[2] =
|
||
|
CU_TR_ADDRESS_MODE_CLAMP;
|
||
|
break;
|
||
|
case EXTENSION_CLIP:
|
||
|
tex_desc.addressMode[0] = tex_desc.addressMode[1] = tex_desc.addressMode[2] =
|
||
|
CU_TR_ADDRESS_MODE_BORDER;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
switch (mem.interpolation) {
|
||
|
default: // Default to linear for unsupported interpolation types
|
||
|
case INTERPOLATION_LINEAR:
|
||
|
tex_desc.filterMode = CU_TR_FILTER_MODE_LINEAR;
|
||
|
break;
|
||
|
case INTERPOLATION_CLOSEST:
|
||
|
tex_desc.filterMode = CU_TR_FILTER_MODE_POINT;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
CUarray_format format;
|
||
|
switch (mem.data_type) {
|
||
|
default:
|
||
|
assert(0);
|
||
|
case TYPE_UCHAR:
|
||
|
format = CU_AD_FORMAT_UNSIGNED_INT8;
|
||
|
break;
|
||
|
case TYPE_UINT16:
|
||
|
format = CU_AD_FORMAT_UNSIGNED_INT16;
|
||
|
break;
|
||
|
case TYPE_UINT:
|
||
|
format = CU_AD_FORMAT_UNSIGNED_INT32;
|
||
|
break;
|
||
|
case TYPE_INT:
|
||
|
format = CU_AD_FORMAT_SIGNED_INT32;
|
||
|
break;
|
||
|
case TYPE_FLOAT:
|
||
|
format = CU_AD_FORMAT_FLOAT;
|
||
|
break;
|
||
|
case TYPE_HALF:
|
||
|
format = CU_AD_FORMAT_HALF;
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
if (mem.data_depth > 1) { /* 3D texture using array. */
|
||
|
CUDA_ARRAY3D_DESCRIPTOR desc;
|
||
|
desc.Width = mem.data_width;
|
||
|
desc.Height = mem.data_height;
|
||
|
desc.Depth = mem.data_depth;
|
||
|
desc.Format = format;
|
||
|
desc.NumChannels = mem.data_elements;
|
||
|
desc.Flags = 0;
|
||
|
|
||
|
check_result_cuda(cuArray3DCreate(&cmem.array, &desc));
|
||
|
mem.device_pointer = (device_ptr)cmem.array;
|
||
|
|
||
|
res_desc.resType = CU_RESOURCE_TYPE_ARRAY;
|
||
|
res_desc.res.array.hArray = cmem.array;
|
||
|
}
|
||
|
else if (mem.data_height > 0) { /* 2D texture using array. */
|
||
|
CUDA_ARRAY_DESCRIPTOR desc;
|
||
|
desc.Width = mem.data_width;
|
||
|
desc.Height = mem.data_height;
|
||
|
desc.Format = format;
|
||
|
desc.NumChannels = mem.data_elements;
|
||
|
|
||
|
check_result_cuda(cuArrayCreate(&cmem.array, &desc));
|
||
|
mem.device_pointer = (device_ptr)cmem.array;
|
||
|
|
||
|
res_desc.resType = CU_RESOURCE_TYPE_ARRAY;
|
||
|
res_desc.res.array.hArray = cmem.array;
|
||
|
}
|
||
|
else {
|
||
|
check_result_cuda(cuMemAlloc((CUdeviceptr *)&mem.device_pointer, mem.device_size));
|
||
|
|
||
|
res_desc.resType = CU_RESOURCE_TYPE_LINEAR;
|
||
|
res_desc.res.linear.devPtr = (CUdeviceptr)mem.device_pointer;
|
||
|
res_desc.res.linear.format = format;
|
||
|
res_desc.res.linear.numChannels = mem.data_elements;
|
||
|
res_desc.res.linear.sizeInBytes = mem.device_size;
|
||
|
}
|
||
|
|
||
|
check_result_cuda(cuTexObjectCreate(&cmem.texobject, &res_desc, &tex_desc, NULL));
|
||
|
|
||
|
int flat_slot = 0;
|
||
|
if (string_startswith(mem.name, "__tex_image")) {
|
||
|
flat_slot = atoi(mem.name + string(mem.name).rfind("_") + 1);
|
||
|
}
|
||
|
|
||
|
if (flat_slot >= texture_info.size())
|
||
|
texture_info.resize(flat_slot + 128);
|
||
|
|
||
|
TextureInfo &info = texture_info[flat_slot];
|
||
|
info.data = (uint64_t)cmem.texobject;
|
||
|
info.cl_buffer = 0;
|
||
|
info.interpolation = mem.interpolation;
|
||
|
info.extension = mem.extension;
|
||
|
info.width = mem.data_width;
|
||
|
info.height = mem.data_height;
|
||
|
info.depth = mem.data_depth;
|
||
|
|
||
|
// Texture information has changed and needs an update, delay this to next launch
|
||
|
need_texture_info = true;
|
