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objectguid="1473613511_28199_19656_142_150_59_31_21_147_173_150" objectname="NVLight_Spot Object" progid="nvsys.NVLight_Spot.1"/><object objectid="17" objectguid="1675712286_15683_20022_149_108_42_250_122_123_231_64" objectname="NVCamera Object" progid="nvsys.NVCamera.1"/><object objectid="13" objectguid="1678389611_25173_17222_180_188_41_169_29_0_144_170" objectname="NVGeoPipeObject_Teapot Object" progid="nvrenderdevice9.Teapot.1"/><object objectid="8" objectguid="1755565597_56309_18722_149_152_96_3_18_125_126_123" objectname="NVCalculator_Assign Object" progid="nvsys.NVCalculator_Assign.1"/><object objectid="18" objectguid="2342579002_10168_19906_178_150_26_144_17_106_220_182" objectname="NVTransformLink Object" progid="nvsys.NVTransformLink.1"/><object objectid="15" objectguid="2516468428_38854_16959_155_101_192_176_42_10_71_202" objectname="NVGeoPipeObject_MeshMender Object" progid="nvsys.NVGeoPipeObject_MeshMender.1"/><object objectid="6" objectguid="3098681227_22869_16810_191_237_249_13_61_143_28_123" objectname="NVCalculator_Load Object" progid="nvsys.NVCalculator_Load.1"/><object objectid="2" objectguid="3275223899_28196_19999_162_153_111_232_35_119_165_23" objectname="NVParameterList Object" progid="nvsys.NVParameterList.1"/><object objectid="14" objectguid="4057994036_6371_17546_152_57_13_140_51_98_219_190" objectname="NVGeoPipeObject_TexGen Object" progid="nvsys.NVGeoPipeObject_TexGen.1"/><object objectid="7" objectguid="4162726501_8958_17137_170_77_131_38_3_90_246_20" objectname="NVCalculator_Mul Object" progid="nvsys.NVCalculator_Mul.1"/></objects><media_objects><effect path="F:\devrel\SDK\MEDIA\HLSL\PerfTutor.fx"><![CDATA[/*********************************************************************NVMH3****

Path:  NVSDK\Common\media\cgfx

File:  $Id: //sw/devrel/SDK/MEDIA/HLSL/PerfTutor.fx#7 $



Copyright NVIDIA Corporation 2002

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS SOFTWARE IS PROVIDED

*AS IS* AND NVIDIA AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES, EITHER EXPRESS

OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY

AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL NVIDIA OR ITS SUPPLIERS

BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES

WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS,

BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR ANY OTHER PECUNIARY LOSS)

ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF NVIDIA HAS

BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.



Mini-Style Guide:

	Shader parameter names start with Caps.

	Connector member names start with Caps.

	Local shader variable names generally start with lower case letters.

	L, P, N, V are typical Light vector, Point, Normal, View.

	Vectors that are normalized have names that end in "n" (except "Nb").

	When possible use float3 calculations to free-up w terms for compiler.



******************************************************************************/



// Compile-time flags

// feature flags

//#define DO_COLORTEX

//#define DO_BUMP

//#define DO_GLOSSMAP

//#define DO_QUADRATIC

//#define DO_REFLECTION



// performance flags

#define USE_NORMALIZATION_CUBEMAP



/************* "UN-TWEAKABLES," TRACKED BY CPU APPLICATION **************/



float Script : STANDARDSGLOBAL <

    string UIWidget = "none";

    string ScriptClass = "object";

    string ScriptOrder = "standard";

    string ScriptOutput = "color";

    string Script = "Technique=Technique?OnePass:Multipass:AmbiOnly:DirOnly:PtOnly;";

> = 0.8;



float4x4 WorldITXf : WorldInverseTranspose < string UIWidget="None"; > = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};

float4x4 WvpXf : WorldViewProjection < string UIWidget="None"; >;

float4x4 WorldXf : World < string UIWidget="None"; >;

float4x4 ViewIXf : ViewInverse < string UIWidget="None"; >;



///////////////////////////////////////////////////////////////

/// TWEAKABLES ////////////////////////////////////////////////

///////////////////////////////////////////////////////////////



////////////////////////////////////////////// point light



float3 PointLightPos : POSITION <

	string UIName = "Point Pos";

	string Object = "PointLight";

	string Space = "World";

