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Backends: Vulkan: Added convenience support for Volk via IMGUI_IMPL_VULKAN_USE_VOLK define. (#6582, #4854)

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ocornut
2024-04-19 15:16:54 +02:00
parent 07e8ff9a8d
commit b720c0f541
5 changed files with 55 additions and 22 deletions
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24
examples/example_sdl2_vulkan/main.cpp
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@@ -20,8 +20,12 @@
#include <stdlib.h> // abort
#include <SDL.h>
#include <SDL_vulkan.h>
#include <vulkan/vulkan.h>
//#include <vulkan/vulkan_beta.h>
// Volk headers
#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
#define VOLK_IMPLEMENTATION
#include <Volk/volk.h>
#endif
//#define APP_USE_UNLIMITED_FRAME_RATE
#ifdef _DEBUG
@@ -101,6 +105,9 @@ static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice()
static void SetupVulkan(ImVector<const char*> instance_extensions)
{
VkResult err;
#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
volkInitialize();
#endif
// Create Vulkan Instance
{
@@ -139,17 +146,20 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
create_info.ppEnabledExtensionNames = instance_extensions.Data;
err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
check_vk_result(err);
#ifdef IMGUI_IMPL_VULKAN_USE_VOLK
volkLoadInstance(g_Instance);
#endif
// Setup the debug report callback
#ifdef APP_USE_VULKAN_DEBUG_REPORT
auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
IM_ASSERT(vkCreateDebugReportCallbackEXT != nullptr);
auto f_vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
IM_ASSERT(f_vkCreateDebugReportCallbackEXT != nullptr);
VkDebugReportCallbackCreateInfoEXT debug_report_ci = {};
debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
debug_report_ci.pfnCallback = debug_report;
debug_report_ci.pUserData = nullptr;
err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
err = f_vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
check_vk_result(err);
#endif
}
@@ -265,8 +275,8 @@ static void CleanupVulkan()
#ifdef APP_USE_VULKAN_DEBUG_REPORT
// Remove the debug report callback
auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
auto f_vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
f_vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
#endif // APP_USE_VULKAN_DEBUG_REPORT
vkDestroyDevice(g_Device, g_Allocator);