zgpu

commit 7c537cbc796a39d42a2a9592fcae2875aafcee7c
parent c81a9ca715aac3ccdc03f5562aa2c91ae31219eb
Author: Christian Ermann <christianermann@gmail.com>
Date:   Sun, 20 Apr 2025 19:43:35 -0700

Add logging configuration

Diffstat:
A
src/logging.zig
 | 
35
+++++++++++++++++++++++++++++++++++
M
src/main.zig
 | 
22
++++++++++++++++++++++

2 files changed, 57 insertions(+), 0 deletions(-)
diff --git a/src/logging.zig b/src/logging.zig
@@ -0,0 +1,35 @@
+const std = @import("std");
+
+const c = @cImport({
+    @cInclude("wgpu.h");
+});
+
+pub const LogLevel = enum(u32) {
+    off = 0x00000000,
+    err = 0x00000001,
+    warn = 0x00000002,
+    info = 0x00000003,
+    debug = 0x00000004,
+    trace = 0x00000005,
+};
+
+pub const LogCallback = fn (LogLevel, []const u8) void;
+
+pub fn setLogLevel(level: LogLevel) void {
+    c.wgpuSetLogLevel(@intCast(@intFromEnum(level)));
+}
+
+pub fn setLogCallback(comptime callback: LogCallback) void {
+    const Callback = struct {
+        const user_callback = callback;
+        pub fn callback_c(
+            level: c_int,
+            message: ?[*:0]const u8,
+            userdata: ?*anyopaque,
+        ) callconv(.C) void {
+            _ = userdata;
+            user_callback(@enumFromInt(level), std.mem.span(message.?));
+        }
+    };
+    c.wgpuSetLogCallback(@ptrCast(&Callback.callback_c), null);
+}
diff --git a/src/main.zig b/src/main.zig
@@ -2,6 +2,25 @@ const std = @import("std");
 
 const glfw = @import("glfw.zig");
 const Instance = @import("instance.zig").Instance;
+const Logging = @import("logging.zig");
+
+pub fn zgpu_log_callback(level: Logging.LogLevel, message: []const u8) void {
+    switch (level) {
+        .err => {
+            std.log.err("[wgpu] {s}", .{message});
+        },
+        .warn => {
+            std.log.warn("[wgpu] {s}", .{message});
+        },
+        .info => {
+            std.log.debug("[wgpu] {s}", .{message});
+        },
+        .debug, .trace => {
+            std.log.debug("[wgpu] {s}", .{message});
+        },
+        .off => unreachable,
+    }
+}
 
 pub fn main() !void {
     try glfw.init();
@@ -13,6 +32,9 @@ pub fn main() !void {
     const display = try glfw.native.getX11Display();
     const window_id = try glfw.native.getX11Window(window);
 
+    Logging.setLogCallback(zgpu_log_callback);
+    Logging.setLogLevel(.warn);
+
     const instance = Instance.create(&.{
         .next = .{
             .extras = &.{