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-rw-r--r--src/core/SkMultiPictureDraw.cpp51
-rw-r--r--src/gpu/GrLayerCache.cpp53
-rw-r--r--src/gpu/GrLayerCache.h26
-rw-r--r--src/gpu/GrLayerHoister.cpp185
-rw-r--r--src/gpu/GrLayerHoister.h63
-rw-r--r--src/gpu/GrPictureUtils.cpp2
-rw-r--r--src/gpu/SkGpuDevice.cpp27
-rw-r--r--tests/GpuLayerCacheTest.cpp8
8 files changed, 255 insertions, 160 deletions
diff --git a/src/core/SkMultiPictureDraw.cpp b/src/core/SkMultiPictureDraw.cpp
index 19b26ca607..5fe3c0ea52 100644
--- a/src/core/SkMultiPictureDraw.cpp
+++ b/src/core/SkMultiPictureDraw.cpp
@@ -63,7 +63,10 @@ void SkMultiPictureDraw::draw() {
#ifndef SK_IGNORE_GPU_LAYER_HOISTING
GrContext* context = NULL;
- SkTDArray<GrHoistedLayer> atlased, nonAtlased, recycled;
+ // Start by collecting all the layers that are going to be atlased and render
+ // them (if necessary). Hoisting the free floating layers is deferred until
+ // drawing the canvas that requires them.
+ SkTDArray<GrHoistedLayer> atlasedNeedRendering, atlasedRecycled;
for (int i = 0; i < fDrawData.count(); ++i) {
if (fDrawData[i].canvas->getGrContext() &&
@@ -80,28 +83,57 @@ void SkMultiPictureDraw::draw() {
continue;
}
- GrLayerHoister::FindLayersToHoist(context, fDrawData[i].picture,
- clipBounds, &atlased, &nonAtlased, &recycled);
+ // TODO: sorting the cacheable layers from smallest to largest
+ // would improve the packing and reduce the number of swaps
+ // TODO: another optimization would be to make a first pass to
+ // lock any required layer that is already in the atlas
+ GrLayerHoister::FindLayersToAtlas(context, fDrawData[i].picture,
+ clipBounds,
+ &atlasedNeedRendering, &atlasedRecycled);
}
}
- GrReplacements replacements;
-
if (NULL != context) {
- GrLayerHoister::DrawLayers(atlased, nonAtlased, recycled, &replacements);
+ GrLayerHoister::DrawLayersToAtlas(context, atlasedNeedRendering);
}
+
+ SkTDArray<GrHoistedLayer> needRendering, recycled;
#endif
for (int i = 0; i < fDrawData.count(); ++i) {
#ifndef SK_IGNORE_GPU_LAYER_HOISTING
if (fDrawData[i].canvas->getGrContext() &&
!fDrawData[i].paint && fDrawData[i].matrix.isIdentity()) {
- // Render the entire picture using new layers
+
+ SkRect clipBounds;
+ if (!fDrawData[i].canvas->getClipBounds(&clipBounds)) {
+ continue;
+ }
+
+ // Find the layers required by this canvas. It will return atlased
+ // layers in the 'recycled' list since they have already been drawn.
