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Type: Posts; User: KristofBeets

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  1. Companies working on advanced UIs using OpenGL ES

    Various companies are already working on advanced UIs using OpenGL ES acceleration. Such as:

    TAT
    http://www.imgtec.com/PowerVR/insider/Partners/software/index.asp?page=TAT

    Acrodea...
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    Hi, Please check the following document from...

    Hi,

    Please check the following document from Intel which specifies what functionality is supported by the Intel driver for the Intel 2700G processor present in the Dell Axim X51v:
    ...
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    Hi Essential, OpenGL-ES does not mandate any...

    Hi Essential,

    OpenGL-ES does not mandate any specific texture compression schemes but exposes a generic mechanism which allows compressed texture data to be loaded and used. There are many Texture...
  4. Hi Norwy, Generally glReadPixels() is slow and...

    Hi Norwy,

    Generally glReadPixels() is slow and should really only be used when doing screencapture at which point performance is non critical. The main cause for this loss of performance is due to...
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    Re: Problems converting to fixed point

    Is black your clear color ? You might not even be getting the geometry in the right place ?

    K-
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    Re: Problems converting to fixed point

    Have you also converted your texture coordinates into fixed point format? Since when you are using the commonlite profile and thus fixed point you can not use float for anything ?

    If you have...
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    Re: what's the problem??

    The bit of your code which should update the "bullet" position is below:




    You push the current matrix on the stack, update the matrix with the current translation of your bullet and then you...
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    Re: Overlay Graphics

    This means that ideally you generate 3D menus and message boxes... rather than use GDI calls. It's more work but it will look better and run at high performance.

    K-
  9. Re: OpenGL|ES 1.0 sample are not support Fixed-point

    Are you talking about the behaviour of OGLES wrappers ? Most of those will probably map Fixed Point into Floating Point ASAP for ease of implementation, this does mean you can not necessarily see the...
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    Re: The Best 3D Model Format For OpenGL ES

    <BLOCKQUOTE><font size="1" face="Arial, Verdana, Helvetica, sans-serif">quote:</font><HR>So basically I am asking if it is possible to write a file loader for the .obj file format and how I would go...
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    Re: Recommend a good forum for x50v dev?

    I would recommend the PocketMatrix forums:

    PocketMatrix Developer Forum

    They have a "sticky" which lists a lot of i2700G specific programming tips and resources. There have also been several...
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    Re: Display a text in OpenGL ES

    Check the PowerVR SDK it contains tools functions which include text output. Download available here :

    Link To SDK Download

    K-
  13. Cube Ported to OGL-ES by Intel for i2700G

    The port of Cube created by Intel for their latest mobile cpu & 3d chipset has been uploaded to sourceforge. You can get it in the files section as usual here:
    ...
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    Re: Hardware Acceleration

    The PC Emulation SDK from PowerVR contains a Wrapper solution. Available here:

    Link to SDK Download.

    K-
  15. Re: Anyone working on a easy build sample for Axim X50v

    Some more info and help can be found here:

    Dynamic Link Lib

    OGL-ES Benchmark

    Performance discussion and feedback

    Hope this helps,
  16. Re: Anyone working on a easy build sample for Axim X50v

    <BLOCKQUOTE><font size="1" face="Arial, Verdana, Helvetica, sans-serif">quote:</font><HR>However using either method to glGetString is returning a NULL not a string for GL_RENDERER, GL_VERSION,...
  17. Re: Anyone working on a easy build sample for Axim X50v

    Attempts at using Axim X50v OpenGL-ES are being discussed here :

    Link to AximSite forums

    Hope this helps,

    K~
  18. Re: What is the Function in OpenGL ES that have a same role

    Direct access to the framebuffer is pretty slow on HW accelerated implementations hence support was removed from OGLES. You'll have to translate your accesses into polygons.

    Another option is to...
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    Re: OpenGL ES for Intel 2700G

    Yes there is, the game package that is available from Dell uses OGL-ES acceleration. So if you write OGL-ES apps they should run accelerated on your Dell Axim X50v. Intel has a document available...
  20. Re: Porting OpenGL sw to OpenGL-ES, help needed

    <BLOCKQUOTE><font size="1" face="Arial, Verdana, Helvetica, sans-serif">quote:</font><HR>Originally posted by yipton:

    glBegin (GL_QUADS);
    glTexCoord2f (fcol, frow);
    glVertex2f (x, y);...
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    Re: How to make textures mapping to sphere..

    <BLOCKQUOTE><font size="1" face="Arial, Verdana, Helvetica, sans-serif">quote:</font><HR>glBegin(GL_TRIANGLE_STRIP);
    for (i=0; i < NumVertices; i++)
    {
    glTexCoord2f(Vertices[i].u, Vertices[i].v);...
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    Re: How to make textures mapping to sphere..

    <BLOCKQUOTE><font size="1" face="Arial, Verdana, Helvetica, sans-serif">quote:</font><HR>Originally posted by James Kay:
    Kristof - PowerVR

    you know,
    I generated a sphere with texture...
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    Re: How to make textures mapping to sphere..

    You'll have to generate a sphere with texture coordinates yourself. Check this page for some hints:

    Sphere with Texture Coordinates Code

    Another option is to use a program like 3DStudio and an...
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    Re: Texture mapping in Opengl ES ?

    OK, the problem is with glTexImage2D this uploads the texture into the currently bound texture. Even though you have generated an ID with glGenTextures you are not binding that ID prior to uploading...
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