> = {10.0f, 10.0f, 10.0f};



float3 PointLightColor : SPECULAR <

	string UIName = "Point Color";

	string UIWidget = "Color";

> = {0.8f, 1.0f, 0.4f};



#ifdef DO_QUADRATIC

#define MAX_INTENSITY 25.0

#define DEFAULT_INTENSITY 2.0

#else /* ! DO_QUADRATIC */

#define MAX_INTENSITY 1.2

#define DEFAULT_INTENSITY 0.8

#endif /* ! DO_QUADRATIC */



float PointLightIntensity <

	string UIName = "Point Intensity";

	string UIWidget = "slider";

	float UIMin = 0.0;

	float UIMax = MAX_INTENSITY;

	float UIStep = 0.1;

> = DEFAULT_INTENSITY;



////////////////////////////////////////////// directional light



float3 DirLight : DIRECTION <

	string UIName = "Dir Light";

	string Object = "DirectionalLight";

	string Space = "World";

> = {0.707f, 0.707f, -0.707f};



float3 DirLightColor : SPECULAR <

	string UIName = "Dir Light Color";

	string UIWidget = "Color";

> = {0.3f, 0.3f, 0.8f};



////////////////////////////////////////////// ambient light



float3 AmbiLightColor : Ambient

<

    string UIName = "Ambient Light Color";

> = {0.07f, 0.07f, 0.07f};



////////////////////////////////////////////// surface



float3 SurfColor : DIFFUSE

<

    string UIName = "Surface Color";

	string UIWidget = "Color";

> = {1.0f, 0.7f, 0.3f};



float Kd

<

    string UIWidget = "slider";

    float UIMin = 0.0;

    float UIMax = 1.5;

    float UIStep = 0.01;

    string UIName = "Diffuse";

> = 1.0;



float Ks

<

    string UIWidget = "slider";

    float UIMin = 0.0;

    float UIMax = 1.5;

    float UIStep = 0.01;

    string UIName = "Specular";

> = 1.0;





float SpecExpon : SpecularPower

<

    string UIWidget = "slider";

    float UIMin = 1.0;

    float UIMax = 128.0;

    float UIStep = 1.0;

    string UIName = "Specular power";

> = 12.0;



float Metalness

<

    string UIWidget = "slider";

    float UIMin = 0.0;

    float UIMax = 1.0;

    float UIStep = 0.1;

    string UIName = "Metalness";

> = 0.2;



#ifdef DO_REFLECTION

float Kr

<

    string UIWidget = "slider";

    float UIMin = 0.0;

    float UIMax = 1.5;

    float UIStep = 0.01;

    string UIName = "Reflection Max";

> = 1.0;



float KrMin

<

    string UIWidget = "slider";

    float UIMin = 0.0;

    float UIMax = 0.2;

    float UIStep = 0.001;

    string UIName = "Reflection Min";

> = 0.002;



float FresExp : SpecularPower

<

    string UIWidget = "slider";

    float UIMin = 1.0;

    float UIMax = 7.0;

    float UIStep = 0.1;

    string UIName = "Edging of fresnel effect";

> = 5.0;

#endif /* DO_REFLECTION */



#ifdef DO_BUMP

float Bumpy

<

    string UIWidget = "slider";

    float UIMin = 0.0;

    float UIMax = 10.0;

    float UIStep = 0.1;

    string UIName = "Bump Height";

> = 1.0;

#endif /* DO_BUMP */



////////////////////////////////////////////////////////

/// TEXTURES ///////////////////////////////////////////

////////////////////////////////////////////////////////



#ifdef DO_COLORTEX

texture ColorTexture : DIFFUSE

<

    string ResourceName = "default_color.dds";

    string ResourceType = "2D";

>;



sampler2D ColorSampler = sampler_state

{

	Texture = <ColorTexture>;

	MinFilter = Linear;

	MagFilter = Linear;

	MipFilter = Linear;

};

#endif /* !DO_COLORTEX */



#ifdef DO_BUMP

texture NormalTexture : NORMAL

<

    string ResourceName = "default_bump_normal.dds";

    string ResourceType = "2D";

