Switched to imgui fork https://github.com/thedmd/imgui/commits/feature/docking-layout-external/ commit 899d85eb9489796f73a4dc67ad86892729707ce9
This commit is contained in:
@@ -42,4 +42,4 @@ file(GLOB sources *.cpp)
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add_executable(example_glfw_vulkan ${sources} ${IMGUI_DIR}/backends/imgui_impl_glfw.cpp ${IMGUI_DIR}/backends/imgui_impl_vulkan.cpp ${IMGUI_DIR}/imgui.cpp ${IMGUI_DIR}/imgui_draw.cpp ${IMGUI_DIR}/imgui_demo.cpp ${IMGUI_DIR}/imgui_tables.cpp ${IMGUI_DIR}/imgui_widgets.cpp)
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target_link_libraries(example_glfw_vulkan ${LIBRARIES})
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target_compile_definitions(example_glfw_vulkan PUBLIC -DImTextureID=ImU64)
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@@ -7,8 +7,8 @@
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@set OUT_DIR=Debug
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mkdir %OUT_DIR%
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cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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@set OUT_DIR=Release
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mkdir %OUT_DIR%
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cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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@@ -1,14 +1,13 @@
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@REM Build for Visual Studio compiler. Run your copy of vcvars64.bat or vcvarsall.bat to setup 64-bit command-line compiler.
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@REM Build for Visual Studio compiler. Run your copy of amd64/vcvars32.bat to setup 64-bit command-line compiler.
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@set OUT_EXE=example_glfw_vulkan
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@set INCLUDES=/I..\.. /I..\..\backends /I..\libs\glfw\include /I %VULKAN_SDK%\include
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@set SOURCES=main.cpp ..\..\backends\imgui_impl_vulkan.cpp ..\..\backends\imgui_impl_glfw.cpp ..\..\imgui*.cpp
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@set LIBS=/LIBPATH:..\libs\glfw\lib-vc2010-64 /libpath:%VULKAN_SDK%\lib glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib
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@set OUT_DIR=Debug
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mkdir %OUT_DIR%
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cl /nologo /Zi /MD /utf-8 %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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@set OUT_DIR=Release
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mkdir %OUT_DIR%
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cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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cl /nologo /Zi /MD /utf-8 /Ox /Oi %INCLUDES% /D ImTextureID=ImU64 %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
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@@ -91,7 +91,7 @@
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<WarningLevel>Level4</WarningLevel>
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<Optimization>Disabled</Optimization>
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<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
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</ClCompile>
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<Link>
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@@ -107,7 +107,7 @@
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<WarningLevel>Level4</WarningLevel>
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<Optimization>Disabled</Optimization>
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<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
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</ClCompile>
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<Link>
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@@ -126,7 +126,7 @@
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
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</ClCompile>
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<Link>
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@@ -148,7 +148,7 @@
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<AdditionalIncludeDirectories>..\..;..\..\backends;%VULKAN_SDK%\include;..\libs\glfw\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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<PreprocessorDefinitions>_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<PreprocessorDefinitions>ImTextureID=ImU64;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
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</ClCompile>
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<Link>
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+59
-23
@@ -52,7 +52,7 @@ static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE;
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static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
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static ImGui_ImplVulkanH_Window g_MainWindowData;
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static uint32_t g_MinImageCount = 2;
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static int g_MinImageCount = 2;
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static bool g_SwapChainRebuild = false;
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static void glfw_error_callback(int error, const char* description)
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@@ -61,7 +61,7 @@ static void glfw_error_callback(int error, const char* description)
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}
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static void check_vk_result(VkResult err)
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{
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if (err == VK_SUCCESS)
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if (err == 0)
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return;
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fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
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if (err < 0)
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@@ -85,6 +85,35 @@ static bool IsExtensionAvailable(const ImVector<VkExtensionProperties>& properti
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return false;
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}
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static VkPhysicalDevice SetupVulkan_SelectPhysicalDevice()
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{
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uint32_t gpu_count;
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VkResult err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, nullptr);
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check_vk_result(err);
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IM_ASSERT(gpu_count > 0);
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ImVector<VkPhysicalDevice> gpus;
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gpus.resize(gpu_count);
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err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus.Data);
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check_vk_result(err);
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// If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers
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// most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple
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// dedicated GPUs) is out of scope of this sample.
