configure outputs from CLI, move stdout into 'pipe' outputHEADmain

1 files changed, 18 insertions, 16 deletions

diff --git a/src/tsv.zig b/src/tsv.zig
index fb5db96..6381998 100644
--- a/src/tsv.zig
+++ b/src/tsv.zig
@@ -174,27 +174,29 @@ pub const TSVOutput = struct {
     output: Output,
     config: *const Config,
 
-    fn update(output: *Output, texture_id: c.GLuint) bool {
+    fn update(output: *Output, fbo: gl.FramebufferObject, fresh: bool) !?bool {
         const self: *TSVOutput = @fieldParentPtr("output", output);
 
-        var fbo: c.GLint = undefined;
-        c.glGetIntegerv(c.GL_DRAW_FRAMEBUFFER_BINDING, &fbo);
+        if (fresh) {
+            var prev_fbo: c.GLint = undefined;
+            c.glGetIntegerv(c.GL_DRAW_FRAMEBUFFER_BINDING, &prev_fbo);
 
-        switch (c.gl_client_send_image(
-            get_or_init_client(),
-            self.config.name,
-            texture_id,
-            c.GL_TEXTURE_2D,
-            false,
-            @intCast(fbo),
-            null,
-        )) {
-            1 => {},
-            0 => std.debug.print("tsv send: no remote image\n", .{}),
-            else => |e| std.debug.print("tsv send: error {}\n", .{e}),
+            switch (c.gl_client_send_image(
+                get_or_init_client(),
+                self.config.name,
+                fbo.texture_id,
+                c.GL_TEXTURE_2D,
+                false,
+                @intCast(prev_fbo),
+                null,
+            )) {
+                1 => {},
+                0 => std.debug.print("tsv send: no remote image\n", .{}),
+                else => |e| std.debug.print("tsv send: error {}\n", .{e}),
+            }
         }
 
-        return false;
+        return null;
     }
 
     fn destroy(output: *Output, allocator: std.mem.Allocator) void {