Triangle in render texture

Resources/Shaders/Vulkan/test.vert

@@ -0,0 +1,28 @@
+struct VSInput
+{
+[[vk::location(0)]] float3 Position : POSITION0;
+[[vk::location(1)]] float3 Color : COLOR0;
+};
+
+struct UBO
+{
+	float4x4 projectionMatrix;
+	float4x4 modelMatrix;
+	float4x4 viewMatrix;
+};
+
+cbuffer ubo : register(b0, space0) { UBO ubo; }
+
+struct VSOutput
+{
+	float4 Pos : SV_POSITION;
+[[vk::location(0)]] float3 Color : COLOR0;
+};
+
+VSOutput main(VSInput input, uint VertexIndex : SV_VertexID)
+{
+	VSOutput output = (VSOutput)0;
+	output.Color = input.Color * float(VertexIndex);
+	output.Pos = mul(ubo.projectionMatrix, mul(ubo.viewMatrix, mul(ubo.modelMatrix, float4(input.Position.xyz, 1.0))));
+	return output;
+}