/* Copyright (c) 2024, Sascha Willems
 *
 * 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.
 */

struct VSOutput
{
	float4 Pos : SV_POSITION;
[[vk::location(0)]] float2 UV : TEXCOORD0;
};

VSOutput main(uint VertexIndex : SV_VertexID)
{
	VSOutput output = (VSOutput)0;
	output.UV = float2((VertexIndex << 1) & 2, VertexIndex & 2);
	output.Pos = float4(output.UV * 2.0f - 1.0f, 0.0f, 1.0f);
	return output;
}