fix compiler warning

diff --git a/platform/sdli.cpp b/platform/sdli.cpp
index 7fdf2b8..db032fe 100644 (file)
--- a/platform/sdli.cpp
+++ b/platform/sdli.cpp
@@ -240,27 +240,28 @@ static void drawControls(T * buffer, const int pitch)
 {
        unsigned int i = 0;
        int x, y;
+       const T black = static_cast<T>(0xFFFFFFFFU);
        T* temp;
 
        for (i = 0; i < sizeof(touchbuttons)/sizeof(TouchButton); i++) {
                temp = buffer + touchbuttons[i].y * pitch + touchbuttons[i].x;
                for (x = touchbuttons[i].x; x < touchbuttons[i].x2; x++) {
-                       *temp = -1UL; // Black
+                       *temp = black; // Black
                        temp++;
                }
                temp = buffer + touchbuttons[i].y2 * pitch + touchbuttons[i].x;
                for (x = touchbuttons[i].x; x < touchbuttons[i].x2; x++) {
-                       *temp = -1UL; // Black
+                       *temp = black; // Black
                        temp++;
                }
                temp = buffer + touchbuttons[i].y * pitch + touchbuttons[i].x;
                for (y = touchbuttons[i].y; y < touchbuttons[i].y2; y++) {
-                       *temp = -1UL; // Black
+                       *temp = black; // Black
                        temp+=pitch;
                }
                temp = buffer + touchbuttons[i].y * pitch + touchbuttons[i].x2;
                for (y = touchbuttons[i].y; y < touchbuttons[i].y2; y++) {
-                       *temp = -1UL; // Black
+                       *temp = black; // Black
                        temp+=pitch;
                }
        }