From 46953b279151adff7778c530926a62996ab247ed Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Sat, 29 Sep 2018 12:07:43 -0700
Subject: [PATCH] Wii: Expose stretch configuration in settings

---
 CHANGES                 |  1 +
 src/platform/wii/main.c | 53 +++++++++++++++++++++++++++++++++++++++--
 2 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index bca96600f..2a81dbbac 100644
--- a/CHANGES
+++ b/CHANGES
@@ -113,6 +113,7 @@ Misc:
  - mGUI: Add SGB border configuration option
  - mGUI: Add support for different settings types
  - Wii: Disable use of strtof_l (fixes mgba.io/i/1106)
+ - Wii: Expose stretch configuration in settings
 
 0.7 beta 1: (2018-09-24)
 - Initial beta for 0.7
diff --git a/src/platform/wii/main.c b/src/platform/wii/main.c
index f1df0c86c..ff6e39045 100644
--- a/src/platform/wii/main.c
+++ b/src/platform/wii/main.c
@@ -469,9 +469,49 @@ int main(int argc, char* argv[]) {
 					"Bilinear (pixelated)",
 				},
 				.nStates = 3
-			}
+			},
+			{
+				.title = "Horizontal stretch",
+				.data = "stretchWidth",
+				.submenu = 0,
+				.state = 7,
+				.validStates = (const char*[]) {
+					"1/2x", "0.6x", "1/3x", "0.7x", "1/4x", "0.8x", "0.9x", "1.0x"
+				},
+				.stateMappings = (const struct GUIVariant[]) {
+					GUI_V_F(0.5f),
+					GUI_V_F(0.6f),
+					GUI_V_F(1.f / 3.f),
+					GUI_V_F(0.7f),
+					GUI_V_F(0.75f),
+					GUI_V_F(0.8f),
+					GUI_V_F(0.9f),
+					GUI_V_F(1.0f),
+				},
+				.nStates = 8
+			},
+			{
+				.title = "Vertical stretch",
+				.data = "stretchHeight",
+				.submenu = 0,
+				.state = 6,
+				.validStates = (const char*[]) {
+					"1/2x", "0.6x", "1/3x", "0.7x", "1/4x", "0.8x", "0.9x", "1.0x"
+				},
+				.stateMappings = (const struct GUIVariant[]) {
+					GUI_V_F(0.5f),
+					GUI_V_F(0.6f),
+					GUI_V_F(1.f / 3.f),
+					GUI_V_F(0.7f),
+					GUI_V_F(0.75f),
+					GUI_V_F(0.8f),
+					GUI_V_F(0.9f),
+					GUI_V_F(1.0f),
+				},
+				.nStates = 8
+			},
 		},
-		.nConfigExtra = 3,
+		.nConfigExtra = 5,
 		.setup = _setup,
 		.teardown = 0,
 		.gameLoaded = _gameLoaded,
@@ -517,6 +557,15 @@ int main(int argc, char* argv[]) {
 	_mapKey(&runner.params.keyMap, CLASSIC_INPUT, WPAD_CLASSIC_BUTTON_LEFT, GUI_INPUT_LEFT);
 	_mapKey(&runner.params.keyMap, CLASSIC_INPUT, WPAD_CLASSIC_BUTTON_RIGHT, GUI_INPUT_RIGHT);
 
+
+	float stretch = 0;
+	if (mCoreConfigGetFloatValue(&runner.config, "stretchWidth", &stretch)) {
+		wStretch = fminf(1.0f, fmaxf(0.5f, stretch));
+	}
+	if (mCoreConfigGetFloatValue(&runner.config, "stretchHeight", &stretch)) {
+		hStretch = fminf(1.0f, fmaxf(0.5f, stretch));
+	}
+
 	if (argc > 1) {
 		size_t i;
 		for (i = 0; runner.keySources[i].id; ++i) {