commit 4e2b71fe7792843fc23e13d0201b59377888c3c5
author Dominik Laskowski <domlaskowski@google.com> Tue Nov 10 15:05:32 2020 -0800
committer Dominik Laskowski <domlaskowski@google.com> Mon Dec 07 17:09:12 2020 -0800
tree 1218637a7c5111ebc75764f9d21fce8e56fb28f6
parent e21dbed979755c48581ce2600bdc9ce4b3bdc9ba

FTL: Import std::future utilities from SF

Now including docs and expanded tests.

Bug: 160012986
Test: ftl_test
Change-Id: If9eb25646bb33ebc417ea87e6718b46fe0b87cf3

services/surfaceflinger/DisplayHardware/HWC2.cpp

diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index e6bff04..426092d 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -26,18 +26,17 @@
 
 #include "HWC2.h"
 
+#include <android/configuration.h>
+#include <ftl/future.h>
 #include <ui/Fence.h>
 #include <ui/FloatRect.h>
 #include <ui/GraphicBuffer.h>
 
-#include <android/configuration.h>
-
-#include <inttypes.h>
 #include <algorithm>
+#include <cinttypes>
 #include <iterator>
 #include <set>
 
-#include "../Promise.h"
 #include "ComposerHal.h"
 
 namespace android {
@@ -647,7 +646,7 @@
 }
 
 std::future<Error> Display::setDisplayBrightness(float brightness) {
-    return promise::defer([composer = &mComposer, id = mId, brightness] {
+    return ftl::defer([composer = &mComposer, id = mId, brightness] {
         const auto intError = composer->setDisplayBrightness(id, brightness);
         return static_cast<Error>(intError);
     });

services/surfaceflinger/DisplayHardware/HWComposer.cpp

diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 1548d18..5fa72b8 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -30,6 +30,7 @@
 #include <compositionengine/Output.h>
 #include <compositionengine/OutputLayer.h>
 #include <compositionengine/impl/OutputLayerCompositionState.h>
+#include <ftl/future.h>
 #include <log/log.h>
 #include <ui/DebugUtils.h>
 #include <ui/GraphicBuffer.h>
@@ -37,7 +38,6 @@
 #include <utils/Trace.h>
 
 #include "../Layer.h" // needed only for debugging
-#include "../Promise.h"
 #include "../SurfaceFlinger.h"
 #include "../SurfaceFlingerProperties.h"
 #include "ComposerHal.h"
@@ -792,10 +792,10 @@
 
 std::future<status_t> HWComposer::setDisplayBrightness(PhysicalDisplayId displayId,
                                                        float brightness) {
-    RETURN_IF_INVALID_DISPLAY(displayId, promise::yield<status_t>(BAD_INDEX));
+    RETURN_IF_INVALID_DISPLAY(displayId, ftl::yield<status_t>(BAD_INDEX));
     auto& display = mDisplayData[displayId].hwcDisplay;
 
-    return promise::chain(display->setDisplayBrightness(brightness))
+    return ftl::chain(display->setDisplayBrightness(brightness))
             .then([displayId](hal::Error error) -> status_t {
                 if (error == hal::Error::UNSUPPORTED) {
                     RETURN_IF_HWC_ERROR(error, displayId, INVALID_OPERATION);