Merge "SF: Extract virtual display allocation from CE"
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/DisplayCreationArgs.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/DisplayCreationArgs.h
index 317d333..526e7da 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/DisplayCreationArgs.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/DisplayCreationArgs.h
@@ -21,13 +21,10 @@
#include <string>
#include <ui/DisplayId.h>
-#include <ui/PixelFormat.h>
#include <ui/Size.h>
#include <ui/StaticDisplayInfo.h>
-#include "DisplayHardware/DisplayIdentification.h"
#include "DisplayHardware/PowerAdvisor.h"
-#include "DisplayIdGenerator.h"
namespace android::compositionengine {
@@ -37,24 +34,14 @@
* A parameter object for creating Display instances
*/
struct DisplayCreationArgs {
- struct Physical {
- DisplayId id;
- ui::DisplayConnectionType type;
- };
+ DisplayId id;
- // Required for physical displays. Gives the HWC display id for the existing
- // display along with the connection type.
- std::optional<Physical> physical;
+ // Unset for virtual displays
+ std::optional<ui::DisplayConnectionType> connectionType;
// Size of the display in pixels
ui::Size pixels = ui::kInvalidSize;
- // Pixel format of the display
- ui::PixelFormat pixelFormat = static_cast<ui::PixelFormat>(PIXEL_FORMAT_UNKNOWN);
-
- // True if virtual displays should be created with the HWC API if possible
- bool useHwcVirtualDisplays = false;
-
// True if this display should be considered secure
bool isSecure = false;
@@ -67,9 +54,6 @@
// Debugging. Human readable name for the display.
std::string name;
-
- // Generator for IDs of virtual displays, which are backed by the GPU.
- DisplayIdGenerator<GpuVirtualDisplayId>* gpuVirtualDisplayIdGenerator;
};
/**
@@ -80,8 +64,13 @@
public:
DisplayCreationArgs build() { return std::move(mArgs); }
- DisplayCreationArgsBuilder& setPhysical(DisplayCreationArgs::Physical physical) {
- mArgs.physical = physical;
+ DisplayCreationArgsBuilder& setId(DisplayId id) {
+ mArgs.id = id;
+ return *this;
+ }
+
+ DisplayCreationArgsBuilder& setConnectionType(ui::DisplayConnectionType connectionType) {
+ mArgs.connectionType = connectionType;
return *this;
}
@@ -90,22 +79,6 @@
return *this;
}
- DisplayCreationArgsBuilder& setPixelFormat(ui::PixelFormat pixelFormat) {
- mArgs.pixelFormat = pixelFormat;
- return *this;
- }
-
- DisplayCreationArgsBuilder& setUseHwcVirtualDisplays(bool useHwcVirtualDisplays) {
- mArgs.useHwcVirtualDisplays = useHwcVirtualDisplays;
- return *this;
- }
-
- DisplayCreationArgsBuilder& setGpuVirtualDisplayIdGenerator(
- DisplayIdGenerator<GpuVirtualDisplayId>& generator) {
- mArgs.gpuVirtualDisplayIdGenerator = &generator;
- return *this;
- }
-
DisplayCreationArgsBuilder& setIsSecure(bool isSecure) {
mArgs.isSecure = isSecure;
return *this;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h
index 54e91ae..bb540ea 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Display.h
@@ -80,19 +80,13 @@
// Internal
virtual void setConfiguration(const compositionengine::DisplayCreationArgs&);
- virtual std::optional<DisplayId> maybeAllocateDisplayIdForVirtualDisplay(ui::Size,
- ui::PixelFormat) const;
std::unique_ptr<compositionengine::OutputLayer> createOutputLayer(const sp<LayerFE>&) const;
- // Testing
- void setDisplayIdForTesting(DisplayId displayId);
-
private:
bool mIsVirtual = false;
bool mIsDisconnected = false;
DisplayId mId;
Hwc2::PowerAdvisor* mPowerAdvisor = nullptr;
- DisplayIdGenerator<GpuVirtualDisplayId>* mGpuVirtualDisplayIdGenerator;
};
// This template factory function standardizes the implementation details of the
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index 1ffb1c8..7d84cb5 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -50,36 +50,14 @@
Display::~Display() = default;
void Display::setConfiguration(const compositionengine::DisplayCreationArgs& args) {
- mIsVirtual = !args.physical;
+ mId = args.id;
+ mIsVirtual = !args.connectionType;
mPowerAdvisor = args.powerAdvisor;
editState().isSecure = args.isSecure;
editState().displaySpace.bounds = Rect(args.pixels);
setLayerStackFilter(args.layerStackId,
- args.physical &&
- args.physical->type == ui::DisplayConnectionType::Internal);
+ args.connectionType == ui::DisplayConnectionType::Internal);
setName(args.name);
- mGpuVirtualDisplayIdGenerator = args.gpuVirtualDisplayIdGenerator;
-
- if (args.physical) {
- mId = args.physical->id;
- } else {
- std::optional<DisplayId> id;
- if (args.useHwcVirtualDisplays) {
- id = maybeAllocateDisplayIdForVirtualDisplay(args.pixels, args.pixelFormat);
- }
- if (!id) {
- id = mGpuVirtualDisplayIdGenerator->nextId();
- }
- LOG_ALWAYS_FATAL_IF(!id, "Failed to generate display ID");
- mId = *id;
- }
-}
-
-std::optional<DisplayId> Display::maybeAllocateDisplayIdForVirtualDisplay(
- ui::Size pixels, ui::PixelFormat pixelFormat) const {
- auto& hwc = getCompositionEngine().getHwComposer();
- return hwc.allocateVirtualDisplay(static_cast<uint32_t>(pixels.width),
- static_cast<uint32_t>(pixels.height), &pixelFormat);
}
bool Display::isValid() const {
@@ -102,23 +80,16 @@
return mId;
}
-void Display::setDisplayIdForTesting(DisplayId displayId) {
- mId = displayId;
-}
-
void Display::disconnect() {
if (mIsDisconnected) {
return;
}
mIsDisconnected = true;
- if (const auto id = GpuVirtualDisplayId::tryCast(mId)) {
- mGpuVirtualDisplayIdGenerator->markUnused(*id);
- return;
+
+ if (const auto id = HalDisplayId::tryCast(mId)) {
+ getCompositionEngine().getHwComposer().disconnectDisplay(*id);
}
- const auto halDisplayId = HalDisplayId::tryCast(mId);
- LOG_FATAL_IF(!halDisplayId);
- getCompositionEngine().getHwComposer().disconnectDisplay(*halDisplayId);
}
void Display::setColorTransform(const compositionengine::CompositionRefreshArgs& args) {
diff --git a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
index 492db43..5c9421b 100644
--- a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
@@ -14,10 +14,6 @@
* limitations under the License.
*/
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wextra"
-
#include <cmath>
#include <compositionengine/DisplayColorProfileCreationArgs.h>
@@ -60,13 +56,12 @@
using testing::SetArgPointee;
using testing::StrictMock;
-constexpr PhysicalDisplayId DEFAULT_DISPLAY_ID = PhysicalDisplayId::fromPort(42u);
-// TODO(b/160679868) Use VirtualDisplayId
-constexpr PhysicalDisplayId VIRTUAL_DISPLAY_ID = PhysicalDisplayId::fromPort(43u);
+constexpr PhysicalDisplayId DEFAULT_DISPLAY_ID = PhysicalDisplayId::fromPort(123u);
+constexpr HalVirtualDisplayId HAL_VIRTUAL_DISPLAY_ID{456u};
+constexpr GpuVirtualDisplayId GPU_VIRTUAL_DISPLAY_ID{789u};
-constexpr int32_t DEFAULT_DISPLAY_WIDTH = 1920;
-constexpr int32_t DEFAULT_DISPLAY_HEIGHT = 1080;
-constexpr int32_t DEFAULT_LAYER_STACK = 123;
+constexpr ui::Size DEFAULT_RESOLUTION{1920, 1080};
+constexpr uint32_t DEFAULT_LAYER_STACK = 42;
struct Layer {
Layer() {
@@ -95,8 +90,6 @@
public:
using impl::Display::injectOutputLayerForTest;
virtual void injectOutputLayerForTest(std::unique_ptr<compositionengine::OutputLayer>) = 0;
-
- using impl::Display::maybeAllocateDisplayIdForVirtualDisplay;
};
// Uses a special implementation with key internal member functions set up
@@ -170,21 +163,19 @@
DisplayCreationArgs getDisplayCreationArgsForPhysicalHWCDisplay() {
return DisplayCreationArgsBuilder()
- .setPhysical({DEFAULT_DISPLAY_ID, ui::DisplayConnectionType::Internal})
- .setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
+ .setId(DEFAULT_DISPLAY_ID)
+ .setConnectionType(ui::DisplayConnectionType::Internal)
+ .setPixels(DEFAULT_RESOLUTION)
.setIsSecure(true)
.setLayerStackId(DEFAULT_LAYER_STACK)
.setPowerAdvisor(&mPowerAdvisor)
.build();
}
- DisplayCreationArgs getDisplayCreationArgsForNonHWCVirtualDisplay() {
+ DisplayCreationArgs getDisplayCreationArgsForGpuVirtualDisplay() {
return DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(false)
- .setGpuVirtualDisplayIdGenerator(mGpuDisplayIdGenerator)
- .setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
+ .setId(GPU_VIRTUAL_DISPLAY_ID)
+ .setPixels(DEFAULT_RESOLUTION)
.setIsSecure(false)
.setLayerStackId(DEFAULT_LAYER_STACK)
.setPowerAdvisor(&mPowerAdvisor)
@@ -196,7 +187,6 @@
StrictMock<renderengine::mock::RenderEngine> mRenderEngine;
StrictMock<mock::CompositionEngine> mCompositionEngine;
sp<mock::NativeWindow> mNativeWindow = new StrictMock<mock::NativeWindow>();
- RandomDisplayIdGenerator<GpuVirtualDisplayId> mGpuDisplayIdGenerator;
};
struct PartialMockDisplayTestCommon : public DisplayTestCommon {
@@ -248,9 +238,9 @@
EXPECT_EQ(DEFAULT_DISPLAY_ID, display->getId());
}
-TEST_F(DisplayCreationTest, createNonHwcVirtualDisplay) {
- auto display = impl::createDisplay(mCompositionEngine,