+ GrLayerHoister::FindLayersToHoist(context, fDrawData[i].picture,
+ clipBounds, &needRendering, &recycled);
+
+ GrLayerHoister::DrawLayers(context, needRendering);
+
+ GrReplacements replacements;
+
+ GrLayerHoister::ConvertLayersToReplacements(needRendering, &replacements);
+ GrLayerHoister::ConvertLayersToReplacements(recycled, &replacements);
+
const SkMatrix initialMatrix = fDrawData[i].canvas->getTotalMatrix();
+ // Render the entire picture using new layers
GrRecordReplaceDraw(fDrawData[i].picture, fDrawData[i].canvas,
&replacements, initialMatrix, NULL);
- } else
+
+ GrLayerHoister::UnlockLayers(context, needRendering);
+ GrLayerHoister::UnlockLayers(context, recycled);
+
+ needRendering.rewind();
+ recycled.rewind();
+ } else
#endif
{
fDrawData[i].canvas->drawPicture(fDrawData[i].picture,
@@ -112,7 +144,8 @@ void SkMultiPictureDraw::draw() {
#ifndef SK_IGNORE_GPU_LAYER_HOISTING
if (NULL != context) {
- GrLayerHoister::UnlockLayers(context, atlased, nonAtlased, recycled);
+ GrLayerHoister::UnlockLayers(context, atlasedNeedRendering);
+ GrLayerHoister::UnlockLayers(context, atlasedRecycled);
}
#endif
diff --git a/src/gpu/GrLayerCache.cpp b/src/gpu/GrLayerCache.cpp
index 154c6f3621..ccb5bb0be4 100644
--- a/src/gpu/GrLayerCache.cpp
+++ b/src/gpu/GrLayerCache.cpp
@@ -161,29 +161,29 @@ GrCachedLayer* GrLayerCache::findLayerOrCreate(uint32_t pictureID,
return layer;
}
-bool GrLayerCache::lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool dontAtlas) {
+bool GrLayerCache::tryToAtlas(GrCachedLayer* layer,
+ const GrTextureDesc& desc,
+ bool* needsRendering) {
SkDEBUGCODE(GrAutoValidateLayer avl(fAtlas->getTexture(), layer);)
+ SkASSERT(PlausiblyAtlasable(desc.fWidth, desc.fHeight));
+
if (layer->locked()) {
// This layer is already locked
-#ifdef SK_DEBUG
- if (layer->isAtlased()) {
- // It claims to be atlased
- SkASSERT(!dontAtlas);
- SkASSERT(layer->rect().width() == desc.fWidth);
- SkASSERT(layer->rect().height() == desc.fHeight);
- }
-#endif
- return false;
+ SkASSERT(layer->isAtlased());
+ SkASSERT(layer->rect().width() == desc.fWidth);
+ SkASSERT(layer->rect().height() == desc.fHeight);
+ *needsRendering = false;
+ return true;
}
if (layer->isAtlased()) {
// Hooray it is still in the atlas - make sure it stays there
- SkASSERT(!dontAtlas);
layer->setLocked(true);
this->incPlotLock(layer->plot()->id());
- return false;
- } else if (!dontAtlas && PlausiblyAtlasable(desc.fWidth, desc.fHeight)) {
+ *needsRendering = false;
+ return true;
+ } else {
// Not in the atlas - will it fit?
GrPictureInfo* pictInfo = fPictureHash.find(layer->pictureID());
if (NULL == pictInfo) {
@@ -207,6 +207,7 @@ bool GrLayerCache::lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool do
layer->setPlot(plot);
layer->setLocked(true);
this->incPlotLock(layer->plot()->id());
+ *needsRendering = true;
return true;
}
@@ -218,14 +219,26 @@ bool GrLayerCache::lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool do
}
}
- // The texture wouldn't fit in the cache - give it it's own texture.
- // This path always uses a new scratch texture and (thus) doesn't cache anything.
- // This can yield a lot of re-rendering
+ return false;
+}
+
+bool GrLayerCache::lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool* needsRendering) {
+ if (layer->locked()) {
+ // This layer is already locked
+ *needsRendering = false;
+ return true;
+ }
+
SkAutoTUnref<GrTexture> tex(
fContext->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch));
+ if (!tex) {
+ return false;
+ }
+
layer->setTexture(tex, GrIRect16::MakeWH(SkToS16(desc.fWidth), SkToS16(desc.fHeight)));
layer->setLocked(true);
+ *needsRendering = true;
return true;
}
@@ -275,13 +288,7 @@ void GrLayerCache::validate() const {
layer->validate(fAtlas->getTexture());
const GrPictureInfo* pictInfo = fPictureHash.find(layer->pictureID());
- if (pictInfo) {
- // In aggressive cleanup mode a picture info should only exist if
- // it has some atlased layers
-#if !DISABLE_CACHING
- SkASSERT(!pictInfo->fPlotUsage.isEmpty());
-#endif
- } else {
+ if (!pictInfo) {
// If there is no picture info for this picture then all of its
// layers should be non-atlased.
