summaryrefslogtreecommitdiffstats
path: root/widget/gonk/libdisplay/FramebufferSurface.cpp
diff options
context:
space:
mode:
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/libdisplay/FramebufferSurface.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'widget/gonk/libdisplay/FramebufferSurface.cpp')
-rw-r--r--widget/gonk/libdisplay/FramebufferSurface.cpp207
1 files changed, 207 insertions, 0 deletions
diff --git a/widget/gonk/libdisplay/FramebufferSurface.cpp b/widget/gonk/libdisplay/FramebufferSurface.cpp
new file mode 100644
index 000000000..a289acbb8
--- /dev/null
+++ b/widget/gonk/libdisplay/FramebufferSurface.cpp
@@ -0,0 +1,207 @@
+/*
+ **
+ ** Copyright 2012 The Android Open Source Project
+ **
+ ** 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 <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <cutils/log.h>
+
+#include <utils/String8.h>
+
+#include <ui/Rect.h>
+
+#include <EGL/egl.h>
+
+#include <hardware/hardware.h>
+#if ANDROID_VERSION == 17
+#include <gui/SurfaceTextureClient.h>
+#endif
+#include <ui/GraphicBuffer.h>
+
+#include "FramebufferSurface.h"
+#include "GraphicBufferAlloc.h"
+
+#ifndef NUM_FRAMEBUFFER_SURFACE_BUFFERS
+#define NUM_FRAMEBUFFER_SURFACE_BUFFERS (2)
+#endif
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+/*
+ * This implements the (main) framebuffer management. This class
+ * was adapted from the version in SurfaceFlinger
+ */
+FramebufferSurface::FramebufferSurface(int disp,
+ uint32_t width,
+ uint32_t height,
+ uint32_t format,
+ const sp<StreamConsumer>& sc)
+ : DisplaySurface(sc)
+ , mDisplayType(disp)
+ , mCurrentBufferSlot(-1)
+ , mCurrentBuffer(0)
+{
+ mName = "FramebufferSurface";
+
+#if ANDROID_VERSION >= 19
+ sp<IGraphicBufferConsumer> consumer = mConsumer;
+#else
+ sp<BufferQueue> consumer = mBufferQueue;
+ consumer->setSynchronousMode(true);
+#endif
+ consumer->setConsumerName(mName);
+ consumer->setConsumerUsageBits(GRALLOC_USAGE_HW_FB |
+ GRALLOC_USAGE_HW_RENDER |
+ GRALLOC_USAGE_HW_COMPOSER);
+ consumer->setDefaultBufferFormat(format);
+ consumer->setDefaultBufferSize(width, height);
+ consumer->setDefaultMaxBufferCount(NUM_FRAMEBUFFER_SURFACE_BUFFERS);
+}
+
+status_t FramebufferSurface::beginFrame(bool /*mustRecompose*/) {
+ return NO_ERROR;
+}
+
+status_t FramebufferSurface::prepareFrame(CompositionType /*compositionType*/) {
+ return NO_ERROR;
+}
+
+status_t FramebufferSurface::advanceFrame() {
+ // Once we remove FB HAL support, we can call nextBuffer() from here
+ // instead of using onFrameAvailable(). No real benefit, except it'll be
+ // more like VirtualDisplaySurface.
+ return NO_ERROR;
+}
+
+status_t FramebufferSurface::nextBuffer(sp<GraphicBuffer>& outBuffer, sp<Fence>& outFence) {
+ Mutex::Autolock lock(mMutex);
+
+ BufferQueue::BufferItem item;
+#if ANDROID_VERSION >= 19
+ status_t err = acquireBufferLocked(&item, 0);
+#else
+ status_t err = acquireBufferLocked(&item);
+#endif
+ if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
+ outBuffer = mCurrentBuffer;
+ return NO_ERROR;
+ } else if (err != NO_ERROR) {
+ ALOGE("error acquiring buffer: %s (%d)", strerror(-err), err);
+ return err;
+ }
+
+ // If the BufferQueue has freed and reallocated a buffer in mCurrentSlot
+ // then we may have acquired the slot we already own. If we had released
+ // our current buffer before we call acquireBuffer then that release call
+ // would have returned STALE_BUFFER_SLOT, and we would have called
+ // freeBufferLocked on that slot. Because the buffer slot has already
+ // been overwritten with the new buffer all we have to do is skip the
+ // releaseBuffer call and we should be in the same state we'd be in if we
+ // had released the old buffer first.
