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-rw-r--r--services/surfaceflinger/DisplayHardware/HWC2.h213
1 files changed, 158 insertions, 55 deletions
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index 871465d717..6819ff43d2 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -14,14 +14,14 @@
* limitations under the License.
*/
-#pragma once
+#ifndef ANDROID_SF_HWC2_H
+#define ANDROID_SF_HWC2_H
-#include <android-base/expected.h>
#include <gui/HdrMetadata.h>
#include <math/mat4.h>
+#include <ui/DisplayInfo.h>
#include <ui/HdrCapabilities.h>
#include <ui/Region.h>
-#include <ui/StaticDisplayInfo.h>
#include <utils/Log.h>
#include <utils/StrongPointer.h>
#include <utils/Timers.h>
@@ -36,16 +36,15 @@
#include "Hal.h"
namespace android {
+ struct DisplayedFrameStats;
+ class Fence;
+ class FloatRect;
+ class GraphicBuffer;
+ namespace Hwc2 {
+ class Composer;
+ }
-class Fence;
-class FloatRect;
-class GraphicBuffer;
-class TestableSurfaceFlinger;
-struct DisplayedFrameStats;
-
-namespace Hwc2 {
-class Composer;
-} // namespace Hwc2
+ class TestableSurfaceFlinger;
namespace HWC2 {
@@ -56,19 +55,25 @@ namespace hal = android::hardware::graphics::composer::hal;
// Implement this interface to receive hardware composer events.
//
// These callback functions will generally be called on a hwbinder thread, but
-// when first registering the callback the onComposerHalHotplug() function will
+// when first registering the callback the onHotplugReceived() function will
// immediately be called on the thread calling registerCallback().
-struct ComposerCallback {
- virtual void onComposerHalHotplug(hal::HWDisplayId, hal::Connection) = 0;
- virtual void onComposerHalRefresh(hal::HWDisplayId) = 0;
- virtual void onComposerHalVsync(hal::HWDisplayId, int64_t timestamp,
- std::optional<hal::VsyncPeriodNanos>) = 0;
- virtual void onComposerHalVsyncPeriodTimingChanged(hal::HWDisplayId,
- const hal::VsyncPeriodChangeTimeline&) = 0;
- virtual void onComposerHalSeamlessPossible(hal::HWDisplayId) = 0;
-
-protected:
- ~ComposerCallback() = default;
+//
+// All calls receive a sequenceId, which will be the value that was supplied to
+// HWC2::Device::registerCallback(). It's used to help differentiate callbacks
+// from different hardware composer instances.
+class ComposerCallback {
+ public:
+ virtual void onHotplugReceived(int32_t sequenceId, hal::HWDisplayId display,
+ hal::Connection connection) = 0;
+ virtual void onRefreshReceived(int32_t sequenceId, hal::HWDisplayId display) = 0;
+ virtual void onVsyncReceived(int32_t sequenceId, hal::HWDisplayId display, int64_t timestamp,
+ std::optional<hal::VsyncPeriodNanos> vsyncPeriod) = 0;
+ virtual void onVsyncPeriodTimingChangedReceived(
+ int32_t sequenceId, hal::HWDisplayId display,
+ const hal::VsyncPeriodChangeTimeline& updatedTimeline) = 0;
+ virtual void onSeamlessPossible(int32_t sequenceId, hal::HWDisplayId display) = 0;
+
+ virtual ~ComposerCallback() = default;
};
// Convenience C++ class to access per display functions directly.
