It says "OpenGL renderer initialized (using 4 texture stages)" shows in stdout and i'm using buffer.displayGLOnly(); to present the data. The rendering only seems to take fairly long when using replaceTexture or addTexture. I guess i'll just leave to my processor not being powerful enough for such a thing yet. The blitting is fast enough but it takes about 70% CPU for the whole render loop that way.

Unfortunately that resulted in being about as slow as scaling it, even without U/V. I went in and timed some stuff the grabbing of the image took between 7 and 25 ms, the clearing and applying to a new image took 7-12 ms, but whole process of replacing the texture would take either about 56 ms and ~207 ms alternating between the two the entire time:

~56,~207,~56,~207,~56,~207


If i do everything except replace the texture i get about 60 ms for the whole render loop, using drawing onto the buffer. So i feel my question should be reformated to can i use a texture without texture manager?

Edit: It appears after some code profiling that TextureManager adding a new texture is the cause of the slowdown not the resizing. Is there a way to bypass TextureManager?

I'm tinkering with the ability to take frames directly out of a video stream via a DirectShow wrapper, and place them as a texture, this works fine when just presenting to a JPanel, but when it's resized to place as a texture on a Plane it causes my CPU to not be able to keep up. Is there anyway to change the size textures to be larger than 256x256 by default? Though the movie i was testing with is 720x540, so i suppose some form of sampling would be required? Would there be a better way to render a video to 3d?

Currently, i use a frame grab, which returns a AWT.Image, then i use that to replace the texture in the textureManager.

Or perhaps a way to resize on the GPU?