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GLConsumer: Add query for current frame number. 

Surface the underlying frame number of the current texture.

Bug: 10830400
Change-Id: Ide3a7da12ea0aac54588beb6bf00dbfe2cd37653
This commit is contained in:
Eino-Ville Talvala 2013-09-19 13:36:07 -07:00
parent c1c05de415
commit d171da973d
2 changed files with 19 additions and 0 deletions
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11
include/gui/GLConsumer.h
View File

@ -141,6 +141,13 @@ public:
// documented by the source.
int64_t getTimestamp();
// getFrameNumber retrieves the frame number associated with the texture
// image set by the most recent call to updateTexImage.
//
// The frame number is an incrementing counter set to 0 at the creation of
// the BufferQueue associated with this consumer.
int64_t getFrameNumber();
// setDefaultBufferSize is used to set the size of buffers returned by
// requestBuffers when a with and height of zero is requested.
// A call to setDefaultBufferSize() may trigger requestBuffers() to
@ -337,6 +344,10 @@ private:
// gets set each time updateTexImage is called.
int64_t mCurrentTimestamp;
// mCurrentFrameNumber is the frame counter for the current texture.
// It gets set each time updateTexImage is called.
int64_t mCurrentFrameNumber;
uint32_t mDefaultWidth, mDefaultHeight;
// mFilteringEnabled indicates whether the transform matrix is computed for

8
libs/gui/GLConsumer.cpp
View File

@ -96,6 +96,7 @@ GLConsumer::GLConsumer(const sp<IGraphicBufferConsumer>& bq, uint32_t tex,
mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
mCurrentFence(Fence::NO_FENCE),
mCurrentTimestamp(0),
mCurrentFrameNumber(0),
mDefaultWidth(1),
mDefaultHeight(1),
mFilteringEnabled(true),
@ -380,6 +381,7 @@ status_t GLConsumer::updateAndReleaseLocked(const BufferQueue::BufferItem& item)
mCurrentScalingMode = item.mScalingMode;
mCurrentTimestamp = item.mTimestamp;
mCurrentFence = item.mFence;
mCurrentFrameNumber = item.mFrameNumber;
computeCurrentTransformMatrixLocked();
@ -819,6 +821,12 @@ nsecs_t GLConsumer::getTimestamp() {
return mCurrentTimestamp;
}
nsecs_t GLConsumer::getFrameNumber() {
ST_LOGV("getFrameNumber");
Mutex::Autolock lock(mMutex);
return mCurrentFrameNumber;
}
EGLImageKHR GLConsumer::createImage(EGLDisplay dpy,
const sp<GraphicBuffer>& graphicBuffer) {
EGLClientBuffer cbuf = (EGLClientBuffer)graphicBuffer->getNativeBuffer();