1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/gonk/nativewindow/GonkNativeWindowICS.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,687 @@
1.4 +/*
1.5 + * Copyright (C) 2010 The Android Open Source Project
1.6 + * Copyright (C) 2012-2013 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 +#include "base/basictypes.h"
1.22 +#include "mozilla/layers/GrallocTextureClient.h"
1.23 +#include "mozilla/layers/ImageBridgeChild.h"
1.24 +#include "mozilla/layers/ShadowLayers.h"
1.25 +#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
1.26 +#include "GonkNativeWindow.h"
1.27 +#include "nsDebug.h"
1.28 +
1.29 +/**
1.30 + * DOM_CAMERA_LOGI() is enabled in debug builds, and turned on by setting
1.31 + * NSPR_LOG_MODULES=Camera:N environment variable, where N >= 3.
1.32 + *
1.33 + * CNW_LOGE() is always enabled.
1.34 + */
1.35 +#define CNW_LOGD(...) DOM_CAMERA_LOGI(__VA_ARGS__)
1.36 +#define CNW_LOGE(...) {(void)printf_stderr(__VA_ARGS__);}
1.37 +
1.38 +using namespace android;
1.39 +using namespace mozilla;
1.40 +using namespace mozilla::gfx;
1.41 +using namespace mozilla::layers;
1.42 +
1.43 +class nsProxyReleaseTask : public CancelableTask
1.44 +{
1.45 +public:
1.46 + nsProxyReleaseTask(TextureClient* aClient)
1.47 + : mTextureClient(aClient) {
1.48 + }
1.49 +
1.50 + virtual void Run() MOZ_OVERRIDE
1.51 + {
1.52 + mTextureClient = nullptr;
1.53 + }
1.54 +
1.55 + virtual void Cancel() MOZ_OVERRIDE {}
1.56 +
1.57 +private:
1.58 + mozilla::RefPtr<TextureClient> mTextureClient;
1.59 +};
1.60 +
1.61 +GonkNativeWindow::GonkNativeWindow() :
1.62 + mAbandoned(false),
1.63 + mDefaultWidth(1),
1.64 + mDefaultHeight(1),
1.65 + mPixelFormat(PIXEL_FORMAT_RGBA_8888),
1.66 + mBufferCount(MIN_BUFFER_SLOTS + 1),
1.67 + mConnectedApi(NO_CONNECTED_API),
1.68 + mFrameCounter(0),
1.69 + mNewFrameCallback(nullptr) {
1.70 +}
1.71 +
1.72 +GonkNativeWindow::~GonkNativeWindow() {
1.73 + freeAllBuffersLocked();
1.74 +}
1.75 +
1.76 +void GonkNativeWindow::abandon()
1.77 +{
1.78 + CNW_LOGD("abandon");
1.79 + Mutex::Autolock lock(mMutex);
1.80 + mQueue.clear();
1.81 + mAbandoned = true;
1.82 + freeAllBuffersLocked();
1.83 + mDequeueCondition.signal();
1.84 +}
1.85 +
1.86 +void GonkNativeWindow::freeAllBuffersLocked()
1.87 +{
1.88 + CNW_LOGD("freeAllBuffersLocked");
1.89 +
1.90 + for (int i = 0; i < NUM_BUFFER_SLOTS; ++i) {
1.91 + if (mSlots[i].mGraphicBuffer != NULL) {
1.92 + if (mSlots[i].mTextureClient) {
1.93 + mSlots[i].mTextureClient->ClearRecycleCallback();
1.94 + // release TextureClient in ImageBridge thread
1.95 + nsProxyReleaseTask* task = new nsProxyReleaseTask(mSlots[i].mTextureClient);
