As of yet, my renderer has not handled streaming of vertex and index data. This is ok for small and mid-sized scenes where nothing too special...

Here are my shaders: Vertex Shader: in vec4 v_color; flat out vec4 out_color; in vec2 Position; void main() {

I am using depth multisampled textures. I have 2 attachments to FBO: 1. Depth-stencil attachment of a texture 2. Color attachment of render buffer. I...

Have written the following code: glPixelTransferi(GL_MAP_STENCIL,TRUE); long timeBeforeDrawPixels=timeGetTime(); ...

I am rendering geometry on non default FBO and applying it as integer texture to the geometry rendered on default FBO. To clear a color on non...

Hello. I'm trying to load a 32 bit image with the Windows Imaging Component and use it as an opengl texture. The problem is that my code generates a...

Alright here goes, I am in the middle of porting our rendering from fixed-function to fully programmable with a 3.2 core context and glsl 1.5....

hey, yesterday i've finally got my AMD card for test(HD6670) and what a piece of crap it is... i'm talking mostly about drivers. i can't debug....

I am very new to GLX, i have created a xwindow as a drawable, i have a glxpixmap, i need to copy a bytearray data to this pixmap. Is there any...

i guess, there's a big reason for that, which i am missing. so that's why this topic is not in the suggestions forum. but googling "opengl...

Hello, I am trying to get omni-directional shadow mapping to work. However, I can't seem to be able to actually render anything to the cube map...

Worried that I read the specification wrong, but I think it says that DEPTH_STENCIL_TEXTURE_MODE is texture state only (i.e. not sampler state,...

so conditional render always passes if i use GL_QUERY_NO_WAIT, or stalls the GPU driver if i use GL_QUERY_WAIT as a parameter. i couldn't find much...

I am an experienced C programmer with a basic understanding of OpenGL. I have designed a multimedia service that runs on a pure Ubuntu server (no...

I'm trying to locate open source 3D engines on Linux that use "modern" OpenGL 3.3+ with MIT / BSD / zlib licenses. Here's what I'm aware of: Ogre...

Hey I Need a sample (very simple) to draw an pseudo infinite plane with a grid as seen in the image: I'm starting to learn OpenGL in QT......

I have a regular grid. I need to subtract someirregular part from it as shown in the figure. I know the coordinates of theportion to be subtracted....

Hey there, I'd like to ask for your help. I'm encountering a rather odd phenomena with my shaders. I noticed it first that sometimes, the game I...

i am implementing render to texture concept and have doubt regarding scope of a FBOs. After i am done with glDrawArrays call on default FBO with...

It appears that hardware accel is working on my machine, but it still shows the pesky Mesa. I've deinstalled everything Mesa-related that won't...

I am making a raytracer using GLSL. I have it working but the zbuffer is not working correctly. I believe it is because I dont know exaclty what...

What are some concepts every OpenGL programer whether new or old should know from memory without having to look at documentation? Off the top of...

I have a code that does the 2 pass shadow map creation. It generates the depth buffer into a 2D texture and the does the rendering again to make the...

Am reading Learning Modern 3D Graphics Programming by Jason L. McKesson Am having some trouble running the tutorials. First I thought they would...

Correct me if I'm wrong, but people who use to program in Borland C++ would experience divide by zero messages, right? I think it is because in...

I'm trying to render to a FrameBufferObject, and then render that to another FrameBufferObject. Since I couldn't get it working in my game engine, I...

Hello, I have a 2D application which is an image viewer. I have the ability to pan around the image in the window and I have a basic zoom. Now...

Hi. I'm not good at English well, so please understand me. :) I am beginer, study OpenGL for studying graphics performances. OpenGL...

I have a texture drawn in a quad. The texture has mimaps attached to it. I access the texture the usual way, with texture(sampler, coord);According...

Hi All, I have an interesting anomaly on NV 3xx.xx drivers. Namely, transform feedback that works correctly on NV 2xx.xx drivers breaks...