blending

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OpenGL Blending problem with transparent skybox + transparent heightmap

Here\'s my problem. I\'m rendering an orthogonal quad (filling the viewport) before everything (with vertex coloring at each corner), right after I\'m rendering a cube skybox with 6 transparent polyg[详细]

2023-02-13 11:14 分类：问答
Texture and color together in GLSL?

I cant figure out, how to get with OpenGL ES 2.0 similiar Results to OpenGL ES 1.1. I want to use actually a Sampler2D (to blend my texture with Alpha Channel to the Framebuffer) and also set an Color[详细]

2023-02-10 17:07 分类：问答
I want to imitate Photoshop layer 'soft light' blending in iOS

In Photoshop a layer can be blended with a layer below it using many different ways, ie Normal, Dissolve, Darken, Soft Light, etc. 开发者_如何学运维 I would like to duplicate this effect programmatica[详细]

2023-02-07 12:02 分类：问答
Question about "Additive blending" and "Hue replacement"

Since drawing fonts is quite expensive in terms of CPU, many developers use a rasterized font to draw text on video games; that\'s what I did too.[详细]

2023-02-06 00:39 分类：问答
Blending pixels from Two Bitmaps

I\'m beating my head against a wall here, and I\'m fairly certain I\'m doing something stupid, so time to make my stupidity public.[详细]

2023-02-02 08:10 分类：问答
Are photoshop-like blend modes possible in HTML5?

I want to put a red rectangular <div> element over my webpage so that it would look not only transparent, but also like blended in Photoshop’s Multiply mode.[详细]

2023-01-27 10:16 分类：问答
cocos2d-iphone setBlendFunc()

Here is what my code look like CCSprite *sp = [CCSprite spriteWithFile:@\"textureWithOneColorbackground.jpg\"];[详细]

2023-01-20 05:31 分类：问答
DirectX alpha blending (deferred rendering)

I\'m having a major issue which has been bugging me for a while now. My problem is my game uses a deferred rendering engine which makes it very difficult to do alpha blending.[详细]

2023-01-19 05:10 分类：问答
How to set background colour on Open GL ES Android

I am currently playing about with lesson 08 here http://insanitydesign.com/wp/projects/nehe-android-ports/[详细]

2023-01-18 06:31 分类：问答
formula for alpha value when blending two transparent colors

lets assume an alpha of 1 means fully opaque and 0 means fully transparent. lets say i have two black images which have 50% transparency (alpha = 0.5).[详细]

2023-01-15 07:24 分类：问答