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/*
* Copyright (C) 2013 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.
*/
#include <SkCanvas.h>
#include "Debug.h"
#include "DisplayList.h"
#include "DisplayListOp.h"
#include "DisplayListLogBuffer.h"
namespace android {
namespace uirenderer {
void DisplayList::outputLogBuffer(int fd) {
DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance();
if (logBuffer.isEmpty()) {
return;
}
FILE *file = fdopen(fd, "a");
fprintf(file, "\nRecent DisplayList operations\n");
logBuffer.outputCommands(file);
String8 cachesLog;
Caches::getInstance().dumpMemoryUsage(cachesLog);
fprintf(file, "\nCaches:\n%s", cachesLog.string());
fprintf(file, "\n");
fflush(file);
}
DisplayList::DisplayList(const DisplayListRenderer& recorder) :
mDestroyed(false), mTransformMatrix(NULL), mTransformCamera(NULL), mTransformMatrix3D(NULL),
mStaticMatrix(NULL), mAnimationMatrix(NULL) {
initFromDisplayListRenderer(recorder);
}
DisplayList::~DisplayList() {
mDestroyed = true;
clearResources();
}
void DisplayList::destroyDisplayListDeferred(DisplayList* displayList) {
if (displayList) {
DISPLAY_LIST_LOGD("Deferring display list destruction");
Caches::getInstance().deleteDisplayListDeferred(displayList);
}
}
void DisplayList::clearResources() {
mDisplayListData = NULL;
mClipRectOp = NULL;
mSaveLayerOp = NULL;
mSaveOp = NULL;
mRestoreToCountOp = NULL;
delete mTransformMatrix;
delete mTransformCamera;
delete mTransformMatrix3D;
delete mStaticMatrix;
delete mAnimationMatrix;
mTransformMatrix = NULL;
mTransformCamera = NULL;
mTransformMatrix3D = NULL;
mStaticMatrix = NULL;
mAnimationMatrix = NULL;
Caches& caches = Caches::getInstance();
caches.unregisterFunctors(mFunctorCount);
caches.resourceCache.lock();
for (size_t i = 0; i < mBitmapResources.size(); i++) {
caches.resourceCache.decrementRefcountLocked(mBitmapResources.itemAt(i));
}
for (size_t i = 0; i < mOwnedBitmapResources.size(); i++) {
SkBitmap* bitmap = mOwnedBitmapResources.itemAt(i);
caches.resourceCache.decrementRefcountLocked(bitmap);
caches.resourceCache.destructorLocked(bitmap);
}
for (size_t i = 0; i < mFilterResources.size(); i++) {
caches.resourceCache.decrementRefcountLocked(mFilterResources.itemAt(i));
}
for (size_t i = 0; i < mPatchResources.size(); i++) {
caches.resourceCache.decrementRefcountLocked(mPatchResources.itemAt(i));
}
for (size_t i = 0; i < mShaders.size(); i++) {
caches.resourceCache.decrementRefcountLocked(mShaders.itemAt(i));
caches.resourceCache.destructorLocked(mShaders.itemAt(i));
}
for (size_t i = 0; i < mSourcePaths.size(); i++) {
caches.resourceCache.decrementRefcountLocked(mSourcePaths.itemAt(i));
}
for (size_t i = 0; i < mLayers.size(); i++) {
caches.resourceCache.decrementRefcountLocked(mLayers.itemAt(i));
}
caches.resourceCache.unlock();
for (size_t i = 0; i < mPaints.size(); i++) {
delete mPaints.itemAt(i);
}
for (size_t i = 0; i < mRegions.size(); i++) {
delete mRegions.itemAt(i);
}
for (size_t i = 0; i < mPaths.size(); i++) {
delete mPaths.itemAt(i);
}
for (size_t i = 0; i < mMatrices.size(); i++) {
delete mMatrices.itemAt(i);
}
mBitmapResources.clear();
mOwnedBitmapResources.clear();
mFilterResources.clear();
mPatchResources.clear();
mShaders.clear();
mSourcePaths.clear();
mPaints.clear();
mRegions.clear();
mPaths.clear();
mMatrices.clear();
mLayers.clear();
}
void DisplayList::reset() {
clearResources();
init();
}
void DisplayList::initFromDisplayListRenderer(const DisplayListRenderer& recorder, bool reusing) {
