1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/nativewindow/GonkBufferQueueJB.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1042 @@
1.4 +/*
1.5 + * Copyright (C) 2012 The Android Open Source Project
1.6 + * Copyright (C) 2013 Mozilla Foundation
1.7 + *
1.8 + * Licensed under the Apache License, Version 2.0 (the "License");
1.9 + * you may not use this file except in compliance with the License.
1.10 + * You may obtain a copy of the License at
1.11 + *
1.12 + * http://www.apache.org/licenses/LICENSE-2.0
1.13 + *
1.14 + * Unless required by applicable law or agreed to in writing, software
1.15 + * distributed under the License is distributed on an "AS IS" BASIS,
1.16 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.17 + * See the License for the specific language governing permissions and
1.18 + * limitations under the License.
1.19 + */
1.20 +
1.21 +#define LOG_TAG "GonkBufferQueue"
1.22 +#define ATRACE_TAG ATRACE_TAG_GRAPHICS
1.23 +#define LOG_NDEBUG 0
1.24 +
1.25 +#define GL_GLEXT_PROTOTYPES
1.26 +#define EGL_EGLEXT_PROTOTYPES
1.27 +
1.28 +#include <utils/Log.h>
1.29 +
1.30 +#include "mozilla/layers/GrallocTextureClient.h"
1.31 +#include "mozilla/layers/ImageBridgeChild.h"
1.32 +
1.33 +#include "GonkBufferQueueJB.h"
1.34 +
1.35 +// Macros for including the GonkBufferQueue name in log messages
1.36 +#define ST_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
1.37 +#define ST_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
1.38 +#define ST_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
1.39 +#define ST_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
1.40 +#define ST_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
1.41 +
1.42 +#define ATRACE_BUFFER_INDEX(index)
1.43 +
1.44 +using namespace mozilla;
1.45 +using namespace mozilla::gfx;
1.46 +using namespace mozilla::layers;
1.47 +
1.48 +namespace android {
1.49 +
1.50 +// Get an ID that's unique within this process.
1.51 +static int32_t createProcessUniqueId() {
1.52 + static volatile int32_t globalCounter = 0;
1.53 + return android_atomic_inc(&globalCounter);
1.54 +}
1.55 +
1.56 +static const char* scalingModeName(int scalingMode) {
1.57 + switch (scalingMode) {
1.58 + case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
1.59 + case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
1.60 + case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
1.61 + default: return "Unknown";
1.62 + }
1.63 +}
1.64 +
1.65 +class nsProxyReleaseTask : public Task
1.66 +{
1.67 +public:
1.68 + nsProxyReleaseTask(TextureClient* aClient)
1.69 + : mTextureClient(aClient) {
1.70 + }
1.71 +
1.72 + virtual void Run() MOZ_OVERRIDE
1.73 + {
1.74 + mTextureClient = nullptr;
1.75 + }
1.76 +
1.77 +private:
1.78 + mozilla::RefPtr<TextureClient> mTextureClient;
1.79 +};
1.80 +
1.81 +GonkBufferQueue::GonkBufferQueue(bool allowSynchronousMode,
1.82 + const sp<IGraphicBufferAlloc>& allocator) :
1.83 + mDefaultWidth(1),
1.84 + mDefaultHeight(1),
1.85 + mMaxAcquiredBufferCount(1),
1.86 + mDefaultMaxBufferCount(2),
1.87 + mOverrideMaxBufferCount(0),
1.88 + mSynchronousMode(true), // GonkBufferQueue always works in sync mode.
1.89 + mAllowSynchronousMode(allowSynchronousMode),
1.90 + mConnectedApi(NO_CONNECTED_API),
1.91 + mAbandoned(false),
1.92 + mFrameCounter(0),
1.93 + mBufferHasBeenQueued(false),
1.94 + mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
1.95 + mConsumerUsageBits(0),
1.96 + mTransformHint(0)
1.97 +{
1.98 + // Choose a name using the PID and a process-unique ID.
