Hello, I am going to work with human intestine model. A pill cam will pass through the intestine and look for any abnormalities inside the intestine....

I read some pages on google but still confused about working of multisample textures. Can anyone explain this concept? If possible please explain it...

Hello, This problem may not be related directly to shaders, but I don't even know exactly where the problem is. Since I moved from fixed pipeline...

Hello, I recently bought the new redbook 8th and it is really good so far. I also know its not done yet but their website is now down since 2...

Basically I placed my textures and everything on the window and now I want my sphere or the ball to move left or right, I have the special key code,...

Hey. I have this code #include <iostream> #include <GLUT/GLUT.h> using namespace std; void display(); void reshape(int, int);

I am a beginner in OpenGL. I want to create two panels in a window. Each will have different view for a particular object. Could any one suggest me...

NOTE: This is a continuation of a thread about problems with the glGenVertexArray() function, but apparently the problem is that my program is not...

Hey guys, For the last couple of days I got interested in Instanced Rendering. After some research and examples, I tried to do a little test...

Hello, I had an old code like this : glColor(c); glCallList(l); I replaced it with : LoadShader(); SendColor with glUniform glCallList(l);

I'm looking for a good way to include GLSL code in our C/C++ application. In the examples I've seen, the code is included in separate .glsl files. It...

I have a simple rectangular shape in my application which I am rotating fixing one of its side, and rotating around the X axis. The rotation looks...

Hey everyone :) First of all a minor introduction. I'm not exactly a beginner when it comes to programming. First experience with programming...

Like in topic. I want to make very accurate collision system, so I'm trying to use pixel perfect collision. I think I tried to find a solution almost...

I'm a beginner in opengl, recently I'm learning GLSL. but I find it's really difficult to dubug because I can't make break piont in shader...

Hi, I am opening multiple window using fortran and OPENLGL. Now the problem I am facing is that the first window I am opening comes as blank...

I have a problem with OpenGL for counter strike 1.6, it doesn't work on windows 8, Can anyone give me a solution on how to make it work??

I've asked this question on SO, but with no answer so far (and with one close request, typical SO...) I'm having the following problem. While...

Hi, I have a problem with OpenCL on my Ubuntu 12.04 box and a NVIDIA 7100 GS card I use this very basic source : #define...

Hello, I am currently trying to use the layout-syntax in combination with "in" and "uniform" variables in my vertex shader. Here is my...

In programs I write using strictly forward compatible, core profiles (and typically 4.2), I have noticed that per-vertex attributes specified using...

I am drawing a polygon with texture on it as part of the HUD in my OpenGL program: //Change the projection so that it is suitable for drawing...

What does glViewport do when you are using OpenGLES 2.0? Isn't everything defined by the various matrices you use in the shaders? Bob

I have a dynamically generated "grid" (more of a lattice, if anything) with variable distances between lines that I'm drawing via VBO and GL_LINES....

Hi, I've been working on computing image histogram using OpenGL compute shaders, but it's very slow. What I do is to divide image into rows...

Looking at this tutorial, I noticed an interesting little calculation to get per-fragment depth from the camera. float z = gl_FragCoord.z /...

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

First of all, hi! I'm a 2nd year in IT that's into game design, and recently came across a stump, because software rendering is taking too big a...

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...

hello, i would like some fresh ideas to help solve my issue. so i have engine with deferred rendering, i already have implemented point lights...