||
|
}
|
||
|
else {
|
||
|
// This is not a texture but simple linear memory
|
||
|
check_result_cuda(cuMemAlloc((CUdeviceptr *)&mem.device_pointer, mem.device_size));
|
||
|
|
||
|
// Update data storage pointers in launch parameters
|
||
|
# define KERNEL_TEX(data_type, tex_name) \
|
||
|
if (strcmp(mem.name, #tex_name) == 0) \
|
||
|
update_launch_params( \
|
||
|
mem.name, offsetof(KernelParams, tex_name), &mem.device_pointer, sizeof(device_ptr));
|
||
|
# include "kernel/kernel_textures.h"
|
||
|
# undef KERNEL_TEX
|
||
|
}
|
||
|
|
||
|
stats.mem_alloc(mem.device_size);
|
||
|
}
|
||
|
|
||
|
void mem_copy_to(device_memory &mem) override
|
||
|
{
|
||
|
if (!mem.host_pointer || mem.host_pointer == mem.shared_pointer)
|
||
|
return;
|
||
|
if (!mem.device_pointer)
|
||
|
mem_alloc(mem); // Need to allocate memory first if it does not exist yet
|
||
|
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
if (mem.type == MEM_TEXTURE && mem.interpolation != INTERPOLATION_NONE) {
|
||
|
const CUDAMem &cmem = cuda_mem_map[&mem]; // Lock and get associated memory information
|
||
|
|
||
|
size_t src_pitch = mem.data_width * datatype_size(mem.data_type) * mem.data_elements;
|
||
|
|
||
|
if (mem.data_depth > 1) {
|
||
|
CUDA_MEMCPY3D param;
|
||
|
memset(¶m, 0, sizeof(param));
|
||
|
param.dstMemoryType = CU_MEMORYTYPE_ARRAY;
|
||
|
param.dstArray = cmem.array;
|
||
|
param.srcMemoryType = CU_MEMORYTYPE_HOST;
|
||
|
param.srcHost = mem.host_pointer;
|
||
|
param.srcPitch = src_pitch;
|
||
|
param.WidthInBytes = param.srcPitch;
|
||
|
param.Height = mem.data_height;
|
||
|
param.Depth = mem.data_depth;
|
||
|
|
||
|
check_result_cuda(cuMemcpy3D(¶m));
|
||
|
}
|
||
|
else if (mem.data_height > 0) {
|
||
|
CUDA_MEMCPY2D param;
|
||
|
memset(¶m, 0, sizeof(param));
|
||
|
param.dstMemoryType = CU_MEMORYTYPE_ARRAY;
|
||
|
param.dstArray = cmem.array;
|
||
|
param.srcMemoryType = CU_MEMORYTYPE_HOST;
|
||
|
param.srcHost = mem.host_pointer;
|
||
|
param.srcPitch = src_pitch;
|
||
|
param.WidthInBytes = param.srcPitch;
|
||
|
param.Height = mem.data_height;
|
||
|
|
||
|
check_result_cuda(cuMemcpy2D(¶m));
|
||
|
}
|
||
|
else {
|
||
|
check_result_cuda(
|
||
|
cuMemcpyHtoD((CUdeviceptr)mem.device_pointer, mem.host_pointer, mem.device_size));
|
||
|
}
|
||
|
}
|
||
|
else {
|
||
|
// This is not a texture but simple linear memory
|
||
|
check_result_cuda(
|
||
|
cuMemcpyHtoD((CUdeviceptr)mem.device_pointer, mem.host_pointer, mem.device_size));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void mem_copy_from(device_memory &mem, int y, int w, int h, int elem) override
|
||
|
{
|
||
|
// Calculate linear memory offset and size
|
||
|
const size_t size = elem * w * h;
|
||
|
const size_t offset = elem * y * w;
|
||
|
|
||
|
if (mem.host_pointer && mem.device_pointer) {
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
check_result_cuda(cuMemcpyDtoH(
|
||
|
(char *)mem.host_pointer + offset, (CUdeviceptr)mem.device_pointer + offset, size));
|
||
|
}
|
||
|
else if (mem.host_pointer) {
|
||
|
memset((char *)mem.host_pointer + offset, 0, size);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void mem_zero(device_memory &mem) override
|
||
|
{
|
||
|
if (mem.host_pointer)
|
||
|
memset(mem.host_pointer, 0, mem.memory_size());
|
||
|
if (mem.host_pointer && mem.host_pointer == mem.shared_pointer)
|
||
|
return; // This is shared host memory, so no device memory to update
|
||
|
|
||
|