SkASSERT(!layer->isAtlased());
diff --git a/src/gpu/GrLayerCache.h b/src/gpu/GrLayerCache.h
index adf904f833..58887d6405 100644
--- a/src/gpu/GrLayerCache.h
+++ b/src/gpu/GrLayerCache.h
@@ -208,10 +208,20 @@ public:
const SkMatrix& ctm,
const SkPaint* paint);
- // Inform the cache that layer's cached image is now required.
- // Return true if the layer must be re-rendered. Return false if the
- // layer was found in the cache and can be reused.
- bool lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool dontAtlas);
+ // Attempt to place 'layer' in the atlas. Return true on success; false on failure.
+ // When true is returned, 'needsRendering' will indicate if the layer must be (re)drawn.
+ // Additionally, the GPU resources will be locked.
+ bool tryToAtlas(GrCachedLayer* layer, const GrTextureDesc& desc, bool* needsRendering);
+
+ // Attempt to lock the GPU resources required for a layer. Return true on success;
+ // false on failure. When true is returned 'needsRendering' will indicate if the
+ // layer must be (re)drawn.
+ // Note that atlased layers should already have been locked and rendered so only
+ // free floating layers will have 'needsRendering' set.
+ // Currently, this path always uses a new scratch texture for non-Atlased layers
+ // and (thus) doesn't cache anything. This can yield a lot of re-rendering.
+ // TODO: allow rediscovery of free-floating layers that are still in the resource cache.
+ bool lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool* needsRendering);
// addUse is just here to keep the API symmetric
void addUse(GrCachedLayer* layer) { layer->addUse(); }
@@ -235,6 +245,10 @@ public:
void writeLayersToDisk(const SkString& dirName);
#endif
+ static bool PlausiblyAtlasable(int width, int height) {
+ return width <= kPlotWidth && height <= kPlotHeight;
+ }
+
private:
static const int kAtlasTextureWidth = 1024;
static const int kAtlasTextureHeight = 1024;
@@ -282,10 +296,6 @@ private:
// Remove all the layers (and unlock any resources) associated with 'pictureID'
void purge(uint32_t pictureID);
- static bool PlausiblyAtlasable(int width, int height) {
- return width <= kPlotWidth && height <= kPlotHeight;
- }
-
void purgePlot(GrPlot* plot);
// Try to find a purgeable plot and clear it out. Return true if a plot
diff --git a/src/gpu/GrLayerHoister.cpp b/src/gpu/GrLayerHoister.cpp
index 3ae0e2d45f..272f0446b8 100644
--- a/src/gpu/GrLayerHoister.cpp
+++ b/src/gpu/GrLayerHoister.cpp
@@ -20,9 +20,9 @@ static void prepare_for_hoisting(GrLayerCache* layerCache,
const SkPicture* topLevelPicture,
const GrAccelData::SaveLayerInfo& info,
const SkIRect& layerRect,
- SkTDArray<GrHoistedLayer>* atlased,
- SkTDArray<GrHoistedLayer>* nonAtlased,
- SkTDArray<GrHoistedLayer>* recycled) {
+ SkTDArray<GrHoistedLayer>* needRendering,
+ SkTDArray<GrHoistedLayer>* recycled,
+ bool attemptToAtlas) {
const SkPicture* pict = info.fPicture ? info.fPicture : topLevelPicture;
SkMatrix combined = SkMatrix::Concat(info.fPreMat, info.fLocalMat);
@@ -40,24 +40,28 @@ static void prepare_for_hoisting(GrLayerCache* layerCache,
desc.fConfig = kSkia8888_GrPixelConfig;
// TODO: need to deal with sample count
-
- bool disallowAtlasing = info.fHasNestedLayers || info.fIsNested ||
- (layer->paint() && layer->paint()->getImageFilter());
-
- bool needsRendering = layerCache->lock(layer, desc, disallowAtlasing);
- if (NULL == layer->texture()) {
+ bool locked, needsRendering;
+ if (attemptToAtlas) {
+ locked = layerCache->tryToAtlas(layer, desc, &needsRendering);
+ } else {
+ locked = layerCache->lock(layer, desc, &needsRendering);
+ }
+ if (!locked) {
// GPU resources could not be secured for the hoisting of this layer
return;
}
+ if (attemptToAtlas) {
+ SkASSERT(layer->isAtlased());
+ }
+
GrHoistedLayer* hl;
if (needsRendering) {
- if (layer->isAtlased()) {
- hl = atlased->append();
- } else {
- hl = nonAtlased->append();
+ if (!attemptToAtlas) {
+ SkASSERT(!layer->isAtlased());
}
+ hl = needRendering->append();
} else {
hl = recycled->append();
}
@@ -70,12 +74,13 @@ static void prepare_for_hoisting(GrLayerCache* layerCache,
hl->fPreMat = info.fPreMat;
}
-// Return true if any layers are suitable for hoisting
-bool GrLayerHoister::FindLayersToHoist(GrContext* context,
+// Atlased layers must be small enough to fit in the atlas, not have a
+// paint with an image filter and be neither nested nor nesting.
