1 files changed, 25 insertions, 0 deletions
diff --git a/demo/d3d/shaders/diffuseVS.hlsl b/demo/d3d/shaders/diffuseVS.hlsl
new file mode 100644
index 0000000..303b896
--- /dev/null
+++ b/demo/d3d/shaders/diffuseVS.hlsl
@@ -0,0 +1,25 @@
+#include "shaderCommon.h"
+
+cbuffer constBuf : register(b0)
+{
+	DiffuseShaderConst gParams;
+};
+
+DiffuseVertexOut diffuseVS(DiffuseVertexIn input)
+{
+	float3 worldPos = input.position.xyz;
+	float4 eyePos = mul(gParams.modelView, float4(worldPos, 1.0));
+
+	DiffuseVertexOut output;
+
+	output.worldPos = input.position;	// lifetime in w
+	output.viewPos = eyePos;
+	output.viewVel = mul(gParams.modelView, float4(input.velocity.xyz, 0.0));
+	output.color = gParams.color;
+
+	// compute ndc pos for frustrum culling in GS
+	float4 ndcPos = mul(gParams.modelViewProjection, float4(worldPos.xyz, 1.0));
+	output.ndcPos = ndcPos / ndcPos.w;
+
+	return output;
+}