1.96 + mSlots[i].mTextureClient = NULL;
1.97 + ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(FROM_HERE, task);
1.98 + }
1.99 + mSlots[i].mGraphicBuffer = NULL;
1.100 + mSlots[i].mBufferState = BufferSlot::FREE;
1.101 + mSlots[i].mFrameNumber = 0;
1.102 + }
1.103 + }
1.104 +}
1.105 +
1.106 +void GonkNativeWindow::clearRenderingStateBuffersLocked()
1.107 +{
1.108 + CNW_LOGD("clearRenderingStateBuffersLocked");
1.109 +
1.110 + for (int i = 0; i < NUM_BUFFER_SLOTS; ++i) {
1.111 + if (mSlots[i].mGraphicBuffer != NULL) {
1.112 + // Clear RENDERING state buffer
1.113 + if (mSlots[i].mBufferState == BufferSlot::RENDERING) {
1.114 + if (mSlots[i].mTextureClient) {
1.115 + mSlots[i].mTextureClient->ClearRecycleCallback();
1.116 + // release TextureClient in ImageBridge thread
1.117 + nsProxyReleaseTask* task = new nsProxyReleaseTask(mSlots[i].mTextureClient);
1.118 + mSlots[i].mTextureClient = NULL;
1.119 + ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(FROM_HERE, task);
1.120 + }
1.121 + mSlots[i].mGraphicBuffer = NULL;
1.122 + mSlots[i].mBufferState = BufferSlot::FREE;
1.123 + mSlots[i].mFrameNumber = 0;
1.124 + }
1.125 + }
1.126 + }
1.127 +}
1.128 +
1.129 +status_t GonkNativeWindow::setBufferCount(int bufferCount)
1.130 +{
1.131 + CNW_LOGD("setBufferCount: count=%d", bufferCount);
1.132 + Mutex::Autolock lock(mMutex);
1.133 +
1.134 + if (mAbandoned) {
1.135 + CNW_LOGE("setBufferCount: GonkNativeWindow has been abandoned!");
1.136 + return NO_INIT;
1.137 + }
1.138 +
1.139 + if (bufferCount > NUM_BUFFER_SLOTS) {
1.140 + CNW_LOGE("setBufferCount: bufferCount larger than slots available");
1.141 + return BAD_VALUE;
1.142 + }
1.143 +
1.144 + if (bufferCount < MIN_BUFFER_SLOTS) {
1.145 + CNW_LOGE("setBufferCount: requested buffer count (%d) is less than "
1.146 + "minimum (%d)", bufferCount, MIN_BUFFER_SLOTS);
1.147 + return BAD_VALUE;
1.148 + }
1.149 +
1.150 + // Error out if the user has dequeued buffers.
1.151 + for (int i=0 ; i<mBufferCount ; i++) {
1.152 + if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
1.153 + CNW_LOGE("setBufferCount: client owns some buffers");
1.154 + return -EINVAL;
1.155 + }
1.156 + }
1.157 +
1.158 + if (bufferCount >= mBufferCount) {
1.159 + mBufferCount = bufferCount;
1.160 + //clear only buffers in RENDERING state.
1.161 + clearRenderingStateBuffersLocked();
1.162 + mQueue.clear();
1.163 + mDequeueCondition.signal();
1.164 + return OK;
1.165 + }
1.166 +
1.167 + // here we're guaranteed that the client doesn't have dequeued buffers
1.168 + // and will release all of its buffer references.
