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Type: Posts; User: giordi

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  1. I got more information on the matter if anyone is...

    I got more information on the matter if anyone is interested. Looks like the value for the max uniform size is not for any uniform array, but basically the whole memory that can be used by uniforms....
  2. Possibly unused uniform and texure, are they concern for performance?

    Hi there, I am currently in the process of trying to clean up my shaders.
    For the rendering my mesh I currently have a shader that can render phong lighting with a colour texture, shadow and...
  3. Tracked the problem all the way up to glewInit()....

    Tracked the problem all the way up to glewInit().
    After much research I found that is actually a know bug in glew since years, to know more please refer to:...
  4. after furtther investigation looks like opengl...

    after furtther investigation looks like opengl crashed way before my assertion, i will walk back the stack trace , i will report when i find more
  5. creating rendering context other than 3.0 makes app crash

    Hi everyone, I have been working on my game engine for a while now, I am using glfw to create and initialize the window and the context. Everything worked fine until I tried to ask glfw to create me...
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    ShadowMap not rendering, FBO full white

    Hi guys, I have been trying to get shadow mapping working for the past couple of days and no luck, I tried pretty much every tutorial I could find on the internet, even though I am mostly following...
  7. Are you sure this is getting called? if...

    Are you sure this is getting called?

    if (_vboID == 0) {
    glGenBuffers(1, &_vboID);

    are you manually initializing hte _vboID to 0 or relying on the compiler to do so?
    Also I think you are not...
  8. @Alfonse, sorry my terms were not precise, true I...

    @Alfonse, sorry my terms were not precise, true I am using a uniform, not a uniform buffer. About using texture, I am not a opengl expert but talking to colleagues of mine they often told me they...
  9. Maximum array size for uniform attribute not matching up

    Hi folks! I did not write in the forum for a while! But I got a question now.
    In my skinning shader I am using a uniform buffer for the matrices instead of a texture. It works great. Then I queried...
  10. I solved the mastery, I had an intuition that...

    I solved the mastery, I had an intuition that some rounding was happening there, so I went investigating what was the resolution for floating point numbers in opengl ES and look like you have 3...
  11. what GClements means is, your output of the...

    what GClements means is, your output of the fragment shader is what you set inside gl_FragColor. After all that s what is going to be rendered for that fragment. Now when you do all your calculation...
  12. same GLSL code different result webGL and Opengl ES

    Hi folks, I am here because I have a problem is driving me nuts.
    I developed a webgl viewport which is basically a ripoff/conversion of one I made in c++. Everything works fine on pc, both chrome...
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    I am using shader pipeline, that s what I was...

    I am using shader pipeline, that s what I was thinking , remapping the texture coordinate in the correct range, I was wondering if this was correct approach.
    Now I need to find a way to figure out...
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    THank you for your answer , i knew the wrap...

    THank you for your answer , i knew the wrap methods , problem is I dont want any of them , I dont want to tile , I dont want to extend the color etc.
    If I am correct when I load the texture no...
  15. Does ur program work without using a shader?...

    Does ur program work without using a shader? opengl should draw with a default color , for example if i draw without shader it draws white.
    If without shader works well then you are 100% sure the...
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    how to handle texture outside range 0-1.0

    Hello everyone , I would like to load a model (obj ) in my 3d viewport , I can load it no proble all works good.
    I also wish to load the texrure , only problem is that the texture ranges bigger then...
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    Is quite hard to understand you man :) I am not...

    Is quite hard to understand you man :)
    I am not exacly sure what you need but you can check here:
    https://www.youtube.com/playlist?list=PLRwVmtr-pp06qT6ckboaOhnm9FxmzHpbY

    It goes all the way...
  18. Drawing wireframe single pass , switch on off

    Hello everyone !
    My name is Marco Giordano and I am new on this forum.
    I started studying opengl for a month or so and I was able to get some basic decent result, a 3D viewport with loading objs,...
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