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@@ -11,8 +11,17 @@
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// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification.
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// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/
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+// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app.
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+// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
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+// You will use those if you want to use this rendering back-end in your engine/app.
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+// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by
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+// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code.
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+// Read comments in imgui_impl_vulkan.h.
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+
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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+// 2019-XX-XX: *BREAKING CHANGE*: Vulkan: Added ImageCount/MinImageCount fields in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetMinImageCount().
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+// 2019-XX-XX: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindow() optional helper.
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// 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like.
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// 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int).
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// 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display.
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@@ -34,46 +43,61 @@
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#include "imgui_impl_vulkan.h"
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#include <stdio.h>
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-// Vulkan data
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-static const VkAllocationCallbacks* g_Allocator = NULL;
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-static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE;
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-static VkInstance g_Instance = VK_NULL_HANDLE;
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-static VkDevice g_Device = VK_NULL_HANDLE;
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-static uint32_t g_QueueFamily = (uint32_t)-1;
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-static VkQueue g_Queue = VK_NULL_HANDLE;
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-static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE;
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-static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE;
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-static VkRenderPass g_RenderPass = VK_NULL_HANDLE;
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-static void (*g_CheckVkResultFn)(VkResult err) = NULL;
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-
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-static VkDeviceSize g_BufferMemoryAlignment = 256;
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-static VkPipelineCreateFlags g_PipelineCreateFlags = 0;
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-
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-static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE;
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-static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE;
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-static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE;
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-static VkPipeline g_Pipeline = VK_NULL_HANDLE;
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-
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-// Frame data
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-struct FrameDataForRender
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+// Reusable buffers used for rendering 1 current in-flight frame, for ImGui_ImplVulkan_RenderDrawData()
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+// [Please zero-clear before use!]
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+struct ImGui_ImplVulkanH_FrameRenderBuffers
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{
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- VkDeviceMemory VertexBufferMemory;
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- VkDeviceMemory IndexBufferMemory;
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- VkDeviceSize VertexBufferSize;
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- VkDeviceSize IndexBufferSize;
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- VkBuffer VertexBuffer;
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- VkBuffer IndexBuffer;
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+ VkDeviceMemory VertexBufferMemory;
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+ VkDeviceMemory IndexBufferMemory;
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+ VkDeviceSize VertexBufferSize;
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+ VkDeviceSize IndexBufferSize;
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+ VkBuffer VertexBuffer;
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+ VkBuffer IndexBuffer;
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};
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-static int g_FrameIndex = 0;
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-static FrameDataForRender g_FramesDataBuffers[IMGUI_VK_QUEUED_FRAMES] = {};
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+
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+// Each viewport will hold 1 ImGui_ImplVulkanH_WindowRenderBuffers
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+// [Please zero-clear before use!]
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+struct ImGui_ImplVulkanH_WindowRenderBuffers
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+{
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+ uint32_t Index;
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+ uint32_t Count;
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+ ImGui_ImplVulkanH_FrameRenderBuffers* FrameRenderBuffers;
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+};
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+
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+// Vulkan data
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+static ImGui_ImplVulkan_InitInfo g_VulkanInitInfo = {};
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+static VkRenderPass g_RenderPass = VK_NULL_HANDLE;
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+static VkDeviceSize g_BufferMemoryAlignment = 256;
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+static VkPipelineCreateFlags g_PipelineCreateFlags = 0x00;
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+static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE;
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+static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE;
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+static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE;
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+static VkPipeline g_Pipeline = VK_NULL_HANDLE;
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// Font data
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-static VkSampler g_FontSampler = VK_NULL_HANDLE;
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-static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE;
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-static VkImage g_FontImage = VK_NULL_HANDLE;
