View Profile: newbiecow - OpenGL Discussion and Help Forums

Yesterday, 10:23 AM

newbiecow replied to a thread Ask for examples of the orange book "OpenGL Shading Language" in OpenGL Shading Language

Thanks a lot, Dark Photon. You really give me a great help! Best regards, newbiecow

3 replies | 118 view(s)

Yesterday, 06:02 AM

newbiecow started a thread Ask for examples of the orange book "OpenGL Shading Language" in OpenGL Shading Language

Hi, dear all! After I read the orange book and searched the web, I found no place to download its samples' source code. But if such book exists,...

3 replies | 118 view(s)

12-31-2012, 02:15 AM

newbiecow replied to a thread Ask for example of rendering to texture and then sample using shader in OpenGL coding: beginners

Why nobody answers? Is it a really hard question?

7 replies | 318 view(s)

12-30-2012, 07:04 AM

newbiecow replied to a thread Ask for example of rendering to texture and then sample using shader in OpenGL coding: beginners

OK. After I modified the following code block as glBegin(GL_QUADS); glTexCoord2f(0, 0); glVertex2f(-1, -1); glTexCoord2f(1,...

7 replies | 318 view(s)

12-29-2012, 09:13 PM

newbiecow replied to a thread Ask for example of rendering to texture and then sample using shader in OpenGL coding: beginners

OK. I now put my code here. //---------------------------------------------------------------------------------------- //Here is our...

7 replies | 318 view(s)

12-29-2012, 10:04 AM

newbiecow started a thread Ask for example of rendering to texture and then sample using shader in OpenGL coding: beginners

I have tried to code in such case, render to texture and then sample using shader but failed due to missing something I guess. Can anyone provide an...

7 replies | 318 view(s)

12-27-2012, 05:28 AM

newbiecow replied to a thread Need some help in OpenGL coding: beginners

Carmine seems to be an expert in both programming and modeling. Take his advice, if CAD software can solve most of your problem, why bother...

7 replies | 547 view(s)

12-27-2012, 03:31 AM

newbiecow replied to a thread A simple question about glScissor(). in OpenGL coding: beginners

Thanks a lot, mbentrup! You've really provided something valuable. Best Regards, newbiecow

4 replies | 423 view(s)

12-24-2012, 10:13 PM

newbiecow replied to a thread Need some help in OpenGL coding: beginners

As far as I understand, your request can still be classified as three cases. 1. Perhaps this is most suitable in your situation. You use different...

7 replies | 547 view(s)

12-24-2012, 04:27 AM

newbiecow replied to a thread Opengl Robot.c in OpenGL coding: beginners

I'm sorry, the above method of collision test is so crude that only adequate for very simple situation where faces are no more than several hundred. ...

5 replies | 439 view(s)

12-23-2012, 08:17 PM

newbiecow replied to a thread Applying two rotations to the same object in OpenGL coding: advanced

OK. Optimus Prime. It seems you can't transform right. Any transformation order as t1,t2,...,tn. You should write your code as tn,...,t2,t1. ...

5 replies | 724 view(s)

12-23-2012, 08:04 PM

newbiecow replied to a thread Applying two rotations to the same object in OpenGL coding: advanced

Try first call the Y rotation then call the X rotation.

5 replies | 724 view(s)

12-23-2012, 07:46 PM

newbiecow replied to a thread Applying two rotations to the same object in OpenGL coding: advanced

Try first call the Y rotation then call the X rotation.

5 replies | 724 view(s)

12-23-2012, 06:11 AM

newbiecow replied to a thread Simple convolution question in OpenGL coding: advanced

You didn't see the first sentence I say in this thread here? "I at first think this a beginner' one but when I post there, nobody seems to work it...

4 replies | 359 view(s)

12-22-2012, 09:22 PM

newbiecow started a thread Simple convolution question in OpenGL coding: advanced

I at first think this a beginner' one but when I post there, nobody seems to work it out. So I put it here. Now, I stuck on another point of...

