diff options
Diffstat (limited to 'libavutil/opencl.c')
| -rw-r--r-- | libavutil/opencl.c | 875 |
1 files changed, 0 insertions, 875 deletions
diff --git a/libavutil/opencl.c b/libavutil/opencl.c deleted file mode 100644 index 2027565..0000000 --- a/libavutil/opencl.c +++ /dev/null @@ -1,875 +0,0 @@ -/* - * Copyright (C) 2012 Peng Gao <peng@multicorewareinc.com> - * Copyright (C) 2012 Li Cao <li@multicorewareinc.com> - * Copyright (C) 2012 Wei Gao <weigao@multicorewareinc.com> - * Copyright (C) 2013 Lenny Wang <lwanghpc@gmail.com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "opencl.h" -#include "avstring.h" -#include "log.h" -#include "avassert.h" -#include "opt.h" - -#if HAVE_THREADS -#include "thread.h" -#include "atomic.h" - -static pthread_mutex_t * volatile atomic_opencl_lock = NULL; -#define LOCK_OPENCL pthread_mutex_lock(atomic_opencl_lock) -#define UNLOCK_OPENCL pthread_mutex_unlock(atomic_opencl_lock) -#else -#define LOCK_OPENCL -#define UNLOCK_OPENCL -#endif - -#define MAX_KERNEL_CODE_NUM 200 - -typedef struct { - int is_compiled; - const char *kernel_string; -} KernelCode; - -typedef struct { - const AVClass *class; - int log_offset; - void *log_ctx; - int init_count; - int opt_init_flag; - /** - * if set to 1, the OpenCL environment was created by the user and - * passed as AVOpenCLExternalEnv when initing ,0:created by opencl wrapper. - */ - int is_user_created; - int platform_idx; - int device_idx; - cl_platform_id platform_id; - cl_device_type device_type; - cl_context context; - cl_device_id device_id; - cl_command_queue command_queue; - int kernel_code_count; - KernelCode kernel_code[MAX_KERNEL_CODE_NUM]; - AVOpenCLDeviceList device_list; -} OpenclContext; - -#define OFFSET(x) offsetof(OpenclContext, x) - -static const AVOption opencl_options[] = { - { "platform_idx", "set platform index value", OFFSET(platform_idx), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX}, - { "device_idx", "set device index value", OFFSET(device_idx), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX}, - { NULL } -}; - -static const AVClass openclutils_class = { - .class_name = "opencl", - .option = opencl_options, - .item_name = av_default_item_name, - .version = LIBAVUTIL_VERSION_INT, - .log_level_offset_offset = offsetof(OpenclContext, log_offset), - .parent_log_context_offset = offsetof(OpenclContext, log_ctx), -}; - -static OpenclContext opencl_ctx = {&openclutils_class}; - -static const cl_device_type device_type[] = {CL_DEVICE_TYPE_GPU, CL_DEVICE_TYPE_CPU}; - -typedef struct { - int err_code; - const char *err_str; -} OpenclErrorMsg; - -static const OpenclErrorMsg opencl_err_msg[] = { - {CL_DEVICE_NOT_FOUND, "DEVICE NOT FOUND"}, - {CL_DEVICE_NOT_AVAILABLE, "DEVICE NOT AVAILABLE"}, - {CL_COMPILER_NOT_AVAILABLE, "COMPILER NOT AVAILABLE"}, - {CL_MEM_OBJECT_ALLOCATION_FAILURE, "MEM OBJECT ALLOCATION FAILURE"}, - {CL_OUT_OF_RESOURCES, "OUT OF RESOURCES"}, - {CL_OUT_OF_HOST_MEMORY, "OUT OF HOST MEMORY"}, - {CL_PROFILING_INFO_NOT_AVAILABLE, "PROFILING INFO NOT AVAILABLE"}, - {CL_MEM_COPY_OVERLAP, "MEM COPY OVERLAP"}, - {CL_IMAGE_FORMAT_MISMATCH, "IMAGE FORMAT MISMATCH"}, - {CL_IMAGE_FORMAT_NOT_SUPPORTED, "IMAGE FORMAT NOT_SUPPORTED"}, - {CL_BUILD_PROGRAM_FAILURE, "BUILD PROGRAM FAILURE"}, - {CL_MAP_FAILURE, "MAP FAILURE"}, - {CL_MISALIGNED_SUB_BUFFER_OFFSET, "MISALIGNED SUB BUFFER