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macOS: pick the YCbCr matrix per buffer instead of hard-coding BT.709 #1420
Description
On macOS, sample_yuv in crates/compositor/src/shaders.metal always applies BT.709 coefficients. The buffer marker only selects the range, so a BT.601 VideoToolbox buffer renders with slightly wrong hues. The matrix should come from each buffer's YCbCr matrix attachment.
Pre-existing; spotted by CodeRabbit while reviewing #1408. Refs #1408
Activity
fix(compositor): pick the YCbCr matrix per frame on macOS
fix(compositor): pick the YCbCr matrix per frame on macOS
EtienneLescot commentedon Oct 30, 2026
Fixed by #1421 (merged): the YCbCr matrix is now picked per buffer from its attachments instead of being hard-coded to BT.709.