#include "$ENGINE$/PerCameraData.bslinc"

mixin ShadowProjectionCommon
{
	mixin PerCameraData;

	code
	{
		struct VStoFS
		{
			float4 position : SV_POSITION;
			float4 clipSpacePos : TEXCOORD0;
		};

		struct VertexInput
		{
			float3 position : POSITION;
		};
		
		#if NEEDS_TRANSFORM
		[internal]
		cbuffer VertParams
		{
			float4 gPositionAndScale;
		};
		#endif
		
		VStoFS vsmain(VertexInput input)
		{
			VStoFS output;
			
			#if NEEDS_TRANSFORM
				float3 worldPos = input.position.xyz * gPositionAndScale.w + gPositionAndScale.xyz;
				output.clipSpacePos = mul(gMatViewProj, float4(worldPos, 1));
				output.position = output.clipSpacePos;
			#else
				output.clipSpacePos = float4(input.position, 1);
				output.position = float4(input.position, 1);
			#endif
		
			return output;
		}			
	};
};