framebuffer

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How to assign /dev/fbX?

I would like to assign /dev/fbX device like below. /dev/fb0 for USB-LCD device. /dev/fb1 for Main Display device.[详细]

2023-01-21 17:07 分类：问答
How can I capture frames from X11 into a file?

I think there should b开发者_StackOverflow中文版e some sort of internal support on screen capture utilities with X11. So how can I capture frames from X11 frame-buffer into a file, e.g. AVI, JPEG, etc[详细]

2023-01-19 06:12 分类：问答
Video as voxels in OpenGL

Any good references on displaying sequence of images from a video a开发者_JAVA技巧s voxel data in OpenGL? I want to display all these images at once as a cuboid with 50% alpha and navigate using keybo[详细]

2023-01-19 04:31 分类：问答
iPhone OpenGL ES Contexts and Framebuffers

I\'m attempting to setup a framebuffer properly in order to support depth and correct perspective. I\'m using the OpenGL ES Application template in XCode and I have been following the guidelines in th[详细]

2023-01-08 17:28 分类：问答
How to change default framebuffer for Android?

i\'m porting android to an overo gumstix. thus it seems the the omapfb driver has some problems on that platform. it doesn\'t matter at all, because i want to use udlfb (a driver for usb displays) any[详细]

2023-01-06 14:40 分类：问答
Using OpenGL Without X-Window System

How to OpenGL on Linux Platform Without X-Window System, can I send OpenGL Graphics Directly to Framebuffer Device?[详细]

2023-01-03 04:27 分类：问答
Android source code not working, reading frame buffer through glReadPixels

I am new to Android development and have an assignment to read frame buffer data after a specified interval of time.[详细]

2023-01-02 21:45 分类：问答
framebuffer not available

I am trying to run an application that uses framebuffer on 2.6.31-14-generic #48-Ubuntu. All need to do is to install a framebuffer device to get开发者_如何学Python rid of the following error.[详细]

2022-12-30 18:43 分类：问答
opengl invert framebuffer pixels

I was wondering was the best way to invert the color pixels in the frame buffer is. I know it\'s possible to do with glReadPixels() and 开发者_开发问答glDrawPixels() but the performance hit of those c[详细]

2022-12-26 23:55 分类：问答
How can I successfully perform hidden line removal after pass through FBO?

I\'m trying to perform hidden line removal using polygon offset fill. The code works perfectly if I render directly to the window buffer but fails to draw the lines when passed through a FBO as shown[详细]

2022-12-25 10:12 分类：问答