alphablending

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Device AlphaBlend state in XNA 4.0

I\'m having a problem getting the BlendState on the graphics device to work properly and display the alpha blending correctly.[详细]

2023-03-12 14:02 分类：问答
How does blending work with GLSL ES fragment shaders in WebGL?

I\'m trying to get a simple effect to display using WebGL. Naturally, this means I\'m using the fragment shader language defined in the GLSL ES 1.0 specification.[详细]

2023-03-08 18:36 分类：问答
How to draw a translucent image on a form?

I want to a draw a translucent image on a Delphi form, but for some reason it is not working. Here is the original PNG (border is semi transparent):[详细]

2023-03-04 22:07 分类：问答
iOS: Smooth button Glow effect by blending between images

I am creating a custom button that needs to be able to glow to a varying degree How would I use these pictures to make a button that \'glows\' the diamond when it is pressed,and have this glow grad[详细]

2023-03-01 09:01 分类：问答
How to blend alpha values?

In Java\'s AWT, alpha (opacity) is expressed using values from 0 (completely transparent) to 255 (completely opaque). How do I correctly blend alpha values, e.g. t开发者_StackOverflowo implement a fad[详细]

2023-03-01 03:49 分类：问答
Alpha blending in XNA -- what am I doing wrong?

I\'m trying to achieve the same effect in XNA 4.0 that this stackoverflow questioner was trying to get in XNA 3.1: namely, drawing a background, and on top of that a black mask with see-through \'cuto[详细]

2023-02-22 10:11 分类：问答
Faster alpha blending using a lookup table?

I have made a lookup table that allows you to blend two single-byte channels (256 colors per channel) using a single-byte alpha channel using no floating point values (hence no float to int conversion[详细]

2023-02-20 09:32 分类：问答
How do i: convert surface to a texture or create a texture with certain multisampling parameters or render a surface with an alpha layer

I am creating two render targets, both must share the back buffer\'s depth buffer, so it is important that I set them to have the same multi sampling parameters, however pDevice->CreateTexture(..) doe[详细]

2023-02-19 03:20 分类：问答
glBlendFuncSeparate crashes on OpenGL1.1 on iOS

I\'m trying to build code on an older iOS devices that have arm6 processors and support for only OpenGL ES 1.1. The function glBlendFuncSeparate crashes. I found this post on stackoverflow -[详细]

2023-02-18 01:48 分类：问答
How to blend multiple alpha channel WMVs with WPF MediaElements?

I have two mediaelements overlapping each other, on top of a static image. The media elements are each playing a different WMV file each with an alpha channel defined.[详细]

2023-02-15 14:49 分类：问答