1 files changed, 35 insertions, 7 deletions

diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index ad7cd25..c3d45ee 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -68,6 +68,8 @@ VirtualDisplaySurface::VirtualDisplaySurface(HWComposer& hwc, int32_t dispId,
     int sinkWidth, sinkHeight;
     sink->query(NATIVE_WINDOW_WIDTH, &sinkWidth);
     sink->query(NATIVE_WINDOW_HEIGHT, &sinkHeight);
+    mSinkBufferWidth = sinkWidth;
+    mSinkBufferHeight = sinkHeight;
 
     // Pick the buffer format to request from the sink when not rendering to it
     // with GLES. If the consumer needs CPU access, use the default format
@@ -104,10 +106,6 @@ status_t VirtualDisplaySurface::beginFrame(bool mustRecompose) {
             "Unexpected beginFrame() in %s state", dbgStateStr());
     mDbgState = DBG_STATE_BEGUN;
 
-    uint32_t transformHint, numPendingBuffers;
-    mQueueBufferOutput.deflate(&mSinkBufferWidth, &mSinkBufferHeight,
-            &transformHint, &numPendingBuffers);
-
     return refreshOutputBuffer();
 }
 
@@ -259,8 +257,20 @@ void VirtualDisplaySurface::onFrameCommitted() {
 void VirtualDisplaySurface::dump(String8& /* result */) const {
 }
 
+void VirtualDisplaySurface::resizeBuffers(const uint32_t w, const uint32_t h) {
+    uint32_t tmpW, tmpH, transformHint, numPendingBuffers;
+    mQueueBufferOutput.deflate(&tmpW, &tmpH, &transformHint, &numPendingBuffers);
+    mQueueBufferOutput.inflate(w, h, transformHint, numPendingBuffers);
+
+    mSinkBufferWidth = w;
+    mSinkBufferHeight = h;
+}
+
 status_t VirtualDisplaySurface::requestBuffer(int pslot,
         sp<GraphicBuffer>* outBuf) {
+    if (mDisplayId < 0)
+        return mSource[SOURCE_SINK]->requestBuffer(pslot, outBuf);
+
     VDS_LOGW_IF(mDbgState != DBG_STATE_GLES,
             "Unexpected requestBuffer pslot=%d in %s state",
             pslot, dbgStateStr());
@@ -275,6 +285,7 @@ status_t VirtualDisplaySurface::setBufferCount(int bufferCount) {
 
 status_t VirtualDisplaySurface::dequeueBuffer(Source source,
         uint32_t format, uint32_t usage, int* sslot, sp<Fence>* fence) {
+    LOG_FATAL_IF(mDisplayId < 0, "mDisplayId=%d but should not be < 0.", mDisplayId);
     // Don't let a slow consumer block us
     bool async = (source == SOURCE_SINK);
 
@@ -319,6 +330,9 @@ status_t VirtualDisplaySurface::dequeueBuffer(Source source,
 
 status_t VirtualDisplaySurface::dequeueBuffer(int* pslot, sp<Fence>* fence, bool async,
         uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
+    if (mDisplayId < 0)
+        return mSource[SOURCE_SINK]->dequeueBuffer(pslot, fence, async, w, h, format, usage);
+
     VDS_LOGW_IF(mDbgState != DBG_STATE_PREPARED,
             "Unexpected dequeueBuffer() in %s state", dbgStateStr());
     mDbgState = DBG_STATE_GLES;
@@ -399,6 +413,9 @@ status_t VirtualDisplaySurface::attachBuffer(int* /* outSlot */,
 
 status_t VirtualDisplaySurface::queueBuffer(int pslot,
         const QueueBufferInput& input, QueueBufferOutput* output) {
+    if (mDisplayId < 0)
+        return mSource[SOURCE_SINK]->queueBuffer(pslot, input, output);
+
     VDS_LOGW_IF(mDbgState != DBG_STATE_GLES,
             "Unexpected queueBuffer(pslot=%d) in %s state", pslot,
             dbgStateStr());
@@ -452,6 +469,9 @@ status_t VirtualDisplaySurface::queueBuffer(int pslot,
 }
 
 void VirtualDisplaySurface::cancelBuffer(int pslot, const sp<Fence>& fence) {
+    if (mDisplayId < 0)
+        return mSource[SOURCE_SINK]->cancelBuffer(mapProducer2SourceSlot(SOURCE_SINK, pslot), fence);
+
     VDS_LOGW_IF(mDbgState != DBG_STATE_GLES,
             "Unexpected cancelBuffer(pslot=%d) in %s state", pslot,
             dbgStateStr());
@@ -462,7 +482,17 @@ void VirtualDisplaySurface::cancelBuffer(int pslot, const sp<Fence>& fence) {
 }
 
 int VirtualDisplaySurface::query(int what, int* value) {
-    return mSource[SOURCE_SINK]->query(what, value);
+    switch (what) {
+        case NATIVE_WINDOW_WIDTH:
+            *value = mSinkBufferWidth;
+            break;
+        case NATIVE_WINDOW_HEIGHT:
+            *value = mSinkBufferHeight;
+            break;
+        default:
+            return mSource[SOURCE_SINK]->query(what, value);
+    }
+    return NO_ERROR;
 }
 
 status_t VirtualDisplaySurface::connect(const sp<IProducerListener>& listener,
@@ -501,8 +531,6 @@ void VirtualDisplaySurface::updateQueueBufferOutput(
 
 void VirtualDisplaySurface::resetPerFrameState() {
     mCompositionType = COMPOSITION_UNKNOWN;
-    mSinkBufferWidth = 0;
-    mSinkBufferHeight = 0;
     mFbFence = Fence::NO_FENCE;
     mOutputFence = Fence::NO_FENCE;
     mOutputProducerSlot = -1;