mirror of
https://github.com/aharabada/glitchy-engine-beef.git
synced 2026-09-05 13:01:52 +00:00
123 lines
3.4 KiB
HLSL
123 lines
3.4 KiB
HLSL
Texture2D AlbedoTexture : register(t0);
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SamplerState AlbedoSampler : register(s0);
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Texture2D<float3> NormalTexture : register(t1);
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SamplerState NormalSampler : register(s1);
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Texture2D<float> MetallicTexture : register(t2);
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SamplerState MetallicSampler : register(s2);
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Texture2D<float> RoughnessTexture : register(t3);
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SamplerState RoughnessSampler : register(s3);
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// Texture2D<float> AmbientTexture : register(t4);
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// SamplerState AmbientSampler : register(s4);
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cbuffer SceneConstants
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{
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float4x4 ViewProjection;
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}
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cbuffer ObjectConstants
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{
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float4x4 Transform;
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}
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cbuffer Constants
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{
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//float4 BaseColor = float4(1, 0, 1, 1);
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//float3 LightDir = float3(0, 1, 0);
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}
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struct VS_IN
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{
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float3 Position : POSITION;
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float3 Normal : NORMAL;
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// Todo: Tangent.w... handedness
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float3 Tangent : TANGENT;
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float2 TexCoord : TEXCOORD;
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};
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struct PS_IN
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{
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float4 Position : SV_POSITION;
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float3 WorldPosition : WORLDPOSITION;
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float3 Normal : NORMAL;
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float3 Tangent : TANGENT;
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float2 TexCoord : TEXCOORD;
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//nointerpolation float Handedness : HANDEDNESS;
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};
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PS_IN VS(VS_IN input)
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{
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PS_IN output;
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float4 worldPosition = mul(Transform, float4(input.Position, 1));
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output.Position = mul(ViewProjection, worldPosition);
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output.WorldPosition = worldPosition.xyz / worldPosition.w;
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output.Normal = mul(input.Normal, (float3x3)Transform);
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output.Tangent = mul((float3x3)Transform, input.Tangent);
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// TODO: output.Handedness = input.Tangent.w
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output.TexCoord = input.TexCoord;
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return output;
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}
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struct PS_OUT
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{
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float4 Albedo : SV_TARGET0;
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// RG: TextureNormal.XY BA: GeoNrm.XY
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float4 Normal : SV_TARGET1;
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// R: GeoNrm.Z GBA: GeoTan.XYZ
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float4 Tangent : SV_TARGET2;
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float4 Position : SV_TARGET3;
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// R: Metallicity G: Roughness B: Ambient
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float4 Material : SV_TARGET4;
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};
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PS_OUT PS(PS_IN input)
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{
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// Build tangent space
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float3 normal = normalize(input.Normal);
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float3 tangent = normalize(input.Tangent - dot(input.Tangent, normal) * input.Normal);
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// TODO: float3 bitangent = input.Handedness * cross(normal, tangent);
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float3 bitangent = -cross(normal, tangent);
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float3x3 tangentTransform = float3x3(tangent, bitangent, normal);
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//tangentTransform = transpose(tangentTransform);
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float4 texAlbedo = AlbedoTexture.Sample(AlbedoSampler, input.TexCoord);
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float3 texNormal = NormalTexture.Sample(NormalSampler, input.TexCoord);
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texNormal.xy = texNormal.xy * 2.0 - 1.0;
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float texMetallic = MetallicTexture.Sample(MetallicSampler, input.TexCoord);
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float texRoughness = RoughnessTexture.Sample(RoughnessSampler, input.TexCoord);
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//float3 objectNormal = mul(tangentTransform, texNormal);
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//float3 worldNormal = mul(objectNormal, (float3x3)Transform);
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/////////////TODO: REMOVEME
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//worldNormal = max(worldNormal - 10000000, normal);
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//texAlbedo = max(texAlbedo - 10000000, 1.0);
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//texMetallic = max(texMetallic - 10000000, 0.0);
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//texRoughness = max(texRoughness - 10000000, 0.1);
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/////////////TODO: END_REMOVEME
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PS_OUT output;
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output.Albedo = texAlbedo;
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//output.Normal = float4(objectNormal, 1.0);
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output.Normal = float4(texNormal.xy, normal.xy);
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output.Tangent = float4(normal.z, tangent.xyz);
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output.Position = float4(input.WorldPosition, 1.0);
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output.Material = float4(texMetallic, texRoughness, 1.0, 0);
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return output;
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}
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#effect[VS=VS,PS=PS]
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