From 256ee94297b0e807771cfc445646f78853fc1cfd Mon Sep 17 00:00:00 2001
From: DaMarkov <35939509+DaMarkov@users.noreply.github.com>
Date: Sat, 26 Mar 2022 16:23:33 +0100
Subject: [PATCH] Added Function to set Overscan (#13)

* Added `gfx_set_overscan` to set overscan in GLideN64.

* Set overscan as default.

Co-authored-by: DaMarkov <DaMarkovZED@gmail.com>
---
 src/Config.cpp        | 13 +++++++++++++
 src/native/Native.cpp | 12 ++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/Config.cpp b/src/Config.cpp
index 06d5f0eb..68dd540c 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -87,7 +87,20 @@ void Config::resetToDefaults()
 #else
 	frameBufferEmulation.fbInfoDisabled = 1;
 #endif
+
+#ifdef NATIVE
+	frameBufferEmulation.enableOverscan = 1;
+	config.frameBufferEmulation.overscanPAL.left    = 4;
+	config.frameBufferEmulation.overscanPAL.right   = 4;
+	config.frameBufferEmulation.overscanPAL.top     = 0;
+	config.frameBufferEmulation.overscanPAL.bottom  = 3;
+	config.frameBufferEmulation.overscanNTSC.left   = 4;
+	config.frameBufferEmulation.overscanNTSC.right  = 4;
+	config.frameBufferEmulation.overscanNTSC.top    = 0;
+	config.frameBufferEmulation.overscanNTSC.bottom = 3;
+#else
 	frameBufferEmulation.enableOverscan = 0;
+#endif
 
 	textureFilter.txFilterMode = 0;
 	textureFilter.txEnhancementMode = 0;
diff --git a/src/native/Native.cpp b/src/native/Native.cpp
index 5409a589..7078b2c9 100644
--- a/src/native/Native.cpp
+++ b/src/native/Native.cpp
@@ -175,8 +175,16 @@ extern "C" {
         g_width = newWidth;
     }
 
-    bool gfx_force_43_enabled() {
-        return config.frameBufferEmulation.aspect == 1;
+    void gfx_set_overscan(int left, int top, int right, int bottom) {
+        config.frameBufferEmulation.enableOverscan      = 1;
+        config.frameBufferEmulation.overscanPAL.left    = left;
+        config.frameBufferEmulation.overscanPAL.right   = right;
+        config.frameBufferEmulation.overscanPAL.top     = top;
+        config.frameBufferEmulation.overscanPAL.bottom  = bottom;
+        config.frameBufferEmulation.overscanNTSC.left   = left;
+        config.frameBufferEmulation.overscanNTSC.right  = right;
+        config.frameBufferEmulation.overscanNTSC.top    = top;
+        config.frameBufferEmulation.overscanNTSC.bottom = bottom;
     }
 
     void gfx_shutdown() {