PC World Komputer 2010 April/PCWorld0410.iso/hity wydania/trueSpace 7.6/tS761B8Std.exe/{app}/Scripts/D3D/RsD3DMaterialFromME_Template_Fallback.fx

Text File | 2008-06-10 | 25.5 KB | 739 lines

#line 3 "MainD3DShaderTemplate"

//------------------------------
//Fallback parameters start here
//------------------------------

//Diffuse color parameters
//Final diffuse color is computed using this equation
//DiffuseColor = VertexColor * ps11fal_VertexColorMod + ps11fal_DiffuseColor + ps11fal_DiffuseMapMod * ps11fal_DiffuseMap
texture ps11fal_DiffuseMap      : RsD3Dps11Fal_DiffuseMap;
float4  ps11fal_DiffuseColor    : RsD3Dps11Fal_DiffuseColor     = float4(0.0, 0.0, 0.0, 0.0);
float4  ps11fal_DiffuseMapMod   : RsD3Dps11Fal_DiffuseMapMod    = float4(0.0, 0.0, 0.0, 0.0);
float4  ps11fal_VertexColorMod  : RsD3Dps11Fal_VertexColorMod   = float4(0.7, 0.7, 0.7, 1.0);

texture ps11fal_NormalMap       : RsD3Dps11Fal_NormalMap;
float4  ps11fal_SpecularColor   : RsD3Dps11Fal_SpecularColor    = float4(1.0, 1.0, 1.0, 1.0);
float   ps11fal_Shininess       : RsD3Dps11Fal_Shininess        = 20.0;
//float4 ps11fal_ : RsD3Dps11Fal_;

//------------------------------
//The default light processing
//
//ps11fal_LightToggle is used to toggle between directional or positional light.
//It is actually used in LERP between real light_to_point vector and ps11fal_LightDir
//if ps11fal_LightToggle == 1 then only ps11fal_LightDir is used.
//
//Light attenuation is computed as saturate(1 / (Att.x * dist^2 + Att.y * dist + Att.z))
//Att = ps11fal_LightAtten;
//Attenuation start is added to the equation by modification of the distance vector
//dist = max(0, real_dist - AttenStart);
float4 ps11fal_LightPos         : RsD3Dps11Fal_LightPosition    = float4(0.0, 0.0, 0.0, 1.0);
float3 ps11fal_LightDir         : RsD3Dps11Fal_LightDirection   = float3(0.0, 0.0, 0.0);
float  ps11fal_LightToggle      : RsD3Dps11Fal_LightToggle      = 0.0;
float4 ps11fal_LightColor       : RsD3Dps11Fal_LightColor       = float4(1.0, 1.0, 1.0, 1.0);
float  ps11fal_LightAttenStart  : RsD3Dps11Fal_LightAttenStart  = 0.0;
float3 ps11fal_LightAtten       : RsD3Dps11Fal_LightAtten       = float3(0.0, 0.0, 1.0);

//------------------------------
//Texture coordinates processing
//
float  ps11fal_TCScaleX         : RsD3Dps11Fal_TCScaleX         = 1.0;
float  ps11fal_TCScaleY         : RsD3Dps11Fal_TCScaleY         = 1.0;
float  ps11fal_TCMoveX          : RsD3Dps11Fal_TCMoveX          = 0.0;
float  ps11fal_TCMoveY          : RsD3Dps11Fal_TCMoveY          = 0.0;

//------------------------------
//PS 1.4 Specular maps
//
texture ps11fal_PS14SpecularMap       : RsD3Dps11Fal_PS14SpecularMap;

sampler ps11fal_smplDiffuse = sampler_state {
    Texture = <ps11fal_DiffuseMap>;

    MinFilter = LINEAR;
    MagFilter = LINEAR;
    MipFilter = LINEAR;

    AddressU = WRAP;
    AddressV = WRAP;
};

sampler ps11fal_smplNormal = sampler_state {
    Texture = <ps11fal_NormalMap>;

