set default values in SetDisplayMode

2024-05-27 23:33:47 +02:00 · 2024-05-27 23:33:47 +02:00 · 07a9ba78db
commit 07a9ba78db
parent c13483248f
1 changed files with 24 additions and 0 deletions
--- a/src/dd.c
+++ b/src/dd.c
@ -578,6 +578,30 @@ HRESULT dd_RestoreDisplayMode()

 HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFlags)
 {
+    if (!dwWidth)
+    {
+        dwWidth = g_ddraw.width;
+
+        if (!dwWidth)
+            dwWidth = 800;
+    }
+
+    if (!dwHeight)
+    {
+        dwHeight = g_ddraw.height;
+
+        if (!dwHeight)
+            dwHeight = 600;
+    }
+
+    if (!dwBPP)
+    {
+        dwBPP = g_ddraw.bpp;
+
+        if (!dwBPP)
+            dwBPP = 16;
+    }
+
    if (dwBPP != 8 && dwBPP != 16 && dwBPP != 32)
        return DDERR_INVALIDMODE;