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-static VkImageView g_FontView = VK_NULL_HANDLE;
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-static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE;
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-static VkBuffer g_UploadBuffer = VK_NULL_HANDLE;
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+static VkSampler g_FontSampler = VK_NULL_HANDLE;
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+static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE;
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+static VkImage g_FontImage = VK_NULL_HANDLE;
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+static VkImageView g_FontView = VK_NULL_HANDLE;
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+static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE;
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+static VkBuffer g_UploadBuffer = VK_NULL_HANDLE;
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+
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+// Render buffers
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+static ImGui_ImplVulkanH_WindowRenderBuffers g_MainWindowRenderBuffers;
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+
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+// Forward Declarations
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+bool ImGui_ImplVulkan_CreateDeviceObjects();
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+void ImGui_ImplVulkan_DestroyDeviceObjects();
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+void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator);
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+void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator);
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+void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator);
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+void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulkanH_WindowRenderBuffers* buffers, const VkAllocationCallbacks* allocator);
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+void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count);
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+void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator);
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+
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+//-----------------------------------------------------------------------------
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+// SHADERS
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+//-----------------------------------------------------------------------------
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// glsl_shader.vert, compiled with:
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// # glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert
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@@ -180,10 +204,15 @@ static uint32_t __glsl_shader_frag_spv[] =
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0x00010038
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};
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+//-----------------------------------------------------------------------------
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+// FUNCTIONS
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+//-----------------------------------------------------------------------------
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+
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static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits)
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{
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+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
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VkPhysicalDeviceMemoryProperties prop;
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- vkGetPhysicalDeviceMemoryProperties(g_PhysicalDevice, &prop);
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+ vkGetPhysicalDeviceMemoryProperties(v->PhysicalDevice, &prop);
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for (uint32_t i = 0; i < prop.memoryTypeCount; i++)
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if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<<i))
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return i;
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@@ -192,17 +221,19 @@ static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, ui
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static void check_vk_result(VkResult err)
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{
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- if (g_CheckVkResultFn)
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- g_CheckVkResultFn(err);
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+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
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+ if (v->CheckVkResultFn)
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+ v->CheckVkResultFn(err);
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}
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static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory, VkDeviceSize& p_buffer_size, size_t new_size, VkBufferUsageFlagBits usage)
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{
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+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
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VkResult err;
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if (buffer != VK_NULL_HANDLE)
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- vkDestroyBuffer(g_Device, buffer, g_Allocator);
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- if (buffer_memory)
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- vkFreeMemory(g_Device, buffer_memory, g_Allocator);
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+ vkDestroyBuffer(v->Device, buffer, v->Allocator);
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+ if (buffer_memory != VK_NULL_HANDLE)
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+ vkFreeMemory(v->Device, buffer_memory, v->Allocator);
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VkDeviceSize vertex_buffer_size_aligned = ((new_size - 1) / g_BufferMemoryAlignment + 1) * g_BufferMemoryAlignment;
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VkBufferCreateInfo buffer_info = {};
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@@ -210,20 +241,20 @@ static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory
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buffer_info.size = vertex_buffer_size_aligned;
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buffer_info.usage = usage;
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buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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- err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &buffer);
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+ err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &buffer);
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check_vk_result(err);
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VkMemoryRequirements req;
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- vkGetBufferMemoryRequirements(g_Device, buffer, &req);
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+ vkGetBufferMemoryRequirements(v->Device, buffer, &req);
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g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment;
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VkMemoryAllocateInfo alloc_info = {};
