All Questions
80
questions
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13
views
Save an image of an area by it's index [duplicate]
General Question: Is there a way to capture a raw image, so no overlay or gizmo, of an area within Blender only by its index?
I would need a script that writes the pixels of the area to an image ...
0
votes
0
answers
29
views
Copy framebuffer of 3D View into image
General Question: How can I copy the frame buffer of the currently active viewport to an image within Blender?
The following link already addressed the question, however it utilizes a modal operator ...
3
votes
3
answers
1k
views
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?
...
- 101
0
votes
1
answer
777
views
How to get a list of faces with corresponding indices?
I am trying to get a list of faces that has each index of the 3 vertices that go with it. I thought about just doing it from scratch but they are kinda in random order.
I am looking for a list that's ...
CommunityBot
- 1
1
vote
1
answer
52
views
Unable to read depth from buffer when offscreen rendering
I'm trying to read the depth buffer from a frame buffer during offscreen rendering using the gpu.types.GPUFrameBuffer.read_depth() function from the gpu module. No ...
- 11
2
votes
1
answer
95
views
Drawing a circle that faces towards the view with GPU/BGL?
Im trying to draw a circle using the GPU/BGL module that appears on a given certain 3D position (in my example, the cursor's location) and, when drawing, it points towards the current view.
I'm using:
...
- 6,213
4
votes
3
answers
422
views
How to draw a specific color with gpu shader
This is a bulid-in shader of gpu module to display a 2D rectangle in viewport,
if you check the color of the rectangle via photoshop/MSpaint or use ...
- 3,474
3
votes
2
answers
3k
views
How to draw shapes in the node editor with python bgl
I want to draw a diagram using shapes such as triangles and squares in the node editor. How can I do this?
- 16k
1
vote
0
answers
218
views
Custom render engine - creating material previews with OpenGL?
I'm working on a custom render engine through a Python addon that uses the bgl module for most of its rendering. bl_use_preview ...
- 31
1
vote
2
answers
821
views
How to align modal draw to the middle of the 3d viewport?
I have a question about the opengl modal draw :
How to align text from a modal draw to the middle of the viewport and and keep it automatic between Tool Shelf and Property Shelf, when i changing them?...
- 642
8
votes
2
answers
3k
views
How to get screen color under mouse cursor?
I'm trying to figure out how to get the color of the screen pixel under the mouse with python like in this video:
Python-scripted color picker
I tried importing bgl and adding bgl.glReadPixels in to ...
- 1,513
0
votes
1
answer
326
views
10
votes
2
answers
2k
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Copy framebuffer of 3D View into custom frame buffer
General question: Is there a reliable way to directly access the OpenGL framebuffer of a View3D for copying?
(Please see the end of the post for more detailed questions)
I need a very fast way to copy ...
- 201
0
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0
answers
78
views
How to directly store Blender File Images Externally?
I'm using this answer to generate images from view port
but is there a way to directly externally store/generate this image?
and by that I mean NOT having to manually save them through Image Editor
- 487
2
votes
1
answer
545
views
Drawing to multiple render targets using the GPU module
Is there a way to draw to multiple render targets at once using the Blender's GPU module? I am looking for something similar to glDrawBuffers in OpenGL.
Say, for example, my fragment shader looks like ...
- 125