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am 1f3efb11: Don\'t run large virtual displays through HWC

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* commit '1f3efb11ff8c884a254f4272f0d1ee0b77ceff2f':
  Don't run large virtual displays through HWC
This commit is contained in:
Dan Stoza 2014-10-30 20:58:42 +00:00 committed by Android Git Automerger
commit d77021637e
2 changed files with 22 additions and 1 deletions
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6
services/surfaceflinger/Android.mk
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@ -83,6 +83,12 @@ else
LOCAL_CFLAGS += -DPRESENT_TIME_OFFSET_FROM_VSYNC_NS=0
endif
ifneq ($(MAX_VIRTUAL_DISPLAY_DIMENSION),)
LOCAL_CFLAGS += -DMAX_VIRTUAL_DISPLAY_DIMENSION=$(MAX_VIRTUAL_DISPLAY_DIMENSION)
else
LOCAL_CFLAGS += -DMAX_VIRTUAL_DISPLAY_DIMENSION=0
endif
LOCAL_CFLAGS += -fvisibility=hidden -Werror=format
LOCAL_CFLAGS += -std=c++11

17
services/surfaceflinger/SurfaceFlinger.cpp
View File

@ -1332,7 +1332,22 @@ void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
// etc.) but no internal state (i.e. a DisplayDevice).
if (state.surface != NULL) {
hwcDisplayId = allocateHwcDisplayId(state.type);
int width = 0;
int status = state.surface->query(
NATIVE_WINDOW_WIDTH, &width);
ALOGE_IF(status != NO_ERROR,
"Unable to query width (%d)", status);
int height = 0;
status = state.surface->query(
NATIVE_WINDOW_HEIGHT, &height);
ALOGE_IF(status != NO_ERROR,
"Unable to query height (%d)", status);
if (MAX_VIRTUAL_DISPLAY_DIMENSION == 0 ||
(width <= MAX_VIRTUAL_DISPLAY_DIMENSION &&
height <= MAX_VIRTUAL_DISPLAY_DIMENSION)) {
hwcDisplayId = allocateHwcDisplayId(state.type);
}
sp<VirtualDisplaySurface> vds = new VirtualDisplaySurface(
*mHwc, hwcDisplayId, state.surface,
bqProducer, bqConsumer, state.displayName);