- getDisplayCreationArgsForNonHWCVirtualDisplay());
+TEST_F(DisplayCreationTest, createGpuVirtualDisplay) {
+ auto display =
+ impl::createDisplay(mCompositionEngine, getDisplayCreationArgsForGpuVirtualDisplay());
EXPECT_FALSE(display->isSecure());
EXPECT_TRUE(display->isVirtual());
EXPECT_TRUE(GpuVirtualDisplayId::tryCast(display->getId()));
@@ -263,17 +253,15 @@
using DisplaySetConfigurationTest = PartialMockDisplayTestCommon;
TEST_F(DisplaySetConfigurationTest, configuresInternalSecurePhysicalDisplay) {
- mDisplay->setConfiguration(
- DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(true)
- .setPhysical({DEFAULT_DISPLAY_ID, ui::DisplayConnectionType::Internal})
- .setPixels(ui::Size(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH))
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
- .setIsSecure(true)
- .setLayerStackId(DEFAULT_LAYER_STACK)
- .setPowerAdvisor(&mPowerAdvisor)
- .setName(getDisplayNameFromCurrentTest())
- .build());
+ mDisplay->setConfiguration(DisplayCreationArgsBuilder()
+ .setId(DEFAULT_DISPLAY_ID)
+ .setConnectionType(ui::DisplayConnectionType::Internal)
+ .setPixels(DEFAULT_RESOLUTION)
+ .setIsSecure(true)
+ .setLayerStackId(DEFAULT_LAYER_STACK)
+ .setPowerAdvisor(&mPowerAdvisor)
+ .setName(getDisplayNameFromCurrentTest())
+ .build());
EXPECT_EQ(DEFAULT_DISPLAY_ID, mDisplay->getId());
EXPECT_TRUE(mDisplay->isSecure());
@@ -284,17 +272,15 @@
}
TEST_F(DisplaySetConfigurationTest, configuresExternalInsecurePhysicalDisplay) {
- mDisplay->setConfiguration(
- DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(true)
- .setPhysical({DEFAULT_DISPLAY_ID, ui::DisplayConnectionType::External})
- .setPixels(ui::Size(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH))
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
- .setIsSecure(false)
- .setLayerStackId(DEFAULT_LAYER_STACK)
- .setPowerAdvisor(&mPowerAdvisor)
- .setName(getDisplayNameFromCurrentTest())
- .build());
+ mDisplay->setConfiguration(DisplayCreationArgsBuilder()
+ .setId(DEFAULT_DISPLAY_ID)
+ .setConnectionType(ui::DisplayConnectionType::External)
+ .setPixels(DEFAULT_RESOLUTION)
+ .setIsSecure(false)
+ .setLayerStackId(DEFAULT_LAYER_STACK)
+ .setPowerAdvisor(&mPowerAdvisor)
+ .setName(getDisplayNameFromCurrentTest())
+ .build());
EXPECT_EQ(DEFAULT_DISPLAY_ID, mDisplay->getId());
EXPECT_FALSE(mDisplay->isSecure());
@@ -304,25 +290,17 @@
EXPECT_FALSE(mDisplay->isValid());
}
-TEST_F(DisplaySetConfigurationTest, configuresHwcBackedVirtualDisplay) {
- EXPECT_CALL(mHwComposer,
- allocateVirtualDisplay(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH,
- Pointee(Eq(static_cast<ui::PixelFormat>(
- PIXEL_FORMAT_RGBA_8888)))))
- .WillOnce(Return(VIRTUAL_DISPLAY_ID));
+TEST_F(DisplaySetConfigurationTest, configuresHalVirtualDisplay) {
+ mDisplay->setConfiguration(DisplayCreationArgsBuilder()
+ .setId(HAL_VIRTUAL_DISPLAY_ID)
+ .setPixels(DEFAULT_RESOLUTION)
+ .setIsSecure(false)
+ .setLayerStackId(DEFAULT_LAYER_STACK)
+ .setPowerAdvisor(&mPowerAdvisor)
+ .setName(getDisplayNameFromCurrentTest())
+ .build());
- mDisplay->setConfiguration(
- DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(true)
- .setPixels(ui::Size(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH))
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
- .setIsSecure(false)
- .setLayerStackId(DEFAULT_LAYER_STACK)
- .setPowerAdvisor(&mPowerAdvisor)
- .setName(getDisplayNameFromCurrentTest())
- .build());
-
- EXPECT_EQ(VIRTUAL_DISPLAY_ID, mDisplay->getId());
+ EXPECT_EQ(HAL_VIRTUAL_DISPLAY_ID, mDisplay->getId());
EXPECT_FALSE(mDisplay->isSecure());
EXPECT_TRUE(mDisplay->isVirtual());
EXPECT_EQ(DEFAULT_LAYER_STACK, mDisplay->getState().layerStackId);
@@ -330,47 +308,17 @@
EXPECT_FALSE(mDisplay->isValid());
}
-TEST_F(DisplaySetConfigurationTest, configuresNonHwcBackedVirtualDisplayIfHwcAllocationFails) {
- EXPECT_CALL(mHwComposer,
- allocateVirtualDisplay(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH,
- Pointee(Eq(static_cast<ui::PixelFormat>(
- PIXEL_FORMAT_RGBA_8888)))))
- .WillOnce(Return(std::nullopt));
+TEST_F(DisplaySetConfigurationTest, configuresGpuVirtualDisplay) {
+ mDisplay->setConfiguration(DisplayCreationArgsBuilder()
+ .setId(GPU_VIRTUAL_DISPLAY_ID)
+ .setPixels(DEFAULT_RESOLUTION)
+ .setIsSecure(false)
+ .setLayerStackId(DEFAULT_LAYER_STACK)
+ .setPowerAdvisor(&mPowerAdvisor)
+ .setName(getDisplayNameFromCurrentTest())
+ .build());
- mDisplay->setConfiguration(
- DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(true)
- .setGpuVirtualDisplayIdGenerator(mGpuDisplayIdGenerator)
- .setPixels(ui::Size(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH))
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
- .setIsSecure(false)
- .setLayerStackId(DEFAULT_LAYER_STACK)
- .setPowerAdvisor(&mPowerAdvisor)
- .setName(getDisplayNameFromCurrentTest())
- .build());
-
- EXPECT_TRUE(GpuVirtualDisplayId::tryCast(mDisplay->getId()));
- EXPECT_FALSE(mDisplay->isSecure());
- EXPECT_TRUE(mDisplay->isVirtual());
- EXPECT_EQ(DEFAULT_LAYER_STACK, mDisplay->getState().layerStackId);
- EXPECT_FALSE(mDisplay->getState().layerStackInternal);
- EXPECT_FALSE(mDisplay->isValid());
-}
-
-TEST_F(DisplaySetConfigurationTest, configuresNonHwcBackedVirtualDisplayIfShouldNotUseHwc) {
- mDisplay->setConfiguration(
- DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(false)
- .setGpuVirtualDisplayIdGenerator(mGpuDisplayIdGenerator)
- .setPixels(ui::Size(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_WIDTH))
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
- .setIsSecure(false)
- .setLayerStackId(DEFAULT_LAYER_STACK)
- .setPowerAdvisor(&mPowerAdvisor)
- .setName(getDisplayNameFromCurrentTest())
- .build());
-
- EXPECT_TRUE(GpuVirtualDisplayId::tryCast(mDisplay->getId()));
+ EXPECT_EQ(GPU_VIRTUAL_DISPLAY_ID, mDisplay->getId());
EXPECT_FALSE(mDisplay->isSecure());
EXPECT_TRUE(mDisplay->isVirtual());
EXPECT_EQ(DEFAULT_LAYER_STACK, mDisplay->getState().layerStackId);
@@ -477,7 +425,7 @@
TEST_F(DisplaySetColorModeTest, doesNothingForVirtualDisplay) {
using ColorProfile = Output::ColorProfile;
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
std::shared_ptr<impl::Display> virtualDisplay = impl::createDisplay(mCompositionEngine, args);
mock::DisplayColorProfile* colorProfile = new StrictMock<mock::DisplayColorProfile>();
@@ -557,25 +505,25 @@
using DisplaySetReleasedLayersTest = DisplayWithLayersTestCommon;
-TEST_F(DisplaySetReleasedLayersTest, doesNothingIfNotHwcDisplay) {
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- std::shared_ptr<impl::Display> nonHwcDisplay = impl::createDisplay(mCompositionEngine, args);
+TEST_F(DisplaySetReleasedLayersTest, doesNothingIfGpuDisplay) {
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
sp<mock::LayerFE> layerXLayerFE = new StrictMock<mock::LayerFE>();
{
Output::ReleasedLayers releasedLayers;
releasedLayers.emplace_back(layerXLayerFE);
- nonHwcDisplay->setReleasedLayers(std::move(releasedLayers));
+ gpuDisplay->setReleasedLayers(std::move(releasedLayers));
}
CompositionRefreshArgs refreshArgs;
refreshArgs.layersWithQueuedFrames.push_back(layerXLayerFE);
- nonHwcDisplay->setReleasedLayers(refreshArgs);
+ gpuDisplay->setReleasedLayers(refreshArgs);
- const auto& releasedLayers = nonHwcDisplay->getReleasedLayersForTest();
- ASSERT_EQ(1, releasedLayers.size());
+ const auto& releasedLayers = gpuDisplay->getReleasedLayersForTest();
+ ASSERT_EQ(1u, releasedLayers.size());
}
TEST_F(DisplaySetReleasedLayersTest, doesNothingIfNoLayersWithQueuedFrames) {
@@ -591,7 +539,7 @@
mDisplay->setReleasedLayers(refreshArgs);
const auto& releasedLayers = mDisplay->getReleasedLayersForTest();
- ASSERT_EQ(1, releasedLayers.size());
+ ASSERT_EQ(1u, releasedLayers.size());
}
TEST_F(DisplaySetReleasedLayersTest, setReleasedLayers) {
@@ -605,7 +553,7 @@
mDisplay->setReleasedLayers(refreshArgs);
const auto& releasedLayers = mDisplay->getReleasedLayersForTest();
- ASSERT_EQ(2, releasedLayers.size());
+ ASSERT_EQ(2u, releasedLayers.size());
ASSERT_EQ(mLayer1.layerFE.get(), releasedLayers[0].promote().get());
ASSERT_EQ(mLayer2.layerFE.get(), releasedLayers[1].promote().get());
}
@@ -616,15 +564,15 @@
using DisplayChooseCompositionStrategyTest = PartialMockDisplayTestCommon;
-TEST_F(DisplayChooseCompositionStrategyTest, takesEarlyOutIfNotAHwcDisplay) {
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- std::shared_ptr<Display> nonHwcDisplay =
+TEST_F(DisplayChooseCompositionStrategyTest, takesEarlyOutIfGpuDisplay) {
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ std::shared_ptr<Display> gpuDisplay =
createPartialMockDisplay<Display>(mCompositionEngine, args);
- EXPECT_TRUE(GpuVirtualDisplayId::tryCast(nonHwcDisplay->getId()));