    MinFilter = LINEAR;
    MagFilter = LINEAR;
    MipFilter = LINEAR;

    AddressU = WRAP;
    AddressV = WRAP;
};

sampler ps11fal_smplSpecular = sampler_state {
    Texture = <ps11fal_PS14SpecularMap>;

    MinFilter = LINEAR;
    MagFilter = LINEAR;
    MipFilter = LINEAR;

    AddressU = CLAMP;
    AddressV = CLAMP;
};

float RsD3DComputeShininess()
{
    return (ps11fal_Shininess<=1.0f) ? 20.0f : ps11fal_Shininess;
}

float3x3 RsD3DComputeTangentTransform(float3 vTangent, float3 vNormal, in float3x3 mToWorld) {
    float3x3 mToTangent;
    mToTangent[0] = normalize(mul(vTangent, mToWorld));
    mToTangent[2] = normalize(mul(vNormal, mToWorld));
    mToTangent[1] = cross(mToTangent[0], mToTangent[2]);
    return mToTangent;
}

float2 RsD3DComputeTexCoords(float2 vInputCoords) {
    float2 vRetVal = vInputCoords;
    vRetVal.x = vInputCoords.x * ps11fal_TCScaleX + ps11fal_TCMoveX;
    vRetVal.y = vInputCoords.y * ps11fal_TCScaleY + ps11fal_TCMoveY;
    return vRetVal;
}

//------------------------------
// This is a fallback code for PS 2.0 hardware
// We do per pixel diffuse and per pixel specular
//------------------------------
struct VS_OUTPUT_PS20 {
    float4 vClipPos     : POSITION;     //Clipping space position
    float2 tcCoord      : TEXCOORD0;    //texture coordinates
    float3 vLight       : TEXCOORD1;    //light vector
    float3 vEye         : TEXCOORD2;    //eye vector
    float4 vDistToLight : TEXCOORD3;    //distance from light
    float4 cVertexColor : TEXCOORD4;    //vertex color
};

VS_OUTPUT_PS20 VS_Fallback_ForPS20HW(in D3_VERTEXINPUT input)
{
    VS_OUTPUT_PS20 output;

    //Following code outputs position and texture coordinates
    //------------------------------
    output.vClipPos = mul(input.D3_pInputPosition, D3_mObjectToClip); //vertex clip position
    output.tcCoord = RsD3DComputeTexCoords(input.D3_vInputTexCoords1); //Texture coordinates for color texture

    float4 pVertexWorld = mul(input.D3_pInputPosition, D3_mObjectToWorld);    //Transform vertex into world position
    float3x3 mToTangent = RsD3DComputeTangentTransform(input.D3_vInputTangent, input.D3_vInputNormal, D3_mObjectToWorldN);

    //Compute light and eye vectors
    //------------------------------
    float3 vToLight = lerp(ps11fal_LightPos.xyz - pVertexWorld.xyz, -ps11fal_LightDir, ps11fal_LightToggle);
    output.vLight = mul(mToTangent, normalize(vToLight));
    float  fRealDistToLight = length(vToLight);
    float fDistToLight = max(0, fRealDistToLight - ps11fal_LightAttenStart);
    output.vDistToLight = fDistToLight;

    float3 vToEye = normalize(D3_pEye - pVertexWorld);
    output.vEye = mul(mToTangent, vToEye);

    output.cVertexColor = input.D3_cInputColor * ps11fal_VertexColorMod + ps11fal_DiffuseColor;

    return output;
}

float4 PS_Fallback_ForPS20HW(in VS_OUTPUT_PS20 input) : COLOR0
{
    float4 cDecal = tex2D(ps11fal_smplDiffuse, input.tcCoord);
    float3 cNormal = tex2D(ps11fal_smplNormal, input.tcCoord).xyz;
    float3 vNormal = normalize(2.0f * cNormal - 1.0f);    //expand to the range -1,1
    float3 vEye = normalize(input.vEye);
    float3 vLight = normalize(input.vLight);