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for (VkPhysicalDevice& device : gpus)
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{
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VkPhysicalDeviceProperties properties;
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vkGetPhysicalDeviceProperties(device, &properties);
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if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
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return device;
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}
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// Use first GPU (Integrated) is a Discrete one is not available.
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if (gpu_count > 0)
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return gpus[0];
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return VK_NULL_HANDLE;
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}
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static void SetupVulkan(ImVector<const char*> instance_extensions)
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{
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VkResult err;
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@@ -148,12 +177,23 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
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}
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// Select Physical Device (GPU)
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g_PhysicalDevice = ImGui_ImplVulkanH_SelectPhysicalDevice(g_Instance);
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IM_ASSERT(g_PhysicalDevice != VK_NULL_HANDLE);
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g_PhysicalDevice = SetupVulkan_SelectPhysicalDevice();
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// Select graphics queue family
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g_QueueFamily = ImGui_ImplVulkanH_SelectQueueFamilyIndex(g_PhysicalDevice);
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IM_ASSERT(g_QueueFamily != (uint32_t)-1);
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{
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uint32_t count;
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vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, nullptr);
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VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count);
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vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues);
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for (uint32_t i = 0; i < count; i++)
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if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
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{
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g_QueueFamily = i;
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break;
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}
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free(queues);
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IM_ASSERT(g_QueueFamily != (uint32_t)-1);
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}
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// Create Logical Device (with 1 queue)
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{
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@@ -189,18 +229,17 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
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}
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// Create Descriptor Pool
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// If you wish to load e.g. additional textures you may need to alter pools sizes and maxSets.
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// The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that)
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// If you wish to load e.g. additional textures you may need to alter pools sizes.
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{
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VkDescriptorPoolSize pool_sizes[] =
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{
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, IMGUI_IMPL_VULKAN_MINIMUM_IMAGE_SAMPLER_POOL_SIZE },
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 },
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};
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VkDescriptorPoolCreateInfo pool_info = {};
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pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
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pool_info.maxSets = 0;
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for (VkDescriptorPoolSize& pool_size : pool_sizes)
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pool_info.maxSets += pool_size.descriptorCount;
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pool_info.maxSets = 1;
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pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
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pool_info.pPoolSizes = pool_sizes;
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err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
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@@ -263,15 +302,17 @@ static void CleanupVulkanWindow()
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static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
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{
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VkResult err;
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VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore;
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VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
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VkResult err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
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err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
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if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
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{
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g_SwapChainRebuild = true;
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if (err == VK_ERROR_OUT_OF_DATE_KHR)
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return;
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if (err != VK_SUBOPTIMAL_KHR)
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check_vk_result(err);
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}
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check_vk_result(err);
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ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex];
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{
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@@ -340,11 +381,11 @@ static void FramePresent(ImGui_ImplVulkanH_Window* wd)
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info.pImageIndices = &wd->FrameIndex;
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VkResult err = vkQueuePresentKHR(g_Queue, &info);
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if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
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{
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g_SwapChainRebuild = true;
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if (err == VK_ERROR_OUT_OF_DATE_KHR)
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return;
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if (err != VK_SUBOPTIMAL_KHR)
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check_vk_result(err);
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}
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check_vk_result(err);
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wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->SemaphoreCount; // Now we can use the next set of semaphores
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}
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@@ -465,11 +506,6 @@ int main(int, char**)
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g_MainWindowData.FrameIndex = 0;
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g_SwapChainRebuild = false;
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}
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if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0)
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{
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ImGui_ImplGlfw_Sleep(10);
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continue;
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}
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// Start the Dear ImGui frame
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ImGui_ImplVulkan_NewFrame();
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