if (reusing) {
// re-using display list - clear out previous allocations
clearResources();
}
init();
mDisplayListData = recorder.getDisplayListData();
mSize = mDisplayListData->allocator.usedSize();
if (mSize == 0) {
return;
}
// allocate reusable ops for state-deferral
LinearAllocator& alloc = mDisplayListData->allocator;
mClipRectOp = new (alloc) ClipRectOp();
mSaveLayerOp = new (alloc) SaveLayerOp();
mSaveOp = new (alloc) SaveOp();
mRestoreToCountOp = new (alloc) RestoreToCountOp();
if (CC_UNLIKELY(!mSaveOp)) { // temporary debug logging
ALOGW("Error: %s's SaveOp not allocated, size %d", getName(), mSize);
CRASH();
}
mFunctorCount = recorder.getFunctorCount();
Caches& caches = Caches::getInstance();
caches.registerFunctors(mFunctorCount);
caches.resourceCache.lock();
const Vector<SkBitmap*>& bitmapResources = recorder.getBitmapResources();
for (size_t i = 0; i < bitmapResources.size(); i++) {
SkBitmap* resource = bitmapResources.itemAt(i);
mBitmapResources.add(resource);
caches.resourceCache.incrementRefcountLocked(resource);
}
const Vector<SkBitmap*> &ownedBitmapResources = recorder.getOwnedBitmapResources();
for (size_t i = 0; i < ownedBitmapResources.size(); i++) {
SkBitmap* resource = ownedBitmapResources.itemAt(i);
mOwnedBitmapResources.add(resource);
caches.resourceCache.incrementRefcountLocked(resource);
}
const Vector<SkiaColorFilter*>& filterResources = recorder.getFilterResources();
for (size_t i = 0; i < filterResources.size(); i++) {
SkiaColorFilter* resource = filterResources.itemAt(i);
mFilterResources.add(resource);
caches.resourceCache.incrementRefcountLocked(resource);
}
const Vector<Res_png_9patch*>& patchResources = recorder.getPatchResources();
for (size_t i = 0; i < patchResources.size(); i++) {
Res_png_9patch* resource = patchResources.itemAt(i);
mPatchResources.add(resource);
caches.resourceCache.incrementRefcountLocked(resource);
}
const Vector<SkiaShader*>& shaders = recorder.getShaders();
for (size_t i = 0; i < shaders.size(); i++) {
SkiaShader* resource = shaders.itemAt(i);
mShaders.add(resource);
caches.resourceCache.incrementRefcountLocked(resource);
}
const SortedVector<SkPath*>& sourcePaths = recorder.getSourcePaths();
for (size_t i = 0; i < sourcePaths.size(); i++) {
mSourcePaths.add(sourcePaths.itemAt(i));
caches.resourceCache.incrementRefcountLocked(sourcePaths.itemAt(i));
}
const Vector<Layer*>& layers = recorder.getLayers();
for (size_t i = 0; i < layers.size(); i++) {
mLayers.add(layers.itemAt(i));
caches.resourceCache.incrementRefcountLocked(layers.itemAt(i));
}
caches.resourceCache.unlock();
mPaints.appendVector(recorder.getPaints());
mRegions.appendVector(recorder.getRegions());
mPaths.appendVector(recorder.getPaths());
mMatrices.appendVector(recorder.getMatrices());
}
void DisplayList::init() {
mSize = 0;
mIsRenderable = true;
mFunctorCount = 0;
mLeft = 0;
mTop = 0;
mRight = 0;
mBottom = 0;
mClipToBounds = true;
mAlpha = 1;
mHasOverlappingRendering = true;
mTranslationX = 0;
mTranslationY = 0;
mRotation = 0;
mRotationX = 0;
mRotationY= 0;
mScaleX = 1;
mScaleY = 1;
mPivotX = 0;
mPivotY = 0;
mCameraDistance = 0;
mMatrixDirty = false;
mMatrixFlags = 0;
mPrevWidth = -1;
mPrevHeight = -1;
mWidth = 0;
mHeight = 0;
mPivotExplicitlySet = false;
mCaching = false;
}
size_t DisplayList::getSize() {
return mSize;
}
/**
* This function is a simplified version of replay(), where we simply retrieve and log the
* display list. This function should remain in sync with the replay() function.
