1094 lines
33 KiB
C++
1094 lines
33 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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* Copyright (C) 2010, The Linux Foundation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <cutils/properties.h>
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#include <cutils/native_handle.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <utils/StopWatch.h>
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#include <ui/GraphicBuffer.h>
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#include <ui/PixelFormat.h>
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#include <surfaceflinger/Surface.h>
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#include "clz.h"
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#include "GLExtensions.h"
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#include "Layer.h"
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#include "SurfaceFlinger.h"
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#include "DisplayHardware/DisplayHardware.h"
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#if defined(TARGET_USES_OVERLAY)
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#include "overlayLib.h"
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#endif
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#define DEBUG_RESIZE 0
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namespace android {
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template <typename T> inline T min(T a, T b) {
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return a<b ? a : b;
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}
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// ---------------------------------------------------------------------------
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Layer::Layer(SurfaceFlinger* flinger,
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DisplayID display, const sp<Client>& client)
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: LayerBaseClient(flinger, display, client),
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mGLExtensions(GLExtensions::getInstance()),
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mNeedsBlending(true),
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mNeedsDithering(false),
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mSecure(false),
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mTextureManager(),
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mBufferManager(mTextureManager),
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mWidth(0), mHeight(0), mNeedsScaling(false), mFixedSize(false),
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mBypassState(false)
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{
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setDestroyer(this);
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}
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Layer::~Layer()
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{
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// FIXME: must be called from the main UI thread
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EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
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mBufferManager.destroy(dpy);
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// we can use getUserClientUnsafe here because we know we're
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// single-threaded at that point.
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sp<UserClient> ourClient(mUserClientRef.getUserClientUnsafe());
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if (ourClient != 0) {
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ourClient->detachLayer(this);
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}
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if(getStereoscopic3DFormat()) {
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const DisplayHardware& hw(mFlinger->graphicPlane(0).displayHardware());
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hw.videoOverlayStarted(false);
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}
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}
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void Layer::destroy(RefBase const* base) {
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mFlinger->destroyLayer(static_cast<LayerBase const*>(base));
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}
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status_t Layer::setToken(const sp<UserClient>& userClient,
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SharedClient* sharedClient, int32_t token)
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{
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int numbuffers = mBufferManager.getDefaultBufferCount();
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#if defined(SF_BYPASS)
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if (getLayerInitFlags() & ISurfaceComposer::eFullScreen) {
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numbuffers = 3;
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mBufferManager.resize(numbuffers);
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}
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#endif
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sp<SharedBufferServer> lcblk = new SharedBufferServer(
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sharedClient, token, numbuffers,
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getIdentity());
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status_t err = mUserClientRef.setToken(userClient, lcblk, token);
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LOGE_IF(err != NO_ERROR,
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"ClientRef::setToken(%p, %p, %u) failed",
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userClient.get(), lcblk.get(), token);
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if (err == NO_ERROR) {
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// we need to free the buffers associated with this surface
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}
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return err;
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}
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int32_t Layer::getToken() const
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{
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return mUserClientRef.getToken();
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}
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sp<UserClient> Layer::getClient() const
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{
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return mUserClientRef.getClient();
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}
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// called with SurfaceFlinger::mStateLock as soon as the layer is entered
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// in the purgatory list
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void Layer::onRemoved()
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{
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ClientRef::Access sharedClient(mUserClientRef);
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SharedBufferServer* lcblk(sharedClient.get());
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if (lcblk) {
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// wake up the condition
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lcblk->setStatus(NO_INIT);
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}
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// If original resolution surface, close current VG channels.
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// Notify gralloc of the end of current playback.
