/* Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
 *
 * 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.
 *
 * ------------------------------------------------------------------------
 *
 * THIS IS A MODIFIED VERSION OF THE ORIGINAL FILE
 *
 * The original file, along with the original Apache-2.0 LICENSE can be found at:
 * https://github.com/google-research/jax3d/tree/main/jax3d/projects/mobilenerf
 *
 * Modification details: Shader code was updated to work on Vulkan (originally
 * built for WebGL)
 * Contributor: (Qualcomm) Rodrigo Holztrattner - quic_rholztra@quicinc.com
 */
#version 460

out gl_PerVertex {
	vec4 gl_Position;
};

void main()
{
	vec2 outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
	gl_Position = vec4(outUV * 2.0f - 1.0f, 0.0f, 1.0f);
}