53 lines
No EOL
1.4 KiB
HLSL
53 lines
No EOL
1.4 KiB
HLSL
#include "stereokit.hlsli"
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//--name = dofdev/backbox
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//--color:color = 1, 1, 1, 1
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float4 color;
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struct vsIn {
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float4 pos : SV_Position;
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float3 norm : NORMAL0;
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float2 uv : TEXCOORD0;
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// float4 col : COLOR0;
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};
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struct psIn {
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float4 pos : SV_POSITION;
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float2 uv : TEXCOORD0;
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float4 color : COLOR0;
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float3 normal : NORMAL0;
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float3 world_pos : WORLD;
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float3 cam_pos : TEXCOORD1;
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float3 cam_dir : TEXCOORD2;
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uint view_id : SV_RenderTargetArrayIndex;
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};
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psIn vs(vsIn input, uint id : SV_InstanceID) {
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psIn o;
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o.view_id = id % sk_view_count;
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id = id / sk_view_count;
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o.cam_pos = sk_camera_pos[o.view_id].xyz;
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o.cam_dir = sk_camera_dir[o.view_id].xyz;
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float3 world = mul(float4(input.pos.xyz, 1), sk_inst[id].world).xyz;
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o.pos = mul(float4(world, 1), sk_viewproj[o.view_id]);
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o.world_pos = world;
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// flip input normals to treat backfaces like normal
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o.normal = normalize(mul(-input.norm, (float3x3)sk_inst[id].world));
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o.uv = input.uv;
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o.color = color * sk_inst[id].color;
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return o;
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}
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float4 ps(psIn input) : SV_TARGET {
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float3 view_dir = normalize(input.world_pos - input.cam_pos);
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// Fresnel effect calculation
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float fresnel = 1.0 - saturate(dot(-view_dir, input.normal));
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fresnel = pow(fresnel, 5.0); // Adjust power for different falloff rates
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float value = 0.5;
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return float4(fresnel * input.color.rgb * value, input.color.a);
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} |