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alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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alloc_info.allocationSize = req.size;
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alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits);
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- err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &buffer_memory);
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+ err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &buffer_memory);
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check_vk_result(err);
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- err = vkBindBufferMemory(g_Device, buffer, buffer_memory, 0);
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+ err = vkBindBufferMemory(v->Device, buffer, buffer_memory, 0);
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check_vk_result(err);
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p_buffer_size = new_size;
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}
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@@ -238,25 +269,38 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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if (fb_width <= 0 || fb_height <= 0 || draw_data->TotalVtxCount == 0)
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return;
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+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
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+
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+ // Allocate array to store enough vertex/index buffers
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+ ImGui_ImplVulkanH_WindowRenderBuffers* wrb = &g_MainWindowRenderBuffers;
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+ if (wrb->FrameRenderBuffers == NULL)
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+ {
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+ wrb->Index = 0;
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+ wrb->Count = v->ImageCount;
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+ wrb->FrameRenderBuffers = (ImGui_ImplVulkanH_FrameRenderBuffers*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count);
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+ memset(wrb->FrameRenderBuffers, 0, sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count);
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+ }
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+ IM_ASSERT(wrb->Count == v->ImageCount);
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+ wrb->Index = (wrb->Index + 1) % wrb->Count;
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+ ImGui_ImplVulkanH_FrameRenderBuffers* rb = &wrb->FrameRenderBuffers[wrb->Index];
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+
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VkResult err;
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- FrameDataForRender* fd = &g_FramesDataBuffers[g_FrameIndex];
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- g_FrameIndex = (g_FrameIndex + 1) % IM_ARRAYSIZE(g_FramesDataBuffers);
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- // Create the Vertex and Index buffers:
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+ // Create or resize the vertex/index buffers
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size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert);
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size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx);
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- if (fd->VertexBuffer == VK_NULL_HANDLE || fd->VertexBufferSize < vertex_size)
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- CreateOrResizeBuffer(fd->VertexBuffer, fd->VertexBufferMemory, fd->VertexBufferSize, vertex_size, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
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- if (fd->IndexBuffer == VK_NULL_HANDLE || fd->IndexBufferSize < index_size)
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- CreateOrResizeBuffer(fd->IndexBuffer, fd->IndexBufferMemory, fd->IndexBufferSize, index_size, VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
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+ if (rb->VertexBuffer == VK_NULL_HANDLE || rb->VertexBufferSize < vertex_size)
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+ CreateOrResizeBuffer(rb->VertexBuffer, rb->VertexBufferMemory, rb->VertexBufferSize, vertex_size, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
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+ if (rb->IndexBuffer == VK_NULL_HANDLE || rb->IndexBufferSize < index_size)
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+ CreateOrResizeBuffer(rb->IndexBuffer, rb->IndexBufferMemory, rb->IndexBufferSize, index_size, VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
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// Upload vertex/index data into a single contiguous GPU buffer
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{
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ImDrawVert* vtx_dst = NULL;
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ImDrawIdx* idx_dst = NULL;
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- err = vkMapMemory(g_Device, fd->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst));
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+ err = vkMapMemory(v->Device, rb->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst));
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check_vk_result(err);
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- err = vkMapMemory(g_Device, fd->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst));
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+ err = vkMapMemory(v->Device, rb->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst));
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check_vk_result(err);
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for (int n = 0; n < draw_data->CmdListsCount; n++)
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{
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@@ -268,15 +312,15 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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}
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VkMappedMemoryRange range[2] = {};
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range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
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- range[0].memory = fd->VertexBufferMemory;
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+ range[0].memory = rb->VertexBufferMemory;
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range[0].size = VK_WHOLE_SIZE;
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range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
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- range[1].memory = fd->IndexBufferMemory;
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+ range[1].memory = rb->IndexBufferMemory;
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range[1].size = VK_WHOLE_SIZE;
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- err = vkFlushMappedMemoryRanges(g_Device, 2, range);
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+ err = vkFlushMappedMemoryRanges(v->Device, 2, range);
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check_vk_result(err);
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- vkUnmapMemory(g_Device, fd->VertexBufferMemory);
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- vkUnmapMemory(g_Device, fd->IndexBufferMemory);
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+ vkUnmapMemory(v->Device, rb->VertexBufferMemory);
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+ vkUnmapMemory(v->Device, rb->IndexBufferMemory);
