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nguyen my

vertex shader and pixel shader error ?

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i have this code . i write in RenderMonkey

float4x4 matViewProjection;
float4x4 matrixNormal;
float4 diffuseLight;
float4 diffuseMtr;
float3 directLight;

float4 ambientMtr;
float4 ambientLight;

texture Texture3D;

sampler Texs=sampler_state


struct VS_OUTPUT
float4 Pos: POSITION;
float4 color: COLOR0;
float2 tex0: TEXCOORD;

VS_OUTPUT vs_main( float3 inPos: POSITION,float3 normal:NORMAL,float2 tex0:TEXCOORD )
float3 normalW=mul(float4(normal,0.0f),matrixNormal).xyz;
//tinh toan as khuyech tan tre n be mat vat the
float s=max(dot(normalW,directLight),0.0f);

float3 diffuse=s*(diffuseLight*diffuseMtr).rgb;
float3 ambient=ambientLight*ambientMtr;



Out.Pos = mul(float4(inPos,1.0f),matViewProjection);
return Out;

and pixel shader

float4 ps_main( float4 inDiffuse: COLOR0,float2 tex0 :TEXCOORD) : COLOR0
// Output constant color:
float texcolor=tex2D(Texs,tex0).rgb;
float3 color=inDiffuse.rgb*c.rgb;
return float4(color,inDiffuse.a);

this is an error when it run
COMPILE ERROR: API(D3D) /../Default_DirectX_Effect/Pass 0/Pixel Shader/ (4): error X3004: undeclared identifier 'Texs'

i hope everyone help me

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