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Type: Posts; User: gregg

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    Re: y-flipped printout

    I filed a bug.

    https://bugzilla.mozilla.org/show_bug.cgi?id=597207
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    Re: with and without texture

    The simple answer is "in the world of shaders you can't"

    You either need separate shaders, 1 for textures, 1 without or you need to get creative. A common way games do it is make a pixel shader...
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    Re: Getting a pixel in webgl area

    3 options

    1) Draw it into 2d canvas

    <canvas id="a"></canvas>
    <canvas id="b"></canvas>

    a = document.getElementById("a");
    b = document.getElementById("b");
    gl = a.getContext("webgl");
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    Re: Floating point textures?

    Floating point textures are not part of WebGL 1.0 as they are not part of OpenGL ES 2.0 which WebGL is based on.

    But don't get too disappointed. They'll likely be added as an extension soon after...
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    Re: A self-contained adaptive quality example

    There's still issues. You're using WebGLFloatArray. That is no longer part of the spec. It's been changed to Float32Array. All of the WebGLXXXArray types have changed names.

    Looking forward to...
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    Re: y-flipped printout

    this sounds a bug in firefox. You should report it to mozilla.
  7. Re: Shader problem - calculation problem with shader validat

    The issue is most likely you're using non power of 2 textures and you have filtering on that requires mips. This is not allowed in OpenGL ES 2.0 and WebGL is supposed to be spec compliant with OpenGL...
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