+ EXPECT_TRUE(GpuVirtualDisplayId::tryCast(gpuDisplay->getId()));
- nonHwcDisplay->chooseCompositionStrategy();
+ gpuDisplay->chooseCompositionStrategy();
- auto& state = nonHwcDisplay->getState();
+ auto& state = gpuDisplay->getState();
EXPECT_TRUE(state.usesClientComposition);
EXPECT_FALSE(state.usesDeviceComposition);
}
@@ -704,12 +652,12 @@
using DisplayGetSkipColorTransformTest = DisplayWithLayersTestCommon;
-TEST_F(DisplayGetSkipColorTransformTest, checksCapabilityIfNonHwcDisplay) {
+TEST_F(DisplayGetSkipColorTransformTest, checksCapabilityIfGpuDisplay) {
EXPECT_CALL(mHwComposer, hasCapability(hal::Capability::SKIP_CLIENT_COLOR_TRANSFORM))
.WillOnce(Return(true));
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- auto nonHwcDisplay{impl::createDisplay(mCompositionEngine, args)};
- EXPECT_TRUE(nonHwcDisplay->getSkipColorTransform());
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ auto gpuDisplay{impl::createDisplay(mCompositionEngine, args)};
+ EXPECT_TRUE(gpuDisplay->getSkipColorTransform());
}
TEST_F(DisplayGetSkipColorTransformTest, checksDisplayCapability) {
@@ -856,11 +804,11 @@
using DisplayPresentAndGetFrameFencesTest = DisplayWithLayersTestCommon;
-TEST_F(DisplayPresentAndGetFrameFencesTest, returnsNoFencesOnNonHwcDisplay) {
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- auto nonHwcDisplay{impl::createDisplay(mCompositionEngine, args)};
+TEST_F(DisplayPresentAndGetFrameFencesTest, returnsNoFencesOnGpuDisplay) {
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ auto gpuDisplay{impl::createDisplay(mCompositionEngine, args)};
- auto result = nonHwcDisplay->presentAndGetFrameFences();
+ auto result = gpuDisplay->presentAndGetFrameFences();
ASSERT_TRUE(result.presentFence.get());
EXPECT_FALSE(result.presentFence->isValid());
@@ -888,9 +836,9 @@
EXPECT_EQ(presentFence, result.presentFence);
EXPECT_EQ(2u, result.layerFences.size());
- ASSERT_EQ(1, result.layerFences.count(&mLayer1.hwc2Layer));
+ ASSERT_EQ(1u, result.layerFences.count(&mLayer1.hwc2Layer));
EXPECT_EQ(layer1Fence, result.layerFences[&mLayer1.hwc2Layer]);
- ASSERT_EQ(1, result.layerFences.count(&mLayer2.hwc2Layer));
+ ASSERT_EQ(1u, result.layerFences.count(&mLayer2.hwc2Layer));
EXPECT_EQ(layer2Fence, result.layerFences[&mLayer2.hwc2Layer]);
}
@@ -936,66 +884,66 @@
}
TEST_F(DisplayFinishFrameTest, skipsCompositionIfNotDirty) {
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- std::shared_ptr<impl::Display> nonHwcDisplay = impl::createDisplay(mCompositionEngine, args);
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
mock::RenderSurface* renderSurface = new StrictMock<mock::RenderSurface>();
- nonHwcDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
+ gpuDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
// We expect no calls to queueBuffer if composition was skipped.
EXPECT_CALL(*renderSurface, queueBuffer(_)).Times(0);
- nonHwcDisplay->editState().isEnabled = true;
- nonHwcDisplay->editState().usesClientComposition = false;
- nonHwcDisplay->editState().layerStackSpace.content = Rect(0, 0, 1, 1);
- nonHwcDisplay->editState().dirtyRegion = Region::INVALID_REGION;
+ gpuDisplay->editState().isEnabled = true;
+ gpuDisplay->editState().usesClientComposition = false;
+ gpuDisplay->editState().layerStackSpace.content = Rect(0, 0, 1, 1);
+ gpuDisplay->editState().dirtyRegion = Region::INVALID_REGION;
CompositionRefreshArgs refreshArgs;
refreshArgs.repaintEverything = false;
- nonHwcDisplay->finishFrame(refreshArgs);
+ gpuDisplay->finishFrame(refreshArgs);
}
TEST_F(DisplayFinishFrameTest, performsCompositionIfDirty) {
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- std::shared_ptr<impl::Display> nonHwcDisplay = impl::createDisplay(mCompositionEngine, args);
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
mock::RenderSurface* renderSurface = new StrictMock<mock::RenderSurface>();
- nonHwcDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
+ gpuDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
// We expect a single call to queueBuffer when composition is not skipped.
EXPECT_CALL(*renderSurface, queueBuffer(_)).Times(1);
- nonHwcDisplay->editState().isEnabled = true;
- nonHwcDisplay->editState().usesClientComposition = false;
- nonHwcDisplay->editState().layerStackSpace.content = Rect(0, 0, 1, 1);
- nonHwcDisplay->editState().dirtyRegion = Region(Rect(0, 0, 1, 1));
+ gpuDisplay->editState().isEnabled = true;
+ gpuDisplay->editState().usesClientComposition = false;
+ gpuDisplay->editState().layerStackSpace.content = Rect(0, 0, 1, 1);
+ gpuDisplay->editState().dirtyRegion = Region(Rect(0, 0, 1, 1));
CompositionRefreshArgs refreshArgs;
refreshArgs.repaintEverything = false;
- nonHwcDisplay->finishFrame(refreshArgs);
+ gpuDisplay->finishFrame(refreshArgs);
}
TEST_F(DisplayFinishFrameTest, performsCompositionIfRepaintEverything) {
- auto args = getDisplayCreationArgsForNonHWCVirtualDisplay();
- std::shared_ptr<impl::Display> nonHwcDisplay = impl::createDisplay(mCompositionEngine, args);
+ auto args = getDisplayCreationArgsForGpuVirtualDisplay();
+ std::shared_ptr<impl::Display> gpuDisplay = impl::createDisplay(mCompositionEngine, args);
mock::RenderSurface* renderSurface = new StrictMock<mock::RenderSurface>();
- nonHwcDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
+ gpuDisplay->setRenderSurfaceForTest(std::unique_ptr<RenderSurface>(renderSurface));
// We expect a single call to queueBuffer when composition is not skipped.
EXPECT_CALL(*renderSurface, queueBuffer(_)).Times(1);
- nonHwcDisplay->editState().isEnabled = true;
- nonHwcDisplay->editState().usesClientComposition = false;
- nonHwcDisplay->editState().layerStackSpace.content = Rect(0, 0, 1, 1);
- nonHwcDisplay->editState().dirtyRegion = Region::INVALID_REGION;
+ gpuDisplay->editState().isEnabled = true;
+ gpuDisplay->editState().usesClientComposition = false;
+ gpuDisplay->editState().layerStackSpace.content = Rect(0, 0, 1, 1);
+ gpuDisplay->editState().dirtyRegion = Region::INVALID_REGION;
CompositionRefreshArgs refreshArgs;
refreshArgs.repaintEverything = true;
- nonHwcDisplay->finishFrame(refreshArgs);
+ gpuDisplay->finishFrame(refreshArgs);
}
/*
@@ -1020,23 +968,23 @@
NiceMock<mock::CompositionEngine> mCompositionEngine;
sp<mock::NativeWindow> mNativeWindow = new NiceMock<mock::NativeWindow>();
sp<mock::DisplaySurface> mDisplaySurface = new NiceMock<mock::DisplaySurface>();
+
std::shared_ptr<Display> mDisplay = impl::createDisplayTemplated<
Display>(mCompositionEngine,
DisplayCreationArgsBuilder()
- .setPhysical({DEFAULT_DISPLAY_ID, ui::DisplayConnectionType::Internal})
- .setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
- .setPixelFormat(static_cast<ui::PixelFormat>(PIXEL_FORMAT_RGBA_8888))
+ .setId(DEFAULT_DISPLAY_ID)
+ .setConnectionType(ui::DisplayConnectionType::Internal)
+ .setPixels(DEFAULT_RESOLUTION)
.setIsSecure(true)
.setLayerStackId(DEFAULT_LAYER_STACK)
.setPowerAdvisor(&mPowerAdvisor)
- .build()
+ .build());
- );
impl::RenderSurface* mRenderSurface =
new impl::RenderSurface{mCompositionEngine, *mDisplay,
RenderSurfaceCreationArgsBuilder()
- .setDisplayWidth(DEFAULT_DISPLAY_WIDTH)
- .setDisplayHeight(DEFAULT_DISPLAY_HEIGHT)
+ .setDisplayWidth(DEFAULT_RESOLUTION.width)
+ .setDisplayHeight(DEFAULT_RESOLUTION.height)
.setNativeWindow(mNativeWindow)
.setDisplaySurface(mDisplaySurface)
.build()};
@@ -1055,6 +1003,3 @@
} // namespace
} // namespace android::compositionengine
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wextra"
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index bac894a..ee4f331 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -45,9 +45,13 @@
MOCK_CONST_METHOD1(hasCapability, bool(hal::Capability));
MOCK_CONST_METHOD2(hasDisplayCapability, bool(HalDisplayId, hal::DisplayCapability));
- MOCK_METHOD3(allocateVirtualDisplay,
- std::optional<DisplayId>(uint32_t, uint32_t, ui::PixelFormat*));
+ MOCK_CONST_METHOD0(getMaxVirtualDisplayCount, size_t());
+ MOCK_CONST_METHOD0(getMaxVirtualDisplayDimension, size_t());
+ MOCK_METHOD4(allocateVirtualDisplay,
+ bool(HalVirtualDisplayId, ui::Size, ui::PixelFormat*,
+ std::optional<PhysicalDisplayId>));
MOCK_METHOD2(allocatePhysicalDisplay, void(hal::HWDisplayId, PhysicalDisplayId));
+
MOCK_METHOD1(createLayer, HWC2::Layer*(HalDisplayId));
MOCK_METHOD2(destroyLayer, void(HalDisplayId, HWC2::Layer*));
MOCK_METHOD3(getDeviceCompositionChanges,
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index bf249cd..33c2563 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -103,15 +103,21 @@
bool needsFiltering() const;
ui::LayerStack getLayerStack() const;
- // Returns the physical ID of this display. This function asserts the ID is physical and it
- // shouldn't be called for other display types, e.g. virtual.