@@ -76,16 +81,92 @@ class Display {
public:
virtual ~Display();
+ class Config {
+ public:
+ class Builder
+ {
+ public:
+ Builder(Display& display, hal::HWConfigId id);
+
+ std::shared_ptr<const Config> build() {
+ return std::const_pointer_cast<const Config>(
+ std::move(mConfig));
+ }
+
+ Builder& setWidth(int32_t width) {
+ mConfig->mWidth = width;
+ return *this;
+ }
+ Builder& setHeight(int32_t height) {
+ mConfig->mHeight = height;
+ return *this;
+ }
+ Builder& setVsyncPeriod(int32_t vsyncPeriod) {
+ mConfig->mVsyncPeriod = vsyncPeriod;
+ return *this;
+ }
+ Builder& setDpiX(int32_t dpiX) {
+ if (dpiX == -1) {
+ mConfig->mDpiX = getDefaultDensity();
+ } else {
+ mConfig->mDpiX = dpiX / 1000.0f;
+ }
+ return *this;
+ }
+ Builder& setDpiY(int32_t dpiY) {
+ if (dpiY == -1) {
+ mConfig->mDpiY = getDefaultDensity();
+ } else {
+ mConfig->mDpiY = dpiY / 1000.0f;
+ }
+ return *this;
+ }
+ Builder& setConfigGroup(int32_t configGroup) {
+ mConfig->mConfigGroup = configGroup;
+ return *this;
+ }
+
+ private:
+ float getDefaultDensity();
+ std::shared_ptr<Config> mConfig;
+ };
+
+ hal::HWDisplayId getDisplayId() const { return mDisplay.getId(); }
+ hal::HWConfigId getId() const { return mId; }
+
+ int32_t getWidth() const { return mWidth; }
+ int32_t getHeight() const { return mHeight; }
+ nsecs_t getVsyncPeriod() const { return mVsyncPeriod; }
+ float getDpiX() const { return mDpiX; }
+ float getDpiY() const { return mDpiY; }
+ int32_t getConfigGroup() const { return mConfigGroup; }
+
+ private:
+ Config(Display& display, hal::HWConfigId id);
+
+ Display& mDisplay;
+ hal::HWConfigId mId;
+
+ int32_t mWidth;
+ int32_t mHeight;
+ nsecs_t mVsyncPeriod;
+ float mDpiX;
+ float mDpiY;
+ int32_t mConfigGroup;
+ };
+
virtual hal::HWDisplayId getId() const = 0;
virtual bool isConnected() const = 0;
virtual void setConnected(bool connected) = 0; // For use by Device only
virtual const std::unordered_set<hal::DisplayCapability>& getCapabilities() const = 0;
virtual bool isVsyncPeriodSwitchSupported() const = 0;
- virtual void onLayerDestroyed(hal::HWLayerId layerId) = 0;
[[clang::warn_unused_result]] virtual hal::Error acceptChanges() = 0;
- [[clang::warn_unused_result]] virtual base::expected<std::shared_ptr<HWC2::Layer>, hal::Error>
- createLayer() = 0;
+ [[clang::warn_unused_result]] virtual hal::Error createLayer(Layer** outLayer) = 0;
+ [[clang::warn_unused_result]] virtual hal::Error destroyLayer(Layer* layer) = 0;
+ [[clang::warn_unused_result]] virtual hal::Error getActiveConfig(
+ std::shared_ptr<const Config>* outConfig) const = 0;
+ [[clang::warn_unused_result]] virtual hal::Error getActiveConfigIndex(int* outIndex) const = 0;
[[clang::warn_unused_result]] virtual hal::Error getChangedCompositionTypes(
std::unordered_map<Layer*, hal::Composition>* outTypes) = 0;
[[clang::warn_unused_result]] virtual hal::Error getColorModes(
@@ -97,12 +178,16 @@ public:
[[clang::warn_unused_result]] virtual hal::Error getDataspaceSaturationMatrix(
hal::Dataspace dataspace, android::mat4* outMatrix) = 0;
+ // Doesn't call into the HWC2 device, so no errors are possible
+ [[clang::warn_unused_result]] virtual std::vector<std::shared_ptr<const Config>> getConfigs()
+ const = 0;
+
[[clang::warn_unused_result]] virtual hal::Error getName(std::string* outName) const = 0;
[[clang::warn_unused_result]] virtual hal::Error getRequests(
hal::DisplayRequest* outDisplayRequests,
std::unordered_map<Layer*, hal::LayerRequest>* outLayerRequests) = 0;
[[clang::warn_unused_result]] virtual hal::Error getConnectionType(
- ui::DisplayConnectionType*) const = 0;
+ android::DisplayConnectionType*) const = 0;
[[clang::warn_unused_result]] virtual hal::Error supportsDoze(bool* outSupport) const = 0;
[[clang::warn_unused_result]] virtual hal::Error getHdrCapabilities(
android::HdrCapabilities* outCapabilities) const = 0;
@@ -118,6 +203,8 @@ public:
std::unordered_map<Layer*, android::sp<android::Fence>>* outFences) const = 0;
[[clang::warn_unused_result]] virtual hal::Error present(
android::sp<android::Fence>* outPresentFence) = 0;
+ [[clang::warn_unused_result]] virtual hal::Error setActiveConfig(
+ const std::shared_ptr<const Config>& config) = 0;
[[clang::warn_unused_result]] virtual hal::Error setClientTarget(
