Top "Fbo" questions

Reading the pixels values from the Frame Buffer Object (FBO) using Pixel Buffer Object (PBO)

Can I use Pixel Buffer Object (PBO) to directly read the pixels values (i.e. using glReadPixels) from the FBO (…

opengl framebuffer fbo glreadpixels pbo

How can I resize existing texture attachments at my framebuffer?

When I resize my window, I need to resize my textures that are attached to my framebuffer. I tried calling …

opengl fbo

Rendering to cube map

According to ARB_geometry_shader4 it is possible to render a scene onto the 6 faces of a cube map with …

opengl glsl fbo

How to check which Frame Buffer Object is currently bound in OpenGL?

I'm working with OpenGL Frame Buffer Objects. I have created a Frame Buffer Object with 2 color textures and a depth …

c++ opengl graphics framebuffer fbo

glGenFramebuffers or glGenFramebuffersEXT?

I'm confused. To use the Framebuffer Object extension (FBO) in OpenGL 1.x on Windows, which of these do I use?: …

c++ windows opengl driver fbo

How to use Multisampling with OpenGL FBOs

I'm trying to enable mutlisampling and alpha-to-coverage for an FBO. Using the default framebuffer, all I have to do is …

c++ opengl fbo multisampling

Best method to copy texture to texture

What is the best method to copy pixels from texture to texture? I've found some ways to accomplish this. For …

opengl copy textures benchmarking fbo

glReadPixels from FBO fails with multisampling

I have an FBO object with a color and depth attachment which I render to and then read from using …

opengl fbo multisampling

OpenGL ES to video in iOS (rendering to a texture with iOS 5 texture cache)

You know the sample code of Apple with the CameraRipple effect? Well I'm trying to record the camera output in …

ios opengl-es-2.0 fbo glreadpixels

glGenFramebuffers, glBindFramebuffer etc undeclared

I'm trying to set up a frame buffer object but I am getting errors. glGenFramebuffers is always undeclared, as are …

opengl framebuffer fbo undeclared-identifier