if (!mem.device_pointer)
|
||
|
mem_alloc(mem); // Need to allocate memory first if it does not exist yet
|
||
|
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
check_result_cuda(cuMemsetD8((CUdeviceptr)mem.device_pointer, 0, mem.memory_size()));
|
||
|
}
|
||
|
|
||
|
void mem_free(device_memory &mem) override
|
||
|
{
|
||
|
assert(mem.device_pointer);
|
||
|
|
||
|
const CUDAContextScope scope(cuda_context);
|
||
|
|
||
|
if (mem.type == MEM_TEXTURE && mem.interpolation != INTERPOLATION_NONE) {
|
||
|
CUDAMem &cmem = cuda_mem_map[&mem]; // Lock and get associated memory information
|
||
|
|
||
|
if (cmem.array)
|
||
|
cuArrayDestroy(cmem.array);
|
||
|
else
|
||
|
cuMemFree((CUdeviceptr)mem.device_pointer);
|
||
|
|
||
|
if (cmem.texobject)
|
||
|
cuTexObjectDestroy(cmem.texobject);
|
||
|
}
|
||
|
else {
|
||
|
// This is not a texture but simple linear memory
|
||
|
cuMemFree((CUdeviceptr)mem.device_pointer);
|
||
|
}
|
||
|
|
||
|
stats.mem_free(mem.device_size);
|
||
|
|
||
|
mem.device_size = 0;
|
||
|
mem.device_pointer = 0;
|
||
|
}
|
||
|
|
||
|
void const_copy_to(const char *name, void *host, size_t size) override
|
||
|
{
|
||
|
if (strcmp(name, "__data") == 0) {
|
||
|
assert(size <= sizeof(KernelData));
|
||
|
|
||
|
// Fix traversable handle on multi devices
|
||
|
KernelData *const data = (KernelData *)host;
|
||
|
*(OptixTraversableHandle *)&data->bvh.scene = tlas_handle;
|
||
|
|
||
|
update_launch_params(name, offsetof(KernelParams, data), host, size);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
device_ptr mem_alloc_sub_ptr(device_memory &mem, int offset, int /*size*/) override
|
||
|
{
|
||
|
return (device_ptr)(((char *)mem.device_pointer) + mem.memory_elements_size(offset));
|
||
|
}
|
||
|
|
||
|
void task_add(DeviceTask &task) override
|
||
|
{
|
||
|
// Upload texture information to device if it has changed since last launch
|
||
|
update_texture_info();
|
||
|
|
||
|
// Split task into smaller ones
|
||
|
list<DeviceTask> tasks;
|
||
|
task.split(tasks, info.cpu_threads);
|
||
|
|
||
|
// Queue tasks in internal task pool
|
||
|
struct OptiXDeviceTask : public DeviceTask {
|
||
|
OptiXDeviceTask(OptiXDevice *device, DeviceTask &task, int task_index) : DeviceTask(task)
|
||
|
{
|
||
|
// Using task index parameter instead of thread index, since number of CUDA streams may
|
||
|
// differ from number of threads
|
||
|
run = function_bind(&OptiXDevice::thread_run, device, *this, task_index);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
int task_index = 0;
|
||
|
for (DeviceTask &task : tasks)
|
||
|
task_pool.push(new OptiXDeviceTask(this, task, task_index++));
|
||
|
}
|
||
|
|
||
|
void task_wait() override
|
||
|
{
|
||
|
// Wait for all queued tasks to finish
|
||
|
task_pool.wait_work();
|
||
|
}
|
||
|
|
||
|
void task_cancel() override
|
||
|
{
|
||
|
// Cancel any remaining tasks in the internal pool
|
||
|
task_pool.cancel();
|
||
|
}
|
||
|
|
||
|
# define CUDA_GET_BLOCKSIZE(func, w, h) \
|
||
|
int threads; \
|
||
|
check_result_cuda_ret( \
|
||
|
cuFuncGetAttribute(&threads, CU_FUNC_ATTRIBUTE_MAX_THREADS_PER_BLOCK, func)); \
|
||
|
threads = (int)sqrt((float)threads); \
|
||
|
int xblocks = ((w) + threads - 1) / threads; \
|
||
|
int yblocks = ((h) + threads - 1) / threads;
|
||
|
|
||
|
# define CUDA_LAUNCH_KERNEL(func, args) \
|
||
|
check_result_cuda_ret(cuLaunchKernel( \
|
||
|
func, xblocks, yblocks, 1, threads, threads, 1, 0, cuda_stream[thread_index], args, 0));
