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Add 90% downscale factors.

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Add 90% downscale factors and revise other downscale factors to align
with performance analysis.

Minor: Make variables public to allow toggles.

Bug: b/182811243
Test: adb shell am compat enable DOWNSCALED <PACKAGE_NAME> &&
      adb shell am compat enable DOWNSCALE_90 <PACKAGE_NAME>
Change-Id: Ie8ed87b5f8ac1ec25545ff0e75fa1aa5fd48e456
This commit is contained in:
Peiyong Lin
2021-03-15 18:26:07 +00:00
parent be03858fa6
commit 4899e3ceec
1 changed files with 41 additions and 23 deletions
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64
services/core/java/com/android/server/wm/CompatModePackages.java
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@@ -74,45 +74,59 @@ public final class CompatModePackages {
/**
* CompatModePackages#DOWNSCALED is the gatekeeper of all per-app buffer downscaling
* changes. Disabling this change will prevent the following scaling factors from working:
* CompatModePackages#DOWNSCALE_87_5
* CompatModePackages#DOWNSCALE_75
* CompatModePackages#DOWNSCALE_62_5
* CompatModePackages#DOWNSCALE_90
* CompatModePackages#DOWNSCALE_80
* CompatModePackages#DOWNSCALE_70
* CompatModePackages#DOWNSCALE_60
* CompatModePackages#DOWNSCALE_50
*
* If CompatModePackages#DOWNSCALED is enabled for an app package, then the app will be forcibly
* resized to the highest enabled scaling factor e.g. 87.5% if both 87.5% and 75% were
* enabled.
* resized to the highest enabled scaling factor e.g. 80% if both 80% and 70% were enabled.
*/
@ChangeId
@Disabled
private static final long DOWNSCALED = 168419799L;
@Overridable
public static final long DOWNSCALED = 168419799L;
/**
* With CompatModePackages#DOWNSCALED enabled, subsequently enabling change-id
* CompatModePackages#DOWNSCALE_87_5 for a package will force the app to assume it's
* running on a display with 87.5% the vertical and horizontal resolution of the real display.
* CompatModePackages#DOWNSCALE_90 for a package will force the app to assume it's
* running on a display with 90% the vertical and horizontal resolution of the real display.
*/
@ChangeId
@Disabled
private static final long DOWNSCALE_87_5 = 176926753L;
@Overridable
public static final long DOWNSCALE_90 = 182811243L;
/**
* With CompatModePackages#DOWNSCALED enabled, subsequently enabling change-id
* CompatModePackages#DOWNSCALE_75 for a package will force the app to assume it's
* running on a display with 75% the vertical and horizontal resolution of the real display.
* CompatModePackages#DOWNSCALE_80 for a package will force the app to assume it's
* running on a display with 80% the vertical and horizontal resolution of the real display.
*/
@ChangeId
@Disabled
private static final long DOWNSCALE_75 = 176926829L;
@Overridable
public static final long DOWNSCALE_80 = 176926753L;
/**
* With CompatModePackages#DOWNSCALED enabled, subsequently enabling change-id
* CompatModePackages#DOWNSCALE_62_5 for a package will force the app to assume it's
* running on a display with 62.5% the vertical and horizontal resolution of the real display.
* CompatModePackages#DOWNSCALE_70 for a package will force the app to assume it's
* running on a display with 70% the vertical and horizontal resolution of the real display.
*/
@ChangeId
@Disabled
private static final long DOWNSCALE_62_5 = 176926771L;
@Overridable
public static final long DOWNSCALE_70 = 176926829L;
/**
* With CompatModePackages#DOWNSCALED enabled, subsequently enabling change-id
* CompatModePackages#DOWNSCALE_60 for a package will force the app to assume it's
* running on a display with 60% the vertical and horizontal resolution of the real display.
*/
@ChangeId
@Disabled
@Overridable
public static final long DOWNSCALE_60 = 176926771L;
/**
* With CompatModePackages#DOWNSCALED enabled, subsequently enabling change-id
@@ -121,7 +135,8 @@ public final class CompatModePackages {
*/
@ChangeId
@Disabled
private static final long DOWNSCALE_50 = 176926741L;
@Overridable
public static final long DOWNSCALE_50 = 176926741L;
/**
* On Android TV applications that target pre-S are not expecting to receive a Window larger
@@ -273,17 +288,20 @@ public final class CompatModePackages {
float getCompatScale(String packageName, int uid) {
final UserHandle userHandle = UserHandle.getUserHandleForUid(uid);
if (CompatChanges.isChangeEnabled(DOWNSCALED, packageName, userHandle)) {
if (CompatChanges.isChangeEnabled(DOWNSCALE_87_5, packageName, userHandle)) {
return 8f / 7f; // 1.14285714286
if (CompatChanges.isChangeEnabled(DOWNSCALE_90, packageName, userHandle)) {
return 1f / 0.9f;
}
if (CompatChanges.isChangeEnabled(DOWNSCALE_75, packageName, userHandle)) {
return 4f / 3f; // 1.333333333
if (CompatChanges.isChangeEnabled(DOWNSCALE_80, packageName, userHandle)) {
return 1f / 0.8f;
}
if (CompatChanges.isChangeEnabled(DOWNSCALE_62_5, packageName, userHandle)) {
return /* 1 / 0.625 */ 1.6f;
if (CompatChanges.isChangeEnabled(DOWNSCALE_70, packageName, userHandle)) {
return 1f / 0.7f;
}
if (CompatChanges.isChangeEnabled(DOWNSCALE_60, packageName, userHandle)) {
return 1f / 0.6f;
}
if (CompatChanges.isChangeEnabled(DOWNSCALE_50, packageName, userHandle)) {
return /* 1 / 0.5 */ 2f;
return 1f / 0.5f;
}
}