>;



sampler2D NormalSampler = sampler_state

{

	Texture = <NormalTexture>;

	MinFilter = Linear;

	MagFilter = Linear;

	MipFilter = Linear;

};

#endif /* DO_BUMP */



//////////////



#ifdef DO_GLOSSMAP

texture GlossTexture : SPECULAR

<

    string ResourceName = "default_gloss.dds";

    string ResourceType = "2D";

>;



sampler2D GlossSampler = sampler_state

{

	Texture = <GlossTexture>;

	MinFilter = Linear;

	MagFilter = Linear;

	MipFilter = Linear;

};

#endif /* !DO_GLOSSMAP */



//////////////



#ifdef DO_REFLECTION

texture EnvTexture : ENVIRONMENT

<

    string ResourceName = "default_reflection.dds";

    string ResourceType = "Cube";

>;



samplerCUBE EnvSampler = sampler_state

{

	Texture = <EnvTexture>;

	MinFilter = Linear;

	MagFilter = Linear;

	MipFilter = Linear;

	AddressU = clamp;

	AddressV = clamp;

	AddressW = clamp;

};

#endif /* DO_REFLECTION */



//////////////



#ifdef USE_NORMALIZATION_CUBEMAP

#include "normalize.fxh"

// only for pixel shaders....

#define NORM my_normalize

#else /* !USE_NORMALIZATION_CUBEMAP */

#define NORM normalize

#endif /* !USE_NORMALIZATION_CUBEMAP */



/*********************************************************/

/************* DATA STRUCTS ******************************/

/*********************************************************/



/* data from application vertex buffer */

struct appdata {

    float3 Position	: POSITION;

    float4 UV		: TEXCOORD0;

    float4 Normal	: NORMAL;

#ifdef DO_BUMP

    float4 Tangent	: TANGENT0;

    float4 Binormal	: BINORMAL0;

#endif /* DO_BUMP */

};



struct vertexOutput {

    float4 HPosition	: POSITION;

    float2 UV			: TEXCOORD0;

    float3 LightVec		: TEXCOORD1;

    float3 WorldNormal	: TEXCOORD2;

    float3 WorldView	: TEXCOORD3;

#ifdef DO_BUMP

    float3 WorldTangent	: TEXCOORD4;

    float3 WorldBinorm	: TEXCOORD5;

#endif /* DO_BUMP */

};



/*********************************************************/

/*********** vertex shader *******************************/

/*********************************************************/



void sharedVS(appdata IN,

	out vertexOutput OUT,

	out float3 Pw

) {

    OUT = (vertexOutput)0;

    OUT.WorldNormal = mul(IN.Normal,WorldITXf).xyz;

#ifdef DO_BUMP

    OUT.WorldTangent = mul(IN.Tangent,WorldITXf).xyz;

    OUT.WorldBinorm = mul(IN.Binormal,WorldITXf).xyz;

#endif /* DO_BUMP */

    float4 Po = float4(IN.Position.xyz,1.0);	// object coordinates

    Pw = mul(Po,WorldXf).xyz;		// world coordinates

    OUT.WorldView = normalize(ViewIXf[3].xyz - Pw);	// obj coords

    OUT.HPosition = mul(Po,WvpXf);	// screen clipspace coords

    OUT.UV = IN.UV.xy;

}



vertexOutput ambiVS(appdata IN) {

    vertexOutput OUT;

	float3 Pw;

	sharedVS(IN,OUT,Pw);

    return OUT;

}



vertexOutput basicVS(appdata IN,

    uniform float3 LightPos	// in world coordinates

) {

    vertexOutput OUT;

	float3 Pw;

	sharedVS(IN,OUT,Pw);

    OUT.LightVec = LightPos - Pw;

    return OUT;

}



/*********************************************************/

/*********** functions for pixel shaders *****************/

/*********************************************************/



// some vectors and colors shared by all lit pixel shaders

void shared_ps_data(vertexOutput IN,

	out float3 Nn,

	out float3 Vn,

	out float Shiny,

	out float3 MatColor

) {

    Nn = NORM(IN.WorldNormal);