|
||
|
|
||
|
/* Similar as above, but for 1-dimensional blocks. */
|
||
|
# define CUDA_GET_BLOCKSIZE_1D(func, w, h) \
|
||
|
int threads; \
|
||
|
check_result_cuda_ret( \
|
||
|
cuFuncGetAttribute(&threads, CU_FUNC_ATTRIBUTE_MAX_THREADS_PER_BLOCK, func)); \
|
||
|
int xblocks = ((w) + threads - 1) / threads; \
|
||
|
int yblocks = h;
|
||
|
|
||
|
# define CUDA_LAUNCH_KERNEL_1D(func, args) \
|
||
|
check_result_cuda_ret(cuLaunchKernel( \
|
||
|
func, xblocks, yblocks, 1, threads, 1, 1, 0, cuda_stream[thread_index], args, 0));
|
||
|
|
||
|
bool denoising_non_local_means(device_ptr image_ptr,
|
||
|
device_ptr guide_ptr,
|
||
|
device_ptr variance_ptr,
|
||
|
device_ptr out_ptr,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
int stride = task->buffer.stride;
|
||
|
int w = task->buffer.width;
|
||
|
int h = task->buffer.h;
|
||
|
int r = task->nlm_state.r;
|
||
|
int f = task->nlm_state.f;
|
||
|
float a = task->nlm_state.a;
|
||
|
float k_2 = task->nlm_state.k_2;
|
||
|
|
||
|
int pass_stride = task->buffer.pass_stride;
|
||
|
int num_shifts = (2 * r + 1) * (2 * r + 1);
|
||
|
int channel_offset = task->nlm_state.is_color ? task->buffer.pass_stride : 0;
|
||
|
int frame_offset = 0;
|
||
|
|
||
|
CUdeviceptr difference = (CUdeviceptr)task->buffer.temporary_mem.device_pointer;
|
||
|
CUdeviceptr blurDifference = difference + sizeof(float) * pass_stride * num_shifts;
|
||
|
CUdeviceptr weightAccum = difference + 2 * sizeof(float) * pass_stride * num_shifts;
|
||
|
CUdeviceptr scale_ptr = 0;
|
||
|
|
||
|
check_result_cuda_ret(
|
||
|
cuMemsetD8Async(weightAccum, 0, sizeof(float) * pass_stride, cuda_stream[thread_index]));
|
||
|
check_result_cuda_ret(
|
||
|
cuMemsetD8Async(out_ptr, 0, sizeof(float) * pass_stride, cuda_stream[thread_index]));
|
||
|
|
||
|
{
|
||
|
CUfunction cuNLMCalcDifference, cuNLMBlur, cuNLMCalcWeight, cuNLMUpdateOutput;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMCalcDifference, cuda_filter_module, "kernel_cuda_filter_nlm_calc_difference"));
|
||
|
check_result_cuda_ret(
|
||
|
cuModuleGetFunction(&cuNLMBlur, cuda_filter_module, "kernel_cuda_filter_nlm_blur"));
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMCalcWeight, cuda_filter_module, "kernel_cuda_filter_nlm_calc_weight"));
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMUpdateOutput, cuda_filter_module, "kernel_cuda_filter_nlm_update_output"));
|
||
|
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMCalcDifference, CU_FUNC_CACHE_PREFER_L1));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMBlur, CU_FUNC_CACHE_PREFER_L1));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMCalcWeight, CU_FUNC_CACHE_PREFER_L1));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMUpdateOutput, CU_FUNC_CACHE_PREFER_L1));
|
||
|
|
||
|
CUDA_GET_BLOCKSIZE_1D(cuNLMCalcDifference, w * h, num_shifts);
|
||
|
|
||
|
void *calc_difference_args[] = {&guide_ptr,
|
||
|
&variance_ptr,
|
||
|
&scale_ptr,
|
||
|
&difference,
|
||
|
&w,
|
||
|
&h,
|
||
|
&stride,
|
||
|
&pass_stride,
|
||
|
&r,
|
||
|
&channel_offset,
|
||
|
&frame_offset,
|
||
|
&a,
|
||
|
&k_2};
|
||
|
void *blur_args[] = {&difference, &blurDifference, &w, &h, &stride, &pass_stride, &r, &f};
|
||
|
void *calc_weight_args[] = {
|
||
|
&blurDifference, &difference, &w, &h, &stride, &pass_stride, &r, &f};
|
||
|
void *update_output_args[] = {&blurDifference,
|
||
|
&image_ptr,
|
||
|
&out_ptr,
