added an option to copy textures from the EFB to system memory. this is slower but shouldn't cause the compatibility issues the previous method of copying them directly to a GL texture has. the new method can be tested by disabling "copy EFB to texture" in the hacks section. the new method still needs some tweaks.

fixed some off-by-one errors in the EFB to texture copy and the scissor box. also fixed a couple asserts I was getting in the volume directory stuff.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1853 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/TextureConversionShader.h

@@ -0,0 +1,41 @@
+// 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 _TEXTURECONVERSIONSHADER_H
+#define _TEXTURECONVERSIONSHADER_H
+
+#include "Common.h"
+#include "TextureDecoder.h"
+#include <Cg/cg.h> 
+
+namespace TextureConversionShader
+{
+
+u16 GetBlockWidthInTexels(u32 format);
+
+u16 GetBlockHeightInTexels(u32 format);
+
+u16 GetEncodedSampleCount(u32 format);
+
+char *GenerateEncodingShader(u32 format);
+
+void SetShaderParameters(u32 width, u32 height, u32 offsetX, u32 offsetY, float pixelStride, u32 format);
+
+
+}
+
+#endif