From 966fe28c59f59fc8be795c8215b9352435982445 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Thu, 30 Sep 2021 16:46:36 +0200
Subject: Merged nGenEx and Parser into Stars45

---
 Stars45/TexDX9.h | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 Stars45/TexDX9.h

(limited to 'Stars45/TexDX9.h')

diff --git a/Stars45/TexDX9.h b/Stars45/TexDX9.h
new file mode 100644
index 0000000..a2bd056
--- /dev/null
+++ b/Stars45/TexDX9.h
@@ -0,0 +1,103 @@
+/*  Starshatter OpenSource Distribution
+    Copyright (c) 1997-2004, Destroyer Studios LLC.
+    All Rights Reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name "Destroyer Studios" nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+    SUBSYSTEM:    nGenEx.lib
+    FILE:         TexDX9.h
+    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
+
-- 
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