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Questions tagged [gpu]

A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the rendering or output images.

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Blender 3.3 on Ubuntu 20.04, does not recognize my GPU for HIP

My GPU (RX 5600 XT) does not appear as an option in this menu: My card does meet those requirements and I have ...
jayphur's user avatar
2 votes
0 answers
1k views

Blender 3.3 crashing instantly to desktop randomly [closed]

For a couple of years now, Blender has been crashing instantly to the desktop due to seemingly random actions in the non-rendered viewport with just a matcap. Actions, such as panning or orbiting the ...
Robin Lovejoy's user avatar
2 votes
1 answer
1k views

Enabling GPU rendering on headless linux machine

I'm trying to enable GPU rendering on a headless linux machine. I'm using the following code: ...
yang Z's user avatar
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1 answer
161 views

How to invoke draw_handler_add while running script?

I have a draw_handler_add like this: ...
cak3_lover's user avatar
0 votes
1 answer
176 views

poll() Missing 'window' in context

I'm trying to 'INVOKE_DEFAULT' using thread in the following code: ...
cak3_lover's user avatar
1 vote
0 answers
39 views

Blender 2.93.6 LTS Crashing mid-render after approx 3 hours like clockwork

Perhaps its coincidence, but my primary render server crashes like clockwork about 3 hours into rendering an animation, regardless of how many frames it crunches. I ran it with ...
SunLikeStar's user avatar
1 vote
0 answers
73 views

Do I need to upgrade GPU [closed]

My daughter is trying to create a scene using kitbash 3D objects for a school coursework piece. Simpler things have worked fine, but this more complex scene crashes blender every time she goes to ...
JRutherford's user avatar
1 vote
0 answers
301 views

Color alteration in writing and reading image textures using GPU module and Frament shader

I'm trying to understand how to use Fragment shaders in Blender for editing and saving some images. Collecting pieces of information here and there, I produced a simple code that read an image, draw ...
zompa84's user avatar
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4 votes
3 answers
1k views

How to draw an outline with bpy gpu module?

is there a simple & efficient way to draw the outline of a mesh with the gpu module ? the script should be able to control the width of the outline line Defining outline: "A line indicating ...
Fox's user avatar
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Blender 3.2 strange texture bug [duplicate]

Default cube, default material, eevee; Changing the texture in any way does not seem to help. Reinstalling, downgrading to 3.1, still unsolved. All of my older projects look like this too
b0om1987's user avatar
0 votes
1 answer
73 views

Make geometry from GPUShader visible for F12 rendering

I'm using GPUModule with shaders to render some points in the 3D view: ...
j_re's user avatar
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0 votes
0 answers
15 views

Blender not able to use gpu [duplicate]

When I try to render my scene in Blender, it will only render on gpu, not cpu. I went to the preference tab to see what settings I could change to make it work, but I was greeted to this: I've tried ...
bowlofsoup's user avatar
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0 answers
131 views

Blender 3.2, Mac 1 Pro, Cycles, GPU Rendering outputs only part of the frame

A desperate cry for help:) Newbie. Trying to render an animation using internal GPU (Mac 1 Pro) & Cycles (Blender 3.2). As a result I get ragged frames with huge black areas below (only the top of ...
Marfa Razmakhova's user avatar
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84 views

How to make it draggable and clickable from multiple region/window/area?

I want to make it draggable and clickable from multiple viewport areas. I tried but it works only in the area where the operator is called from and when I join the second area to the original area ...
Karan's user avatar
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1 vote
0 answers
51 views

Regarding Alternatives To OpenCL Support

Proud user for over 10 years-- I recently attempted to upgrade from 2.93 to 3.2 and realized openCL support is no longer offered for Cycles. I'm using an Acer Nitro AN515-43 Laptop which is about 3 ...
Kenn Toomey's user avatar
1 vote
1 answer
287 views

Draw UI elements with the GPU module in the N-key panel?

In an add-on I'm developing, I'd like to draw elements (using the GPU module) to a N-key panel. I've looked extensively, but I haven't found a correct answer. https://blender.stackexchange.com/a/...
i7_macintosh's user avatar
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1 answer
702 views

Blender crashes when exporting large amounts of high poly models and 4K textures as GLTF. What is causing Blender to crash?

Setup: So I have a script running that exports thousands of models from Blender to a .gltf file(s). These models are big, about 200MB each, and the goal is to export about 6,000 of them. What my ...
Torrin worx's user avatar
4 votes
1 answer
277 views

How can I make a 2d gpu polygon draggable?

How to make the 2d gpu polygon draggable? taken from How can I make a 2d gpu polygon and text follow the cursor? ...
Karan's user avatar
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298 views

In the Dissolve tab for smoke simulations is the ‘time’ seconds or frames?