    //Compute final light color with respect to the attenuation
    //------------------------------
    float fDistToLight = input.vDistToLight.w;
    float fAttenuation = ps11fal_LightAtten.x * fDistToLight * fDistToLight + ps11fal_LightAtten.y * fDistToLight + ps11fal_LightAtten.z;
    float4 cLightColor = ps11fal_LightColor * saturate(1.0f / fAttenuation);

    float3 vRefVec = dot(vLight, vNormal) * 2 * vNormal - vLight;
    float fEyeDotRef = max(0, dot(vRefVec, vEye));
    float4 cSpecularCol = ps11fal_SpecularColor * pow(fEyeDotRef, RsD3DComputeShininess());

    float fDiffuseDot = saturate(dot(vNormal, vLight));
    float4 diffuseColor = input.cVertexColor + ps11fal_DiffuseMapMod * cDecal;
    float4 cOut = cLightColor * (cSpecularCol + diffuseColor * fDiffuseDot);
    cOut.a = diffuseColor.a;
    return cOut;
}

technique D3_FALLBACK_TECHNIQUE_PS20
<
    string Rs_PSVersion = "PS_2_0";
    string Rs_TechniqueMode = "firstlight";
>
{
    pass D3_FALLBACK_PASS_02_PS20
    {
        VertexShader = compile vs_2_0 VS_Fallback_ForPS20HW();
        PixelShader = compile ps_2_0 PS_Fallback_ForPS20HW();

        AlphaBlendEnable = false;

        ZEnable = true;
        ZFunc = LESSEQUAL;
        ZWriteEnable = true;

        CullMode = CCW;
    }
}

technique D3_FALLBACK_TECHNIQUE_PS20_MORELIGHTS
<
    string Rs_PSVersion = "PS_2_0";
    string Rs_TechniqueMode = "morelights";
>
{
    pass D3_FALLBACK_PASS_02_PS20
    {
        VertexShader = compile vs_2_0 VS_Fallback_ForPS20HW();
        PixelShader = compile ps_2_0 PS_Fallback_ForPS20HW();

        AlphaBlendEnable = true;
        SrcBlend = ONE;
        DestBlend = ONE;

        ZEnable = true;
        ZFunc = EQUAL;
        ZWriteEnable = false;

        CullMode = CCW;
    }
}

//------------------------------
// This is a fallback code for PS 1.4 hardware
// We do per pixel diffuse and per pixel specular. Attenuation is computed per vertex.
//------------------------------
struct VS_OUTPUT_PS14 {
    float4 vClipPos     : POSITION;     //Clipping space position
    float2 tcCoord      : TEXCOORD0;    //texture coordinates
    float3 vLight       : TEXCOORD1;    //light vector
    float3 vEye         : TEXCOORD2;    //eye vector
    float4 cLightColor  : COLOR1;       //light color with attenuation
    float4 cVertexColor : COLOR0;       //vertex color
};

VS_OUTPUT_PS14 VS_Fallback_ForPS14HW(in D3_VERTEXINPUT input)
{
    VS_OUTPUT_PS14 output;

    //Following code outputs position and texture coordinates
    //------------------------------
    output.vClipPos = mul(input.D3_pInputPosition, D3_mObjectToClip); //vertex clip position
    output.tcCoord = RsD3DComputeTexCoords(input.D3_vInputTexCoords1); //Texture coordinates for color texture
    float4 pVertexWorld = mul(input.D3_pInputPosition, D3_mObjectToWorld);    //Transform vertex into world position

    float3x3 mToTangent = RsD3DComputeTangentTransform(input.D3_vInputTangent, input.D3_vInputNormal, D3_mObjectToWorldN);

    //Compute light and eye vectors
    //------------------------------
    float3 vToLight = lerp(ps11fal_LightPos.xyz - pVertexWorld.xyz, -ps11fal_LightDir, ps11fal_LightToggle);
    float  fRealDistToLight = length(vToLight);
    vToLight = normalize(vToLight);

    float3 vToEye = normalize(D3_pEye - pVertexWorld);

