summaryrefslogtreecommitdiffstats
path: root/libs/hwui/DeferredDisplayList.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libs/hwui/DeferredDisplayList.cpp')
-rw-r--r--libs/hwui/DeferredDisplayList.cpp151
1 files changed, 116 insertions, 35 deletions
diff --git a/libs/hwui/DeferredDisplayList.cpp b/libs/hwui/DeferredDisplayList.cpp
index 512d3b1..6bb54a7 100644
--- a/libs/hwui/DeferredDisplayList.cpp
+++ b/libs/hwui/DeferredDisplayList.cpp
@@ -20,6 +20,8 @@
#include <SkCanvas.h>
#include <utils/Trace.h>
+#include <ui/Rect.h>
+#include <ui/Region.h>
#include "Caches.h"
#include "Debug.h"
@@ -51,19 +53,23 @@ class Batch {
public:
virtual status_t replay(OpenGLRenderer& renderer, Rect& dirty, int index) = 0;
virtual ~Batch() {}
+ virtual bool purelyDrawBatch() { return false; }
+ virtual bool coversBounds(const Rect& bounds) { return false; }
};
class DrawBatch : public Batch {
public:
- DrawBatch(int batchId, mergeid_t mergeId) : mBatchId(batchId), mMergeId(mergeId) {
+ DrawBatch(const DeferInfo& deferInfo) : mAllOpsOpaque(true),
+ mBatchId(deferInfo.batchId), mMergeId(deferInfo.mergeId) {
mOps.clear();
}
virtual ~DrawBatch() { mOps.clear(); }
- void add(DrawOp* op) {
+ virtual void add(DrawOp* op, bool opaqueOverBounds) {
// NOTE: ignore empty bounds special case, since we don't merge across those ops
mBounds.unionWith(op->state.mBounds);
+ mAllOpsOpaque &= opaqueOverBounds;
mOps.add(op);
}
@@ -114,14 +120,28 @@ public:
return status;
}
+ virtual bool purelyDrawBatch() { return true; }
+
+ virtual bool coversBounds(const Rect& bounds) {
+ if (CC_LIKELY(!mAllOpsOpaque || !mBounds.contains(bounds) || count() == 1)) return false;
+
+ Region uncovered(android::Rect(bounds.left, bounds.top, bounds.right, bounds.bottom));
+ for (unsigned int i = 0; i < mOps.size(); i++) {
+ Rect &r = mOps[i]->state.mBounds;
+ uncovered.subtractSelf(android::Rect(r.left, r.top, r.right, r.bottom));
+ }
+ return uncovered.isEmpty();
+ }
+
inline int getBatchId() const { return mBatchId; }
inline mergeid_t getMergeId() const { return mMergeId; }
inline int count() const { return mOps.size(); }
protected:
Vector<DrawOp*> mOps;
- Rect mBounds;
+ Rect mBounds; // union of bounds of contained ops
private:
+ bool mAllOpsOpaque;
int mBatchId;
mergeid_t mMergeId;
};
@@ -132,7 +152,8 @@ private:
class MergingDrawBatch : public DrawBatch {
public:
- MergingDrawBatch(int batchId, mergeid_t mergeId) : DrawBatch(batchId, mergeId) {}
+ MergingDrawBatch(DeferInfo& deferInfo, Rect viewport) :
+ DrawBatch(deferInfo), mClipRect(viewport), mClipSideFlags(kClipSide_Unclipped) {}
/*
* Checks if a (mergeable) op can be merged into this batch
@@ -145,11 +166,6 @@ public:
* dropped, so we make simplifying qualifications on the ops that can merge, per op type.