+ DisplayId getId() const;
+
+ // Shorthand to upcast the ID of a display whose type is known as a precondition.
PhysicalDisplayId getPhysicalId() const {
- const auto displayIdOpt = PhysicalDisplayId::tryCast(getId());
- LOG_FATAL_IF(!displayIdOpt);
- return *displayIdOpt;
+ const auto id = PhysicalDisplayId::tryCast(getId());
+ LOG_FATAL_IF(!id);
+ return *id;
}
- DisplayId getId() const;
+ VirtualDisplayId getVirtualId() const {
+ const auto id = VirtualDisplayId::tryCast(getId());
+ LOG_FATAL_IF(!id);
+ return *id;
+ }
+
const wp<IBinder>& getDisplayToken() const { return mDisplayToken; }
int32_t getSequenceId() const { return mSequenceId; }
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
index 1cbcf59..caf0294 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.cpp
@@ -211,9 +211,8 @@
return unwrapRet(ret, 0);
}
-Error Composer::createVirtualDisplay(uint32_t width, uint32_t height,
- PixelFormat* format, Display* outDisplay)
-{
+Error Composer::createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
+ std::optional<Display>, 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 0619b8c..b525e63 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -18,6 +18,7 @@
#define ANDROID_SF_COMPOSER_HAL_H
#include <memory>
+#include <optional>
#include <string>
#include <unordered_map>
#include <utility>
@@ -94,8 +95,8 @@
virtual Error executeCommands() = 0;
virtual uint32_t getMaxVirtualDisplayCount() = 0;
- virtual Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
- Display* outDisplay) = 0;
+ virtual Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat*,
+ std::optional<Display> mirror, Display* outDisplay) = 0;
virtual Error destroyVirtualDisplay(Display display) = 0;
virtual Error acceptDisplayChanges(Display display) = 0;
@@ -341,7 +342,7 @@
uint32_t getMaxVirtualDisplayCount() override;
Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
- Display* outDisplay) override;
+ std::optional<Display> mirror, 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 b73d032..97cbd07 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -38,7 +38,6 @@
#include <utils/Trace.h>
#include "../Layer.h" // needed only for debugging
-#include "../SurfaceFlinger.h"
#include "../SurfaceFlingerProperties.h"
#include "ComposerHal.h"
#include "HWC2.h"
@@ -145,8 +144,9 @@
HWComposer::HWComposer(std::unique_ptr<Hwc2::Composer> composer)
: mComposer(std::move(composer)),
+ mMaxVirtualDisplayDimension(static_cast<size_t>(sysprop::max_virtual_display_dimension(0))),
mUpdateDeviceProductInfoOnHotplugReconnect(
- android::sysprop::update_device_product_info_on_hotplug_reconnect(false)) {}
+ sysprop::update_device_product_info_on_hotplug_reconnect(false)) {}
HWComposer::HWComposer(const std::string& composerServiceName)
: HWComposer(std::make_unique<Hwc2::impl::Composer>(composerServiceName)) {}
@@ -243,38 +243,49 @@
return true;
}
-std::optional<DisplayId> HWComposer::allocateVirtualDisplay(uint32_t width, uint32_t height,
- ui::PixelFormat* format) {
- if (SurfaceFlinger::maxVirtualDisplaySize != 0 &&
- (width > SurfaceFlinger::maxVirtualDisplaySize ||
- height > SurfaceFlinger::maxVirtualDisplaySize)) {
- ALOGE("%s: Display size %ux%u exceeds maximum dimension of %" PRIu64, __FUNCTION__, width,
- height, SurfaceFlinger::maxVirtualDisplaySize);
- return {};
+size_t HWComposer::getMaxVirtualDisplayCount() const {
+ return mComposer->getMaxVirtualDisplayCount();
+}
+
+size_t HWComposer::getMaxVirtualDisplayDimension() const {
+ return mMaxVirtualDisplayDimension;
+}
+
+bool HWComposer::allocateVirtualDisplay(HalVirtualDisplayId displayId, ui::Size resolution,
+ ui::PixelFormat* format,
+ std::optional<PhysicalDisplayId> mirror) {
+ if (!resolution.isValid()) {
+ ALOGE("%s: Invalid resolution %dx%d", __func__, resolution.width, resolution.height);
+ return false;
}
- const auto displayId = mVirtualIdGenerator.nextId();
- if (!displayId) {
- ALOGE("%s: No remaining virtual displays", __FUNCTION__);
- return {};
+ const uint32_t width = static_cast<uint32_t>(resolution.width);
+ const uint32_t height = static_cast<uint32_t>(resolution.height);
+
+ if (mMaxVirtualDisplayDimension > 0 &&
+ (width > mMaxVirtualDisplayDimension || height > mMaxVirtualDisplayDimension)) {
+ ALOGE("%s: Resolution %ux%u exceeds maximum dimension %zu", __func__, width, height,
+ mMaxVirtualDisplayDimension);
+ return false;
}
- hal::HWDisplayId hwcDisplayId = 0;
+ 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, &hwcDisplayId));
- if (error != hal::Error::NONE) {
- ALOGE("%s: Failed to create HWC virtual display", __FUNCTION__);
- mVirtualIdGenerator.markUnused(*displayId);
- return {};
- }
+ mComposer->createVirtualDisplay(width, height, format, hwcMirrorId, &hwcDisplayId));
+ RETURN_IF_HWC_ERROR_FOR("createVirtualDisplay", error, displayId, false);
auto display = std::make_unique<HWC2::impl::Display>(*mComposer.get(), mCapabilities,
hwcDisplayId, hal::DisplayType::VIRTUAL);
display->setConnected(true);
- auto& displayData = mDisplayData[*displayId];
+ auto& displayData = mDisplayData[displayId];
displayData.hwcDisplay = std::move(display);
displayData.isVirtual = true;
- return displayId;
+ return true;
}
void HWComposer::allocatePhysicalDisplay(hal::HWDisplayId hwcDisplayId,
@@ -666,13 +677,6 @@
void HWComposer::disconnectDisplay(HalDisplayId displayId) {
RETURN_IF_INVALID_DISPLAY(displayId);
auto& displayData = mDisplayData[displayId];
-
- // If this was a virtual display, add its slot back for reuse by future
- // virtual displays
- if (displayData.isVirtual) {
- mVirtualIdGenerator.markUnused(*HalVirtualDisplayId::tryCast(displayId));
- }
-
const auto hwcDisplayId = displayData.hwcDisplay->getId();
// TODO(b/74619554): Select internal/external display from remaining displays.
@@ -979,10 +983,6 @@
}
}
-uint32_t HWComposer::getMaxVirtualDisplayCount() const {
- return mComposer->getMaxVirtualDisplayCount();
-}
-
} // namespace impl
} // namespace android
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index f532e50..1f81b8d 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -39,7 +39,6 @@
#include <utils/StrongPointer.h>
#include <utils/Timers.h>
-#include "DisplayIdGenerator.h"
#include "DisplayIdentification.h"
#include "DisplayMode.h"
#include "HWC2.h"
@@ -109,9 +108,16 @@
virtual bool hasCapability(hal::Capability) const = 0;
virtual bool hasDisplayCapability(HalDisplayId, hal::DisplayCapability) const = 0;
- // Attempts to allocate a virtual display and returns its ID if created on the HWC device.
- virtual std::optional<DisplayId> allocateVirtualDisplay(uint32_t width, uint32_t height,
- ui::PixelFormat*) = 0;
+ virtual size_t getMaxVirtualDisplayCount() const = 0;
+ virtual size_t getMaxVirtualDisplayDimension() const = 0;
+
+ // 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 void allocatePhysicalDisplay(hal::HWDisplayId, PhysicalDisplayId) = 0;
@@ -254,9 +260,11 @@
bool hasCapability(hal::Capability) const override;
bool hasDisplayCapability(HalDisplayId, hal::DisplayCapability) const override;
- // Attempts to allocate a virtual display and returns its ID if created on the HWC device.
- std::optional<DisplayId> allocateVirtualDisplay(uint32_t width, uint32_t height,
- ui::PixelFormat*) override;
+ size_t getMaxVirtualDisplayCount() const override;
+ size_t getMaxVirtualDisplayDimension() const override;
+
+ bool allocateVirtualDisplay(HalVirtualDisplayId, ui::Size, ui::PixelFormat*,
+ std::optional<PhysicalDisplayId>) override;
// Called from SurfaceFlinger, when the state for a new physical display needs to be recreated.
void allocatePhysicalDisplay(hal::HWDisplayId, PhysicalDisplayId) override;
@@ -402,7 +410,6 @@
void loadCapabilities();
void loadLayerMetadataSupport();
- uint32_t getMaxVirtualDisplayCount() const;
std::unordered_map<HalDisplayId, DisplayData> mDisplayData;
@@ -416,8 +423,7 @@
std::optional<hal::HWDisplayId> mExternalHwcDisplayId;
bool mHasMultiDisplaySupport = false;
- RandomDisplayIdGenerator<HalVirtualDisplayId> mVirtualIdGenerator{getMaxVirtualDisplayCount()};
-
+ const size_t mMaxVirtualDisplayDimension;
const bool mUpdateDeviceProductInfoOnHotplugReconnect;
};
diff --git a/services/surfaceflinger/DisplayIdGenerator.h b/services/surfaceflinger/DisplayIdGenerator.h
index e7c69a8..9791a25 100644
--- a/services/surfaceflinger/DisplayIdGenerator.h
+++ b/services/surfaceflinger/DisplayIdGenerator.h
@@ -27,23 +27,16 @@
namespace android {
-template <typename T>
+// Generates pseudo-random IDs of type GpuVirtualDisplayId or HalVirtualDisplayId.