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}
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// Bind pipeline and descriptor sets:
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@@ -288,10 +332,10 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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// Bind Vertex And Index Buffer:
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{
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- VkBuffer vertex_buffers[1] = { fd->VertexBuffer };
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+ VkBuffer vertex_buffers[1] = { rb->VertexBuffer };
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VkDeviceSize vertex_offset[1] = { 0 };
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vkCmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, vertex_offset);
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- vkCmdBindIndexBuffer(command_buffer, fd->IndexBuffer, 0, sizeof(ImDrawIdx) == 2 ? VK_INDEX_TYPE_UINT16 : VK_INDEX_TYPE_UINT32);
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+ vkCmdBindIndexBuffer(command_buffer, rb->IndexBuffer, 0, sizeof(ImDrawIdx) == 2 ? VK_INDEX_TYPE_UINT16 : VK_INDEX_TYPE_UINT32);
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}
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// Setup viewport:
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@@ -374,6 +418,7 @@ void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer comm
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bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
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{
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+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
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ImGuiIO& io = ImGui::GetIO();
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unsigned char* pixels;
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@@ -399,17 +444,17 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
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info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
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info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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- err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage);
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+ err = vkCreateImage(v->Device, &info, v->Allocator, &g_FontImage);
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check_vk_result(err);
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VkMemoryRequirements req;
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- vkGetImageMemoryRequirements(g_Device, g_FontImage, &req);
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+ vkGetImageMemoryRequirements(v->Device, g_FontImage, &req);
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VkMemoryAllocateInfo alloc_info = {};
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alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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alloc_info.allocationSize = req.size;
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alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits);
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- err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory);
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+ err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_FontMemory);
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check_vk_result(err);
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- err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0);
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+ err = vkBindImageMemory(v->Device, g_FontImage, g_FontMemory, 0);
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check_vk_result(err);
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}
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@@ -423,7 +468,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
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info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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info.subresourceRange.levelCount = 1;
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info.subresourceRange.layerCount = 1;
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- err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView);
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+ err = vkCreateImageView(v->Device, &info, v->Allocator, &g_FontView);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
@@ -439,7 +484,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
|
|
|
write_desc[0].descriptorCount = 1;
|
|
|
write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
|
|
|
write_desc[0].pImageInfo = desc_image;
|
|
|
- vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL);
|
|
|
+ vkUpdateDescriptorSets(v->Device, 1, write_desc, 0, NULL);
|
|
|
}
|
|
|
|
|
|
// Create the Upload Buffer:
|
|
|
@@ -449,34 +494,34 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
|
|
|
buffer_info.size = upload_size;
|
|
|
buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
|
|
|
buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
|
- err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer);
|
|
|
+ err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &g_UploadBuffer);
|
|
|
check_vk_result(err);
|
|
|
VkMemoryRequirements req;
|
|
|
- vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req);
|
|
|
+ vkGetBufferMemoryRequirements(v->Device, g_UploadBuffer, &req);
|
|
|
g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment;
|
|
|
VkMemoryAllocateInfo alloc_info = {};
|
|
|
alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
|
|
alloc_info.allocationSize = req.size;
|
|
|
alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits);
|
|
|
- err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory);
|
|
|
+ err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_UploadBufferMemory);
|
|
|
check_vk_result(err);
|
|
|
- err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0);
|
|
|
+ err = vkBindBufferMemory(v->Device, g_UploadBuffer, g_UploadBufferMemory, 0);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
// Upload to Buffer:
|
|
|
{
|
|
|
char* map = NULL;
|
|
|
- err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map));
|
|
|
+ err = vkMapMemory(v->Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map));
|
|
|
check_vk_result(err);
|
|
|
memcpy(map, pixels, upload_size);
|
|
|
VkMappedMemoryRange range[1] = {};
|
|
|
range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
|
|
|
range[0].memory = g_UploadBufferMemory;
|
|
|
range[0].size = upload_size;
|
|
|
- err = vkFlushMappedMemoryRanges(g_Device, 1, range);
|
|
|
+ err = vkFlushMappedMemoryRanges(v->Device, 1, range);
|
|
|
check_vk_result(err);
|
|
|
- vkUnmapMemory(g_Device, g_UploadBufferMemory);
|
|
|
+ vkUnmapMemory(v->Device, g_UploadBufferMemory);
|
|
|
}
|
|
|
|
|
|
// Copy to Image:
|
|
|
@@ -525,6 +570,7 @@ bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
|
|
|
|
|
|
bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
{
|
|
|
+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
|
|
|
VkResult err;
|
|
|
VkShaderModule vert_module;
|
|
|
VkShaderModule frag_module;
|
|
|
@@ -535,13 +581,13 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
|
|
vert_info.codeSize = sizeof(__glsl_shader_vert_spv);
|
|
|
vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv;
|
|
|
- err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module);
|
|
|
+ err = vkCreateShaderModule(v->Device, &vert_info, v->Allocator, &vert_module);
|
|
|
check_vk_result(err);
|
|
|
VkShaderModuleCreateInfo frag_info = {};
|
|
|
frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
