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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp')
-rw-r--r--widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp193
1 files changed, 193 insertions, 0 deletions
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
new file mode 100644
index 000000000..7df72bf68
--- /dev/null
+++ b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
@@ -0,0 +1,193 @@
+/*
+ * Copyright 2014 The Android Open Source Project
+ * Copyright (C) 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "GonkBufferItem.h"
+
+#include <ui/Fence.h>
+#include <ui/GraphicBuffer.h>
+
+#include <system/window.h>
+
+namespace android {
+
+GonkBufferItem::GonkBufferItem() :
+ mTransform(0),
+ mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
+ mTimestamp(0),
+ mIsAutoTimestamp(false),
+ mFrameNumber(0),
+ mSlot(INVALID_BUFFER_SLOT),
+ mIsDroppable(false),
+ mAcquireCalled(false),
+ mTransformToDisplayInverse(false) {
+ mCrop.makeInvalid();
+}
+
+GonkBufferItem::operator IGonkGraphicBufferConsumer::BufferItem() const {
+ IGonkGraphicBufferConsumer::BufferItem bufferItem;
+ bufferItem.mGraphicBuffer = mGraphicBuffer;
+ bufferItem.mFence = mFence;
+ bufferItem.mCrop = mCrop;
+ bufferItem.mTransform = mTransform;
+ bufferItem.mScalingMode = mScalingMode;
+ bufferItem.mTimestamp = mTimestamp;
+ bufferItem.mIsAutoTimestamp = mIsAutoTimestamp;
+ bufferItem.mFrameNumber = mFrameNumber;
+ bufferItem.mBuf = mSlot;
+ bufferItem.mIsDroppable = mIsDroppable;
+ bufferItem.mAcquireCalled = mAcquireCalled;
+ bufferItem.mTransformToDisplayInverse = mTransformToDisplayInverse;
+ return bufferItem;
+}
+
+size_t GonkBufferItem::getPodSize() const {
+ size_t c = sizeof(mCrop) +
+ sizeof(mTransform) +
+ sizeof(mScalingMode) +
+ sizeof(mTimestamp) +
+ sizeof(mIsAutoTimestamp) +
+ sizeof(mFrameNumber) +
+ sizeof(mSlot) +
+ sizeof(mIsDroppable) +
+ sizeof(mAcquireCalled) +
+ sizeof(mTransformToDisplayInverse);
+ return c;
+}
+
+size_t GonkBufferItem::getFlattenedSize() const {
+ size_t c = 0;
+ if (mGraphicBuffer != 0) {
+ c += mGraphicBuffer->getFlattenedSize();
+ FlattenableUtils::align<4>(c);
+ }
+ if (mFence != 0) {
+ c += mFence->getFlattenedSize();
+ FlattenableUtils::align<4>(c);
+ }
+ return sizeof(int32_t) + c + getPodSize();
+}
+
+size_t GonkBufferItem::getFdCount() const {
+ size_t c = 0;
+ if (mGraphicBuffer != 0) {
+ c += mGraphicBuffer->getFdCount();
+ }
+ if (mFence != 0) {
+ c += mFence->getFdCount();
+ }
+ return c;
+}
+
+status_t GonkBufferItem::flatten(
+ void*& buffer, size_t& size, int*& fds, size_t& count) const {
+
+ // make sure we have enough space
+ if (count < GonkBufferItem::getFlattenedSize()) {
+ return NO_MEMORY;
+ }
+
+ // content flags are stored first
+ uint32_t& flags = *static_cast<uint32_t*>(buffer);
+
+ // advance the pointer
+ FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
+
+ flags = 0;
+ if (mGraphicBuffer != 0) {
+ status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
+ if (err) return err;
+ size -= FlattenableUtils::align<4>(buffer);
+ flags |= 1;
+ }
+ if (mFence != 0) {
+ status_t err = mFence->flatten(buffer, size, fds, count);
+ if (err) return err;
+ size -= FlattenableUtils::align<4>(buffer);
+ flags |= 2;
+ }
+
+ // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
+ if (size < getPodSize()) {
+ return NO_MEMORY;
+ }
+
+ FlattenableUtils::write(buffer, size, mCrop);
+ FlattenableUtils::write(buffer, size, mTransform);
+ FlattenableUtils::write(buffer, size, mScalingMode);
+ FlattenableUtils::write(buffer, size, mTimestamp);
+ FlattenableUtils::write(buffer, size, mIsAutoTimestamp);
+ FlattenableUtils::write(buffer, size, mFrameNumber);
+ FlattenableUtils::write(buffer, size, mSlot);
+ FlattenableUtils::write(buffer, size, mIsDroppable);
+ FlattenableUtils::write(buffer, size, mAcquireCalled);
+ FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
+
+ return NO_ERROR;
+}
+
+status_t GonkBufferItem::unflatten(
+ void const*& buffer, size_t& size, int const*& fds, size_t& count) {
+
+ if (size < sizeof(uint32_t))
+ return NO_MEMORY;
+
+ uint32_t flags = 0;
+ FlattenableUtils::read(buffer, size, flags);
+
+ if (flags & 1) {
+ mGraphicBuffer = new GraphicBuffer();
+ status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
+ if (err) return err;
+ size -= FlattenableUtils::align<4>(buffer);
+ }
+
+ if (flags & 2) {
+ mFence = new Fence();
+ status_t err = mFence->unflatten(buffer, size, fds, count);
+ if (err) return err;
+ size -= FlattenableUtils::align<4>(buffer);
+ }
+
+ // check we have enough space
+ if (size < getPodSize()) {
+ return NO_MEMORY;
+ }
+
+ FlattenableUtils::read(buffer, size, mCrop);
+ FlattenableUtils::read(buffer, size, mTransform);
+ FlattenableUtils::read(buffer, size, mScalingMode);
+ FlattenableUtils::read(buffer, size, mTimestamp);
+ FlattenableUtils::read(buffer, size, mIsAutoTimestamp);
+ FlattenableUtils::read(buffer, size, mFrameNumber);
+ FlattenableUtils::read(buffer, size, mSlot);
+ FlattenableUtils::read(buffer, size, mIsDroppable);
+ FlattenableUtils::read(buffer, size, mAcquireCalled);
+ FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
+
+ return NO_ERROR;
+}
+
+const char* GonkBufferItem::scalingModeName(uint32_t scalingMode) {
+ switch (scalingMode) {
+ case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
+ case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
+ case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
+ default: return "Unknown";
+ }
+}
+
+} // namespace android