Drive the panel through drm and page flip between four scanout buffers

2026-07-31 16:46:11 -07:00
parent 57d7c91df1
commit 1c5bda37bf
3 changed files with 389 additions and 106 deletions
@@ -58,7 +58,7 @@ type display struct {
 }

 func newDisplay() (*display, error) {
-	fb, err := openFramebuffer(fbPath)
+	fb, err := openFramebuffer()
 	if err != nil {
 		return nil, err
 	}
@@ -250,7 +250,7 @@ func rateColor(gb, target float64) rgb {
 	}
 }

-func (d *display) render(v view, elapsed time.Duration, target float64, cable string) {
+func (d *display) render(v view, elapsed time.Duration, target float64, cable string) error {
 	fb := d.fb
 	fb.fill(uiBg)

@@ -267,5 +267,5 @@ func (d *display) render(v view, elapsed time.Duration, target float64, cable st
 	d.errBlock(x, w, y+blockGap, v.since)

 	d.drawResetButton()
-	fb.flush()
+	return fb.flush()
 }