From 2086dc6128f5d3c8354ea623caebafd8d41b13ca Mon Sep 17 00:00:00 2001
From: lewa_j <lewa.j20@gmail.com>
Date: Sun, 17 May 2026 00:08:10 +0300
Subject: [PATCH] ref_dx2: hack half pixel offset

---
 ref/dx2/r_draw.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ref/dx2/r_draw.c b/ref/dx2/r_draw.c
index b405e56c..85177672 100644
--- a/ref/dx2/r_draw.c
+++ b/ref/dx2/r_draw.c
@@ -62,6 +62,10 @@ void R_DrawStretchPic( float x, float y, float w, float h, float s1, float t1, f
 		const int vertCount = 4;
 		D3DTLVERTEX* verts = (D3DTLVERTEX*)cur;
 
+		// fix for half coordinate pixel centers in d3d compared to gl
+		x -= 0.5;
+		y -= 0.5;
+
 #define VecToD3DCOLOR(v) D3DRGBA(v[0], v[1], v[2], v[3])
 
 		verts[0].color = VecToD3DCOLOR(dxc.currentColor);