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Commit 58f09b35 authored by Alan Viverette's avatar Alan Viverette
Browse files

Add DisplayList bit for projecting onto a contained volume 

Does not handle reordering/translating the projected DisplayList.

Change-Id: I6f1ebb2b20b7436c86fe849b35d582fd9c8a8967
parent 8e27a8f6

core/java/android/view/DisplayList.java

+16 −0
Original line number Diff line number Diff line
@@ -414,6 +414,21 @@ public class DisplayList { 
        }

    }



    /**

     * Sets whether the display list should be drawn immediately after the

     * closest ancestor display list where isContainedVolume is true. If the

     * display list itself satisfies this constraint, changing this attribute

     * has no effect on drawing order.

     *

     * @param shouldProject true if the display list should be projected onto a

     *            containing volume.

     */

    public void setProjectToContainedVolume(boolean shouldProject) {

        if (hasNativeDisplayList()) {

            nSetProjectToContainedVolume(mFinalizer.mNativeDisplayList, shouldProject);

        }

    }



    /**

     * Set the static matrix on the display list. The specified matrix is combined with other

     * transforms (such as {@link #setScaleX(float)}, {@link #setRotation(float)}, etc.)
@@ -1034,6 +1049,7 @@ public class DisplayList { 
    private static native void nSetPivotX(int displayList, float pivotX);

    private static native void nSetCaching(int displayList, boolean caching);

    private static native void nSetClipToBounds(int displayList, boolean clipToBounds);

    private static native void nSetProjectToContainedVolume(int displayList, boolean shouldProject);

    private static native void nSetIsContainedVolume(int displayList, boolean isContainedVolume);

    private static native void nSetAlpha(int displayList, float alpha);

    private static native void nSetHasOverlappingRendering(int displayList,

core/jni/android_view_DisplayList.cpp

+8 −0
Original line number Diff line number Diff line
@@ -111,6 +111,12 @@ static void android_view_DisplayList_setIsContainedVolume(JNIEnv* env, 
    displayList->setIsContainedVolume(isContainedVolume);

}



static void android_view_DisplayList_setProjectToContainedVolume(JNIEnv* env,

        jobject clazz, jint displayListPtr, jboolean shouldProject) {

    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);

    displayList->setProjectToContainedVolume(projectToContainedVolume);

}



static void android_view_DisplayList_setAlpha(JNIEnv* env,

        jobject clazz, jint displayListPtr, float alpha) {

    DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr);
@@ -378,6 +384,8 @@ static JNINativeMethod gMethods[] = { 
    { "nSetAnimationMatrix",   "(II)V",  (void*) android_view_DisplayList_setAnimationMatrix },

    { "nSetClipToBounds",      "(IZ)V",  (void*) android_view_DisplayList_setClipToBounds },

    { "nSetIsContainedVolume", "(IZ)V",  (void*) android_view_DisplayList_setIsContainedVolume },

    { "nSetProjectToContainedVolume", "(IZ)V",

            (void*) android_view_DisplayList_setProjectToContainedVolume },

    { "nSetAlpha",             "(IF)V",  (void*) android_view_DisplayList_setAlpha },

    { "nSetHasOverlappingRendering", "(IZ)V",

            (void*) android_view_DisplayList_setHasOverlappingRendering },

libs/hwui/DisplayList.cpp

+1 −0
Original line number Diff line number Diff line
@@ -238,6 +238,7 @@ void DisplayList::init() { 
    mBottom = 0;

    mClipToBounds = true;

    mIsContainedVolume = true;

    mProjectToContainedVolume = false;

    mAlpha = 1;

    mHasOverlappingRendering = true;

    mTranslationX = 0;

libs/hwui/DisplayList.h

+6 −1
Original line number Diff line number Diff line
@@ -189,6 +189,10 @@ public: 
        mIsContainedVolume = isContainedVolume;

    }



    void setProjectToContainedVolume(bool shouldProject) {

        mProjectToContainedVolume = shouldProject;

    }



    void setStaticMatrix(SkMatrix* matrix) {

        delete mStaticMatrix;

        mStaticMatrix = new SkMatrix(*matrix);
@@ -572,9 +576,10 @@ private: 
    String8 mName;

    bool mDestroyed; // used for debugging crash, TODO: remove once invalid state crash fixed



    // View properties

    // Rendering properties

    bool mClipToBounds;

    bool mIsContainedVolume;

    bool mProjectToContainedVolume;

    float mAlpha;

    bool mHasOverlappingRendering;

    float mTranslationX, mTranslationY, mTranslationZ;