1.99 + mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
1.100 +
1.101 + ST_LOGV("GonkBufferQueue");
1.102 +}
1.103 +
1.104 +GonkBufferQueue::~GonkBufferQueue() {
1.105 + ST_LOGV("~GonkBufferQueue");
1.106 +}
1.107 +
1.108 +status_t GonkBufferQueue::setDefaultMaxBufferCountLocked(int count) {
1.109 + if (count < 2 || count > NUM_BUFFER_SLOTS)
1.110 + return BAD_VALUE;
1.111 +
1.112 + mDefaultMaxBufferCount = count;
1.113 + mDequeueCondition.broadcast();
1.114 +
1.115 + return NO_ERROR;
1.116 +}
1.117 +
1.118 +bool GonkBufferQueue::isSynchronousMode() const {
1.119 + Mutex::Autolock lock(mMutex);
1.120 + return mSynchronousMode;
1.121 +}
1.122 +
1.123 +void GonkBufferQueue::setConsumerName(const String8& name) {
1.124 + Mutex::Autolock lock(mMutex);
1.125 + mConsumerName = name;
1.126 +}
1.127 +
1.128 +status_t GonkBufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) {
1.129 + Mutex::Autolock lock(mMutex);
1.130 + mDefaultBufferFormat = defaultFormat;
1.131 + return NO_ERROR;
1.132 +}
1.133 +
1.134 +status_t GonkBufferQueue::setConsumerUsageBits(uint32_t usage) {
1.135 + Mutex::Autolock lock(mMutex);
1.136 + mConsumerUsageBits = usage;
1.137 + return NO_ERROR;
1.138 +}
1.139 +
1.140 +status_t GonkBufferQueue::setTransformHint(uint32_t hint) {
1.141 + ST_LOGV("setTransformHint: %02x", hint);
1.142 + Mutex::Autolock lock(mMutex);
1.143 + mTransformHint = hint;
1.144 + return NO_ERROR;
1.145 +}
1.146 +
1.147 +TemporaryRef<TextureClient>
1.148 +GonkBufferQueue::getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
1.149 +{
1.150 + Mutex::Autolock _l(mMutex);
1.151 + if (buffer == NULL) {
1.152 + ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
1.153 + return nullptr;
1.154 + }
1.155 +
1.156 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.157 + if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
1.158 + return mSlots[i].mTextureClient;
1.159 + }
1.160 + }
1.161 + ST_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
1.162 + return nullptr;
1.163 +}
1.164 +
1.165 +int GonkBufferQueue::getSlotFromTextureClientLocked(
1.166 + TextureClient* client) const
1.167 +{
1.168 + if (client == NULL) {
1.169 + ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
1.170 + return BAD_VALUE;
1.171 + }
1.172 +
1.173 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.174 + if (mSlots[i].mTextureClient == client) {
1.175 + return i;
1.176 + }
1.177 + }
1.178 + ST_LOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client);
1.179 + return BAD_VALUE;
1.180 +}
1.181 +
1.182 +
1.183 +status_t GonkBufferQueue::setBufferCount(int bufferCount) {
1.184 + ST_LOGV("setBufferCount: count=%d", bufferCount);
1.185 +
1.186 + sp<ConsumerListener> listener;
1.187 + {
1.188 + Mutex::Autolock lock(mMutex);
1.189 +
1.190 + if (mAbandoned) {
1.191 + ST_LOGE("setBufferCount: GonkBufferQueue has been abandoned!");
1.192 + return NO_INIT;
1.193 + }
1.194 + if (bufferCount > NUM_BUFFER_SLOTS) {
1.195 + ST_LOGE("setBufferCount: bufferCount too large (max %d)",
1.196 + NUM_BUFFER_SLOTS);
1.197 + return BAD_VALUE;
1.198 + }
1.199 +
1.200 + // Error out if the user has dequeued buffers
1.201 + int maxBufferCount = getMaxBufferCountLocked();
1.202 + for (int i=0 ; i<maxBufferCount; i++) {
1.203 + if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
1.204 + ST_LOGE("setBufferCount: client owns some buffers");
1.205 + return -EINVAL;
1.206 + }
1.207 + }
1.208 +
1.209 + const int minBufferSlots = getMinMaxBufferCountLocked();
1.210 + if (bufferCount == 0) {
1.211 + mOverrideMaxBufferCount = 0;
1.212 + mDequeueCondition.broadcast();
1.213 + return NO_ERROR;
1.214 + }
1.215 +
1.216 + if (bufferCount < minBufferSlots) {
1.217 + ST_LOGE("setBufferCount: requested buffer count (%d) is less than "
1.218 + "minimum (%d)", bufferCount, minBufferSlots);
1.219 + return BAD_VALUE;
1.220 + }
1.221 +
1.222 + // here we're guaranteed that the client doesn't have dequeued buffers
1.223 + // and will release all of its buffer references.
1.224 + //
1.225 + // XXX: Should this use drainQueueAndFreeBuffersLocked instead?
1.226 + freeAllBuffersLocked();
1.227 + mOverrideMaxBufferCount = bufferCount;
1.228 + mBufferHasBeenQueued = false;
1.229 + mDequeueCondition.broadcast();
1.230 + listener = mConsumerListener;
1.231 + } // scope for lock
1.232 +
1.233 + if (listener != NULL) {
1.234 + listener->onBuffersReleased();
1.235 + }
1.236 +
1.237 + return NO_ERROR;
1.238 +}
1.239 +
1.240 +int GonkBufferQueue::query(int what, int* outValue)
1.241 +{
1.242 + Mutex::Autolock lock(mMutex);
1.243 +
1.244 + if (mAbandoned) {
1.245 + ST_LOGE("query: GonkBufferQueue has been abandoned!");
1.246 + return NO_INIT;
1.247 + }
1.248 +
1.249 + int value;
1.250 + switch (what) {
1.251 + case NATIVE_WINDOW_WIDTH:
1.252 + value = mDefaultWidth;
1.253 + break;
1.254 + case NATIVE_WINDOW_HEIGHT:
1.255 + value = mDefaultHeight;
1.256 + break;
1.257 + case NATIVE_WINDOW_FORMAT:
1.258 + value = mDefaultBufferFormat;
1.259 + break;
1.260 + case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
1.261 + value = getMinUndequeuedBufferCountLocked();
1.262 + break;
1.263 + case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
1.264 + value = (mQueue.size() >= 2);
1.265 + break;
1.266 + default:
1.267 + return BAD_VALUE;
1.268 + }
1.269 + outValue[0] = value;
1.270 + return NO_ERROR;
1.271 +}
1.272 +
1.273 +status_t GonkBufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
1.274 + ST_LOGV("requestBuffer: slot=%d", slot);
1.275 + Mutex::Autolock lock(mMutex);
1.276 + if (mAbandoned) {
1.277 + ST_LOGE("requestBuffer: GonkBufferQueue has been abandoned!");
1.278 + return NO_INIT;
1.279 + }
1.280 + int maxBufferCount = getMaxBufferCountLocked();
1.281 + if (slot < 0 || maxBufferCount <= slot) {
1.282 + ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
1.283 + maxBufferCount, slot);
1.284 + return BAD_VALUE;
1.285 + } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) {
1.286 + // XXX: I vaguely recall there was some reason this can be valid, but
1.287 + // for the life of me I can't recall under what circumstances that's
1.288 + // the case.
