Rect SurfaceTexture::getCurrentCrop() const {
Mutex::Autolock lock(mMutex);
Rect outCrop = mCurrentCrop;
if (mCurrentScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP) {
int32_t newWidth = mCurrentCrop.width();
int32_t newHeight = mCurrentCrop.height();
if (newWidth * mDefaultHeight > newHeight * mDefaultWidth) {
newWidth = newHeight * mDefaultWidth / mDefaultHeight;
ST_LOGV("too wide: newWidth = %d", newWidth);
} else if (newWidth * mDefaultHeight < newHeight * mDefaultWidth) {
newHeight = newWidth * mDefaultHeight / mDefaultWidth;
ST_LOGV("too tall: newHeight = %d", newHeight);
}
// The crop is too wide
if (newWidth < mCurrentCrop.width()) {
int32_t dw = (newWidth - mCurrentCrop.width())/2;
outCrop.left -=dw;
outCrop.right += dw;
// The crop is too tall
} else if (newHeight < mCurrentCrop.height()) {
int32_t dh = (newHeight - mCurrentCrop.height())/2;
outCrop.top -= dh;
outCrop.bottom += dh;
}
ST_LOGV("getCurrentCrop final crop [%d,%d,%d,%d]",
outCrop.left, outCrop.top,
outCrop.right,outCrop.bottom);
}
return outCrop;
}
void SurfaceTexture::freeBufferLocked(int slotIndex) {
ST_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
if (slotIndex == mCurrentTexture) {
mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
}
EGLImageKHR img = mEglSlots[slotIndex].mEglImage;
if (img != EGL_NO_IMAGE_KHR) {
ST_LOGV("destroying EGLImage dpy=%p img=%p", mEglDisplay, img);
eglDestroyImageKHR(mEglDisplay, img);
}
mEglSlots[slotIndex].mEglImage = EGL_NO_IMAGE_KHR;
ConsumerBase::freeBufferLocked(slotIndex);
}
SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode,
GLenum texTarget, bool useFenceSync, const sp<BufferQueue> &bufferQueue) :
mCurrentTransform(0),
mCurrentTimestamp(0),
mFilteringEnabled(true),
mTexName(tex),
#ifdef USE_FENCE_SYNC
mUseFenceSync(useFenceSync),
#else
mUseFenceSync(false),
#endif
mTexTarget(texTarget),
mEglDisplay(EGL_NO_DISPLAY),
mEglContext(EGL_NO_CONTEXT),
mAbandoned(false),
mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT),
mAttached(true)
{
// Choose a name using the PID and a process-unique ID.
mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
ST_LOGV("SurfaceTexture");
if (bufferQueue == 0) {
ST_LOGV("Creating a new BufferQueue");
mBufferQueue = new BufferQueue(allowSynchronousMode);
}
else {
mBufferQueue = bufferQueue;
}
memcpy(mCurrentTransformMatrix, mtxIdentity,
sizeof(mCurrentTransformMatrix));
// Note that we can't create an sp<...>(this) in a ctor that will not keep a
// reference once the ctor ends, as that would cause the refcount of 'this'
// dropping to 0 at the end of the ctor. Since all we need is a wp<...>
// that's what we create.
wp<BufferQueue::ConsumerListener> listener;
sp<BufferQueue::ConsumerListener> proxy;
listener = static_cast<BufferQueue::ConsumerListener*>(this);
proxy = new BufferQueue::ProxyConsumerListener(listener);
status_t err = mBufferQueue->consumerConnect(proxy);
if (err != NO_ERROR) {
ST_LOGE("SurfaceTexture: error connecting to BufferQueue: %s (%d)",
strerror(-err), err);
} else {
mBufferQueue->setConsumerName(mName);
mBufferQueue->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
}
}
void SurfaceTexture::onFrameAvailable() {
ST_LOGV("onFrameAvailable");
sp<FrameAvailableListener> listener;
{ // scope for the lock
Mutex::Autolock lock(mMutex);
listener = mFrameAvailableListener;
}
if (listener != NULL) {
ST_LOGV("actually calling onFrameAvailable");
listener->onFrameAvailable();
}
}
status_t GLConsumer::detachFromContext() {
ATRACE_CALL();
#ifndef MTK_DEFAULT_AOSP
ST_LOGI("detachFromContext");
#else
ST_LOGV("detachFromContext");
#endif
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("detachFromContext: abandoned GLConsumer");
return NO_INIT;
}
if (!mAttached) {
ST_LOGE("detachFromContext: GLConsumer is not attached to a "
"context");
return INVALID_OPERATION;
}
EGLDisplay dpy = eglGetCurrentDisplay();
EGLContext ctx = eglGetCurrentContext();
if (mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) {
ST_LOGE("detachFromContext: invalid current EGLDisplay");
return INVALID_OPERATION;
}
if (mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) {
ST_LOGE("detachFromContext: invalid current EGLContext");
return INVALID_OPERATION;
}
if (dpy != EGL_NO_DISPLAY && ctx != EGL_NO_CONTEXT) {
status_t err = syncForReleaseLocked(dpy);
if (err != OK) {
return err;
}
glDeleteTextures(1, &mTexName);
}
// Because we're giving up the EGLDisplay we need to free all the EGLImages
// that are associated with it. They'll be recreated when the
// GLConsumer gets attached to a new OpenGL ES context (and thus gets a
// new EGLDisplay).