+template <typename Id>
class DisplayIdGenerator {
public:
- virtual std::optional<T> nextId() = 0;
- virtual void markUnused(T id) = 0;
-
-protected:
- ~DisplayIdGenerator() {}
-};
-
-template <typename T>
-class RandomDisplayIdGenerator final : public DisplayIdGenerator<T> {
-public:
- explicit RandomDisplayIdGenerator(size_t maxIdsCount = std::numeric_limits<size_t>::max())
+ explicit DisplayIdGenerator(size_t maxIdsCount = std::numeric_limits<size_t>::max())
: mMaxIdsCount(maxIdsCount) {}
- std::optional<T> nextId() override {
+ bool inUse() const { return !mUsedIds.empty(); }
+
+ std::optional<Id> generateId() {
if (mUsedIds.size() >= mMaxIdsCount) {
return std::nullopt;
}
@@ -51,8 +44,7 @@
constexpr int kMaxAttempts = 1000;
for (int attempts = 0; attempts < kMaxAttempts; attempts++) {
- const auto baseId = mDistribution(mGenerator);
- const T id(baseId);
+ const Id id{mDistribution(mGenerator)};
if (mUsedIds.count(id) == 0) {
mUsedIds.insert(id);
return id;
@@ -62,14 +54,18 @@
LOG_ALWAYS_FATAL("Couldn't generate ID after %d attempts", kMaxAttempts);
}
- void markUnused(T id) override { mUsedIds.erase(id); }
+ void releaseId(Id id) { mUsedIds.erase(id); }
private:
const size_t mMaxIdsCount;
- std::unordered_set<T> mUsedIds;
+ std::unordered_set<Id> mUsedIds;
+
+ // Pseudo-random with random seed, in contrast to physical display IDs, which are stable
+ // across reboots. The only ISurfaceComposer exposure for these IDs is a restricted API
+ // for screencap, so there is little benefit in making them unpredictable.
std::default_random_engine mGenerator{std::random_device()()};
- std::uniform_int_distribution<typename T::BaseId> mDistribution;
+ std::uniform_int_distribution<typename Id::BaseId> mDistribution;
};
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 4b0bdcb..377e685 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -294,7 +294,6 @@
// ---------------------------------------------------------------------------
int64_t SurfaceFlinger::dispSyncPresentTimeOffset;
bool SurfaceFlinger::useHwcForRgbToYuv;
-uint64_t SurfaceFlinger::maxVirtualDisplaySize;
bool SurfaceFlinger::hasSyncFramework;
int64_t SurfaceFlinger::maxFrameBufferAcquiredBuffers;
uint32_t SurfaceFlinger::maxGraphicsWidth;
@@ -356,8 +355,6 @@
useHwcForRgbToYuv = force_hwc_copy_for_virtual_displays(false);
- maxVirtualDisplaySize = max_virtual_display_dimension(0);
-
maxFrameBufferAcquiredBuffers = max_frame_buffer_acquired_buffers(2);
maxGraphicsWidth = std::max(max_graphics_width(0), 0);
@@ -433,10 +430,6 @@
ALOGI_IF(mPropagateBackpressureClientComposition,
"Enabling backpressure propagation for Client Composition");
- property_get("debug.sf.enable_hwc_vds", value, "0");
- mUseHwcVirtualDisplays = atoi(value);
- ALOGI_IF(mUseHwcVirtualDisplays, "Enabling HWC virtual displays");
-
property_get("ro.surface_flinger.supports_background_blur", value, "0");
bool supportsBlurs = atoi(value);
mSupportsBlur = supportsBlurs;
@@ -574,6 +567,59 @@
setTransactionFlags(eDisplayTransactionNeeded);
}
+void SurfaceFlinger::enableHalVirtualDisplays(bool enable) {
+ auto& generator = mVirtualDisplayIdGenerators.hal;
+ if (!generator && enable) {
+ ALOGI("Enabling HAL virtual displays");
+ generator.emplace(getHwComposer().getMaxVirtualDisplayCount());
+ } else if (generator && !enable) {
+ ALOGW_IF(generator->inUse(), "Disabling HAL virtual displays while in use");
+ generator.reset();
+ }
+}
+
+VirtualDisplayId SurfaceFlinger::acquireVirtualDisplay(ui::Size resolution, ui::PixelFormat format,
+ ui::LayerStack layerStack) {
+ if (auto& generator = mVirtualDisplayIdGenerators.hal) {
+ if (const auto id = generator->generateId()) {
+ std::optional<PhysicalDisplayId> mirror;
+
+ if (const auto display = findDisplay([layerStack](const auto& display) {
+ return !display.isVirtual() && display.getLayerStack() == layerStack;
+ })) {
+ mirror = display->getPhysicalId();
+ }
+
+ if (getHwComposer().allocateVirtualDisplay(*id, resolution, &format, mirror)) {
+ return *id;
+ }
+
+ generator->releaseId(*id);
+ } else {
+ ALOGW("%s: Exhausted HAL virtual displays", __func__);
+ }
+
+ ALOGW("%s: Falling back to GPU virtual display", __func__);
+ }
+
+ const auto id = mVirtualDisplayIdGenerators.gpu.generateId();
+ LOG_ALWAYS_FATAL_IF(!id, "Failed to generate ID for GPU virtual display");
+ return *id;
+}
+
+void SurfaceFlinger::releaseVirtualDisplay(VirtualDisplayId displayId) {
+ if (const auto id = HalVirtualDisplayId::tryCast(displayId)) {
+ if (auto& generator = mVirtualDisplayIdGenerators.hal) {
+ generator->releaseId(*id);
+ }
+ return;
+ }
+
+ const auto id = GpuVirtualDisplayId::tryCast(displayId);
+ LOG_ALWAYS_FATAL_IF(!id);
+ mVirtualDisplayIdGenerators.gpu.releaseId(*id);
+}
+
std::vector<PhysicalDisplayId> SurfaceFlinger::getPhysicalDisplayIds() const {
Mutex::Autolock lock(mStateLock);
@@ -734,6 +780,11 @@
mCompositionEngine->setHwComposer(getFactory().createHWComposer(mHwcServiceName));
mCompositionEngine->getHwComposer().setConfiguration(this, getBE().mComposerSequenceId);
ClientCache::getInstance().setRenderEngine(&getRenderEngine());
+
+ if (base::GetBoolProperty("debug.sf.enable_hwc_vds"s, false)) {
+ enableHalVirtualDisplays(true);
+ }
+
// Process any initial hotplug and resulting display changes.
processDisplayHotplugEventsLocked();
const auto display = getDefaultDisplayDeviceLocked();
@@ -2625,10 +2676,10 @@
ALOGE_IF(status != NO_ERROR, "Unable to query width (%d)", status);
status = state.surface->query(NATIVE_WINDOW_HEIGHT, &resolution.height);
ALOGE_IF(status != NO_ERROR, "Unable to query height (%d)", status);
- int intPixelFormat;
- status = state.surface->query(NATIVE_WINDOW_FORMAT, &intPixelFormat);
+ int format;
+ status = state.surface->query(NATIVE_WINDOW_FORMAT, &format);
ALOGE_IF(status != NO_ERROR, "Unable to query format (%d)", status);
- pixelFormat = static_cast<ui::PixelFormat>(intPixelFormat);
+ pixelFormat = static_cast<ui::PixelFormat>(format);
} else {
// Virtual displays without a surface are dormant:
// they have external state (layer stack, projection,
@@ -2638,17 +2689,18 @@
compositionengine::DisplayCreationArgsBuilder builder;
if (const auto& physical = state.physical) {
- builder.setPhysical({physical->id, physical->type});
+ builder.setId(physical->id);
+ builder.setConnectionType(physical->type);
+ } else {
+ builder.setId(acquireVirtualDisplay(resolution, pixelFormat, state.layerStack));
}
+
builder.setPixels(resolution);
- builder.setPixelFormat(pixelFormat);
builder.setIsSecure(state.isSecure);
builder.setLayerStackId(state.layerStack);
builder.setPowerAdvisor(&mPowerAdvisor);
- builder.setUseHwcVirtualDisplays(mUseHwcVirtualDisplays);
- builder.setGpuVirtualDisplayIdGenerator(mGpuVirtualDisplayIdGenerator);
builder.setName(state.displayName);
- const auto compositionDisplay = getCompositionEngine().createDisplay(builder.build());
+ auto compositionDisplay = getCompositionEngine().createDisplay(builder.build());
compositionDisplay->setLayerCachingEnabled(mLayerCachingEnabled);
sp<compositionengine::DisplaySurface> displaySurface;
@@ -2657,33 +2709,30 @@
sp<IGraphicBufferConsumer> bqConsumer;
getFactory().createBufferQueue(&bqProducer, &bqConsumer, /*consumerIsSurfaceFlinger =*/false);
- DisplayId displayId = compositionDisplay->getId();
-
if (state.isVirtual()) {
- const auto virtualId = VirtualDisplayId::tryCast(displayId);
- LOG_FATAL_IF(!virtualId);
- sp<VirtualDisplaySurface> vds =
- new VirtualDisplaySurface(getHwComposer(), *virtualId, state.surface, bqProducer,
- bqConsumer, state.displayName);
-
- displaySurface = vds;
- producer = vds;
+ const auto displayId = VirtualDisplayId::tryCast(compositionDisplay->getId());
+ LOG_FATAL_IF(!displayId);
+ auto surface = sp<VirtualDisplaySurface>::make(getHwComposer(), *displayId, state.surface,
+ bqProducer, bqConsumer, state.displayName);
+ displaySurface = surface;
+ producer = std::move(surface);
} else {
ALOGE_IF(state.surface != nullptr,
"adding a supported display, but rendering "
"surface is provided (%p), ignoring it",
state.surface.get());
- const auto physicalId = PhysicalDisplayId::tryCast(displayId);
- LOG_FATAL_IF(!physicalId);
- displaySurface = new FramebufferSurface(getHwComposer(), *physicalId, bqConsumer,
- state.physical->activeMode->getSize(),
- ui::Size(maxGraphicsWidth, maxGraphicsHeight));
+ const auto displayId = PhysicalDisplayId::tryCast(compositionDisplay->getId());
+ LOG_FATAL_IF(!displayId);
+ displaySurface =
+ sp<FramebufferSurface>::make(getHwComposer(), *displayId, bqConsumer,
+ state.physical->activeMode->getSize(),
+ ui::Size(maxGraphicsWidth, maxGraphicsHeight));
producer = bqProducer;
}
LOG_FATAL_IF(!displaySurface);
- const auto display = setupNewDisplayDeviceInternal(displayToken, compositionDisplay, state,
- displaySurface, producer);
+ const auto display = setupNewDisplayDeviceInternal(displayToken, std::move(compositionDisplay),
+ state, displaySurface, producer);
mDisplays.emplace(displayToken, display);
if (!state.isVirtual()) {
dispatchDisplayHotplugEvent(display->getPhysicalId(), true);
@@ -2699,7 +2748,10 @@
auto display = getDisplayDeviceLocked(displayToken);
if (display) {
display->disconnect();
- if (!display->isVirtual()) {
+
+ if (display->isVirtual()) {
+ releaseVirtualDisplay(display->getVirtualId());
+ } else {
dispatchDisplayHotplugEvent(display->getPhysicalId(), false);
}
}
@@ -2728,17 +2780,26 @@
const DisplayDeviceState& drawingState) {
const sp<IBinder> currentBinder = IInterface::asBinder(currentState.surface);
const sp<IBinder> drawingBinder = IInterface::asBinder(drawingState.surface);
+
+ // Recreate the DisplayDevice if the surface or sequence ID changed.
