49 lines
866 B
Text
49 lines
866 B
Text
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/* Copyright (c) 2025, Sascha Willems
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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struct VSInput
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{
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float3 Pos;
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float2 UV;
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};
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struct VSOutput
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{
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float4 Pos : SV_POSITION;
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float3 UV;
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};
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struct Instance
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{
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float4x4 model;
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float arrayIndex;
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};
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struct UBO
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{
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float4x4 projection;
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float4x4 view;
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Instance instance[8];
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};
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ConstantBuffer<UBO> ubo;
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Sampler2DArray samplerArray;
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[shader("vertex")]
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VSOutput vertexMain(VSInput input, uint InstanceIndex: SV_InstanceID)
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{
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VSOutput output;
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output.UV = float3(input.UV, ubo.instance[InstanceIndex].arrayIndex);
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float4x4 modelView = mul(ubo.view, ubo.instance[InstanceIndex].model);
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output.Pos = mul(ubo.projection, mul(modelView, float4(input.Pos, 1.0)));
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return output;
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}
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[shader("fragment")]
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float4 fragmentMain(VSOutput input)
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{
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return samplerArray.Sample(input.UV);
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}
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