for (int i =0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
EGLImageKHR img = mEglSlots[i].mEglImage;
if (img != EGL_NO_IMAGE_KHR) {
eglDestroyImageKHR(mEglDisplay, img);
mEglSlots[i].mEglImage = EGL_NO_IMAGE_KHR;
}
}
mEglDisplay = EGL_NO_DISPLAY;
mEglContext = EGL_NO_CONTEXT;
mAttached = false;
return OK;
}
GLConsumer::GLConsumer(const sp<IGraphicBufferConsumer>& bq, uint32_t tex,
uint32_t texTarget, bool useFenceSync, bool isControlledByApp) :
ConsumerBase(bq, isControlledByApp),
mCurrentTransform(0),
mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
mCurrentFence(Fence::NO_FENCE),
mCurrentTimestamp(0),
mCurrentFrameNumber(0),
mDefaultWidth(1),
mDefaultHeight(1),
mFilteringEnabled(true),
mTexName(tex),
mUseFenceSync(useFenceSync),
mTexTarget(texTarget),
mEglDisplay(EGL_NO_DISPLAY),
mEglContext(EGL_NO_CONTEXT),
mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT),
mAttached(true)
{
#ifndef MTK_DEFAULT_AOSP
ST_LOGI("GLConsumer");
#else
ST_LOGV("GLConsumer");
#endif
memcpy(mCurrentTransformMatrix, mtxIdentity,
sizeof(mCurrentTransformMatrix));
mConsumer->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
}
status_t GLConsumer::bindUnslottedBufferLocked(EGLDisplay dpy) {
ST_LOGV("bindUnslottedBuffer ct=%d ctb=%p",
mCurrentTexture, mCurrentTextureBuf.get());
// Create a temporary EGLImageKHR.
Rect crop;
EGLImageKHR image = createImage(dpy, mCurrentTextureBuf, mCurrentCrop);
if (image == EGL_NO_IMAGE_KHR) {
return UNKNOWN_ERROR;
}
// Attach the current buffer to the GL texture.
glEGLImageTargetTexture2DOES(mTexTarget, (GLeglImageOES)image);
GLint error;
status_t err = OK;
while ((error = glGetError()) != GL_NO_ERROR) {
ST_LOGE("bindUnslottedBuffer: error binding external texture image %p "
"(slot %d): %#04x", image, mCurrentTexture, error);
err = UNKNOWN_ERROR;
}
// We destroy the EGLImageKHR here because the current buffer may no
// longer be associated with one of the buffer slots, so we have
// nowhere to to store it. If the buffer is still associated with a
// slot then another EGLImageKHR will be created next time that buffer
// gets acquired in updateTexImage.
