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Type: Posts; User: abhijeet9888

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  1. Replies
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    1,968

    Re: Using glTexImage2D with GL_ALPHA

    Issue resolved
  2. Replies
    1
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    1,968

    Using glTexImage2D with GL_ALPHA

    Hi,
    I am trying to use GL_ALPHA as internal format in glTexImage2D.
    My code goes like follows :


    GLubyte data[4] ={255,16,8,64};

    glGenTextures(1, &textureId);
    glActiveTexture ( GL_TEXTURE0...
  3. Replies
    2
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    3,067

    Re: using glDrawElements() with VBO

    Hi
    If you want to update VBO data why not use glBufferSubData ??
    This API will update specific values (or entire array as well).
    With this API there wont be any need to change vertex information...
  4. Replies
    3
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    6,513

    Re: OpenGL es sphere tutorial

    Hi,
    Drawing a sphere in opengl es 1/2 is quite difficult . First of all there is no built in function for this and secondly you have to draw using basic primitives only viz. triangle,point,line.
    ...
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