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vulkan-tutorial 01

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This commit is contained in:
David Allemang
2024-03-20 18:49:46 -04:00
parent 90f3ecda90
commit 872323bf2a
2 changed files with 125 additions and 59 deletions
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124
src/main.zig
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@@ -1,75 +1,81 @@
const std = @import("std");
const c = @import("c.zig");
const vk = @import("vk");
const BaseDispatch = vk.BaseWrapper(.{
.createInstance = true,
.getInstanceProcAddr = true,
});
const Window = @import("Window.zig");
const InstanceDispatch = vk.InstanceWrapper(.{
.destroyInstance = true,
});
const Context = struct {
vkb: BaseDispatch,
vki: InstanceDispatch,
instance: vk.Instance,
pub fn init(allocator: std.mem.Allocator, app_name: [*:0]const u8, window: *c.GLFWwindow) !Context {
_ = allocator;
_ = window;
var self: Context = undefined;
self.vkb = try BaseDispatch.load(c.glfwGetInstanceProcAddress);
var glfw_exts_count: u32 = 0;
const glfw_exts = c.glfwGetRequiredInstanceExtensions(&glfw_exts_count);
const app_info = vk.ApplicationInfo{
.p_application_name = app_name,
.application_version = vk.makeApiVersion(0, 0, 0, 0),
.p_engine_name = app_name,
.engine_version = vk.makeApiVersion(0, 0, 0, 0),
.api_version = vk.API_VERSION_1_2,
};
self.instance = try self.vkb.createInstance(&.{
.p_application_info = &app_info,
.enabled_extension_count = glfw_exts_count,
.pp_enabled_extension_names = @as([*]const [*:0]const u8, @ptrCast(glfw_exts)),
}, null);
self.vki = try InstanceDispatch.load(self.instance, self.vkb.dispatch.vkGetInstanceProcAddr);
errdefer self.vki.destroyInstance(self.instance, null);
return self;
}
pub fn deinit(self: Context) void {
self.vki.destroyInstance(self.instance, null);
}
};
// const BaseDispatch = vk.BaseWrapper(.{
// .createInstance = true,
// .getInstanceProcAddr = true,
// });
//
// const InstanceDispatch = vk.InstanceWrapper(.{
// .destroyInstance = true,
// });
//
// const Context = struct {
// vkb: BaseDispatch,
// vki: InstanceDispatch,
//
// instance: vk.Instance,
//
// pub fn init(allocator: std.mem.Allocator, app_name: [*:0]const u8, window: *c.GLFWwindow) !Context {
// _ = allocator;
// _ = window;
//
// var self: Context = undefined;
// self.vkb = try BaseDispatch.load(c.glfwGetInstanceProcAddress);
//
// var glfw_exts_count: u32 = 0;
// const glfw_exts = c.glfwGetRequiredInstanceExtensions(&glfw_exts_count);
//
// const app_info = vk.ApplicationInfo{
// .p_application_name = app_name,
// .application_version = vk.makeApiVersion(0, 0, 0, 0),
// .p_engine_name = app_name,
// .engine_version = vk.makeApiVersion(0, 0, 0, 0),
// .api_version = vk.API_VERSION_1_2,
// };
//
// self.instance = try self.vkb.createInstance(&.{
// .p_application_info = &app_info,
// .enabled_extension_count = glfw_exts_count,
// .pp_enabled_extension_names = @as([*]const [*:0]const u8, @ptrCast(glfw_exts)),
// }, null);
//
// self.vki = try InstanceDispatch.load(self.instance, self.vkb.dispatch.vkGetInstanceProcAddr);
// errdefer self.vki.destroyInstance(self.instance, null);
//
// return self;
// }
//
// pub fn deinit(self: Context) void {
// self.vki.destroyInstance(self.instance, null);
// }
// };
pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();
// var gpa = std.heap.GeneralPurposeAllocator(.{}){};
// const allocator = gpa.allocator();
if (c.glfwInit() != c.GLFW_TRUE) {
return error.GlfwInitFailed;
}
defer c.glfwTerminate();
const window: *c.GLFWwindow = c.glfwCreateWindow(1280, 720, "Hello World!", null, null) orelse return error.GlfwWindowFailed;
defer c.glfwDestroyWindow(window);
const window = try Window.init();
defer window.deinit();
const ctx = try Context.init(allocator, "content", window);
defer ctx.deinit();
window.mainLoop();
while (c.glfwWindowShouldClose(window) == 0) : (c.glfwPollEvents()) {
c.glfwSwapBuffers(window);
}
// c.glfwWindowHint(c.GLFW_CLIENT_API, c.GLFW_NO_API);
// const window: *c.GLFWwindow = c.glfwCreateWindow(1280, 720, "Hello World!", null, null) orelse return error.GlfwWindowFailed;
// defer c.glfwDestroyWindow(window);
// const ctx = try Context.init(allocator, "content", window);
// defer ctx.deinit();
// while (c.glfwWindowShouldClose(window) == 0) : (c.glfwPollEvents()) {
// c.glfwSwapBuffers(window);
// }
}