|
|
frag_info.codeSize = sizeof(__glsl_shader_frag_spv);
|
|
|
frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv;
|
|
|
- err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module);
|
|
|
+ err = vkCreateShaderModule(v->Device, &frag_info, v->Allocator, &frag_module);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
@@ -558,7 +604,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
info.minLod = -1000;
|
|
|
info.maxLod = 1000;
|
|
|
info.maxAnisotropy = 1.0f;
|
|
|
- err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler);
|
|
|
+ err = vkCreateSampler(v->Device, &info, v->Allocator, &g_FontSampler);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
@@ -574,7 +620,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
|
|
|
info.bindingCount = 1;
|
|
|
info.pBindings = binding;
|
|
|
- err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout);
|
|
|
+ err = vkCreateDescriptorSetLayout(v->Device, &info, v->Allocator, &g_DescriptorSetLayout);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
@@ -582,10 +628,10 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
{
|
|
|
VkDescriptorSetAllocateInfo alloc_info = {};
|
|
|
alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
|
|
|
- alloc_info.descriptorPool = g_DescriptorPool;
|
|
|
+ alloc_info.descriptorPool = v->DescriptorPool;
|
|
|
alloc_info.descriptorSetCount = 1;
|
|
|
alloc_info.pSetLayouts = &g_DescriptorSetLayout;
|
|
|
- err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet);
|
|
|
+ err = vkAllocateDescriptorSets(v->Device, &alloc_info, &g_DescriptorSet);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
@@ -603,7 +649,7 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
layout_info.pSetLayouts = set_layout;
|
|
|
layout_info.pushConstantRangeCount = 1;
|
|
|
layout_info.pPushConstantRanges = push_constants;
|
|
|
- err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout);
|
|
|
+ err = vkCreatePipelineLayout(v->Device, &layout_info, v->Allocator, &g_PipelineLayout);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
|
|
|
@@ -701,49 +747,43 @@ bool ImGui_ImplVulkan_CreateDeviceObjects()
|
|
|
info.pDynamicState = &dynamic_state;
|
|
|
info.layout = g_PipelineLayout;
|
|
|
info.renderPass = g_RenderPass;
|
|
|
- err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline);
|
|
|
+ err = vkCreateGraphicsPipelines(v->Device, v->PipelineCache, 1, &info, v->Allocator, &g_Pipeline);
|
|
|
check_vk_result(err);
|
|
|
|
|
|
- vkDestroyShaderModule(g_Device, vert_module, g_Allocator);
|
|
|
- vkDestroyShaderModule(g_Device, frag_module, g_Allocator);
|
|
|
+ vkDestroyShaderModule(v->Device, vert_module, v->Allocator);
|
|
|
+ vkDestroyShaderModule(v->Device, frag_module, v->Allocator);
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
-void ImGui_ImplVulkan_InvalidateFontUploadObjects()
|
|
|
+void ImGui_ImplVulkan_DestroyFontUploadObjects()
|
|
|
{
|
|
|
+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
|
|
|
if (g_UploadBuffer)
|
|
|
{
|
|
|
- vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator);
|
|
|
+ vkDestroyBuffer(v->Device, g_UploadBuffer, v->Allocator);
|
|
|
g_UploadBuffer = VK_NULL_HANDLE;
|
|
|
}
|
|
|
if (g_UploadBufferMemory)
|
|
|
{
|
|
|
- vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator);
|
|
|
+ vkFreeMemory(v->Device, g_UploadBufferMemory, v->Allocator);
|
|
|
g_UploadBufferMemory = VK_NULL_HANDLE;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
-void ImGui_ImplVulkan_InvalidateDeviceObjects()
|
|
|
+void ImGui_ImplVulkan_DestroyDeviceObjects()
|
|
|
{
|
|
|
- ImGui_ImplVulkan_InvalidateFontUploadObjects();
|
|
|
-
|
|
|
- for (int i = 0; i < IM_ARRAYSIZE(g_FramesDataBuffers); i++)
|
|
|
- {
|
|
|
- FrameDataForRender* fd = &g_FramesDataBuffers[i];
|
|
|
- if (fd->VertexBuffer) { vkDestroyBuffer (g_Device, fd->VertexBuffer, g_Allocator); fd->VertexBuffer = VK_NULL_HANDLE; }
|
|
|
- if (fd->VertexBufferMemory) { vkFreeMemory (g_Device, fd->VertexBufferMemory, g_Allocator); fd->VertexBufferMemory = VK_NULL_HANDLE; }
|
|
|
- if (fd->IndexBuffer) { vkDestroyBuffer (g_Device, fd->IndexBuffer, g_Allocator); fd->IndexBuffer = VK_NULL_HANDLE; }
|
|
|
- if (fd->IndexBufferMemory) { vkFreeMemory (g_Device, fd->IndexBufferMemory, g_Allocator); fd->IndexBufferMemory = VK_NULL_HANDLE; }
|
|
|
- }
|
|
|
-
|
|
|
- if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; }
|
|
|
- if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; }
|
|
|
- if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; }
|
|
|
- if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; }
|
|
|
- if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; }
|
|
|
- if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; }
|
|
|
- if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; }
|
|
|
+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
|
|
|
+ ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator);
|
|
|
+ ImGui_ImplVulkan_DestroyFontUploadObjects();
|
|
|
+
|
|
|
+ if (g_FontView) { vkDestroyImageView(v->Device, g_FontView, v->Allocator); g_FontView = VK_NULL_HANDLE; }
|
|
|
+ if (g_FontImage) { vkDestroyImage(v->Device, g_FontImage, v->Allocator); g_FontImage = VK_NULL_HANDLE; }
|
|
|
+ if (g_FontMemory) { vkFreeMemory(v->Device, g_FontMemory, v->Allocator); g_FontMemory = VK_NULL_HANDLE; }
|
|
|
+ if (g_FontSampler) { vkDestroySampler(v->Device, g_FontSampler, v->Allocator); g_FontSampler = VK_NULL_HANDLE; }
|
|
|
+ if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(v->Device, g_DescriptorSetLayout, v->Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; }
|
|
|
+ if (g_PipelineLayout) { vkDestroyPipelineLayout(v->Device, g_PipelineLayout, v->Allocator); g_PipelineLayout = VK_NULL_HANDLE; }
|
|
|
+ if (g_Pipeline) { vkDestroyPipeline(v->Device, g_Pipeline, v->Allocator); g_Pipeline = VK_NULL_HANDLE; }
|
|
|
}
|
|
|
|
|
|
bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass)
|
|
|
@@ -756,19 +796,12 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
|
|
|
IM_ASSERT(info->Device != VK_NULL_HANDLE);
|
|
|
IM_ASSERT(info->Queue != VK_NULL_HANDLE);
|
|
|
IM_ASSERT(info->DescriptorPool != VK_NULL_HANDLE);
|
|
|
+ IM_ASSERT(info->MinImageCount >= 2);
|
|
|
+ IM_ASSERT(info->ImageCount >= info->MinImageCount);
|
|
|
IM_ASSERT(render_pass != VK_NULL_HANDLE);
|
|
|
|
|
|
- g_Instance = info->Instance;
|
|
|
- g_PhysicalDevice = info->PhysicalDevice;
|
|
|
- g_Device = info->Device;
|
|
|
- g_QueueFamily = info->QueueFamily;
|
|
|
- g_Queue = info->Queue;
|
|
|
+ g_VulkanInitInfo = *info;
|
|
|
g_RenderPass = render_pass;
|
|
|
- g_PipelineCache = info->PipelineCache;
|
|
|
- g_DescriptorPool = info->DescriptorPool;
|
|
|
- g_Allocator = info->Allocator;
|
|
|
- g_CheckVkResultFn = info->CheckVkResultFn;
|
|
|
-
|
|
|
ImGui_ImplVulkan_CreateDeviceObjects();
|
|
|
|
|
|
return true;
|
|
|
@@ -776,16 +809,30 @@ bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass rend
|
|
|
|
|
|
void ImGui_ImplVulkan_Shutdown()
|
|
|
{
|
|
|
- ImGui_ImplVulkan_InvalidateDeviceObjects();
|
|
|
+ ImGui_ImplVulkan_DestroyDeviceObjects();
|
|
|
}
|
|
|
|
|
|
void ImGui_ImplVulkan_NewFrame()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
+void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count)
|
|
|
+{
|
|
|
+ IM_ASSERT(min_image_count >= 2);
|
|
|
+ if (g_VulkanInitInfo.MinImageCount == min_image_count)
|
|
|
+ return;
|
|
|
+
|
|
|
+ ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo;
|
|
|
+ VkResult err = vkDeviceWaitIdle(v->Device);
|
|
|
+ check_vk_result(err);
|
|
|
+ ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator);
|
|
|
+ g_VulkanInitInfo.MinImageCount = min_image_count;
|
|
|
+}
|
|
|
+
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
|
// Internal / Miscellaneous Vulkan Helpers
|
|
|
+// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own app.)
