Supply extra brightness parameters to RenderEngine
A future CL will update the HLG->SDR tonemapping algorithm to consider
current display brightness, as recommended by BT2100.
In preparation for this:
* Fix an issue where maxLuminance was using the current display
brightness if supplied from DisplayManager instead of the max luminance
* Add currentDisplayBrightnessNits to the RenderEngine interface to
support the current brightness
* Plumb current display brightness all the way to libtonemap, where
nothing uses it (yet)
Bug: 206035964
Test: libcompositionengine_test
Change-Id: I3e9f0fdb23fbb08c50e4733e5a16bcd20948d750
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 192ee04..162d84e 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -1059,9 +1059,11 @@
// If we have a valid current display brightness use that, otherwise fall back to the
// display's max desired
- clientCompositionDisplay.maxLuminance = outputState.displayBrightnessNits > 0.f
+ clientCompositionDisplay.currentLuminanceNits = outputState.displayBrightnessNits > 0.f
? outputState.displayBrightnessNits
: mDisplayColorProfile->getHdrCapabilities().getDesiredMaxLuminance();
+ clientCompositionDisplay.maxLuminance =
+ mDisplayColorProfile->getHdrCapabilities().getDesiredMaxLuminance();
clientCompositionDisplay.targetLuminanceNits = outputState.clientTargetWhitePointNits;
// Compute the global color transform matrix.
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index f7c7533..c2235a2 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -3069,6 +3069,8 @@
static constexpr float kDefaultMaxLuminance = 0.9f;
static constexpr float kDefaultAvgLuminance = 0.7f;
static constexpr float kDefaultMinLuminance = 0.1f;
+ static constexpr float kUnknownLuminance = -1.f;
+ static constexpr float kDisplayLuminance = 80.f;
static constexpr float kClientTargetLuminanceNits = 200.f;
static const Rect kDefaultOutputFrame;
@@ -3101,6 +3103,7 @@
const mat4 OutputComposeSurfacesTest::kDefaultColorTransformMat{mat4() * 0.5f};
const compositionengine::CompositionRefreshArgs OutputComposeSurfacesTest::kDefaultRefreshArgs;
const Region OutputComposeSurfacesTest::kDebugRegion{Rect{100, 101, 102, 103}};
+
const HdrCapabilities OutputComposeSurfacesTest::
kHdrCapabilities{{},
OutputComposeSurfacesTest::kDefaultMaxLuminance,
@@ -3403,6 +3406,14 @@
auto andIfUsesHdr(bool used) {
EXPECT_CALL(*getInstance()->mDisplayColorProfile, hasWideColorGamut())
.WillOnce(Return(used));
+ return nextState<OutputWithDisplayBrightnessNits>();
+ }
+ };
+
+ struct OutputWithDisplayBrightnessNits
+ : public CallOrderStateMachineHelper<TestType, OutputWithDisplayBrightnessNits> {
+ auto withDisplayBrightnessNits(float nits) {
+ getInstance()->mOutput.mState.displayBrightnessNits = nits;
return nextState<SkipColorTransformState>();
}
};
@@ -3434,11 +3445,34 @@
TEST_F(OutputComposeSurfacesTest_UsesExpectedDisplaySettings, forHdrMixedComposition) {
verify().ifMixedCompositionIs(true)
.andIfUsesHdr(true)
+ .withDisplayBrightnessNits(kUnknownLuminance)
.andIfSkipColorTransform(false)
- .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
- kDefaultMaxLuminance, kDefaultOutputDataspace, mat4(),
- kDefaultOutputOrientationFlags,
- kClientTargetLuminanceNits})
+ .thenExpectDisplaySettingsUsed({.physicalDisplay = kDefaultOutputDestinationClip,
+ .clip = kDefaultOutputViewport,
+ .maxLuminance = kDefaultMaxLuminance,
+ .currentLuminanceNits = kDefaultMaxLuminance,
+ .outputDataspace = kDefaultOutputDataspace,
+ .colorTransform = mat4(),
+ .orientation = kDefaultOutputOrientationFlags,
+ .targetLuminanceNits = kClientTargetLuminanceNits})
+ .execute()
+ .expectAFenceWasReturned();
+}
+
+TEST_F(OutputComposeSurfacesTest_UsesExpectedDisplaySettings,
+ forHdrMixedCompositionWithDisplayBrightness) {
+ verify().ifMixedCompositionIs(true)
+ .andIfUsesHdr(true)
+ .withDisplayBrightnessNits(kDisplayLuminance)
+ .andIfSkipColorTransform(false)
+ .thenExpectDisplaySettingsUsed({.physicalDisplay = kDefaultOutputDestinationClip,