#ifdef DO_BUMP

    float3 Tn = NORM(IN.WorldTangent);

    float3 Bn = NORM(IN.WorldBinorm);

    float3 bumps = Bumpy * (tex2D(NormalSampler,IN.UV).xyz-(0.5).xxx);

    Nn = Nn + (bumps.x * Tn + bumps.y * Bn);

    Nn = NORM(Nn);

#endif /* DO_BUMP */

    Vn = NORM(IN.WorldView);

	Shiny = Ks;

#ifdef DO_GLOSSMAP

    Shiny *= tex2D(GlossSampler,IN.UV).x;

#endif /* DO_GLOSSMAP */

	MatColor = SurfColor;

#ifdef DO_COLORTEX

    MatColor *= tex2D(ColorSampler,IN.UV).xyz;

#endif /* DO_COLORTEX */

}



// point light contribution

void point_light_calc(float3 L,

    uniform float3 LightColor,

    uniform float Intensity,

	float3 Vn,float3 Nn,float Shiny,

	out float3 diffResult,

	out float3 specResult

) {

#ifdef DO_QUADRATIC

    float distSquared = dot(L,L);

#ifdef USE_NORMALIZATION_CUBEMAP

    float3 Ln = NORM(L);

#else /* !USE_NORMALIZATION_CUBEMAP */

    float3 Ln = L/ sqrt(distSquared);

#endif /* !USE_NORMALIZATION_CUBEMAP */

#else /* !DO_QUADRATIC */

    float3 Ln = NORM(L);

#endif /* !DO_QUADRATIC */

    float3 Hn = NORM(Vn + Ln);

    float hdn = dot(Hn,Nn);

    float ldn = dot(Ln,Nn);

    float4 litVec = lit(ldn,hdn,SpecExpon);

    ldn = litVec.y * Intensity;

#ifdef DO_QUADRATIC

    ldn /= distSquared; 

#endif /* DO_QUADRATIC */

    diffResult = (ldn * LightColor);

    specResult = ((ldn * litVec.z * Shiny) * LightColor);

}



// directional light contribution

void dir_light_calc(float3 L,

    uniform float3 LightColor,

	float3 Vn,

	float3 Nn,

	float Shiny,

	out float3 diffResult,

	out float3 specResult

) {

    float3 Hn = NORM(Vn + L);

    float hdn = dot(Hn,Nn);

    float ldn = dot(L,Nn);

    float4 litVec = lit(ldn,hdn,SpecExpon);

    diffResult = (litVec.y * LightColor);

    specResult = ((litVec.y * litVec.z * Shiny) * LightColor);

}



#ifdef DO_REFLECTION

float3 refl_color(float3 V, float3 N)

{

    // reflection

    float3 reflVect = reflect(V,N);

    float vdn = dot(V,N);

    float fres = KrMin + (Kr-KrMin) * pow((1.0-abs(vdn)),FresExp);

    float3 reflColor = lerp(fres,Kr,Metalness) * texCUBE(EnvSampler,reflVect).xyz;

	return reflColor;

}

#endif /* !DO_REFLECTION */



/*********************************************************/

/*********** pixel shader ********************************/

/*********************************************************/



float4 everythingPS(vertexOutput IN,

    uniform float3 PtColor,

    uniform float PtIntensity,

    uniform float3 DirLightVec,	// PRENORMALIZED, WE HOPE

    uniform float DirColor

) : COLOR {

	float3 Nn, Vn;

	float3 materialColor;

	float shininess;

	shared_ps_data(IN,Nn,Vn,shininess,materialColor);

	// first we do point light illumination

	float3 diffContrib, specContrib;

	point_light_calc(IN.LightVec,PtColor,PtIntensity,Vn,Nn,shininess,diffContrib,specContrib);

	// now add-in directional light

    float3 diff, spec;

	dir_light_calc(DirLightVec,DirColor,Vn,Nn,shininess,diff,spec);

	diffContrib += diff;

	specContrib += spec;

    // add all, incorporating ambient light term

#ifdef DO_REFLECTION

    specContrib += refl_color(Vn,Nn);

#endif /* DO_REFLECTION */

    float3 result = (materialColor*(Kd*diffContrib+AmbiLightColor)) +

	    lerp(((1.0).xxx),materialColor,Metalness)*specContrib;

    return float4(result,1.0);

