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diff --git a/plugins/gpu_senquack/gpu.h b/plugins/gpu_senquack/gpu.h
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+/***************************************************************************
+*   Copyright (C) 2010 PCSX4ALL Team                                      *
+*   Copyright (C) 2010 Unai                                               *
+*   Copyright (C) 2016 Senquack (dansilsby <AT> gmail <DOT> com)          *
+*                                                                         *
+*   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 02111-1307 USA.           *
+***************************************************************************/
+
+#ifndef GPU_UNAI_GPU_H
+#define GPU_UNAI_GPU_H
+
+struct gpu_senquack_config_t {
+	uint8_t pixel_skip:1;     // If 1, allows skipping rendering pixels that
+	                          //  would not be visible when a high horizontal
+	                          //  resolution PS1 video mode is set.
+	                          //  Only applies to devices with low resolutions
+	                          //  like 320x240. Should not be used if a
+	                          //  down-scaling framebuffer blitter is in use.
+	                          //  Can cause gfx artifacts if game reads VRAM
+	                          //  to do framebuffer effects.
+
+	uint8_t ilace_force:3;    // Option to force skipping rendering of lines,
+	                          //  for very slow platforms. Value will be
+	                          //  assigned to 'ilace_mask' in gpu_senquack struct.
+	                          //  Normally 0. Value '1' will skip rendering
+	                          //  odd lines.
+
+	uint8_t scale_hires:1;    // If 1, will scale hi-res output to
+	                          //  320x240 when gpulib reads the frame.
+	                          //  Implies pixel_skip and ilace_force
+	                          //  (when height > 240).
+	uint8_t lighting:1;
+	uint8_t fast_lighting:1;
+	uint8_t blending:1;
+	uint8_t dithering:1;
+
+	//senquack Only PCSX Rearmed's version of gpu_senquack had this, and I
+	// don't think it's necessary. It would require adding 'AH' flag to
+	// gpuSpriteSpanFn() increasing size of sprite span function array.
+	//uint8_t enableAbbeyHack:1;  // Abe's Odyssey hack
+
+	////////////////////////////////////////////////////////////////////////////
+	// Variables used only by older standalone version of gpu_senquack (gpu.cpp)
+#ifndef USE_GPULIB
+	uint8_t prog_ilace:1;         // Progressive interlace option (old option)
+	                              //  This option was somewhat oddly named:
+	                              //  When in interlaced video mode, on a low-res
+	                              //  320x240 device, only the even lines are
+	                              //  rendered. This option will take that one
+	                              //  step further and only render half the even
+	                              //  even lines one frame, and then the other half.
+	uint8_t frameskip_count:3;    // Frame skip (0..7)
+#endif
+};
+
+extern gpu_senquack_config_t gpu_senquack_config_ext;
+
+// TODO: clean up show_fps frontend option
+extern  bool show_fps;
+
+#endif // GPU_UNAI_GPU_H