| 123456 |
- //混合模块
- #pragma define-meta BLEND_METHOD options([normal,addition,multiply])
-
- #define normal(o,add) o = vec4(add[0] * add[3] + o[0] * (1.0-add[3]),add[1] * add[3] + o[1] * (1.0-add[3]) ,add[2] * add[3] + o[2] * (1.0-add[3]), o[3]);
- #define addition(o,add) o = vec4(add[0] + o[0] ,add[1] + o[1] , add[2] + o[2] , o[3]);
- #define multiply(o,add) o = vec4(add[0] * o[0] ,add[1] * o[1] , add[2] * o[2] , o[3]);
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