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| author | Stefan Schake <stschake@gmail.com> | 2018-05-04 18:03:00 +0200 |
|---|---|---|
| committer | Stefan Schake <stschake@gmail.com> | 2018-05-04 18:12:35 +0200 |
| commit | 025d0a65c48f17ea3ffb80fbcfe31ae9e8056556 (patch) | |
| tree | ade4d05fc864b2ef9846fbd2e0c5da0897a41746 /drmhwctwo.cpp | |
| parent | d2ad301ea1a0bd356865026b4f37f4c86b75616a (diff) | |
| download | drm_hwcomposer-025d0a65c48f17ea3ffb80fbcfe31ae9e8056556.tar.gz | |
drm_hwcomposer: Use 16 bit value for plane alpha
The upstream version of the alpha property uses 16 bits to make it future
proof. Since HWC2 already passes in a float expand our internal
representation instead of just shifting for DRM.
Signed-off-by: Stefan Schake <stschake@gmail.com>
Diffstat (limited to 'drmhwctwo.cpp')
| -rw-r--r-- | drmhwctwo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drmhwctwo.cpp b/drmhwctwo.cpp index ede75e0..1940964 100644 --- a/drmhwctwo.cpp +++ b/drmhwctwo.cpp @@ -830,7 +830,7 @@ void DrmHwcTwo::HwcLayer::PopulateDrmLayer(DrmHwcLayer *layer) { layer->acquire_fence = acquire_fence_.Release(); layer->release_fence = std::move(release_fence); layer->SetDisplayFrame(display_frame_); - layer->alpha = static_cast<uint8_t>(255.0f * alpha_ + 0.5f); + layer->alpha = static_cast<uint16_t>(65535.0f * alpha_ + 0.5f); layer->SetSourceCrop(source_crop_); layer->SetTransform(static_cast<int32_t>(transform_)); } |