eglDestroyImageKHR(dpy, image);
return err;
}
status_t SurfaceTexture::connect(int api,
uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
ST_LOGV("connect: api=%d", api);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("connect: SurfaceTexture has been abandoned!");
return NO_INIT;
}
int err = NO_ERROR;
switch (api) {
case NATIVE_WINDOW_API_EGL:
case NATIVE_WINDOW_API_CPU:
case NATIVE_WINDOW_API_MEDIA:
case NATIVE_WINDOW_API_CAMERA:
if (mConnectedApi != NO_CONNECTED_API) {
ST_LOGE("connect: already connected (cur=%d, req=%d)",
mConnectedApi, api);
err = -EINVAL;
} else {
mConnectedApi = api;
*outWidth = mDefaultWidth;
*outHeight = mDefaultHeight;
*outTransform = 0;
}
break;
default:
err = -EINVAL;
break;
}
return err;
}
GLConsumer::GLConsumer(GLuint tex, bool allowSynchronousMode,
GLenum texTarget, bool useFenceSync, const sp<BufferQueue> &bufferQueue) :
ConsumerBase(bufferQueue == 0 ? new BufferQueue(allowSynchronousMode) : bufferQueue),
mCurrentTransform(0),
mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
mCurrentFence(Fence::NO_FENCE),
mCurrentTimestamp(0),
mDefaultWidth(1),
mDefaultHeight(1),
mFilteringEnabled(true),
mTexName(tex),
mUseFenceSync(useFenceSync),
mTexTarget(texTarget),
mEglDisplay(EGL_NO_DISPLAY),
mEglContext(EGL_NO_CONTEXT),
mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT),
mAttached(true)
{
ST_LOGV("GLConsumer");
memcpy(mCurrentTransformMatrix, mtxIdentity,
sizeof(mCurrentTransformMatrix));
mBufferQueue->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
}
BufferQueue::BufferQueue( bool allowSynchronousMode, int bufferCount ) :
mDefaultWidth(1),
mDefaultHeight(1),
mPixelFormat(PIXEL_FORMAT_RGBA_8888),
mMinUndequeuedBuffers(bufferCount),
mMinAsyncBufferSlots(bufferCount + 1),
mMinSyncBufferSlots(bufferCount),
mBufferCount(mMinAsyncBufferSlots),
mClientBufferCount(0),
mServerBufferCount(mMinAsyncBufferSlots),
mSynchronousMode(false),
mAllowSynchronousMode(allowSynchronousMode),
mConnectedApi(NO_CONNECTED_API),
mAbandoned(false),
mFrameCounter(0),
mBufferHasBeenQueued(false),
mDefaultBufferFormat(0),
mConsumerUsageBits(0),
mTransformHint(0)
{
// Choose a name using the PID and a process-unique ID.
mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
ST_LOGV("BufferQueue");
sp<ISurfaceComposer> composer(ComposerService::getComposerService());
mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
if (mGraphicBufferAlloc == 0) {
ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()");
}
}
status_t BufferQueue::setSynchronousMode(bool enabled) {
ATRACE_CALL();
ST_LOGV("setSynchronousMode: enabled=%d", enabled);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setSynchronousMode: SurfaceTexture has been abandoned!");
return NO_INIT;
}
status_t err = OK;
if (!mAllowSynchronousMode && enabled)
return err;
if (!enabled) {
// going to asynchronous mode, drain the queue
err = drainQueueLocked();
if (err != NO_ERROR)
return err;
}
if (mSynchronousMode != enabled) {
// - if we're going to asynchronous mode, the queue is guaranteed to be
// empty here
// - if the client set the number of buffers, we're guaranteed that
// we have at least 3 (because we don't allow less)
mSynchronousMode = enabled;
mDequeueCondition.broadcast();
}
return err;
}
status_t BufferQueue::releaseBuffer(int buf, EGLDisplay display,
EGLSyncKHR fence) {
ATRACE_CALL();
ATRACE_BUFFER_INDEX(buf);
Mutex::Autolock _l(mMutex);
if (buf == INVALID_BUFFER_SLOT) {
return -EINVAL;
}
mSlots[buf].mEglDisplay = display;
mSlots[buf].mFence = fence;
// The buffer can now only be released if its in the acquired state
if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) {
mSlots[buf].mBufferState = BufferSlot::FREE;
} else if (mSlots[buf].mNeedsCleanupOnRelease) {
ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState);
mSlots[buf].mNeedsCleanupOnRelease = false;
return STALE_BUFFER_SLOT;
} else {
ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState);
return -EINVAL;
}
mDequeueCondition.broadcast();
return OK;
}
BufferQueue::BufferQueue(bool allowSynchronousMode,
const sp<IGraphicBufferAlloc>& allocator) :
mDefaultWidth(1),
mDefaultHeight(1),
mMaxAcquiredBufferCount(1),
mDefaultMaxBufferCount(2),
mOverrideMaxBufferCount(0),
mSynchronousMode(false),
mAllowSynchronousMode(allowSynchronousMode),
mConnectedApi(NO_CONNECTED_API),
mAbandoned(false),
mFrameCounter(0),
mBufferHasBeenQueued(false),
mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
mConsumerUsageBits(0),
mTransformHint(0)
{
// Choose a name using the PID and a process-unique ID.
mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
ST_LOGV("BufferQueue");
if (allocator == NULL) {
sp<ISurfaceComposer> composer(ComposerService::getComposerService());
mGraphicBufferAlloc = composer->createGraphicBufferAlloc();
if (mGraphicBufferAlloc == 0) {
ST_LOGE("createGraphicBufferAlloc() failed in BufferQueue()");
}
} else {
mGraphicBufferAlloc = allocator;
}
}
void BufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
ATRACE_CALL();
ST_LOGV("cancelBuffer: slot=%d", buf);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGW("cancelBuffer: BufferQueue has been abandoned!");
return;
}
int maxBufferCount = getMaxBufferCountLocked();
if (buf < 0 || buf >= maxBufferCount) {
ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d",
maxBufferCount, buf);
return;
} else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)",
buf, mSlots[buf].mBufferState);
return;
} else if (fence == NULL) {
ST_LOGE("cancelBuffer: fence is NULL");
return;
}
mSlots[buf].mBufferState = BufferSlot::FREE;
mSlots[buf].mFrameNumber = 0;
mSlots[buf].mFence = fence;
mDequeueCondition.broadcast();
}
status_t BufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
ATRACE_CALL();
ST_LOGV("requestBuffer: slot=%d", slot);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("requestBuffer: BufferQueue has been abandoned!");
return NO_INIT;
}
int maxBufferCount = getMaxBufferCountLocked();
if (slot < 0 || maxBufferCount <= slot) {
ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
maxBufferCount, slot);
return BAD_VALUE;
} else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) {
// XXX: I vaguely recall there was some reason this can be valid, but
// for the life of me I can't recall under what circumstances that's
// the case.
ST_LOGE("requestBuffer: slot %d is not owned by the client (state=%d)",
slot, mSlots[slot].mBufferState);
return BAD_VALUE;
}
mSlots[slot].mRequestBufferCalled = true;
*buf = mSlots[slot].mGraphicBuffer;
return NO_ERROR;
}
SurfaceTexture::SurfaceTexture(GLuint tex, bool allowSynchronousMode,
GLenum texTarget, bool useFenceSync, const sp<BufferQueue> &bufferQueue) :
ConsumerBase(bufferQueue == 0 ? new BufferQueue(allowSynchronousMode) : bufferQueue),
mCurrentTransform(0),
mCurrentTimestamp(0),
mFilteringEnabled(true),
mTexName(tex),
#ifdef USE_FENCE_SYNC
mUseFenceSync(useFenceSync),
#else
mUseFenceSync(false),
#endif
mTexTarget(texTarget),
mEglDisplay(EGL_NO_DISPLAY),
mEglContext(EGL_NO_CONTEXT),
mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT),
mAttached(true)
{
ST_LOGV("SurfaceTexture");
memcpy(mCurrentTransformMatrix, mtxIdentity,
sizeof(mCurrentTransformMatrix));
mBufferQueue->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
}
status_t GLConsumer::updateTexImage() {
ATRACE_CALL();
ST_LOGV("updateTexImage");
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("updateTexImage: GLConsumer is abandoned!");
return NO_INIT;
}
// Make sure the EGL state is the same as in previous calls.
status_t err = checkAndUpdateEglStateLocked();
if (err != NO_ERROR) {
return err;
}
BufferQueue::BufferItem item;
// Acquire the next buffer.
// In asynchronous mode the list is guaranteed to be one buffer
// deep, while in synchronous mode we use the oldest buffer.
err = acquireBufferLocked(&item, 0);
if (err != NO_ERROR) {
if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
// We always bind the texture even if we don't update its contents.
ST_LOGV("updateTexImage: no buffers were available");
glBindTexture(mTexTarget, mTexName);
err = NO_ERROR;
} else {
ST_LOGE("updateTexImage: acquire failed: %s (%d)",
strerror(-err), err);
}
return err;
}
// Release the previous buffer.
err = updateAndReleaseLocked(item);
if (err != NO_ERROR) {
// We always bind the texture.
glBindTexture(mTexTarget, mTexName);
return err;
}
// Bind the new buffer to the GL texture, and wait until it's ready.
