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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you mPrimitiveFields.may not use this file except in compliance with the License.
* You mPrimitiveFields.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.
*/
#define LOG_TAG "OpenGLRenderer"
#include "RenderProperties.h"
#include <utils/Trace.h>
#include <SkCanvas.h>
#include <SkColorFilter.h>
#include <SkMatrix.h>
#include <SkPath.h>
#include <SkPathOps.h>
#include "Matrix.h"
#include "OpenGLRenderer.h"
#include "utils/MathUtils.h"
namespace android {
namespace uirenderer {
LayerProperties::LayerProperties() {
reset();
}
LayerProperties::~LayerProperties() {
setType(LayerType::None);
}
void LayerProperties::reset() {
mOpaque = false;
setFromPaint(nullptr);
}
bool LayerProperties::setColorFilter(SkColorFilter* filter) {
if (mColorFilter == filter) return false;
SkRefCnt_SafeAssign(mColorFilter, filter);
return true;
}
bool LayerProperties::setFromPaint(const SkPaint* paint) {
bool changed = false;
SkXfermode::Mode mode;
int alpha;
OpenGLRenderer::getAlphaAndModeDirect(paint, &alpha, &mode);
changed |= setAlpha(static_cast<uint8_t>(alpha));
changed |= setXferMode(mode);
changed |= setColorFilter(paint ? paint->getColorFilter() : nullptr);
return changed;
}
LayerProperties& LayerProperties::operator=(const LayerProperties& other) {
setType(other.type());
setOpaque(other.opaque());
setAlpha(other.alpha());
setXferMode(other.xferMode());
setColorFilter(other.colorFilter());
return *this;
}
RenderProperties::PrimitiveFields::PrimitiveFields()
: mClippingFlags(CLIP_TO_BOUNDS)
, mProjectBackwards(false)
, mProjectionReceiver(false)
, mAlpha(1)
, mHasOverlappingRendering(true)
, mElevation(0)
, mTranslationX(0), mTranslationY(0), mTranslationZ(0)
, mRotation(0), mRotationX(0), mRotationY(0)
, mScaleX(1), mScaleY(1)
, mPivotX(0), mPivotY(0)
, mLeft(0), mTop(0), mRight(0), mBottom(0)
, mWidth(0), mHeight(0)
, mPivotExplicitlySet(false)
, mMatrixOrPivotDirty(false) {
}
RenderProperties::ComputedFields::ComputedFields()
: mTransformMatrix(nullptr) {
}
RenderProperties::ComputedFields::~ComputedFields() {
delete mTransformMatrix;
}
RenderProperties::RenderProperties()
: mStaticMatrix(nullptr)
, mAnimationMatrix(nullptr) {
}
RenderProperties::~RenderProperties() {
delete mStaticMatrix;
delete mAnimationMatrix;
}
RenderProperties& RenderProperties::operator=(const RenderProperties& other) {
if (this != &other) {
mPrimitiveFields = other.mPrimitiveFields;
setStaticMatrix(other.getStaticMatrix());
setAnimationMatrix(other.getAnimationMatrix());
setCameraDistance(other.getCameraDistance());
mLayerProperties = other.layerProperties();
// Force recalculation of the matrix, since other's dirty bit may be clear
mPrimitiveFields.mMatrixOrPivotDirty = true;
updateMatrix();
}
return *this;
}
void RenderProperties::debugOutputProperties(const int level) const {
if (mPrimitiveFields.mLeft != 0 || mPrimitiveFields.mTop != 0) {
ALOGD("%*sTranslate (left, top) %d, %d", level * 2, "", mPrimitiveFields.mLeft, mPrimitiveFields.mTop);
}
if (mStaticMatrix) {
ALOGD("%*sConcatMatrix (static) %p: " SK_MATRIX_STRING,
level * 2, "", mStaticMatrix, SK_MATRIX_ARGS(mStaticMatrix));
}
