rendering that doesn't involve displaying or printing, usually directed to a buffer or a file.
Questions tagged [off-screen]
117 questions
0
votes
1 answer
Qt: render QML window to buffer
My code looks like this:
QApplication app(argc, argv);
QQmlApplicationEngine app_engine;
app_engine.load("qml/main.qml");
return app.exec();
Could somebody please help me how to make Qt render everything to the buffer I provide? OpenGL must be…
tselmeci
- 125
- 1
- 1
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votes
1 answer
OpenGL selective offscreen render to one of 2 textures in one fragment shader
I'm writing a glsl shader for rotation manipulator. I'm aiming at Autodesk Maya style, 3 axes for each of x y and z rotation and one axis over them for rotation along camera forward axis equals 4;
The user is able to limit the result of his…
Antiusninja
- 157
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0
votes
2 answers
OSG uses client-side GPU not host GPU
I made a simple OSG off screen renderer that renders without popping up a window.
osg::ref_ptr traits = new osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = screenWidth;
traits->height =…
VforVitamin
- 946
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- 12
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votes
1 answer
OpenGL Framebuffer Offscreen Rendering
I'm doing an SDL/OpenGL project on MinGW Windows Code::Blocks 12.11, using GLEW. I'm trying to implement 2D off-screen rendering, so that I can eventually try some fragment shader effects.
Here is the scene rendered to the default…
Luminaire
- 334
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- 11
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votes
1 answer
virtual canvas putimagedata not working
Am new to concept of virtual canvas, any idea why the below code does not work?