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Type: Posts; User: acorn

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  1. Replies
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    Re: Displaying EGL surfaces with OpenWF

    The answer depends on what you are doing.

    If you are writing an application program then you would simply create a window (using your window system's function to do so) and call...
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    Re: Speeding up glTexSubImage2D?

    It might be worth trying to create a brand new texure, but I would expect glTexSubImage2D() to be faster than glTexImage2D() with a newly created texture (just as you said).

    It is possible that...
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    Re: Where is EGL_NO_IMAGE_KHR defined?

    This is a bug in the eglext.h file. The line should be changed to:

    #define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)

    This will be done in a (hopefully soon) update to the eglext.h on the khronos...
  4. Re: Strange holes/etc appearing in model when lighting

    If it is not one of the previously mentioned things then it may be that the z value of the front and back is too close together. This is likely the cause if it looks right in some orientations but...
  5. Re: how can Irotate a specific area in opengl? glLoadMatrix

    Take a look at glRotate. I think it does what you want.

    See
    http://www.opengl.org/sdk/docs/man/xhtml/glRotate.xml
    or
    http://www.opengl.org/sdk/docs/man/

    -Acorn
  6. Re: How to copy pixel buffer to EGL pbuffer surface?

    The only way I can think of is to create a gles texture, copy your pixels into the texture with glTexImage2D, and then render the texture into the pbuffer (e.g. render 2 triangles that cover the...
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    Re: OpenGL ES calls across multiple threads

    Note that EGL does not require implementations to support binding a GLES context to more than one thread at a time.

    So to summarize:
    Binding the same context in 2 threads is NEVER allowed....
  8. Re: Does any separate Conformance suite is available for HVGA

    No. The conformance test is required to run at a handful of resilutions including the maximum resolution supported by the platform. So the test should run on pretty much any resoluttion (inlcuding...
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