Add mpv config

mpv/shaders/Anime4K_AutoDownscalePre_x2.glsl

@@ -0,0 +1,36 @@
+// This is free and unencumbered software released into the public domain.
+
+// Anyone is free to copy, modify, publish, use, compile, sell, or
+// distribute this software, either in source code form or as a compiled
+// binary, for any purpose, commercial or non-commercial, and by any
+// means.
+
+// In jurisdictions that recognize copyright laws, the author or authors
+// of this software dedicate any and all copyright interest in the
+// software to the public domain. We make this dedication for the benefit
+// of the public at large and to the detriment of our heirs and
+// successors. We intend this dedication to be an overt act of
+// relinquishment in perpetuity of all present and future rights to this
+// software under copyright law.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+
+// For more information, please refer to <https://unlicense.org>
+
+//!DESC Anime4K-v4.0-AutoDownscalePre-x2
+//!HOOK MAIN
+//!BIND HOOKED
+//!BIND NATIVE
+//!WHEN OUTPUT.w NATIVE.w / 2.0 < OUTPUT.h NATIVE.h / 2.0 < * OUTPUT.w NATIVE.w / 1.2 > OUTPUT.h NATIVE.h / 1.2 > * *
+//!WIDTH OUTPUT.w
+//!HEIGHT OUTPUT.h
+
+vec4 hook() {
+	return HOOKED_tex(HOOKED_pos);
+}