From aec9b9e22a9bff54ae3c39bb796bae0f4b4c2d95 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Sat, 16 Jun 2012 04:17:14 +0200
Subject: ALL: Let overlay related methods in OSystem take a void * and use a
 proper pitch values.

This is a first step to get rid of OverlayColor, which is a requirement for
proper 4Bpp overlay support.
---
 backends/platform/dc/display.cpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'backends/platform/dc/display.cpp')

diff --git a/backends/platform/dc/display.cpp b/backends/platform/dc/display.cpp
index 35e7b70a82..cc5798fc10 100644
--- a/backends/platform/dc/display.cpp
+++ b/backends/platform/dc/display.cpp
@@ -653,27 +653,29 @@ void OSystem_Dreamcast::clearOverlay()
   _overlay_dirty = true;
 }
 
-void OSystem_Dreamcast::grabOverlay(OverlayColor *buf, int pitch)
+void OSystem_Dreamcast::grabOverlay(void *buf, int pitch)
 {
   int h = OVL_H;
   unsigned short *src = overlay;
+  unsigned char *dst = (unsigned char *)buf;
   do {
-    memcpy(buf, src, OVL_W*sizeof(int16));
+    memcpy(dst, src, OVL_W*sizeof(int16));
     src += OVL_W;
-    buf += pitch;
+    dst += pitch;
   } while (--h);
 }
 
-void OSystem_Dreamcast::copyRectToOverlay(const OverlayColor *buf, int pitch,
+void OSystem_Dreamcast::copyRectToOverlay(const void *buf, int pitch,
 					  int x, int y, int w, int h)
 {
   if (w<1 || h<1)
     return;
   unsigned short *dst = overlay + y*OVL_W + x;
+  const unsigned char *src = (const unsigned char *)buf;
   do {
-    memcpy(dst, buf, w*sizeof(int16));
+    memcpy(dst, src, w*sizeof(int16));
     dst += OVL_W;
-    buf += pitch;
+    src += pitch;
   } while (--h);
   _overlay_dirty = true;
 }
-- 
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