+// TODO: allow leaf nested layers to appear in the atlas.
+void GrLayerHoister::FindLayersToAtlas(GrContext* context,
const SkPicture* topLevelPicture,
const SkRect& query,
SkTDArray<GrHoistedLayer>* atlased,
- SkTDArray<GrHoistedLayer>* nonAtlased,
SkTDArray<GrHoistedLayer>* recycled) {
GrLayerCache* layerCache = context->getLayerCache();
@@ -85,31 +90,27 @@ bool GrLayerHoister::FindLayersToHoist(GrContext* context,
const SkPicture::AccelData* topLevelData = topLevelPicture->EXPERIMENTAL_getAccelData(key);
if (!topLevelData) {
- return false;
+ return;
}
const GrAccelData *topLevelGPUData = static_cast<const GrAccelData*>(topLevelData);
if (0 == topLevelGPUData->numSaveLayers()) {
- return false;
+ return;
}
- bool anyHoisted = false;
-
- // The layer hoisting code will pre-render and cache an entire layer if most
- // of it is being used (~70%) and it will fit in a texture. This is to allow
- // such layers to be re-used for different clips/tiles.
- // Small layers will additionally be atlased.
- // The only limitation right now is that nested layers are currently not hoisted.
- // Parent layers are hoisted but are never atlased (so that we never swap
- // away from the atlas rendertarget when generating the hoisted layers).
-
atlased->setReserve(atlased->count() + topLevelGPUData->numSaveLayers());
- // Find and prepare for hoisting all the layers that intersect the query rect
for (int i = 0; i < topLevelGPUData->numSaveLayers(); ++i) {
-
const GrAccelData::SaveLayerInfo& info = topLevelGPUData->saveLayerInfo(i);
+ // TODO: ignore perspective projected layers here?
+ bool disallowAtlasing = info.fHasNestedLayers || info.fIsNested ||
+ (info.fPaint && info.fPaint->getImageFilter());
+
+ if (disallowAtlasing) {
+ continue;
+ }
+
SkRect layerRect = SkRect::Make(info.fBounds);
if (!layerRect.intersect(query)) {
continue;
@@ -118,18 +119,55 @@ bool GrLayerHoister::FindLayersToHoist(GrContext* context,
SkIRect ir;
layerRect.roundOut(&ir);
- // TODO: ignore perspective projected layers here!