OFFSET"}, - {CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST, "EXEC STATUS ERROR FOR EVENTS IN WAIT LIST"}, - {CL_COMPILE_PROGRAM_FAILURE, "COMPILE PROGRAM FAILURE"}, - {CL_LINKER_NOT_AVAILABLE, "LINKER NOT AVAILABLE"}, - {CL_LINK_PROGRAM_FAILURE, "LINK PROGRAM FAILURE"}, - {CL_DEVICE_PARTITION_FAILED, "DEVICE PARTITION FAILED"}, - {CL_KERNEL_ARG_INFO_NOT_AVAILABLE, "KERNEL ARG INFO NOT AVAILABLE"}, - {CL_INVALID_VALUE, "INVALID VALUE"}, - {CL_INVALID_DEVICE_TYPE, "INVALID DEVICE TYPE"}, - {CL_INVALID_PLATFORM, "INVALID PLATFORM"}, - {CL_INVALID_DEVICE, "INVALID DEVICE"}, - {CL_INVALID_CONTEXT, "INVALID CONTEXT"}, - {CL_INVALID_QUEUE_PROPERTIES, "INVALID QUEUE PROPERTIES"}, - {CL_INVALID_COMMAND_QUEUE, "INVALID COMMAND QUEUE"}, - {CL_INVALID_HOST_PTR, "INVALID HOST PTR"}, - {CL_INVALID_MEM_OBJECT, "INVALID MEM OBJECT"}, - {CL_INVALID_IMAGE_FORMAT_DESCRIPTOR, "INVALID IMAGE FORMAT DESCRIPTOR"}, - {CL_INVALID_IMAGE_SIZE, "INVALID IMAGE SIZE"}, - {CL_INVALID_SAMPLER, "INVALID SAMPLER"}, - {CL_INVALID_BINARY, "INVALID BINARY"}, - {CL_INVALID_BUILD_OPTIONS, "INVALID BUILD OPTIONS"}, - {CL_INVALID_PROGRAM, "INVALID PROGRAM"}, - {CL_INVALID_PROGRAM_EXECUTABLE, "INVALID PROGRAM EXECUTABLE"}, - {CL_INVALID_KERNEL_NAME, "INVALID KERNEL NAME"}, - {CL_INVALID_KERNEL_DEFINITION, "INVALID KERNEL DEFINITION"}, - {CL_INVALID_KERNEL, "INVALID KERNEL"}, - {CL_INVALID_ARG_INDEX, "INVALID ARG INDEX"}, - {CL_INVALID_ARG_VALUE, "INVALID ARG VALUE"}, - {CL_INVALID_ARG_SIZE, "INVALID ARG_SIZE"}, - {CL_INVALID_KERNEL_ARGS, "INVALID KERNEL ARGS"}, - {CL_INVALID_WORK_DIMENSION, "INVALID WORK DIMENSION"}, - {CL_INVALID_WORK_GROUP_SIZE, "INVALID WORK GROUP SIZE"}, - {CL_INVALID_WORK_ITEM_SIZE, "INVALID WORK ITEM SIZE"}, - {CL_INVALID_GLOBAL_OFFSET, "INVALID GLOBAL OFFSET"}, - {CL_INVALID_EVENT_WAIT_LIST, "INVALID EVENT WAIT LIST"}, - {CL_INVALID_EVENT, "INVALID EVENT"}, - {CL_INVALID_OPERATION, "INVALID OPERATION"}, - {CL_INVALID_GL_OBJECT, "INVALID GL OBJECT"}, - {CL_INVALID_BUFFER_SIZE, "INVALID BUFFER SIZE"}, - {CL_INVALID_MIP_LEVEL, "INVALID MIP LEVEL"}, - {CL_INVALID_GLOBAL_WORK_SIZE, "INVALID GLOBAL WORK SIZE"}, - {CL_INVALID_PROPERTY, "INVALID PROPERTY"}, - {CL_INVALID_IMAGE_DESCRIPTOR, "INVALID IMAGE DESCRIPTOR"}, - {CL_INVALID_COMPILER_OPTIONS, "INVALID COMPILER OPTIONS"}, - {CL_INVALID_LINKER_OPTIONS, "INVALID LINKER OPTIONS"}, - {CL_INVALID_DEVICE_PARTITION_COUNT, "INVALID DEVICE PARTITION COUNT"}, -}; - -const char *av_opencl_errstr(cl_int status) -{ - int i; - for (i = 0; i < FF_ARRAY_ELEMS(opencl_err_msg); i++) { - if (opencl_err_msg[i].err_code == status) - return opencl_err_msg[i].err_str; - } - return "unknown error"; -} - -static void free_device_list(AVOpenCLDeviceList *device_list) -{ - int i, j; - if (!device_list || !device_list->platform_node) - return; - for (i = 0; i < device_list->platform_num; i++) { - if (!device_list->platform_node[i]) - continue; - for (j = 0; j < device_list->platform_node[i]->device_num; j++) { - av_freep(&(device_list->platform_node[i]->device_node[j]->device_name)); - av_freep(&(device_list->platform_node[i]->device_node[j])); - } - av_freep(&device_list->platform_node[i]->device_node); - av_freep(&(device_list->platform_node[i]->platform_name)); - av_freep(&device_list->platform_node[i]); - } - av_freep(&device_list->platform_node); - device_list->platform_num = 0; -} - -static