1 files changed, 31 insertions, 25 deletions

diff --git a/src/main.zig b/src/main.zig
index 9b09945..0bf4cfc 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -120,14 +120,6 @@ pub fn main() !void {
 
     var loops: u8 = 0;
 
-    const stdout = std.fs.File.stdout();
-    var tex_buffer: ?[]u8 = null;
-
-    if (!stdout.isTty()) {
-        tex_buffer = try allocator.alloc(u8, @intCast(config.width * config.height * 4));
-    }
-    defer if (tex_buffer) |buf| allocator.free(buf);
-
     while (c.glfwWindowShouldClose(window) == c.GL_FALSE) {
         c.glfwMakeContextCurrent(window);
 
@@ -145,24 +137,20 @@ pub fn main() !void {
         //     control.reload_requested = false;
         // }
 
-        if (control.dirty) {
+        const is_fresh = if (control.dirty) blk: {
             c.glFinish();
             var timer = try std.time.Timer.start();
 
-            fbo.bind();
-            c.glClear(c.GL_COLOR_BUFFER_BIT);
+            {
+                fbo.bind();
+                defer fbo.unbind();
 
-            main_program.bind();
-            constants.normalized_quad.draw();
+                c.glClear(c.GL_COLOR_BUFFER_BIT);
 
-            if (tex_buffer) |buf| {
-                fbo.read(config.width, config.height, buf);
-                std.debug.print("writing {} bytes\n", .{buf.len});
-                _ = try stdout.write(buf);
+                main_program.bind();
+                constants.normalized_quad.draw();
             }
 
-            fbo.unbind();
-
             c.glFinish();
             const fps = timer.read(); // ns
             loops = (loops + 1) % 64;
@@ -171,18 +159,36 @@ pub fn main() !void {
             }
 
             control.dirty = false;
-        }
+            break :blk true;
+        } else false;
+
+        var keep_running = false;
+        var i: usize = outputs.items.len;
+        while (i > 0) {
+            i -= 1;
+            const output = outputs.items[i];
+
+            var close_output = false;
+            if (output.update(fbo, is_fresh)) |res| {
+                if (res) |close| {
+                    if (close) {
+                        close_output = true;
+                    } else {
+                        keep_running = true;
+                    }
+                }
+            } else |err| {
+                std.debug.print("Output {} closing due to error: {}\n", .{ output, err });
+                close_output = true;
+            }
 
-        for (outputs.items, 0..) |output, i| {
-            const close = output.update(fbo.texture_id);
-            if (close) {
+            if (close_output) {
                 const removed = outputs.swapRemove(i);
                 removed.destroy(cfg_allocator);
-                break;
             }
         }
 
-        if (outputs.items.len == 0)
+        if (!keep_running)
             break;
 
         c.glfwMakeContextCurrent(window);