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136 views

What is “ping pong” in the context of graphics rendering?

I have to render a scene, once per light, and blend the result of the various passes. I heard and read that one way to increase performances and render targets to use would be ping pong. I'm new to ...
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0answers
955 views

Multiple Render Targets, Multiple Fragment Shaders

I render a normal and a depth image of a scene. Then I want to reuse these two images to do further texture/image processing in a second fragment shader. I use a framebuffer with 3 textures attached ...
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2answers
732 views

Do rendered-to-textures need to be bound when being drawn to?

In OpenGL, if I'm rendering to a texture using a framebuffer, do I have to have that texture bound while I'm rendering to it? In code: glBindTexture(...); glTexImage2D(...); glBindFramebuffer(...); ...