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backend/drm/atomic: Add support for color representation

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Basic implementation of color representation in drm/atomic: when buffers
are presented for scanout which have color-representation data attached,
set the correct color encoding and range on the plane.  If the plane
does not support color-representation then the commit will fail and the
caller can retry without color-representation.
This commit is contained in:
David Turner 2025-02-13 17:54:57 +00:00
parent dca0703dac
commit abb6eeb422
2 changed files with 63 additions and 1 deletions
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3
backend/drm/drm.c
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@ -43,7 +43,8 @@ static const uint32_t COMMIT_OUTPUT_STATE =
WLR_OUTPUT_STATE_WAIT_TIMELINE |
WLR_OUTPUT_STATE_SIGNAL_TIMELINE |
WLR_OUTPUT_STATE_COLOR_TRANSFORM |
WLR_OUTPUT_STATE_IMAGE_DESCRIPTION;
WLR_OUTPUT_STATE_IMAGE_DESCRIPTION |
WLR_OUTPUT_STATE_COLOR_REPRESENTATION;
static const uint32_t SUPPORTED_OUTPUT_STATE =
WLR_OUTPUT_STATE_BACKEND_OPTIONAL | COMMIT_OUTPUT_STATE;