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-rw-r--r--engines/testbed/graphics.cpp22
1 files changed, 17 insertions, 5 deletions
diff --git a/engines/testbed/graphics.cpp b/engines/testbed/graphics.cpp
index 590e6c6d81..26e073d407 100644
--- a/engines/testbed/graphics.cpp
+++ b/engines/testbed/graphics.cpp
@@ -927,17 +927,29 @@ TestExitStatus GFXtests::overlayGraphics() {
Graphics::PixelFormat pf = g_system->getOverlayFormat();
- OverlayColor buffer[50 * 100];
- OverlayColor value = pf.RGBToColor(0, 255, 0);
+ byte *buffer = new byte[50 * 100 * pf.bytesPerPixel];
+ const uint32 value = pf.RGBToColor(0, 255, 0);
- for (int i = 0; i < 50 * 100; i++) {
- buffer[i] = value;
+ if (pf.bytesPerPixel == 2) {
+ uint16 *dst = (uint16 *)buffer;
+ for (int i = 50 * 100; i > 0; --i) {
+ *dst++ = value;
+ }
+ } else if (pf.bytesPerPixel == 4) {
+ uint32 *dst = (uint32 *)buffer;
+ for (int i = 50 * 100; i > 0; --i) {
+ *dst++ = value;
+ }
+ } else {
+ error("GFXtests::overlayGraphics: Unsupported color depth: %d", pf.bytesPerPixel);
}
g_system->showOverlay();
- g_system->copyRectToOverlay(buffer, 200, 270, 175, 100, 50);
+ g_system->copyRectToOverlay(buffer, 100 * pf.bytesPerPixel, 270, 175, 100, 50);
g_system->updateScreen();
+ delete[] buffer;
+
g_system->delayMillis(1000);
g_system->hideOverlay();