if (currentBinder != drawingBinder || currentState.sequenceId != drawingState.sequenceId) {
- // changing the surface is like destroying and recreating the DisplayDevice
getRenderEngine().cleanFramebufferCache();
+
if (const auto display = getDisplayDeviceLocked(displayToken)) {
display->disconnect();
+ if (display->isVirtual()) {
+ releaseVirtualDisplay(display->getVirtualId());
+ }
}
+
mDisplays.erase(displayToken);
+
if (const auto& physical = currentState.physical) {
getHwComposer().allocatePhysicalDisplay(physical->hwcDisplayId, physical->id);
}
+
processDisplayAdded(displayToken, currentState);
+
if (currentState.physical) {
const auto display = getDisplayDeviceLocked(displayToken);
setPowerModeInternal(display, hal::PowerMode::ON);
@@ -4605,7 +4666,8 @@
StringAppendF(&result, " PRESENT_TIME_OFFSET=%" PRId64, dispSyncPresentTimeOffset);
StringAppendF(&result, " FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
- StringAppendF(&result, " MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
+ StringAppendF(&result, " MAX_VIRT_DISPLAY_DIM=%zu",
+ getHwComposer().getMaxVirtualDisplayDimension());
StringAppendF(&result, " RUNNING_WITHOUT_SYNC_FRAMEWORK=%d", !hasSyncFramework);
StringAppendF(&result, " NUM_FRAMEBUFFER_SURFACE_BUFFERS=%" PRId64,
maxFrameBufferAcquiredBuffers);
@@ -5363,8 +5425,8 @@
return NO_ERROR;
}
case 1021: { // Disable HWC virtual displays
- n = data.readInt32();
- mUseHwcVirtualDisplays = !n;
+ const bool enable = data.readInt32() != 0;
+ static_cast<void>(schedule([this, enable] { enableHalVirtualDisplays(enable); }));
return NO_ERROR;
}
case 1022: { // Set saturation boost
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4aa047a..b46bd9a 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -228,10 +228,6 @@
// GL composition.
static bool useHwcForRgbToYuv;
- // Maximum dimension supported by HWC for virtual display.
- // Equal to min(max_height, max_width).
- static uint64_t maxVirtualDisplaySize;
-
// Controls the number of buffers SurfaceFlinger will allocate for use in
// FramebufferSurface
static int64_t maxFrameBufferAcquiredBuffers;
@@ -1084,6 +1080,14 @@
return hwcDisplayId ? getHwComposer().toPhysicalDisplayId(*hwcDisplayId) : std::nullopt;
}
+ // Toggles use of HAL/GPU virtual displays.
+ void enableHalVirtualDisplays(bool);
+
+ // Virtual display lifecycle for ID generation and HAL allocation.
+ VirtualDisplayId acquireVirtualDisplay(ui::Size, ui::PixelFormat, ui::LayerStack)
+ REQUIRES(mStateLock);
+ void releaseVirtualDisplay(VirtualDisplayId);
+
/*
* Debugging & dumpsys
*/
@@ -1236,7 +1240,10 @@
std::unordered_map<PhysicalDisplayId, sp<IBinder>> mPhysicalDisplayTokens
GUARDED_BY(mStateLock);
- RandomDisplayIdGenerator<GpuVirtualDisplayId> mGpuVirtualDisplayIdGenerator;
+ struct {
+ DisplayIdGenerator<GpuVirtualDisplayId> gpu;
+ std::optional<DisplayIdGenerator<HalVirtualDisplayId>> hal;
+ } mVirtualDisplayIdGenerators;
std::unordered_map<BBinder*, wp<Layer>> mLayersByLocalBinderToken GUARDED_BY(mStateLock);
@@ -1259,7 +1266,7 @@
const std::shared_ptr<TimeStats> mTimeStats;
const std::unique_ptr<FrameTracer> mFrameTracer;
const std::unique_ptr<frametimeline::FrameTimeline> mFrameTimeline;
- bool mUseHwcVirtualDisplays = false;
+
// If blurs should be enabled on this device.
bool mSupportsBlur = false;
// Disable blurs, for debugging
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index e42cf47..fca3bfc 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -105,7 +105,9 @@
mFlinger.setupRenderEngine(std::unique_ptr<renderengine::RenderEngine>(mRenderEngine));
mFlinger.setupTimeStats(std::shared_ptr<TimeStats>(mTimeStats));
- setupComposer(0);
+
+ mComposer = new Hwc2::mock::Composer();
+ mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
}
~CompositionTest() {
@@ -114,14 +116,6 @@
ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
}
- void setupComposer(int virtualDisplayCount) {
- mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
- mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
-
- Mock::VerifyAndClear(mComposer);
- }
-
void setupScheduler() {
auto eventThread = std::make_unique<mock::EventThread>();
auto sfEventThread = std::make_unique<mock::EventThread>();
@@ -289,16 +283,16 @@
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
- auto ceDisplayArgs =
- compositionengine::DisplayCreationArgsBuilder()
- .setPhysical({DEFAULT_DISPLAY_ID, ui::DisplayConnectionType::Internal})
- .setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
- .setIsSecure(Derived::IS_SECURE)
- .setLayerStackId(DEFAULT_LAYER_STACK)
- .setPowerAdvisor(&test->mPowerAdvisor)
- .setName(std::string("Injected display for ") +
- test_info->test_case_name() + "." + test_info->name())
- .build();
+ auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
+ .setId(DEFAULT_DISPLAY_ID)
+ .setConnectionType(ui::DisplayConnectionType::Internal)
+ .setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
+ .setIsSecure(Derived::IS_SECURE)
+ .setLayerStackId(DEFAULT_LAYER_STACK)
+ .setPowerAdvisor(&test->mPowerAdvisor)
+ .setName(std::string("Injected display for ") +
+ test_info->test_case_name() + "." + test_info->name())
+ .build();
auto compositionDisplay =
compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
diff --git a/services/surfaceflinger/tests/unittests/DisplayIdGeneratorTest.cpp b/services/surfaceflinger/tests/unittests/DisplayIdGeneratorTest.cpp
index 77a3e14..8d4a023 100644
--- a/services/surfaceflinger/tests/unittests/DisplayIdGeneratorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayIdGeneratorTest.cpp
@@ -14,76 +14,68 @@
* limitations under the License.
*/
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wextra"
-
#include <gtest/gtest.h>
+#include <ui/DisplayId.h>
+#include <algorithm>
+#include <iterator>
#include <vector>
-#include <ui/DisplayId.h>
#include "DisplayIdGenerator.h"
namespace android {
-template <typename T>
-void testNextId(DisplayIdGenerator<T>& generator) {
- constexpr int kNumIds = 5;
- std::vector<T> ids;
- for (int i = 0; i < kNumIds; i++) {
- const auto id = generator.nextId();
- ASSERT_TRUE(id);
- ids.push_back(*id);
- }
+template <typename Id>
+void testGenerateId() {
+ DisplayIdGenerator<Id> generator;
+
+ std::vector<std::optional<Id>> ids;
+ std::generate_n(std::back_inserter(ids), 10, [&] { return generator.generateId(); });
// All IDs should be different.
