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Improve SetDebugUtilsObjectName

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Johannes Schneider 2024-07-10 20:36:07 +02:00
parent 2547e8e940
commit b51e05e28b
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2 changed files with 20 additions and 5 deletions
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2
src/Tests.cpp
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@ -42,7 +42,7 @@ extern bool VK_KHR_maintenance5_enabled;
extern PFN_vkGetBufferDeviceAddressKHR g_vkGetBufferDeviceAddressKHR; extern PFN_vkGetBufferDeviceAddressKHR g_vkGetBufferDeviceAddressKHR;
void BeginSingleTimeCommands(); void BeginSingleTimeCommands();
void EndSingleTimeCommands(); void EndSingleTimeCommands();
void SetDebugUtilsObjectName(VkObjectType type, uint64_t handle, const char* name); void SetDebugUtilsObjectName(VkObjectType type, uint64_t handle, std::string);
#ifndef VMA_DEBUG_MARGIN #ifndef VMA_DEBUG_MARGIN
#define VMA_DEBUG_MARGIN 0 #define VMA_DEBUG_MARGIN 0

23
src/VulkanSample.cpp
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@ -28,6 +28,7 @@
#include "Common.h" #include "Common.h"
#include <atomic> #include <atomic>
#include <Shlwapi.h> #include <Shlwapi.h>
#include <unordered_set>
#pragma comment(lib, "shlwapi.lib") #pragma comment(lib, "shlwapi.lib")
@ -261,16 +262,30 @@ struct CommandLineParameters
} }
} g_CommandLineParameters; } g_CommandLineParameters;
void SetDebugUtilsObjectName(VkObjectType type, uint64_t handle, const char* name) void SetDebugUtilsObjectName(VkObjectType type, uint64_t handle, std::string name)
{ {
if(vkSetDebugUtilsObjectNameEXT_Func == nullptr) TEST(!name.empty());
// We must make sure the std::string we pass as name is still valid memory until the program ends.
// Since Vulkan is a C-Style API, it only accepts const char* as pObjectName parameter.
// Naming objects with unformatted names like "g_hTemporaryCommandBuffer" is no problem because
// this string ends up in the read-only data section of the program. However, if we for example want to
// name every item in a dynamic array of items (swapchain images for example), we can only use a std::string,
// and we must make sure the object lifetime of that string does not end before it's read as pObjectName.
// Therefore, we store the strings as a static unordered_set here just to be sure.
// Do not use a std::vector because it would continue to grow, eventually running out of memory.
static std::unordered_set<std::string> debug_names;
auto result = debug_names.insert(name);
const char* pObjectName = result.first->c_str();
if (vkSetDebugUtilsObjectNameEXT_Func == nullptr)
return; return;
VkDebugUtilsObjectNameInfoEXT info = { VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT }; VkDebugUtilsObjectNameInfoEXT info = { VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT };
info.objectType = type; info.objectType = type;
info.objectHandle = handle; info.objectHandle = handle;
info.pObjectName = name; info.pObjectName = pObjectName;
vkSetDebugUtilsObjectNameEXT_Func(g_hDevice, &info); ERR_GUARD_VULKAN( vkSetDebugUtilsObjectNameEXT_Func(g_hDevice, &info) );
} }
void BeginSingleTimeCommands() void BeginSingleTimeCommands()