1.289 + ST_LOGE("requestBuffer: slot %d is not owned by the client (state=%d)",
1.290 + slot, mSlots[slot].mBufferState);
1.291 + return BAD_VALUE;
1.292 + }
1.293 + mSlots[slot].mRequestBufferCalled = true;
1.294 + *buf = mSlots[slot].mGraphicBuffer;
1.295 + return NO_ERROR;
1.296 +}
1.297 +
1.298 +status_t GonkBufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence,
1.299 + uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
1.300 + ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage);
1.301 +
1.302 + if ((w && !h) || (!w && h)) {
1.303 + ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
1.304 + return BAD_VALUE;
1.305 + }
1.306 +
1.307 + status_t returnFlags(OK);
1.308 + int buf = INVALID_BUFFER_SLOT;
1.309 +
1.310 + { // Scope for the lock
1.311 + Mutex::Autolock lock(mMutex);
1.312 +
1.313 + if (format == 0) {
1.314 + format = mDefaultBufferFormat;
1.315 + }
1.316 + // turn on usage bits the consumer requested
1.317 + usage |= mConsumerUsageBits;
1.318 +
1.319 + int found = -1;
1.320 + int dequeuedCount = 0;
1.321 + bool tryAgain = true;
1.322 + while (tryAgain) {
1.323 + if (mAbandoned) {
1.324 + ST_LOGE("dequeueBuffer: GonkBufferQueue has been abandoned!");
1.325 + return NO_INIT;
1.326 + }
1.327 +
1.328 + const int maxBufferCount = getMaxBufferCountLocked();
1.329 +
1.330 + // Free up any buffers that are in slots beyond the max buffer
1.331 + // count.
1.332 + //for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
1.333 + // assert(mSlots[i].mBufferState == BufferSlot::FREE);
1.334 + // if (mSlots[i].mGraphicBuffer != NULL) {
1.335 + // freeBufferLocked(i);
1.336 + // returnFlags |= IGraphicBufferProducer::RELEASE_ALL_BUFFERS;
1.337 + // }
1.338 + //}
1.339 +
1.340 + // look for a free buffer to give to the client
1.341 + found = INVALID_BUFFER_SLOT;
1.342 + dequeuedCount = 0;
1.343 + for (int i = 0; i < maxBufferCount; i++) {
1.344 + const int state = mSlots[i].mBufferState;
1.345 + if (state == BufferSlot::DEQUEUED) {
1.346 + dequeuedCount++;
1.347 + }
1.348 +
1.349 + if (state == BufferSlot::FREE) {
1.350 + /* We return the oldest of the free buffers to avoid
1.351 + * stalling the producer if possible. This is because
1.352 + * the consumer may still have pending reads of the
1.353 + * buffers in flight.
1.354 + */
1.355 + if ((found < 0) ||
1.356 + mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
1.357 + found = i;
1.358 + }
1.359 + }
1.360 + }
1.361 +
1.362 + // clients are not allowed to dequeue more than one buffer
1.363 + // if they didn't set a buffer count.
1.364 + if (!mOverrideMaxBufferCount && dequeuedCount) {
1.365 + ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without "
1.366 + "setting the buffer count");
1.367 + return -EINVAL;
1.368 + }
1.369 +
1.370 + // See whether a buffer has been queued since the last
1.371 + // setBufferCount so we know whether to perform the min undequeued
1.372 + // buffers check below.
1.373 + if (mBufferHasBeenQueued) {
1.374 + // make sure the client is not trying to dequeue more buffers
1.375 + // than allowed.
1.376 + const int newUndequeuedCount = maxBufferCount - (dequeuedCount+1);
1.377 + const int minUndequeuedCount = getMinUndequeuedBufferCountLocked();
1.378 + if (newUndequeuedCount < minUndequeuedCount) {
1.379 + ST_LOGE("dequeueBuffer: min undequeued buffer count (%d) "
1.380 + "exceeded (dequeued=%d undequeudCount=%d)",
1.381 + minUndequeuedCount, dequeuedCount,
1.382 + newUndequeuedCount);
1.383 + return -EBUSY;
1.384 + }
1.385 + }
1.386 +
1.387 + // If no buffer is found, wait for a buffer to be released or for
1.388 + // the max buffer count to change.
1.389 + tryAgain = found == INVALID_BUFFER_SLOT;
1.390 + if (tryAgain) {
1.391 + mDequeueCondition.wait(mMutex);
1.392 + }
1.393 + }
1.394 +
1.395 +
1.396 + if (found == INVALID_BUFFER_SLOT) {
1.397 + // This should not happen.
