add workaround for CreateDIBSection offset bug

FunkyFr3sh · Jan 19, 2025 · 6ec7c0c · 6ec7c0c
1 parent 2c2fd7f
commit 6ec7c0c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/ddsurface.c b/src/ddsurface.c
@@ -1553,7 +1553,7 @@ HRESULT dd_CreateSurface(
             if (dst_surface->hdc)
                 InterlockedIncrement(&g_dds_gdi_handles);
 
-            DWORD map_offset = dst_surface->pitch * g_config.guard_lines;
+            DWORD map_offset = 65280; // CreateDIBSection cannot handle values higher than a WORD - 0xFF00 (guard lines);
 
             dst_surface->mapping =
                 CreateFileMappingA(