*/
bool canMergeWith(DrawOp* op) {
- if (getBatchId() == DeferredDisplayList::kOpBatch_Bitmap) {
- // Bitmap batches can handle translate and scaling
- if (!op->state.mMatrix.isSimple()) return false;
- } else if (!op->state.mMatrix.isPureTranslate()) return false;
-
bool isTextBatch = getBatchId() == DeferredDisplayList::kOpBatch_Text ||
getBatchId() == DeferredDisplayList::kOpBatch_ColorText;
@@ -158,12 +174,29 @@ public:
if (!isTextBatch || op->state.mDrawModifiers.mHasShadow) {
if (intersects(op->state.mBounds)) return false;
}
-
const DeferredDisplayState& lhs = op->state;
const DeferredDisplayState& rhs = mOps[0]->state;
if (NEQ_FALPHA(lhs.mAlpha, rhs.mAlpha)) return false;
+ // If colliding flags, ensure bounds are equal
+ // NOTE: only needed if op to be added is clipped *and* within old valid clip (per dimension)
+ int collidingClipSideFlags = mClipSideFlags & op->state.mClipSideFlags;
+ if (CC_UNLIKELY(collidingClipSideFlags)) {
+ // if multiple ops are clipped on the same side, they must be clipped at the same
+ // coordinate to be merged
+ if ((collidingClipSideFlags & kClipSide_Left) &&
+ mClipRect.left != op->state.mClip.left) return false;
+ if ((collidingClipSideFlags & kClipSide_Top) &&
+ mClipRect.top != op->state.mClip.top) return false;
+ if ((collidingClipSideFlags & kClipSide_Right) &&
+ mClipRect.right != op->state.mClip.right) return false;
+ if ((collidingClipSideFlags & kClipSide_Bottom) &&
+ mClipRect.bottom != op->state.mClip.bottom) return false;
+ }
+ // if op is outside of batch clip rect, it can't share its clip
+ if (!mClipRect.contains(op->state.mBounds)) return false;
+
// if paints are equal, then modifiers + paint attribs don't need to be compared
if (op->mPaint == mOps[0]->mPaint) return true;
@@ -181,7 +214,6 @@ public:
*
* These ignore cases prevent us from simply memcmp'ing the drawModifiers
*/
-
const DrawModifiers& lhsMod = lhs.mDrawModifiers;
const DrawModifiers& rhsMod = rhs.mDrawModifiers;
if (lhsMod.mShader != rhsMod.mShader) return false;
@@ -195,13 +227,28 @@ public:
return true;
}
+ virtual void add(DrawOp* op, bool opaqueOverBounds) {
+ DrawBatch::add(op, opaqueOverBounds);
+
+ const int newClipSideFlags = op->state.mClipSideFlags;
+ mClipSideFlags |= newClipSideFlags;
+ if (newClipSideFlags & kClipSide_Left) mClipRect.left = op->state.mClip.left;
+ if (newClipSideFlags & kClipSide_Top) mClipRect.top = op->state.mClip.top;
+ if (newClipSideFlags & kClipSide_Right) mClipRect.right = op->state.mClip.right;
+ if (newClipSideFlags & kClipSide_Bottom) mClipRect.bottom = op->state.mClip.bottom;
+ }
+
virtual status_t replay(OpenGLRenderer& renderer, Rect& dirty, int index) {
- DEFER_LOGD("%d replaying MergingDrawBatch %p, with %d ops (batch id %x, merge id %p)",
- index, this, mOps.size(), getBatchId(), getMergeId());
+ DEFER_LOGD("%d replaying MergingDrawBatch %p, with %d ops,"
+ " clip flags %x (batch id %x, merge id %p)",
+ index, this, mOps.size(), mClipSideFlags, getBatchId(), getMergeId());
if (mOps.size() == 1) {
- return DrawBatch::replay(renderer, dirty, 0);
+ return DrawBatch::replay(renderer, dirty, -1);
}
+ // clipping in the merged case is done ahead of time since all ops share the clip (if any)
+ renderer.setupMergedMultiDraw(mClipSideFlags ? &mClipRect : NULL);
+
DrawOp* op = mOps[0];
DisplayListLogBuffer& buffer = DisplayListLogBuffer::getInstance();
buffer.writeCommand(0, "multiDraw");
@@ -214,6 +261,15 @@ public:
#endif
return status;
}
+
+private:
+ /*
+ * Contains the effective clip rect shared by all merged ops. Initialized to the layer viewport,
+ * it will shrink if an op must be clipped on a certain side. The clipped sides are reflected in
+ * mClipSideFlags.
+ */
+ Rect mClipRect;
+ int mClipSideFlags;
};
class StateOpBatch : public Batch {
@@ -297,6 +353,7 @@ void DeferredDisplayList::clear() {
mBatches.clear();
mSaveStack.clear();
mEarliestBatchIndex = 0;
+ mEarliestUnclearedIndex = 0;
}
/////////////////////////////////////////////////////////////////////////////////
@@ -405,18 +462,22 @@ void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) {
return; // quick rejected
}
- int batchId = kOpBatch_None;
- mergeid_t mergeId = (mergeid_t) -1;
- bool mergeable = op->onDefer(renderer, &batchId, &mergeId);
+ DeferInfo deferInfo;
+ op->onDefer(renderer, deferInfo);
// complex clip has a complex set of expectations on the renderer state - for now, avoid taking
// the merge path in those cases
- mergeable &= !recordingComplexClip();
+ deferInfo.mergeable &= !recordingComplexClip();
+
+ if (CC_LIKELY(mAvoidOverdraw) && mBatches.size() &&
+ deferInfo.opaqueOverBounds && op->state.mBounds.contains(mBounds)) {
+ discardDrawingBatches(mBatches.size() - 1);
+ }
if (CC_UNLIKELY(renderer.getCaches().drawReorderDisabled)) {
// TODO: elegant way to reuse batches?