int get_device_list(AVOpenCLDeviceList *device_list) -{ - cl_int status; - int i, j, k, device_num, total_devices_num, ret = 0; - int *devices_num; - cl_platform_id *platform_ids = NULL; - cl_device_id *device_ids = NULL; - AVOpenCLDeviceNode *device_node = NULL; - size_t platform_name_size = 0; - size_t device_name_size = 0; - status = clGetPlatformIDs(0, NULL, &device_list->platform_num); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not get OpenCL platform ids: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - platform_ids = av_mallocz_array(device_list->platform_num, sizeof(cl_platform_id)); - if (!platform_ids) - return AVERROR(ENOMEM); - status = clGetPlatformIDs(device_list->platform_num, platform_ids, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not get OpenCL platform ids: %s\n", av_opencl_errstr(status)); - ret = AVERROR_EXTERNAL; - goto end; - } - device_list->platform_node = av_mallocz_array(device_list->platform_num, sizeof(AVOpenCLPlatformNode *)); - if (!device_list->platform_node) { - ret = AVERROR(ENOMEM); - goto end; - } - devices_num = av_mallocz(sizeof(int) * FF_ARRAY_ELEMS(device_type)); - if (!devices_num) { - ret = AVERROR(ENOMEM); - goto end; - } - for (i = 0; i < device_list->platform_num; i++) { - device_list->platform_node[i] = av_mallocz(sizeof(AVOpenCLPlatformNode)); - if (!device_list->platform_node[i]) { - ret = AVERROR(ENOMEM); - goto end; - } - device_list->platform_node[i]->platform_id = platform_ids[i]; - status = clGetPlatformInfo(platform_ids[i], CL_PLATFORM_VENDOR, - 0, NULL, &platform_name_size); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not get size of platform name: %s\n", av_opencl_errstr(status)); - } else { - device_list->platform_node[i]->platform_name = av_malloc(platform_name_size * sizeof(char)); - if (!device_list->platform_node[i]->platform_name) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not allocate memory for device name: %s\n", av_opencl_errstr(status)); - } else { - status = clGetPlatformInfo(platform_ids[i], CL_PLATFORM_VENDOR, - platform_name_size * sizeof(char), - device_list->platform_node[i]->platform_name, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not get platform name: %s\n", av_opencl_errstr(status)); - } - } - } - total_devices_num = 0; - for (j = 0; j < FF_ARRAY_ELEMS(device_type); j++) { - status = clGetDeviceIDs(device_list->platform_node[i]->platform_id, - device_type[j], 0, NULL, &devices_num[j]); - total_devices_num += devices_num[j]; - } - device_list->platform_node[i]->device_node = av_mallocz_array(total_devices_num, sizeof(AVOpenCLDeviceNode *)); - if (!device_list->platform_node[i]->device_node) { - ret = AVERROR(ENOMEM); - goto end; - } - for (j = 0; j < FF_ARRAY_ELEMS(device_type); j++) { - if (devices_num[j]) { - device_ids = av_mallocz_array(devices_num[j], sizeof(cl_device_id)); - if (!device_ids) { - ret = AVERROR(ENOMEM); - goto end; - } - status = clGetDeviceIDs(device_list->platform_node[i]->platform_id, device_type[j], - devices_num[j], device_ids, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not get device ID: %s:\n", av_opencl_errstr(status)); - av_freep(&device_ids); - continue; - } - for (k = 0; k < devices_num[j]; k++) { - device_num = device_list->platform_node[i]->device_num; - device_list->platform_node[i]->device_node[device_num] = av_mallocz(sizeof(AVOpenCLDeviceNode)); - if (!device_list->platform_node[i]->device_node[device_num]) { - ret = AVERROR(ENOMEM); - goto end; - } - device_node = device_list->platform_node[i]->device_node[device_num]; - device_node->device_id = device_ids[k]; - device_node->device_type = device_type[j]; - status = clGetDeviceInfo(device_node->device_id, CL_DEVICE_NAME, - 0, NULL, &device_name_size); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not get size of device name: %s\n", av_opencl_errstr(status)); - continue; - } - device_node->device_name = av_malloc(device_name_size * sizeof(char)); - if (!device_node->device_name) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not allocate memory for device name: %s\n", av_opencl_errstr(status)); - continue; - } - status = clGetDeviceInfo(device_node->device_id, CL_DEVICE_NAME, - device_name_size * sizeof(char), - device_node->device_name, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Could not get device name: %s\n", av_opencl_errstr(status)); - continue; - } - device_list->platform_node[i]->device_num++; - } - av_freep(&device_ids); - } - } - } -end: - av_freep(&platform_ids); - av_freep(&devices_num); - av_freep(&device_ids); - if (ret < 0) - free_device_list(device_list); - return ret; -} - -int av_opencl_get_device_list(AVOpenCLDeviceList **device_list) -{ - int ret = 0; - *device_list = av_mallocz(sizeof(AVOpenCLDeviceList)); - if (!(*device_list)) { - av_log(&opencl_ctx, AV_LOG_ERROR, "Could not allocate opencl device list\n"); - return AVERROR(ENOMEM); - } - ret = get_device_list(*device_list); - if (ret < 0) { - av_log(&opencl_ctx, AV_LOG_ERROR, "Could not get device list from environment\n"); - free_device_list(*device_list); - av_freep(device_list); - return ret; - } - return ret; -} - -void av_opencl_free_device_list(AVOpenCLDeviceList **device_list) -{ - free_device_list(*device_list); - av_freep(device_list); -} - -static inline int init_opencl_mtx(void) -{ -#if HAVE_THREADS - if (!atomic_opencl_lock) { - int err; - pthread_mutex_t *tmp = av_malloc(sizeof(pthread_mutex_t)); - if (!tmp) - return AVERROR(ENOMEM); - if ((err = pthread_mutex_init(tmp, NULL))) { - av_free(tmp); - return AVERROR(err); - } - if (avpriv_atomic_ptr_cas((void * volatile *)&atomic_opencl_lock, NULL, tmp)) { - pthread_mutex_destroy(tmp); - av_free(tmp); - } - } -#endif - return 0; -} - -int av_opencl_set_option(const char *key, const char *val) -{ - int ret = init_opencl_mtx( ); - if (ret < 0) - return ret; - LOCK_OPENCL; - if (!opencl_ctx.opt_init_flag) { - av_opt_set_defaults(&opencl_ctx); - opencl_ctx.opt_init_flag = 1; - } - ret = av_opt_set(&opencl_ctx, key, val, 0); - UNLOCK_OPENCL; - return ret; -} - -int av_opencl_get_option(const char *key, uint8_t **out_val) -{ - int ret = 0; - LOCK_OPENCL; - ret = av_opt_get(&opencl_ctx, key, 0, out_val); - UNLOCK_OPENCL; - return ret; -} - -void av_opencl_free_option(void) -{ - /*FIXME: free openclutils context*/ - LOCK_OPENCL; - av_opt_free(&opencl_ctx); - UNLOCK_OPENCL; -} - -AVOpenCLExternalEnv *av_opencl_alloc_external_env(void) -{ - AVOpenCLExternalEnv *ext = av_mallocz(sizeof(AVOpenCLExternalEnv)); - if (!ext) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not malloc external opencl environment data space\n"); - } - return ext; -} - -void av_opencl_free_external_env(AVOpenCLExternalEnv **ext_opencl_env) -{ - av_freep(ext_opencl_env); -} - -int av_opencl_register_kernel_code(const char *kernel_code) -{ - int i, ret = init_opencl_mtx( ); - if (ret < 0) - return ret; - LOCK_OPENCL; - if (opencl_ctx.kernel_code_count >= MAX_KERNEL_CODE_NUM) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not register kernel code, maximum number of registered kernel code %d already reached\n", - MAX_KERNEL_CODE_NUM); - ret = AVERROR(EINVAL); - goto end; - } - for (i = 0; i < opencl_ctx.kernel_code_count; i++) { - if (opencl_ctx.kernel_code[i].kernel_string == kernel_code) { - av_log(&opencl_ctx, AV_LOG_WARNING, "Same kernel code has been registered\n"); - goto end; - } - } - opencl_ctx.kernel_code[opencl_ctx.kernel_code_count].kernel_string = kernel_code; - opencl_ctx.kernel_code[opencl_ctx.kernel_code_count].is_compiled = 0; - opencl_ctx.kernel_code_count++; -end: - UNLOCK_OPENCL; - return ret; -} - -cl_program av_opencl_compile(const char *program_name, const char *build_opts) -{ - int i; - cl_int status, build_status; - int kernel_code_idx = 0; - const char *kernel_source = NULL; - size_t kernel_code_len; - char* ptr = NULL; - cl_program program = NULL; - size_t log_size; - char *log = NULL; - - LOCK_OPENCL; - for (i = 0; i < opencl_ctx.kernel_code_count; i++) { - // identify a program using a unique name within the kernel source - ptr = av_stristr(opencl_ctx.kernel_code[i].kernel_string, program_name); - if (ptr && !opencl_ctx.kernel_code[i].is_compiled) { - kernel_source = opencl_ctx.kernel_code[i].kernel_string; - kernel_code_len = strlen(opencl_ctx.kernel_code[i].kernel_string); - kernel_code_idx = i; - break; - } - } - if (!kernel_source) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Unable to find OpenCL kernel source '%s'\n", program_name); - goto end; - } - - /* create a CL program from kernel source */ - program = clCreateProgramWithSource(opencl_ctx.context, 1, &kernel_source, &kernel_code_len, &status); - if(status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Unable to create OpenCL program '%s': %s\n", program_name, av_opencl_errstr(status)); - program = NULL; - goto end; - } - - build_status = clBuildProgram(program, 1, &(opencl_ctx.device_id), build_opts, NULL, NULL); - status = clGetProgramBuildInfo(program, opencl_ctx.device_id, - CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Failed to get compilation log: %s\n", - av_opencl_errstr(status)); - } else { - log = av_malloc(log_size); - if (log) { - status = clGetProgramBuildInfo(program, opencl_ctx.device_id, - CL_PROGRAM_BUILD_LOG, log_size, - log, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_WARNING, - "Failed to get compilation log: %s\n", - av_opencl_errstr(status)); - } else { - int level = build_status == CL_SUCCESS ? AV_LOG_DEBUG : - AV_LOG_ERROR; - av_log(&opencl_ctx, level, "Compilation log:\n%s\n", log); - } - } - av_freep(&log); - } - if (build_status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Compilation failed with OpenCL program '%s': %s\n", - program_name, av_opencl_errstr(build_status)); - program = NULL; - goto end; - } - - opencl_ctx.kernel_code[kernel_code_idx].is_compiled = 1; -end: - UNLOCK_OPENCL; - return program; -} - -cl_command_queue av_opencl_get_command_queue(void) -{ - return opencl_ctx.command_queue; -} - -static int init_opencl_env(OpenclContext *opencl_ctx, AVOpenCLExternalEnv *ext_opencl_env) -{ - cl_int status; - cl_context_properties cps[3]; - int i, ret = 0; - AVOpenCLDeviceNode *device_node = NULL; - - if (ext_opencl_env) { - if (opencl_ctx->is_user_created) - return 0; - opencl_ctx->platform_id = ext_opencl_env->platform_id; - opencl_ctx->is_user_created = 1; - opencl_ctx->command_queue = ext_opencl_env->command_queue; - opencl_ctx->context = ext_opencl_env->context; - opencl_ctx->device_id = ext_opencl_env->device_id; - opencl_ctx->device_type = ext_opencl_env->device_type; - } else { - if (!opencl_ctx->is_user_created) { - if (!opencl_ctx->device_list.platform_num) { - ret = get_device_list(&opencl_ctx->device_list); - if (ret < 0) { - return ret; - } - } - if (opencl_ctx->platform_idx >= 0) { - if (opencl_ctx->device_list.platform_num < opencl_ctx->platform_idx + 1) { - av_log(opencl_ctx, AV_LOG_ERROR, "User set platform index not exist\n"); - return AVERROR(EINVAL); - } - if (!opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->device_num) { - av_log(opencl_ctx, AV_LOG_ERROR, "No devices in user specific platform with index %d\n", - opencl_ctx->platform_idx); - return AVERROR(EINVAL); - } - opencl_ctx->platform_id = opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->platform_id; - } else { - /* get a usable platform by default*/ - for (i = 0; i < opencl_ctx->device_list.platform_num; i++) { - if (opencl_ctx->device_list.platform_node[i]->device_num) { - opencl_ctx->platform_id = opencl_ctx->device_list.platform_node[i]->platform_id; - opencl_ctx->platform_idx = i; - break; - } - } - } - if (!opencl_ctx->platform_id) { - av_log(opencl_ctx, AV_LOG_ERROR, "Could not get OpenCL platforms\n"); - return AVERROR_EXTERNAL; - } - /* get a usable device*/ - if (opencl_ctx->device_idx >= 0) { - if (opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->device_num < opencl_ctx->device_idx + 1) { - av_log(opencl_ctx, AV_LOG_ERROR, - "Could not get OpenCL device idx %d in the user set platform\n", opencl_ctx->platform_idx); - return AVERROR(EINVAL); - } - } else { - opencl_ctx->device_idx = 0; - } - - device_node = opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->device_node[opencl_ctx->device_idx]; - opencl_ctx->device_id = device_node->device_id; - opencl_ctx->device_type = device_node->device_type; - - /* - * Use available platform. - */ - av_log(opencl_ctx, AV_LOG_VERBOSE, "Platform Name: %s, Device Name: %s\n", - opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->platform_name, - device_node->device_name); - cps[0] = CL_CONTEXT_PLATFORM; - cps[1] = (cl_context_properties)opencl_ctx->platform_id; - cps[2] = 0; - - opencl_ctx->context = clCreateContextFromType(cps, opencl_ctx->device_type, - NULL, NULL, &status); - if (status != CL_SUCCESS) { - av_log(opencl_ctx, AV_LOG_ERROR, - "Could not get OpenCL context from device type: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - opencl_ctx->command_queue = clCreateCommandQueue(opencl_ctx->context, opencl_ctx->device_id, - 0, &status); - if (status != CL_SUCCESS) { - av_log(opencl_ctx, AV_LOG_ERROR, - "Could not create OpenCL command queue: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - } - } - return ret; -} - -int av_opencl_init(AVOpenCLExternalEnv *ext_opencl_env) -{ - int ret = init_opencl_mtx( ); - if (ret < 0) - return ret; - LOCK_OPENCL; - if (!opencl_ctx.init_count) { - if (!opencl_ctx.opt_init_flag) { - av_opt_set_defaults(&opencl_ctx); - opencl_ctx.opt_init_flag = 1; - } - ret = init_opencl_env(&opencl_ctx, ext_opencl_env); - if (ret < 0) - goto end; - if (opencl_ctx.kernel_code_count <= 0) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "No kernel code is registered, compile kernel file failed\n"); - ret = AVERROR(EINVAL); - goto end; - } - } - opencl_ctx.init_count++; -end: - UNLOCK_OPENCL; - return ret; -} - -void av_opencl_uninit(void) -{ - int i; - cl_int status; - LOCK_OPENCL; - opencl_ctx.init_count--; - if (opencl_ctx.is_user_created) - goto end; - if (opencl_ctx.init_count > 0) - goto end; - if (opencl_ctx.command_queue) { - status = clReleaseCommandQueue(opencl_ctx.command_queue); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not release OpenCL command queue: %s\n", av_opencl_errstr(status)); - } - opencl_ctx.command_queue = NULL; - } - if (opencl_ctx.context) { - status = clReleaseContext(opencl_ctx.context); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not release OpenCL context: %s\n", av_opencl_errstr(status)); - } - opencl_ctx.context = NULL; - } - for (i = 0; i < opencl_ctx.kernel_code_count; i++) { - opencl_ctx.kernel_code[i].is_compiled = 0; - } - free_device_list(&opencl_ctx.device_list); -end: - if (opencl_ctx.init_count <= 0) - av_opt_free(&opencl_ctx); //FIXME: free openclutils context - UNLOCK_OPENCL; -} - -int av_opencl_buffer_create(cl_mem *cl_buf, size_t cl_buf_size, int flags, void *host_ptr) -{ - cl_int status; - *cl_buf = clCreateBuffer(opencl_ctx.context, flags, cl_buf_size, host_ptr, &status); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, "Could not create OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - return 0; -} - -void av_opencl_buffer_release(cl_mem *cl_buf) -{ - cl_int status = 0; - if (!cl_buf) - return; - status = clReleaseMemObject(*cl_buf); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not release OpenCL buffer: %s\n", av_opencl_errstr(status)); - } - memset(cl_buf, 0, sizeof(*cl_buf)); -} - -int av_opencl_buffer_write(cl_mem dst_cl_buf, uint8_t *src_buf, size_t buf_size) -{ - cl_int status; - void *mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, dst_cl_buf, - CL_TRUE, CL_MAP_WRITE, 0, sizeof(uint8_t) * buf_size, - 0, NULL, NULL, &status); - - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - memcpy(mapped, src_buf, buf_size); - - status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, dst_cl_buf, mapped, 0, NULL, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - return 0; -} - -int av_opencl_buffer_read(uint8_t *dst_buf, cl_mem src_cl_buf, size_t buf_size) -{ - cl_int status; - void *mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, src_cl_buf, - CL_TRUE, CL_MAP_READ, 0, buf_size, - 0, NULL, NULL, &status); - - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - memcpy(dst_buf, mapped, buf_size); - - status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, src_cl_buf, mapped, 0, NULL, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - return 0; -} - -int av_opencl_buffer_write_image(cl_mem dst_cl_buf, size_t cl_buffer_size, int dst_cl_offset, - uint8_t **src_data, int *plane_size, int plane_num) -{ - int i, buffer_size = 0; - uint8_t *temp; - cl_int status; - void *mapped; - if ((unsigned int)plane_num > 8) { - return AVERROR(EINVAL); - } - for (i = 0;i < plane_num;i++) { - buffer_size += plane_size[i]; - } - if (buffer_size > cl_buffer_size) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Cannot write image to OpenCL buffer: buffer too small\n"); - return AVERROR(EINVAL); - } - mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, dst_cl_buf, - CL_TRUE, CL_MAP_WRITE, 0, buffer_size + dst_cl_offset, - 0, NULL, NULL, &status); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - temp = mapped; - temp += dst_cl_offset; - for (i = 0; i < plane_num; i++) { - memcpy(temp, src_data[i], plane_size[i]); - temp += plane_size[i]; - } - status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, dst_cl_buf, mapped, 0, NULL, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - return 0; -} - -int av_opencl_buffer_read_image(uint8_t **dst_data, int *plane_size, int plane_num, - cl_mem src_cl_buf, size_t cl_buffer_size) -{ - int i,buffer_size = 0,ret = 0; - uint8_t *temp; - void *mapped; - cl_int status; - if ((unsigned int)plane_num > 8) { - return AVERROR(EINVAL); - } - for (i = 0; i < plane_num; i++) { - buffer_size += plane_size[i]; - } - if (buffer_size > cl_buffer_size) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Cannot write image to CPU buffer: OpenCL buffer too small\n"); - return AVERROR(EINVAL); - } - mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, src_cl_buf, - CL_TRUE, CL_MAP_READ, 0, buffer_size, - 0, NULL, NULL, &status); - - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - temp = mapped; - if (ret >= 0) { - for (i = 0; i < plane_num; i++) { - memcpy(dst_data[i], temp, plane_size[i]); - temp += plane_size[i]; - } - } - status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, src_cl_buf, mapped, 0, NULL, NULL); - if (status != CL_SUCCESS) { - av_log(&opencl_ctx, AV_LOG_ERROR, - "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status)); - return AVERROR_EXTERNAL; - } - return 0; -} - -int64_t av_opencl_benchmark(AVOpenCLDeviceNode *device_node, cl_platform_id platform, - int64_t (*benchmark)(AVOpenCLExternalEnv *ext_opencl_env)) -{ - int64_t ret = 0; - cl_int status; - cl_context_properties cps[3]; - AVOpenCLExternalEnv *ext_opencl_env = NULL; - - ext_opencl_env = av_opencl_alloc_external_env(); - ext_opencl_env->device_id = device_node->device_id; - ext_opencl_env->device_type = device_node->device_type; - av_log(&opencl_ctx, AV_LOG_VERBOSE, "Performing test on OpenCL device %s\n", - device_node->device_name); - - cps[0] = CL_CONTEXT_PLATFORM; - cps[1] = (cl_context_properties)platform; - cps[2] = 0; - ext_opencl_env->context = clCreateContextFromType(cps, ext_opencl_env->device_type, - NULL, NULL, &status); - if (status != CL_SUCCESS || !ext_opencl_env->context) { - ret = AVERROR_EXTERNAL; - goto end; - } - ext_opencl_env->command_queue = clCreateCommandQueue(ext_opencl_env->context, - ext_opencl_env->device_id, 0, &status); - if (status != CL_SUCCESS || !ext_opencl_env->command_queue) { - ret = AVERROR_EXTERNAL; - goto end; - } - ret = benchmark(ext_opencl_env); - if (ret < 0) - av_log(&opencl_ctx, AV_LOG_ERROR, "Benchmark failed with OpenCL device %s\n", - device_node->device_name); -end: - if (ext_opencl_env->command_queue) - clReleaseCommandQueue(ext_opencl_env->command_queue); - if (ext_opencl_env->context) - clReleaseContext(ext_opencl_env->context); - av_opencl_free_external_env(&ext_opencl_env); - return ret; -} |
