framebuffer

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Transparent FrameBuffer background in OpenGL

I want to use glClear and glClearColor to fill a frame buffer with a colour including alpha transparency. However the framebuffer always renders as opaque when binded to a texture which is rendered to[详细]

2022-12-17 22:27 分类：问答
Lines do not render on an offscreen frame buffer with a completely black texture

If I have a frame buffer which has a textured binded to it which is simply black with full alpha and I try to draw a line to it, even if the line has full alpha it wont render. I\'m not stupid, so the[详细]

2022-12-16 09:48 分类：问答
Trying to render to texture using framebuffer always results in white texture

Using a couple of posts here in StackOverflow, I created what is supposed to be a simple render-to-texture using a framebuffer.[详细]

2022-12-14 13:18 分类：问答
Problem using FBO: Only first pass renders. A possible problem at setting render target back?

I have a huge problem with using FBO. I have a multi-pass display using FBOs and multitexturing. Everything seems to work fine until the end of first execution of display.[详细]

2022-12-13 22:37 分类：问答
How to draw the graph in framebuffer using c language..?

i am new to this linux framebuffer so do anybody guide me to draw the line-graph in framebuffer. And开发者_JAVA百科 i have the code to draw graph in turbo c but now in linux. So please help me out.[详细]

2022-12-13 04:34 分类：问答
inteldrmfb api?

I have a kernel 2.6.31 booting from a USB stick using Intel 915 based KMS to get to graphics mode. It appears to be setting itself to the native resolution and its booting nic开发者_JAVA百科ely into f[详细]

2022-12-13 03:40 分类：问答
Taking a Screen Shot of an Embedded Linux Framebuffer

I\'m running Embedded Linux on an evaluation kit (Zoom OMAP35x Torpedo Development Kit). The board has an LCD and I would like to be able to take screen shots convert them into a gif or png. I can get[详细]

2022-12-09 23:36 分类：问答