#include <phong_lighting.cg>
#include <fragment_entry.cg>

BEGIN_CBUFFER(cbDiffuse)
CONST_TYPE float3	diffuseColor;
END_CBUFFER(cbDiffuse)

DECLARE_TEXTURE(diffuseTexture)

SurfaceMaterial computeSurfaceMaterial(const FragmentParameters params)
{
	half4 diffuseTextureColor = tex2D(diffuseTexture, params.texcoord0.xy);

	SurfaceMaterial mout;
	mout.diffuseColor       = diffuseTextureColor.rgb * diffuseColor;
//	mout.diffuseColor       = diffuseColor;
	mout.alpha              = 1.0;
	mout.emissiveColor      = 0;
	mout.specularColor      = half3(0.2,0.2,0.2); // TODO: make this a constant parameter set by the material.
	mout.specularPower      = 16;
	mout.tangentSpaceNormal = half3(0,0,1);
	return mout;
}