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if(getUseOriginalSurfaceResolution()) {
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const DisplayHardware& hw(graphicPlane(0).displayHardware());
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hw.stopOrigResDisplay();
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freeBypassBuffers();
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}
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}
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sp<LayerBaseClient::Surface> Layer::createSurface() const
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{
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return mSurface;
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}
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status_t Layer::setBuffers( uint32_t w, uint32_t h,
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PixelFormat format, uint32_t flags)
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{
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// this surfaces pixel format
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PixelFormatInfo info;
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status_t err = getPixelFormatInfo(format, &info);
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if (err) return err;
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// the display's pixel format
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const DisplayHardware& hw(graphicPlane(0).displayHardware());
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uint32_t const maxSurfaceDims = min(
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hw.getMaxTextureSize(), hw.getMaxViewportDims());
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// never allow a surface larger than what our underlying GL implementation
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// can handle.
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if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) {
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return BAD_VALUE;
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}
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PixelFormatInfo displayInfo;
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getPixelFormatInfo(hw.getFormat(), &displayInfo);
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const uint32_t hwFlags = hw.getFlags();
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mFormat = format;
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mWidth = w;
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mHeight = h;
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mReqFormat = format;
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mReqWidth = w;
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mReqHeight = h;
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mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
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mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
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// we use the red index
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int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
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int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
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mNeedsDithering = layerRedsize > displayRedSize;
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mSurface = new SurfaceLayer(mFlinger, this);
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return NO_ERROR;
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}
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void Layer::reloadTexture(const Region& dirty)
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{
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sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer());
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if (buffer == NULL) {
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// this situation can happen if we ran out of memory for instance.
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// not much we can do. continue to use whatever texture was bound
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// to this context.
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return;
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}
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if (mGLExtensions.haveDirectTexture()) {
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EGLDisplay dpy(mFlinger->graphicPlane(0).getEGLDisplay());
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if (mBufferManager.initEglImage(dpy, buffer) != NO_ERROR) {
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// not sure what we can do here...
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goto slowpath;
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}
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} else {
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slowpath:
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GGLSurface t;
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if (buffer->usage & GRALLOC_USAGE_SW_READ_MASK) {
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status_t res = buffer->lock(&t, GRALLOC_USAGE_SW_READ_OFTEN);
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LOGE_IF(res, "error %d (%s) locking buffer %p",
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res, strerror(res), buffer.get());
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if (res == NO_ERROR) {
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mBufferManager.loadTexture(dirty, t);
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buffer->unlock();
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}
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} else {
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// we can't do anything
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}
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}
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}
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void Layer::drawForSreenShot() const
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{
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const bool currentFiltering = mNeedsFiltering;
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const_cast<Layer*>(this)->mNeedsFiltering = true;
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LayerBase::drawForSreenShot();
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const_cast<Layer*>(this)->mNeedsFiltering = currentFiltering;
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}
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status_t Layer::freeBypassBuffers() const
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{
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if (!isOverlayUsed())
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return NO_ERROR;
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ClientRef::Access sharedClient(mUserClientRef);
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SharedBufferServer* lcblk(sharedClient.get());
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if (lcblk)
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lcblk->setInUseBypass(-1);
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setOverlayUsed(false);
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return NO_ERROR;
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}
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status_t Layer::setBufferInUse() const
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{
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Texture tex(mBufferManager.getActiveTexture());
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if (tex.image == EGL_NO_IMAGE_KHR)
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return INVALID_OPERATION;
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GLuint textureName = tex.name;
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if (UNLIKELY(textureName == -1LU)) {
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return INVALID_OPERATION;
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}
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ClientRef::Access sharedClient(mUserClientRef);
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SharedBufferServer* lcblk(sharedClient.get());
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if (lcblk) {
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int buf = mBufferManager.getActiveBufferIndex();
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if (buf >= 0)
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lcblk->setInUseBypass(buf);
