Fix texture coordinate offsets in default shader so things look right with really high resolutions and weird multiples of native

1 files changed, 4 insertions, 3 deletions

diff --git a/shaders/default.f.glsl b/shaders/default.f.glsl
index 18c911d..3427e09 100644
--- a/shaders/default.f.glsl
+++ b/shaders/default.f.glsl
@@ -6,10 +6,11 @@ varying vec2 texcoord;
 
 void main()
 {
-	vec2 modifiedCoord = vec2(texcoord.x, (floor(texcoord.y * 512.0) + 0.5)/512.0);
+	vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0);
+	vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0);
 	gl_FragColor = mix(
-		texture2D(textures[1], modifiedCoord),
-		texture2D(textures[0], modifiedCoord),
+		texture2D(textures[1], modifiedCoord1),
+		texture2D(textures[0], modifiedCoord0),
 		(sin(texcoord.y * 1024.0 * 3.14159265359) + 1.0) * 0.5
 	);
 }