Questions tagged [opengl]
Questions about OpenGL (Open Graphics Library) OpenGL is an API used to render real-time 2D and 3D graphics. Blender uses OpenGL for drawing the user interface, 3D view, and the game engine.
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Blender Won't Open because it says I need OpenGL 3.3
I've recently wanted to get back into using blender for some fun art projects, but anytime I try and install the program and run it, I run into issues. The last time I used it was in December of 2020,...
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Drawing a rectangle using opengl in blender
I'm learning opengl in blender and successfully drew a triangle in 3d viewport.
Now I'm trying to draw a rectangle using Element Object.
Here is what I've tried. But it draws nothing.
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Why do rendered images using a GPU have vertical lines in versions after 2.81?
While using GPU rendering I get vertical lines over the rendered object.
Until version 2.81 I don't get this anomaly, I thought it would be some bug in version 2.83, but in version 2.90 presents this ...
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Converting bones transformation matrix from OpenGL to Blender
So, I'm trying to convert some transformation matrices from OpenGL to Blender but bone poses are wrong. I assume it's transformation matrix, I'm no expert in OpenGl but it's used in this function:
<...
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My blander worked normal on my pc today when i went to open it, was asking for opengl 3.3
my blander worked normal on my pc today when i went to open it, was asking for opengl 3.3 try reinstalling but it didn't work, i never needed to put anything for it to open, could this be some kind of ...
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Blender doesn't start up
Good evening,
I've been having an issue where the program itself won't start up after the initial command prompt window has disappeared. The program fully closes, it doesn't show that it's not ...
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quick preview animation with animated material?
I am looking for a poor man's render of an animation in order to evaluate blocking, timing, camera movements etc. without the "cost" of a full render.
I found Is there a way to make a quick ...
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OpenGL freezes and turns off blender
I've encountered this behavior several times that blender put random black and white points on the blender window then a message box appears and says "Too many errors occurred. Application must close ...
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I need a handler for render_complete but with OpenGL render
Is there a handler to execute a function after an OpenGL render (after the whole animation is rendered).
Because this script
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Preview in viewport using OpenGL shader
I am trying to apply a custom shader (OpenGL, but if that's not possible I can learn OSL) to a STL. I will not use any lights, cameras, I'm not going to render it eventually. I would like to have the ...
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Render order of triangles is wrong with custom draw handler
Example code from GPU Shader Module (gpu) "Mesh with Random Vertex Colors" renders faces in wrong/weird order, what might be the cause?
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Blender 2.81 OpenGL 3.3 Error
So recently I got a new computer since my old one was pretty bad and I needed an upgrade. This PC is incredibly fast and powerful but for some reason it's having trouble running Blender 2.81. I've ...
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How do I find the final pose matrix for every bone to send to the shader?
Hello any advice would really be appreciated. I know there are lots of threads on this already but I have read many of them and I am still having trouble. I want to export a simple skeletal ...
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How do I make objects not renderable in OpenGL Render / overlays disabled on Blender 2.8?
I have some mesh that i do not want to be visible when disabling the overlays button but they still do so, in Blender 2.79 checking the Render only box was enough but here it doesnt work like that. ...
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Where are the settings to increase cycles threads?
I am trying to adapt the cycles render code to allow me to use the full threading power of my GPU (Radeon RX750 8Gb, 2048 OpenGL threads). There seems to be a limit from some time ago of 1024 threads, ...
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