init

shaders/shader_object/post_process_edge_detection.frag

@@ -0,0 +1,39 @@
+#version 450
+/*
+ * Copyright 2023 Nintendo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+layout (set = 0, binding = 0) uniform sampler2D samplerColorMap;
+
+layout (location = 0) in vec2 inUV;
+layout (location = 0) out vec4 outColor;
+
+void main()
+{
+	vec3 color = vec3(0);
+	float weights[9] = {0,1,0,1,-4,1,0,1,0 };
+
+	color += textureOffset(samplerColorMap, inUV, ivec2(-1, 1)).rgb * weights[0];
+	color += textureOffset(samplerColorMap, inUV, ivec2( 0, 1)).rgb * weights[1];
+	color += textureOffset(samplerColorMap, inUV, ivec2( 1, 1)).rgb * weights[2];
+	color += textureOffset(samplerColorMap, inUV, ivec2(-1, 0)).rgb * weights[3];
+	color += textureOffset(samplerColorMap, inUV, ivec2( 0, 0)).rgb * weights[4];
+	color += textureOffset(samplerColorMap, inUV, ivec2( 1, 0)).rgb * weights[5];
+	color += textureOffset(samplerColorMap, inUV, ivec2(-1,-1)).rgb * weights[6];
+	color += textureOffset(samplerColorMap, inUV, ivec2( 0,-1)).rgb * weights[7];
+	color += textureOffset(samplerColorMap, inUV, ivec2( 1,-1)).rgb * weights[8];
+
+	outColor = vec4(color * 2.0f, 1.0f);
+}