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UGUI Unity5.6 CanvasRenderer vertex define has no uv1 ???
I used UI vertex extra parameters , just add uv1 , so I used both uv0 and uv1 . Using the api VertexHelper.AddVert(Vector3 position, Color32 color, Vector2 uv0, Vector2 uv1, Vector3 normal, Vector4 tangent);
. and my shader use VSInput texcoord1 like this
struct appdata_t
{
float4 vertex : POSITION;
float4 color : COLOR;
float2 texcoord : TEXCOORD0;
float2 texcoord1: TEXCOORD1;
};
Now I found the uv1 , which is the second uv in shader input is not value setted . My code works well in 5.4 and all lower Unity version . But failed on 5.6 and unity 2017. So I think uv1 is not supported any more in CanvasRenderer. This really bothers me. Can any one help me ? Thanks a lot .
And happenly I found a similar question, but I only wanna to use TEXCOORD1 https://forum.unity3d.com/threads/ui-batching-and-extra-parameters.338661/
Answer by ZorroBlade · Sep 13, 2017 at 02:45 AM
My problem is solved , UGUI in 5.6.6 is changed , that Canvas component has a property "Additional Shader Channels" . I added the TexCoord1 vertex define , then this problem is solved. Hope this would help someone else .
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