Hello, Thanks for your reply.
What i want is alpha blending for my chips. As i mentioned, My chips have four independent H/W overlays. For example, H/W Overlay 1 => Weston, Applications, etc.. H/W Overlay 2 => Video play. H/W Overlay 3 = > Empty. H/W Overlay 4 = > Empty. I also know that weston don't know H/W Overlays above mentioned. Scenario: 1. If i click play button on my video application, it will be call alpha blending API. 2. When weston receives alpha blending api, weston background will be transparent. 3. And i could see video playing from H/W Layer 2.(Still H/W Layer1 shows GUI of video control buttons) So i want really alpha blending of weston background. I'm sorry to describe it difficult to understand. Thanks. 2016-02-22 21:36 GMT+09:00 YoungJun Jo <dtoart...@gmail.com>: > Environment > OS : Linux kernel 3.10 > Version : Weston 1.8.0 > H/W spec : embedded soc based on ARM > > Hello, All > > I have a question about weston background. > I want enable alpha blending to background, so i have typed > 'background-color=0x00ffffff' on weston.ini. > But that's not really alpha blending. Because alpha value of pixel is a > 'ff'. > My chips have four H/W layers, top of the layer is UI layer and second > layer is video layer. > > I reviewed source code of 'desktop-shell.c' but i can't find any hints. > > Need some additional ideas to solve this problem. Any feedback is > appreciated. > > Thanks. >
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