Restructure files and libraries

Rename a bunch of files to make the consistent
	Create two new subdirectories for common code, and utilities

common/common-gpu.h

@@ -0,0 +1,59 @@
+/*
+
+Copyright (c) 2017-2019, Feral Interactive
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+ * Neither the name of Feral Interactive nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+ */
+
+#pragma once
+#define CONFIG_VALUE_MAX 256
+
+/* Enums for GPU vendors */
+enum GPUVendor {
+	Vendor_Invalid = 0,
+	Vendor_NVIDIA = 0x10de,
+	Vendor_AMD = 0x1002,
+	Vendor_Intel = 0x8086
+};
+
+#define GPUVendorValid(vendor)                                                                     \
+	(vendor == Vendor_NVIDIA || vendor == Vendor_AMD || vendor == Vendor_Intel)
+
+/* Storage for GPU info*/
+struct GameModeGPUInfo {
+	long vendor;
+	long device; /* path to device, ie. /sys/class/drm/card#/ */
+
+	long nv_core;            /* Nvidia core clock */
+	long nv_mem;             /* Nvidia mem clock */
+	long nv_powermizer_mode; /* NV Powermizer Mode */
+
+	char amd_performance_level[CONFIG_VALUE_MAX]; /* The AMD performance level set to */
+};
+
+/* Get the vendor for a device */
+enum GPUVendor gamemode_get_gpu_vendor(long device);