88 lines
2.0 KiB
HLSL
88 lines
2.0 KiB
HLSL
struct VSInput
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{
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float3 Position : POSITION0;
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float3 Normal : NORMAL0;
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float3 Texture : TEXCOORD0;
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};
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struct VSOutput
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{
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float4 Position : SV_POSITION;
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float3 Normal : NORMAL0;
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float2 Texture : TEXCOORD0;
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float3 LightDirection : NORMAL1;
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float3 ViewDirection : NORMAL2;
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};
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struct ShaderData
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{
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float4x4 Transform;
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float4x4 ModelView;
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float4 LightPosition; // view space
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uint32_t Selected;
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};
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struct PushConstant {
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vk::BufferPointer<ShaderData> data;
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};
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[[vk::push_constant]]
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ShaderData data;
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//struct PushConstant constants;
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[[vk::binding(0)]] SamplerState samplers[];
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[[vk::binding(0)]] Texture2D textures[];
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[shader("vertex")]
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VSOutput VSMain(VSInput input)
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{
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VSOutput output = (VSOutput)0;
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output.Position = mul(data.Transform, float4(input.Position.xyz, 1.0));
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output.Normal = mul((float3x3)data.ModelView, input.Normal);
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output.Texture = input.Texture.xy;
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float4 viewPosition = mul(data.ModelView, float4(input.Position.xyz, 1.0));
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output.LightDirection = (data.LightPosition - viewPosition).xyz;
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output.ViewDirection = -viewPosition.xyz;
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return output;
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}
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[shader("pixel")]
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float4 PSMain(VSOutput input) : SV_TARGET
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{
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float3 color = textures[0].Sample(samplers[0], input.Texture).bgr;
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float3 N = normalize(input.Normal);
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float3 L = normalize(input.LightDirection);
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float3 V = normalize(input.ViewDirection);
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float3 R = reflect(-L, N);
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const float a = 16.0;
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const float specularIntensity = 0.8;
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float3 specular = pow(max(dot(R, V), 0), a) * specularIntensity;
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float3 diffuse = max(dot(N, L), 0.001);
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return float4(diffuse * color + specular, 1.0);
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}
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struct VSOutlineOutput
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{
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float4 Position : SV_POSITION;
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};
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[shader("vertex")]
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VSOutlineOutput VSOutlineMain(VSInput input)
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{
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VSOutlineOutput output = (VSOutlineOutput)0;
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float3 position = input.Position.xyz + input.Normal.xyz * 0.01;
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output.Position = mul(data.Transform, float4(position, 1.0));
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return output;
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}
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[shader("pixel")]
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float4 PSOutlineMain(VSOutlineOutput input) : SV_TARGET
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{
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return float4(1.0, 1.0, 1.0, 1.0);
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}
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