return bindTextureImageLocked();
}
void GLConsumer::freeBufferLocked(int slotIndex) {
ST_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
if (slotIndex == mCurrentTexture) {
mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
}
EGLImageKHR img = mEglSlots[slotIndex].mEglImage;
if (img != EGL_NO_IMAGE_KHR) {
#ifndef MTK_DEFAULT_AOSP
ST_LOGI("destroying EGLImage dpy=%p img=%p", mEglDisplay, img);
#else
ST_LOGV("destroying EGLImage dpy=%p img=%p", mEglDisplay, img);
#endif
eglDestroyImageKHR(mEglDisplay, img);
}
mEglSlots[slotIndex].mEglImage = EGL_NO_IMAGE_KHR;
ConsumerBase::freeBufferLocked(slotIndex);
}
status_t BufferQueue::setBufferCount(int bufferCount) {
ST_LOGV("setBufferCount: count=%d", bufferCount);
sp<ConsumerListener> listener;
{
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setBufferCount: BufferQueue has been abandoned!");
return NO_INIT;
}
if (bufferCount > NUM_BUFFER_SLOTS) {
ST_LOGE("setBufferCount: bufferCount too large (max %d)",
NUM_BUFFER_SLOTS);
return BAD_VALUE;
}
// Error out if the user has dequeued buffers
int maxBufferCount = getMaxBufferCountLocked();
for (int i=0 ; i<maxBufferCount; i++) {
if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
ST_LOGE("setBufferCount: client owns some buffers");
return -EINVAL;
}
}
const int minBufferSlots = getMinMaxBufferCountLocked();
if (bufferCount == 0) {
mOverrideMaxBufferCount = 0;
mDequeueCondition.broadcast();
return NO_ERROR;
}
if (bufferCount < minBufferSlots) {
ST_LOGE("setBufferCount: requested buffer count (%d) is less than "
"minimum (%d)", bufferCount, minBufferSlots);
return BAD_VALUE;
}
// here we're guaranteed that the client doesn't have dequeued buffers
// and will release all of its buffer references.
//
// XXX: Should this use drainQueueAndFreeBuffersLocked instead?
freeAllBuffersLocked();
mOverrideMaxBufferCount = bufferCount;
mBufferHasBeenQueued = false;
mDequeueCondition.broadcast();
listener = mConsumerListener;
} // scope for lock
if (listener != NULL) {
listener->onBuffersReleased();
}
return NO_ERROR;
}
status_t BufferQueue::setBufferCount(int bufferCount) {
ST_LOGV("setBufferCount: count=%d", bufferCount);
sp<ConsumerListener> listener;
{
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setBufferCount: SurfaceTexture has been abandoned!");
return NO_INIT;
}
if (bufferCount > NUM_BUFFER_SLOTS) {
ST_LOGE("setBufferCount: bufferCount larger than slots available");
return BAD_VALUE;
}
// Error out if the user has dequeued buffers
for (int i=0 ; i<mBufferCount ; i++) {
if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
ST_LOGE("setBufferCount: client owns some buffers");
return -EINVAL;
}
}
const int minBufferSlots = mSynchronousMode ?
mMinSyncBufferSlots : mMinAsyncBufferSlots;
if (bufferCount == 0) {
mClientBufferCount = 0;
bufferCount = (mServerBufferCount >= minBufferSlots) ?
mServerBufferCount : minBufferSlots;
return setBufferCountServerLocked(bufferCount);
}
if (bufferCount < minBufferSlots) {
ST_LOGE("setBufferCount: requested buffer count (%d) is less than "
"minimum (%d)", bufferCount, minBufferSlots);
return BAD_VALUE;
}
// here we're guaranteed that the client doesn't have dequeued buffers
// and will release all of its buffer references.
