template project, first version

DirectXTK/Src/Shaders/DGSLUnlit.hlsl

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+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+// PARTICULAR PURPOSE.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+
+//
+// This file was generated by exporting HLSL from Visual Studio's default "Unlit" material, and then modified to handle both texture scenarios
+// <Visual Studio install folder>\Common7\IDE\Extensions\Microsoft\VsGraphics\Assets\Effects\Unlit.dgsl 
+//
+
+Texture2D Texture1 : register( t0 );
+
+SamplerState TexSampler : register( s0 );
+
+cbuffer MaterialVars : register (b0)
+{
+    float4 MaterialAmbient;
+    float4 MaterialDiffuse;
+    float4 MaterialSpecular;
+    float4 MaterialEmissive;
+    float MaterialSpecularPower;
+};
+
+cbuffer LightVars : register (b1)
+{
+    float4 AmbientLight;
+    float4 LightColor[4];
+    float4 LightAttenuation[4];
+    float3 LightDirection[4];
+    float LightSpecularIntensity[4];
+    uint IsPointLight[4];
+    uint ActiveLights;
+}
+
+cbuffer ObjectVars : register(b2)
+{
+    float4x4 LocalToWorld4x4;
+    float4x4 LocalToProjected4x4;
+    float4x4 WorldToLocal4x4;
+    float4x4 WorldToView4x4;
+    float4x4 UVTransform4x4;
+    float3 EyePosition;
+};
+
+cbuffer MiscVars : register(b3)
+{
+    float ViewportWidth;
+    float ViewportHeight;
+    float Time;
+};
+
+struct V2P
+{
+    float4 pos : SV_POSITION;
+    float4 diffuse : COLOR;
+    float2 uv : TEXCOORD0;
+    float3 worldNorm : TEXCOORD1;
+    float3 worldPos : TEXCOORD2;
+    float3 toEye : TEXCOORD3;
+    float4 tangent : TEXCOORD4;
+    float3 normal : TEXCOORD5;
+};
+
+struct P2F
+{
+    float4 fragment : SV_Target;
+};
+
+//
+// combines a float3 RGB value with an alpha value into a float4
+//
+float4 CombineRGBWithAlpha(float3 rgb, float a) 
+{ 
+    return float4(rgb.r, rgb.g, rgb.b, a); 
+}
+
+P2F main(V2P pixel)
+{
+    P2F result;
+
+    result.fragment = pixel.diffuse;
+
+    return result;
+}
+
+P2F mainTk(V2P pixel)
+{
+    P2F result;
+
+    result.fragment = pixel.diffuse;
+    if (result.fragment.a == 0.0f) discard;
+
+    return result;
+}
+
+P2F mainTx(V2P pixel)
+{
+    P2F result;
+
+    // we need to normalize incoming vectors
+    float3 surfaceNormal = normalize(pixel.normal);
+    float3 surfaceTangent = normalize(pixel.tangent.xyz);
+    float3 worldNormal = normalize(pixel.worldNorm);
+    float3 toEyeVector = normalize(pixel.toEye);
+
+    // construct tangent matrix
+    float3x3 localToTangent = transpose(float3x3(surfaceTangent, cross(surfaceNormal, surfaceTangent) * pixel.tangent.w, surfaceNormal));
+    float3x3 worldToTangent = mul((float3x3)WorldToLocal4x4, localToTangent);
+
+    // transform some vectors into tangent space
+    float3 tangentLightDir = normalize(mul(LightDirection[0], worldToTangent));
+    float3 tangentToEyeVec = normalize(mul(toEyeVector, worldToTangent));
+
+    // BEGIN GENERATED CODE
+    float3 local3 = pixel.diffuse.rgb * Texture1.Sample(TexSampler, pixel.uv).rgb;
+    float local4 = pixel.diffuse.a * Texture1.Sample(TexSampler, pixel.uv).a;
+    result.fragment = CombineRGBWithAlpha(local3, local4);
+    // END GENERATED CODE
+
+    return result;
+}
+
+P2F mainTxTk(V2P pixel)
+{
+    P2F result;
+
+    // we need to normalize incoming vectors
+    float3 surfaceNormal = normalize(pixel.normal);
+    float3 surfaceTangent = normalize(pixel.tangent.xyz);
+    float3 worldNormal = normalize(pixel.worldNorm);
+    float3 toEyeVector = normalize(pixel.toEye);
+
+    // construct tangent matrix
+    float3x3 localToTangent = transpose(float3x3(surfaceTangent, cross(surfaceNormal, surfaceTangent) * pixel.tangent.w, surfaceNormal));
+    float3x3 worldToTangent = mul((float3x3)WorldToLocal4x4, localToTangent);
+
+    // transform some vectors into tangent space
+    float3 tangentLightDir = normalize(mul(LightDirection[0], worldToTangent));
+    float3 tangentToEyeVec = normalize(mul(toEyeVector, worldToTangent));
+
+    // BEGIN GENERATED CODE
+    float3 local3 = pixel.diffuse.rgb * Texture1.Sample(TexSampler, pixel.uv).rgb;
+    float local4 = pixel.diffuse.a * Texture1.Sample(TexSampler, pixel.uv).a;
+    result.fragment = CombineRGBWithAlpha(local3, local4);
+    // END GENERATED CODE
+
+    if (result.fragment.a == 0.0f) discard;
+
+    return result;
+}
+