less dumb

src/App.zig

@@ -67,7 +67,7 @@ pub fn run(self: App) !void {
         gl.clearColor(0.2, 0.3, 0.3, 1.0);
         gl.clear(gl.c.GL_COLOR_BUFFER_BIT);
 
-        try self.text.render("hello", 25.0, 25.0, 1.0, .{ 0.5, 0.8, 0.2 });
+        try self.text.render("sh $ /bin/bash -c \"echo hello\"", 25.0, 25.0, 1.0, .{ 0.5, 0.8, 0.2 });
 
         try self.window.swapBuffers();
         try glfw.waitEvents();

src/TextRenderer.zig

@@ -53,17 +53,6 @@ pub fn init(alloc: std.mem.Allocator) !TextRenderer {
             return error.GlyphLoadFailed;
         }
 
-        if (face.*.glyph.*.bitmap.buffer == null) {
-            // Unrenderable characters
-            chars.appendAssumeCapacity(.{
-                .tex = undefined,
-                .size = undefined,
-                .bearing = undefined,
-                .advance = undefined,
-            });
-            continue;
-        }
-
         // Generate the texture
         const tex = try gl.Texture.create();
         var binding = try tex.bind(gl.c.GL_TEXTURE_2D);
@@ -177,7 +166,7 @@ pub fn render(
         const char = self.chars.items[c];
 
         const xpos = curx + (char.bearing[0] * scale);
-        const ypos = y + (char.bearing[1] * scale);
+        const ypos = y - ((char.size[1] - char.bearing[1]) * scale);
         const w = char.size[0] * scale;
         const h = char.size[1] * scale;
 

src/opengl/Texture.zig

@@ -38,7 +38,7 @@ pub const Binding = struct {
         border: c.GLint,
         format: c.GLenum,
         typ: c.GLenum,
-        data: *const anyopaque,
+        data: ?*const anyopaque,
     ) !void {
         c.glTexImage2D(
             b.target,