uint32_t slot, const android::sp<android::GraphicBuffer>& target,
const android::sp<android::Fence>& acquireFence, hal::Dataspace dataspace) = 0;
@@ -137,8 +224,11 @@ public:
android::sp<android::Fence>* outPresentFence, uint32_t* state) = 0;
[[clang::warn_unused_result]] virtual std::future<hal::Error> setDisplayBrightness(
float brightness) = 0;
+ [[clang::warn_unused_result]] virtual hal::Error getDisplayVsyncPeriod(
+ nsecs_t* outVsyncPeriod) const = 0;
[[clang::warn_unused_result]] virtual hal::Error setActiveConfigWithConstraints(
- hal::HWConfigId configId, const hal::VsyncPeriodChangeConstraints& constraints,
+ const std::shared_ptr<const HWC2::Display::Config>& config,
+ const hal::VsyncPeriodChangeConstraints& constraints,
hal::VsyncPeriodChangeTimeline* outTimeline) = 0;
[[clang::warn_unused_result]] virtual hal::Error setAutoLowLatencyMode(bool on) = 0;
[[clang::warn_unused_result]] virtual hal::Error getSupportedContentTypes(
@@ -150,31 +240,37 @@ public:
namespace impl {
-class Layer;
-
class Display : public HWC2::Display {
public:
- Display(android::Hwc2::Composer&, const std::unordered_set<hal::Capability>&, hal::HWDisplayId,
- hal::DisplayType);
+ Display(android::Hwc2::Composer& composer,
+ const std::unordered_set<hal::Capability>& capabilities, hal::HWDisplayId id,
+ hal::DisplayType type);
~Display() override;
// Required by HWC2
hal::Error acceptChanges() override;
- base::expected<std::shared_ptr<HWC2::Layer>, hal::Error> createLayer() override;
+ hal::Error createLayer(Layer** outLayer) override;
+ hal::Error destroyLayer(Layer* layer) override;
+ hal::Error getActiveConfig(std::shared_ptr<const Config>* outConfig) const override;
+ hal::Error getActiveConfigIndex(int* outIndex) const override;
hal::Error getChangedCompositionTypes(
- std::unordered_map<HWC2::Layer*, hal::Composition>* outTypes) override;
+ std::unordered_map<Layer*, hal::Composition>* outTypes) override;
hal::Error getColorModes(std::vector<hal::ColorMode>* outModes) const override;
// Returns a bitmask which contains HdrMetadata::Type::*.
int32_t getSupportedPerFrameMetadata() const override;
hal::Error getRenderIntents(hal::ColorMode colorMode,
std::vector<hal::RenderIntent>* outRenderIntents) const override;
- hal::Error getDataspaceSaturationMatrix(hal::Dataspace, android::mat4* outMatrix) override;
+ hal::Error getDataspaceSaturationMatrix(hal::Dataspace dataspace,
+ android::mat4* outMatrix) override;
+
+ // Doesn't call into the HWC2 device, so no errors are possible
+ std::vector<std::shared_ptr<const Config>> getConfigs() const override;
hal::Error getName(std::string* outName) const override;
hal::Error getRequests(
hal::DisplayRequest* outDisplayRequests,
- std::unordered_map<HWC2::Layer*, hal::LayerRequest>* outLayerRequests) override;
- hal::Error getConnectionType(ui::DisplayConnectionType*) const override;
+ std::unordered_map<Layer*, hal::LayerRequest>* outLayerRequests) override;
+ hal::Error getConnectionType(android::DisplayConnectionType*) const override;
hal::Error supportsDoze(bool* outSupport) const override;
hal::Error getHdrCapabilities(android::HdrCapabilities* outCapabilities) const override;
hal::Error getDisplayedContentSamplingAttributes(hal::PixelFormat* outFormat,
@@ -184,26 +280,29 @@ public:
uint64_t maxFrames) const override;
hal::Error getDisplayedContentSample(uint64_t maxFrames, uint64_t timestamp,
android::DisplayedFrameStats* outStats) const override;
- hal::Error getReleaseFences(std::unordered_map<HWC2::Layer*, android::sp<android::Fence>>*
- outFences) const override;
+ hal::Error getReleaseFences(
+ std::unordered_map<Layer*, android::sp<android::Fence>>* outFences) const override;
hal::Error present(android::sp<android::Fence>* outPresentFence) override;
+ hal::Error setActiveConfig(const std::shared_ptr<const HWC2::Display::Config>& config) override;
hal::Error setClientTarget(uint32_t slot, const android::sp<android::GraphicBuffer>& target,
const android::sp<android::Fence>& acquireFence,
hal::Dataspace dataspace) override;
- hal::Error setColorMode(hal::ColorMode, hal::RenderIntent) override;
+ hal::Error setColorMode(hal::ColorMode mode, hal::RenderIntent renderIntent) override;
