Init

2025-01-12 18:33:36 -05:00
commit 7a66ef5269
54 changed files with 12993 additions and 0 deletions
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+package impl_vulkan
+
+import imgui "../"
+import vk "vendor:vulkan"
+
+when ODIN_OS == .Windows {
+	foreign import impl_vulkan "../lib/dcimgui_impl_vulkan.lib"
+} else when ODIN_OS == .Linux {
+	foreign import impl_vulkan "../lib/linux/libdcimgui_impl_vulkan.a"
+} else when ODIN_OS == .Darwin {
+	foreign import impl_vulkan "../lib/darwin/libdcimgui_impl_vulkan_arm64.a"
+	// #panic(`Vulkan backend is not implemented yet for macOS; Consider using Metal instead`)
+}
+
+@(default_calling_convention = "cdecl", link_prefix = "cImGui_ImplVulkan_")
+foreign impl_vulkan {
+	Init :: proc(info: ^InitInfo) -> b8 ---
+	Shutdown :: proc() ---
+	NewFrame :: proc() ---
+	RenderDrawData :: proc(draw_data: ^imgui.ImDrawData, command_buffer: vk.CommandBuffer, pipeline: vk.Pipeline = 0) ---
+	CreateFontsTexture :: proc() -> b8 ---
+	DestroyFontsTexture :: proc() ---
+	SetMinImageCount :: proc(min_image_count: u32) ---
+	AddTexture :: proc(sampler: vk.Sampler, image_view: vk.ImageView, image_layout: vk.ImageLayout) -> vk.DescriptorSet ---
+	RemoveTexture :: proc(descriptor_set: vk.DescriptorSet) ---
+	LoadFunctions :: proc(loader_func: proc(function_name: cstring, user_data: rawptr), user_data: rawptr = nil) -> b8 ---
+}
+
+@(default_calling_convention = "cdecl", link_prefix = "cImGui_ImplVulkanH_")
+foreign impl_vulkan {
+	CreateOrResizeWindow :: proc(
+		instance: vk.Instance, 
+		physical_device: vk.PhysicalDevice, 
+		device: vk.Device, 
+		wnd: ^Window, 
+		queue_family: u32, 
+		allocator: ^vk.AllocationCallbacks, 
+		w: i32, 
+		h: i32, 
+		min_image_count: u32) ---
+	DestroyWindow :: proc(instance: vk.Instance, device: vk.Device, wnd: ^Window, allocator: ^vk.AllocationCallbacks) ---
+	SelectSurfaceFormat :: proc(physical_device: vk.PhysicalDevice, surface: vk.SurfaceKHR, request_formats: [^]vk.Format, request_formats_count: i32, request_color_space: vk.ColorSpaceKHR) -> vk.SurfaceFormatKHR ---
+	SelectPresentMode :: proc(physical_device: vk.PhysicalDevice, surface: vk.SurfaceKHR, request_modes: [^]vk.PresentModeKHR, request_modes_count: i32) -> vk.PresentModeKHR ---
+	GetMinImageCountFromPresentMode :: proc(present_mode: vk.PresentModeKHR) -> i32 ---
+}
+InitInfo :: struct {
+	Instance:                    vk.Instance,
+	PhysicalDevice:              vk.PhysicalDevice,
+	Device:                      vk.Device,
+	QueueFamily:                 u32,
+	Queue:                       vk.Queue,
+	DescriptorPool:              vk.DescriptorPool,
+	RenderPass:                  vk.RenderPass,
+	MinImageCount:               u32,
+	ImageCount:                  u32,
+	MSAASamples:                 vk.SampleCountFlags,
+	PipelineCache:               vk.PipelineCache,
+	Subpass:                     u32,
+	DescriptorPoolSize:          u32,
+	UseDynamicRendering:         b8,
+	PipelineRenderingCreateInfo: vk.PipelineRenderingCreateInfoKHR,
+	Allocator:                   ^vk.AllocationCallbacks,
+	CheckVkResultFn:             proc(err: vk.Result),
+	MinAllocationSize:           vk.DeviceSize,
+}
+
+RenderState :: struct {
+	CommandBuffer:  vk.CommandBuffer,
+	Pipeline:       vk.Pipeline,
+	PipelineLayout: vk.PipelineLayout,
+}
+Frame :: struct {
+	CommandPool:    vk.CommandPool,
+	CommandBuffer:  vk.CommandBuffer,
+	Fence:          vk.Fence,
+	Backbuffer:     vk.Image,
+	BackbufferView: vk.ImageView,
+	Framebuffer:    vk.Framebuffer,
+}
+FrameSemaphores :: struct {
+	ImageAcquiredSemaphore:  vk.Semaphore,
+	RenderCompleteSemaphore: vk.Semaphore,
+}
+Window :: struct {
+	Width:               i32,
+	Height:              i32,
+	Swapchain:           vk.SwapchainKHR,
+	Surface:             vk.SurfaceKHR,
+	SurfaceFormat:       vk.SurfaceFormatKHR,
+	PresentMode:         vk.PresentModeKHR,
+	RenderPass:          vk.RenderPass,
+	Pipeline:            vk.Pipeline,
+	UseDynamicRendering: b8,
+	ClearEnable:         b8,
+	ClearValue:          vk.ClearValue,
+	FrameIndex:          u32,
+	ImageCount:          u32,
+	SemaphoreCount:      u32,
+	SemaphoreIndex:      u32,
+	Frames:              [^]Frame,
+	FrameSemaphores:     [^]FrameSemaphores,
+}