*/
void DisplayList::output(uint32_t level) {
ALOGD("%*sStart display list (%p, %s, render=%d)", (level - 1) * 2, "", this,
mName.string(), isRenderable());
ALOGD("%*s%s %d", level * 2, "", "Save",
SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
outputViewProperties(level);
int flags = DisplayListOp::kOpLogFlag_Recurse;
for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) {
mDisplayListData->displayListOps[i]->output(level, flags);
}
ALOGD("%*sDone (%p, %s)", (level - 1) * 2, "", this, mName.string());
}
float DisplayList::getPivotX() {
updateMatrix();
return mPivotX;
}
float DisplayList::getPivotY() {
updateMatrix();
return mPivotY;
}
void DisplayList::updateMatrix() {
if (mMatrixDirty) {
if (!mTransformMatrix) {
mTransformMatrix = new SkMatrix();
}
if (mMatrixFlags == 0 || mMatrixFlags == TRANSLATION) {
mTransformMatrix->reset();
} else {
if (!mPivotExplicitlySet) {
if (mWidth != mPrevWidth || mHeight != mPrevHeight) {
mPrevWidth = mWidth;
mPrevHeight = mHeight;
mPivotX = mPrevWidth / 2.0f;
mPivotY = mPrevHeight / 2.0f;
}
}
if ((mMatrixFlags & ROTATION_3D) == 0) {
mTransformMatrix->setTranslate(mTranslationX, mTranslationY);
mTransformMatrix->preRotate(mRotation, mPivotX, mPivotY);
mTransformMatrix->preScale(mScaleX, mScaleY, mPivotX, mPivotY);
} else {
if (!mTransformCamera) {
mTransformCamera = new Sk3DView();
mTransformMatrix3D = new SkMatrix();
}
mTransformMatrix->reset();
mTransformCamera->save();
mTransformMatrix->preScale(mScaleX, mScaleY, mPivotX, mPivotY);
mTransformCamera->rotateX(mRotationX);
mTransformCamera->rotateY(mRotationY);
mTransformCamera->rotateZ(-mRotation);
mTransformCamera->getMatrix(mTransformMatrix3D);
mTransformMatrix3D->preTranslate(-mPivotX, -mPivotY);
mTransformMatrix3D->postTranslate(mPivotX + mTranslationX,
mPivotY + mTranslationY);
mTransformMatrix->postConcat(*mTransformMatrix3D);
mTransformCamera->restore();
}
}
mMatrixDirty = false;
}
}
void DisplayList::outputViewProperties(const int level) {
updateMatrix();
if (mLeft != 0 || mTop != 0) {
ALOGD("%*sTranslate (left, top) %d, %d", level * 2, "", mLeft, mTop);
}
if (mStaticMatrix) {
ALOGD("%*sConcatMatrix (static) %p: " MATRIX_STRING,
level * 2, "", mStaticMatrix, MATRIX_ARGS(mStaticMatrix));
}
if (mAnimationMatrix) {
ALOGD("%*sConcatMatrix (animation) %p: " MATRIX_STRING,
level * 2, "", mAnimationMatrix, MATRIX_ARGS(mStaticMatrix));