+ if (mCurrentBufferSlot != BufferQueue::INVALID_BUFFER_SLOT &&
+ item.mBuf != mCurrentBufferSlot) {
+ // Release the previous buffer.
+#if ANDROID_VERSION >= 19
+ err = releaseBufferLocked(mCurrentBufferSlot, mCurrentBuffer,
+ EGL_NO_DISPLAY, EGL_NO_SYNC_KHR);
+#else
+ err = releaseBufferLocked(mCurrentBufferSlot, EGL_NO_DISPLAY,
+ EGL_NO_SYNC_KHR);
+#endif
+ if (err != NO_ERROR && err != StreamConsumer::STALE_BUFFER_SLOT) {
+ ALOGE("error releasing buffer: %s (%d)", strerror(-err), err);
+ return err;
+ }
+ }
+ mCurrentBufferSlot = item.mBuf;
+ mCurrentBuffer = mSlots[mCurrentBufferSlot].mGraphicBuffer;
+ outFence = item.mFence;
+ outBuffer = mCurrentBuffer;
+ return NO_ERROR;
+}
+
+// Overrides ConsumerBase::onFrameAvailable(), does not call base class impl.
+#if ANDROID_VERSION >= 22
+void FramebufferSurface::onFrameAvailable(const ::android::BufferItem &item) {
+#else
+void FramebufferSurface::onFrameAvailable() {
+#endif
+ sp<GraphicBuffer> buf;
+ sp<Fence> acquireFence;
+ status_t err = nextBuffer(buf, acquireFence);
+ if (err != NO_ERROR) {
+ ALOGE("error latching nnext FramebufferSurface buffer: %s (%d)",
+ strerror(-err), err);
+ return;
+ }
+ if (acquireFence.get() && acquireFence->isValid())
+ mPrevFBAcquireFence = new Fence(acquireFence->dup());
+ else
+ mPrevFBAcquireFence = Fence::NO_FENCE;
+
+ lastHandle = buf->handle;
+}
+
+void FramebufferSurface::freeBufferLocked(int slotIndex) {
+ ConsumerBase::freeBufferLocked(slotIndex);
+ if (slotIndex == mCurrentBufferSlot) {
+ mCurrentBufferSlot = BufferQueue::INVALID_BUFFER_SLOT;
+ }
+}
+
+status_t FramebufferSurface::setReleaseFenceFd(int fenceFd) {
+ status_t err = NO_ERROR;
+ if (fenceFd >= 0) {
+ sp<Fence> fence(new Fence(fenceFd));
+ if (mCurrentBufferSlot != BufferQueue::INVALID_BUFFER_SLOT) {
+#if ANDROID_VERSION >= 19
+ status_t err = addReleaseFence(mCurrentBufferSlot, mCurrentBuffer, fence);
+#else
+ status_t err = addReleaseFence(mCurrentBufferSlot, fence);
+#endif
+ ALOGE_IF(err, "setReleaseFenceFd: failed to add the fence: %s (%d)",
+ strerror(-err), err);
+ }
+ }
+ return err;
+}
+
+int FramebufferSurface::GetPrevDispAcquireFd() {
+ if (mPrevFBAcquireFence.get() && mPrevFBAcquireFence->isValid()) {
+ return mPrevFBAcquireFence->dup();
+ }
+ return -1;
+}
+
+void FramebufferSurface::onFrameCommitted() {
+ // XXX This role is almost same to setReleaseFenceFd().
+}
+
+status_t FramebufferSurface::compositionComplete()
+{
+ // Actual implementaiton is in GonkDisplay::SwapBuffers()
+ // XXX need to move that to here.
+ return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------