if (mAnimationMatrix) {
ALOGD("%*sConcatMatrix (animation) %p: " SK_MATRIX_STRING,
level * 2, "", mAnimationMatrix, SK_MATRIX_ARGS(mAnimationMatrix));
}
if (hasTransformMatrix()) {
if (isTransformTranslateOnly()) {
ALOGD("%*sTranslate %.2f, %.2f, %.2f",
level * 2, "", getTranslationX(), getTranslationY(), getZ());
} else {
ALOGD("%*sConcatMatrix %p: " SK_MATRIX_STRING,
level * 2, "", mComputedFields.mTransformMatrix, SK_MATRIX_ARGS(mComputedFields.mTransformMatrix));
}
}
const bool isLayer = effectiveLayerType() != LayerType::None;
int clipFlags = getClippingFlags();
if (mPrimitiveFields.mAlpha < 1
&& !MathUtils::isZero(mPrimitiveFields.mAlpha)) {
if (isLayer) {
clipFlags &= ~CLIP_TO_BOUNDS; // bounds clipping done by layer
}
if (CC_LIKELY(isLayer || !getHasOverlappingRendering())) {
// simply scale rendering content's alpha
ALOGD("%*sScaleAlpha %.2f", level * 2, "", mPrimitiveFields.mAlpha);
} else {
// savelayeralpha to create an offscreen buffer to apply alpha
Rect layerBounds(0, 0, getWidth(), getHeight());
if (clipFlags) {
getClippingRectForFlags(clipFlags, &layerBounds);
clipFlags = 0; // all clipping done by savelayer
}
ALOGD("%*sSaveLayerAlpha %d, %d, %d, %d, %d, 0x%x", level * 2, "",
(int)layerBounds.left, (int)layerBounds.top,
(int)layerBounds.right, (int)layerBounds.bottom,
(int)(mPrimitiveFields.mAlpha * 255),
SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kClipToLayer_SaveFlag);
}
}
if (clipFlags) {
Rect clipRect;
getClippingRectForFlags(clipFlags, &clipRect);
ALOGD("%*sClipRect %d, %d, %d, %d", level * 2, "",
(int)clipRect.left, (int)clipRect.top, (int)clipRect.right, (int)clipRect.bottom);
}
}
void RenderProperties::updateMatrix() {
if (mPrimitiveFields.mMatrixOrPivotDirty) {
if (!mComputedFields.mTransformMatrix) {
// only allocate a mPrimitiveFields.matrix if we have a complex transform
mComputedFields.mTransformMatrix = new SkMatrix();
}
if (!mPrimitiveFields.mPivotExplicitlySet) {
mPrimitiveFields.mPivotX = mPrimitiveFields.mWidth / 2.0f;
mPrimitiveFields.mPivotY = mPrimitiveFields.mHeight / 2.0f;
}
SkMatrix* transform = mComputedFields.mTransformMatrix;
transform->reset();
if (MathUtils::isZero(getRotationX()) && MathUtils::isZero(getRotationY())) {
transform->setTranslate(getTranslationX(), getTranslationY());
transform->preRotate(getRotation(), getPivotX(), getPivotY());
transform->preScale(getScaleX(), getScaleY(), getPivotX(), getPivotY());
} else {
SkMatrix transform3D;
mComputedFields.mTransformCamera.save();
transform->preScale(getScaleX(), getScaleY(), getPivotX(), getPivotY());
mComputedFields.mTransformCamera.rotateX(mPrimitiveFields.mRotationX);
mComputedFields.mTransformCamera.rotateY(mPrimitiveFields.mRotationY);
mComputedFields.mTransformCamera.rotateZ(-mPrimitiveFields.mRotation);
mComputedFields.mTransformCamera.getMatrix(&transform3D);
transform3D.preTranslate(-getPivotX(), -getPivotY());
transform3D.postTranslate(getPivotX() + getTranslationX(),
getPivotY() + getTranslationY());
transform->postConcat(transform3D);
mComputedFields.mTransformCamera.restore();
}
mPrimitiveFields.mMatrixOrPivotDirty = false;
}
}
} /* namespace uirenderer */
} /* namespace android */
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