|
||
|
&weightAccum,
|
||
|
&w,
|
||
|
&h,
|
||
|
&stride,
|
||
|
&pass_stride,
|
||
|
&channel_offset,
|
||
|
&r,
|
||
|
&f};
|
||
|
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMCalcDifference, calc_difference_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMBlur, blur_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMCalcWeight, calc_weight_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMBlur, blur_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMUpdateOutput, update_output_args);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
CUfunction cuNLMNormalize;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMNormalize, cuda_filter_module, "kernel_cuda_filter_nlm_normalize"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMNormalize, CU_FUNC_CACHE_PREFER_L1));
|
||
|
void *normalize_args[] = {&out_ptr, &weightAccum, &w, &h, &stride};
|
||
|
CUDA_GET_BLOCKSIZE(cuNLMNormalize, w, h);
|
||
|
CUDA_LAUNCH_KERNEL(cuNLMNormalize, normalize_args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
}
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_construct_transform(DenoisingTask *task, int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFilterConstructTransform;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(&cuFilterConstructTransform,
|
||
|
cuda_filter_module,
|
||
|
"kernel_cuda_filter_construct_transform"));
|
||
|
check_result_cuda_ret(
|
||
|
cuFuncSetCacheConfig(cuFilterConstructTransform, CU_FUNC_CACHE_PREFER_SHARED));
|
||
|
CUDA_GET_BLOCKSIZE(cuFilterConstructTransform, task->storage.w, task->storage.h);
|
||
|
|
||
|
void *args[] = {&task->buffer.mem.device_pointer,
|
||
|
&task->tile_info_mem.device_pointer,
|
||
|
&task->storage.transform.device_pointer,
|
||
|
&task->storage.rank.device_pointer,
|
||
|
&task->filter_area,
|
||
|
&task->rect,
|
||
|
&task->radius,
|
||
|
&task->pca_threshold,
|
||
|
&task->buffer.pass_stride,
|
||
|
&task->buffer.frame_stride,
|
||
|
&task->buffer.use_time};
|
||
|
CUDA_LAUNCH_KERNEL(cuFilterConstructTransform, args);
|
||
|
check_result_cuda_ret(cuCtxSynchronize());
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_accumulate(device_ptr color_ptr,
|
||
|
device_ptr color_variance_ptr,
|
||
|
device_ptr scale_ptr,
|
||
|
int frame,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
int r = task->radius;
|
||
|
int f = 4;
|
||
|
float a = 1.0f;
|
||
|
float k_2 = task->nlm_k_2;
|
||
|
|
||
|
int w = task->reconstruction_state.source_w;
|
||
|
int h = task->reconstruction_state.source_h;
|
||
|
int stride = task->buffer.stride;
|
||
|
int frame_offset = frame * task->buffer.frame_stride;
|
||
|
int t = task->tile_info->frames[frame];
|
||
|
|
||
|
int pass_stride = task->buffer.pass_stride;
|
||
|
int num_shifts = (2 * r + 1) * (2 * r + 1);
|
||
|
|
||
|
CUdeviceptr difference = (CUdeviceptr)task->buffer.temporary_mem.device_pointer;
|
||
|
CUdeviceptr blurDifference = difference + sizeof(float) * pass_stride * num_shifts;
|
||
|
|
||
|
CUfunction cuNLMCalcDifference, cuNLMBlur, cuNLMCalcWeight, cuNLMConstructGramian;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMCalcDifference, cuda_filter_module, "kernel_cuda_filter_nlm_calc_difference"));
|
||
|
check_result_cuda_ret(
|
||
|
cuModuleGetFunction(&cuNLMBlur, cuda_filter_module, "kernel_cuda_filter_nlm_blur"));
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMCalcWeight, cuda_filter_module, "kernel_cuda_filter_nlm_calc_weight"));
