Arachnoid GLESv1.1 plugin. Compile and run (a bit glitchy and no frameskip) on the...

[mupen64plus-pandora.git] / source / mupen64plus-video-arachnoid / src / texture / TextureCache.h

diff --git a/source/mupen64plus-video-arachnoid/src/texture/TextureCache.h b/source/mupen64plus-video-arachnoid/src/texture/TextureCache.h
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+++ b/source/mupen64plus-video-arachnoid/src/texture/TextureCache.h
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+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef TEXTURE_CACHE_H_
+#define TEXTURE_CACHE_H_
+
+#include "CachedTexture.h"
+#include "CRCCalculator2.h"
+#include "ImageFormatSelector.h"
+#include <list>
+
+//Forward declarations
+class Memory;
+class RSP;
+class RDP;
+
+//*****************************************************************************
+//* Texture Cache
+//! Class used to activate textures and store used textures for reuse.
+//! @details Nintendo64 has a texture cache of 4 KiB
+//*****************************************************************************
+class TextureCache
+{
+public:
+
+    //Constructor / Destructor
+    TextureCache();
+    ~TextureCache();
+
+    //Functions
+    bool initialize(RSP* rsp, RDP* rdp, Memory* memory, unsigned int textureBitDepth, unsigned int cacheSize=(32 * 1048576));
+    void update(unsigned int tile);
+    void dispose();
+
+    void setMipmap( int value ) { m_mipmap = value; } 
+
+    //Add and Remove
+    CachedTexture* addTop();
+    void removeBottom();
+    void remove( CachedTexture *texture );
+
+    //Move Texture to top
+    void moveToTop( CachedTexture *newtop );
+
+    //Get Current Texture
+    CachedTexture* getCurrentTexture(int index) { return m_currentTextures[index]; }
+    
+private:
+
+    void _loadTexture(CachedTexture* texture);
+    void _calculateTextureSize(unsigned int tile, CachedTexture* out, unsigned int& maskWidth, unsigned int& maskHeight);
+    void _activateTexture( unsigned int t, CachedTexture *texture );
+    unsigned int _calculateCRC(unsigned int t, unsigned int width, unsigned int height);
+
+private:
+//public:
+
+    RSP*    m_rsp;                         //!< Pointer to Reality Signal Processor 
+    RDP*    m_rdp;                         //!< Pointer to Reality Drawing Processor 
+    Memory* m_memory;                      //!< Pointer to Memory manager (handles RDRAM, Texture Memory...)
+
+    ImageFormatSelector m_formatSelector;  //!< Image Format Selector used when decoding textures
+    CRCCalculator2      m_crcCalculator;   //!< Hash value calculator for textures
+
+    unsigned int m_maxBytes;              //!< Maximum number of bytes this cache have
+    unsigned int m_cachedBytes;           //!< Current number of bytes in cache
+    unsigned int m_bitDepth;              //!<
+    int m_mipmap;
+
+    //Cached textures
+    typedef std::list<CachedTexture*> TextureList;
+    TextureList m_cachedTextures;          //!< List of cached textures
+
+    //Pointers to current textures
+    CachedTexture* m_currentTextures[2];   //!< Two textures for multi-texturing.
+    
+};
+
+#endif