James Sheridan wrote: > Currently we do what you mention via displaying the slideshow across > 3 monitors linked into one display (via and AMD eyefinity card) and > then using hardware capture (via a blackmagic declink quad capture > card) to capture this into our warping solution (which runs on OSX). > We would like to move away from needing a second computer for this > though and creating an extension/plugin for Libre that just sends > the output texture to our warping solution.....or any other syphon > apps, mad mapper, resolume, vdmx etc. > Hi James,
so there is no ready-to-run texture for you, at least not now, and not in the general case. If a slideshow contains animations, naturally even when using opengl, you'd have a number of time-varying textures composited over another. I wonder where the need for textures as such comes from - in the end you want the pixel, no? The stuff that gets blitted to screen is composited here: canvas/source/vcl/spritecanvashelper.cxx, method SpriteCanvasHelper::updateScreen() - look into maVDev there (but sure, on a Mac, that ends up in a texture eventually before reaching the display - at least the method above gets called exactly when new content arrives, and cobbles the pixel together) HTH, -- Thorsten
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