|
|
|
//-------------------------------------------------------------------------
|
|
|
// You probably do NOT need to use or care about those functions.
|
|
|
// Those functions only exist because:
|
|
|
@@ -793,40 +840,12 @@ void ImGui_ImplVulkan_NewFrame()
|
|
|
// 2) the upcoming multi-viewport feature will need them internally.
|
|
|
// Generally we avoid exposing any kind of superfluous high-level helpers in the bindings,
|
|
|
// but it is too much code to duplicate everywhere so we exceptionally expose them.
|
|
|
-// Your application/engine will likely already have code to setup all that stuff (swap chain, render pass, frame buffers, etc.).
|
|
|
+//
|
|
|
+// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.).
|
|
|
// You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work.
|
|
|
-// (those functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions)
|
|
|
+// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions)
|
|
|
//-------------------------------------------------------------------------
|
|
|
|
|
|
-#include <stdlib.h> // malloc
|
|
|
-
|
|
|
-ImGui_ImplVulkanH_FrameData::ImGui_ImplVulkanH_FrameData()
|
|
|
-{
|
|
|
- BackbufferIndex = 0;
|
|
|
- CommandPool = VK_NULL_HANDLE;
|
|
|
- CommandBuffer = VK_NULL_HANDLE;
|
|
|
- Fence = VK_NULL_HANDLE;
|
|
|
- ImageAcquiredSemaphore = VK_NULL_HANDLE;
|
|
|
- RenderCompleteSemaphore = VK_NULL_HANDLE;
|
|
|
-}
|
|
|
-
|
|
|
-ImGui_ImplVulkanH_WindowData::ImGui_ImplVulkanH_WindowData()
|
|
|
-{
|
|
|
- Width = Height = 0;
|
|
|
- Swapchain = VK_NULL_HANDLE;
|
|
|
- Surface = VK_NULL_HANDLE;
|
|
|
- memset(&SurfaceFormat, 0, sizeof(SurfaceFormat));
|
|
|
- PresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR;
|
|
|
- RenderPass = VK_NULL_HANDLE;
|
|
|
- ClearEnable = true;
|
|
|
- memset(&ClearValue, 0, sizeof(ClearValue));
|
|
|
- BackBufferCount = 0;
|
|
|
- memset(&BackBuffer, 0, sizeof(BackBuffer));
|
|
|
- memset(&BackBufferView, 0, sizeof(BackBufferView));
|
|
|
- memset(&Framebuffer, 0, sizeof(Framebuffer));
|
|
|
- FrameIndex = 0;
|
|
|
-}
|
|
|
-
|
|
|
VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space)
|
|
|
{
|
|
|
IM_ASSERT(request_formats != NULL);
|
|
|
@@ -893,7 +912,7 @@ VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_d
|
|
|
return VK_PRESENT_MODE_FIFO_KHR; // Always available
|
|
|
}
|
|
|
|
|
|
-void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, uint32_t queue_family, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator)
|
|
|
+void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator)
|
|
|
{
|
|
|
IM_ASSERT(physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE);
|
|
|
(void)physical_device;
|
|
|
@@ -901,9 +920,10 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_
|
|
|
|
|
|
// Create Command Buffers
|
|
|
VkResult err;
|
|
|
- for (int i = 0; i < IM_ARRAYSIZE(wd->Frames); i++)
|
|
|
+ for (uint32_t i = 0; i < wd->ImageCount; i++)
|
|
|
{
|
|
|
- ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i];
|
|
|
+ ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i];
|
|
|
+ ImGui_ImplVulkanH_FrameSemaphores* fsd = &wd->FrameSemaphores[i];
|
|
|
{
|
|
|
VkCommandPoolCreateInfo info = {};
|
|
|
info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
|
|
|
@@ -931,9 +951,9 @@ void ImGui_ImplVulkanH_CreateWindowDataCommandBuffers(VkPhysicalDevice physical_
|
|
|
{
|
|
|
VkSemaphoreCreateInfo info = {};
|
|
|
info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
|
|
|
- err = vkCreateSemaphore(device, &info, allocator, &fd->ImageAcquiredSemaphore);
|
|
|
+ err = vkCreateSemaphore(device, &info, allocator, &fsd->ImageAcquiredSemaphore);
|
|
|
check_vk_result(err);
|
|
|
- err = vkCreateSemaphore(device, &info, allocator, &fd->RenderCompleteSemaphore);
|
|
|
+ err = vkCreateSemaphore(device, &info, allocator, &fsd->RenderCompleteSemaphore);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
}
|
|
|
@@ -951,24 +971,26 @@ int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_m
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
-void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator, int w, int h)
|
|
|
+// Also destroy old swap chain and in-flight frames data, if any.
