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[Impeller] Apply Y coordinate scaling when sampling from the destination texture in framebuffer advanced blends (#173639)

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Fixes https://github.com/flutter/flutter/issues/173162
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Jason Simmons 2025-08-12 15:13:23 -07:00 committed by GitHub
parent b46a6aa9a6
commit a07fc6b910
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1 changed files with 2 additions and 1 deletions
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engine/src/flutter/impeller/entity/contents/filters/blend_filter_contents.cc
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@ -706,7 +706,8 @@ std::optional<Entity> BlendFilterContents::CreateFramebufferAdvancedBlend(
VS::FrameInfo frame_info;
frame_info.mvp = Matrix::MakeOrthographic(ISize(1, 1));
frame_info.texture_sampler_y_coord_scale = 1.0;
frame_info.texture_sampler_y_coord_scale =
dst_snapshot->texture->GetYCoordScale();
FS::FragInfo frag_info;
frag_info.alpha = 1.0;