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Type: Posts; User: sajis997

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  1. Replies
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    Any example opengl code you could refer me to ?

    Any example opengl code you could refer me to ?
  2. Replies
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    so far started with the triangular mesh.

    so far started with the triangular mesh.
  3. Replies
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    794

    I think I found a solution while googling it up. ...

    I think I found a solution while googling it up.

    http://paulbourke.net/papers/conrec/


    What do you think ?
  4. Replies
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    generate contour from the 3D model

    Hello forum,

    I have to create contour around the 3D model . Can anyone refer me to any algorithms that does it efficiently ?


    Thanks
  5. Replies
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    Hi I wish I could forward you the link that...

    Hi

    I wish I could forward you the link that made the statement, but it is not in English. It is related to 3D printing and the entity that works in that domain is looking for a thesis worker.
    ...
  6. Replies
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    conversion of 3D data to 2D data

    Hello forum,

    I am not sure if this the thread where the issue is to be posted. When one of the possible responsibilities of a 3D programmer is to convert 3D data to 2D data - what exactly does it...
  7. Replies
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    Here goes the snippet that initializes the buffer...

    Here goes the snippet that initializes the buffer and assign the data:



    void TriangleScene::initialise()
    {
    //return if already initialized
    if(mInitialized)
    return;
  8. Replies
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    glVertexAttribPointer

    Hello forum,

    I am confused about the specification of one of the parameter in the above mentioned function - stride. According to the documentation it says that -

    "Specifies the byte offset...
  9. Replies
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    lighting calculation in eye coordinates

    Hello forum,

    I came to know that we calculate the lighting in eye coordinates. In that case we have to transform the light position to the eye coordinates using the model-view matrix...
  10. highest tessellation level - inner and outer

    Hello ,

    Is there any command to determine the highest tessellation level for the current opengl driver (OpenGL 4.x) installed in the system ?

    Thanks
  11. Replies
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    make a transiton to the modern opengl

    Hello forum,

    I have some GLSL shader code from OpenGL 2. I need some hint to make the transition to the modern opengl GLSL code. Could anyone point me to any references/material that will help me...
  12. Replies
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    Sorry Folks , To get you into this. It was...

    Sorry Folks ,

    To get you into this.

    It was a tiny mistake. It was before :



    glUniform1f((*shader)("BrickTex"),0);
    glUniform1f((*shader)("MossTex"),1);
  13. Replies
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    Hi again, Since i did not get any response...

    Hi again,

    Since i did not get any response from the forum for a while, i thought of posting the whole source for your review:



    #include "defines.h"
    #include "GLSLShader.h"
    #include...
  14. Replies
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    546

    Actually i am , sorry that i did not upload them...

    Actually i am , sorry that i did not upload them in my last post. Here it goes:



    void loadShaders()
    {
    shader = new GLSLShader();

    ...
  15. Replies
    4
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    546

    multitexturing

    Hello forum,

    i am trying to implement a simple multi-texturing sample as follows, but i just see output of one texture:



    void startup()
    {
    loadShaders();
  16. Replies
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    Hi , Check the following function : ...

    Hi ,

    Check the following function :



    void glTexStorage2D( GLenum target,
    GLsizei levels,
    GLenum internalformat,
    GLsizei width,
  17. Replies
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    Hi In the debugger i got the following value...

    Hi

    In the debugger i got the following value for channels , image width and image height. I am using .tga image format as you can see from the snippet:

    channel - 3
    width = 1024
    height = 1024
  18. Replies
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    basic texture mapping

    Hello folks,

    Any there any problem with the following code:




    void loadTextures()
    {
  19. application crashes with the window resize event

    Hello forum;

    I have the following inside the window resize callback :




    void framebuffer_size_callback(GLFWwindow *window,int width,int height)
    {
  20. Fur rendering with the geometry shading technique

    Hi forum,

    I am trying out the basic shell fur rendering from the opengl redbook programming guide and i am having the following fragment link error :



    Compile log: 0(18) : error C7576:...
  21. Replies
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    Thanks for the hint. I made the necessary...

    Thanks for the hint.

    I made the necessary changes within the application and the shader as follows:



    glEnable(GL_CULL_FACE);


    inside the tessellation evaluation shader:
  22. Replies
    3
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    patch rendering and backface culling

    Hi forum,

    i am rendering path primitive with the following command:



    glPatchParameteri(GL_PATCH_VERTICES,16);
    glBindVertexArray(mTeapotVAOID);
    glDrawArrays(GL_PATCHES,0,512);
  23. Thread: vertex data

    by sajis997
    Replies
    1
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    312

    vertex data

    Hello forum ,

    Is it mandatory to have the vertex data of a mesh within [0,1] to render it. I have pulled out vertex data that has the following format:



    float TeapotPositions[289][3] = {
    {...
  24. Uniform Buffer Object and some issues with it

    Hello forum,

    I have implemented a uniform buffer object with simpler settings and now i am confused once i started to try with something complex. And i need some hint to get around this issue....
  25. get the mipmap level from the texture image

    Hello folks,

    It may be is a bit off-topic here. I want to access the information about the mipmap level count from the image header. There are many OpenGL image loading libraries for texturing,...
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