|
|
|
+void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count)
|
|
|
{
|
|
|
- uint32_t min_image_count = 2; // FIXME: this should become a function parameter
|
|
|
-
|
|
|
VkResult err;
|
|
|
VkSwapchainKHR old_swapchain = wd->Swapchain;
|
|
|
err = vkDeviceWaitIdle(device);
|
|
|
check_vk_result(err);
|
|
|
|
|
|
+ // We don't use ImGui_ImplVulkanH_DestroyWindow() because we want to preserve the old swapchain to create the new one.
|
|
|
// Destroy old Framebuffer
|
|
|
- for (uint32_t i = 0; i < wd->BackBufferCount; i++)
|
|
|
+ for (uint32_t i = 0; i < wd->ImageCount; i++)
|
|
|
{
|
|
|
- if (wd->BackBufferView[i])
|
|
|
- vkDestroyImageView(device, wd->BackBufferView[i], allocator);
|
|
|
- if (wd->Framebuffer[i])
|
|
|
- vkDestroyFramebuffer(device, wd->Framebuffer[i], allocator);
|
|
|
+ ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
|
|
|
+ ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
|
|
|
}
|
|
|
- wd->BackBufferCount = 0;
|
|
|
+ IM_FREE(wd->Frames);
|
|
|
+ IM_FREE(wd->FrameSemaphores);
|
|
|
+ wd->Frames = NULL;
|
|
|
+ wd->FrameSemaphores = NULL;
|
|
|
+ wd->ImageCount = 0;
|
|
|
if (wd->RenderPass)
|
|
|
vkDestroyRenderPass(device, wd->RenderPass, allocator);
|
|
|
|
|
|
@@ -1012,10 +1034,21 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice
|
|
|
}
|
|
|
err = vkCreateSwapchainKHR(device, &info, allocator, &wd->Swapchain);
|
|
|
check_vk_result(err);
|
|
|
- err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, NULL);
|
|
|
+ err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, NULL);
|
|
|
check_vk_result(err);
|
|
|
- err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->BackBufferCount, wd->BackBuffer);
|
|
|
+ VkImage backbuffers[16] = {};
|
|
|
+ IM_ASSERT(wd->ImageCount >= min_image_count);
|
|
|
+ IM_ASSERT(wd->ImageCount < IM_ARRAYSIZE(backbuffers));
|
|
|
+ err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, backbuffers);
|
|
|
check_vk_result(err);
|
|
|
+
|
|
|
+ IM_ASSERT(wd->Frames == NULL);
|
|
|
+ wd->Frames = (ImGui_ImplVulkanH_Frame*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_Frame) * wd->ImageCount);
|
|
|
+ wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->ImageCount);
|
|
|
+ memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->ImageCount);
|
|
|
+ memset(wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->ImageCount);
|
|
|
+ for (uint32_t i = 0; i < wd->ImageCount; i++)
|
|
|
+ wd->Frames[i].Backbuffer = backbuffers[i];
|
|
|
}
|
|
|
if (old_swapchain)
|
|
|
vkDestroySwapchainKHR(device, old_swapchain, allocator);
|
|
|
@@ -1069,10 +1102,11 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice
|
|
|
info.components.a = VK_COMPONENT_SWIZZLE_A;
|
|
|
VkImageSubresourceRange image_range = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
|
|
|
info.subresourceRange = image_range;
|
|
|
- for (uint32_t i = 0; i < wd->BackBufferCount; i++)
|
|
|
+ for (uint32_t i = 0; i < wd->ImageCount; i++)
|
|
|
{
|
|
|
- info.image = wd->BackBuffer[i];
|
|
|
- err = vkCreateImageView(device, &info, allocator, &wd->BackBufferView[i]);
|
|
|
+ ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i];
|
|
|
+ info.image = fd->Backbuffer;
|
|
|
+ err = vkCreateImageView(device, &info, allocator, &fd->BackbufferView);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
}
|
|
|
@@ -1088,36 +1122,80 @@ void ImGui_ImplVulkanH_CreateWindowDataSwapChainAndFramebuffer(VkPhysicalDevice
|
|
|
info.width = wd->Width;
|
|
|
info.height = wd->Height;
|
|
|
info.layers = 1;
|
|
|
- for (uint32_t i = 0; i < wd->BackBufferCount; i++)
|
|
|
+ for (uint32_t i = 0; i < wd->ImageCount; i++)
|
|
|
{
|
|
|
- attachment[0] = wd->BackBufferView[i];
|
|
|
- err = vkCreateFramebuffer(device, &info, allocator, &wd->Framebuffer[i]);
|
|
|
+ ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i];
|
|
|
+ attachment[0] = fd->BackbufferView;
|
|
|
+ err = vkCreateFramebuffer(device, &info, allocator, &fd->Framebuffer);
|
|
|
check_vk_result(err);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