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}
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return NO_ERROR;
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}
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status_t Layer::drawWithOverlay(const Region& clip,
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bool hdmiConnected, bool waitVsync) const
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{
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#if defined(TARGET_USES_OVERLAY)
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Texture tex(mBufferManager.getActiveTexture());
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if (tex.image == EGL_NO_IMAGE_KHR)
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return INVALID_OPERATION;
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GLuint textureName = tex.name;
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if (UNLIKELY(textureName == -1LU)) {
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return INVALID_OPERATION;
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}
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const DisplayHardware& hw(graphicPlane(0).displayHardware());
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if(getUseOriginalSurfaceResolution()){
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sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer());
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buffer_handle_t handle = (buffer->getNativeBuffer())->handle;
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hw.postOrigResBuffer(handle, mWidth, mHeight, mFormat, getOrientation());
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setOverlayUsed(true);
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setBufferInUse();
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return NO_ERROR;
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}
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overlay::Overlay* temp = hw.getOverlayObject();
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int s3dFormat = getStereoscopic3DFormat();
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if (s3dFormat) {
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hw.videoOverlayStarted(true);
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}
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if (!temp->setSource(mWidth, mHeight, mFormat|s3dFormat,
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getOrientation(), hdmiConnected,
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waitVsync, mBufferManager.getNumBuffers()))
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return INVALID_OPERATION;
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if(!temp->setParameter(OVERLAY_TRANSFORM, getOrientation()))
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return INVALID_OPERATION;
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if ((s3dFormat) && !temp->setCrop(0, 0, mWidth, mHeight))
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return INVALID_OPERATION;
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const Rect bounds(mTransformedBounds);
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int x = bounds.left;
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int y = bounds.top;
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int w = bounds.width();
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int h = bounds.height();
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int ovpos_x, ovpos_y;
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uint32_t ovpos_w, ovpos_h;
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bool ret;
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if (ret = temp->getPosition(ovpos_x, ovpos_y, ovpos_w, ovpos_h)) {
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if ((ovpos_x != x) || (ovpos_y != y) || (ovpos_w != w) || (ovpos_h != h)) {
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ret = temp->setPosition(x, y, w, h);
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}
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} else
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ret = temp->setPosition(x, y, w, h);
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if (!ret)
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return INVALID_OPERATION;
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sp<GraphicBuffer> buffer(mBufferManager.getActiveBuffer());
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buffer_handle_t handle = (buffer->getNativeBuffer())->handle;
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ret = temp->queueBuffer(handle);
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if (!ret)
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return INVALID_OPERATION;
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if (!waitVsync)
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clearWithOpenGL(clip);
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setOverlayUsed(true);
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return NO_ERROR;
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#endif
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return INVALID_OPERATION;
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}
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void Layer::onDraw(const Region& clip) const
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{
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Texture tex(mBufferManager.getActiveTexture());
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if (tex.name == -1LU) {
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// the texture has not been created yet, this Layer has
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// in fact never been drawn into. This happens frequently with
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// SurfaceView because the WindowManager can't know when the client
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// has drawn the first time.
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// If there is nothing under us, we paint the screen in black, otherwise
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// we just skip this update.
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// figure out if there is something below us
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Region under;
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const SurfaceFlinger::LayerVector& drawingLayers(mFlinger->mDrawingState.layersSortedByZ);
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const size_t count = drawingLayers.size();
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for (size_t i=0 ; i<count ; ++i) {
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const sp<LayerBase>& layer(drawingLayers[i]);
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if (layer.get() == static_cast<LayerBase const*>(this))
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break;
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under.orSelf(layer->visibleRegionScreen);
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}
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// if not everything below us is covered, we plug the holes!
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Region holes(clip.subtract(under));
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if (!holes.isEmpty()) {
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clearWithOpenGL(holes, 0, 0, 0, 1);
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}
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return;
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}
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if (mFlags & DisplayHardware::SLOW_CONFIG)
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drawWithOpenGL(clip, tex);
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else
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drawWithOpenGLOptimized(clip, tex);
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const DisplayHardware& hw(mFlinger->graphicPlane(0).displayHardware());
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if(hw.getDumpframe()){
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const_cast<DumpFrame&>(mDumpFrame).dump(this, clip);
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}
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}
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bool Layer::needsFiltering() const
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{
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if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
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// if our buffer is not the same size than ourselves,
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// we need filtering.
