Move most TransformationInfo properties to RenderNode

This change dedupes the various properties that were represented both
in TransformationInfo, and RenderProperties on the native side.

RenderNode (and its associated properties) are now permanently
attached to a View in SW or HW. The native copy of these properties
are their sole representation.

Alpha to come in a later CL.

Also fixed issue with copying RenderNode's transform, and added
support of deleting RenderNodes in software rendering.

Change-Id: Ideb6e7f32b780e87aa1c32637c368356b3eee3a1
diff --git a/libs/hwui/RenderProperties.cpp b/libs/hwui/RenderProperties.cpp
index 3975a76..e7e7768 100644
--- a/libs/hwui/RenderProperties.cpp
+++ b/libs/hwui/RenderProperties.cpp
@@ -45,28 +45,24 @@
         , mPrevWidth(-1), mPrevHeight(-1)
         , mPivotExplicitlySet(false)
         , mMatrixDirty(false)
-        , mMatrixIsIdentity(true)
         , mMatrixFlags(0)
         , mCaching(false) {
 }
 
 RenderProperties::ComputedFields::ComputedFields()
         : mTransformMatrix(NULL)
-        , mTransformCamera(NULL)
         , mTransformMatrix3D(NULL)
         , mClipPath(NULL) {
 }
 
 RenderProperties::ComputedFields::~ComputedFields() {
     delete mTransformMatrix;
-    delete mTransformCamera;
     delete mTransformMatrix3D;
     delete mClipPath;
 }
 
 RenderProperties::RenderProperties()
-        : mCameraDistance(0)
-        , mStaticMatrix(NULL)
+        : mStaticMatrix(NULL)
         , mAnimationMatrix(NULL) {
 }
 
@@ -82,9 +78,12 @@
         setAnimationMatrix(other.getAnimationMatrix());
         setCameraDistance(other.getCameraDistance());
 
-        // Update the computed fields
-        updateMatrix();
+        // Update the computed clip path
         updateClipPath();
+
+        // Force recalculation of the matrix, since other's dirty bit may be clear
+        mPrimitiveFields.mMatrixDirty = true;
+        updateMatrix();
     }
     return *this;
 }
@@ -106,8 +105,8 @@
             ALOGD("%*sTranslate %.2f, %.2f, %.2f",
                     level * 2, "", mPrimitiveFields.mTranslationX, mPrimitiveFields.mTranslationY, mPrimitiveFields.mTranslationZ);
         } else {
-            ALOGD("%*sConcatMatrix %p: " MATRIX_4_STRING,
-                    level * 2, "", mComputedFields.mTransformMatrix, MATRIX_4_ARGS(mComputedFields.mTransformMatrix));
+            ALOGD("%*sConcatMatrix %p: " SK_MATRIX_STRING,
+                    level * 2, "", mComputedFields.mTransformMatrix, SK_MATRIX_ARGS(mComputedFields.mTransformMatrix));
         }
     }
 
@@ -141,7 +140,7 @@
         if (mPrimitiveFields.mMatrixFlags && mPrimitiveFields.mMatrixFlags != TRANSLATION) {
             if (!mComputedFields.mTransformMatrix) {
                 // only allocate a mPrimitiveFields.matrix if we have a complex transform
-                mComputedFields.mTransformMatrix = new Matrix4();
+                mComputedFields.mTransformMatrix = new SkMatrix();
             }
             if (!mPrimitiveFields.mPivotExplicitlySet) {
                 if (mPrimitiveFields.mWidth != mPrimitiveFields.mPrevWidth || mPrimitiveFields.mHeight != mPrimitiveFields.mPrevHeight) {
@@ -153,33 +152,31 @@
             }
 
             if ((mPrimitiveFields.mMatrixFlags & ROTATION_3D) == 0) {
-                mComputedFields.mTransformMatrix->loadTranslate(
-                        mPrimitiveFields.mPivotX + mPrimitiveFields.mTranslationX,
-                        mPrimitiveFields.mPivotY + mPrimitiveFields.mTranslationY,
-                        0);
-                mComputedFields.mTransformMatrix->rotate(mPrimitiveFields.mRotation, 0, 0, 1);
-                mComputedFields.mTransformMatrix->scale(mPrimitiveFields.mScaleX, mPrimitiveFields.mScaleY, 1);
-                mComputedFields.mTransformMatrix->translate(-mPrimitiveFields.mPivotX, -mPrimitiveFields.mPivotY);
+                mComputedFields.mTransformMatrix->setTranslate(
+                        mPrimitiveFields.mTranslationX, mPrimitiveFields.mTranslationY);
+                mComputedFields.mTransformMatrix->preRotate(mPrimitiveFields.mRotation,
+                        mPrimitiveFields.mPivotX, mPrimitiveFields.mPivotY);
+                mComputedFields.mTransformMatrix->preScale(
+                        mPrimitiveFields.mScaleX, mPrimitiveFields.mScaleY,
+                        mPrimitiveFields.mPivotX, mPrimitiveFields.mPivotY);
             } else {
-                if (!mComputedFields.mTransformCamera) {
-                    mComputedFields.mTransformCamera = new Sk3DView();
+                if (!mComputedFields.mTransformMatrix3D) {
                     mComputedFields.mTransformMatrix3D = new SkMatrix();
                 }
-                SkMatrix transformMatrix;
-                transformMatrix.reset();
-                mComputedFields.mTransformCamera->save();
-                transformMatrix.preScale(mPrimitiveFields.mScaleX, mPrimitiveFields.mScaleY, mPrimitiveFields.mPivotX, mPrimitiveFields.mPivotY);
-                mComputedFields.mTransformCamera->rotateX(mPrimitiveFields.mRotationX);
-                mComputedFields.mTransformCamera->rotateY(mPrimitiveFields.mRotationY);
-                mComputedFields.mTransformCamera->rotateZ(-mPrimitiveFields.mRotation);
-                mComputedFields.mTransformCamera->getMatrix(mComputedFields.mTransformMatrix3D);
+                mComputedFields.mTransformMatrix->reset();
+                mComputedFields.mTransformCamera.save();
+                mComputedFields.mTransformMatrix->preScale(
+                        mPrimitiveFields.mScaleX, mPrimitiveFields.mScaleY,
+                        mPrimitiveFields.mPivotX, mPrimitiveFields.mPivotY);
+                mComputedFields.mTransformCamera.rotateX(mPrimitiveFields.mRotationX);
+                mComputedFields.mTransformCamera.rotateY(mPrimitiveFields.mRotationY);
+                mComputedFields.mTransformCamera.rotateZ(-mPrimitiveFields.mRotation);
+                mComputedFields.mTransformCamera.getMatrix(mComputedFields.mTransformMatrix3D);
                 mComputedFields.mTransformMatrix3D->preTranslate(-mPrimitiveFields.mPivotX, -mPrimitiveFields.mPivotY);
                 mComputedFields.mTransformMatrix3D->postTranslate(mPrimitiveFields.mPivotX + mPrimitiveFields.mTranslationX,
                         mPrimitiveFields.mPivotY + mPrimitiveFields.mTranslationY);
-                transformMatrix.postConcat(*mComputedFields.mTransformMatrix3D);
-                mComputedFields.mTransformCamera->restore();
-
-                mComputedFields.mTransformMatrix->load(transformMatrix);
+                mComputedFields.mTransformMatrix->postConcat(*mComputedFields.mTransformMatrix3D);
+                mComputedFields.mTransformCamera.restore();
             }
         }
         mPrimitiveFields.mMatrixDirty = false;