    //Compute final light color with respect to the attenuation
    //------------------------------
    float fDistToLight = max(0, fRealDistToLight - ps11fal_LightAttenStart);
    float fAttenuation = ps11fal_LightAtten.x * fDistToLight * fDistToLight + ps11fal_LightAtten.y * fDistToLight + ps11fal_LightAtten.z;
    fAttenuation = saturate(1 / fAttenuation);
    output.cLightColor = ps11fal_LightColor * fAttenuation;

    //Compute final per vertex color using
    //------------------------------
    output.cVertexColor = input.D3_cInputColor * ps11fal_VertexColorMod + ps11fal_DiffuseColor;

    output.vLight = mul(mToTangent, vToLight);
    output.vEye = mul(mToTangent, vToEye);

    return output;
}

float4 PS_Fallback_ForPS14HW(in VS_OUTPUT_PS14 input) : COLOR0
{
    float4 cDecal = tex2D(ps11fal_smplDiffuse, input.tcCoord);
    float3 cNormal = tex2D(ps11fal_smplNormal, input.tcCoord).xyz;
    float3 vNormal = 2.0f * cNormal - 1.0f;
    float3 vLight = input.vLight;

    float fNdotL = dot(vLight, vNormal);
    float4 diffuseColor = input.cVertexColor + ps11fal_DiffuseMapMod * cDecal;

    //Specular term
    float3 vEye = input.vEye;
    float3 vRefVec = 2.0f * fNdotL * vNormal - vLight;
    float2 vCoord;
    vCoord.x = dot(vEye, vRefVec);
    vCoord.y = RsD3DComputeShininess() / 100.0f;
    float4 cSpecularTerm = tex2D(ps11fal_smplSpecular, vCoord);
    float4 cSpecularCol = ps11fal_SpecularColor * cSpecularTerm.a;

    float4 cOut;
    cOut.rgb = input.cLightColor * (cSpecularCol + diffuseColor * saturate(fNdotL));
    cOut.a = diffuseColor.a;
    return cOut;
}

technique D3_FALLBACK_TECHNIQUE_PS14
<
    string Rs_PSVersion = "PS_1_4";
    string Rs_TechniqueMode = "firstlight";
>
{
    pass D3_FALLBACK_PASS_02_PS20
    {
        VertexShader = compile vs_1_1 VS_Fallback_ForPS14HW();
        PixelShader = compile ps_1_4 PS_Fallback_ForPS14HW();

        AlphaBlendEnable = false;
        ZEnable = true;
        ZFunc = LESSEQUAL;
        ZWriteEnable = true;

        CullMode = CCW;
    }
}

technique D3_FALLBACK_TECHNIQUE_PS14_MORELIGHT
<
    string Rs_PSVersion = "PS_1_4";
    string Rs_TechniqueMode = "morelights";
>
{
    pass D3_FALLBACK_PASS_02_PS20
    {
        VertexShader = compile vs_1_1 VS_Fallback_ForPS14HW();
        PixelShader = compile ps_1_4 PS_Fallback_ForPS14HW();

        AlphaBlendEnable = true;
        SrcBlend = ONE;
        DestBlend = ONE;

        ZEnable = true;
        ZFunc = EQUAL;
        ZWriteEnable = false;

        CullMode = CCW;
    }
}

//------------------------------
// This is a fallback code for PS 1.1 hardware
// We do per pixel diffuse and per vertex specular
//------------------------------
struct VS_OUTPUT_PS11 {
    float4 vClipPos     : POSITION; //Clipping space position
    float4 cVertexColor : COLOR0;   //vertex color
    float4 cLightColor  : COLOR1;   //light color with attenuation
    float2 tcCoord0     : TEXCOORD0;//texture coordinates
    float2 tcCoord1     : TEXCOORD1;//texture coordinates
    float3 vLight       : TEXCOORD2;//light vector
    float4 cSpecularCol : TEXCOORD3;//complete specular color component
};