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Mutex::Autolock _l(mLock);
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if (mNeedsScaling)
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return true;
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}
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return LayerBase::needsFiltering();
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}
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status_t Layer::setBufferCount(int bufferCount)
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{
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ClientRef::Access sharedClient(mUserClientRef);
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SharedBufferServer* lcblk(sharedClient.get());
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if (!lcblk) {
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// oops, the client is already gone
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return DEAD_OBJECT;
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}
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// NOTE: lcblk->resize() is protected by an internal lock
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status_t err = lcblk->resize(bufferCount);
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if (err == NO_ERROR)
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mBufferManager.resize(bufferCount);
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return err;
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}
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sp<GraphicBuffer> Layer::requestBuffer(int index,
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uint32_t reqWidth, uint32_t reqHeight, uint32_t reqFormat,
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uint32_t usage)
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{
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sp<GraphicBuffer> buffer;
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if (int32_t(reqWidth | reqHeight | reqFormat) < 0)
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return buffer;
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if ((!reqWidth && reqHeight) || (reqWidth && !reqHeight))
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return buffer;
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// this ensures our client doesn't go away while we're accessing
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// the shared area.
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ClientRef::Access sharedClient(mUserClientRef);
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SharedBufferServer* lcblk(sharedClient.get());
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if (!lcblk) {
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// oops, the client is already gone
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return buffer;
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}
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/*
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* This is called from the client's Surface::dequeue(). This can happen
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* at any time, especially while we're in the middle of using the
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* buffer 'index' as our front buffer.
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*/
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uint32_t w, h, f, bypass;
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{ // scope for the lock
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Mutex::Autolock _l(mLock);
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bypass = mBypassState;
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// zero means default
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mFixedSize = reqWidth && reqHeight;
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if (!reqFormat) reqFormat = mFormat;
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if (!reqWidth) reqWidth = mWidth;
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if (!reqHeight) reqHeight = mHeight;
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w = reqWidth;
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h = reqHeight;
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f = reqFormat;
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if ((reqWidth != mReqWidth) || (reqHeight != mReqHeight) ||
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(reqFormat != mReqFormat)) {
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mReqWidth = reqWidth;
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mReqHeight = reqHeight;
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mReqFormat = reqFormat;
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mNeedsScaling = mWidth != mReqWidth || mHeight != mReqHeight;
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lcblk->reallocateAllExcept(index);
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}
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}
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// here we have to reallocate a new buffer because the buffer could be
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// used as the front buffer, or by a client in our process
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// (eg: status bar), and we can't release the handle under its feet.
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uint32_t effectiveUsage = getEffectiveUsage(usage);
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// We need to ensure PMEM memory is allocated for:
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// a. Bypass buffers
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// b. Original Resolution surfaces
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// c. S3D surfaces
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if (getStereoscopic3DFormat() || getUseOriginalSurfaceResolution() ||
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bypass) {
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effectiveUsage |= GRALLOC_USAGE_PRIVATE_1;
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}
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status_t err = NO_MEMORY;
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if (err != NO_ERROR) {
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buffer = new GraphicBuffer(w, h, f, effectiveUsage);
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err = buffer->initCheck();
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}
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if (err || buffer->handle == 0) {
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GraphicBuffer::dumpAllocationsToSystemLog();
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LOGE_IF(err || buffer->handle == 0,
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"Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d failed (%s)",
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this, index, w, h, strerror(-err));
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} else {
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LOGD_IF(DEBUG_RESIZE,
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"Layer::requestBuffer(this=%p), index=%d, w=%d, h=%d, handle=%p",
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this, index, w, h, buffer->handle);
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}
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if (err == NO_ERROR && buffer->handle != 0) {
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Mutex::Autolock _l(mLock);
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mBufferManager.attachBuffer(index, buffer);
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}
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return buffer;
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}
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uint32_t Layer::getEffectiveUsage(uint32_t usage) const
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{
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/*
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* buffers used for software rendering, but h/w composition
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* are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE
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*
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* buffers used for h/w rendering and h/w composition
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* are allocated with HW_RENDER | HW_TEXTURE
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*
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* buffers used with h/w rendering and either NPOT or no egl_image_ext
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* are allocated with SW_READ_RARELY | HW_RENDER
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*
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*/
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if (mSecure) {
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// secure buffer, don't store it into the GPU
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usage = GraphicBuffer::USAGE_SW_READ_OFTEN |
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GraphicBuffer::USAGE_SW_WRITE_OFTEN;
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} else {
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// it's allowed to modify the usage flags here, but generally
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// the requested flags should be honored.
