Python API: gpu.texture.from_image() fails with image sequences #121919

New Issue

Lukas W · 2024-05-17T18:18:35+02:00

Lukas W commented

2024-05-17 18:18:35 +02:00

System Information
Operating system: Ubuntu 23.10
Graphics card: nVidia GeForce MX150

Blender Version
Broken: 4.1.1, 4.0.2, 3.5.1, 3.3.18, 3.1.2, probably also versions in between
Worked: 3.0

Short description of error

gpu.texture.from_image(image) produces a bright pink texture if image.source == 'SEQUENCE'

Exact steps for others to reproduce the error

Create a new file and switch to the Scripting workspace.
Create a new Text datablock and paste the following code (from the documentation of the gpu module, adapted slightly to draw into the text editor).

import bpy
import gpu
from gpu_extras.batch import batch_for_shader

IMAGE_NAME = "Untitled"
image = bpy.data.images[IMAGE_NAME]
texture = gpu.texture.from_image(image)

shader = gpu.shader.from_builtin('IMAGE')
batch = batch_for_shader(
    shader, 'TRI_FAN',
    {
        "pos": ((100, 100), (200, 100), (200, 200), (100, 200)),
        "texCoord": ((0, 0), (1, 0), (1, 1), (0, 1)),
    },
)

def draw():
    shader.bind()
    shader.uniform_sampler("image", texture)
    batch.draw(shader)

bpy.types.SpaceTextEditor.draw_handler_add(draw, (), 'WINDOW', 'POST_PIXEL')

Open any image sequence in the image editor and set the source to "Image Sequence" and the appropriate number of frames
Edit 'IMAGE_NAME' in the code to reflect the name of the new image
Run the code.
Note, that instead of the image, a pink square appears on the bottom left of the text editor area. Also the message "GPUTexture: Blender Texture Not Loaded!" appears in the system console.

**System Information** Operating system: Ubuntu 23.10 Graphics card: nVidia GeForce MX150 **Blender Version** Broken: 4.1.1, 4.0.2, 3.5.1, 3.3.18, 3.1.2, probably also versions in between Worked: 3.0 **Short description of error** gpu.texture.from_image(image) produces a bright pink texture if image.source == 'SEQUENCE' **Exact steps for others to reproduce the error** 1. Create a new file and switch to the Scripting workspace. 2. Create a new Text datablock and paste the following code (from the documentation of the gpu module, adapted slightly to draw into the text editor). ```Py import bpy import gpu from gpu_extras.batch import batch_for_shader IMAGE_NAME = "Untitled" image = bpy.data.images[IMAGE_NAME] texture = gpu.texture.from_image(image) shader = gpu.shader.from_builtin('IMAGE') batch = batch_for_shader( shader, 'TRI_FAN', { "pos": ((100, 100), (200, 100), (200, 200), (100, 200)), "texCoord": ((0, 0), (1, 0), (1, 1), (0, 1)), }, ) def draw(): shader.bind() shader.uniform_sampler("image", texture) batch.draw(shader) bpy.types.SpaceTextEditor.draw_handler_add(draw, (), 'WINDOW', 'POST_PIXEL') ``` 3. Open any image sequence in the image editor and set the source to "Image Sequence" and the appropriate number of frames 4. Edit 'IMAGE_NAME' in the code to reflect the name of the new image 5. Run the code. 6. Note, that instead of the image, a pink square appears on the bottom left of the text editor area. Also the message "GPUTexture: Blender Texture Not Loaded!" appears in the system console.

👀 1

Lukas W added the

labels 2024-05-17 18:18:36 +02:00

Iliya Katushenock added the