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuNLMConstructGramian, cuda_filter_module, "kernel_cuda_filter_nlm_construct_gramian"));
|
||
|
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMCalcDifference, CU_FUNC_CACHE_PREFER_L1));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMBlur, CU_FUNC_CACHE_PREFER_L1));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuNLMCalcWeight, CU_FUNC_CACHE_PREFER_L1));
|
||
|
check_result_cuda_ret(
|
||
|
cuFuncSetCacheConfig(cuNLMConstructGramian, CU_FUNC_CACHE_PREFER_SHARED));
|
||
|
|
||
|
CUDA_GET_BLOCKSIZE_1D(cuNLMCalcDifference,
|
||
|
task->reconstruction_state.source_w *
|
||
|
task->reconstruction_state.source_h,
|
||
|
num_shifts);
|
||
|
|
||
|
void *calc_difference_args[] = {&color_ptr,
|
||
|
&color_variance_ptr,
|
||
|
&scale_ptr,
|
||
|
&difference,
|
||
|
&w,
|
||
|
&h,
|
||
|
&stride,
|
||
|
&pass_stride,
|
||
|
&r,
|
||
|
&pass_stride,
|
||
|
&frame_offset,
|
||
|
&a,
|
||
|
&k_2};
|
||
|
void *blur_args[] = {&difference, &blurDifference, &w, &h, &stride, &pass_stride, &r, &f};
|
||
|
void *calc_weight_args[] = {
|
||
|
&blurDifference, &difference, &w, &h, &stride, &pass_stride, &r, &f};
|
||
|
void *construct_gramian_args[] = {&t,
|
||
|
&blurDifference,
|
||
|
&task->buffer.mem.device_pointer,
|
||
|
&task->storage.transform.device_pointer,
|
||
|
&task->storage.rank.device_pointer,
|
||
|
&task->storage.XtWX.device_pointer,
|
||
|
&task->storage.XtWY.device_pointer,
|
||
|
&task->reconstruction_state.filter_window,
|
||
|
&w,
|
||
|
&h,
|
||
|
&stride,
|
||
|
&pass_stride,
|
||
|
&r,
|
||
|
&f,
|
||
|
&frame_offset,
|
||
|
&task->buffer.use_time};
|
||
|
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMCalcDifference, calc_difference_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMBlur, blur_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMCalcWeight, calc_weight_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMBlur, blur_args);
|
||
|
CUDA_LAUNCH_KERNEL_1D(cuNLMConstructGramian, construct_gramian_args);
|
||
|
check_result_cuda_ret(cuCtxSynchronize());
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_solve(device_ptr output_ptr, DenoisingTask *task, int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFinalize;
|
||
|
check_result_cuda_ret(
|
||
|
cuModuleGetFunction(&cuFinalize, cuda_filter_module, "kernel_cuda_filter_finalize"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuFinalize, CU_FUNC_CACHE_PREFER_L1));
|
||
|
void *finalize_args[] = {&output_ptr,
|
||
|
&task->storage.rank.device_pointer,
|
||
|
&task->storage.XtWX.device_pointer,
|
||
|
&task->storage.XtWY.device_pointer,
|
||
|
&task->filter_area,
|
||
|
&task->reconstruction_state.buffer_params.x,
|
||
|
&task->render_buffer.samples};
|
||
|
CUDA_GET_BLOCKSIZE(
|
||
|
cuFinalize, task->reconstruction_state.source_w, task->reconstruction_state.source_h);
|
||
|
CUDA_LAUNCH_KERNEL(cuFinalize, finalize_args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_combine_halves(device_ptr a_ptr,
|
||
|
device_ptr b_ptr,
|
||
|
device_ptr mean_ptr,
|
||
|
device_ptr variance_ptr,
|
||
|
int r,
|
||
|
int4 rect,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFilterCombineHalves;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuFilterCombineHalves, cuda_filter_module, "kernel_cuda_filter_combine_halves"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuFilterCombineHalves, CU_FUNC_CACHE_PREFER_L1));
|
||
