init

shaders/oit_depth_peeling/fullscreen.vert

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+#version 450
+/* Copyright (c) 2024, Google
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 (location = 0) out vec2 outUV;
+
+////////////////////////////////////////
+
+void main()
+{
+	const vec4 fullscreen_triangle[] =
+	{
+		vec4(-1.0f,  3.0f, 0.0f, 2.0f),
+		vec4(-1.0f, -1.0f, 0.0f, 0.0f),
+		vec4( 3.0f, -1.0f, 2.0f, 0.0f),
+	};
+	const vec4 vertex = fullscreen_triangle[gl_VertexIndex % 3];
+	gl_Position = vec4(vertex.xy, 0.0f, 1.0f);
+	outUV = vertex.zw;
+}
+