| /* |
| * Copyright (C) 2022 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. |
| */ |
| |
| package android.app; |
| |
| import android.annotation.NonNull; |
| import android.annotation.SystemApi; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.view.Display; |
| |
| import androidx.annotation.FloatRange; |
| import androidx.annotation.IntRange; |
| |
| import com.android.internal.annotations.Immutable; |
| import com.android.internal.util.Preconditions; |
| |
| /** |
| * GameModeConfiguration is the game's platform configuration for a game mode. |
| * <p> |
| * Only the game modes that are enabled by OEMs will have an active configuration, whereas game |
| * modes opted in by the game will not. |
| * |
| * @hide |
| */ |
| @Immutable |
| @SystemApi |
| public final class GameModeConfiguration implements Parcelable { |
| // Default value indicating that no FPS override will be applied as game intervention, or |
| // default to the current display mode's frame rate. |
| public static final int FPS_OVERRIDE_NONE = 0; |
| |
| public static final @NonNull Creator<GameModeConfiguration> CREATOR = new Creator<>() { |
| @Override |
| public GameModeConfiguration createFromParcel(Parcel in) { |
| return new GameModeConfiguration(in); |
| } |
| |
| @Override |
| public GameModeConfiguration[] newArray(int size) { |
| return new GameModeConfiguration[size]; |
| } |
| }; |
| |
| /** |
| * Builder for {@link GameModeConfiguration}. |
| * |
| * @hide |
| */ |
| @SystemApi |
| public static final class Builder { |
| /** Constructs a new Builder for a game mode’s configuration. */ |
| public Builder() { |
| } |
| |
| /** Constructs a new builder by copying from an existing game mode configuration. */ |
| public Builder(@NonNull GameModeConfiguration configuration) { |
| mFpsOverride = configuration.mFpsOverride; |
| mScalingFactor = configuration.mScalingFactor; |
| } |
| |
| /** |
| * Sets the scaling factor used for game resolution downscaling. |
| * <br> |
| * |
| * @param scalingFactor the desired scaling factor ranged from 0.1 to 1.0 inclusively |
| * @throws IllegalArgumentException if the scaling factor is not in range of [0.1, 1.0] |
| */ |
| @NonNull |
| public GameModeConfiguration.Builder setScalingFactor( |
| @FloatRange(from = 0.1, to = 1.0) float scalingFactor) { |
| Preconditions.checkArgument(scalingFactor >= 0.1 && scalingFactor <= 1.0, |
| "Scaling factor should fall between 0.1 and 1.0 (inclusive)"); |
| mScalingFactor = scalingFactor; |
| return this; |
| } |
| |
| /** |
| * Sets the FPS override used for game frame rate throttling. |
| * <br> |
| * The list of valid throttled frame rates can be queried by |
| * <ol> |
| * <li>Obtain display modes by calling {@link Display#getSupportedModes} |
| * <li>For each mode, get valid FPS by getting the divisor of the |
| * {@link Display.Mode#getRefreshRate()} that is >= 30, |
| * e.g. when Display.Mode#getRefreshRate() is 120 Hz, the valid FPS |
| * of this mode is 120, 60, 40, 30 |
| * <li>Aggregate the valid FPS of each mode to get the full list |
| * </ol> |
| * <br> |
| * |
| * @param fpsOverride the desired non-negative FPS override value, default to |
| * {@link #FPS_OVERRIDE_NONE}. |
| * @throws IllegalArgumentException if the provided value is negative |
| */ |
| @NonNull |
| public GameModeConfiguration.Builder setFpsOverride(@IntRange(from = 0) int fpsOverride) { |
| Preconditions.checkArgument(fpsOverride >= 0, |
| "FPS override should be non-negative"); |
| mFpsOverride = fpsOverride; |
| return this; |
| } |
| |
| /** |
| * Builds a GameModeConfiguration. |
| */ |
| @NonNull |
| public GameModeConfiguration build() { |
| return new GameModeConfiguration(mScalingFactor, mFpsOverride); |
| } |
| |
| ; |
| private float mScalingFactor; |
| private int mFpsOverride; |
| } |
| |
| GameModeConfiguration(float scalingFactor, int fpsOverride) { |
| this.mScalingFactor = scalingFactor; |
| this.mFpsOverride = fpsOverride; |
| } |
| |
| GameModeConfiguration(Parcel in) { |
| this.mScalingFactor = in.readFloat(); |
| this.mFpsOverride = in.readInt(); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(@NonNull Parcel dest, int flags) { |
| dest.writeFloat(mScalingFactor); |
| dest.writeInt(mFpsOverride); |
| } |
| |
| /** |
| * Gets the scaling factor used for game resolution downscaling. |
| */ |
| public float getScalingFactor() { |
| return mScalingFactor; |
| } |
| |
| /** |
| * Gets the FPS override used for frame rate throttling. |
| */ |
| public int getFpsOverride() { |
| return mFpsOverride; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| if (!(obj instanceof GameModeConfiguration)) { |
| return false; |
| } |
| GameModeConfiguration config = (GameModeConfiguration) obj; |
| return config.mFpsOverride == this.mFpsOverride |
| && config.mScalingFactor == this.mScalingFactor; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 7; |
| result = 31 * result + mFpsOverride; |
| result = 31 * result + Float.floatToIntBits(mScalingFactor); |
| return result; |
| } |
| |
| private final float mScalingFactor; |
| private final int mFpsOverride; |
| } |