VS_OUTPUT_PS11 VS_Fallback_ForPS11HW(in D3_VERTEXINPUT input)
{
    VS_OUTPUT_PS11 output;

    //Following code outputs position and texture coordinates
    //------------------------------
    output.vClipPos = mul(input.D3_pInputPosition, D3_mObjectToClip); //vertex clip position
    float4 pVertexWorld = mul(input.D3_pInputPosition, D3_mObjectToWorld);    //Transform vertex into world position

    float3x3 mToTangent = RsD3DComputeTangentTransform(input.D3_vInputTangent, input.D3_vInputNormal, D3_mObjectToWorldN);

    //Compute light and eye vectors
    //------------------------------
    float3 vToLight = lerp(ps11fal_LightPos.xyz - pVertexWorld.xyz, -ps11fal_LightDir, ps11fal_LightToggle);
    float  fRealDistToLight = length(vToLight);
    vToLight = normalize(vToLight);

    float3 vToEye = normalize(D3_pEye - pVertexWorld);

    //Compute final light color with respect to the attenuation
    //------------------------------
    float fDistToLight = max(0, fRealDistToLight - ps11fal_LightAttenStart);
    float fAttenuation = ps11fal_LightAtten.x * fDistToLight * fDistToLight + ps11fal_LightAtten.y * fDistToLight + ps11fal_LightAtten.z;
    fAttenuation = saturate(1 / fAttenuation);
    output.cLightColor = ps11fal_LightColor * fAttenuation;

    //Compute final per vertex color using
    //------------------------------
    float3 vRefVec = dot(vToLight, mToTangent[2]) * 2 * mToTangent[2] - vToLight;
    float fEyeDotRef = max(0, dot(vRefVec, vToEye));

    output.tcCoord0 = RsD3DComputeTexCoords(input.D3_vInputTexCoords1); //Texture coordinates for color texture
    output.tcCoord1 = output.tcCoord0;                                 //Texture coordinates for normal texture

    output.cSpecularCol = output.cLightColor * ps11fal_SpecularColor * pow(fEyeDotRef, RsD3DComputeShininess());
    output.cVertexColor = input.D3_cInputColor * ps11fal_VertexColorMod + ps11fal_DiffuseColor;

    output.vLight = mul(mToTangent, vToLight);
    output.vLight = 0.5 * output.vLight + 0.5;

    return output;
}

float4 PS_Fallback_ForPS11HW(in VS_OUTPUT_PS11 input) : COLOR0
{
    float4 cDecal = tex2D(ps11fal_smplDiffuse, input.tcCoord0);
    float3 cNormal = tex2D(ps11fal_smplNormal, input.tcCoord1).xyz;
    float3 vNormal = 2.0f * cNormal - 1.0f;    //expand to the range -1,1
    float3 vLight = 2.0f * input.vLight - 1.0f;    //expand to the range -1,1
    float fDiffuseDot = saturate(dot(vNormal, vLight));
    float4 diffuseColor = input.cVertexColor + ps11fal_DiffuseMapMod * cDecal;
    float4 cOut = input.cSpecularCol + input.cLightColor * diffuseColor * fDiffuseDot;
    cOut.a = diffuseColor.a;
    return cOut;
}

technique D3_FALLBACK_TECHNIQUE_PS11
<
    string Rs_PSVersion = "PS_1_1";
    string Rs_TechniqueMode = "firstlight";
>
{
    pass D3_FALLBACK_PASS_02_PS11
    {
        VertexShader = compile vs_1_1 VS_Fallback_ForPS11HW();
        PixelShader = compile ps_1_1 PS_Fallback_ForPS11HW();

        AlphaBlendEnable = false;
        ZEnable = true;
        ZFunc = LESSEQUAL;
        ZWriteEnable = true;