- // TODO: once this code is more stable unsuitable layers can
- // just be omitted during the optimization stage
- if (info.fIsNested) {
+ if (!GrLayerCache::PlausiblyAtlasable(ir.width(), ir.height())) {
continue;
}
- prepare_for_hoisting(layerCache, topLevelPicture, info, ir, atlased, nonAtlased, recycled);
- anyHoisted = true;
+ prepare_for_hoisting(layerCache, topLevelPicture, info, ir, atlased, recycled, true);
+ }
+
+}
+
+void GrLayerHoister::FindLayersToHoist(GrContext* context,
+ const SkPicture* topLevelPicture,
+ const SkRect& query,
+ SkTDArray<GrHoistedLayer>* needRendering,
+ SkTDArray<GrHoistedLayer>* recycled) {
+ GrLayerCache* layerCache = context->getLayerCache();
+
+ layerCache->processDeletedPictures();
+
+ SkPicture::AccelData::Key key = GrAccelData::ComputeAccelDataKey();
+
+ const SkPicture::AccelData* topLevelData = topLevelPicture->EXPERIMENTAL_getAccelData(key);
+ if (!topLevelData) {
+ return;
+ }
+
+ const GrAccelData *topLevelGPUData = static_cast<const GrAccelData*>(topLevelData);
+ if (0 == topLevelGPUData->numSaveLayers()) {
+ return;
}
- return anyHoisted;
+ // Find and prepare for hoisting all the layers that intersect the query rect
+ for (int i = 0; i < topLevelGPUData->numSaveLayers(); ++i) {
+ const GrAccelData::SaveLayerInfo& info = topLevelGPUData->saveLayerInfo(i);
+ if (info.fIsNested) {
+ // Parent layers are currently hoisted while nested layers are not.
+ continue;
+ }
+
+ SkRect layerRect = SkRect::Make(info.fBounds);
+ if (!layerRect.intersect(query)) {
+ continue;
+ }
+
+ SkIRect ir;
+ layerRect.roundOut(&ir);
+
+ prepare_for_hoisting(layerCache, topLevelPicture, info, ir,
+ needRendering, recycled, false);
+ }
}
static void wrap_texture(GrTexture* texture, int width, int height, SkBitmap* result) {
@@ -138,8 +176,8 @@ static void wrap_texture(GrTexture* texture, int width, int height, SkBitmap* re
result->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (info, texture)))->unref();
}
-static void convert_layers_to_replacements(const SkTDArray<GrHoistedLayer>& layers,
- GrReplacements* replacements) {
+void GrLayerHoister::ConvertLayersToReplacements(const SkTDArray<GrHoistedLayer>& layers,
+ GrReplacements* replacements) {
// TODO: just replace GrReplacements::ReplacementInfo with GrCachedLayer?
for (int i = 0; i < layers.count(); ++i) {
GrCachedLayer* layer = layers[i].fLayer;
@@ -174,12 +212,8 @@ static void convert_layers_to_replacements(const SkTDArray<GrHoistedLayer>& laye
}
}
-void GrLayerHoister::DrawLayers(GrContext* context,
- const SkTDArray<GrHoistedLayer>& atlased,
- const SkTDArray<GrHoistedLayer>& nonAtlased,
- const SkTDArray<GrHoistedLayer>& recycled,
- GrReplacements* replacements) {
- // Render the atlased layers that require it
+void GrLayerHoister::DrawLayersToAtlas(GrContext* context,
+ const SkTDArray<GrHoistedLayer>& atlased) {
if (atlased.count() > 0) {
// All the atlased layers are rendered into the same GrTexture
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
@@ -210,38 +244,34 @@ void GrLayerHoister::DrawLayers(GrContext* context,
atlasCanvas->clipRect(bound);
// Since 'clear' doesn't respect the clip we need to draw a rect
- // TODO: ensure none of the atlased layers contain a clear call!
atlasCanvas->drawRect(bound, clearPaint);
- // info.fCTM maps the layer's top/left to the origin.
+ // '-offset' maps the layer's top/left to the origin.
// Since this layer is atlased, the top/left corner needs
// to be offset to the correct location in the backing texture.
