mirror of
https://github.com/ncblakely/GiantsTools
synced 2024-12-24 00:07:22 +01:00
150 lines
4.0 KiB
HLSL
150 lines
4.0 KiB
HLSL
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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//
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// This file was generated by exporting HLSL from Visual Studio's default "Unlit" material, and then modified to handle both texture scenarios
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// <Visual Studio install folder>\Common7\IDE\Extensions\Microsoft\VsGraphics\Assets\Effects\Unlit.dgsl
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//
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Texture2D Texture1 : register( t0 );
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SamplerState TexSampler : register( s0 );
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cbuffer MaterialVars : register (b0)
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{
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float4 MaterialAmbient;
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float4 MaterialDiffuse;
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float4 MaterialSpecular;
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float4 MaterialEmissive;
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float MaterialSpecularPower;
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};
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cbuffer LightVars : register (b1)
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{
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float4 AmbientLight;
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float4 LightColor[4];
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float4 LightAttenuation[4];
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float3 LightDirection[4];
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float LightSpecularIntensity[4];
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uint IsPointLight[4];
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uint ActiveLights;
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}
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cbuffer ObjectVars : register(b2)
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{
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float4x4 LocalToWorld4x4;
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float4x4 LocalToProjected4x4;
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float4x4 WorldToLocal4x4;
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float4x4 WorldToView4x4;
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float4x4 UVTransform4x4;
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float3 EyePosition;
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};
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cbuffer MiscVars : register(b3)
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{
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float ViewportWidth;
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float ViewportHeight;
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float Time;
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};
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struct V2P
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{
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float4 pos : SV_POSITION;
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float4 diffuse : COLOR;
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float2 uv : TEXCOORD0;
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float3 worldNorm : TEXCOORD1;
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float3 worldPos : TEXCOORD2;
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float3 toEye : TEXCOORD3;
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float4 tangent : TEXCOORD4;
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float3 normal : TEXCOORD5;
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};
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struct P2F
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{
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float4 fragment : SV_Target;
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};
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//
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// combines a float3 RGB value with an alpha value into a float4
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//
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float4 CombineRGBWithAlpha(float3 rgb, float a)
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{
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return float4(rgb.r, rgb.g, rgb.b, a);
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}
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P2F main(V2P pixel)
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{
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P2F result;
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result.fragment = pixel.diffuse;
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return result;
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}
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P2F mainTk(V2P pixel)
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{
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P2F result;
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result.fragment = pixel.diffuse;
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if (result.fragment.a == 0.0f) discard;
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return result;
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}
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P2F mainTx(V2P pixel)
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{
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P2F result;
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// we need to normalize incoming vectors
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float3 surfaceNormal = normalize(pixel.normal);
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float3 surfaceTangent = normalize(pixel.tangent.xyz);
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float3 worldNormal = normalize(pixel.worldNorm);
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float3 toEyeVector = normalize(pixel.toEye);
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// construct tangent matrix
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float3x3 localToTangent = transpose(float3x3(surfaceTangent, cross(surfaceNormal, surfaceTangent) * pixel.tangent.w, surfaceNormal));
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float3x3 worldToTangent = mul((float3x3)WorldToLocal4x4, localToTangent);
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// transform some vectors into tangent space
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float3 tangentLightDir = normalize(mul(LightDirection[0], worldToTangent));
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float3 tangentToEyeVec = normalize(mul(toEyeVector, worldToTangent));
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// BEGIN GENERATED CODE
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float3 local3 = pixel.diffuse.rgb * Texture1.Sample(TexSampler, pixel.uv).rgb;
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float local4 = pixel.diffuse.a * Texture1.Sample(TexSampler, pixel.uv).a;
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result.fragment = CombineRGBWithAlpha(local3, local4);
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// END GENERATED CODE
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return result;
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}
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P2F mainTxTk(V2P pixel)
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{
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P2F result;
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// we need to normalize incoming vectors
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float3 surfaceNormal = normalize(pixel.normal);
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float3 surfaceTangent = normalize(pixel.tangent.xyz);
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float3 worldNormal = normalize(pixel.worldNorm);
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float3 toEyeVector = normalize(pixel.toEye);
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// construct tangent matrix
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float3x3 localToTangent = transpose(float3x3(surfaceTangent, cross(surfaceNormal, surfaceTangent) * pixel.tangent.w, surfaceNormal));
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float3x3 worldToTangent = mul((float3x3)WorldToLocal4x4, localToTangent);
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// transform some vectors into tangent space
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float3 tangentLightDir = normalize(mul(LightDirection[0], worldToTangent));
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float3 tangentToEyeVec = normalize(mul(toEyeVector, worldToTangent));
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// BEGIN GENERATED CODE
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float3 local3 = pixel.diffuse.rgb * Texture1.Sample(TexSampler, pixel.uv).rgb;
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float local4 = pixel.diffuse.a * Texture1.Sample(TexSampler, pixel.uv).a;
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result.fragment = CombineRGBWithAlpha(local3, local4);
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// END GENERATED CODE
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if (result.fragment.a == 0.0f) discard;
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return result;
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}
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