1.169 + freeAllBuffersLocked();
1.170 + mBufferCount = bufferCount;
1.171 + mQueue.clear();
1.172 + mDequeueCondition.signal();
1.173 + return OK;
1.174 +}
1.175 +
1.176 +status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h)
1.177 +{
1.178 + CNW_LOGD("setDefaultBufferSize: w=%d, h=%d", w, h);
1.179 + if (!w || !h) {
1.180 + CNW_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
1.181 + w, h);
1.182 + return BAD_VALUE;
1.183 + }
1.184 +
1.185 + Mutex::Autolock lock(mMutex);
1.186 + mDefaultWidth = w;
1.187 + mDefaultHeight = h;
1.188 + return OK;
1.189 +}
1.190 +
1.191 +status_t GonkNativeWindow::requestBuffer(int slot, sp<GraphicBuffer>* buf)
1.192 +{
1.193 + CNW_LOGD("requestBuffer: slot=%d", slot);
1.194 + Mutex::Autolock lock(mMutex);
1.195 + if (mAbandoned) {
1.196 + CNW_LOGE("requestBuffer: GonkNativeWindow has been abandoned!");
1.197 + return NO_INIT;
1.198 + }
1.199 + if (slot < 0 || mBufferCount <= slot) {
1.200 + CNW_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
1.201 + mBufferCount, slot);
1.202 + return BAD_VALUE;
1.203 + }
1.204 + mSlots[slot].mRequestBufferCalled = true;
1.205 + *buf = mSlots[slot].mGraphicBuffer;
1.206 + return NO_ERROR;
1.207 +}
1.208 +
1.209 +status_t GonkNativeWindow::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h,
1.210 + uint32_t format, uint32_t usage)
1.211 +{
1.212 + if ((w && !h) || (!w && h)) {
1.213 + CNW_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
1.214 + return BAD_VALUE;
1.215 + }
1.216 +
1.217 + status_t returnFlags(OK);
1.218 + bool updateFormat = false;
1.219 + bool alloc = false;
1.220 + int buf = INVALID_BUFFER_SLOT;
1.221 +
1.222 + {
1.223 + Mutex::Autolock lock(mMutex);
1.224 +
1.225 + int found = -1;
1.226 + int dequeuedCount = 0;
1.227 + int renderingCount = 0;
1.228 + bool tryAgain = true;
1.229 +
1.230 + CNW_LOGD("dequeueBuffer: E");
1.231 + while (tryAgain) {
1.232 + if (mAbandoned) {
1.233 + CNW_LOGE("dequeueBuffer: GonkNativeWindow has been abandoned!");
1.234 + return NO_INIT;
1.235 + }
1.236 + // look for a free buffer to give to the client
1.237 + found = INVALID_BUFFER_SLOT;
1.238 + dequeuedCount = 0;
1.239 + renderingCount = 0;
1.240 + for (int i = 0; i < mBufferCount; i++) {
1.241 + const int state = mSlots[i].mBufferState;
1.242 + switch (state) {
1.243 + case BufferSlot::DEQUEUED:
1.244 + CNW_LOGD("dequeueBuffer: slot %d is DEQUEUED\n", i);
1.245 + dequeuedCount++;
1.246 + break;
1.247 +
1.248 + case BufferSlot::RENDERING:
1.249 + CNW_LOGD("dequeueBuffer: slot %d is RENDERING\n", i);
1.250 + renderingCount++;
1.251 + break;
1.252 +
1.253 + case BufferSlot::FREE:
1.254 + CNW_LOGD("dequeueBuffer: slot %d is FREE\n", i);
1.255 + /* We return the oldest of the free buffers to avoid
1.256 + * stalling the producer if possible. This is because
1.257 + * the consumer may still have pending reads of the
1.258 + * buffers in flight.
1.259 + */
1.260 + if (found < 0 ||
1.261 + mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
1.262 + found = i;
1.263 + }
1.264 + break;
1.265 +
1.266 + default:
1.267 + CNW_LOGD("dequeueBuffer: slot %d is %d\n", i, state);
1.268 + break;
1.269 + }
1.270 + }
1.271 +
1.272 + // See whether a buffer has been in RENDERING state since the last
1.273 + // setBufferCount so we know whether to perform the
1.274 + // MIN_UNDEQUEUED_BUFFERS check below.
1.275 + if (renderingCount > 0) {
1.276 + // make sure the client is not trying to dequeue more buffers
1.277 + // than allowed.
1.278 + const int avail = mBufferCount - (dequeuedCount + 1);
1.279 + if (avail < MIN_UNDEQUEUED_BUFFERS) {
1.280 + CNW_LOGE("dequeueBuffer: MIN_UNDEQUEUED_BUFFERS=%d exceeded "
1.281 + "(dequeued=%d)",
1.282 + MIN_UNDEQUEUED_BUFFERS,
1.283 + dequeuedCount);
1.284 + return -EBUSY;
1.285 + }
1.286 + }
1.287 +
1.288 + // we're in synchronous mode and didn't find a buffer, we need to
1.289 + // wait for some buffers to be consumed
1.290 + tryAgain = (found == INVALID_BUFFER_SLOT);
1.291 + if (tryAgain) {
1.292 + CNW_LOGD("dequeueBuffer: Try again");
1.293 + mDequeueCondition.wait(mMutex);
1.294 + CNW_LOGD("dequeueBuffer: Now");
1.295 + }
1.296 + }
1.297 +
1.298 + if (found == INVALID_BUFFER_SLOT) {
1.299 + // This should not happen.
