wip for drawables

src/core/SkPicture.cpp

 
 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkPictureFlat.h"
@@ skipping 239 matching lines @@
                     >= kNumAAConcavePathsTol)
             *reason = "Too many anti-aliased concave paths.";
         else
             *reason = "Unknown reason for GPU unsuitability.";
     }
     return ret;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
+int SkPicture::drawableCount() const {
+    if (fDrawablePicts.get()) {
+        return SkToInt(fDrawablePicts->size() / sizeof(SkPicture*));
+    } else {
+        return 0;
+    }
+}
+
+SkPicture* const* SkPicture::drawablePicts() const {
+    if (fDrawablePicts) {
+        return reinterpret_cast<SkPicture* const*>(fDrawablePicts->data());
+    }
+    return NULL;
+}
+
 SkPicture::~SkPicture() {
     this->callDeletionListeners();
+
+    const int count = this->drawableCount();
+    SkPicture* const* pics = this->drawablePicts();
+    for (int i = 0; i < count; ++i) {
+        pics[i]->unref();
+    }
 }
 
 void SkPicture::EXPERIMENTAL_addAccelData(const SkPicture::AccelData* data) const {
     fAccelData.reset(SkRef(data));
 }
 
 const SkPicture::AccelData* SkPicture::EXPERIMENTAL_getAccelData(
         SkPicture::AccelData::Key key) const {
     if (fAccelData.get() && fAccelData->getKey() == key) {
         return fAccelData.get();
@@ skipping 15 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkPicture::playback(SkCanvas* canvas, SkDrawPictureCallback* callback) const {
     SkASSERT(canvas);
 
     // If the query contains the whole picture, don't bother with the BBH.
     SkRect clipBounds = { 0, 0, 0, 0 };
     (void)canvas->getClipBounds(&clipBounds);
     const bool useBBH = !clipBounds.contains(this->cullRect());
 
-    SkRecordDraw(*fRecord, canvas, useBBH ? fBBH.get() : NULL, callback);
+    SkRecordDraw(*fRecord, canvas, this->drawablePicts(), this->drawableCount(),
+                 useBBH ? fBBH.get() : NULL, callback);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "SkStream.h"
 
 static const char kMagic[] = { 's', 'k', 'i', 'a', 'p', 'i', 'c', 't' };
 
 bool SkPicture::IsValidPictInfo(const SkPictInfo& info) {
     if (0 != memcmp(info.fMagic, kMagic, sizeof(kMagic))) {
@@ skipping 129 matching lines @@
     info->fFlags = SkPictInfo::kCrossProcess_Flag;
     // TODO: remove this flag, since we're always float (now)
     info->fFlags |= SkPictInfo::kScalarIsFloat_Flag;
 
     if (8 == sizeof(void*)) {
         info->fFlags |= SkPictInfo::kPtrIs64Bit_Flag;
     }
 }
 
 // This for compatibility with serialization code only.  This is not cheap.
-SkPictureData* SkPicture::Backport(const SkRecord& src, const SkPictInfo& info) {
+SkPictureData* SkPicture::Backport(const SkRecord& src, const SkPictInfo& info,
+                                   SkPicture* const drawablePicts[], int drawableCount) {
     SkPictureRecord rec(SkISize::Make(info.fCullRect.width(), info.fCullRect.height()), 0/*flags*/);
     rec.beginRecording();
-        SkRecordDraw(src, &rec, NULL/*bbh*/, NULL/*callback*/);
+        SkRecordDraw(src, &rec, drawablePicts, drawableCount, NULL/*bbh*/, NULL/*callback*/);
     rec.endRecording();
     return SkNEW_ARGS(SkPictureData, (rec, info, false/*deep copy ops?*/));
 }
 
-
 void SkPicture::serialize(SkWStream* stream, EncodeBitmap encoder) const {
     SkPictInfo info;
     this->createHeader(&info);
-    SkAutoTDelete<SkPictureData> data(Backport(*fRecord, info));
+    SkAutoTDelete<SkPictureData> data(Backport(*fRecord, info, this->drawablePicts(),
+                                               this->drawableCount()));
 
     stream->write(&info, sizeof(info));
     if (data) {
         stream->writeBool(true);
         data->serialize(stream, encoder);
     } else {
         stream->writeBool(false);
     }
 }
 
 void SkPicture::flatten(SkWriteBuffer& buffer) const {
     SkPictInfo info;
     this->createHeader(&info);
-    SkAutoTDelete<SkPictureData> data(Backport(*fRecord, info));
+    SkAutoTDelete<SkPictureData> data(Backport(*fRecord, info, this->drawablePicts(),
+                                               this->drawableCount()));
 
     buffer.writeByteArray(&info.fMagic, sizeof(info.fMagic));
     buffer.writeUInt(info.fVersion);
     buffer.writeRect(info.fCullRect);
     buffer.writeUInt(info.fFlags);
     if (data) {
         buffer.writeBool(true);
         data->flatten(buffer);
     } else {
         buffer.writeBool(false);
@@ skipping 21 matching lines @@
     return genID;
 }
 
 uint32_t SkPicture::uniqueID() const {
     if (SK_InvalidGenID == fUniqueID) {
         fUniqueID = next_picture_generation_id();
     }
     return fUniqueID;
 }
 
-SkPicture::SkPicture(SkScalar width, SkScalar height, SkRecord* record, SkBBoxHierarchy* bbh)
+SkPicture::SkPicture(SkScalar width, SkScalar height, SkRecord* record, SkData* drawablePicts,
+                     SkBBoxHierarchy* bbh)
     : fCullWidth(width)
     , fCullHeight(height)
     , fRecord(record)
     , fBBH(SkSafeRef(bbh))
+    , fDrawablePicts(SkSafeRef(drawablePicts))
     , fAnalysis(*fRecord) {
     this->needsNewGenID();
 }
 
 // Note that we are assuming that this entry point will only be called from
 // one thread. Currently the only client of this method is
 // SkGpuDevice::EXPERIMENTAL_optimize which should be only called from a single
 // thread.
 void SkPicture::addDeletionListener(DeletionListener* listener) const {
     SkASSERT(listener);
 
     *fDeletionListeners.append() = SkRef(listener);
 }
 
 void SkPicture::callDeletionListeners() {
     for (int i = 0; i < fDeletionListeners.count(); ++i) {
         fDeletionListeners[i]->onDeletion(this->uniqueID());
     }
 
     fDeletionListeners.unrefAll();
 }