diff options
Diffstat (limited to 'sdm/libs/hwc2/hwc_layers.cpp')
| -rw-r--r-- | sdm/libs/hwc2/hwc_layers.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sdm/libs/hwc2/hwc_layers.cpp b/sdm/libs/hwc2/hwc_layers.cpp index 1881ccad..2599f18d 100644 --- a/sdm/libs/hwc2/hwc_layers.cpp +++ b/sdm/libs/hwc2/hwc_layers.cpp @@ -410,8 +410,13 @@ HWC2::Error HWCLayer::SetCursorPosition(int32_t x, int32_t y) { } HWC2::Error HWCLayer::SetLayerPlaneAlpha(float alpha) { - // Conversion of float alpha in range 0.0 to 1.0 similar to the HWC Adapter + if (alpha < 0.0f || alpha > 1.0f) { + return HWC2::Error::BadParameter; + } + + // Conversion of float alpha in range 0.0 to 1.0 similar to the HWC Adapter uint8_t plane_alpha = static_cast<uint8_t>(std::round(255.0f * alpha)); + if (layer_->plane_alpha != plane_alpha) { geometry_changes_ |= kPlaneAlpha; layer_->plane_alpha = plane_alpha; @@ -461,8 +466,10 @@ HWC2::Error HWCLayer::SetLayerTransform(HWC2::Transform transform) { layer_transform.flip_vertical = true; break; case HWC2::Transform::None: - // do nothing break; + default: + // bad transform + return HWC2::Error::BadParameter; } if (layer_transform_ != layer_transform) { |