}
if (mMatrixFlags != 0) {
if (mMatrixFlags == TRANSLATION) {
ALOGD("%*sTranslate %f, %f", level * 2, "", mTranslationX, mTranslationY);
} else {
ALOGD("%*sConcatMatrix %p: " MATRIX_STRING,
level * 2, "", mTransformMatrix, MATRIX_ARGS(mTransformMatrix));
}
}
bool clipToBoundsNeeded = mClipToBounds;
if (mAlpha < 1) {
if (mCaching) {
ALOGD("%*sSetOverrideLayerAlpha %.2f", level * 2, "", mAlpha);
clipToBoundsNeeded = false; // clipping done by layer
} else if (!mHasOverlappingRendering) {
ALOGD("%*sScaleAlpha %.2f", level * 2, "", mAlpha);
} else {
int flags = SkCanvas::kHasAlphaLayer_SaveFlag;
if (clipToBoundsNeeded) {
flags |= SkCanvas::kClipToLayer_SaveFlag;
clipToBoundsNeeded = false; // clipping done by save layer
}
ALOGD("%*sSaveLayerAlpha %.2f, %.2f, %.2f, %.2f, %d, 0x%x", level * 2, "",
(float) 0, (float) 0, (float) mRight - mLeft, (float) mBottom - mTop,
(int)(mAlpha * 255), flags);
}
}
if (clipToBoundsNeeded) {
ALOGD("%*sClipRect %.2f, %.2f, %.2f, %.2f", level * 2, "", 0.0f, 0.0f,
(float) mRight - mLeft, (float) mBottom - mTop);
}
}
/*
* For property operations, we pass a savecount of 0, since the operations aren't part of the
* displaylist, and thus don't have to compensate for the record-time/playback-time discrepancy in
* base saveCount (i.e., how RestoreToCount uses saveCount + mCount)
*/
#define PROPERTY_SAVECOUNT 0
template <class T>
void DisplayList::setViewProperties(OpenGLRenderer& renderer, T& handler,
const int level) {
#if DEBUG_DISPLAY_LIST
outputViewProperties(level);
#endif
updateMatrix();
if (mLeft != 0 || mTop != 0) {
renderer.translate(mLeft, mTop);
}
if (mStaticMatrix) {
renderer.concatMatrix(mStaticMatrix);
} else if (mAnimationMatrix) {
renderer.concatMatrix(mAnimationMatrix);
}
if (mMatrixFlags != 0) {
if (mMatrixFlags == TRANSLATION) {
renderer.translate(mTranslationX, mTranslationY);
} else {
renderer.concatMatrix(mTransformMatrix);
}
}
bool clipToBoundsNeeded = mClipToBounds;
if (mAlpha < 1) {
if (mCaching) {
renderer.setOverrideLayerAlpha(mAlpha);
clipToBoundsNeeded = false; // clipping done by layer
} else if (!mHasOverlappingRendering) {
renderer.scaleAlpha(mAlpha);
} else {
// TODO: should be able to store the size of a DL at record time and not
// have to pass it into this call. In fact, this information might be in the
// location/size info that we store with the new native transform data.