1.398 + ST_LOGE("dequeueBuffer: no available buffer slots");
1.399 + return -EBUSY;
1.400 + }
1.401 +
1.402 + buf = found;
1.403 + *outBuf = found;
1.404 +
1.405 + const bool useDefaultSize = !w && !h;
1.406 + if (useDefaultSize) {
1.407 + // use the default size
1.408 + w = mDefaultWidth;
1.409 + h = mDefaultHeight;
1.410 + }
1.411 +
1.412 + mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
1.413 +
1.414 + const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer);
1.415 + if ((buffer == NULL) ||
1.416 + (uint32_t(buffer->width) != w) ||
1.417 + (uint32_t(buffer->height) != h) ||
1.418 + (uint32_t(buffer->format) != format) ||
1.419 + ((uint32_t(buffer->usage) & usage) != usage))
1.420 + {
1.421 + mSlots[buf].mAcquireCalled = false;
1.422 + mSlots[buf].mGraphicBuffer = NULL;
1.423 + mSlots[buf].mRequestBufferCalled = false;
1.424 + mSlots[buf].mFence = Fence::NO_FENCE;
1.425 + if (mSlots[buf].mTextureClient) {
1.426 + mSlots[buf].mTextureClient->ClearRecycleCallback();
1.427 + // release TextureClient in ImageBridge thread
1.428 + nsProxyReleaseTask* task = new nsProxyReleaseTask(mSlots[buf].mTextureClient);
1.429 + mSlots[buf].mTextureClient = NULL;
1.430 + ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(FROM_HERE, task);
1.431 + }
1.432 + returnFlags |= IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION;
1.433 + }
1.434 +
1.435 + *outFence = mSlots[buf].mFence;
1.436 + mSlots[buf].mFence = Fence::NO_FENCE;
1.437 + } // end lock scope
1.438 +
1.439 + sp<GraphicBuffer> graphicBuffer;
1.440 + if (returnFlags & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
1.441 + RefPtr<GrallocTextureClientOGL> textureClient =
1.442 + new GrallocTextureClientOGL(ImageBridgeChild::GetSingleton(),
1.443 + gfx::SurfaceFormat::UNKNOWN,
1.444 + gfx::BackendType::NONE,
1.445 + TEXTURE_DEALLOCATE_CLIENT);
1.446 + usage |= GraphicBuffer::USAGE_HW_TEXTURE;
1.447 + bool result = textureClient->AllocateGralloc(IntSize(w, h), format, usage);
1.448 + sp<GraphicBuffer> graphicBuffer = textureClient->GetGraphicBuffer();
1.449 + if (!result || !graphicBuffer.get()) {
1.450 + ST_LOGE("dequeueBuffer: failed to alloc gralloc buffer");
1.451 + return -ENOMEM;
1.452 + }
1.453 +
1.454 + { // Scope for the lock
1.455 + Mutex::Autolock lock(mMutex);
1.456 +
1.457 + if (mAbandoned) {
1.458 + ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!");
1.459 + return NO_INIT;
1.460 + }
1.461 +
1.462 + mSlots[buf].mGraphicBuffer = graphicBuffer;
1.463 + mSlots[buf].mTextureClient = textureClient;
1.464 + ST_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
1.465 + mSlots[buf].mGraphicBuffer->handle);
1.466 + //mSlots[*outBuf].mGraphicBuffer = graphicBuffer;
1.467 + }
1.468 + }
1.469 +
1.470 + ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf,
1.471 + mSlots[*outBuf].mGraphicBuffer->handle, returnFlags);
1.472 +
1.473 + return returnFlags;
1.474 +}
1.475 +
1.476 +status_t GonkBufferQueue::setSynchronousMode(bool enabled) {
1.477 + return NO_ERROR;
1.478 +}
1.479 +
1.480 +status_t GonkBufferQueue::queueBuffer(int buf,
1.481 + const QueueBufferInput& input, QueueBufferOutput* output) {
1.482 +
1.483 + Rect crop;
1.484 + uint32_t transform;
1.485 + int scalingMode;
1.486 + int64_t timestamp;
1.487 + sp<Fence> fence;
1.488 +
1.489 + input.deflate(×tamp, &crop, &scalingMode, &transform, &fence);
1.490 +
1.491 +#if ANDROID_VERSION >= 18
1.492 + if (fence == NULL) {
1.493 + ST_LOGE("queueBuffer: fence is NULL");
1.494 + return BAD_VALUE;
1.495 + }
1.496 +#endif
1.497 +
1.498 + ST_LOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x "
1.499 + "scale=%s",
1.500 + buf, timestamp, crop.left, crop.top, crop.right, crop.bottom,
1.501 + transform, scalingModeName(scalingMode));
1.502 +
1.503 + sp<ConsumerListener> listener;
1.504 +
1.505 + { // scope for the lock
1.506 + Mutex::Autolock lock(mMutex);
1.507 + if (mAbandoned) {
1.508 + ST_LOGE("queueBuffer: GonkBufferQueue has been abandoned!");
1.509 + return NO_INIT;
1.510 + }
1.511 + int maxBufferCount = getMaxBufferCountLocked();
1.512 + if (buf < 0 || buf >= maxBufferCount) {
1.513 + ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d",
1.514 + maxBufferCount, buf);
1.515 + return -EINVAL;
1.516 + } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
1.517 + ST_LOGE("queueBuffer: slot %d is not owned by the client "
1.518 + "(state=%d)", buf, mSlots[buf].mBufferState);
1.519 + return -EINVAL;
1.520 + } else if (!mSlots[buf].mRequestBufferCalled) {
1.521 + ST_LOGE("queueBuffer: slot %d was enqueued without requesting a "
1.522 + "buffer", buf);
1.523 + return -EINVAL;
1.524 + }
1.525 +
1.526 + const sp<GraphicBuffer>& graphicBuffer(mSlots[buf].mGraphicBuffer);
1.527 + Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight());
1.528 + Rect croppedCrop;
1.529 + crop.intersect(bufferRect, &croppedCrop);
1.530 + if (croppedCrop != crop) {
1.531 + ST_LOGE("queueBuffer: crop rect is not contained within the "
1.532 + "buffer in slot %d", buf);
1.533 + return -EINVAL;
1.534 + }
1.535 +
1.536 + if (mSynchronousMode) {
1.537 + // In synchronous mode we queue all buffers in a FIFO.
