BansheeEngine/Data/Raw/Engine/Includes/VolumeRenderBase.bslinc

Technique : base("VolumeRenderBase") =
{
	Pass =
	{
		DepthWrite = false;
		DepthRead = false;
	
		Common = 
		{
			struct VStoGS
			{
				float4 position : SV_POSITION;
				float2 uv0 : TEXCOORD0;
				uint layerIdx : TEXCOORD1;
			};
			
			struct GStoFS
			{
				float4 position : SV_POSITION;
				float2 uv0 : TEXCOORD0;
				uint layerIdx : SV_RenderTargetArrayIndex;
			};			
		};

		Vertex =
		{
			struct VertexInput
			{
				float2 screenPos : POSITION;
				float2 uv0 : TEXCOORD0;
				uint layerIdx : SV_InstanceID;
			};
			
			VStoGS main(VertexInput input)
			{
				VStoGS output;
			
				output.position = float4(input.screenPos, 0, 1);
				output.uv0 = input.uv0;
				output.layerIdx = input.layerIdx;
				
				return output;
			}
		};
		
		Geometry = 
		{		
			[maxvertexcount(3)]
			void main(triangle VStoGS input[3], inout TriangleStream<GStoFS> outStream)
			{
				GStoFS vert0;
				vert0.position = input[0].position;
				vert0.uv0 = input[0].uv0;
				vert0.layerIdx = input[0].layerIdx;

				GStoFS vert1;
				vert1.position = input[1].position;
				vert1.uv0 = input[1].uv0;
				vert1.layerIdx = input[1].layerIdx;

				GStoFS vert2;
				vert2.position = input[2].position;
				vert2.uv0 = input[2].uv0;
				vert2.layerIdx = input[2].layerIdx;

				outStream.Append(vert0);
				outStream.Append(vert1);
				outStream.Append(vert2);
			}
		};
	};
};