M CHANGES → CHANGES

@@ -12,6 +12,7 @@ - GBA Timers: Fix deserializing count-up timers
  - GBA Video: Fix mosaic objects drawing past the end (fixes mgba.io/i/1702)
  - GBA Video: Fix disabling OBJWIN in GL renderer (fixes mgba.io/i/1759)
  - GBA Video: Add missing parts of 256-color mode 0 mosaic (fixes mgba.io/1701)
+ - GBA Video: Fix double-size OBJ wrapping in GL renderer (fixes mgba.io/1712)
 Other fixes:
  - ARM Debugger: Clear low bit on breakpoint addresses (fixes mgba.io/i/1764)
  - CMake: Always use devkitPro toolchain when applicable (fixes mgba.io/i/1755)

M src/gba/renderers/gl.c → src/gba/renderers/gl.c

@@ -1651,15 +1651,15 @@ int align = GBAObjAttributesAIs256Color(sprite->a) && !GBARegisterDISPCNTIsObjCharacterMapping(renderer->dispcnt);
 	unsigned charBase = (BASE_TILE >> 1) + (GBAObjAttributesCGetTile(sprite->c) & ~align) * 0x10;
 	int stride = GBARegisterDISPCNTIsObjCharacterMapping(renderer->dispcnt) ? (width >> 3) : (0x20 >> GBAObjAttributesAGet256Color(sprite->a));
 
-	if (spriteY + height >= 256) {
-		spriteY -= 256;
-	}
-
 	int totalWidth = width;
 	int totalHeight = height;
 	if (GBAObjAttributesAIsTransformed(sprite->a) && GBAObjAttributesAIsDoubleSize(sprite->a)) {
 		totalWidth <<= 1;
 		totalHeight <<= 1;
+	}
+
+	if (spriteY + totalHeight >= 256) {
+		spriteY -= 256;
 	}
 
 	const struct GBAVideoGLShader* shader = &renderer->objShader[GBAObjAttributesAGet256Color(sprite->a)];