dolphin/Source/Core/VideoBackends/Vulkan/VulkanLoader.cpp

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2016-08-13 12:57:50 +00:00
// Copyright 2016 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <atomic>
#include <cstdarg>
#include "Common/CommonFuncs.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "VideoBackends/Vulkan/VulkanLoader.h"
#if defined(VK_USE_PLATFORM_WIN32_KHR)
#include <Windows.h>
#elif defined(VK_USE_PLATFORM_XLIB_KHR) || defined(VK_USE_PLATFORM_XCB_KHR) || \
defined(VK_USE_PLATFORM_ANDROID_KHR) || defined(USE_HEADLESS)
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#include <dlfcn.h>
#endif
#define VULKAN_MODULE_ENTRY_POINT(name, required) PFN_##name name;
#define VULKAN_INSTANCE_ENTRY_POINT(name, required) PFN_##name name;
#define VULKAN_DEVICE_ENTRY_POINT(name, required) PFN_##name name;
#include "VideoBackends/Vulkan/VulkanEntryPoints.inl"
#undef VULKAN_DEVICE_ENTRY_POINT
#undef VULKAN_INSTANCE_ENTRY_POINT
#undef VULKAN_MODULE_ENTRY_POINT
namespace Vulkan
{
static void ResetVulkanLibraryFunctionPointers()
{
#define VULKAN_MODULE_ENTRY_POINT(name, required) name = nullptr;
#define VULKAN_INSTANCE_ENTRY_POINT(name, required) name = nullptr;
#define VULKAN_DEVICE_ENTRY_POINT(name, required) name = nullptr;
#include "VideoBackends/Vulkan/VulkanEntryPoints.inl"
#undef VULKAN_DEVICE_ENTRY_POINT
#undef VULKAN_INSTANCE_ENTRY_POINT
#undef VULKAN_MODULE_ENTRY_POINT
}
#if defined(VK_USE_PLATFORM_WIN32_KHR)
static HMODULE vulkan_module;
static std::atomic_int vulkan_module_ref_count = {0};
bool LoadVulkanLibrary()
{
// Not thread safe if a second thread calls the loader whilst the first is still in-progress.
if (vulkan_module)
{
vulkan_module_ref_count++;
return true;
}
vulkan_module = LoadLibraryA("vulkan-1.dll");
if (!vulkan_module)
{
ERROR_LOG(VIDEO, "Failed to load vulkan-1.dll");
return false;
}
bool required_functions_missing = false;
auto LoadFunction = [&](FARPROC* func_ptr, const char* name, bool is_required) {
*func_ptr = GetProcAddress(vulkan_module, name);
if (!(*func_ptr) && is_required)
{
ERROR_LOG(VIDEO, "Vulkan: Failed to load required module function %s", name);
required_functions_missing = true;
}
};
#define VULKAN_MODULE_ENTRY_POINT(name, required) \
LoadFunction(reinterpret_cast<FARPROC*>(&name), #name, required);
#include "VideoBackends/Vulkan/VulkanEntryPoints.inl"
#undef VULKAN_MODULE_ENTRY_POINT
if (required_functions_missing)
{
ResetVulkanLibraryFunctionPointers();
FreeLibrary(vulkan_module);
vulkan_module = nullptr;
return false;
}
vulkan_module_ref_count++;
return true;
}
void UnloadVulkanLibrary()
{
if ((--vulkan_module_ref_count) > 0)
return;
ResetVulkanLibraryFunctionPointers();
FreeLibrary(vulkan_module);
vulkan_module = nullptr;
}
#elif defined(VK_USE_PLATFORM_XLIB_KHR) || defined(VK_USE_PLATFORM_XCB_KHR) || \
defined(VK_USE_PLATFORM_ANDROID_KHR) || defined(USE_HEADLESS)
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static void* vulkan_module;
static std::atomic_int vulkan_module_ref_count = {0};
bool LoadVulkanLibrary()
{
// Not thread safe if a second thread calls the loader whilst the first is still in-progress.
if (vulkan_module)
{
vulkan_module_ref_count++;
return true;
}
// Names of libraries to search. Desktop should use libvulkan.so.1 or libvulkan.so.
static const char* search_lib_names[] = {"libvulkan.so.1", "libvulkan.so"};
for (size_t i = 0; i < ArraySize(search_lib_names); i++)
{
vulkan_module = dlopen(search_lib_names[i], RTLD_NOW);
if (vulkan_module)
break;
}
if (!vulkan_module)
{
ERROR_LOG(VIDEO, "Failed to load or locate libvulkan.so");
return false;
}
bool required_functions_missing = false;
auto LoadFunction = [&](void** func_ptr, const char* name, bool is_required) {
*func_ptr = dlsym(vulkan_module, name);
if (!(*func_ptr) && is_required)
{
ERROR_LOG(VIDEO, "Vulkan: Failed to load required module function %s", name);
required_functions_missing = true;
}
};
#define VULKAN_MODULE_ENTRY_POINT(name, required) \
LoadFunction(reinterpret_cast<void**>(&name), #name, required);
#include "VideoBackends/Vulkan/VulkanEntryPoints.inl"
#undef VULKAN_MODULE_ENTRY_POINT
if (required_functions_missing)
{
ResetVulkanLibraryFunctionPointers();
dlclose(vulkan_module);
vulkan_module = nullptr;
return false;
}
vulkan_module_ref_count++;
return true;
}
void UnloadVulkanLibrary()
{
if ((--vulkan_module_ref_count) > 0)
return;
ResetVulkanLibraryFunctionPointers();
dlclose(vulkan_module);
vulkan_module = nullptr;
}
#else
//#warning Unknown platform, not compiling loader.
