profile font rendering with tracy

build.zig

@@ -82,7 +82,7 @@ pub fn build(b: *std.Build) void {
     });
 
     const ztracy = b.dependency("ztracy", .{
-        .enable_ztracy = false,
+        .enable_ztracy = true,
         .enable_fibers = false,
         .on_demand = false,
     });

src/client/font.zig

@@ -43,7 +43,7 @@ pub const Font = struct {
     texture : rl.Texture2D,
     kb_file_data : []u8,
 
-    pub fn init(filename : []const u8, size : i32, allocator: std.mem.Allocator) !Font {
+    pub fn init(filename : [:0]const u8, size : i32, allocator: std.mem.Allocator) !Font {
 
         const file_data = try std.fs.cwd().readFileAlloc(
             allocator,
@@ -189,7 +189,7 @@ pub const Font = struct {
     pub fn deinit(self: *Font, allocator : std.mem.Allocator) void {
         self.glyphs.deinit();
         self.face.deinit();
-        kb.kbts_FreeFont(&self.kb);
+        kb.kbts_FreeFont(&self.kbts_font);
         self.texture.unload();
         allocator.free(self.kb_file_data);
     }
@@ -237,7 +237,7 @@ pub const Font = struct {
 
         const Context = kb.kbts_CreateShapeContext(null, null);
         defer kb.kbts_DestroyShapeContext(Context);
-        const kb_font = kb.kbts_ShapePushFont(Context, &self.kb);
+        const kb_font = kb.kbts_ShapePushFont(Context, &self.kbts_font);
         if (kb_font == null) {
             std.log.info("Could not open font!", .{});
             return;
@@ -253,7 +253,7 @@ pub const Font = struct {
         var cursor_y : f32 = 0;
 
         var Run = kb.kbts_run{};
-        while (kb.kbts_ShapeRun(Context, &Run) != 0) {
+        while (my_kbts_ShapeRun(Context, &Run) != 0) {
             const zone3 = ztracy.ZoneNC(@src(), "shape run", 0x00_ff_00_00);
             defer zone3.End();
             if ((Run.Flags & kb.KBTS_BREAK_FLAG_LINE_HARD) != 0) {
@@ -374,3 +374,9 @@ pub const Font = struct {
         return .{ size, max_descent,  0};
     }
 };
+
+fn my_kbts_ShapeRun(Context: ?*kb.kbts_shape_context, Run: [*c]kb.kbts_run) c_int {
+    const zone = ztracy.ZoneNC(@src(), "my_kbts_ShapeRun", 0x00_ff_00_00);
+    defer zone.End();
+    return kb.kbts_ShapeRun(Context, Run);
+}

src/client/main.zig

@@ -247,15 +247,15 @@ pub fn main() !void {
             true
         );
 
-        arabic[0].render_text(
+        // arabic[0].render_text(
-            "الليل طويل وبارد في الخارج",
+        //     "الليل طويل وبارد في الخارج",
-            rl.Vector2{ .x = 0, .y = 100},
+        //     rl.Vector2{ .x = 0, .y = 100},
-            true,
+        //     true,
-            .white,
+        //     .white,
-            .blank,
+        //     .blank,
-            false,
+        //     false,
-            true
+        //     true
-        );
+        // );
 
         // var y : f32 = 0;
         // var it = std.mem.splitScalar(u8, lorem, '\n');
@@ -483,7 +483,9 @@ pub fn main() !void {
 
         rl.endDrawing();
 
+        const swap_zone = ztracy.ZoneNC(@src(), "swapScreenBuffer", 0x00_ff_00_00);
         rl.swapScreenBuffer();
+        swap_zone.End();
 
         frame += 1;