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Commit 536f04e3 authored by Leon Scroggins III's avatar Leon Scroggins III
Browse files

Add LayerCommand.blockingRegion 

This hint tells the HWC that it may use a blocking feature to skip a
portion of the layer's buffer.

Bug: 212736475
Test: TODO (b/213361853)
Change-Id: Ib0fa41e56196feeff201637d5599830d2565da2b
parent b9d017c2

graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/LayerCommand.aidl

+1 −0
Original line number Diff line number Diff line
@@ -54,4 +54,5 @@ parcelable LayerCommand { 
  @nullable android.hardware.graphics.composer3.WhitePointNits whitePointNits;

  @nullable android.hardware.graphics.composer3.PerFrameMetadata[] perFrameMetadata;

  @nullable android.hardware.graphics.composer3.PerFrameMetadataBlob[] perFrameMetadataBlob;

  @nullable android.hardware.graphics.common.Rect[] blockingRegion;

}

graphics/composer/aidl/android/hardware/graphics/composer3/LayerCommand.aidl

+11 −0
Original line number Diff line number Diff line
@@ -264,4 +264,15 @@ parcelable LayerCommand { 
     * This command may be called every frame.

     */

    @nullable PerFrameMetadataBlob[] perFrameMetadataBlob;



    /**

     * Specifies a region of the layer that is transparent and may be skipped

     * by the DPU, e.g. using a blocking region, in order to save power. This

     * is only a hint, so the composition of the layer must look the same

     * whether or not this region is skipped.

     *

     * The region is in screen space and must not exceed the dimensions of

     * the screen.

     */

    @nullable Rect[] blockingRegion;

}

graphics/composer/aidl/include/android/hardware/graphics/composer3/ComposerClientWriter.h

+4 −0
Original line number Diff line number Diff line
@@ -213,6 +213,10 @@ class ComposerClientWriter { 
                .whitePointNits.emplace(WhitePointNits{.nits = whitePointNits});

    }



    void setLayerBlockingRegion(int64_t display, int64_t layer, const std::vector<Rect>& blocking) {

        getLayerCommand(display, layer).blockingRegion.emplace(blocking.begin(), blocking.end());

    }



    const std::vector<DisplayCommand>& getPendingCommands() {

        flushLayerCommand();

        flushDisplayCommand();