-void ImGui_ImplVulkanH_DestroyWindowData(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_WindowData* wd, const VkAllocationCallbacks* allocator)
|
|
|
+void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count)
|
|
|
+{
|
|
|
+ (void)instance;
|
|
|
+ ImGui_ImplVulkanH_CreateWindowSwapChain(physical_device, device, wd, allocator, width, height, min_image_count);
|
|
|
+ ImGui_ImplVulkanH_CreateWindowCommandBuffers(physical_device, device, wd, queue_family, allocator);
|
|
|
+}
|
|
|
+
|
|
|
+void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator)
|
|
|
{
|
|
|
vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals)
|
|
|
//vkQueueWaitIdle(g_Queue);
|
|
|
|
|
|
- for (int i = 0; i < IM_ARRAYSIZE(wd->Frames); i++)
|
|
|
+ for (uint32_t i = 0; i < wd->ImageCount; i++)
|
|
|
{
|
|
|
- ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[i];
|
|
|
- vkDestroyFence(device, fd->Fence, allocator);
|
|
|
- vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer);
|
|
|
- vkDestroyCommandPool(device, fd->CommandPool, allocator);
|
|
|
- vkDestroySemaphore(device, fd->ImageAcquiredSemaphore, allocator);
|
|
|
- vkDestroySemaphore(device, fd->RenderCompleteSemaphore, allocator);
|
|
|
- }
|
|
|
- for (uint32_t i = 0; i < wd->BackBufferCount; i++)
|
|
|
- {
|
|
|
- vkDestroyImageView(device, wd->BackBufferView[i], allocator);
|
|
|
- vkDestroyFramebuffer(device, wd->Framebuffer[i], allocator);
|
|
|
+ ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator);
|
|
|
+ ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator);
|
|
|
}
|
|
|
+ IM_FREE(wd->Frames);
|
|
|
+ IM_FREE(wd->FrameSemaphores);
|
|
|
+ wd->Frames = NULL;
|
|
|
+ wd->FrameSemaphores = NULL;
|
|
|
vkDestroyRenderPass(device, wd->RenderPass, allocator);
|
|
|
vkDestroySwapchainKHR(device, wd->Swapchain, allocator);
|
|
|
vkDestroySurfaceKHR(instance, wd->Surface, allocator);
|
|
|
- *wd = ImGui_ImplVulkanH_WindowData();
|
|
|
+
|
|
|
+ *wd = ImGui_ImplVulkanH_Window();
|
|
|
+}
|
|
|
+
|
|
|
+void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator)
|
|
|
+{
|
|
|
+ vkDestroyFence(device, fd->Fence, allocator);
|
|
|
+ vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer);
|
|
|
+ vkDestroyCommandPool(device, fd->CommandPool, allocator);
|
|
|
+ fd->Fence = VK_NULL_HANDLE;
|
|
|
+ fd->CommandBuffer = VK_NULL_HANDLE;
|
|
|
+ fd->CommandPool = VK_NULL_HANDLE;
|
|
|
+
|
|
|
+ vkDestroyImageView(device, fd->BackbufferView, allocator);
|
|
|
+ vkDestroyFramebuffer(device, fd->Framebuffer, allocator);
|
|
|
+}
|
|
|
+
|
|
|
+void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator)
|
|
|
+{
|
|
|
+ vkDestroySemaphore(device, fsd->ImageAcquiredSemaphore, allocator);
|
|
|
+ vkDestroySemaphore(device, fsd->RenderCompleteSemaphore, allocator);
|
|
|
+ fsd->ImageAcquiredSemaphore = fsd->RenderCompleteSemaphore = VK_NULL_HANDLE;
|
|
|
+}
|
|
|
+
|
|
|
+void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator)
|
|
|
+{
|
|
|
+ if (buffers->VertexBuffer) { vkDestroyBuffer(device, buffers->VertexBuffer, allocator); buffers->VertexBuffer = VK_NULL_HANDLE; }
|
|
|
+ if (buffers->VertexBufferMemory) { vkFreeMemory(device, buffers->VertexBufferMemory, allocator); buffers->VertexBufferMemory = VK_NULL_HANDLE; }
|
|
|
+ if (buffers->IndexBuffer) { vkDestroyBuffer(device, buffers->IndexBuffer, allocator); buffers->IndexBuffer = VK_NULL_HANDLE; }
|
|
|
+ if (buffers->IndexBufferMemory) { vkFreeMemory(device, buffers->IndexBufferMemory, allocator); buffers->IndexBufferMemory = VK_NULL_HANDLE; }
|
|
|
+ buffers->VertexBufferSize = 0;
|
|
|
+ buffers->IndexBufferSize = 0;
|
|
|
+}
|
|
|
+
|
|
|
+void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulkanH_WindowRenderBuffers* buffers, const VkAllocationCallbacks* allocator)
|
|
|
+{
|
|
|
+ for (uint32_t n = 0; n < buffers->Count; n++)
|
|
|
+ ImGui_ImplVulkanH_DestroyFrameRenderBuffers(device, &buffers->FrameRenderBuffers[n], allocator);
|
|
|
+ IM_FREE(buffers->FrameRenderBuffers);
|
|
|
+ buffers->FrameRenderBuffers = NULL;
|
|
|
+ buffers->Index = 0;
|
|
|
+ buffers->Count = 0;
|
|
|
}
|
omar