1.538 + mQueue.push_back(buf);
1.539 +
1.540 + // Synchronous mode always signals that an additional frame should
1.541 + // be consumed.
1.542 + listener = mConsumerListener;
1.543 + } else {
1.544 + // In asynchronous mode we only keep the most recent buffer.
1.545 + if (mQueue.empty()) {
1.546 + mQueue.push_back(buf);
1.547 +
1.548 + // Asynchronous mode only signals that a frame should be
1.549 + // consumed if no previous frame was pending. If a frame were
1.550 + // pending then the consumer would have already been notified.
1.551 + listener = mConsumerListener;
1.552 + } else {
1.553 + Fifo::iterator front(mQueue.begin());
1.554 + // buffer currently queued is freed
1.555 + mSlots[*front].mBufferState = BufferSlot::FREE;
1.556 + // and we record the new buffer index in the queued list
1.557 + *front = buf;
1.558 + }
1.559 + }
1.560 +
1.561 + mSlots[buf].mTimestamp = timestamp;
1.562 + mSlots[buf].mCrop = crop;
1.563 + mSlots[buf].mTransform = transform;
1.564 + mSlots[buf].mFence = fence;
1.565 +
1.566 + switch (scalingMode) {
1.567 + case NATIVE_WINDOW_SCALING_MODE_FREEZE:
1.568 + case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
1.569 + case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
1.570 + break;
1.571 + default:
1.572 + ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode);
1.573 + scalingMode = mSlots[buf].mScalingMode;
1.574 + break;
1.575 + }
1.576 +
1.577 + mSlots[buf].mBufferState = BufferSlot::QUEUED;
1.578 + mSlots[buf].mScalingMode = scalingMode;
1.579 + mFrameCounter++;
1.580 + mSlots[buf].mFrameNumber = mFrameCounter;
1.581 +
1.582 + mBufferHasBeenQueued = true;
1.583 + mDequeueCondition.broadcast();
1.584 +
1.585 + output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint,
1.586 + mQueue.size());
1.587 + } // scope for the lock
1.588 +
1.589 + // call back without lock held
1.590 + if (listener != 0) {
1.591 + listener->onFrameAvailable();
1.592 + }
1.593 + return NO_ERROR;
1.594 +}
1.595 +
1.596 +#if ANDROID_VERSION == 17
1.597 +void GonkBufferQueue::cancelBuffer(int buf, sp<Fence> fence) {
1.598 +#else
1.599 +void GonkBufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
1.600 +#endif
1.601 +
1.602 + ST_LOGV("cancelBuffer: slot=%d", buf);
1.603 + Mutex::Autolock lock(mMutex);
1.604 +
1.605 + if (mAbandoned) {
1.606 + ST_LOGW("cancelBuffer: GonkBufferQueue has been abandoned!");
1.607 + return;
1.608 + }
1.609 +
1.610 + int maxBufferCount = getMaxBufferCountLocked();
1.611 + if (buf < 0 || buf >= maxBufferCount) {
1.612 + ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d",
1.613 + maxBufferCount, buf);
1.614 + return;
1.615 + } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
1.616 + ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)",
1.617 + buf, mSlots[buf].mBufferState);
1.618 + return;
1.619 +#if ANDROID_VERSION >= 18
1.620 + } else if (fence == NULL) {
1.621 + ST_LOGE("cancelBuffer: fence is NULL");
1.622 + return;
1.623 +#endif
1.624 + }
1.625 + mSlots[buf].mBufferState = BufferSlot::FREE;
1.626 + mSlots[buf].mFrameNumber = 0;
1.627 + mSlots[buf].mFence = fence;
1.628 + mDequeueCondition.broadcast();
1.629 +}
1.630 +
1.631 +status_t GonkBufferQueue::connect(int api, QueueBufferOutput* output) {
1.632 + ST_LOGV("connect: api=%d", api);
1.633 + Mutex::Autolock lock(mMutex);
1.634 +
1.635 + if (mAbandoned) {
1.636 + ST_LOGE("connect: GonkBufferQueue has been abandoned!");
1.637 + return NO_INIT;
1.638 + }
1.639 +
1.640 + if (mConsumerListener == NULL) {
1.641 + ST_LOGE("connect: GonkBufferQueue has no consumer!");
1.642 + return NO_INIT;
1.643 + }
1.644 +
1.645 + int err = NO_ERROR;
1.646 + switch (api) {
1.647 + case NATIVE_WINDOW_API_EGL:
1.648 + case NATIVE_WINDOW_API_CPU:
1.649 + case NATIVE_WINDOW_API_MEDIA:
1.650 + case NATIVE_WINDOW_API_CAMERA:
1.651 + if (mConnectedApi != NO_CONNECTED_API) {
1.652 + ST_LOGE("connect: already connected (cur=%d, req=%d)",
1.653 + mConnectedApi, api);
1.654 + err = -EINVAL;
1.655 + } else {
1.656 + mConnectedApi = api;
1.657 + output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint,
1.658 + mQueue.size());
1.659 + }
1.660 + break;
1.661 + default:
1.662 + err = -EINVAL;
1.663 + break;
1.664 + }
1.665 +
1.666 + mBufferHasBeenQueued = false;
1.667 +
1.668 + return err;
1.669 +}
1.670 +
1.671 +status_t GonkBufferQueue::disconnect(int api) {
1.672 + ST_LOGV("disconnect: api=%d", api);
1.673 +
1.674 + int err = NO_ERROR;
1.675 + sp<ConsumerListener> listener;
1.676 +
1.677 + { // Scope for the lock
1.678 + Mutex::Autolock lock(mMutex);
1.679 +
1.680 + if (mAbandoned) {
1.681 + // it is not really an error to disconnect after the surface
1.682 + // has been abandoned, it should just be a no-op.