1.300 + CNW_LOGE("dequeueBuffer: no available buffer slots");
1.301 + return -EBUSY;
1.302 + }
1.303 +
1.304 + buf = found;
1.305 + *outBuf = found;
1.306 +
1.307 + const bool useDefaultSize = !w && !h;
1.308 + if (useDefaultSize) {
1.309 + // use the default size
1.310 + w = mDefaultWidth;
1.311 + h = mDefaultHeight;
1.312 + }
1.313 +
1.314 + updateFormat = (format != 0);
1.315 + if (!updateFormat) {
1.316 + // keep the current (or default) format
1.317 + format = mPixelFormat;
1.318 + }
1.319 +
1.320 + mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
1.321 +
1.322 + const sp<GraphicBuffer>& gbuf(mSlots[buf].mGraphicBuffer);
1.323 + if ((gbuf == NULL) ||
1.324 + ((uint32_t(gbuf->width) != w) ||
1.325 + (uint32_t(gbuf->height) != h) ||
1.326 + (uint32_t(gbuf->format) != format) ||
1.327 + ((uint32_t(gbuf->usage) & usage) != usage))) {
1.328 + mSlots[buf].mGraphicBuffer = NULL;
1.329 + mSlots[buf].mRequestBufferCalled = false;
1.330 + if (mSlots[buf].mTextureClient) {
1.331 + mSlots[buf].mTextureClient->ClearRecycleCallback();
1.332 + // release TextureClient in ImageBridge thread
1.333 + nsProxyReleaseTask* task = new nsProxyReleaseTask(mSlots[buf].mTextureClient);
1.334 + mSlots[buf].mTextureClient = NULL;
1.335 + ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(FROM_HERE, task);
1.336 + }
1.337 + alloc = true;
1.338 + }
1.339 + } // end lock scope
1.340 +
1.341 + sp<GraphicBuffer> graphicBuffer;
1.342 + if (alloc) {
1.343 + RefPtr<GrallocTextureClientOGL> textureClient =
1.344 + new GrallocTextureClientOGL(ImageBridgeChild::GetSingleton(),
1.345 + gfx::SurfaceFormat::UNKNOWN,
1.346 + gfx::BackendType::NONE,
1.347 + TEXTURE_DEALLOCATE_CLIENT);
1.348 + usage |= GraphicBuffer::USAGE_HW_TEXTURE;
1.349 + bool result = textureClient->AllocateGralloc(IntSize(w, h), format, usage);
1.350 + sp<GraphicBuffer> graphicBuffer = textureClient->GetGraphicBuffer();
1.351 + if (!result || !graphicBuffer.get()) {
1.352 + CNW_LOGE("dequeueBuffer: failed to alloc gralloc buffer");
1.353 + return -ENOMEM;
1.354 + }
1.355 +
1.356 + { // Scope for the lock
1.357 + Mutex::Autolock lock(mMutex);
1.358 +
1.359 + if (mAbandoned) {
1.360 + CNW_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!");
1.361 + return NO_INIT;
1.362 + }
1.363 +
1.364 + if (updateFormat) {
1.365 + mPixelFormat = format;
1.366 + }
1.367 + mSlots[buf].mGraphicBuffer = graphicBuffer;
1.368 + mSlots[buf].mTextureClient = textureClient;
1.369 +
1.370 + returnFlags |= ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
1.371 +
1.372 + CNW_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
1.373 + mSlots[buf].mGraphicBuffer->handle);
1.374 + }
1.375 + }
1.376 +
1.377 + CNW_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
1.378 + mSlots[buf].mGraphicBuffer->handle );
1.379 +
1.380 + CNW_LOGD("dequeueBuffer: X");
1.381 + return returnFlags;
1.382 +}
1.383 +
1.384 +status_t GonkNativeWindow::setSynchronousMode(bool enabled)