SkMatrix initialCTM;
- initialCTM.setTranslate(SkIntToScalar(-offset.fX),
- SkIntToScalar(-offset.fY));
- initialCTM.postTranslate(bound.fLeft, bound.fTop);
- initialCTM.postConcat(atlased[i].fPreMat);
-
- atlasCanvas->translate(SkIntToScalar(-offset.fX),
- SkIntToScalar(-offset.fY));
- atlasCanvas->translate(bound.fLeft, bound.fTop);
- atlasCanvas->concat(atlased[i].fPreMat);
+ initialCTM.setTranslate(SkIntToScalar(-offset.fX), SkIntToScalar(-offset.fY));
+ initialCTM.preTranslate(bound.fLeft, bound.fTop);
+ initialCTM.preConcat(atlased[i].fPreMat);
+
+ atlasCanvas->setMatrix(initialCTM);
atlasCanvas->concat(atlased[i].fLocalMat);
SkRecordPartialDraw(*pict->fRecord.get(), atlasCanvas, bound,
- layer->start()+1, layer->stop(), initialCTM);
+ layer->start() + 1, layer->stop(), initialCTM);
atlasCanvas->restore();
}
atlasCanvas->flush();
}
+}
- // Render the non-atlased layers that require it
- for (int i = 0; i < nonAtlased.count(); ++i) {
- GrCachedLayer* layer = nonAtlased[i].fLayer;
- const SkPicture* pict = nonAtlased[i].fPicture;
- const SkIPoint& offset = nonAtlased[i].fOffset;
+void GrLayerHoister::DrawLayers(GrContext* context, const SkTDArray<GrHoistedLayer>& layers) {
+ for (int i = 0; i < layers.count(); ++i) {
+ GrCachedLayer* layer = layers[i].fLayer;
+ const SkPicture* pict = layers[i].fPicture;
+ const SkIPoint& offset = layers[i].fOffset;
// Each non-atlased layer has its own GrTexture
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
@@ -252,51 +282,36 @@ void GrLayerHoister::DrawLayers(GrContext* context,
SkASSERT(0 == layer->rect().fLeft && 0 == layer->rect().fTop);
// Add a rect clip to make sure the rendering doesn't
- // extend beyond the boundaries of the atlased sub-rect
+ // extend beyond the boundaries of the layer
SkRect bound = SkRect::MakeXYWH(SkIntToScalar(layer->rect().fLeft),
SkIntToScalar(layer->rect().fTop),
SkIntToScalar(layer->rect().width()),
SkIntToScalar(layer->rect().height()));
- layerCanvas->clipRect(bound); // TODO: still useful?
+ layerCanvas->clipRect(bound);
layerCanvas->clear(SK_ColorTRANSPARENT);
SkMatrix initialCTM;
initialCTM.setTranslate(SkIntToScalar(-offset.fX), SkIntToScalar(-offset.fY));
- initialCTM.postConcat(nonAtlased[i].fPreMat);
+ initialCTM.preConcat(layers[i].fPreMat);
- layerCanvas->translate(SkIntToScalar(-offset.fX), SkIntToScalar(-offset.fY));
- layerCanvas->concat(nonAtlased[i].fPreMat);
- layerCanvas->concat(nonAtlased[i].fLocalMat);
+ layerCanvas->setMatrix(initialCTM);
+ layerCanvas->concat(layers[i].fLocalMat);
SkRecordPartialDraw(*pict->fRecord.get(), layerCanvas, bound,
layer->start()+1, layer->stop(), initialCTM);
layerCanvas->flush();
}
-
- convert_layers_to_replacements(atlased, replacements);
- convert_layers_to_replacements(nonAtlased, replacements);
- convert_layers_to_replacements(recycled, replacements);
}
void GrLayerHoister::UnlockLayers(GrContext* context,
- const SkTDArray<GrHoistedLayer>& atlased,
- const SkTDArray<GrHoistedLayer>& nonAtlased,
- const SkTDArray<GrHoistedLayer>& recycled) {
+ const SkTDArray<GrHoistedLayer>& layers) {
GrLayerCache* layerCache = context->getLayerCache();
- for (int i = 0; i < atlased.count(); ++i) {
- layerCache->removeUse(atlased[i].fLayer);
- }
-
- for (int i = 0; i < nonAtlased.count(); ++i) {
- layerCache->removeUse(nonAtlased[i].fLayer);
- }
-
- for (int i = 0; i < recycled.count(); ++i) {
- layerCache->removeUse(recycled[i].fLayer);
+ for (int i = 0; i < layers.count(); ++i) {
+ layerCache->removeUse(layers[i].fLayer);
}
#if DISABLE_CACHING
diff --git a/src/gpu/GrLayerHoister.h b/src/gpu/GrLayerHoister.h
index 2b2eb0914b..82dd967bb3 100644
--- a/src/gpu/GrLayerHoister.h
+++ b/src/gpu/GrLayerHoister.h
@@ -33,47 +33,60 @@ public:
class GrLayerHoister {
public:
+ /** Find the layers in 'topLevelPicture' that can be atlased. Note that the discovered
+ layers can be inside nested sub-pictures.