1.683 + return NO_ERROR;
1.684 + }
1.685 +
1.686 + switch (api) {
1.687 + case NATIVE_WINDOW_API_EGL:
1.688 + case NATIVE_WINDOW_API_CPU:
1.689 + case NATIVE_WINDOW_API_MEDIA:
1.690 + case NATIVE_WINDOW_API_CAMERA:
1.691 + if (mConnectedApi == api) {
1.692 + freeAllBuffersLocked();
1.693 + mConnectedApi = NO_CONNECTED_API;
1.694 + mDequeueCondition.broadcast();
1.695 + listener = mConsumerListener;
1.696 + } else {
1.697 + ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)",
1.698 + mConnectedApi, api);
1.699 + err = -EINVAL;
1.700 + }
1.701 + break;
1.702 + default:
1.703 + ST_LOGE("disconnect: unknown API %d", api);
1.704 + err = -EINVAL;
1.705 + break;
1.706 + }
1.707 + }
1.708 +
1.709 + if (listener != NULL) {
1.710 + listener->onBuffersReleased();
1.711 + }
1.712 +
1.713 + return err;
1.714 +}
1.715 +
1.716 +void GonkBufferQueue::dump(String8& result) const
1.717 +{
1.718 + char buffer[1024];
1.719 + GonkBufferQueue::dump(result, "", buffer, 1024);
1.720 +}
1.721 +
1.722 +void GonkBufferQueue::dump(String8& result, const char* prefix,
1.723 + char* buffer, size_t SIZE) const
1.724 +{
1.725 + Mutex::Autolock _l(mMutex);
1.726 +
1.727 + String8 fifo;
1.728 + int fifoSize = 0;
1.729 + Fifo::const_iterator i(mQueue.begin());
1.730 + while (i != mQueue.end()) {
1.731 + snprintf(buffer, SIZE, "%02d ", *i++);
1.732 + fifoSize++;
1.733 + fifo.append(buffer);
1.734 + }
1.735 +
1.736 + int maxBufferCount = getMaxBufferCountLocked();
1.737 +
1.738 + snprintf(buffer, SIZE,
1.739 + "%s-BufferQueue maxBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], "
1.740 + "default-format=%d, transform-hint=%02x, FIFO(%d)={%s}\n",
1.741 + prefix, maxBufferCount, mSynchronousMode, mDefaultWidth,
1.742 + mDefaultHeight, mDefaultBufferFormat, mTransformHint,
1.743 + fifoSize, fifo.string());
1.744 + result.append(buffer);
1.745 +
1.746 +
1.747 + struct {
1.748 + const char * operator()(int state) const {
1.749 + switch (state) {
1.750 + case BufferSlot::DEQUEUED: return "DEQUEUED";
1.751 + case BufferSlot::QUEUED: return "QUEUED";
1.752 + case BufferSlot::FREE: return "FREE";
1.753 + case BufferSlot::ACQUIRED: return "ACQUIRED";
1.754 + default: return "Unknown";
1.755 + }
1.756 + }
1.757 + } stateName;
1.758 +
1.759 + for (int i=0 ; i<maxBufferCount ; i++) {
1.760 + const BufferSlot& slot(mSlots[i]);
1.761 + snprintf(buffer, SIZE,
1.762 + "%s%s[%02d] "
1.763 + "state=%-8s, crop=[%d,%d,%d,%d], "
1.764 + "xform=0x%02x, time=%#llx, scale=%s",
1.765 + prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i,
1.766 + stateName(slot.mBufferState),
1.767 + slot.mCrop.left, slot.mCrop.top, slot.mCrop.right,
1.768 + slot.mCrop.bottom, slot.mTransform, slot.mTimestamp,
1.769 + scalingModeName(slot.mScalingMode)
1.770 + );
1.771 + result.append(buffer);
1.772 +
1.773 + const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
1.774 + if (buf != NULL) {
1.775 + snprintf(buffer, SIZE,
1.776 + ", %p [%4ux%4u:%4u,%3X]",
1.777 + buf->handle, buf->width, buf->height, buf->stride,
1.778 + buf->format);
1.779 + result.append(buffer);
1.780 + }
1.781 + result.append("\n");
1.782 + }
1.783 +}
1.784 +
1.785 +void GonkBufferQueue::freeAllBuffersLocked()
1.786 +{
1.787 + ALOGW_IF(!mQueue.isEmpty(),
1.788 + "freeAllBuffersLocked called but mQueue is not empty");
1.789 + mQueue.clear();
1.790 + mBufferHasBeenQueued = false;
1.791 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.792 + mSlots[i].mGraphicBuffer = 0;
1.793 + if (mSlots[i].mTextureClient) {
1.794 + mSlots[i].mTextureClient->ClearRecycleCallback();
1.795 + // release TextureClient in ImageBridge thread
1.796 + nsProxyReleaseTask* task = new nsProxyReleaseTask(mSlots[i].mTextureClient);
1.797 + mSlots[i].mTextureClient = NULL;
1.798 + ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(FROM_HERE, task);
1.799 + }
1.800 + if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) {
1.801 + mSlots[i].mNeedsCleanupOnRelease = true;
1.802 + }
1.803 + mSlots[i].mBufferState = BufferSlot::FREE;
1.804 + mSlots[i].mFrameNumber = 0;
1.805 + mSlots[i].mAcquireCalled = false;
1.806 + // destroy fence as GonkBufferQueue now takes ownership
1.807 + mSlots[i].mFence = Fence::NO_FENCE;
1.808 + }
1.809 +}
1.810 +
1.811 +status_t GonkBufferQueue::acquireBuffer(BufferItem *buffer) {
1.812 + Mutex::Autolock _l(mMutex);
1.813 +
1.814 + // Check that the consumer doesn't currently have the maximum number of
1.815 + // buffers acquired. We allow the max buffer count to be exceeded by one
1.816 + // buffer, so that the consumer can successfully set up the newly acquired
1.817 + // buffer before releasing the old one.
