Add a "force no texture filter" option, useful for some 2D games (like Mega Man 10) and people who like their pixelated graphics.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7431 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoDX9/Src/Render.cpp

@@ -1381,6 +1381,10 @@ void Renderer::SetSamplerState(int stage, int texindex)
 	{
 		min = mag = mip = D3DTEXF_LINEAR;
 	}
+	else if (g_ActiveConfig.bForceNoFiltering)
+	{
+		min = mag = mip = D3DTEXF_POINT;
+	}
 	else
 	{
 		min = (tm0.min_filter & 4) ? D3DTEXF_LINEAR : D3DTEXF_POINT;