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[Model][Gemma3] Simplify image input validation (#18710)

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Signed-off-by: Lukas Geiger <lukas.geiger94@gmail.com>
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Lukas Geiger 2025-05-27 04:13:37 +01:00 committed by GitHub
parent 27bebcd897
commit 0eebd74842
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1 changed files with 6 additions and 12 deletions
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18
vllm/model_executor/models/gemma3_mm.py
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@ -504,18 +504,12 @@ class Gemma3ForConditionalGeneration(nn.Module, SupportsMultiModal, SupportsPP,
return next(self.parameters()).dtype
def _validate_pixel_values(self, data: torch.Tensor) -> torch.Tensor:
h = w = self.config.vision_config.image_size
expected_dims = (3, h, w)
def _validate_shape(d: torch.Tensor):
if d.shape != expected_dims:
raise ValueError(
"The expected shape of pixel values per image per batch "
f"is {expected_dims}. You supplied {tuple(d.shape)}.")
for d in data:
_validate_shape(d)
image_size = self.config.vision_config.image_size
expected_dims = (3, image_size, image_size)
if data.shape[1:] != expected_dims:
raise ValueError(
"The expected shape of pixel values per image per batch is "
f"{expected_dims}. You supplied {tuple(data.shape)}.")
return data
def _parse_and_validate_image_input(