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// request EGLImage for all buffers
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|
usage |= GraphicBuffer::USAGE_HW_TEXTURE;
|
|
}
|
|
return usage;
|
|
}
|
|
|
|
bool Layer::setBypass(bool enable)
|
|
{
|
|
#if defined(SF_BYPASS)
|
|
const DisplayHardware& hw(mFlinger->graphicPlane(0).displayHardware());
|
|
if (!hw.isOverlayUIEnabled() || getStereoscopic3DFormat() ||
|
|
getUseOriginalSurfaceResolution())
|
|
return false;
|
|
|
|
Mutex::Autolock _l(mLock);
|
|
|
|
if (mNeedsScaling || mNeedsFiltering) {
|
|
return false;
|
|
}
|
|
|
|
if (mBufferManager.getNumBuffers()
|
|
<= mBufferManager.getDefaultBufferCount())
|
|
return false;
|
|
|
|
if (mBypassState != enable) {
|
|
mBypassState = enable;
|
|
ClientRef::Access sharedClient(mUserClientRef);
|
|
SharedBufferServer* lcblk(sharedClient.get());
|
|
if (lcblk && enable) {
|
|
// all buffers need reallocation
|
|
lcblk->reallocateAll();
|
|
}
|
|
}
|
|
|
|
return true;
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
void Layer::updateBuffersOrientation()
|
|
{
|
|
sp<GraphicBuffer> buffer(getBypassBuffer());
|
|
if (buffer != NULL && mOrientation != buffer->transform) {
|
|
ClientRef::Access sharedClient(mUserClientRef);
|
|
SharedBufferServer* lcblk(sharedClient.get());
|
|
if (lcblk) { // all buffers need reallocation
|
|
lcblk->reallocateAll();
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t Layer::doTransaction(uint32_t flags)
|
|
{
|
|
const Layer::State& front(drawingState());
|
|
const Layer::State& temp(currentState());
|
|
|
|
const bool sizeChanged = (front.requested_w != temp.requested_w) ||
|
|
(front.requested_h != temp.requested_h);
|
|
|
|
if (sizeChanged) {
|
|
// the size changed, we need to ask our client to request a new buffer
|
|
LOGD_IF(DEBUG_RESIZE,
|
|
"resize (layer=%p), requested (%dx%d), drawing (%d,%d)",
|
|
this,
|
|
int(temp.requested_w), int(temp.requested_h),
|
|
int(front.requested_w), int(front.requested_h));
|
|
|
|
if (!isFixedSize()) {
|
|
// we're being resized and there is a freeze display request,
|
|
// acquire a freeze lock, so that the screen stays put
|
|
// until we've redrawn at the new size; this is to avoid
|
|
// glitches upon orientation changes.
|
|
if (mFlinger->hasFreezeRequest()) {
|
|
// if the surface is hidden, don't try to acquire the
|
|
// freeze lock, since hidden surfaces may never redraw
|
|
if (!(front.flags & ISurfaceComposer::eLayerHidden)) {
|
|
mFreezeLock = mFlinger->getFreezeLock();
|
|
}
|
|
}
|
|
|
|
// this will make sure LayerBase::doTransaction doesn't update
|
|
// the drawing state's size
|
|
Layer::State& editDraw(mDrawingState);
|
|
editDraw.requested_w = temp.requested_w;
|
|
editDraw.requested_h = temp.requested_h;
|
|
|
|
// record the new size, form this point on, when the client request
|
|
// a buffer, it'll get the new size.