+ @param context Owner of the layer cache (the source of new layers)
+ @param topLevelPicture The top-level picture that is about to be rendered
+ @param query The rectangle that is about to be drawn.
+ @param atlasedNeedRendering Out parameter storing the layers that
+ should be hoisted to the atlas
+ @param recycled Out parameter storing layers that are atlased but do not need rendering
+ */
+ static void FindLayersToAtlas(GrContext* context,
+ const SkPicture* topLevelPicture,
+ const SkRect& query,
+ SkTDArray<GrHoistedLayer>* atlasedNeedRendering,
+ SkTDArray<GrHoistedLayer>* recycled);
+
/** Find the layers in 'topLevelPicture' that need hoisting. Note that the discovered
layers can be inside nested sub-pictures.
@param context Owner of the layer cache (the source of new layers)
@param topLevelPicture The top-level picture that is about to be rendered
@param query The rectangle that is about to be drawn.
- @param atlased Out parameter storing the layers that should be hoisted to the atlas
- @param nonAtlased Out parameter storing the layers that should be hoisted stand alone
+ @param needRendering Out parameter storing the layers that need rendering.
+ This should never include atlased layers.
@param recycled Out parameter storing layers that need hoisting but not rendering
- Return true if any layers are suitable for hoisting; false otherwise
*/
- static bool FindLayersToHoist(GrContext* context,
+ static void FindLayersToHoist(GrContext* context,
const SkPicture* topLevelPicture,
const SkRect& query,
- SkTDArray<GrHoistedLayer>* atlased,
- SkTDArray<GrHoistedLayer>* nonAtlased,
+ SkTDArray<GrHoistedLayer>* needRendering,
SkTDArray<GrHoistedLayer>* recycled);
- /** Draw the specified layers into either the atlas or free floating textures.
+ /** Draw the specified layers into the atlas.
+ @param context Owner of the layer cache (and thus the layers)
+ @param layers The layers to be drawn into the atlas
+ */
+ static void DrawLayersToAtlas(GrContext* context, const SkTDArray<GrHoistedLayer>& layers);
+
+ /** Draw the specified layers into their own individual textures.
@param context Owner of the layer cache (and thus the layers)
- @param atlased The layers to be drawn into the atlas
- @param nonAtlased The layers to be drawn into their own textures
- @param recycled Layers that don't need rendering but do need to go into the
- replacements object
- @param replacements The replacement structure to fill in with the rendered layer info
+ @param layers The layers to be drawn
+ */
+ static void DrawLayers(GrContext* context, const SkTDArray<GrHoistedLayer>& layers);
+
+ /** Convert all the layers in 'layers' into replacement objects in 'replacements'.
+ @param layers The hoisted layers
+ @param replacements Replacement object that will be used for a replacement draw
*/
- static void DrawLayers(GrContext* context,
- const SkTDArray<GrHoistedLayer>& atlased,
- const SkTDArray<GrHoistedLayer>& nonAtlased,
- const SkTDArray<GrHoistedLayer>& recycled,
- GrReplacements* replacements);
+ static void ConvertLayersToReplacements(const SkTDArray<GrHoistedLayer>& layers,
+ GrReplacements* replacements);
- /** Unlock unneeded layers in the layer cache.
+ /** Unlock a group of layers in the layer cache.
