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Help understanding textureBufferInstancedExample
@Nestor wrote: Hi, I’m checking textureBufferInstancedExample to learn how to pass per-instance attributes to my shaders. In the vertex shader the color of each instance is referenced by an attribute...
View ArticleSlow pixel manipulation code
@prisonerjohn wrote: Hello, A couple of my students encountered an issue with a slow app, and I’m having trouble figuring out what’s going on. They are trying to port this Processing sketch that...
View ArticleRender realTime Video in 4K
@pxt wrote: Hi! I need to render a 4K video. But i`ve a FPS problem. Now im sending a fbo as a texture to a SyphonRec. In small resolution it works fine, but if i want to render in FULL HD the frame...
View ArticleSlow performance when multiple ofTrueTypeFont's drawString calls
@sandufi wrote: Hello guys, So right now I have 5000 instances of a class ‘Word’ that in its draw function contains the method font.drawString from ofTrueTypeFont class. I have seen some people using...
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OF_USE_LEGACY_VECTOR_MATH compiler error
@michif wrote: Hey all, i try to compile an old project with a lot of ofVe2f. when i set OF_USE_LEGACY_VECTOR_MATH to 1 i get a lot of error messages Shell Script Invocation Error Group like:...
View ArticleopenGL buffer stalls
@ofpixel wrote: Hi, my current application involves writing a glsl fragment shader -> screen, then writing the screen output -> fbo, and finally saving the fbo -> image(s): The shader is a...
View ArticleRender openGL screen to video file
@ofpixel wrote: Hi, i have an oF project in which I render a glsl fragment shader -> screen via the ofxFX addon. Now, I want to render the screen -> video file, either via grabbing screen pixels...
View ArticleOpen AI GPT-2 and openFrameworks
@prandam wrote: I need to generate texts using the most recent Open AI’s GPT-2 model – https://github.com/openai/gpt-2-output-dataset It could be possible to use it in openframeworks for real time...
View ArticleHow to generate TexCoord properly?
@pxt wrote: Hi! I have a question about texCoord. I would like to generate meshes with ofPath and using shaders (Bezier, and abstract shapes) also i would like to connect vertices randomly according...
View ArticleThreaded image load inside class
@prandam wrote: I’m developing a slideshow of sorts that bring images from a database of thousands of images. I wrote some methods but I need the image load to be threaded and smooth using my video...
View ArticleHelp with alpha blending between 2 ofFbo
@sandufi wrote: (topic withdrawn by author, will be automatically deleted in 24 hours unless flagged) Posts: 1 Participants: 1 Read full topic
View ArticleGet the audio sample buffer from an ofVideoPlayer
@joeseeba wrote: I need to manipulate the audio part of a webcam stream which is playing into an instance of an ofVideoPlayer. The best situation would be to get audio data directly from the audio...
View ArticleTreating an irregular surface as a single canvas(Projection mapping)
@MaxBjorverud wrote: (topic withdrawn by author, will be automatically deleted in 24 hours unless flagged) Posts: 1 Participants: 1 Read full topic
View ArticleSound to effect shapes
@Nessi wrote: Hello! I am new to openFrameworks. I have something a would love to do. But I dont know if it is possible to to with openFrameworks or not. Heres my question: Is it possible to use...
View ArticleSelecting dedicated graphics card in OF
@Sam_McElhinney_io wrote: Has anyone tried implementing the solutions described here in an OF app? I particularly have OpenGL in mind, and wanting to force a PC platform to run the app on the correct...
View ArticleHow to get user mask in ofxNI2
@Dazzid_of wrote: I’m using https://github.com/pierrep/ofxNI2 which works well in Mac ofv0.10.1 I am trying to find a way to extract the user pixels or shape to make a clean contourFinder with opencv....
View ArticleCamera with firewire not recognized in OSX 10.14 and USB-C
@parmendil wrote: Hi. Since I upgraded my computer to a new Macbook with USB-C, I’m dealing with a problem: my cameras with firewire are not being recognized by openFrameworks. In particular, I found...
View ArticleScalability accross cores
@fresla wrote: I am looking at creating a multi-depth-camera application where images from each camera are captured in a threaded process. The tests I have done so far show that a single camera...
View ArticleCasting shadows on transparent plane
@nicholasJay wrote: Hi, I need to cast shadows on a transparent plane in order to get only the shadow shown and not the material applied to the plane (I want it fully transparent). For example, is...
View ArticleHelp converting a shader from v120 to v150
@davidemania wrote: Hi, I am experimenting with ofxHapPlayer and it works well, but there is an issue that I would like to fix. When decoding HAPQ movies the addon uses a shader, that is written for...
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