        CullMode = CCW;
    }
}

technique D3_FALLBACK_TECHNIQUE_PS11_MORELIGHT
<
    string Rs_PSVersion = "PS_1_1";
    string Rs_TechniqueMode = "morelights";
>
{
    pass D3_FALLBACK_PASS_02_PS11
    {
        VertexShader = compile vs_1_1 VS_Fallback_ForPS11HW();
        PixelShader = compile ps_1_1 PS_Fallback_ForPS11HW();

        AlphaBlendEnable = true;

        SrcBlend = ONE;
        DestBlend = ONE;

        ZEnable = true;
        ZFunc = EQUAL;
        ZWriteEnable = false;

        CullMode = CCW;
    }
}

//------------------------------
// This is a fallback code for old DX7 hardware with the DOT3 capabilities
// Specular is computed per vertex, diffuse is computed per pixel
//------------------------------
//TODO: Here comes the DOT3 technique

//------------------------------
// This is a fallback code for old DX7 hardware even without DOT3 capabilities
// Entire lighting is computed per vertex and diffuse texture is used.
//------------------------------
struct VS_OUTPUT_SIMPLE_DX7 {
    float4 vClipPos: POSITION;      //Clipping space position
    float2 tcCoord0: TEXCOORD0;     //Texture coordinates
    float4 cColor0 : COLOR0;        //diffuse map mod
    float4 cColor1 : COLOR1;        //specular color + diffuse color mod
};

VS_OUTPUT_SIMPLE_DX7 VS_Fallback_Simple_DX7(in D3_VERTEXINPUT input) {
    VS_OUTPUT_SIMPLE_DX7 output;

    //Following code outputs position and texture coordinates
    //------------------------------
    output.vClipPos = mul(input.D3_pInputPosition, D3_mObjectToClip); //vertex clip position
    output.tcCoord0 = RsD3DComputeTexCoords(input.D3_vInputTexCoords1); //Texture coordinates for color texture
    float4 pVertexWorld = mul(input.D3_pInputPosition, D3_mObjectToWorld);    //Transform vertex into world position

    //Compute light and eye vectors
    //------------------------------
    float3 vToLight = lerp(ps11fal_LightPos.xyz - pVertexWorld.xyz, -ps11fal_LightDir, ps11fal_LightToggle);
    float  fRealDistToLight = length(vToLight);
    vToLight = normalize(vToLight);

    float3 vToEye = normalize(D3_pEye - pVertexWorld);

    //Compute final light color with respect to the attenuation
    //------------------------------
    float fDistToLight = max(0, fRealDistToLight - ps11fal_LightAttenStart);
    float fAttenuation = ps11fal_LightAtten.x * fDistToLight * fDistToLight + ps11fal_LightAtten.y * fDistToLight + ps11fal_LightAtten.z;
    fAttenuation = saturate(1 / fAttenuation);
    float4 output_cLightColor = ps11fal_LightColor * fAttenuation;

    //Compute final per vertex color using light/specular/diffuse
    //------------------------------
    float3 vNormal = normalize(mul(input.D3_vInputNormal, D3_mObjectToWorldN));
    float3 vRefVec = dot(vToLight, vNormal) * 2 * vNormal - vToLight;
    float fEyeDotRef = max(0, dot(vRefVec, vToEye));

    float4 output_cSpecularCol = ps11fal_SpecularColor * pow(fEyeDotRef, RsD3DComputeShininess());
    float4 output_cVertexColor = input.D3_cInputColor * ps11fal_VertexColorMod + ps11fal_DiffuseColor;

    float fDiffuseDot = saturate(dot(vNormal, vToLight));
    output.cColor0.xyz = saturate(output_cLightColor * ps11fal_DiffuseMapMod * fDiffuseDot);
    output.cColor0.a = 1.0f;

    output.cColor1.xyz = saturate(output_cLightColor * (output_cSpecularCol + (output_cVertexColor * fDiffuseDot)));
    output.cColor1.a = 1.0f;
    return output;
}