|
|
setBufferSize(temp.requested_w, temp.requested_h);
|
|
|
|
ClientRef::Access sharedClient(mUserClientRef);
|
|
SharedBufferServer* lcblk(sharedClient.get());
|
|
if (lcblk) {
|
|
// all buffers need reallocation
|
|
lcblk->reallocateAll();
|
|
}
|
|
} else {
|
|
// record the new size
|
|
setBufferSize(temp.requested_w, temp.requested_h);
|
|
}
|
|
}
|
|
|
|
if (temp.sequence != front.sequence) {
|
|
if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) {
|
|
// this surface is now hidden, so it shouldn't hold a freeze lock
|
|
// (it may never redraw, which is fine if it is hidden)
|
|
mFreezeLock.clear();
|
|
}
|
|
}
|
|
|
|
return LayerBase::doTransaction(flags);
|
|
}
|
|
|
|
void Layer::setBufferSize(uint32_t w, uint32_t h) {
|
|
Mutex::Autolock _l(mLock);
|
|
mWidth = w;
|
|
mHeight = h;
|
|
mNeedsScaling = mWidth != mReqWidth || mHeight != mReqHeight;
|
|
}
|
|
|
|
bool Layer::isFixedSize() const {
|
|
Mutex::Autolock _l(mLock);
|
|
return mFixedSize;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// pageflip handling...
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void Layer::lockPageFlip(bool& recomputeVisibleRegions)
|
|
{
|
|
ClientRef::Access sharedClient(mUserClientRef);
|
|
SharedBufferServer* lcblk(sharedClient.get());
|
|
if (!lcblk) {
|
|
// client died
|
|
recomputeVisibleRegions = true;
|
|
return;
|
|
}
|
|
|
|
ssize_t buf = lcblk->retireAndLock();
|
|
mNothingToUpdate = false;
|
|
|
|
if (buf == NOT_ENOUGH_DATA) {
|
|
// NOTE: This is not an error, it simply means there is nothing to
|
|
// retire. The buffer is locked because we will use it
|
|
// for composition later in the loop
|
|
mNothingToUpdate = true;
|
|
return;
|
|
}
|
|
|
|
if (buf < NO_ERROR) {
|
|
LOGE("retireAndLock() buffer index (%d) out of range", int(buf));
|
|
mPostedDirtyRegion.clear();
|
|
return;
|
|
}
|
|
|
|
// we retired a buffer, which becomes the new front buffer
|
|
if (mBufferManager.setActiveBufferIndex(buf) < NO_ERROR) {
|
|
LOGE("retireAndLock() buffer index (%d) out of range", int(buf));
|
|
mPostedDirtyRegion.clear();
|
|
return;
|
|
}
|
|
|
|
sp<GraphicBuffer> newFrontBuffer(getBuffer(buf));
|
|
if (newFrontBuffer != NULL) {
|
|
// get the dirty region
|
|
// compute the posted region
|
|
const Region dirty(lcblk->getDirtyRegion(buf));
|
|
mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() );
|
|
|
|
// update the layer size and release freeze-lock
|
|
const Layer::State& front(drawingState());
|
|
if (newFrontBuffer->getWidth() == front.requested_w &&
|
|
newFrontBuffer->getHeight() == front.requested_h)
|
|
{
|
|
if ((front.w != front.requested_w) ||
|
|
(front.h != front.requested_h))
|
|
{
|
|
// Here we pretend the transaction happened by updating the
|
|
// current and drawing states. Drawing state is only accessed
|
|
// in this thread, no need to have it locked
|
|
Layer::State& editDraw(mDrawingState);
|
|
editDraw.w = editDraw.requested_w;
|
|
editDraw.h = editDraw.requested_h;
|
|
|
|
// We also need to update the current state so that we don't
|
|
// end-up doing too much work during the next transaction.