freeAllBuffersLocked();
mBufferCount = bufferCount;
mClientBufferCount = bufferCount;
mBufferHasBeenQueued = false;
mQueue.clear();
mDequeueCondition.broadcast();
listener = mConsumerListener;
} // scope for lock
if (listener != NULL) {
listener->onBuffersReleased();
}
return OK;
}
status_t SurfaceTexture::setTransform(uint32_t transform) {
ST_LOGV("setTransform: xform=%#x", transform);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setTransform: SurfaceTexture has been abandoned!");
return NO_INIT;
}
mNextTransform = transform;
return OK;
}
status_t BufferQueue::getReleasedBuffers(uint32_t* slotMask) {
ST_LOGV("getReleasedBuffers");
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("getReleasedBuffers: BufferQueue has been abandoned!");
return NO_INIT;
}
uint32_t mask = 0;
for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
if (!mSlots[i].mAcquireCalled) {
mask |= 1 << i;
}
}
*slotMask = mask;
ST_LOGV("getReleasedBuffers: returning mask %#x", mask);
return NO_ERROR;
}
status_t GLConsumer::attachToContext(uint32_t tex) {
ATRACE_CALL();
#ifndef MTK_DEFAULT_AOSP
ST_LOGI("attachToContext");
#else
ST_LOGV("attachToContext");
#endif
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("attachToContext: abandoned GLConsumer");
return NO_INIT;
}
if (mAttached) {
ST_LOGE("attachToContext: GLConsumer is already attached to a "
"context");
return INVALID_OPERATION;
}
EGLDisplay dpy = eglGetCurrentDisplay();
EGLContext ctx = eglGetCurrentContext();
if (dpy == EGL_NO_DISPLAY) {
ST_LOGE("attachToContext: invalid current EGLDisplay");
return INVALID_OPERATION;
}
if (ctx == EGL_NO_CONTEXT) {
ST_LOGE("attachToContext: invalid current EGLContext");
return INVALID_OPERATION;
}
// We need to bind the texture regardless of whether there's a current
// buffer.
glBindTexture(mTexTarget, GLuint(tex));
if (mCurrentTextureBuf != NULL) {
// The EGLImageKHR that was associated with the slot was destroyed when
// the GLConsumer was detached from the old context, so we need to
// recreate it here.
status_t err = bindUnslottedBufferLocked(dpy);
if (err != NO_ERROR) {
return err;
}
}
mEglDisplay = dpy;
mEglContext = ctx;
mTexName = tex;
mAttached = true;
return OK;
}
status_t SurfaceTexture::setCrop(const Rect& crop) {
ST_LOGV("setCrop: crop=[%d,%d,%d,%d]", crop.left, crop.top, crop.right,
crop.bottom);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("setCrop: SurfaceTexture has been abandoned!");
return NO_INIT;
}
mNextCrop = crop;
return OK;
}
status_t BufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) {
ST_LOGV("consumerConnect");
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("consumerConnect: BufferQueue has been abandoned!");
return NO_INIT;
}
mConsumerListener = consumerListener;
return OK;
}
status_t BufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h)
{
ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
if (!w || !h) {
ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
w, h);
return BAD_VALUE;
}
Mutex::Autolock lock(mMutex);
mDefaultWidth = w;
mDefaultHeight = h;
return OK;
}
status_t BufferQueue::consumerDisconnect() {
ST_LOGV("consumerDisconnect");
Mutex::Autolock lock(mMutex);
if (mConsumerListener == NULL) {
ST_LOGE("consumerDisconnect: No consumer is connected!");
return -EINVAL;
}
mAbandoned = true;
mConsumerListener = NULL;
mQueue.clear();
freeAllBuffersLocked();
mDequeueCondition.broadcast();
return OK;
}
status_t SurfaceTexture::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
ST_LOGV("requestBuffer: slot=%d", slot);
Mutex::Autolock lock(mMutex);
if (mAbandoned) {
ST_LOGE("requestBuffer: SurfaceTexture has been abandoned!");
return NO_INIT;
}
if (slot < 0 || mBufferCount <= slot) {
ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
mBufferCount, slot);
return BAD_VALUE;
}
mSlots[slot].mRequestBufferCalled = true;
*buf = mSlots[slot].mGraphicBuffer;
return NO_ERROR;
}
status_t SurfaceTexture::setScalingMode(int mode) {
ST_LOGV("setScalingMode: mode=%d", mode);
switch (mode) {
case NATIVE_WINDOW_SCALING_MODE_FREEZE:
case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
break;
default:
ST_LOGE("unknown scaling mode: %d", mode);
return BAD_VALUE;
}
Mutex::Autolock lock(mMutex);
mNextScalingMode = mode;
return OK;
}
status_t SurfaceTexture::performQcomOperation(int operation, int arg1, int arg2, int arg3)
{
ST_LOGV("SurfaceTexture::performQcomOperation operation=%d", operation);
switch(operation) {
case NATIVE_WINDOW_SET_BUFFERS_SIZE:
mReqSize = arg1;
break;
case NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY:
mNextBufferInfo.width = arg1;
mNextBufferInfo.height = arg2;
mNextBufferInfo.format = arg3;
break;
default: return BAD_VALUE;
};
return OK;
}