//The Dx7 without explicit texture cascade
technique D3_FALLBACK_TECHNIQUE_DX7_NOMADD
<
    string Rs_PSVersion = "PS_NONE";
    string Rs_TechniqueMode = "firstlight";
>
{
    pass D3_FALLBACK_PASS_02
    {
        VertexShader = compile vs_1_1 VS_Fallback_Simple_DX7();
        PixelShader = NULL;

        AlphaBlendEnable = false;
        ZEnable = true;
        ZFunc = LESSEQUAL;
        ZWriteEnable = true;

        // Set texture filtering.
        MinFilter[0] = Linear;
        MagFilter[0] = Linear;
        MipFilter[0] = Point;

        // Set texture into stage 0.
        Texture[0]   = (ps11fal_DiffuseMap);

        SpecularEnable = true;
        ColorVertex = true;
        Lighting = false;
        ShadeMode = GOURAUD;

        CullMode = CCW;
    }
}

technique D3_FALLBACK_TECHNIQUE_DX7_NOMADD_MORELIGHTS
<
    string Rs_PSVersion = "PS_NONE";
    string Rs_TechniqueMode = "morelights";
>
{
    pass D3_FALLBACK_PASS_02
    {
        VertexShader = compile vs_1_1 VS_Fallback_Simple_DX7();
        PixelShader = NULL;

        AlphaBlendEnable = true;

        SrcBlend = ONE;
        DestBlend = ONE;

        ZEnable = true;
        ZFunc = EQUAL;
        ZWriteEnable = false;

        // Set texture filtering.
        MinFilter[0] = Linear;
        MagFilter[0] = Linear;
        MipFilter[0] = Point;

        // Set texture into stage 0.
        Texture[0]   = (ps11fal_DiffuseMap);

        SpecularEnable = true;
        ColorVertex = true;
        Lighting = false;
        ShadeMode = GOURAUD;

        CullMode = CCW;
    }
}

struct VS_OUTPUT_SIMPLE_DX7_NOTEX {
    float4 vClipPos: POSITION;      //Clipping space position
    float4 cColor0 : COLOR0;        //diffuse map mod
};

VS_OUTPUT_SIMPLE_DX7_NOTEX VS_Fallback_Simple_DX7NOTEX(in D3_VERTEXINPUT input) {
    VS_OUTPUT_SIMPLE_DX7_NOTEX output;

    //Following code outputs position and texture coordinates
    //------------------------------
    output.vClipPos = mul(input.D3_pInputPosition, D3_mObjectToClip); //vertex clip position
    float4 pVertexWorld = mul(input.D3_pInputPosition, D3_mObjectToWorld);    //Transform vertex into world position

    //Compute light and eye vectors
    //------------------------------
    float3 vToLight = lerp(ps11fal_LightPos.xyz - pVertexWorld.xyz, -ps11fal_LightDir, ps11fal_LightToggle);
    float  fRealDistToLight = length(vToLight);
    vToLight = normalize(vToLight);

    float3 vToEye = normalize(D3_pEye - pVertexWorld);

    //Compute final light color with respect to the attenuation
    //------------------------------
    float fDistToLight = max(0, fRealDistToLight - ps11fal_LightAttenStart);
    float fAttenuation = ps11fal_LightAtten.x * fDistToLight * fDistToLight + ps11fal_LightAtten.y * fDistToLight + ps11fal_LightAtten.z;
    fAttenuation = saturate(1 / fAttenuation);
    float4 output_cLightColor = ps11fal_LightColor * fAttenuation;

