Data: Include crt-royale

From https://github.com/akgunter/crt-royale-reshade

data/resources/shaders/reshade/Shaders/crt-royale/shaders/input-blurring.fxh

@@ -0,0 +1,74 @@
+#ifndef _INPUT_BLURRING_H
+#define _INPUT_BLURRING_H
+
+/////////////////////////////////  MIT LICENSE  ////////////////////////////////
+
+//  Copyright (C) 2022 Alex Gunter
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to
+//  deal in the Software without restriction, including without limitation the
+//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+//  sell copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//  
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  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 OR COPYRIGHT HOLDERS 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.
+
+
+// Theoretically this could go in blurring.fxh
+// But that file has a bunch of GPL stuff in it.
+// Keeping it separate makes it easier to communicate that this portion is
+// available under the MIT license.
+
+#include "../lib/downsampling-functions.fxh"
+
+#include "content-box.fxh"
+#include "shared-objects.fxh"
+
+
+void preblurVertPS(
+    in const float4 pos : SV_Position,
+    in const float2 texcoord : TEXCOORD0,
+
+    out float4 color : SV_Target
+) {
+    const float2 texcoord_uncropped = texcoord;
+
+    const float2 max_delta_uv = float2(0.0, rcp(content_size.y)) * preblur_effect_radius;
+    const float2 delta_uv = max_delta_uv * rcp(max(preblur_sampling_radius.y, 1));
+
+	color = float4(opaque_linear_downsample(
+		ReShade::BackBuffer,
+		texcoord_uncropped,
+        preblur_sampling_radius.y,
+		delta_uv
+	), 1);
+}
+
+void preblurHorizPS(
+    in const float4 pos : SV_Position,
+    in const float2 texcoord : TEXCOORD0,
+
+    out float4 color : SV_Target
+) {
+    const float2 max_delta_uv = float2(rcp(content_size.x), 0.0) * preblur_effect_radius;
+    const float2 delta_uv = max_delta_uv * rcp(max(preblur_sampling_radius.x, 1));
+	
+	color = float4(opaque_linear_downsample(
+		samplerPreblurVert,
+		texcoord,
+        preblur_sampling_radius.x,
+		delta_uv
+	), 1);
+}
+
+#endif  //  _INPUT_BLURRING_H