@param context Owner of the layer cache (and thus the layers)
- @param atlased Unneeded layers in the atlas
- @param nonAtlased Unneeded layers in their own textures
- @param recycled Unneeded layers that did not require rendering
+ @param layers Unneeded layers in the atlas
*/
- static void UnlockLayers(GrContext* context,
- const SkTDArray<GrHoistedLayer>& atlased,
- const SkTDArray<GrHoistedLayer>& nonAtlased,
- const SkTDArray<GrHoistedLayer>& recycled);
+ static void UnlockLayers(GrContext* context, const SkTDArray<GrHoistedLayer>& layers);
};
#endif
diff --git a/src/gpu/GrPictureUtils.cpp b/src/gpu/GrPictureUtils.cpp
index e91980fa10..4cb6dda18b 100644
--- a/src/gpu/GrPictureUtils.cpp
+++ b/src/gpu/GrPictureUtils.cpp
@@ -126,7 +126,7 @@ private:
dst.fBounds = newClip;
dst.fLocalMat = src.fLocalMat;
dst.fPreMat = src.fPreMat;
- dst.fPreMat.preConcat(*fCTM);
+ dst.fPreMat.postConcat(*fCTM);
if (src.fPaint) {
dst.fPaint = SkNEW_ARGS(SkPaint, (*src.fPaint));
}
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 07b7f75e92..086dbdcdbd 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -1816,23 +1816,36 @@ bool SkGpuDevice::EXPERIMENTAL_drawPicture(SkCanvas* mainCanvas, const SkPicture
return true;
}
- SkTDArray<GrHoistedLayer> atlased, nonAtlased, recycled;
+ SkTDArray<GrHoistedLayer> atlasedNeedRendering, atlasedRecycled;
- if (!GrLayerHoister::FindLayersToHoist(fContext, mainPicture, clipBounds,
- &atlased, &nonAtlased, &recycled)) {
- return false;
- }
+ GrLayerHoister::FindLayersToAtlas(fContext, mainPicture,
+ clipBounds,
+ &atlasedNeedRendering, &atlasedRecycled);
+
+ GrLayerHoister::DrawLayersToAtlas(fContext, atlasedNeedRendering);
+
+ SkTDArray<GrHoistedLayer> needRendering, recycled;
+
+ GrLayerHoister::FindLayersToHoist(fContext, mainPicture,
+ clipBounds,
+ &needRendering, &recycled);
+
+ GrLayerHoister::DrawLayers(fContext, needRendering);
GrReplacements replacements;
- GrLayerHoister::DrawLayers(fContext, atlased, nonAtlased, recycled, &replacements);
+ GrLayerHoister::ConvertLayersToReplacements(needRendering, &replacements);
+ GrLayerHoister::ConvertLayersToReplacements(recycled, &replacements);
// Render the entire picture using new layers
const SkMatrix initialMatrix = mainCanvas->getTotalMatrix();
GrRecordReplaceDraw(mainPicture, mainCanvas, &replacements, initialMatrix, NULL);
- GrLayerHoister::UnlockLayers(fContext, atlased, nonAtlased, recycled);
+ GrLayerHoister::UnlockLayers(fContext, needRendering);
+ GrLayerHoister::UnlockLayers(fContext, recycled);
+ GrLayerHoister::UnlockLayers(fContext, atlasedNeedRendering);
+ GrLayerHoister::UnlockLayers(fContext, atlasedRecycled);
return true;
}
diff --git a/tests/GpuLayerCacheTest.cpp b/tests/GpuLayerCacheTest.cpp
index 62f6ec7a8c..0a8d0d2442 100644
--- a/tests/GpuLayerCacheTest.cpp
+++ b/tests/GpuLayerCacheTest.cpp
@@ -66,10 +66,14 @@ static void lock_layer(skiatest::Reporter* reporter,
desc.fHeight = 512;
desc.fConfig = kSkia8888_GrPixelConfig;
- bool needsRerendering = cache->lock(layer, desc, false);
+ bool needsRerendering;
+ bool inAtlas = cache->tryToAtlas(layer, desc, &needsRerendering);
+ if (!inAtlas) {
+ cache->lock(layer, desc, &needsRerendering);
+ }
REPORTER_ASSERT(reporter, needsRerendering);
- needsRerendering = cache->lock(layer, desc, false);
+ cache->lock(layer, desc, &needsRerendering);
REPORTER_ASSERT(reporter, !needsRerendering);
REPORTER_ASSERT(reporter, layer->texture());