Moved Stars45 to StarsEx

1 files changed, 78 insertions, 0 deletions

diff --git a/StarsEx/TexDX9.h b/StarsEx/TexDX9.h
new file mode 100644
index 0000000..247b1ad
--- /dev/null
+++ b/StarsEx/TexDX9.h
@@ -0,0 +1,78 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Direct 3D Texture Cache
+*/
+
+#ifndef TexDX9_h
+#define TexDX9_h
+
+#include "Bitmap.h"
+
+// +--------------------------------------------------------------------+
+
+class  Video;
+class  VideoDX9;
+class  Bitmap;
+struct VD3D_texture_format;
+
+// +--------------------------------------------------------------------+
+
+struct TexCacheDX9Entry
+{
+    TexCacheDX9Entry() : bitmap_id(0), texture(0), used_last(0),
+    last_modified(0), normal(false) { }
+
+    void Release();
+    void Unload();
+
+    HANDLE               bitmap_id;
+    IDirect3DTexture9*   texture;
+    DWORD                used_last;
+    DWORD                last_modified;
+    bool                 normal;
+};
+
+// +--------------------------------------------------------------------+
+
+class TexCacheDX9
+{
+public:
+    TexCacheDX9(VideoDX9* video);
+    virtual ~TexCacheDX9();
+
+    void                 FrameNumber(int n) { frame_number = n; }
+    IDirect3DTexture9*   FindTexture(Bitmap* bmp);
+    IDirect3DTexture9*   FindNormalMap(Bitmap* bmp, float amp=1);
+    bool                 LoadTexture(Bitmap* bmp, TexCacheDX9Entry* entry);
+    void                 InvalidateCache();
+
+    int                  count;
+
+private:
+    int                  FreeLRU(int tries=4);
+    int                  FreeUpCache();
+    void                 CreateNormalMap(int index, float amp=1);
+
+    VideoDX9*            video;
+    IDirect3D9*          d3d;
+    IDirect3DDevice9*    d3ddevice;
+
+    DWORD                vidmem;
+
+    int                  bad_frame;
+    DWORD                frame_number;
+
+    int                  mru;
+    TexCacheDX9Entry*    cache;
+};
+
+#endif // TexDX9_h
+