From be691582ee12613278af24cb5a824eeb357f6324 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Mon, 29 Jul 2024 11:27:22 -0400
Subject: some work on compositor

---
 applications/goldman/source/renderer.hpp | 61 ++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 applications/goldman/source/renderer.hpp

(limited to 'applications/goldman/source/renderer.hpp')

diff --git a/applications/goldman/source/renderer.hpp b/applications/goldman/source/renderer.hpp
new file mode 100644
index 0000000..14a5964
--- /dev/null
+++ b/applications/goldman/source/renderer.hpp
@@ -0,0 +1,61 @@
+#pragma once
+
+#include <daguerre/image.hpp>
+#include "window.hpp"
+#include <mutex>
+#include <list>
+
+class renderer {
+
+  daguerre::image<daguerre::hilbert_color> framebuffer;
+  daguerre::image<daguerre::hilbert_color> double_buffer;
+
+  daguerre::image<daguerre::hilbert_color> background;
+  daguerre::image<daguerre::hilbert_color> cursor;
+  daguerre::hilbert_color cursor_background;
+
+  int cursor_x;
+  int cursor_y;
+
+  //bottom to top
+  std::list<const window *> windows;
+
+  std::mutex mut;
+
+  euler::syscall::stream_handle
+    dispatcher_handle_1, dispatcher_handle_2;
+
+  void do_render();
+
+public:
+  renderer(
+    daguerre::image<daguerre::hilbert_color> &&framebuffer,
+    daguerre::image<daguerre::hilbert_color> &&background,
+    daguerre::hilbert_color background_color,
+    daguerre::image<daguerre::hilbert_color> &&cursor,
+    daguerre::hilbert_color cursor_background);
+
+  inline ~renderer() {
+    euler::syscall::close_stream(dispatcher_handle_1);
+    euler::syscall::close_stream(dispatcher_handle_2);
+  }
+
+  renderer(const renderer &) = delete;
+  renderer &operator =(const renderer &) = delete;
+
+  [[noreturn]] void render_thread_main();
+
+  inline void lock()   { mut.lock();   }
+  inline void unlock() { mut.unlock(); }
+
+  inline void dispatch_render() {
+    uint8_t byte = 0;
+    euler::syscall::write_to_stream(dispatcher_handle_1, 1, &byte);
+  }
+
+  void bump_cursor(int x_offset, int y_offset);
+
+  void add_window(const window *w);
+  void remove_window(const window *w);
+
+};
-- 
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