1.385 +{
1.386 + return NO_ERROR;
1.387 +}
1.388 +
1.389 +int GonkNativeWindow::getSlotFromBufferLocked(
1.390 + android_native_buffer_t* buffer) const
1.391 +{
1.392 + if (buffer == NULL) {
1.393 + CNW_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
1.394 + return BAD_VALUE;
1.395 + }
1.396 +
1.397 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.398 + if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
1.399 + return i;
1.400 + }
1.401 + }
1.402 + CNW_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
1.403 + return BAD_VALUE;
1.404 +}
1.405 +
1.406 +int GonkNativeWindow::getSlotFromTextureClientLocked(
1.407 + TextureClient* client) const
1.408 +{
1.409 + if (client == NULL) {
1.410 + CNW_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
1.411 + return BAD_VALUE;
1.412 + }
1.413 +
1.414 + for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
1.415 + if (mSlots[i].mTextureClient == client) {
1.416 + return i;
1.417 + }
1.418 + }
1.419 + CNW_LOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client);
1.420 + return BAD_VALUE;
1.421 +}
1.422 +
1.423 +TemporaryRef<TextureClient>
1.424 +GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
1.425 +{
1.426 + int buf = getSlotFromBufferLocked(buffer);
1.427 + if (buf < 0 || buf >= mBufferCount ||
1.428 + mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
1.429 + return nullptr;
1.430 + }
1.431 +
1.432 + return mSlots[buf].mTextureClient;
1.433 +}
1.434 +
1.435 +status_t GonkNativeWindow::queueBuffer(int buf, int64_t timestamp,
1.436 + uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform)
1.437 +{
1.438 + {
1.439 + Mutex::Autolock lock(mMutex);
1.440 + CNW_LOGD("queueBuffer: E");
1.441 + CNW_LOGD("queueBuffer: buf=%d", buf);
1.442 +
1.443 + if (mAbandoned) {
1.444 + CNW_LOGE("queueBuffer: GonkNativeWindow has been abandoned!");
1.445 + return NO_INIT;
1.446 + }
1.447 + if (buf < 0 || buf >= mBufferCount) {
1.448 + CNW_LOGE("queueBuffer: slot index out of range [0, %d]: %d",
1.449 + mBufferCount, buf);
1.450 + return -EINVAL;
1.451 + } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
1.452 + CNW_LOGE("queueBuffer: slot %d is not owned by the client "
1.453 + "(state=%d)", buf, mSlots[buf].mBufferState);
1.454 + return -EINVAL;
1.455 + } else if (!mSlots[buf].mRequestBufferCalled) {
1.456 + CNW_LOGE("queueBuffer: slot %d was enqueued without requesting a "
1.457 + "buffer", buf);
1.458 + return -EINVAL;
1.459 + }
1.460 +
1.461 + mQueue.push_back(buf);
1.462 +
1.463 + mSlots[buf].mBufferState = BufferSlot::QUEUED;
1.464 + mSlots[buf].mTimestamp = timestamp;
1.465 + mFrameCounter++;
1.466 + mSlots[buf].mFrameNumber = mFrameCounter;
1.467 +
1.468 + mDequeueCondition.signal();
1.469 +
1.470 + *outWidth = mDefaultWidth;
1.471 + *outHeight = mDefaultHeight;
1.472 + *outTransform = 0;
1.473 + }
1.474 +
1.475 + // OnNewFrame might call lockCurrentBuffer so we must release the
1.476 + // mutex first.