hal::Error setColorTransform(const android::mat4& matrix, hal::ColorTransform hint) override;
- hal::Error setOutputBuffer(const android::sp<android::GraphicBuffer>&,
+ hal::Error setOutputBuffer(const android::sp<android::GraphicBuffer>& buffer,
const android::sp<android::Fence>& releaseFence) override;
- hal::Error setPowerMode(hal::PowerMode) override;
+ hal::Error setPowerMode(hal::PowerMode mode) override;
hal::Error setVsyncEnabled(hal::Vsync enabled) override;
hal::Error validate(uint32_t* outNumTypes, uint32_t* outNumRequests) override;
hal::Error presentOrValidate(uint32_t* outNumTypes, uint32_t* outNumRequests,
android::sp<android::Fence>* outPresentFence,
uint32_t* state) override;
std::future<hal::Error> setDisplayBrightness(float brightness) override;
- hal::Error setActiveConfigWithConstraints(hal::HWConfigId configId,
- const hal::VsyncPeriodChangeConstraints& constraints,
- hal::VsyncPeriodChangeTimeline* outTimeline) override;
+ hal::Error getDisplayVsyncPeriod(nsecs_t* outVsyncPeriod) const override;
+ hal::Error setActiveConfigWithConstraints(
+ const std::shared_ptr<const HWC2::Display::Config>& config,
+ const hal::VsyncPeriodChangeConstraints& constraints,
+ hal::VsyncPeriodChangeTimeline* outTimeline) override;
hal::Error setAutoLowLatencyMode(bool on) override;
hal::Error getSupportedContentTypes(
std::vector<hal::ContentType>* outSupportedContentTypes) const override;
@@ -217,14 +316,16 @@ public:
const std::unordered_set<hal::DisplayCapability>& getCapabilities() const override {
return mDisplayCapabilities;
};
- bool isVsyncPeriodSwitchSupported() const override;
- void onLayerDestroyed(hal::HWLayerId layerId) override;
+ virtual bool isVsyncPeriodSwitchSupported() const override;
private:
+ int32_t getAttribute(hal::HWConfigId configId, hal::Attribute attribute);
+ void loadConfig(hal::HWConfigId configId);
+ void loadConfigs();
// This may fail (and return a null pointer) if no layer with this ID exists
// on this display
- std::shared_ptr<HWC2::Layer> getLayerById(hal::HWLayerId id) const;
+ Layer* getLayerById(hal::HWLayerId id) const;
friend android::TestableSurfaceFlinger;
@@ -240,8 +341,8 @@ private:
hal::DisplayType mType;
bool mIsConnected = false;
- using Layers = std::unordered_map<hal::HWLayerId, std::weak_ptr<HWC2::impl::Layer>>;
- Layers mLayers;
+ std::unordered_map<hal::HWLayerId, std::unique_ptr<Layer>> mLayers;
+ std::unordered_map<hal::HWConfigId, std::shared_ptr<const Config>> mConfigs;
std::once_flag mDisplayCapabilityQueryFlag;
std::unordered_set<hal::DisplayCapability> mDisplayCapabilities;
@@ -279,6 +380,7 @@ public:
[[clang::warn_unused_result]] virtual hal::Error setVisibleRegion(
const android::Region& region) = 0;
[[clang::warn_unused_result]] virtual hal::Error setZOrder(uint32_t z) = 0;
+ [[clang::warn_unused_result]] virtual hal::Error setInfo(uint32_t type, uint32_t appId) = 0;
// Composer HAL 2.3
[[clang::warn_unused_result]] virtual hal::Error setColorTransform(
@@ -296,12 +398,10 @@ namespace impl {
class Layer : public HWC2::Layer {
public:
Layer(android::Hwc2::Composer& composer,
- const std::unordered_set<hal::Capability>& capabilities, HWC2::Display& display,
+ const std::unordered_set<hal::Capability>& capabilities, hal::HWDisplayId displayId,
hal::HWLayerId layerId);
~Layer() override;
- void onOwningDisplayDestroyed();
-
hal::HWLayerId getId() const override { return mId; }
hal::Error setCursorPosition(int32_t x, int32_t y) override;
@@ -322,6 +422,7 @@ public:
hal::Error setTransform(hal::Transform transform) override;
hal::Error setVisibleRegion(const android::Region& region) override;
hal::Error setZOrder(uint32_t z) override;
+ hal::Error setInfo(uint32_t type, uint32_t appId) override;
// Composer HAL 2.3
hal::Error setColorTransform(const android::mat4& matrix) override;
@@ -337,7 +438,7 @@ private:
android::Hwc2::Composer& mComposer;
const std::unordered_set<hal::Capability>& mCapabilities;
- HWC2::Display* mDisplay;
+ hal::HWDisplayId mDisplayId;
hal::HWLayerId mId;
// Cached HWC2 data, to ensure the same commands aren't sent to the HWC
@@ -353,3 +454,5 @@ private:
} // namespace impl
} // namespace HWC2
} // namespace android
+
+#endif // ANDROID_SF_HWC2_H