From 70c235938f0b64c4f08a478d3107e5254ad904c6 Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Wed, 27 Nov 2024 13:28:42 +0200
Subject: [PATCH] Remove unnecessary copy from framebuffer

---
 doomgeneric/doomgeneric.c            | 2 --
 doomgeneric/doomgeneric_banan_os.cpp | 6 +++---
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/doomgeneric/doomgeneric.c b/doomgeneric/doomgeneric.c
index 782a7e7..f4eb63e 100644
--- a/doomgeneric/doomgeneric.c
+++ b/doomgeneric/doomgeneric.c
@@ -18,8 +18,6 @@ void doomgeneric_Create(int argc, char **argv)
 
 	M_FindResponseFile();
 
-	DG_ScreenBuffer = malloc(DOOMGENERIC_RESX * DOOMGENERIC_RESY * 4);
-
 	DG_Init();
 
 	D_DoomMain ();
diff --git a/doomgeneric/doomgeneric_banan_os.cpp b/doomgeneric/doomgeneric_banan_os.cpp
index d00c30d..9d13b43 100644
--- a/doomgeneric/doomgeneric_banan_os.cpp
+++ b/doomgeneric/doomgeneric_banan_os.cpp
@@ -80,13 +80,13 @@ void DG_Init()
 			s_key_write_index = (s_key_write_index + 1) % s_key_queue_size;
 		}
 	);
+
+	ASSERT(DG_ScreenBuffer == nullptr);
+	DG_ScreenBuffer = s_window->pixels().data();
 }
 
 void DG_DrawFrame()
 {
-	for (size_t y = 0; y < DOOMGENERIC_RESY; y++)
-		for (size_t x = 0; x < DOOMGENERIC_RESX; x++)
-			s_window->set_pixel(x, y, 0xFF000000 | DG_ScreenBuffer[y * DOOMGENERIC_RESX + x]);
 	s_window->invalidate();
 	s_window->poll_events();
 }
-- 
2.47.1