}



// split for multipass ///////////////////////////////



float4 ambiReflPS(vertexOutput IN) : COLOR {

#ifdef DO_COLORTEX

    float3 colorTex = SurfColor * tex2D(ColorSampler,IN.UV).xyz;

#define SURF_COLOR colorTex

#else /* !DO_COLORTEX */

#define SURF_COLOR SurfColor

#endif /* !DO_COLORTEX */

#ifdef DO_REFLECTION

    float3 Nn = NORM(IN.WorldNormal);

#ifdef DO_BUMP

    float3 Tn = NORM(IN.WorldTangent);

    float3 Bn = NORM(IN.WorldBinorm);

    float3 bumps = Bumpy * (tex2D(NormalSampler,IN.UV).xyz-(0.5).xxx);

    float3 Nb = Nn + (bumps.x * Tn + bumps.y * Bn);

    Nb = NORM(Nb);

#define SURFACE_NORMAL Nb

#else /* DO_BUMP */

#define SURFACE_NORMAL Nn

#endif /* DO_BUMP */

    float3 Vn = NORM(IN.WorldView);

    float3 reflColor = refl_color(Vn,SURFACE_NORMAL);

    float3 result = (SURF_COLOR*AmbiLightColor) +

	    lerp(((1.0).xxx),SURF_COLOR,Metalness)*reflColor;

#else /* !DO_REFLECTION */

    float3 result = SURF_COLOR*AmbiLightColor;

#endif /* !DO_REFLECTION */

    return float4(result.xyz,1.0);

}



float4 pointlitPS(vertexOutput IN,

    uniform float3 PtColor,

    uniform float PtIntensity

) : COLOR {

	float3 Nn, Vn;

	float3 materialColor;

	float shininess;

	shared_ps_data(IN,Nn,Vn,shininess,materialColor);

	float3 diffContrib, specContrib;

	point_light_calc(IN.LightVec,PtColor,PtIntensity,Vn,Nn,shininess,diffContrib,specContrib);

    float3 result = (materialColor*(Kd*diffContrib)) +

	    lerp(((1.0).xxx),materialColor,Metalness)*specContrib;

    return float4(result,1.0);

}



float4 dirlitPS(vertexOutput IN,

    uniform float3 DirLightVec,	// PRENORMALIZED, WE HOPE

    uniform float DirColor

) : COLOR {

	float3 Nn, Vn;

	float3 materialColor;

	float shininess;

	shared_ps_data(IN,Nn,Vn,shininess,materialColor);

	float3 diffContrib, specContrib;

	dir_light_calc(DirLightVec,DirColor,Vn,Nn,shininess,diffContrib,specContrib);

    float3 result = (materialColor*(Kd*diffContrib)) +

	    lerp(((1.0).xxx),materialColor,Metalness)*specContrib;

    return float4(result,1.0);

}



////////////////////////////////////////////////////////////////////

/// TECHNIQUES /////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////



// do all shading in a single pass



technique OnePass <

	string Script = "Pass=p0;";

> {

	pass p0  <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 basicVS(PointLightPos);

		ZEnable = true;

		ZWriteEnable = true;

		CullMode = None;

		PixelShader = compile ps_2_0 everythingPS(PointLightColor,PointLightIntensity,

													DirLight,DirLightColor);

	}

}



// split into individual lighting passes



technique Multipass <

	string Script = "Pass=ambiZ; Pass=pointLight1; Pass=dirLight1;";

> {

	pass ambiZ  <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 ambiVS();

		ZEnable = true;

		ZWriteEnable = true;

		CullMode = None;

		PixelShader = compile ps_2_0 ambiReflPS();

	}

	pass pointLight1  <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 basicVS(PointLightPos);

		ZEnable = true;

		ZWriteEnable = false;

		ZFunc = LessEqual;

		CullMode = None;

		AlphaBlendEnable = true;

		SrcBlend = One;

		DestBlend = One;

		PixelShader = compile ps_2_0 pointlitPS(PointLightColor,PointLightIntensity);

	}

	pass dirLight1  <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 ambiVS();

		ZEnable = true;

		ZWriteEnable = false;

		ZFunc = LessEqual;

		CullMode = None;

		AlphaBlendEnable = true;

