IPHONE: Use the proper RGBA5551 palette for the mouse cursor.

Formerly the overlay cursor was using a RGB565 palette, even though the
texture is really set up as RGBA5551.

2 files changed, 5 insertions, 1 deletions

diff --git a/backends/platform/iphone/osys_main.h b/backends/platform/iphone/osys_main.h
index b89eed9d43..c63ba41319 100644
--- a/backends/platform/iphone/osys_main.h
+++ b/backends/platform/iphone/osys_main.h
@@ -70,7 +70,10 @@ protected:
 
 	uint16 *_fullscreen;
 
+	// For use with the game texture
 	uint16  _gamePalette[256];
+	// For use with the mouse texture
+	uint16  _gamePaletteRGBA5551[256];
 	bool _overlayVisible;
 	uint16 _screenWidth;
 	uint16 _screenHeight;
diff --git a/backends/platform/iphone/osys_video.cpp b/backends/platform/iphone/osys_video.cpp
index c97b6757ea..3b14126234 100644
--- a/backends/platform/iphone/osys_video.cpp
+++ b/backends/platform/iphone/osys_video.cpp
@@ -99,6 +99,7 @@ void OSystem_IPHONE::setPalette(const byte *colors, uint start, uint num) {
 
 	for (uint i = start; i < start + num; ++i) {
 		_gamePalette[i] = Graphics::RGBToColor<Graphics::ColorMasks<565> >(b[0], b[1], b[2]);
+		_gamePaletteRGBA5551[i] = Graphics::RGBToColor<Graphics::ColorMasks<5551> >(b[0], b[1], b[2]);
 		b += 3;
 	}
 
@@ -473,7 +474,7 @@ void OSystem_IPHONE::setMouseCursor(const byte *buf, uint w, uint h, int hotspot
 		for (uint y = 0; y < h; ++y) {
 			byte color = buf[y * w + x];
 			if (color != keycolor)
-				mouseBuf[y * texWidth + x] = _gamePalette[color] | 0x1;
+				mouseBuf[y * texWidth + x] = _gamePaletteRGBA5551[color] | 0x1;
 			else
 				mouseBuf[y * texWidth + x] = 0x0;
 		}