int saveFlags = SkCanvas::kHasAlphaLayer_SaveFlag;
if (clipToBoundsNeeded) {
saveFlags |= SkCanvas::kClipToLayer_SaveFlag;
clipToBoundsNeeded = false; // clipping done by saveLayer
}
handler(mSaveLayerOp->reinit(0, 0, mRight - mLeft, mBottom - mTop,
mAlpha * 255, SkXfermode::kSrcOver_Mode, saveFlags), PROPERTY_SAVECOUNT,
mClipToBounds);
}
}
if (clipToBoundsNeeded) {
handler(mClipRectOp->reinit(0, 0, mRight - mLeft, mBottom - mTop, SkRegion::kIntersect_Op),
PROPERTY_SAVECOUNT, mClipToBounds);
}
}
class DeferOperationHandler {
public:
DeferOperationHandler(DeferStateStruct& deferStruct, int level)
: mDeferStruct(deferStruct), mLevel(level) {}
inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) {
operation->defer(mDeferStruct, saveCount, mLevel, clipToBounds);
}
private:
DeferStateStruct& mDeferStruct;
const int mLevel;
};
void DisplayList::defer(DeferStateStruct& deferStruct, const int level) {
DeferOperationHandler handler(deferStruct, level);
iterate<DeferOperationHandler>(deferStruct.mRenderer, handler, level);
}
class ReplayOperationHandler {
public:
ReplayOperationHandler(ReplayStateStruct& replayStruct, int level)
: mReplayStruct(replayStruct), mLevel(level) {}
inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) {
#if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS
mReplayStruct.mRenderer.eventMark(operation->name());
#endif
operation->replay(mReplayStruct, saveCount, mLevel, clipToBounds);
}
private:
ReplayStateStruct& mReplayStruct;
const int mLevel;
};
void DisplayList::replay(ReplayStateStruct& replayStruct, const int level) {
ReplayOperationHandler handler(replayStruct, level);
replayStruct.mRenderer.startMark(mName.string());
iterate<ReplayOperationHandler>(replayStruct.mRenderer, handler, level);
replayStruct.mRenderer.endMark();
DISPLAY_LIST_LOGD("%*sDone (%p, %s), returning %d", level * 2, "", this, mName.string(),
replayStruct.mDrawGlStatus);
}
/**
* This function serves both defer and replay modes, and will organize the displayList's component
* operations for a single frame:
*
* Every 'simple' operation that affects just the matrix and alpha (or other factors of
* DeferredDisplayState) may be issued directly to the renderer, but complex operations (with custom
* defer logic) and operations in displayListOps are issued through the 'handler' which handles the
* defer vs replay logic, per operation
*/
template <class T>
void DisplayList::iterate(OpenGLRenderer& renderer, T& handler, const int level) {
if (CC_UNLIKELY(mDestroyed)) { // temporary debug logging
ALOGW("Error: %s is drawing after destruction, size %d", getName(), mSize);
CRASH();
}
if (mSize == 0 || mAlpha <= 0) {
DISPLAY_LIST_LOGD("%*sEmpty display list (%p, %s)", level * 2, "", this, mName.string());
return;
}
#if DEBUG_DISPLAY_LIST
Rect* clipRect = renderer.getClipRect();
DISPLAY_LIST_LOGD("%*sStart display list (%p, %s), clipRect: %.0f, %.0f, %.0f, %.0f",
level * 2, "", this, mName.string(), clipRect->left, clipRect->top,
clipRect->right, clipRect->bottom);
#endif
int restoreTo = renderer.getSaveCount();
handler(mSaveOp->reinit(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag),
PROPERTY_SAVECOUNT, mClipToBounds);
DISPLAY_LIST_LOGD("%*sSave %d %d", (level + 1) * 2, "",
SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag, restoreTo);
setViewProperties<T>(renderer, handler, level + 1);
if (mClipToBounds && renderer.quickRejectNoScissor(0, 0, mWidth, mHeight)) {
DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo);
handler(mRestoreToCountOp->reinit(restoreTo), PROPERTY_SAVECOUNT, mClipToBounds);
renderer.restoreToCount(restoreTo);
renderer.setOverrideLayerAlpha(1.0f);
return;
}
DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance();
int saveCount = renderer.getSaveCount() - 1;
for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) {
DisplayListOp *op = mDisplayListData->displayListOps[i];
#if DEBUG_DISPLAY_LIST
op->output(level + 1);
#endif
logBuffer.writeCommand(level, op->name());
handler(op, saveCount, mClipToBounds);
}
DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo);
handler(mRestoreToCountOp->reinit(restoreTo), PROPERTY_SAVECOUNT, mClipToBounds);
renderer.restoreToCount(restoreTo);
renderer.setOverrideLayerAlpha(1.0f);
}
}; // namespace uirenderer
}; // namespace android
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