bool LoadVulkanLibrary()
{
return false;
}
void UnloadVulkanLibrary()
{
ResetVulkanLibraryFunctionPointers();
}
#endif
bool LoadVulkanInstanceFunctions(VkInstance instance)
{
bool required_functions_missing = false;
auto LoadFunction = [&](PFN_vkVoidFunction* func_ptr, const char* name, bool is_required) {
*func_ptr = vkGetInstanceProcAddr(instance, name);
if (!(*func_ptr) && is_required)
{
ERROR_LOG(VIDEO, "Vulkan: Failed to load required instance function %s", name);
required_functions_missing = true;
}
};
#define VULKAN_INSTANCE_ENTRY_POINT(name, required) \
LoadFunction(reinterpret_cast<PFN_vkVoidFunction*>(&name), #name, required);
#include "VideoBackends/Vulkan/VulkanEntryPoints.inl"
#undef VULKAN_INSTANCE_ENTRY_POINT
return !required_functions_missing;
}
bool LoadVulkanDeviceFunctions(VkDevice device)
{
bool required_functions_missing = false;
auto LoadFunction = [&](PFN_vkVoidFunction* func_ptr, const char* name, bool is_required) {
*func_ptr = vkGetDeviceProcAddr(device, name);
if (!(*func_ptr) && is_required)
{
ERROR_LOG(VIDEO, "Vulkan: Failed to load required device function %s", name);
required_functions_missing = true;
}
};
#define VULKAN_DEVICE_ENTRY_POINT(name, required) \
LoadFunction(reinterpret_cast<PFN_vkVoidFunction*>(&name), #name, required);
#include "VideoBackends/Vulkan/VulkanEntryPoints.inl"
#undef VULKAN_DEVICE_ENTRY_POINT
return !required_functions_missing;
}
const char* VkResultToString(VkResult res)
{
switch (res)
{
case VK_SUCCESS:
return "VK_SUCCESS";
case VK_NOT_READY:
return "VK_NOT_READY";
case VK_TIMEOUT:
return "VK_TIMEOUT";
case VK_EVENT_SET:
return "VK_EVENT_SET";
case VK_EVENT_RESET:
return "VK_EVENT_RESET";
case VK_INCOMPLETE:
return "VK_INCOMPLETE";
case VK_ERROR_OUT_OF_HOST_MEMORY:
return "VK_ERROR_OUT_OF_HOST_MEMORY";
case VK_ERROR_OUT_OF_DEVICE_MEMORY:
return "VK_ERROR_OUT_OF_DEVICE_MEMORY";
case VK_ERROR_INITIALIZATION_FAILED:
return "VK_ERROR_INITIALIZATION_FAILED";
case VK_ERROR_DEVICE_LOST:
return "VK_ERROR_DEVICE_LOST";
case VK_ERROR_MEMORY_MAP_FAILED:
return "VK_ERROR_MEMORY_MAP_FAILED";
case VK_ERROR_LAYER_NOT_PRESENT:
return "VK_ERROR_LAYER_NOT_PRESENT";
case VK_ERROR_EXTENSION_NOT_PRESENT:
return "VK_ERROR_EXTENSION_NOT_PRESENT";
case VK_ERROR_FEATURE_NOT_PRESENT:
return "VK_ERROR_FEATURE_NOT_PRESENT";
case VK_ERROR_INCOMPATIBLE_DRIVER:
return "VK_ERROR_INCOMPATIBLE_DRIVER";
case VK_ERROR_TOO_MANY_OBJECTS:
return "VK_ERROR_TOO_MANY_OBJECTS";
case VK_ERROR_FORMAT_NOT_SUPPORTED:
return "VK_ERROR_FORMAT_NOT_SUPPORTED";
case VK_ERROR_SURFACE_LOST_KHR:
return "VK_ERROR_SURFACE_LOST_KHR";
case VK_ERROR_NATIVE_WINDOW_IN_USE_KHR:
return "VK_ERROR_NATIVE_WINDOW_IN_USE_KHR";
case VK_SUBOPTIMAL_KHR:
return "VK_SUBOPTIMAL_KHR";
case VK_ERROR_OUT_OF_DATE_KHR:
return "VK_ERROR_OUT_OF_DATE_KHR";
case VK_ERROR_INCOMPATIBLE_DISPLAY_KHR:
return "VK_ERROR_INCOMPATIBLE_DISPLAY_KHR";
case VK_ERROR_VALIDATION_FAILED_EXT:
return "VK_ERROR_VALIDATION_FAILED_EXT";
case VK_ERROR_INVALID_SHADER_NV:
return "VK_ERROR_INVALID_SHADER_NV";
default:
return "UNKNOWN_VK_RESULT";
}
}
void LogVulkanResult(int level, const char* func_name, VkResult res, const char* msg, ...)
{
std::va_list ap;
va_start(ap, msg);
std::string real_msg = StringFromFormatV(msg, ap);
va_end(ap);
real_msg = StringFromFormat("(%s) %s (%d: %s)", func_name, real_msg.c_str(),
static_cast<int>(res), VkResultToString(res));
GENERIC_LOG(LogTypes::VIDEO, static_cast<LogTypes::LOG_LEVELS>(level), "%s", real_msg.c_str());
}
} // namespace Vulkan