		SrcBlend = One;

		DestBlend = One;

		PixelShader = compile ps_2_0 dirlitPS(DirLight,DirLightColor);

	}

}



// see individual components /////////



technique AmbiOnly <

	string Script = "Pass=ambiPass;";

> {

	pass ambiPass <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 ambiVS();

		ZEnable = true;

		ZWriteEnable = true;

		CullMode = None;

		PixelShader = compile ps_2_0 ambiReflPS();

	}

}



technique DirOnly <

	string Script = "Pass=dirPass;";

> {

	pass dirPass  <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 ambiVS();

		ZEnable = true;

		ZWriteEnable = true;

		CullMode = None;

		PixelShader = compile ps_2_0 dirlitPS(DirLight,DirLightColor);

	}

}



technique PtOnly <

	string Script = "Pass=pointPass;";

> {

	pass pointPass  <

		string Script = "Draw=geometry;";

	> {

		VertexShader = compile vs_2_0 basicVS(PointLightPos);

		ZEnable = true;

		ZWriteEnable = true;

		CullMode = None;

		PixelShader = compile ps_2_0 pointlitPS(PointLightColor,PointLightIntensity);

	}

}



/***************************** eof ***/

]]></effect><effect path="f:\devrel\sdk\media\hlsl\normalize.fxh"><![CDATA[/*********************************************************************NVMH3****

File:  $Id: //sw/devrel/SDK/MEDIA/HLSL/normalize.fxh#7 $



Copyright NVIDIA Corporation 2003

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THIS SOFTWARE IS PROVIDED

*AS IS* AND NVIDIA AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES, EITHER EXPRESS

OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY

AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL NVIDIA OR ITS SUPPLIERS

BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES

WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS,

BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR ANY OTHER PECUNIARY LOSS)

ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF NVIDIA HAS

BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.



Comments:

	Utility FX functions -- normalization cube map for pixel shaders.



	The following functions create and let you use a texture read to approximate 3D

	normalize() calls. In some cases, using normalize() may be just as fast!

	For details, please be sure to reference the Technical Brief "Normalization

	Heuristics" -- you can find the brief at http://developer.nvidia.com/



******************************************************************************/



#ifndef _H_NORMALIZE

#define _H_NORMALIZE



#define NORMALIZE_CUBE_SIZE 256



// for other texel formats, just define NORM_FORMAT before including normalize.fxh

#ifndef NORM_FORMAT

#define NORM_FORMAT "X8R8G8B8"

#endif /* NORM_FORMAT */



float4 make_normalization_cube(float3 Pos : POSITION) : COLOR {

	float3 n = normalize(Pos);

	float3 r = 0.5 + (0.5*n);

	return float4(r,0);

}



texture NormalizeTex <

	string TextureType = "CUBE";

    string function = "make_normalization_cube";

    string Format = (NORM_FORMAT);

    int width = NORMALIZE_CUBE_SIZE;

    int height = NORMALIZE_CUBE_SIZE;

    int depth = NORMALIZE_CUBE_SIZE;

>;



samplerCUBE NormalizeSampler = sampler_state 

{

    texture = <NormalizeTex>;

    AddressU  = CLAMP;        

    AddressV  = CLAMP;

    AddressW  = CLAMP;

    MIPFILTER = NONE;

    MINFILTER = LINEAR;

    MAGFILTER = LINEAR;

};



// access the cube map instead of using normalize()

float3 my_normalize(float3 v)

{

	float3 v2 = texCUBE(NormalizeSampler,v);

	return (2*(v2-0.5));

}



// access the cube map instead of using normalize() -- only first three components!

float4 my_normalize(float4 v)

{

	float3 v2 = texCUBE(NormalizeSampler,v.xyz);

	return float4((2*(v2-0.5)),1);

}



// same as above, but for half data



half3 my_normalize(half3 v)

{

	half3 v2 = texCUBE(NormalizeSampler,v);

	return (2*(v2-0.5));

}



half4 my_normalize(half4 v)

{

	half3 v2 = texCUBE(NormalizeSampler,v.xyz);

	return half4((2*(v2-0.5)),1);

}



#endif /* _H_NORMALIZE */



// eof

]]></effect></media_objects></fxstudio_project>