+ .clip = kDefaultOutputViewport,
+ .maxLuminance = kDefaultMaxLuminance,
+ .currentLuminanceNits = kDisplayLuminance,
+ .outputDataspace = kDefaultOutputDataspace,
+ .colorTransform = mat4(),
+ .orientation = kDefaultOutputOrientationFlags,
+ .targetLuminanceNits = kClientTargetLuminanceNits})
.execute()
.expectAFenceWasReturned();
}
@@ -3446,11 +3480,16 @@
TEST_F(OutputComposeSurfacesTest_UsesExpectedDisplaySettings, forNonHdrMixedComposition) {
verify().ifMixedCompositionIs(true)
.andIfUsesHdr(false)
+ .withDisplayBrightnessNits(kUnknownLuminance)
.andIfSkipColorTransform(false)
- .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
- kDefaultMaxLuminance, kDefaultOutputDataspace, mat4(),
- kDefaultOutputOrientationFlags,
- kClientTargetLuminanceNits})
+ .thenExpectDisplaySettingsUsed({.physicalDisplay = kDefaultOutputDestinationClip,
+ .clip = kDefaultOutputViewport,
+ .maxLuminance = kDefaultMaxLuminance,
+ .currentLuminanceNits = kDefaultMaxLuminance,
+ .outputDataspace = kDefaultOutputDataspace,
+ .colorTransform = mat4(),
+ .orientation = kDefaultOutputOrientationFlags,
+ .targetLuminanceNits = kClientTargetLuminanceNits})
.execute()
.expectAFenceWasReturned();
}
@@ -3458,11 +3497,16 @@
TEST_F(OutputComposeSurfacesTest_UsesExpectedDisplaySettings, forHdrOnlyClientComposition) {
verify().ifMixedCompositionIs(false)
.andIfUsesHdr(true)
+ .withDisplayBrightnessNits(kUnknownLuminance)
.andIfSkipColorTransform(false)
- .thenExpectDisplaySettingsUsed(
- {kDefaultOutputDestinationClip, kDefaultOutputViewport, kDefaultMaxLuminance,
- kDefaultOutputDataspace, kDefaultColorTransformMat,
- kDefaultOutputOrientationFlags, kClientTargetLuminanceNits})
+ .thenExpectDisplaySettingsUsed({.physicalDisplay = kDefaultOutputDestinationClip,
+ .clip = kDefaultOutputViewport,
+ .maxLuminance = kDefaultMaxLuminance,
+ .currentLuminanceNits = kDefaultMaxLuminance,
+ .outputDataspace = kDefaultOutputDataspace,
+ .colorTransform = kDefaultColorTransformMat,
+ .orientation = kDefaultOutputOrientationFlags,
+ .targetLuminanceNits = kClientTargetLuminanceNits})
.execute()
.expectAFenceWasReturned();
}
@@ -3470,11 +3514,16 @@
TEST_F(OutputComposeSurfacesTest_UsesExpectedDisplaySettings, forNonHdrOnlyClientComposition) {
verify().ifMixedCompositionIs(false)
.andIfUsesHdr(false)
+ .withDisplayBrightnessNits(kUnknownLuminance)
.andIfSkipColorTransform(false)
- .thenExpectDisplaySettingsUsed(
- {kDefaultOutputDestinationClip, kDefaultOutputViewport, kDefaultMaxLuminance,
- kDefaultOutputDataspace, kDefaultColorTransformMat,
- kDefaultOutputOrientationFlags, kClientTargetLuminanceNits})
+ .thenExpectDisplaySettingsUsed({.physicalDisplay = kDefaultOutputDestinationClip,
+ .clip = kDefaultOutputViewport,
+ .maxLuminance = kDefaultMaxLuminance,
+ .currentLuminanceNits = kDefaultMaxLuminance,
+ .outputDataspace = kDefaultOutputDataspace,
+ .colorTransform = kDefaultColorTransformMat,
+ .orientation = kDefaultOutputOrientationFlags,
+ .targetLuminanceNits = kClientTargetLuminanceNits})
.execute()
.expectAFenceWasReturned();
}
@@ -3483,11 +3532,16 @@
usesExpectedDisplaySettingsForHdrOnlyClientCompositionWithSkipClientTransform) {
verify().ifMixedCompositionIs(false)
.andIfUsesHdr(true)
+ .withDisplayBrightnessNits(kUnknownLuminance)
.andIfSkipColorTransform(true)
- .thenExpectDisplaySettingsUsed({kDefaultOutputDestinationClip, kDefaultOutputViewport,
- kDefaultMaxLuminance, kDefaultOutputDataspace, mat4(),
- kDefaultOutputOrientationFlags,
- kClientTargetLuminanceNits})
+ .thenExpectDisplaySettingsUsed({.physicalDisplay = kDefaultOutputDestinationClip,
+ .clip = kDefaultOutputViewport,
+ .maxLuminance = kDefaultMaxLuminance,
+ .currentLuminanceNits = kDefaultMaxLuminance,
+ .outputDataspace = kDefaultOutputDataspace,
+ .colorTransform = mat4(),
+ .orientation = kDefaultOutputOrientationFlags,
+ .targetLuminanceNits = kClientTargetLuminanceNits})
.execute()
.expectAFenceWasReturned();
}