- for (size_t i = 0; i < kNumIds; i++) {
- for (size_t j = i + 1; j < kNumIds; j++) {
- EXPECT_NE(ids[i], ids[j]);
+ for (auto it = ids.begin(); it != ids.end(); ++it) {
+ EXPECT_TRUE(*it);
+
+ for (auto dup = it + 1; dup != ids.end(); ++dup) {
+ EXPECT_NE(*it, *dup);
}
}
}
-TEST(DisplayIdGeneratorTest, nextIdGpuVirtual) {
- RandomDisplayIdGenerator<GpuVirtualDisplayId> generator;
- testNextId(generator);
+TEST(DisplayIdGeneratorTest, generateGpuVirtualDisplayId) {
+ testGenerateId<GpuVirtualDisplayId>();
}
-TEST(DisplayIdGeneratorTest, nextIdHalVirtual) {
- RandomDisplayIdGenerator<HalVirtualDisplayId> generator;
- testNextId(generator);
+TEST(DisplayIdGeneratorTest, generateHalVirtualDisplayId) {
+ testGenerateId<HalVirtualDisplayId>();
}
-TEST(DisplayIdGeneratorTest, markUnused) {
+TEST(DisplayIdGeneratorTest, releaseId) {
constexpr size_t kMaxIdsCount = 5;
- RandomDisplayIdGenerator<GpuVirtualDisplayId> generator(kMaxIdsCount);
+ DisplayIdGenerator<GpuVirtualDisplayId> generator(kMaxIdsCount);
- const auto id = generator.nextId();
+ const auto id = generator.generateId();
EXPECT_TRUE(id);
- for (int i = 1; i < kMaxIdsCount; i++) {
- EXPECT_TRUE(generator.nextId());
+ for (size_t i = 1; i < kMaxIdsCount; i++) {
+ EXPECT_TRUE(generator.generateId());
}
- EXPECT_FALSE(generator.nextId());
+ EXPECT_FALSE(generator.generateId());
- generator.markUnused(*id);
- EXPECT_TRUE(generator.nextId());
+ generator.releaseId(*id);
+ EXPECT_TRUE(generator.generateId());
}
TEST(DisplayIdGeneratorTest, maxIdsCount) {
constexpr size_t kMaxIdsCount = 5;
- RandomDisplayIdGenerator<GpuVirtualDisplayId> generator(kMaxIdsCount);
+ DisplayIdGenerator<GpuVirtualDisplayId> generator(kMaxIdsCount);
- for (int i = 0; i < kMaxIdsCount; i++) {
- EXPECT_TRUE(generator.nextId());
+ for (size_t i = 0; i < kMaxIdsCount; i++) {
+ EXPECT_TRUE(generator.generateId());
}
- EXPECT_FALSE(generator.nextId());
+ EXPECT_FALSE(generator.generateId());
}
} // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wextra"
\ No newline at end of file
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 359e555..60b0f53 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -41,9 +41,6 @@
mFlinger.mutableUseColorManagement() = false;
mFlinger.mutableDisplayColorSetting() = DisplayColorSetting::kUnmanaged;
- // Default to using HWC virtual displays
- mFlinger.mutableUseHwcVirtualDisplays() = true;
-
mFlinger.setCreateBufferQueueFunction([](auto, auto, auto) {
ADD_FAILURE() << "Unexpected request to create a buffer queue.";
});
@@ -85,10 +82,17 @@
}
void DisplayTransactionTest::injectMockComposer(int virtualDisplayCount) {
+ if (mComposer) {
+ // If reinjecting, disable first to prevent the enable below from being a no-op.
+ mFlinger.enableHalVirtualDisplays(false);
+ }
+
mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
+ EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
+ mFlinger.enableHalVirtualDisplays(true);
+
Mock::VerifyAndClear(mComposer);
}
@@ -135,18 +139,21 @@
EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_SET_USAGE64));
EXPECT_CALL(*mNativeWindow, perform(NATIVE_WINDOW_API_DISCONNECT)).Times(AnyNumber());
- auto compositionDisplay = compositionengine::impl::
- createDisplay(mFlinger.getCompositionEngine(),
- compositionengine::DisplayCreationArgsBuilder()
- .setPhysical(
- {DEFAULT_DISPLAY_ID, ui::DisplayConnectionType::Internal})
- .setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
- .setPowerAdvisor(&mPowerAdvisor)
- .build());
+ constexpr auto kConnectionType = ui::DisplayConnectionType::Internal;
+ constexpr bool kIsPrimary = true;
- auto injector = FakeDisplayDeviceInjector(mFlinger, compositionDisplay,
- ui::DisplayConnectionType::Internal,
- DEFAULT_DISPLAY_HWC_DISPLAY_ID, true /* isPrimary */);
+ auto compositionDisplay =
+ compositionengine::impl::createDisplay(mFlinger.getCompositionEngine(),
+ compositionengine::DisplayCreationArgsBuilder()
+ .setId(DEFAULT_DISPLAY_ID)
+ .setConnectionType(kConnectionType)
+ .setPixels({DEFAULT_DISPLAY_WIDTH,
+ DEFAULT_DISPLAY_HEIGHT})
+ .setPowerAdvisor(&mPowerAdvisor)
+ .build());
+
+ auto injector = FakeDisplayDeviceInjector(mFlinger, compositionDisplay, kConnectionType,
+ DEFAULT_DISPLAY_HWC_DISPLAY_ID, kIsPrimary);
injector.setNativeWindow(mNativeWindow);
if (injectExtra) {
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h b/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
index d68fff6..6ce281d 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTestHelpers.h
@@ -263,40 +263,23 @@
static auto makeFakeExistingDisplayInjector(DisplayTransactionTest* test) {
auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder();
- if (auto displayId = PhysicalDisplayId::tryCast(DISPLAY_ID::get())) {
- ceDisplayArgs.setPhysical({*displayId, ui::DisplayConnectionType::Internal});
- } else {
- // We turn off the use of HwcVirtualDisplays, to prevent Composition Engine
- // from calling into HWComposer. This way all virtual displays will get
- // a GpuVirtualDisplayId, even if we are in the HwcVirtualDisplayVariant.
- // In this case we later override it by calling display.setDisplayIdForTesting().
- ceDisplayArgs.setUseHwcVirtualDisplays(false);
+ ceDisplayArgs.setId(DISPLAY_ID::get())
+ .setPixels({WIDTH, HEIGHT})
+ .setPowerAdvisor(&test->mPowerAdvisor);
- GpuVirtualDisplayId desiredDisplayId = GpuVirtualDisplayId::tryCast(DISPLAY_ID::get())
- .value_or(GpuVirtualDisplayId(0));
-
- ON_CALL(test->mFlinger.gpuVirtualDisplayIdGenerator(), nextId())
- .WillByDefault(Return(desiredDisplayId));
-
- auto& generator = test->mFlinger.gpuVirtualDisplayIdGenerator();
- ceDisplayArgs.setGpuVirtualDisplayIdGenerator(generator);
+ const auto connectionType = CONNECTION_TYPE::value;
+ if (connectionType) {
+ ceDisplayArgs.setConnectionType(*connectionType);
}
- ceDisplayArgs.setPixels({WIDTH, HEIGHT}).setPowerAdvisor(&test->mPowerAdvisor);
auto compositionDisplay =
compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
ceDisplayArgs.build());
- if (HalVirtualDisplayId::tryCast(DISPLAY_ID::get())) {
- // CompositionEngine has assigned a placeholder GpuVirtualDisplayId and we need to
- // override it with the correct HalVirtualDisplayId.
- compositionDisplay->setDisplayIdForTesting(DISPLAY_ID::get());
- }
-
auto injector =
TestableSurfaceFlinger::FakeDisplayDeviceInjector(test->mFlinger,
compositionDisplay,
- CONNECTION_TYPE::value,
+ connectionType,
HWC_DISPLAY_ID_OPT::value,
static_cast<bool>(PRIMARY));
@@ -404,8 +387,8 @@
::testing::UnitTest::GetInstance()->current_test_info();
auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
- .setPhysical({DisplayVariant::DISPLAY_ID::get(),
- PhysicalDisplay::CONNECTION_TYPE})
+ .setId(DisplayVariant::DISPLAY_ID::get())
+ .setConnectionType(PhysicalDisplay::CONNECTION_TYPE)
.setPixels({DisplayVariant::WIDTH, DisplayVariant::HEIGHT})
.setIsSecure(static_cast<bool>(DisplayVariant::SECURE))
.setPowerAdvisor(&test->mPowerAdvisor)
@@ -558,17 +541,13 @@
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
- ON_CALL(test->mFlinger.gpuVirtualDisplayIdGenerator(), nextId())
- .WillByDefault(Return(Base::DISPLAY_ID::get()));
-
auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
+ .setId(Base::DISPLAY_ID::get())
.setPixels({Base::WIDTH, Base::HEIGHT})
.setIsSecure(static_cast<bool>(Base::SECURE))
.setPowerAdvisor(&test->mPowerAdvisor)
.setName(std::string("Injected display for ") +
test_info->test_case_name() + "." + test_info->name())
- .setGpuVirtualDisplayIdGenerator(
- test->mFlinger.gpuVirtualDisplayIdGenerator())
.build();
return compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
@@ -610,35 +589,22 @@
const ::testing::TestInfo* const test_info =
::testing::UnitTest::GetInstance()->current_test_info();
- // In order to prevent compostition engine calling into HWComposer, we
- // 1. turn off the use of HWC virtual displays,
- // 2. provide a GpuVirtualDisplayIdGenerator which always returns some fake ID
- // 3. override the ID by calling setDisplayIdForTesting()
-
- ON_CALL(test->mFlinger.gpuVirtualDisplayIdGenerator(), nextId())
- .WillByDefault(Return(GpuVirtualDisplayId(0)));
-
+ const auto displayId = Base::DISPLAY_ID::get();
auto ceDisplayArgs = compositionengine::DisplayCreationArgsBuilder()
- .setUseHwcVirtualDisplays(false)
+ .setId(displayId)
.setPixels({Base::WIDTH, Base::HEIGHT})
.setIsSecure(static_cast<bool>(Base::SECURE))
.setPowerAdvisor(&test->mPowerAdvisor)
.setName(std::string("Injected display for ") +
test_info->test_case_name() + "." + test_info->name())
- .setGpuVirtualDisplayIdGenerator(
- test->mFlinger.gpuVirtualDisplayIdGenerator())
.build();
auto compositionDisplay =
compositionengine::impl::createDisplay(test->mFlinger.getCompositionEngine(),
ceDisplayArgs);
- compositionDisplay->setDisplayIdForTesting(Base::DISPLAY_ID::get());
// Insert display data so that the HWC thinks it created the virtual display.
