ADHOC/replicant-frameworks_native
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Fix some const-ness and comments

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mDrawingState doesn't need to be accessed by the
mStateLock, because by definition it's only accessed
from the main thread.

Similarily, the list of layers in the drawing state
cannot change (ie: is const).

Change-Id: I2e5da7f4d8caee7af7802b432cd45cc81c7c08b0
This commit is contained in:
Mathias Agopian 2011-03-11 16:54:47 -08:00
parent 5bf3abefb2
commit 1bbafb9610
2 changed files with 7 additions and 9 deletions
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12
services/surfaceflinger/SurfaceFlinger.cpp
View File

@ -600,7 +600,7 @@ sp<FreezeLock> SurfaceFlinger::getFreezeLock() const
}
void SurfaceFlinger::computeVisibleRegions(
LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion)
const LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion)
{
const GraphicPlane& plane(graphicPlane(0));
const Transform& planeTransform(plane.transform());
@ -735,8 +735,7 @@ void SurfaceFlinger::commitTransaction()
void SurfaceFlinger::handlePageFlip()
{
bool visibleRegions = mVisibleRegionsDirty;
LayerVector& currentLayers(
const_cast<LayerVector&>(mDrawingState.layersSortedByZ));
const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
visibleRegions |= lockPageFlip(currentLayers);
const DisplayHardware& hw = graphicPlane(0).displayHardware();
@ -748,9 +747,8 @@ void SurfaceFlinger::handlePageFlip()
/*
* rebuild the visible layer list
*/
const size_t count = currentLayers.size();
mVisibleLayersSortedByZ.clear();
const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
size_t count = currentLayers.size();
mVisibleLayersSortedByZ.setCapacity(count);
for (size_t i=0 ; i<count ; i++) {
if (!currentLayers[i]->visibleRegionScreen.isEmpty())
@ -2515,7 +2513,7 @@ ssize_t UserClient::getTokenForSurface(const sp<ISurface>& sur) const
}
break;
}
if (++name >= SharedBufferStack::NUM_LAYERS_MAX)
if (++name >= int32_t(SharedBufferStack::NUM_LAYERS_MAX))
name = NO_MEMORY;
} while(name >= 0);
@ -2562,7 +2560,7 @@ sp<GraphicBuffer> GraphicBufferAlloc::createGraphicBuffer(uint32_t w, uint32_t h
void GraphicBufferAlloc::freeAllGraphicBuffersExcept(int bufIdx) {
Mutex::Autolock _l(mLock);
if (0 <= bufIdx && bufIdx < mBuffers.size()) {
if (bufIdx >= 0 && size_t(bufIdx) < mBuffers.size()) {
sp<GraphicBuffer> b(mBuffers[bufIdx]);
mBuffers.clear();
mBuffers.add(b);

4
services/surfaceflinger/SurfaceFlinger.h
View File

@ -304,7 +304,7 @@ private:
Vector< sp<LayerBase> >& ditchedLayers);
void computeVisibleRegions(
LayerVector& currentLayers,
const LayerVector& currentLayers,
Region& dirtyRegion,
Region& wormholeRegion);
@ -371,7 +371,6 @@ private:
// access must be protected by mStateLock
mutable Mutex mStateLock;
State mCurrentState;
State mDrawingState;
volatile int32_t mTransactionFlags;
volatile int32_t mTransactionCount;
Condition mTransactionCV;
@ -395,6 +394,7 @@ private:
// Can only accessed from the main thread, these members
// don't need synchronization
State mDrawingState;
Region mDirtyRegion;
Region mDirtyRegionRemovedLayer;
Region mInvalidRegion;