Add support for restricting HDR headroom for video
This is needed for allowing apps to vote for HDR headroom restrictions
for SurfaceView and SurfaceControl
Bug: 323964760
Test: manually poking at test app
Test: SurfaceViewTests
Test: SurfaceControlTest
Test: ASurfaceControlTest
Change-Id: Ie886e67879525462d49fdedc535aea659d69321a
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 38fab9c..9d7d304 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -605,6 +605,10 @@
desiredHdrSdrRatio = other.desiredHdrSdrRatio;
currentHdrSdrRatio = other.currentHdrSdrRatio;
}
+ if (other.what & eDesiredHdrHeadroomChanged) {
+ what |= eDesiredHdrHeadroomChanged;
+ desiredHdrSdrRatio = other.desiredHdrSdrRatio;
+ }
if (other.what & eCachingHintChanged) {
what |= eCachingHintChanged;
cachingHint = other.cachingHint;
@@ -768,6 +772,7 @@
CHECK_DIFF(diff, eDataspaceChanged, other, dataspace);
CHECK_DIFF2(diff, eExtendedRangeBrightnessChanged, other, currentHdrSdrRatio,
desiredHdrSdrRatio);
+ CHECK_DIFF(diff, eDesiredHdrHeadroomChanged, other, desiredHdrSdrRatio);
CHECK_DIFF(diff, eCachingHintChanged, other, cachingHint);
CHECK_DIFF(diff, eHdrMetadataChanged, other, hdrMetadata);
if (other.what & eSurfaceDamageRegionChanged &&
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 8d18551..3a02c64 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1807,6 +1807,20 @@
return *this;
}
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setDesiredHdrHeadroom(
+ const sp<SurfaceControl>& sc, float desiredRatio) {
+ layer_state_t* s = getLayerState(sc);
+ if (!s) {
+ mStatus = BAD_INDEX;
+ return *this;
+ }
+ s->what |= layer_state_t::eDesiredHdrHeadroomChanged;
+ s->desiredHdrSdrRatio = desiredRatio;
+
+ registerSurfaceControlForCallback(sc);
+ return *this;
+}
+
SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setCachingHint(
const sp<SurfaceControl>& sc, gui::CachingHint cachingHint) {
layer_state_t* s = getLayerState(sc);
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 6b8e824..9350c95 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -206,7 +206,7 @@
eBackgroundBlurRadiusChanged = 0x80'00000000,
eProducerDisconnect = 0x100'00000000,
eFixedTransformHintChanged = 0x200'00000000,
- /* unused 0x400'00000000, */
+ eDesiredHdrHeadroomChanged = 0x400'00000000,
eBlurRegionsChanged = 0x800'00000000,
eAutoRefreshChanged = 0x1000'00000000,
eStretchChanged = 0x2000'00000000,
@@ -245,7 +245,8 @@
layer_state_t::eSidebandStreamChanged | layer_state_t::eSurfaceDamageRegionChanged |
layer_state_t::eTransformToDisplayInverseChanged |
layer_state_t::eTransparentRegionChanged |
- layer_state_t::eExtendedRangeBrightnessChanged;
+ layer_state_t::eExtendedRangeBrightnessChanged |
+ layer_state_t::eDesiredHdrHeadroomChanged;
// Content updates.
static constexpr uint64_t CONTENT_CHANGES = layer_state_t::BUFFER_CHANGES |
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 14e3dd5..7118883 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -594,6 +594,7 @@
Transaction& setDataspace(const sp<SurfaceControl>& sc, ui::Dataspace dataspace);
Transaction& setExtendedRangeBrightness(const sp<SurfaceControl>& sc,
float currentBufferRatio, float desiredRatio);
+ Transaction& setDesiredHdrHeadroom(const sp<SurfaceControl>& sc, float desiredRatio);
Transaction& setCachingHint(const sp<SurfaceControl>& sc, gui::CachingHint cachingHint);
Transaction& setHdrMetadata(const sp<SurfaceControl>& sc, const HdrMetadata& hdrMetadata);
Transaction& setSurfaceDamageRegion(const sp<SurfaceControl>& sc,