f4334277
 Hu Chunming
提交3rdparty
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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2018, Intel Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
#include "../../precomp.hpp"
#ifdef HAVE_VULKAN
#include <vulkan/vulkan.h>
#endif
#include "vk_functions.hpp"
#if defined(_WIN32)
#include <windows.h>
typedef HMODULE VulkanHandle;
#define DEFAULT_VK_LIBRARY_PATH "vulkan-1.dll"
#define LOAD_VK_LIBRARY(path) LoadLibrary(path)
#define FREE_VK_LIBRARY(handle) FreeLibrary(handle)
#define GET_VK_ENTRY_POINT(handle) \
(PFN_vkGetInstanceProcAddr)GetProcAddress(handle, "vkGetInstanceProcAddr");
#endif // _WIN32
#if defined(__linux__)
#include <dlfcn.h>
#include <stdio.h>
typedef void* VulkanHandle;
#define DEFAULT_VK_LIBRARY_PATH "libvulkan.so.1"
#define LOAD_VK_LIBRARY(path) dlopen(path, RTLD_LAZY | RTLD_GLOBAL)
#define FREE_VK_LIBRARY(handle) dlclose(handle)
#define GET_VK_ENTRY_POINT(handle) \
(PFN_vkGetInstanceProcAddr)dlsym(handle, "vkGetInstanceProcAddr");
#endif // __linux__
#ifndef DEFAULT_VK_LIBRARY_PATH
#define DEFAULT_VK_LIBRARY_PATH ""
#define LOAD_VK_LIBRARY(path) nullptr
#define FREE_VK_LIBRARY(handle)
#define GET_VK_ENTRY_POINT(handle) nullptr
#endif
namespace cv { namespace dnn { namespace vkcom {
#ifdef HAVE_VULKAN
static VulkanHandle handle = nullptr;
bool loadVulkanFunctions(VkInstance& instance)
{
#define VK_FUNC(fun) \
fun = (PFN_##fun)vkGetInstanceProcAddr(instance, #fun);
#define VK_FUNC_MANDATORY(fun) \
VK_FUNC(fun) \
if(!fun) \
{ \
fprintf(stderr, "Could not load Vulkan function: %s !\n", #fun); \
return false; \
}
#include "function_list.inl.hpp"
return true;
}
bool loadVulkanGlobalFunctions()
{
#define VK_GLOBAL_LEVEL_FUNC(fun) \
fun = (PFN_##fun)vkGetInstanceProcAddr(nullptr, #fun);
#define VK_GLOBAL_LEVEL_FUNC_MANDATORY(fun) \
VK_GLOBAL_LEVEL_FUNC(fun) \
if(!fun) \
{ \
fprintf(stderr, "Could not load global Vulkan function: %s !\n", #fun); \
return false; \
}
#include "function_list.inl.hpp"
return true;
}
bool loadVulkanEntry()
{
if (handle == nullptr)
return false;
vkGetInstanceProcAddr = GET_VK_ENTRY_POINT(handle);
if (!vkGetInstanceProcAddr)
{
fprintf(stderr, "Could not load Vulkan entry function: vkGetInstanceProcAddr!\n");
return false;
}
return true;
}
bool loadVulkanLibrary()
{
if (handle != nullptr)
return true;
const char* path;
const char* envPath = getenv("OPENCV_VULKAN_RUNTIME");
if (envPath)
{
path = envPath;
}
else
{
path = DEFAULT_VK_LIBRARY_PATH;
}
handle = LOAD_VK_LIBRARY(path);
if( handle == nullptr )
{
fprintf(stderr, "Could not load Vulkan library: %s!\n", path);
return false;
}
return true;
}
#endif // HAVE_VULKAN
}}} // namespace cv::dnn::vkcom
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