    //Compute final per vertex color using light/specular/diffuse
    //------------------------------
    float3 vNormal = normalize(mul(input.D3_vInputNormal, D3_mObjectToWorldN));
    float3 vRefVec = dot(vToLight, vNormal) * 2 * vNormal - vToLight;
    float fEyeDotRef = max(0, dot(vRefVec, vToEye));

    float4 output_cSpecularCol = ps11fal_SpecularColor * pow(fEyeDotRef, RsD3DComputeShininess());
    float4 output_cVertexColor = input.D3_cInputColor * ps11fal_VertexColorMod + ps11fal_DiffuseColor;

    float fDiffuseDot = saturate(dot(vNormal, vToLight));
    float4 vOutFinal0 = saturate(output_cLightColor * ps11fal_DiffuseMapMod * fDiffuseDot);

    float4 vOutFinal1 = saturate(output_cLightColor * (output_cSpecularCol + (output_cVertexColor * fDiffuseDot)));
    output.cColor0.xyz = vOutFinal0 + vOutFinal1;
    output.cColor0.a = 1.0f;
    return output;
}

//DX7 technique for HW without textures - all per vertex
technique D3_FALLBACK_TECHNIQUE_DX7
<
    string Rs_PSVersion = "PS_NONE";
    string Rs_TechniqueMode = "firstlight";
>
{
    pass D3_FALLBACK_PASS_02
    {
        VertexShader = compile vs_1_1 VS_Fallback_Simple_DX7NOTEX();
        PixelShader = NULL;

        AlphaBlendEnable = false;

        ZEnable = true;
        ZFunc = LESSEQUAL;
        ZWriteEnable = true;

        Lighting = false;
        ShadeMode = GOURAUD;

        CullMode = CCW;
    }
}

technique D3_FALLBACK_TECHNIQUE_DX7_MORELIGHTS
<
    string Rs_PSVersion = "PS_NONE";
    string Rs_TechniqueMode = "morelights";
>
{
    pass D3_FALLBACK_PASS_02
    {
        VertexShader = compile vs_1_1 VS_Fallback_Simple_DX7NOTEX();
        PixelShader = NULL;

        AlphaBlendEnable = true;

        SrcBlend = ONE;
        DestBlend = ONE;

        ZEnable = true;
        ZFunc = EQUAL;
        ZWriteEnable = false;

        Lighting = false;
        ShadeMode = GOURAUD;

        CullMode = CCW;
    }
}

//------------------------------
// This is a fallback code for absolutely weird hardware
// No texture, just vertex colors
//------------------------------
struct VS_OUTPUT_SIMPLE {
    float4 vClipPos: POSITION;  //Clipping space position
    float4 cColor  : COLOR;     //vertex color
};

VS_OUTPUT_SIMPLE VS_Fallback_Simple(float4 vPosition : POSITION, float3 vNormal : NORMAL, float4 cColor : COLOR) {
    VS_OUTPUT_SIMPLE output;

    output.vClipPos = mul(vPosition, D3_mObjectToClip);         //vertex clip position
    float4 pVertexWorld = mul(vPosition, D3_mObjectToWorld);    //Transform vertex into world position

    float3 vLight = normalize(D3_pEye - pVertexWorld);
    vNormal = normalize(mul(vNormal, D3_mObjectToWorldN));

    float Diffuse = saturate(dot(vNormal, vLight));
    output.cColor = cColor * Diffuse;
    return output;
}

technique D3_FALLBACK_TECHNIQUE
<
    string Rs_PSVersion = "PS_NONE";
    string Rs_TechniqueMode = "firstlight";
>
{
    pass D3_FALLBACK_PASS_02
    {
        VertexShader = compile vs_1_1 VS_Fallback_Simple();
        PixelShader = NULL;

        AlphaBlendEnable = false;

        ZEnable = true;
        ZFunc = LESSEQUAL;
        ZWriteEnable = true;

        CullMode = CCW;
    }
}

technique D3_FALLBACK_TECHNIQUE_MORELIGHT
<
    string Rs_PSVersion = "PS_NONE";
    string Rs_TechniqueMode = "morelights";
>
{
    pass D3_FALLBACK_PASS_02
    {
        VertexShader = compile vs_1_1 VS_Fallback_Simple();
        PixelShader = NULL;

        AlphaBlendEnable = false;

        ZEnable = true;
        ZFunc = NEVER;
        ZWriteEnable = false;

        CullMode = CCW;
    }
}