- if (const auto displayId = Base::DISPLAY_ID::get();
- HalVirtualDisplayId::tryCast(displayId)) {
- test->mFlinger.mutableHwcDisplayData().try_emplace(displayId);
- }
+ test->mFlinger.mutableHwcDisplayData().try_emplace(displayId);
return compositionDisplay;
}
@@ -649,8 +615,8 @@
}
static void setupHwcVirtualDisplayCreationCallExpectations(DisplayTransactionTest* test) {
- EXPECT_CALL(*test->mComposer, createVirtualDisplay(Base::WIDTH, Base::HEIGHT, _, _))
- .WillOnce(DoAll(SetArgPointee<3>(Self::HWC_DISPLAY_ID), Return(Error::NONE)));
+ EXPECT_CALL(*test->mComposer, createVirtualDisplay(Base::WIDTH, Base::HEIGHT, _, _, _))
+ .WillOnce(DoAll(SetArgPointee<4>(Self::HWC_DISPLAY_ID), Return(Error::NONE)));
EXPECT_CALL(*test->mComposer, setClientTargetSlotCount(_)).WillOnce(Return(Error::NONE));
}
};
diff --git a/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp b/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
index dec0ff5..010c675 100644
--- a/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FpsReporterTest.cpp
@@ -76,11 +76,9 @@
static constexpr int32_t PRIORITY_UNSET = -1;
void setupScheduler();
- void setupComposer(uint32_t virtualDisplayCount);
sp<BufferStateLayer> createBufferStateLayer(LayerMetadata metadata);
TestableSurfaceFlinger mFlinger;
- Hwc2::mock::Composer* mComposer = nullptr;
mock::FrameTimeline mFrameTimeline =
mock::FrameTimeline(std::make_shared<impl::TimeStats>(), 0);
@@ -103,7 +101,8 @@
ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
setupScheduler();
- setupComposer(0);
+ mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
+
mFpsListener = new TestableFpsListener();
}
@@ -145,19 +144,11 @@
std::move(eventThread), std::move(sfEventThread));
}
-void FpsReporterTest::setupComposer(uint32_t virtualDisplayCount) {
- mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
- mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
-
- Mock::VerifyAndClear(mComposer);
-}
-
namespace {
TEST_F(FpsReporterTest, callsListeners) {
mParent = createBufferStateLayer();
- const constexpr int32_t kTaskId = 12;
+ constexpr int32_t kTaskId = 12;
LayerMetadata targetMetadata;
targetMetadata.setInt32(METADATA_TASK_ID, kTaskId);
mTarget = createBufferStateLayer(targetMetadata);
diff --git a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
index 6b82170..138d5cb 100644
--- a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
@@ -78,7 +78,6 @@
const std::string kMetadata2Name = "com.example.metadata.2";
constexpr bool kMetadata2Mandatory = true;
- EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
.WillOnce(DoAll(SetArgPointee<0>(std::vector<hal::LayerGenericMetadataKey>{
@@ -101,7 +100,6 @@
}
TEST_F(HWComposerSetConfigurationTest, handlesUnsupportedCallToGetLayerGenericMetadataKeys) {
- EXPECT_CALL(*mHal, getMaxVirtualDisplayCount()).WillOnce(Return(0));
EXPECT_CALL(*mHal, getCapabilities()).WillOnce(Return(std::vector<hal::Capability>{}));
EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
.WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
@@ -176,4 +174,4 @@
}
} // namespace
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
index 9c6ad06..fd3e564 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
@@ -60,7 +60,6 @@
static constexpr int32_t PRIORITY_UNSET = -1;
void setupScheduler();
- void setupComposer(uint32_t virtualDisplayCount);
sp<BufferQueueLayer> createBufferQueueLayer();
sp<BufferStateLayer> createBufferStateLayer();
sp<EffectLayer> createEffectLayer();
@@ -69,7 +68,6 @@
void commitTransaction(Layer* layer);
TestableSurfaceFlinger mFlinger;
- Hwc2::mock::Composer* mComposer = nullptr;
sp<Client> mClient;
sp<Layer> mParent;
@@ -83,7 +81,7 @@
ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
setupScheduler();
- setupComposer(0);
+ mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
}
RefreshRateSelectionTest::~RefreshRateSelectionTest() {
@@ -147,14 +145,6 @@
std::move(eventThread), std::move(sfEventThread));
}
-void RefreshRateSelectionTest::setupComposer(uint32_t virtualDisplayCount) {
- mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
- mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
-
- Mock::VerifyAndClear(mComposer);
-}
-
namespace {
/* ------------------------------------------------------------------------
* Test cases
diff --git a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
index c088ddc..46ef750 100644
--- a/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SetFrameRateTest.cpp
@@ -118,14 +118,12 @@
SetFrameRateTest();
void setupScheduler();
- void setupComposer(uint32_t virtualDisplayCount);
void addChild(sp<Layer> layer, sp<Layer> child);
void removeChild(sp<Layer> layer, sp<Layer> child);
void commitTransaction();
TestableSurfaceFlinger mFlinger;
- Hwc2::mock::Composer* mComposer = nullptr;
mock::MessageQueue* mMessageQueue = new mock::MessageQueue();
std::vector<sp<Layer>> mLayers;
@@ -139,10 +137,11 @@
mFlinger.mutableUseFrameRateApi() = true;
setupScheduler();
- setupComposer(0);
+ mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
mFlinger.mutableEventQueue().reset(mMessageQueue);
}
+
void SetFrameRateTest::addChild(sp<Layer> layer, sp<Layer> child) {
layer.get()->addChild(child.get());
}
@@ -184,14 +183,6 @@
/*hasMultipleModes*/ true);
}
-void SetFrameRateTest::setupComposer(uint32_t virtualDisplayCount) {
- mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
- mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
-
- Mock::VerifyAndClear(mComposer);
-}
-
namespace {
/* ------------------------------------------------------------------------
* Test cases
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index d004b9d..f95b878 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -42,7 +42,6 @@
#include "SurfaceInterceptor.h"
#include "TestableScheduler.h"
#include "mock/DisplayHardware/MockComposer.h"
-#include "mock/MockDisplayIdGenerator.h"
#include "mock/MockFrameTimeline.h"
#include "mock/MockFrameTracer.h"
@@ -185,9 +184,6 @@
SurfaceFlinger* flinger() { return mFlinger.get(); }
TestableScheduler* scheduler() { return mScheduler; }
- mock::DisplayIdGenerator<GpuVirtualDisplayId>& gpuVirtualDisplayIdGenerator() {
- return mGpuVirtualDisplayIdGenerator;
- }
// Extend this as needed for accessing SurfaceFlinger private (and public)
// functions.
@@ -308,6 +304,8 @@
return mFlinger->destroyDisplay(displayToken);
}
+ void enableHalVirtualDisplays(bool enable) { mFlinger->enableHalVirtualDisplays(enable); }
+
auto setupNewDisplayDeviceInternal(
const wp<IBinder>& displayToken,
std::shared_ptr<compositionengine::Display> compositionDisplay,
@@ -436,7 +434,6 @@
auto& mutablePhysicalDisplayTokens() { return mFlinger->mPhysicalDisplayTokens; }
auto& mutableTexturePool() { return mFlinger->mTexturePool; }
auto& mutableTransactionFlags() { return mFlinger->mTransactionFlags; }
- auto& mutableUseHwcVirtualDisplays() { return mFlinger->mUseHwcVirtualDisplays; }
auto& mutablePowerAdvisor() { return mFlinger->mPowerAdvisor; }
auto& mutableDebugDisableHWC() { return mFlinger->mDebugDisableHWC; }
@@ -775,7 +772,6 @@
surfaceflinger::test::Factory mFactory;
sp<SurfaceFlinger> mFlinger = new SurfaceFlinger(mFactory, SurfaceFlinger::SkipInitialization);
TestableScheduler* mScheduler = nullptr;
- mock::DisplayIdGenerator<GpuVirtualDisplayId> mGpuVirtualDisplayIdGenerator;
};
} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp b/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
index 25001d3..546bc4a 100644
--- a/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionFrameTracerTest.cpp
@@ -45,7 +45,7 @@
::testing::UnitTest::GetInstance()->current_test_info();
ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
setupScheduler();
- setupComposer(0);
+ mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
}
~TransactionFrameTracerTest() {
@@ -91,17 +91,9 @@
std::move(eventThread), std::move(sfEventThread));
}
- void setupComposer(uint32_t virtualDisplayCount) {
- mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
- mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
-
- Mock::VerifyAndClear(mComposer);
- }
-
TestableSurfaceFlinger mFlinger;
- Hwc2::mock::Composer* mComposer = nullptr;
renderengine::mock::RenderEngine mRenderEngine;
+
FenceToFenceTimeMap fenceFactory;
client_cache_t mClientCache;
diff --git a/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp b/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
index b7917aa..c1123cd 100644
--- a/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
+++ b/services/surfaceflinger/tests/unittests/TransactionSurfaceFrameTest.cpp
@@ -45,7 +45,7 @@
::testing::UnitTest::GetInstance()->current_test_info();
ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
setupScheduler();
- setupComposer(0);
+ mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
}
~TransactionSurfaceFrameTest() {
@@ -91,17 +91,9 @@
std::move(eventThread), std::move(sfEventThread));
}
- void setupComposer(uint32_t virtualDisplayCount) {
- mComposer = new Hwc2::mock::Composer();
- EXPECT_CALL(*mComposer, getMaxVirtualDisplayCount()).WillOnce(Return(virtualDisplayCount));
- mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
-
- Mock::VerifyAndClear(mComposer);
- }
-
TestableSurfaceFlinger mFlinger;
- Hwc2::mock::Composer* mComposer = nullptr;
renderengine::mock::RenderEngine mRenderEngine;
+
FenceToFenceTimeMap fenceFactory;
client_cache_t mClientCache;
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
index 1ba3c0f..cb3bd73 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
@@ -54,7 +54,8 @@
MOCK_METHOD0(resetCommands, void());
MOCK_METHOD0(executeCommands, Error());
MOCK_METHOD0(getMaxVirtualDisplayCount, uint32_t());
- MOCK_METHOD4(createVirtualDisplay, Error(uint32_t, uint32_t, PixelFormat*, Display*));
+ MOCK_METHOD5(createVirtualDisplay,
+ Error(uint32_t, uint32_t, PixelFormat*, std::optional<Display>, Display*));
MOCK_METHOD1(destroyVirtualDisplay, Error(Display));
MOCK_METHOD1(acceptDisplayChanges, Error(Display));
MOCK_METHOD2(createLayer, Error(Display, Layer* outLayer));
diff --git a/services/surfaceflinger/tests/unittests/mock/MockDisplayIdGenerator.h b/services/surfaceflinger/tests/unittests/mock/MockDisplayIdGenerator.h
deleted file mode 100644
index cfc37ea..0000000
--- a/services/surfaceflinger/tests/unittests/mock/MockDisplayIdGenerator.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <gmock/gmock.h>
-
-#include "DisplayIdGenerator.h"
-
-namespace android::mock {
-
-template <typename T>
-class DisplayIdGenerator : public android::DisplayIdGenerator<T> {
-public:
- // Explicit default instantiation is recommended.
- DisplayIdGenerator() = default;
- virtual ~DisplayIdGenerator() = default;
-
- MOCK_METHOD0(nextId, std::optional<T>());
- MOCK_METHOD1(markUnused, void(T));
-};
-
-} // namespace android::mock