camera.material = your_shader;

camera.material=test_mat;

MATERIAL* test_mat={
	effect = "
	Texture TargetMap;
	sampler2D smpSource = sampler_state{texture=<TargetMap>;};
	
	float4 goldshader(float2 Tex: TEXCOORD0): COLOR0{
		float4 Color=tex2D(smpSource,Tex.xy);
		Color-=tex2D(smpSource,Tex.xy-0.001)*2.0f;
		Color+=tex2D(smpSource,Tex.xy+0.001)*2.0f;
		Color.rgb=(Color.r+Color.g+Color.b)/3.0f;
		Color.rgb=Color.rgb*3.0f;
		return Color;
	}
	
	technique shader{
		pass p1{
			PixelShader = compile ps_2_0 goldshader();
		}
	}
	
	technique fallback { pass one { } }
	";
}