Derive the SkImage size used by ImageEncodingImpeller::ConvertDlImageToSkImage from the size of the underlying texture, not the size of the DlImage#189739
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…ToSkImage from the size of the underlying texture, not the size of the DlImage Impeller may allocate a texture that is smaller than the requested DlImage size if the DlImage size exceeds the limits of the back end. If that happens, then the SkImage that receives the texture data must match the size of the texture. See b/525536935
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This pull request modifies ImageEncodingImpeller::ConvertDlImageToSkImage to determine dimensions using the underlying texture's size rather than the DlImage size, and adds a corresponding unit test for texture size mismatch. The review feedback points out that the lambda parameter image in the new test shadows an outer variable of the same name, and suggests renaming it to result to prevent potential compiler warnings and improve readability.
b-luk
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Jul 20, 2026
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| auto dimensions = dl_image->GetSize(); | ||
| auto dimensions = | ||
| DlISize(texture->GetSize().width, texture->GetSize().height); |
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I think we can just do DlISize(texture->GetSize()), similar to here
flutter/engine/src/flutter/impeller/display_list/dl_image_impeller.cc
Lines 106 to 108 in 891cee2
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| auto dimensions = dl_image->GetSize(); | ||
| auto dimensions = | ||
| DlISize(texture->GetSize().width, texture->GetSize().height); |
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Should we have a comment saying that we use the texture's size instead of the dl_image's size because there are certain cases where they may be different?
b-luk
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Jul 20, 2026
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Impeller may allocate a texture that is smaller than the requested DlImage size if the DlImage size exceeds the limits of the back end.
If that happens, then the SkImage that receives the texture data must match the size of the texture.
See b/525536935