diff --git a/common/include/common/framebuffer.h b/common/include/common/framebuffer.h
index 857fb058..efcdcb6d 100644
--- a/common/include/common/framebuffer.h
+++ b/common/include/common/framebuffer.h
@@ -61,4 +61,16 @@ void framebuffer_prepare(FrameBuffer * frame);
  */
 bool framebuffer_write(FrameBuffer * frame, const void * src, size_t size);
 
+/**
+ * Gets the underlying data buffer of the framebuffer.
+ * For custom write routines only.
+ */
+uint8_t * framebuffer_get_data(FrameBuffer * frame);
+
+/**
+ * Sets the write pointer of the framebuffer.
+ * For custom write routines only.
+ */
+void framebuffer_set_write_ptr(FrameBuffer * frame, size_t size);
+
 #endif
diff --git a/common/src/framebuffer.c b/common/src/framebuffer.c
index b14b2cd7..351b721e 100644
--- a/common/src/framebuffer.c
+++ b/common/src/framebuffer.c
@@ -213,3 +213,13 @@ bool framebuffer_write(FrameBuffer * frame, const void * restrict src, size_t si
 
   return true;
 }
+
+uint8_t * framebuffer_get_data(FrameBuffer * frame)
+{
+  return frame->data;
+}
+
+void framebuffer_set_write_ptr(FrameBuffer * frame, size_t size)
+{
+  atomic_store_explicit(&frame->wp, size, memory_order_release);
+}