Top "Vertex-buffer" questions

A Vertex Buffer is an object that enables transmitting a collection of vertices to a graphics device for non-immediate or streaming rendering.

When are VBOs faster than "simple" OpenGL primitives (glBegin())?

After many years of hearing about Vertex Buffer Objects (VBOs), I finally decided to experiment with them (my stuff isn't …

performance opengl graphics vbo vertex-buffer
OpenGL. Updating vertex buffer with glBufferData

I'm using OpenGL to implement some kind of batched drawing. For this I create a vertex buffer to store data. …

opengl streaming vertex-buffer
Hard time understanding indices with glDrawElements

I'm trying to draw a terrain with GL_TRIANGLE_STRIP and glDrawElements but I'm having a really hard time understanding …

opengl vertex-buffer vertex-array indices
Updating vertex data in a VBO (glBufferSubData vs glMapBuffer)

I want to update an object's list of vertices after a VBO has been created. I've seen both glBufferSubData and …

opengl vertex-buffer
OpenGL ES 2.0 and vertex buffer objects (VBO)

I can't figure out how to use a vertex buffer object for my terrain in opengl es 2.0 for iphone. It's …

iphone opengl-es-2.0 shader vbo vertex-buffer
Does interleaving in VBOs speed up performance when using VAOs

You usually get a speed up when you use interleaved VBOs instead of using multiple VBOs. Is this also valid …

opengl vertex-buffer arraybuffer
How to get VBOs to work with Python and PyOpenGL

The following Python program should draw a white triangle in the upper right quadrant of the window. import pygame from …

python opengl pygame vbo vertex-buffer
OpenGL Vertex buffer object, can I access the vertex data for other uses such as collision detection?

I'm currently using the GLTools classes that come along with the Superbible 5th edition. I'm looking in the GLTriangleBatch class …

opengl collision-detection vertex vertex-buffer vertex-array