BACKENDS: Let copyRectToScreen take a "const void *" instead of "const byte *" as buffer.

This removes the need to convert the parameter to copyRectToScreen to
"const byte *", which is commonly used in games, which use Graphics::Surface
to store their graphics data.

2 files changed, 5 insertions, 4 deletions

diff --git a/backends/platform/dc/dc.h b/backends/platform/dc/dc.h
index ffe003ea1d..95cb88c44b 100644
--- a/backends/platform/dc/dc.h
+++ b/backends/platform/dc/dc.h
@@ -127,7 +127,7 @@ public:
 
   // Draw a bitmap to screen.
   // The screen will not be updated to reflect the new bitmap
-  void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
+  void copyRectToScreen(const void *buf, int pitch, int x, int y, int w, int h);
 
 	virtual Graphics::Surface *lockScreen();
 	virtual void unlockScreen();
diff --git a/backends/platform/dc/display.cpp b/backends/platform/dc/display.cpp
index e4e9a94ec8..264b86646c 100644
--- a/backends/platform/dc/display.cpp
+++ b/backends/platform/dc/display.cpp
@@ -260,7 +260,7 @@ void OSystem_Dreamcast::initSize(uint w, uint h, const Graphics::PixelFormat *fo
   _devpoll = Timer();
 }
 
-void OSystem_Dreamcast::copyRectToScreen(const byte *buf, int pitch, int x, int y,
+void OSystem_Dreamcast::copyRectToScreen(const void *buf, int pitch, int x, int y,
 					 int w, int h)
 {
   if (w<1 || h<1)
@@ -269,10 +269,11 @@ void OSystem_Dreamcast::copyRectToScreen(const byte *buf, int pitch, int x, int
     x<<=1; w<<=1;
   }
   unsigned char *dst = screen + y*SCREEN_W*2 + x;
+  const byte *src = (const byte *)buf;
   do {
-    memcpy(dst, buf, w);
+    memcpy(dst, src, w);
     dst += SCREEN_W*2;
-    buf += pitch;
+    src += pitch;
   } while (--h);
   _screen_dirty = true;
 }