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glTF exporter: Fix T68822 speedup pixel transfer from blender to numpy 

if more speed is needed, we will need to check API side
This commit is contained in:
Julien Duroure 2019-08-25 10:05:32 +02:00
parent fb55d80bfb
commit a9283e526f
Notes: blender-bot 2023-02-14 19:09:55 +01:00 
Referenced by issue #68822, Exporting GLTF with big texture is super slow
3 changed files with 3 additions and 3 deletions
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2
io_scene_gltf2/__init__.py
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@ -15,7 +15,7 @@
bl_info = {
'name': 'glTF 2.0 format',
'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
"version": (0, 9, 51),
"version": (0, 9, 52),
'blender': (2, 80, 0),
'location': 'File > Import-Export',
'description': 'Import-Export as glTF 2.0',

2
io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
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@ -148,7 +148,7 @@ def __get_image_data(sockets_or_slots, export_settings) -> gltf2_blender_image.E
if image.name in channelcache:
return channelcache[image.name]
pixels = np.array(image.pixels)
pixels = np.array(image.pixels[:])
pixels = pixels.reshape((pixels.shape[0] // image.channels, image.channels))
channels = np.split(pixels, pixels.shape[1], axis=1)

2
io_scene_gltf2/blender/exp/gltf2_blender_image.py
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@ -46,7 +46,7 @@ class ExportImage:
@classmethod
def from_blender_image(cls, blender_image: bpy.types.Image):
img = np.array(blender_image.pixels)
img = np.array(blender_image.pixels[:])
img = img.reshape((blender_image.size[0], blender_image.size[1], blender_image.channels))
has_alpha = blender_image.depth == 32
return ExportImage(img=img, blender_image=blender_image, has_alpha=has_alpha)