- DrawBatch* b = new DrawBatch(batchId, mergeId);
- b->add(op);
+ DrawBatch* b = new DrawBatch(deferInfo);
+ b->add(op, deferInfo.opaqueOverBounds);
mBatches.add(b);
return;
}
@@ -430,8 +491,8 @@ void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) {
if (!mBatches.isEmpty()) {
if (op->state.mBounds.isEmpty()) {
// don't know the bounds for op, so add to last batch and start from scratch on next op
- DrawBatch* b = new DrawBatch(batchId, mergeId);
- b->add(op);
+ DrawBatch* b = new DrawBatch(deferInfo);
+ b->add(op, deferInfo.opaqueOverBounds);
mBatches.add(b);
resetBatchingState();
#if DEBUG_DEFER
@@ -441,19 +502,19 @@ void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) {
return;
}
- if (mergeable) {
+ if (deferInfo.mergeable) {
// Try to merge with any existing batch with same mergeId.
- if (mMergingBatches[batchId].get(mergeId, targetBatch)) {
+ if (mMergingBatches[deferInfo.batchId].get(deferInfo.mergeId, targetBatch)) {
if (!((MergingDrawBatch*) targetBatch)->canMergeWith(op)) {
targetBatch = NULL;
}
}
} else {
// join with similar, non-merging batch
- targetBatch = (DrawBatch*)mBatchLookup[batchId];
+ targetBatch = (DrawBatch*)mBatchLookup[deferInfo.batchId];
}
- if (targetBatch || mergeable) {
+ if (targetBatch || deferInfo.mergeable) {
// iterate back toward target to see if anything drawn since should overlap the new op
// if no target, merging ops still interate to find similar batch to insert after
for (int i = mBatches.size() - 1; i >= mEarliestBatchIndex; i--) {
@@ -462,7 +523,7 @@ void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) {
if (overBatch == targetBatch) break;
// TODO: also consider shader shared between batch types
- if (batchId == overBatch->getBatchId()) {
+ if (deferInfo.batchId == overBatch->getBatchId()) {
insertBatchIndex = i + 1;
if (!targetBatch) break; // found insert position, quit
}
@@ -484,20 +545,20 @@ void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) {
}
if (!targetBatch) {
- if (mergeable) {
- targetBatch = new MergingDrawBatch(batchId, mergeId);
- mMergingBatches[batchId].put(mergeId, targetBatch);
+ if (deferInfo.mergeable) {
+ targetBatch = new MergingDrawBatch(deferInfo, mBounds);
+ mMergingBatches[deferInfo.batchId].put(deferInfo.mergeId, targetBatch);
} else {
- targetBatch = new DrawBatch(batchId, mergeId);
- mBatchLookup[batchId] = targetBatch;
+ targetBatch = new DrawBatch(deferInfo);
+ mBatchLookup[deferInfo.batchId] = targetBatch;
DEFER_LOGD("creating Batch %p, bid %x, at %d",
- targetBatch, batchId, insertBatchIndex);
+ targetBatch, deferInfo.batchId, insertBatchIndex);
}
mBatches.insertAt(targetBatch, insertBatchIndex);
}
- targetBatch->add(op);
+ targetBatch->add(op, deferInfo.opaqueOverBounds);
}
void DeferredDisplayList::storeStateOpBarrier(OpenGLRenderer& renderer, StateOp* op) {
@@ -529,7 +590,9 @@ static status_t replayBatchList(const Vector<Batch*>& batchList,
status_t status = DrawGlInfo::kStatusDone;
for (unsigned int i = 0; i < batchList.size(); i++) {
- status |= batchList[i]->replay(renderer, dirty, i);
+ if (batchList[i]) {
+ status |= batchList[i]->replay(renderer, dirty, i);
+ }
}
DEFER_LOGD("--flushed, drew %d batches", batchList.size());
return status;
@@ -551,6 +614,13 @@ status_t DeferredDisplayList::flush(OpenGLRenderer& renderer, Rect& dirty) {
DrawModifiers restoreDrawModifiers = renderer.getDrawModifiers();
renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
+ if (CC_LIKELY(mAvoidOverdraw)) {
+ for (unsigned int i = 1; i < mBatches.size(); i++) {
+ if (mBatches[i] && mBatches[i]->coversBounds(mBounds)) {
+ discardDrawingBatches(i - 1);
+ }
+ }
+ }
// NOTE: depth of the save stack at this point, before playback, should be reflected in
// FLUSH_SAVE_STACK_DEPTH, so that save/restores match up correctly
status |= replayBatchList(mBatches, renderer, dirty);
@@ -563,5 +633,16 @@ status_t DeferredDisplayList::flush(OpenGLRenderer& renderer, Rect& dirty) {
return status;
}
+void DeferredDisplayList::discardDrawingBatches(unsigned int maxIndex) {
+ for (unsigned int i = mEarliestUnclearedIndex; i <= maxIndex; i++) {
+ if (mBatches[i] && mBatches[i]->purelyDrawBatch()) {
+ DrawBatch* b = (DrawBatch*) mBatches[i];
+ delete mBatches[i];
+ mBatches.replaceAt(NULL, i);
+ }
+ }
+ mEarliestUnclearedIndex = maxIndex + 1;
+}
+
}; // namespace uirenderer
}; // namespace android
generated by cgit v1.1 at 2025-11-27 09:55:26 +0000