1.477 + if (mNewFrameCallback) {
1.478 + mNewFrameCallback->OnNewFrame();
1.479 + }
1.480 + CNW_LOGD("queueBuffer: X");
1.481 + return OK;
1.482 +}
1.483 +
1.484 +
1.485 +TemporaryRef<TextureClient>
1.486 +GonkNativeWindow::getCurrentBuffer() {
1.487 + CNW_LOGD("GonkNativeWindow::getCurrentBuffer");
1.488 + Mutex::Autolock lock(mMutex);
1.489 +
1.490 + if (mAbandoned) {
1.491 + CNW_LOGE("getCurrentBuffer: GonkNativeWindow has been abandoned!");
1.492 + return NULL;
1.493 + }
1.494 +
1.495 + if(mQueue.empty()) {
1.496 + mDequeueCondition.signal();
1.497 + return nullptr;
1.498 + }
1.499 +
1.500 + Fifo::iterator front(mQueue.begin());
1.501 + int buf = *front;
1.502 + CNW_LOGD("getCurrentBuffer: buf=%d", buf);
1.503 +
1.504 + mSlots[buf].mBufferState = BufferSlot::RENDERING;
1.505 +
1.506 + mQueue.erase(front);
1.507 + mDequeueCondition.signal();
1.508 +
1.509 + mSlots[buf].mTextureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this);
1.510 + return mSlots[buf].mTextureClient;
1.511 +}
1.512 +
1.513 +
1.514 +/* static */ void
1.515 +GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) {
1.516 + GonkNativeWindow* nativeWindow =
1.517 + static_cast<GonkNativeWindow*>(closure);
1.518 +
1.519 + client->ClearRecycleCallback();
1.520 + nativeWindow->returnBuffer(client);
1.521 +}
1.522 +
1.523 +void GonkNativeWindow::returnBuffer(TextureClient* client) {
1.524 + CNW_LOGD("GonkNativeWindow::returnBuffer");
1.525 + Mutex::Autolock lock(mMutex);
1.526 +
1.527 + if (mAbandoned) {
1.528 + CNW_LOGD("returnBuffer: GonkNativeWindow has been abandoned!");
1.529 + return;
1.530 + }
1.531 +
1.532 + int index = getSlotFromTextureClientLocked(client);
1.533 + if (index < 0 || index >= mBufferCount) {
1.534 + CNW_LOGE("returnBuffer: slot index out of range [0, %d]: %d",
1.535 + mBufferCount, index);
1.536 + return;
1.537 + }
1.538 +
1.539 + if (mSlots[index].mBufferState != BufferSlot::RENDERING) {
1.540 + CNW_LOGE("returnBuffer: slot %d is not owned by the compositor (state=%d)",
1.541 + index, mSlots[index].mBufferState);
1.542 + return;
1.543 + }
1.544 +
1.545 + mSlots[index].mBufferState = BufferSlot::FREE;
1.546 + mDequeueCondition.signal();
1.547 + return;
1.548 +}
1.549 +
1.550 +void GonkNativeWindow::cancelBuffer(int buf) {
1.551 + CNW_LOGD("cancelBuffer: slot=%d", buf);
1.552 + Mutex::Autolock lock(mMutex);
1.553 +
1.554 + if (mAbandoned) {
1.555 + CNW_LOGD("cancelBuffer: GonkNativeWindow has been abandoned!");
1.556 + return;
1.557 + }
1.558 +
1.559 + if (buf < 0 || buf >= mBufferCount) {
1.560 + CNW_LOGE("cancelBuffer: slot index out of range [0, %d]: %d",
1.561 + mBufferCount, buf);
1.562 + return;
1.563 + } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
1.564 + CNW_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)",
1.565 + buf, mSlots[buf].mBufferState);
1.566 + return;
1.567 + }
1.568 + mSlots[buf].mBufferState = BufferSlot::FREE;
1.569 + mSlots[buf].mFrameNumber = 0;
1.570 + mDequeueCondition.signal();
1.571 +}
1.572 +
1.573 +status_t GonkNativeWindow::setCrop(const Rect& crop) {
1.574 + return OK;
1.575 +}
1.576 +
1.577 +status_t GonkNativeWindow::setTransform(uint32_t transform) {