4 replies | 359 view(s)

12-22-2012, 09:54 AM

newbiecow replied to a thread A simple question about glScissor(). in OpenGL coding: beginners

Thanks a lot! And can you tell me what graphics card you are using? Or do you know whether the graphics card as ATI or Nvidia do scissor test before...

4 replies | 423 view(s)

12-22-2012, 09:47 AM

newbiecow started a thread Simple question about convolution on GL_RED in OpenGL coding: beginners

I wrote the following program: #include <stdio.h> #include <stdlib.h> #include <GL\glew.h> #define GLUT_DISABLE_ATEXIT_HACK #include...

0 replies | 154 view(s)

12-22-2012, 06:22 AM

newbiecow replied to a thread Opengl Robot.c in OpenGL coding: beginners

A general thinking way of dealing with collision is dealing with collision of triangles, given two triangles, you can write a no complex algorithm to...

5 replies | 439 view(s)

12-22-2012, 04:13 AM

newbiecow replied to a thread Noob has a problem with really simple OpenGL example in OpenGL coding: beginners

Have you enabled opengl depth test yet? It seems glEnable(GL_DEPTH_TEST) wasn't found in your code. Have you also cleared the depth buffer?

2 replies | 238 view(s)

12-22-2012, 01:15 AM

newbiecow replied to a thread Simple convolution question in OpenGL coding: beginners

So do you think this question is already not a biginner's one and should I post this question in the advanced opengl forum? Best Regards, ...

6 replies | 540 view(s)

12-21-2012, 09:55 PM

newbiecow replied to a thread OpenGL Programming Guide (7th Edition) Example Not Working in OpenGL coding: beginners

See the following section in your code: void spinDisplay(void){ spin = spin + 2.0; if (spin > 360.0) { spin = spin - 360;...

3 replies | 355 view(s)

12-21-2012, 07:22 PM

newbiecow started a thread A simple question about glScissor(). in OpenGL coding: beginners

Does the scissor operation such as glScissor() operate before the rasterization of the geometric elmenets or after it?

4 replies | 423 view(s)

12-21-2012, 06:34 PM

newbiecow replied to a thread Simple convolution question in OpenGL coding: beginners

Thanks, Dark Photon. This extension feature convolution, where in my code represented as "glConvolutionFilter2D", is definitely supported by my...

6 replies | 540 view(s)

12-21-2012, 06:59 AM

newbiecow replied to a thread Simple pbo usage question in OpenGL coding: beginners

Hi, Dear aqneup! You solved my question. And you seem to be very familiar with AMD's opengl extension. Are you an employee of AMD? Can you tell me...

2 replies | 372 view(s)

12-21-2012, 05:39 AM

newbiecow replied to a thread Simple convolution question in OpenGL coding: beginners

Why nobody answers? Is this a hard question? Impossible! Best Regards, newbiecow

6 replies | 540 view(s)

12-21-2012, 12:57 AM

newbiecow replied to a thread views of a cube in OpenGL coding: beginners

The idle function and its usage in one of my programs, I use it to rotate. static void idle(void) { spinAngle += 0.03125; /* Add a small...

3 replies | 386 view(s)

12-21-2012, 12:30 AM

newbiecow started a thread Simple convolution question in OpenGL coding: beginners

Now, I stuck on another point of convolution. I have written the following code: GLubyte convolutionTable3x3= { {1,1,1}, {1,1,1},...

6 replies | 540 view(s)

12-19-2012, 01:15 PM

newbiecow started a thread Simple pbo usage question in OpenGL coding: beginners

Hi, Dear All! I've now stuck on a point of dealing with pbo object. I've written the following code, GLubyte data; ...

2 replies | 372 view(s)

12-17-2012, 03:57 AM

newbiecow posted a visitor message on Lee_Jennifer_82's profile

Have I solved your question already?

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