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glfw: add init function

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-07-16 15:07:06 -07:00
parent 1b1e184129
commit f533747fa8
1 changed files with 30 additions and 3 deletions
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33
glfw/src/main.zig
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@ -4,7 +4,8 @@ const testing = std.testing;
const c = @cImport(@cInclude("GLFW/glfw3.h"));
pub usingnamespace @import("consts.zig");
pub usingnamespace @import("errors.zig");
pub const Error = @import("errors.zig").Error;
const getError = @import("errors.zig").getError;
pub const action = @import("action.zig");
pub const gamepad_axis = @import("gamepad_axis.zig");
@ -16,10 +17,36 @@ pub const mod = @import("mod.zig");
pub const mouse_button = @import("mouse_button.zig");
pub const version = @import("version.zig");
pub fn basicTest() void {
/// Initializes the GLFW library.
///
/// This function initializes the GLFW library. Before most GLFW functions can be used, GLFW must
/// be initialized, and before an application terminates GLFW should be terminated in order to free
/// any resources allocated during or after initialization.
///
/// If this function fails, it calls glfw.Terminate before returning. If it succeeds, you should
/// call glfw.Terminate before the application exits.
///
/// Additional calls to this function after successful initialization but before termination will
/// return immediately with no error.
///
/// macos: This function will change the current directory of the application to the
/// `Contents/Resources` subdirectory of the application's bundle, if present. This can be disabled
/// with the glfw.COCOA_CHDIR_RESOURCES init hint.
///
/// x11: This function will set the `LC_CTYPE` category of the application locale according to the
/// current environment if that category is still "C". This is because the "C" locale breaks
/// Unicode text input.
///
/// @thread_safety This function must only be called from the main thread.
pub fn init() Error!void {
if (c.glfwInit() != c.GLFW_TRUE) {
@panic("failed to init");
return try getError();
}
return;
}
pub fn basicTest() void {
init() catch @panic("failed to init!");
c.glfwWindowHint(c.GLFW_VISIBLE, c.GLFW_FALSE);
const window = c.glfwCreateWindow(640, 480, "GLFW example", null, null);
if (window == null) {