63 lines
No EOL
1.7 KiB
HLSL
63 lines
No EOL
1.7 KiB
HLSL
#include "Defines.hlsli"
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#include "Helpers.hlsli"
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#include "HelpersPBR.hlsli"
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#include "Lights.hlsli"
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#include "LightsPBR.hlsli"
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#define MAX_LIGHTS 128
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cbuffer ExternalData : register(b0)
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{
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float2 offset;
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float2 scale;
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float3 cameraPosition;
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float lightCount;
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Light lights[MAX_LIGHTS];
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}
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Texture2D Albedo : register(t0);
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Texture2D Normal : register(t1);
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Texture2D Roughness : register(t2);
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Texture2D Metalness : register(t3);
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TextureCube Reflection : register(t4);
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SamplerState Sampler : register(s0);
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float4 main(VertexToPixel input) : SV_TARGET
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{
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input.normal = normalize(input.normal);
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input.tangent = normalize(input.tangent);
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float3 view = normalize(cameraPosition - input.worldPosition);
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float4 albedo = pow(Albedo.Sample(Sampler, input.uv), 2.2f);
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float3 N = Normal.Sample(Sampler, input.uv).rgb * 2 - 1;
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float3 T = normalize(input.tangent - input.normal * dot(input.tangent, input.normal));
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float3 B = cross(T, input.normal);
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float3x3 TBN = float3x3(T, B, input.normal);
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input.normal = mul(N, TBN);
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float roughness = Roughness.Sample(Sampler, input.uv).r;
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float metalness = Metalness.Sample(Sampler, input.uv).r;
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float3 specular = lerp(F0_NON_METAL.rrr, albedo.rgb, metalness);
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float3 light = float3(0, 0, 0);
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for (int i = 0; i < lightCount; i++)
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{
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switch (lights[i].Type)
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{
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case LIGHT_TYPE_DIRECTIONAL:
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light += directionalLightPBR(lights[i], input.normal, view, roughness, metalness, albedo, specular);
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break;
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case LIGHT_TYPE_POINT:
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light += pointLightPBR(lights[i], input.normal, view, roughness, metalness, albedo, specular, input.worldPosition);
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break;
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}
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}
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float3 final = light;
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return float4(pow(final, 1.0f / 2.2f), albedo.a);
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} |