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Questions tagged [fbo]

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Convey screenspace bounding box of rendering result

Imagine I render to an FBO some arbitrary geometry. Geometry can be rendered via single or multiple draw calls. For the sake of the question, assume I know nothing about geometry or transformation ...
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How to update FBO's depth texture?

I have an FBO with only 16-bit depth attachment: glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, w, h, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, nullptr); I ...
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OpenGL ES 2.0 Framebuffer stays empty?

As first I want excuse me for opening another FBO question. I found alot of them but I still can not manage to get it working. I want to implement a framebuffer class for postprocesing in my 2D ...
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OpenGL FBOs and rendering scene in layers

I have three different layers in which my scene is organized, meaning I can place different entities in different layers. The layers are rendered in order, let's call them LAYER_1, LAYER_2, and ...