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OpenGL frame buffer
2022-07-07 08:54:00 【Naturally, and】
Blog late at night .
Frame buffer :
Color buffer used to write color values 、 The combination of the depth buffer used to write depth information and the template buffer that allows us to discard specific fragments according to some conditions is called frame buffer .
OpenGL Allows us to define our own frame buffer , That is, we can define our own color buffer , Even depth buffering and template buffering .
Four conditions of frame buffer :
- Attach at least one buffer ( Color 、 Depth or template buffer ).
- At least one color attachment (Attachment).
- All attachments must be complete ( Memory reserved ).
- Each buffer should have the same number of samples .
The attachment Is a memory location , It can be used as a buffer of frame buffer .
When creating an attachment, we have two options : Texture or render buffer objects (Renderbuffer Object).
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