|
CUDA_GET_BLOCKSIZE(
|
||
|
cuFilterCombineHalves, task->rect.z - task->rect.x, task->rect.w - task->rect.y);
|
||
|
|
||
|
void *args[] = {&mean_ptr, &variance_ptr, &a_ptr, &b_ptr, &rect, &r};
|
||
|
CUDA_LAUNCH_KERNEL(cuFilterCombineHalves, args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_divide_shadow(device_ptr a_ptr,
|
||
|
device_ptr b_ptr,
|
||
|
device_ptr sample_variance_ptr,
|
||
|
device_ptr sv_variance_ptr,
|
||
|
device_ptr buffer_variance_ptr,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFilterDivideShadow;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuFilterDivideShadow, cuda_filter_module, "kernel_cuda_filter_divide_shadow"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuFilterDivideShadow, CU_FUNC_CACHE_PREFER_L1));
|
||
|
CUDA_GET_BLOCKSIZE(
|
||
|
cuFilterDivideShadow, task->rect.z - task->rect.x, task->rect.w - task->rect.y);
|
||
|
|
||
|
void *args[] = {&task->render_buffer.samples,
|
||
|
&task->tile_info_mem.device_pointer,
|
||
|
&a_ptr,
|
||
|
&b_ptr,
|
||
|
&sample_variance_ptr,
|
||
|
&sv_variance_ptr,
|
||
|
&buffer_variance_ptr,
|
||
|
&task->rect,
|
||
|
&task->render_buffer.pass_stride,
|
||
|
&task->render_buffer.offset};
|
||
|
CUDA_LAUNCH_KERNEL(cuFilterDivideShadow, args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_get_feature(int mean_offset,
|
||
|
int variance_offset,
|
||
|
device_ptr mean_ptr,
|
||
|
device_ptr variance_ptr,
|
||
|
float scale,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFilterGetFeature;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuFilterGetFeature, cuda_filter_module, "kernel_cuda_filter_get_feature"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuFilterGetFeature, CU_FUNC_CACHE_PREFER_L1));
|
||
|
CUDA_GET_BLOCKSIZE(
|
||
|
cuFilterGetFeature, task->rect.z - task->rect.x, task->rect.w - task->rect.y);
|
||
|
|
||
|
void *args[] = {&task->render_buffer.samples,
|
||
|
&task->tile_info_mem.device_pointer,
|
||
|
&mean_offset,
|
||
|
&variance_offset,
|
||
|
&mean_ptr,
|
||
|
&variance_ptr,
|
||
|
&scale,
|
||
|
&task->rect,
|
||
|
&task->render_buffer.pass_stride,
|
||
|
&task->render_buffer.offset};
|
||
|
CUDA_LAUNCH_KERNEL(cuFilterGetFeature, args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_write_feature(int out_offset,
|
||
|
device_ptr from_ptr,
|
||
|
device_ptr buffer_ptr,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFilterWriteFeature;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuFilterWriteFeature, cuda_filter_module, "kernel_cuda_filter_write_feature"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuFilterWriteFeature, CU_FUNC_CACHE_PREFER_L1));
|
||
|
CUDA_GET_BLOCKSIZE(cuFilterWriteFeature, task->filter_area.z, task->filter_area.w);
|
||
|
|
||
|
void *args[] = {&task->render_buffer.samples,
|
||
|
&task->reconstruction_state.buffer_params,
|
||
|
&task->filter_area,
|
||
|
&from_ptr,
|
||
|
&buffer_ptr,
|
||
|
&out_offset,
|
||
|
&task->rect};
|
||
|
CUDA_LAUNCH_KERNEL(cuFilterWriteFeature, args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
|
||
|
bool denoising_detect_outliers(device_ptr image_ptr,
|
||
|
device_ptr variance_ptr,
|
||
|
device_ptr depth_ptr,
|
||
|
device_ptr output_ptr,
|
||
|
DenoisingTask *task,
|
||
|
int thread_index)
|
||
|
{
|
||
|
if (have_error())
|
||
|
return false;
|
||
|
|
||
|
CUfunction cuFilterDetectOutliers;
|
||
|
check_result_cuda_ret(cuModuleGetFunction(
|
||
|
