Greg Schechter's Blog

Bing Maps, Windows Presentation Foundation and Silverlight -- Graphics, Media, Animation, Programming Model and other goodies.

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  • Blog Post: A More Useful Multi-Input Effect

    In my last post , I introduced multi-input effects, where you can send in arbitrary WPF brushes that are interpreted as samplers in the shader. The example I did just showed simple image combination via linear combination of pixel values -- illustrative, but not very useful. In this post, I'm going...
  • Blog Post: Introducing Multi-Input Shader Effects

    Thus far in this series on Effects , we've discussed building and using Effects that have a single "texture" or "sampler" as input to them. In the Beta of .NET 3.5 SP1, that's all that was available. With the RTM release, we've added the ability to provide multiple samplers as input to the pixel shaders...
  • Blog Post: A VisualStudio BuildTask and project and item templates for writing ShaderEffects

    In a number of places in this series on Effects , I've alluded to a VisualStudio BuildTask and project templates that ease the authoring of shader-based Effects.  We now have one up and available for you to download, install, and use.  This was written by Gerhard Schneider and me.  (Gerhard...
  • Blog Post: .NET Framework 3.5SP1 and Visual Studio 2008 SP1 released!

    Alright!  .NET 3.5 SP1 and VS 2008 SP1 are live and available on the web today.  There are lots of places to read about all the great stuff there, but from the perspective of this blog, the two big additions over the Beta of .NET 3.5 SP1 are: Support for multiple texture inputs to shaders used...
  • Blog Post: A simple Effect sample project and ClickOnce application

    The previous post in this series began to talk about writing custom Effects for WPF. We looked specifically at ColorComplementEffect, an effect with no parameters. In upcoming posts, we'll get into the details of multi-parameter effects and other specifics. But in the meantime, I thought it would be...
  • Blog Post: Writing custom GPU-based Effects for WPF

    The last few posts in this series on Effects have focused on the perspective of those using Effects. These Effects have to come into being somehow, and that's where we turn to now. In this post we showed how to apply a ColorComplementEffect to go from this to this: ColorComplementEffect, which...
  • Blog Post: More details on how Effects work

    The last couple posts in this series have dug into features and example usage of Effects in WPF. Let’s go into some other aspects of the feature that are important to understand. Software Rendering When we discuss Effects, we typically talk about them being GPU-accelerated. This is typically the...
  • Blog Post: Using Effects in WPF (Part 2)

    My previous post on Effects (part of this series ) gives a simple example of instantiating an parameterless Effect (it just takes the complement of a color) through XAML. Here we discuss more about the use of Effects. First, lest you think that Effects are somehow a XAML-only feature, let’s write...
  • Blog Post: GPU-accelerated custom effects for WPF

    With WPF 3.5 SP1 on the horizon (and the Beta available now ), I plan to discuss some of the new graphics features that are coming into WPF in this release. There are a number of great new additions as well as improvements on existing features, but I will say that the one that I’m the most excited about...
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