SF: Remove HWC plumbing for virtual display mirror
Replace the parameter, which is only relevant to SF-ARC, with a simpler
hook (virtual processDisplayAdded) that is closer to HWC-less overrides
for display creation.
Bug: 182939859
Test: Build
Change-Id: I9c8f84ec900d6538d9130c23a75ee79d1aefe13e
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index caf0294..09734c2 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -212,7 +212,7 @@
}
Error Composer::createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
- std::optional<Display>, Display* outDisplay) {
+ Display* outDisplay) {
const uint32_t bufferSlotCount = 1;
Error error = kDefaultError;
if (mClient_2_2) {
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index b525e63..fe114b9 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -96,7 +96,7 @@
virtual uint32_t getMaxVirtualDisplayCount() = 0;
virtual Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat*,
- std::optional<Display> mirror, Display* outDisplay) = 0;
+ Display* outDisplay) = 0;
virtual Error destroyVirtualDisplay(Display display) = 0;
virtual Error acceptDisplayChanges(Display display) = 0;
@@ -342,7 +342,7 @@
uint32_t getMaxVirtualDisplayCount() override;
Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
- std::optional<Display> mirror, Display* outDisplay) override;
+ Display* outDisplay) override;
Error destroyVirtualDisplay(Display display) override;
Error acceptDisplayChanges(Display display) override;
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 7e45dab..a790b4c 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -245,8 +245,7 @@
}
bool HWComposer::allocateVirtualDisplay(HalVirtualDisplayId displayId, ui::Size resolution,
- ui::PixelFormat* format,
- std::optional<PhysicalDisplayId> mirror) {
+ ui::PixelFormat* format) {
if (!resolution.isValid()) {
ALOGE("%s: Invalid resolution %dx%d", __func__, resolution.width, resolution.height);
return false;
@@ -262,14 +261,9 @@
return false;
}
- std::optional<hal::HWDisplayId> hwcMirrorId;
- if (mirror) {
- hwcMirrorId = fromPhysicalDisplayId(*mirror);
- }
-
hal::HWDisplayId hwcDisplayId;
const auto error = static_cast<hal::Error>(
- mComposer->createVirtualDisplay(width, height, format, hwcMirrorId, &hwcDisplayId));
+ mComposer->createVirtualDisplay(width, height, format, &hwcDisplayId));
RETURN_IF_HWC_ERROR_FOR("createVirtualDisplay", error, displayId, false);
auto display = std::make_unique<HWC2::impl::Display>(*mComposer.get(), mCapabilities,
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index b1849e8..49f96d9 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -113,11 +113,7 @@
// Attempts to allocate a virtual display on the HWC. The maximum number of virtual displays
// supported by the HWC can be queried in advance, but allocation may fail for other reasons.
- // For virtualized compositors, the PhysicalDisplayId is a hint that this virtual display is
- // a mirror of a physical display, and that the screen should be captured by the host rather
- // than guest compositor.
- virtual bool allocateVirtualDisplay(HalVirtualDisplayId, ui::Size, ui::PixelFormat*,
- std::optional<PhysicalDisplayId> mirror) = 0;
+ virtual bool allocateVirtualDisplay(HalVirtualDisplayId, ui::Size, ui::PixelFormat*) = 0;
virtual void allocatePhysicalDisplay(hal::HWDisplayId, PhysicalDisplayId) = 0;
@@ -265,8 +261,7 @@
size_t getMaxVirtualDisplayCount() const override;
size_t getMaxVirtualDisplayDimension() const override;
- bool allocateVirtualDisplay(HalVirtualDisplayId, ui::Size, ui::PixelFormat*,
- std::optional<PhysicalDisplayId>) override;
+ bool allocateVirtualDisplay(HalVirtualDisplayId, ui::Size, ui::PixelFormat*) override;
// Called from SurfaceFlinger, when the state for a new physical display needs to be recreated.
void allocatePhysicalDisplay(hal::HWDisplayId, PhysicalDisplayId) override;