&cuFilterDetectOutliers, cuda_filter_module, "kernel_cuda_filter_detect_outliers"));
|
||
|
check_result_cuda_ret(cuFuncSetCacheConfig(cuFilterDetectOutliers, CU_FUNC_CACHE_PREFER_L1));
|
||
|
CUDA_GET_BLOCKSIZE(
|
||
|
cuFilterDetectOutliers, task->rect.z - task->rect.x, task->rect.w - task->rect.y);
|
||
|
|
||
|
void *args[] = {&image_ptr,
|
||
|
&variance_ptr,
|
||
|
&depth_ptr,
|
||
|
&output_ptr,
|
||
|
&task->rect,
|
||
|
&task->buffer.pass_stride};
|
||
|
|
||
|
CUDA_LAUNCH_KERNEL(cuFilterDetectOutliers, args);
|
||
|
check_result_cuda_ret(cuStreamSynchronize(cuda_stream[thread_index]));
|
||
|
|
||
|
return !have_error();
|
||
|
}
|
||
|
};
|
||
|
|
||
|
bool device_optix_init()
|
||
|
{
|
||
|
if (g_optixFunctionTable.optixDeviceContextCreate != NULL)
|
||
|
return true; // Already initialized function table
|
||
|
|
||
|
// Need to initialize CUDA as well
|
||
|
if (!device_cuda_init())
|
||
|
return false;
|
||
|
|
||
|
# ifdef WITH_CUDA_DYNLOAD
|
||
|
// Load NVRTC function pointers for adaptive kernel compilation
|
||
|
if (DebugFlags().cuda.adaptive_compile && cuewInit(CUEW_INIT_NVRTC) != CUEW_SUCCESS) {
|
||
|
VLOG(1)
|
||
|
<< "CUEW initialization failed for NVRTC. Adaptive kernel compilation won't be available.";
|
||
|
}
|
||
|
# endif
|
||
|
|
||
|
const OptixResult result = optixInit();
|
||
|
|
||
|
if (result == OPTIX_ERROR_UNSUPPORTED_ABI_VERSION) {
|
||
|
VLOG(1)
|
||
|
<< "OptiX initialization failed because the installed driver does not support ABI version "
|
||
|
<< OPTIX_ABI_VERSION;
|
||
|
return false;
|
||
|
}
|
||
|
else if (result != OPTIX_SUCCESS) {
|
||
|
VLOG(1) << "OptiX initialization failed with error code " << (unsigned int)result;
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
// Loaded OptiX successfully!
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
void device_optix_info(vector<DeviceInfo> &devices)
|
||
|
{
|
||
|
// Simply add all supported CUDA devices as OptiX devices again
|
||
|
vector<DeviceInfo> cuda_devices;
|
||
|
device_cuda_info(cuda_devices);
|
||
|
|
||
|
for (auto it = cuda_devices.begin(); it != cuda_devices.end();) {
|
||
|
DeviceInfo &info = *it;
|
||
|
assert(info.type == DEVICE_CUDA);
|
||
|
info.type = DEVICE_OPTIX;
|
||
|
info.id += "_OptiX";
|
||
|
|
||
|
// Figure out RTX support
|
||
|
CUdevice cuda_device = 0;
|
||
|
CUcontext cuda_context = NULL;
|
||
|
unsigned int rtcore_version = 0;
|
||
|
if (cuDeviceGet(&cuda_device, info.num) == CUDA_SUCCESS &&
|
||
|
cuDevicePrimaryCtxRetain(&cuda_context, cuda_device) == CUDA_SUCCESS) {
|
||
|
OptixDeviceContext optix_context = NULL;
|
||
|
if (optixDeviceContextCreate(cuda_context, nullptr, &optix_context) == OPTIX_SUCCESS) {
|
||
|
optixDeviceContextGetProperty(optix_context,
|
||
|
OPTIX_DEVICE_PROPERTY_RTCORE_VERSION,
|
||
|
&rtcore_version,
|
||
|
sizeof(rtcore_version));
|
||
|
optixDeviceContextDestroy(optix_context);
|
||
|
}
|
||
|
cuDevicePrimaryCtxRelease(cuda_device);
|
||
|
}
|
||
|
|
||
|
// Only add devices with RTX support
|
||
|
if (rtcore_version == 0)
|
||
|
it = cuda_devices.erase(it);
|
||
|
else
|
||
|
++it;
|
||
|
}
|
||
|
|
||
|
devices.insert(devices.end(), cuda_devices.begin(), cuda_devices.end());
|
||
|
}
|
||
|
|
||
|
Device *device_optix_create(DeviceInfo &info, Stats &stats, Profiler &profiler, bool background)
|
||
|
{
|
||
|
return new OptiXDevice(info, stats, profiler, background);
|
||
|
}
|
||
|
|
||
|
CCL_NAMESPACE_END
|
||
|
|
||
|
#endif
|