I’m currently testing out smoke and fire simulations and I came across the ‘Dissolve’ tab, and I’m not sure whether ‘time’ means frames or seconds.
Cabbage's user avatar
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3 votes
0 answers
125 views

Can I render simultaneously both with EEVEE and Cycles on the same GPU without perfomance loss?

Recently while rendering in EEVEE and Cycles I had a look on my GPU usage in task manager. Unsurprisingly when I looked at CUDA usage when using Cycles it was near 100%, while another tab called "...
tempdev nova's user avatar
  • 1,533
2 votes
0 answers
732 views

How do I get blender to render using GPU on google colab?

I've been trying to use Google Colab to render animations but I can't get it to render using the graphics card. I change the hardware accelerator to GPU, but it doesn't use the GPU to render it only ...
Shady Ayman's user avatar
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1 answer
874 views

Optimize Blender 3.2 + nvidia GTX 1080 3D Manager and Blender Cycles Setup

nvidia GeForce GTX 1080 Control Panel has a 3D Manager per application, in this case Blender 3.2. I'm not sure what changes if any need to be made and seeking advice on how to optimize for this ...
CountQuadula's user avatar
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0 answers
176 views

Updating device takes so long

I'm using Blender 2.93, I'm enabling System > Cycles > Render Devices to OpenCL. From 10 am until 12pm, its 2 hours already, but its still updating devices is this normal? my system ...
BlenderLearner's user avatar
-3 votes
1 answer
739 views

I have an i3 5005u cpu, and an intel Hd graphics 5500 gpu, so which one should i use to render a 3d animation in cycles?

I have an i3 5005u processor and intel hd graphics 5500 graphics card, which one should i use to render a 3d animation in cycles engine in blender?
LegionX's user avatar
1 vote
0 answers
935 views

Invalid handle cumodulegetglobal_v2 [closed]

I have RTX 3060TI updated drivers 545 installed. I have an i7 9th gen processor and 64GB RAM with 1 TB M.2 SSD. But this error is still not resolved.
user149888's user avatar
1 vote
0 answers
9 views

Blender crashes when I try to render with HDRI lighting [duplicate]

I'm a long time 3D artist but a brand new Blender user (mfs converted me xD) I recently purchased a beefed up Rog Strix 15 with AMD radeon 6800M GPU. I have installed all the needed drivers for AMD ...
Mike K's user avatar
  • 11
0 votes
0 answers
106 views

Blender GPU rendering not working with the laptop charger plugged in

My laptop is Acer Nitro 5, intel i5 9300H, and GTX1650. Blender version is 3.1. GPU rendering setting is CUDA (screenshot). Nvidia driver version in 512.15, here is a detailed paste. I downloaded the ...
User's user avatar
  • 101
0 votes
1 answer
2k views

Why does EEVEE use so much CPU processing power?

To my knowledge EEVEE is only supposed to use the GPU while rendering. But when I render something and inspect task manager my CPu usage is around 30-50%. As a comparison for Cycles with GPU render my ...
tempdev nova's user avatar
  • 1,533
2 votes
0 answers
24 views

render different collections and put them together afterwards

I have a pretty heavy scene with several high poly objects which makes my PC already a little sluggish. However, I want to add some wind effects using a particle system. I was thinking about deleting ...
user123511's user avatar
  • 1,259
0 votes
0 answers
163 views

transparency flickering on composite/render

I made a motion tracking animation in blender. i go to render it and the transparency flickers on the two render layers added to the composite. Blender: 3.1.2, render: gpu, gpu: rtx 3050, OptiX. How ...
myrccar's user avatar
0 votes
0 answers
181 views

Blender rendering slower with second GPU enabled - RTX3070+Quadro M4000

I have an RTX 3070 and a Quadro M4000. Blender shows the (Display) next to the M4000 device in preferences and in task manager the M4000 is listed as GPU 0 and the 3070 GPU 1. Not sure how to reverse ...
Veiss's user avatar
  • 51
0 votes
0 answers
18 views

Cannot get GPU to render Cycles but my CPU can - Why? [duplicate]

I have a 2016 Macbook Pro with AMD Radeon Pro 450. In the system preferences of Blender I have the ‘Cycles Render Devices’ set to ‘Metal’ and ‘AMD Radeon Pro 450’ is checked. When I try to render, ...
John Smith's user avatar
0 votes
0 answers
123 views

Why isnt my gpu recognized?

