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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In Blender, how do I programmatically display a viewport rendering in a window just like if you pressed F12?
I know I can call bpy.ops.render.opengl() and that will create the render, but what I want to do is to create and then view the render, just like what happens when ...
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How to make rounded corners for 2d rectangle with a custom shader?
Does anyone know how to make rounded corners for a 2d rectangle with a custom shader?
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OpenGL 3D ViewPort frame capture with transparency (no checkered pattern)
I attempt to use Blender 2.82 (currently I cannot change version), to render a robot hand holding an object, so that the hand creates an occlusion on the object, but the hand itself should not be ...
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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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Can shaders created in Blender Shader Editor be exported as OpenGL shaders in versions of Blender 2.9x?
I have created a shader in the Blender Shader Editor, since I find it very powerful and easy to use. I would like to export this shader so I can use it outside Blender. Is this possible for versions ...
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Fastest way copying from bgl.Buffer() to numpy array
I have some rendered or processed pixel data in a bgl.Buffer() object and need it in a numpy array but that proccess seems to take very long. Here is what I have tried so far:
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How can i use OpenGL/Viewport render in rendered mode on cycles?
Whenever I do it on Eevee, it works. and I find it to be a great way to render faster, but whenever I do it on Cycles, I just get nothing besides a grey screen, Help? My render settings are on the ...
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Anti-Aliasing in GPU shader Module(OpenGL)
How to smooth the bound of the shape?
If you run the following script in blender,
you can see the Jagged Edge in that shape.
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why bgl meshes flip when nothing is selected?
As described in API the following script will create a mesh from active object using bgl module:
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Blender 2.9 Python GPU Module, drawing lines in the wrong position
I have problems with the GPU Module and rendering custom geometry in Blender. When I run the example code from the Blender docs, it works as expected. Running the first line drawing example produces ...
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capture data from different cameras
I need this for my video game that I want to start on in Blender Game Engine.
I have not figured out how to use multiple cameras and make them give data out without them being active cams or without ...
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Getting wires displayed in OpenGL MeasureIt render
I'm trying to get a "CAD-like" 2D render of a model in Blender (2.79, sorry old OSX version so can't upgrade) using MeasureIt for dimensions. Some dimensions are to edges within faces.
I've ...
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Using Blender's GUI application from WSL2 (repost from stackoverflow)
This is a repost from StackOverflow, I was recommend to post this here by a friend
Recently a fellow intern finished his internship. For this internship, he wrote some automated fluid simulations in ...
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Face values in obj file is more than vertex count
When I exported the cone.obj from Blender. I got 33 vertices. But the face values specified in the .Obj files seem to included vertex till 65. How can i device what will be the vertex coordinates for ...
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Radeon RX 570 not rendering correctly using Eevee [Linux (Ubuntu), AMD]
Recently got my GPU setup, and after a bit of trial and error, I was able to get it to work with everything, until I decided just a bit ago to use EEVEE in blender instead of cycles; I was presented ...