1.818 + int numAcquiredBuffers = 0;
1.819 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.820 + if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) {
1.821 + numAcquiredBuffers++;
1.822 + }
1.823 + }
1.824 + if (numAcquiredBuffers >= mMaxAcquiredBufferCount+1) {
1.825 + ST_LOGE("acquireBuffer: max acquired buffer count reached: %d (max=%d)",
1.826 + numAcquiredBuffers, mMaxAcquiredBufferCount);
1.827 + return INVALID_OPERATION;
1.828 + }
1.829 +
1.830 + // check if queue is empty
1.831 + // In asynchronous mode the list is guaranteed to be one buffer
1.832 + // deep, while in synchronous mode we use the oldest buffer.
1.833 + if (!mQueue.empty()) {
1.834 + Fifo::iterator front(mQueue.begin());
1.835 + int buf = *front;
1.836 +
1.837 + // In android, when the buffer is aquired by BufferConsumer,
1.838 + // BufferQueue releases a reference to the buffer and
1.839 + // it's ownership moves to the BufferConsumer.
1.840 + // In b2g, GonkBufferQueue continues to have a buffer ownership.
1.841 + // It is necessary to free buffer via ImageBridgeChild.
1.842 +
1.843 + //if (mSlots[buf].mAcquireCalled) {
1.844 + // buffer->mGraphicBuffer = NULL;
1.845 + //} else {
1.846 + // buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer;
1.847 + //}
1.848 + buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer;
1.849 + buffer->mCrop = mSlots[buf].mCrop;
1.850 + buffer->mTransform = mSlots[buf].mTransform;
1.851 + buffer->mScalingMode = mSlots[buf].mScalingMode;
1.852 + buffer->mFrameNumber = mSlots[buf].mFrameNumber;
1.853 + buffer->mTimestamp = mSlots[buf].mTimestamp;
1.854 + buffer->mBuf = buf;
1.855 + buffer->mFence = mSlots[buf].mFence;
1.856 +
1.857 + mSlots[buf].mAcquireCalled = true;
1.858 + mSlots[buf].mNeedsCleanupOnRelease = false;
1.859 + mSlots[buf].mBufferState = BufferSlot::ACQUIRED;
1.860 + mSlots[buf].mFence = Fence::NO_FENCE;
1.861 +
1.862 + mQueue.erase(front);
1.863 + mDequeueCondition.broadcast();
1.864 + } else {
1.865 + return NO_BUFFER_AVAILABLE;
1.866 + }
1.867 +
1.868 + return NO_ERROR;
1.869 +}
1.870 +
1.871 +status_t GonkBufferQueue::releaseBuffer(int buf, const sp<Fence>& fence) {
1.872 + Mutex::Autolock _l(mMutex);
1.873 +
1.874 +#if ANDROID_VERSION == 17
1.875 + if (buf == INVALID_BUFFER_SLOT) {
1.876 +#else
1.877 + if (buf == INVALID_BUFFER_SLOT || fence == NULL) {
1.878 +#endif
1.879 + return BAD_VALUE;
1.880 + }
1.881 +
1.882 + mSlots[buf].mFence = fence;
1.883 +
1.884 + // The buffer can now only be released if its in the acquired state
1.885 + if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) {
1.886 + mSlots[buf].mBufferState = BufferSlot::FREE;
1.887 + } else if (mSlots[buf].mNeedsCleanupOnRelease) {
1.888 + ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState);
1.889 + mSlots[buf].mNeedsCleanupOnRelease = false;
1.890 + return STALE_BUFFER_SLOT;
1.891 + } else {
1.892 + ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState);
1.893 + return -EINVAL;
1.894 + }
1.895 +
1.896 + mDequeueCondition.broadcast();
1.897 + return NO_ERROR;
1.898 +}
1.899 +
1.900 +status_t GonkBufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) {
1.901 + ST_LOGV("consumerConnect");
1.902 + Mutex::Autolock lock(mMutex);
1.903 +
1.904 + if (mAbandoned) {
1.905 + ST_LOGE("consumerConnect: GonkBufferQueue has been abandoned!");
1.906 + return NO_INIT;
1.907 + }
1.908 + if (consumerListener == NULL) {
1.909 + ST_LOGE("consumerConnect: consumerListener may not be NULL");
1.910 + return BAD_VALUE;
1.911 + }
1.912 +
1.913 + mConsumerListener = consumerListener;
1.914 +
1.915 + return NO_ERROR;
1.916 +}
1.917 +
1.918 +status_t GonkBufferQueue::consumerDisconnect() {
1.919 + ST_LOGV("consumerDisconnect");
1.920 + Mutex::Autolock lock(mMutex);
1.921 +
1.922 + if (mConsumerListener == NULL) {
1.923 + ST_LOGE("consumerDisconnect: No consumer is connected!");
1.924 + return -EINVAL;
1.925 + }
1.926 +
1.927 + mAbandoned = true;
1.928 + mConsumerListener = NULL;
1.929 + mQueue.clear();
1.930 + freeAllBuffersLocked();
1.931 + mDequeueCondition.broadcast();
