Replaced some opengl fixed functions with shaders. Temporary ShyotlUseLegacyRenderPath setting to debug if this change actually improves framerate at all (setting not tied to callbacks. Have to toggle shaders to have stuff pick up the setting change)

indra/llrender/llrender.h

@@ -58,11 +58,13 @@ class LLTexUnit
 {
 	friend class LLRender;
 public:
+	static U32 sWhiteTexture;
 	typedef enum
 	{
 		TT_TEXTURE = 0,			// Standard 2D Texture
 		TT_RECT_TEXTURE,	// Non power of 2 texture
 		TT_CUBE_MAP,		// 6-sided cube map texture
+		//TT_MULTISAMPLE_TEXTURE, // see GL_ARB_texture_multisample  Do not use
 		TT_NONE 		// No texture type is currently enabled
 	} eTextureType;