framebuffer

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How can I get access to a video card frame buffer in a WPF app?

I\'m trying to write a (very minimal) WPF app which will look at a video card frame buffer and do some image analysis on the data.[详细]

2023-03-18 00:06 分类：问答
Google Chrome over Linux FrameBuffer

I am working on a project where I need to run Google chromium over Linux FrameBuffer, I need to run it without any windowing system dependency ( It should draw on the buffer we provide it to draw, thi[详细]

2023-03-15 07:29 分类：问答
read a pixel of the screen(i.e. 1024*768 which you can see now)

in Windows XP, C programming language I want to read a pixel of the screen(i.e. 1024*768 which you can see now) in fast way[详细]

2023-03-15 06:04 分类：问答
OpenCV 2.2 window causes problem on OpenGL

Here is very simple code .. Only thing is I repeated same code manytimes for detail debug. Detail info: OpenGL version 3.3.0, Window 7 OS and VS2008, OpenCV 2.2.0.[详细]

2023-03-13 12:58 分类：问答
Off-screen multiple render targets using Frame Buffer Object (FBO) or?

Situation: Generating N samples of a shape and corresponding edges (using Sobel filter or my own) with different transformations and rotations, while viewport (size=600*600) and camera remain constant[详细]

2023-03-09 02:00 分类：问答
Frame Buffer Object (FBO) and Render & Depth Buffers Relation

I saw many examples on the web (for example) which do the following Create and Bind FBO Create and Bind BUFFERS (texture, render, depth, stencil)[详细]

2023-03-08 12:22 分类：问答
Reading Frame Buffer Denied even after signing with system permissions

I signed my app with system permissions and I am using ndk to read from /dev/graphics/fb0. But I get a permissions denied error. Aren\'t system per开发者_Python百科missions suppose to allow you to do[详细]

2023-03-08 06:37 分类：问答
Fast swapping framebuffers OpenGL

I recently read that simply switching the render targets of a framebuffer object is much faster than switching framebuffer object.[详细]

2023-03-07 19:25 分类：问答
Driver to simulate keypresses into another process

How can I simulate a key being pressed in a given process on Linux? Xorg isn\'t running, the inputs are handled by D开发者_运维百科irectFBI\'m not entirely sure what you are trying to accomplish here.[详细]

2023-03-06 15:12 分类：问答
Using OpenGL ES 2.0 FrameBuffer (FBO) and Stencil in android Native code (ndk)

I am trying to generate a frambuffer object and use stencil inside a native android application using the NDK (r5b). Target device is running froyo 2.2, supporting OpenGL ES 2.0.[详细]

2023-03-05 23:24 分类：问答