Initial commit

data/shaders/dx11/rain_snow.geometry.hlsl

@@ -0,0 +1,68 @@
+#include "ShaderConstants.fxh"
+
+struct GeometryShaderInput
+{
+	float4 position : SV_Position;
+	float2 uv : TEXCOORD_0;
+	float4 color : COLOR;
+	float4 worldPosition : TEXCOORD_1;
+	float4 fogColor : FOG_COLOR;
+
+#ifdef INSTANCEDSTEREO
+	uint instanceID : SV_InstanceID;
+#endif
+};
+
+// Per-pixel color data passed through the pixel shader.
+struct GeometryShaderOutput
+{
+	float4 position : SV_Position;
+	float2 uv : TEXCOORD_0;
+	float4 color : COLOR;
+	float4 worldPosition : TEXCOORD_1;
+	float4 fogColor : FOG_COLOR;
+
+#ifdef INSTANCEDSTEREO
+	uint renTarget_id : SV_RenderTargetArrayIndex;
+#endif
+};
+
+bool inBounds(float3 worldPos)
+{
+	bool inBounds = true;
+	if (worldPos.x < CLIP_MIN.x ||
+		worldPos.x > CLIP_MAX.x ||
+		worldPos.z < CLIP_MIN.y ||
+		worldPos.z > CLIP_MAX.y)
+	{
+		inBounds = false;
+	}
+
+	return inBounds;
+}
+
+// passes through the triangles, except changint the viewport id to match the instance
+[maxvertexcount(3)]
+void main(triangle GeometryShaderInput input[3], inout TriangleStream<GeometryShaderOutput> outStream)
+{
+	GeometryShaderOutput output = (GeometryShaderOutput)0;
+
+#ifdef INSTANCEDSTEREO
+	int i = input[0].instanceID;
+#endif
+//	if (inBounds(input[0].worldPositionActual) || inBounds(input[1].worldPositionActual) || inBounds(input[2].worldPositionActual)) {
+
+		for (int j = 0; j < 3; j++)	{
+			output.position = input[j].position;
+			output.uv = input[j].uv;
+			output.color = input[j].color;
+			output.worldPosition = input[j].worldPosition;
+			output.fogColor = input[j].fogColor;
+
+#ifdef INSTANCEDSTEREO
+			output.renTarget_id = i;
+#endif
+			outStream.Append(output);
+		}
+//	}
+}