1.932 + return NO_ERROR;
1.933 +}
1.934 +
1.935 +status_t GonkBufferQueue::getReleasedBuffers(uint32_t* slotMask) {
1.936 + ST_LOGV("getReleasedBuffers");
1.937 + Mutex::Autolock lock(mMutex);
1.938 +
1.939 + if (mAbandoned) {
1.940 + ST_LOGE("getReleasedBuffers: GonkBufferQueue has been abandoned!");
1.941 + return NO_INIT;
1.942 + }
1.943 +
1.944 + uint32_t mask = 0;
1.945 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.946 + if (!mSlots[i].mAcquireCalled) {
1.947 + mask |= 1 << i;
1.948 + }
1.949 + }
1.950 + *slotMask = mask;
1.951 +
1.952 + ST_LOGV("getReleasedBuffers: returning mask %#x", mask);
1.953 + return NO_ERROR;
1.954 +}
1.955 +
1.956 +status_t GonkBufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h)
1.957 +{
1.958 + ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
1.959 + if (!w || !h) {
1.960 + ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
1.961 + w, h);
1.962 + return BAD_VALUE;
1.963 + }
1.964 +
1.965 + Mutex::Autolock lock(mMutex);
1.966 + mDefaultWidth = w;
1.967 + mDefaultHeight = h;
1.968 + return NO_ERROR;
1.969 +}
1.970 +
1.971 +status_t GonkBufferQueue::setDefaultMaxBufferCount(int bufferCount) {
1.972 + Mutex::Autolock lock(mMutex);
1.973 + return setDefaultMaxBufferCountLocked(bufferCount);
1.974 +}
1.975 +
1.976 +status_t GonkBufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
1.977 + Mutex::Autolock lock(mMutex);
1.978 + if (maxAcquiredBuffers < 1 || maxAcquiredBuffers > MAX_MAX_ACQUIRED_BUFFERS) {
1.979 + ST_LOGE("setMaxAcquiredBufferCount: invalid count specified: %d",
1.980 + maxAcquiredBuffers);
1.981 + return BAD_VALUE;
1.982 + }
1.983 + if (mConnectedApi != NO_CONNECTED_API) {
1.984 + return INVALID_OPERATION;
1.985 + }
1.986 + mMaxAcquiredBufferCount = maxAcquiredBuffers;
1.987 + return NO_ERROR;
1.988 +}
1.989 +
1.990 +int GonkBufferQueue::getMinMaxBufferCountLocked() const {
1.991 + return getMinUndequeuedBufferCountLocked() + 1;
1.992 +}
1.993 +
1.994 +int GonkBufferQueue::getMinUndequeuedBufferCountLocked() const {
1.995 + return mSynchronousMode ? mMaxAcquiredBufferCount :
1.996 + mMaxAcquiredBufferCount + 1;
1.997 +}
1.998 +
1.999 +int GonkBufferQueue::getMaxBufferCountLocked() const {
1.1000 + int minMaxBufferCount = getMinMaxBufferCountLocked();
1.1001 +
1.1002 + int maxBufferCount = mDefaultMaxBufferCount;
1.1003 + if (maxBufferCount < minMaxBufferCount) {
1.1004 + maxBufferCount = minMaxBufferCount;
1.1005 + }
1.1006 + if (mOverrideMaxBufferCount != 0) {
1.1007 + assert(mOverrideMaxBufferCount >= minMaxBufferCount);
1.1008 + maxBufferCount = mOverrideMaxBufferCount;
1.1009 + }
1.1010 +
1.1011 + // Any buffers that are dequeued by the producer or sitting in the queue
1.1012 + // waiting to be consumed need to have their slots preserved. Such
1.1013 + // buffers will temporarily keep the max buffer count up until the slots
1.1014 + // no longer need to be preserved.
1.1015 + for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
1.1016 + BufferSlot::BufferState state = mSlots[i].mBufferState;
1.1017 + if (state == BufferSlot::QUEUED || state == BufferSlot::DEQUEUED) {
1.1018 + maxBufferCount = i + 1;
1.1019 + }
1.1020 + }
1.1021 +
1.1022 + return maxBufferCount;
1.1023 +}
1.1024 +
1.1025 +GonkBufferQueue::ProxyConsumerListener::ProxyConsumerListener(
1.1026 + const wp<GonkBufferQueue::ConsumerListener>& consumerListener):
1.1027 + mConsumerListener(consumerListener) {}
1.1028 +
1.1029 +GonkBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
1.1030 +
1.1031 +void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable() {
1.1032 + sp<GonkBufferQueue::ConsumerListener> listener(mConsumerListener.promote());
1.1033 + if (listener != NULL) {
1.1034 + listener->onFrameAvailable();
1.1035 + }
1.1036 +}
1.1037 +
1.1038 +void GonkBufferQueue::ProxyConsumerListener::onBuffersReleased() {
1.1039 + sp<GonkBufferQueue::ConsumerListener> listener(mConsumerListener.promote());
1.1040 + if (listener != NULL) {
1.1041 + listener->onBuffersReleased();
1.1042 + }
1.1043 +}
1.1044 +
1.1045 +}; // namespace android
