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clean up hook invocation

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This commit is contained in:
David Allemang
2024-07-09 23:02:24 -04:00
parent 4e2cf3eb3b
commit cb8684cbf3
5 changed files with 62 additions and 136 deletions
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42
src/nu/ImGui.zig
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@@ -5,32 +5,34 @@ const std = @import("std");
const vk = @import("vk");
const nu = @import("../nu.zig");
const au = @import("Render/au.zig");
const Render = @import("Render.zig");
const Window = @import("Window.zig");
const im = @import("cimgui");
pub usingnamespace im;
pub fn loader_wrapper(procname: [*c]const u8, _: ?*anyopaque) callconv(.C) vk.PfnVoidFunction {
return au.glfwGetInstanceProcAddress(au.I.handle, procname);
}
var ctx: *im.c.ImGuiContext = undefined;
var ctx: *im.ImGuiContext = undefined;
var descriptor_pool: vk.DescriptorPool = undefined;
pub fn init() !void {
ctx = im.c.igCreateContext(null) orelse {
ctx = im.igCreateContext(null) orelse {
return error.igCreateContextFailed;
};
errdefer im.c.igDestroyContext(ctx);
errdefer im.igDestroyContext(ctx);
if (!im.c.ImGui_ImplVulkan_LoadFunctions(loader_wrapper, null)) {
if (!im.impl.ImGui_ImplVulkan_LoadFunctions(loader_wrapper, null)) {
return error.igVulkanLoadFunctionsFailed;
}
if (!im.c.ImGui_ImplGlfw_InitForVulkan(@ptrCast(Window.handle), true)) {
if (!im.impl.ImGui_ImplGlfw_InitForVulkan(@ptrCast(Window.handle), true)) {
return error.igGlfwInitFailed;
}
errdefer im.c.ImGui_ImplGlfw_Shutdown();
errdefer im.impl.ImGui_ImplGlfw_Shutdown();
descriptor_pool = try au.D.createDescriptorPool(&vk.DescriptorPoolCreateInfo{
.flags = .{ .free_descriptor_set_bit = true },
@@ -43,7 +45,7 @@ pub fn init() !void {
}, null);
errdefer au.D.destroyDescriptorPool(descriptor_pool, null);
if (im.c.ImGui_ImplVulkan_Init(@constCast(&im.c.ImGui_ImplVulkan_InitInfo{
if (im.impl.ImGui_ImplVulkan_Init(@constCast(&im.impl.ImGui_ImplVulkan_InitInfo{
.Instance = @ptrFromInt(@intFromEnum(au.I.handle)),
.PhysicalDevice = @ptrFromInt(@intFromEnum(au.device_config.pdev)),
.Device = @ptrFromInt(@intFromEnum(au.D.handle)),
@@ -68,9 +70,9 @@ pub fn init() !void {
})) != true) {
return error.igVulkanInitFailed;
}
errdefer im.c.ImGui_ImplVulkan_Shutdown();
errdefer im.impl.ImGui_ImplVulkan_Shutdown();
if (!im.c.ImGui_ImplVulkan_CreateFontsTexture()) {
if (!im.impl.ImGui_ImplVulkan_CreateFontsTexture()) {
return error.igVulkanFontTextureFailed;
}
@@ -79,27 +81,27 @@ pub fn init() !void {
}
pub fn frame() void {
im.c.ImGui_ImplGlfw_NewFrame();
im.c.ImGui_ImplVulkan_NewFrame();
im.c.igNewFrame();
im.impl.ImGui_ImplGlfw_NewFrame();
im.impl.ImGui_ImplVulkan_NewFrame();
im.igNewFrame();
im.c.igShowDemoWindow(null);
im.igShowDemoWindow(null);
im.c.igEndFrame();
im.c.igRender();
im.igEndFrame();
im.igRender();
}
pub fn deinit() void {
Render.remove_present_callback(present);
im.c.ImGui_ImplVulkan_Shutdown();
im.impl.ImGui_ImplVulkan_Shutdown();
au.D.destroyDescriptorPool(descriptor_pool, null);
im.c.ImGui_ImplGlfw_Shutdown();
im.c.igDestroyContext(ctx);
im.impl.ImGui_ImplGlfw_Shutdown();
im.igDestroyContext(ctx);
}
pub fn present(cmd: au.CommandBufferProxy) void {
im.c.ImGui_ImplVulkan_RenderDrawData(
im.c.igGetDrawData(),
im.impl.ImGui_ImplVulkan_RenderDrawData(
@ptrCast(im.igGetDrawData()),
@ptrFromInt(@intFromEnum(cmd.handle)),
null,
);