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Type: Posts; User: mustaf

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  1. Replies
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    Re: OpenGL ES calls across multiple threads

    Hi,

    I have similar question but with a little difference.What would happen if i try to do the same thing across two separate processes.

    Let's say i am working in a linux environment where each...
  2. Re: Open GL and Open VG rendering on the same EGL surface

    Hi jon,

    Yes, i know that EGL 1.1 does not support this, but i believe Egl 1.3 or greater version support this through eglbindAPI().So, to rephrase the question

    "is it possible to render both...
  3. How to Copy content from EGL Pixmap/Pbuffer to the screen

    Hi,

    I have an OpenGL-ES app, where i am using EGL along with the opengl library. I want to render content on the screen through Pixmap surface/pbuffer surface.

    I know that i can do it by...
  4. Re: Open GL and Open VG rendering on the same EGL surface

    Hello,

    No one here to answer this? i also came across the same problem recently, so it would be very nice if some one can at least give some hints.
  5. Re: How to clear a region of a window in OpenGL-ES

    Thanks Don, that is possible.But my sole purpose was to use glColor4f/glColor4x API & then use necessary methods to draw a rectangle/clear a specific region.

    Because of some other reason, i have a...
  6. Re: How to clear a region of a window in OpenGL-ES

    Hi Xmas,

    This is my modified code which only links to GL-ES and not to GL.

    #include <stdio.h>
    #include <GLES/gl.h>
    //#include <GL/glut.h>
    #include <GLES/egl.h>
  7. Re: How to clear a region of a window in OpenGL-ES

    Hi XMas,

    Long time since we have talked if you remember.

    I am using OpenGL-ES, i found the header file path problem after i posted it and rectified it, but of no use.

    Now, i am only using ...
  8. How to clear a region of a window in OpenGL-ES

    Hi,

    I know what i am asking is a silly question, but somehow i am not able to get the answer of it. I want to create a window & then clear a particular area of that window with a given color. I am...
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    Alternative implementation of GL APIs in GLES

    Hi,

    I am using the following the OpenGL APIs in my glitz library & i want to make glitz compatible to OpenGL-ES.So, i am using the following APIs

    glTexGeni

    glTexGenfv

    glGetTexImage.
  10. How to copy content from pixmap surface to window surface

    Hi,

    I have an OpenGL-ES app, where i want to copy data from window surface to native pixmap surface at a certain time, i.e. i want to copy the content whatever is being shown on the display at a...
  11. Thread: EGL with X

    by mustaf
    Replies
    1
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    5,598

    EGL with X

    Hi,

    I am looking for some EGL implementation on top of X window system.I have gone through the EGL spec, but finding it too abstract on areas where it talks about the relation between EGL & the...
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    Building OpenVG library and GLUT for linux

    Hi,

    I have downloaded the reference implementation for OpenVG available in khronos site http://www.khronos.org/openvg/.

    But i want to compile it for linux system, i have read the documents...
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    Anti-aliasing quality

    Hi All,

    Is there any way to specify how much antialiasing we want?I know by specifying VG_RENDERING_QUALITY_NONANTIALIASED/FASTER/BETTER, we can specify the rendering quality & then the OVG...
  14. Replies
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    Thank you

    Thanks to both of you gentleman.Yes, i can do it by manually modifying the scissoring rectangle, but i just wanted to know whether OVG has support to change the scissor rectangle w.r.t. co-ordinate...
  15. Replies
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    Thanks George, yes it is true that scissor...

    Thanks George, yes it is true that scissor rectangles cant be rotated or skewed.But i have just applied translation and any rectangle remains rectangle after translation transformation.Then why am i...
  16. Replies
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    VG_SCISSOR_RECTS

    When ever we want to enable scissoring in openvg, does the scissoring rectangle co-ordinate always starts with reference to the bottom-left corner(0,0 of OpenVG canvas) of the screen OR can we...
  17. Replies
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    Re: Example of double buffered pbuffer

    Somewhere, i read over the net(i dont exactly remember where) that when we need two pbuffers for texturing or whatever purpose, it is better to use a double buffered pbuffer in stead of two pbuffer...
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    Example of double buffered pbuffer

    Hi,

    So, is there any implementation where we have double buffered pbuffer?I have some question regarding the double buffered pbuffer

    1>Can we specify which buffer of pbuffer is used for...
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    Hi George, Thanks for your reply, now it is...

    Hi George,

    Thanks for your reply, now it is getting clear.

    So, that means "Is it possible that in the same EGL implementation i can have my windows surface as double-buffered whereas the...
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    Hi Santa, Amanith implementation says it does...

    Hi Santa,

    Amanith implementation says it does not include EGL implementation, then do you have any idea how they are supporting multiple client remdering API.

    I hv subscribed , but yet not got...
  21. Replies
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    Hi, Could you please share the code that you...

    Hi,

    Could you please share the code that you have seen the code for desktop.I am also looking for similar code, so to start with anything will help me.

    Thanks.
  22. Replies
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    You are right that there is no mentioning of...

    You are right that there is no mentioning of front buffer in the spec. Actually i have seen so i interpreted this visible window as the front buffer.

    Am i wrong here in my interpretation?
    ...
  23. Replies
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    Hi Xmas, I am quite new to this domain, so...

    Hi Xmas,

    I am quite new to this domain, so excuse me if i say anything which is not correct.

    Are pbuffers always single buffered or it depends on the underline EGL implementation?..Because, i...
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    no reply??

    I am little surprised to see no reply this..is the question not clear?..If not, then i can clarify if any one has doubt over the question
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    Thanks Nil, I understood your point, but my...

    Thanks Nil,

    I understood your point, but my question what is the interpretation/intent of the following statement that i quoted in my original post

    A surface and context are compatible if
    ...
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