I have a EVGA GeForce RTX 3060 and Blender doesn't recognize it. I am very sure I have all the drivers installed. I don't know what's wrong. ...
YouAreBamboozled's user avatar
0 votes
0 answers
398 views

Failed to load Optix Kernel (kernel_optix.ptx)

After changing GPU to a RTX 3090 and setting Blender 3.1.2 to render cycles using OptiX (also tried CUDA), my renders only make it to about 30 frames before the textures start to break in various ways ...
Taceo's user avatar
  • 1
0 votes
1 answer
602 views

Blender 3.1.2 M1 chip- Metal- GPU enabled- cycles on but NO CAUSTIC checkbox

According to tutorials with the uplisted settings I should have the opinion to see "caustics" checkboxes under object properties, but there are no caustic boxes. I use MacBook Air m1 chip ...
younever's user avatar
0 votes
0 answers
138 views

only one video card in use when rendering

I am using Blender 3.01 . When rendering it looks like there is only one video card in use. only one bucket shows. However using blender 2.93lts shows the two bucket..... ??? Any idea what is ...
Felipe's user avatar
  • 59
1 vote
1 answer
1k views

Does Blender run on ARM-based processors

I am using Blender on a Mac application called 'Parallels' which is a Windows computer for the Mac (https://www.parallels.com). However, Blender fails to start when using the Parallels app. I tried ...
Tim B's user avatar
  • 11
0 votes
0 answers
73 views

Is this a v3.1.0 problem or did I break something? Some things are disabled in the settings

This is my first project in 3.1 so i just found this out. Back in 3.0 this wasnt a problem so im wondering if something changed between updates or if i did something wrong that made the render region ...
GhostZ's user avatar
  • 1
0 votes
0 answers
63 views

Multi gpu rendering on cycle - low speed

We render nft collection on cycle (video, 180 frames, cozy studio plugin) On RTX 3060 - 1 frame takes 8s. On 6*3080 - 1 frame takes 5.5s. Cuda, all videocards enabled, samples around 250, and in TASK ...
Nikita's user avatar
  • 1
1 vote
0 answers
559 views

State of NanoVDB in Blender 3.1

Is NanoVDB enabled by default? If not, how? Does one have to convert/modify a "normal" OpenVDB file in any way to let Blender know to use the NanoVDB library instead of the OpenVDB library? ...
Esi's user avatar
  • 11
2 votes
0 answers
3k views

Enabling GPU + CPU Render simultaneously

I note here, that preliminary support for Metal/Apple Silicon on M1/M1-Pro/M1-Max/M1-Ultra, should provide the ability to render with CPU, GPU or both. I'm on a stable release, not a beta, on version <...
Woodstock's user avatar
  • 133
0 votes
1 answer
92 views

Blender 3.1 Shadow Problems with "Hair" Simulation

I just recently updated my Blender version to 3.1 from 2.9. I wanted to render out a scene I have had, but I noticed many of the cubes are pitch black. I know they have to do with shadows from playing ...
The Justice King's user avatar
0 votes
0 answers
47 views

Need help adding a button in the node editor using gpu or bgl

what i have sofa just lets me draw a rectangle in the viewport, need a button in node editor thanks ...
businge ismail's user avatar
2 votes
1 answer
3k views

Rendering with Cycles with GPU, use tiles or not use tiles?

Is it faster to render using tiles or not? Or does it depend on the scene? If so, what aspects of the scene would make it faster to use (or not use) tiles? Also, if I'm rendering on the GPU and using ...
Alexandre Marcati's user avatar
0 votes
1 answer
77 views

A good GPU based de-noiser for AMD?

Is there any decent de-noiser for AMD GPU's on macOS via Metal? I've been using my new AMD eGPU for Cycles X since support was released a few weeks ago, but one of the problems were that the ...
Skyline X's user avatar
0 votes
0 answers
1k views

Blender Cycles Render - CPU is running 100% with Optix?

After a long time, I built a new computer with an i9 12900k and an RTX 3090. Now, in Blender, I only clicked on the graphics card in the System Preferences under Cycles Render Devices and set it to ...
VICUBE Animation's user avatar
0 votes
2 answers
533 views

How can I change my render settings so I can use an eGPU to render?

I just bought an external GPU thinking it would help with rendering images, and the viewport is definitely moving faster but I tried to render an image and I realized I'm still using the CPU to render....
noob97's user avatar
  • 361
1 vote
1 answer
546 views

Draw a cube using batch_for_shader

So I'm looking at https://docs.blender.org/api/current/gpu.html?highlight=batch_for_shader I just want to draw a cube with a single color using batch_for_shader(). I'm looking at the "Mesh with ...
Malkalypse's user avatar
1 vote
2 answers
1k views

Render time increased to 2 hours just by adding color

I am learning blender through the Donut tutorial by Blender Guru on Youtube. I rendered this image and it took a few minutes. Then in the next video where he explained materials and added colors, I ...
Chaitanya Chavali's user avatar
0 votes
1 answer
159 views

Blender 3; CUDA errors, Cycles, Render, GPU Compute

I have a project that was rendering in cycles GPU compute just fine but at some point went wonky and now GPU Compute always fails. What steps can I take to get GPU compute working again? I might be ...
Jon's user avatar
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