Part of the Khronos Group
OpenGL.org

The Industry's Foundation for High Performance Graphics

from games to virtual reality, mobile phones to supercomputers

Search:

Type: Posts; User: CarstenT

Page 1 of 4 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    3
    Views
    769

    hi GClements & all, I went through 3...

    hi GClements & all,
    I went through 3 implementations of the GLU tesselator and did not find any code that could be used by a core forward compatible profile. As mentioned I've closed in on my own...
  2. Replies
    0
    Views
    270

    Transparency issue,

    Hi all,
    Have a look at these images:
    https://onedrive.live.com/?cid=382E99B169B58267&id=382E99B169B58267%21312&parId=382E99B169B58267%21136&o=OneUp...
  3. Replies
    3
    Views
    769

    I'm loosing my aversions toward the glu...

    I'm loosing my aversions toward the glu tesselator .. thanks GClements
  4. Replies
    3
    Views
    769

    subdividing a polygon

    Hi all,

    I would like to ask you seasoned folks if there is a open-source library for subdividing a polygon (polyline) into a nice cover of triangles? I've discarted the glu-tesselator .. I work in...
  5. Replies
    8
    Views
    1,222

    hi Again, Reinheart, I'll try to remember the...

    hi Again,
    Reinheart, I'll try to remember the OpenGL wiki, thanks. I use the docs for quick references, and as a last line of defense. As mentioned, the functions are fairly easy to 'comprehend'....
  6. Replies
    8
    Views
    1,222

    Reinheart, I did try. I've just hurried out of...

    Reinheart, I did try.

    I've just hurried out of the door to write you about my conserns about the Man Pages of bible 5 -- and I grabbed the wrong book. So' I'll try to memorize. I've been testing...
  7. Replies
    8
    Views
    1,222

    If any of you know a good site with example-code...

    If any of you know a good site with example-code of this function, please put it forward. Both books mentioned are scant about complete code with these functions. I'm having...
  8. Replies
    8
    Views
    1,222

    What happened to...

    Hi all,
    I've spent wasted time on getting glLineWidth to work on a core profile.
    I think that I was fooled by GL_TRIANGLE vs. GL_TRIANGLES too,
    but I'm passed that.

    glDrawElements(..) is...
  9. Replies
    3
    Views
    1,326

    hi all, as for the 'more than one...

    hi all,
    as for the 'more than one vertex-shader'-question .. I fell on the C notion .. 'as long as there is only ONE main()'
    ... makes sense ;o)
  10. Replies
    37
    Views
    4,758

    hej pbivens, I don't know why all the fuss about...

    hej pbivens,
    I don't know why all the fuss about why .. I've sat down to pop the same question, and it turned out that it was the most resent question.
    I can suggest why: If one does not take...
  11. Thread: ordering code

    by CarstenT
    Replies
    2
    Views
    851

    hi Reinhardt, Yes, I'm having compilation...

    hi Reinhardt,
    Yes, I'm having compilation issues. I've tried out opengl-code for a while, to get a gist of the whole thing. It works, but it's a mess, so I've desided to use it as a copy/paste base...
  12. Thread: ordering code

    by CarstenT
    Replies
    2
    Views
    851

    ordering code

    Hi all,
    I've started at a fresh to order my opengl code. It's panned out in a lot of auxillery-stuf, but everytime I employ opengl-stuff the compiling does not respond as expected.
    I've ordered my...
  13. Replies
    0
    Views
    527

    geometric hit-testing solution

    Hi all,
    I'll pop as solution to a question that most of you will ask yourself sooner or later. It's a hit-test alternative to reading an extra depth-buffer. It uses a C++ function object which is...
  14. Replies
    3
    Views
    1,326

    Hi Paola, I'm sorry for taking so long to...

    Hi Paola,
    I'm sorry for taking so long to respond to you, but .. this is actually my third response! The first was written before I realized that I actually uses flips between glUseProgram(..) with...
  15. it sounds like an off-by-one error .. check all...

    it sounds like an off-by-one error .. check all your counts and sizes
  16. Replies
    3
    Views
    1,326

    cheep/expensive calls?

    Hi good people,

    I'm using a 32 bit executable of Code::Blocks ver. 12.11, glew, GLFW3 and OpenGL 3.3 with a core profile.

    In "OpenGL Shading Language" ver.3 page 209 the author writes:
    quote...
  17. Replies
    7
    Views
    1,823

    for what it's worth: A few years ago I noticed...

    for what it's worth:
    A few years ago I noticed that MIT had a free online course on openGL - I tried to pursue it last year, but it was no longer available.
  18. Replies
    2
    Views
    3,959

    mhagain, thanks for the concise reply.

    mhagain,
    thanks for the concise reply.
  19. Replies
    2
    Views
    3,959

    glewExperimental

    hi,

    What is it about glewExperimental? It's the magic ingrediens for things that doesn't work, but where's the difference between ordinary GLEW and glewExperimental? Is it some shady...
  20. yes, but what? As for the destructor it's called...

    yes, but what?
    As for the destructor it's called implictly .. and it'll have to take an advanced programmer to figure out why it cannot go through with the deletion.

    void myFunc( vector<unsigned...
  21. passing data, the indicesbuffer, vectors & runtime-error

    I'll take my chance to pop a strictly c/c++ problem ... sorry if it's a problem.
    I gather a varied set of indices for minor geometric primitives and they go into the indices-buffer .. and a vector...
  22. Replies
    5
    Views
    2,969

    Thanks for the input. The performance-penalty was...

    Thanks for the input. The performance-penalty was not a fig of my imagination then. Alexandar, it's not so much a particular task, but rather a potential for problem-solving in general. As a newb I'm...
  23. Replies
    5
    Views
    2,969

    geometry-shader .. just, how slow?

    Hi all,
    My first 3d was terrain-data. Pretty easy, all things considered. To cope with the excessive data I tried to involve the geometry-shader. The framerate dropped to 20-30 % by just using the...
  24. Replies
    1
    Views
    2,075

    hi all, ok, fixed it! glMapBufferRange() takes...

    hi all,
    ok, fixed it! glMapBufferRange() takes byte-offsets and length, but the (GLfloat*)positions takes ... floats
  25. Replies
    1
    Views
    2,075

    glMapBufferRange() ...dynamic drawing?

    Hi All,
    I've got an app that works well on static data, and it's time to try to work on data click'ed in and dragged by the mouse. I've made the assumption that glMapBufferRange would fit the...
Results 1 to 25 of 87
Page 1 of 4 1 2 3 4