Initial megacommit.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/TextureMngr.h

@@ -0,0 +1,87 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// 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, version 2.0.
+
+// 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 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#ifndef _TextureMngr_H
+#define _TextureMngr_H
+
+#include <map>
+#include "BPStructs.h"
+
+struct TRectangle
+{ 
+	int left, top, right, bottom;
+};
+
+class TextureMngr
+{
+public:
+    struct TCacheEntry
+    {
+        TCacheEntry() : texture(0), addr(0), hash(0), w(0), h(0), isRenderTarget(false), isUpsideDown(false), isNonPow2(true), bHaveMipMaps(false) { mode.hex = 0xFCFCFCFC; }
+
+        u32 texture;
+        u32 addr;
+        u32 hash;
+        u32 paletteHash;
+        u32 hashoffset;
+        u32 oldpixel; // used for simple cleanup
+        TexMode0 mode; // current filter and clamp modes that texture is set to
+
+        int frameCount;
+        int w,h,fmt;
+
+        bool isRenderTarget; // if render texture, then rendertex is filled with the direct copy of the render target
+                             // later conversions would have to convert properly from rendertexfmt to texfmt
+        bool isUpsideDown; 
+        bool isNonPow2; // if nonpow2, use GL_TEXTURE_2D, else GL_TEXTURE_RECTANGLE_NV
+        bool bHaveMipMaps;
+
+        void SetTextureParameters(TexMode0& newmode);
+        void Destroy();
+        void ConvertFromRenderTarget(u32 taddr, int twidth, int theight, int tformat, int tlutaddr, int tlutfmt);
+    };
+
+    struct DEPTHTARGET
+    {
+        DEPTHTARGET() : targ(0), framecount(0) {}
+        GLuint targ;
+        int framecount;
+    };
+
+private:
+    typedef std::map<u32,TCacheEntry> TexCache;
+
+    static u8 *temp;
+    static TexCache textures;
+	static std::map<u32, DEPTHTARGET> mapDepthTargets;
+    static int nTex2DEnabled, nTexRECTEnabled;
+
+public:
+
+    static void Init();
+    static void Cleanup();
+    static void Shutdown();
+    static void Invalidate();
+    static TCacheEntry* Load(int texstage, u32 address, int width, int height, int format, int tlutaddr, int tlutfmt);
+    static void CopyRenderTargetToTexture(u32 address, bool bFromZBuffer, bool bIsIntensityFmt, u32 copyfmt, bool bScaleByHalf, TRectangle *source);
+
+    static void EnableTex2D(int stage);
+    static void EnableTexRECT(int stage);
+    static void DisableStage(int stage); // sets active texture
+};
+
+#endif