1.578 + return OK;
1.579 +}
1.580 +
1.581 +status_t GonkNativeWindow::connect(int api,
1.582 + uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
1.583 + CNW_LOGD("connect: api=%d", api);
1.584 + Mutex::Autolock lock(mMutex);
1.585 +
1.586 + if (mAbandoned) {
1.587 + CNW_LOGE("connect: GonkNativeWindow has been abandoned!");
1.588 + return NO_INIT;
1.589 + }
1.590 +
1.591 + int err = NO_ERROR;
1.592 + switch (api) {
1.593 + case NATIVE_WINDOW_API_EGL:
1.594 + case NATIVE_WINDOW_API_CPU:
1.595 + case NATIVE_WINDOW_API_MEDIA:
1.596 + case NATIVE_WINDOW_API_CAMERA:
1.597 + if (mConnectedApi != NO_CONNECTED_API) {
1.598 + CNW_LOGE("connect: already connected (cur=%d, req=%d)",
1.599 + mConnectedApi, api);
1.600 + err = -EINVAL;
1.601 + } else {
1.602 + mConnectedApi = api;
1.603 + *outWidth = mDefaultWidth;
1.604 + *outHeight = mDefaultHeight;
1.605 + *outTransform = 0;
1.606 + }
1.607 + break;
1.608 + default:
1.609 + err = -EINVAL;
1.610 + break;
1.611 + }
1.612 + return err;
1.613 +}
1.614 +
1.615 +status_t GonkNativeWindow::disconnect(int api) {
1.616 + CNW_LOGD("disconnect: api=%d", api);
1.617 +
1.618 + int err = NO_ERROR;
1.619 + Mutex::Autolock lock(mMutex);
1.620 +
1.621 + if (mAbandoned) {
1.622 + // it is not really an error to disconnect after the surface
1.623 + // has been abandoned, it should just be a no-op.
1.624 + return NO_ERROR;
1.625 + }
1.626 +
1.627 + switch (api) {
1.628 + case NATIVE_WINDOW_API_EGL:
1.629 + case NATIVE_WINDOW_API_CPU:
1.630 + case NATIVE_WINDOW_API_MEDIA:
1.631 + case NATIVE_WINDOW_API_CAMERA:
1.632 + if (mConnectedApi == api) {
1.633 + mQueue.clear();
1.634 + freeAllBuffersLocked();
1.635 + mConnectedApi = NO_CONNECTED_API;
1.636 + mDequeueCondition.signal();
1.637 + } else {
1.638 + CNW_LOGE("disconnect: connected to another api (cur=%d, req=%d)",
1.639 + mConnectedApi, api);
1.640 + err = -EINVAL;
1.641 + }
1.642 + break;
1.643 + default:
1.644 + CNW_LOGE("disconnect: unknown API %d", api);
1.645 + err = -EINVAL;
1.646 + break;
1.647 + }
1.648 + return err;
1.649 +}
1.650 +
1.651 +status_t GonkNativeWindow::setScalingMode(int mode) {
1.652 + return OK;
1.653 +}
1.654 +
1.655 +void GonkNativeWindow::setNewFrameCallback(
1.656 + GonkNativeWindowNewFrameCallback* aCallback) {
1.657 + CNW_LOGD("setNewFrameCallback");
1.658 + Mutex::Autolock lock(mMutex);
1.659 + mNewFrameCallback = aCallback;
1.660 +}
1.661 +
1.662 +int GonkNativeWindow::query(int what, int* outValue)
1.663 +{
1.664 + Mutex::Autolock lock(mMutex);
1.665 +
1.666 + if (mAbandoned) {
1.667 + CNW_LOGE("query: GonkNativeWindow has been abandoned!");
1.668 + return NO_INIT;
1.669 + }
1.670 +
1.671 + int value;
1.672 + switch (what) {
1.673 + case NATIVE_WINDOW_WIDTH:
1.674 + value = mDefaultWidth;
1.675 + break;
1.676 + case NATIVE_WINDOW_HEIGHT:
1.677 + value = mDefaultHeight;
1.678 + break;
1.679 + case NATIVE_WINDOW_FORMAT:
1.680 + value = mPixelFormat;
1.681 + break;
1.682 + case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
1.683 + value = MIN_UNDEQUEUED_BUFFERS;
1.684 + break;
1.685 + default:
1.686 + return BAD_VALUE;
1.687 + }
1.688 + outValue[0] = value;
1.689 + return NO_ERROR;
1.690 +}