|
|
// NOTE: We actually don't need hold the transaction lock here
|
|
// because State::w and State::h are only accessed from
|
|
// this thread
|
|
Layer::State& editTemp(currentState());
|
|
editTemp.w = editDraw.w;
|
|
editTemp.h = editDraw.h;
|
|
|
|
// recompute visible region
|
|
recomputeVisibleRegions = true;
|
|
}
|
|
|
|
// we now have the correct size, unfreeze the screen
|
|
mFreezeLock.clear();
|
|
}
|
|
|
|
// get the crop region
|
|
setBufferCrop( lcblk->getCrop(buf) );
|
|
|
|
// get the transformation
|
|
setBufferTransform( lcblk->getTransform(buf) );
|
|
|
|
} else {
|
|
// this should not happen unless we ran out of memory while
|
|
// allocating the buffer. we're hoping that things will get back
|
|
// to normal the next time the app tries to draw into this buffer.
|
|
// meanwhile, pretend the screen didn't update.
|
|
mPostedDirtyRegion.clear();
|
|
}
|
|
|
|
if (lcblk->getQueuedCount()) {
|
|
// signal an event if we have more buffers waiting
|
|
mFlinger->signalEvent();
|
|
}
|
|
|
|
/* a buffer was posted, so we need to call reloadTexture(), which
|
|
* will update our internal data structures (eg: EGLImageKHR or
|
|
* texture names). we need to do this even if mPostedDirtyRegion is
|
|
* empty -- it's orthogonal to the fact that a new buffer was posted,
|
|
* for instance, a degenerate case could be that the user did an empty
|
|
* update but repainted the buffer with appropriate content (after a
|
|
* resize for instance).
|
|
*/
|
|
reloadTexture( mPostedDirtyRegion );
|
|
}
|
|
|
|
void Layer::unlockPageFlip(
|
|
const Transform& planeTransform, Region& outDirtyRegion)
|
|
{
|
|
Region dirtyRegion(mPostedDirtyRegion);
|
|
if (!dirtyRegion.isEmpty()) {
|
|
mPostedDirtyRegion.clear();
|
|
// The dirty region is given in the layer's coordinate space
|
|
// transform the dirty region by the surface's transformation
|
|
// and the global transformation.
|
|
const Layer::State& s(drawingState());
|
|
const Transform tr(planeTransform * s.transform);
|
|
dirtyRegion = tr.transform(dirtyRegion);
|
|
|
|
// At this point, the dirty region is in screen space.
|
|
// Make sure it's constrained by the visible region (which
|
|
// is in screen space as well).
|
|
dirtyRegion.andSelf(visibleRegionScreen);
|
|
outDirtyRegion.orSelf(dirtyRegion);
|
|
}
|
|
if (visibleRegionScreen.isEmpty()) {
|
|
// an invisible layer should not hold a freeze-lock
|
|
// (because it may never be updated and therefore never release it)
|
|
mFreezeLock.clear();
|
|
}
|
|
}
|
|
|
|
void Layer::dump(String8& result, char* buffer, size_t SIZE) const
|
|
{
|
|
LayerBaseClient::dump(result, buffer, SIZE);
|
|
|
|
ClientRef::Access sharedClient(mUserClientRef);
|
|
SharedBufferServer* lcblk(sharedClient.get());
|
|
uint32_t totalTime = 0;
|
|
if (lcblk) {
|
|
SharedBufferStack::Statistics stats = lcblk->getStats();
|
|
totalTime= stats.totalTime;
|
|
result.append( lcblk->dump(" ") );
|
|
}
|
|
|
|
sp<const GraphicBuffer> buf0(getBuffer(0));
|
|
sp<const GraphicBuffer> buf1(getBuffer(1));
|
|
uint32_t w0=0, h0=0, s0=0;
|
|
uint32_t w1=0, h1=0, s1=0;
|
|
if (buf0 != 0) {
|
|
w0 = buf0->getWidth();
|
|
h0 = buf0->getHeight();
|
|
s0 = buf0->getStride();
|
|
}
|
|
if (buf1 != 0) {
|
|
w1 = buf1->getWidth();
|
|
h1 = buf1->getHeight();
|
|
s1 = buf1->getStride();
|
|
}
|
|
snprintf(buffer, SIZE,
|
|
" "
|
|
"format=%2d, [%3ux%3u:%3u] [%3ux%3u:%3u],"
|
|
" freezeLock=%p, bypass=%d, dq-q-time=%u us\n",
|
|
mFormat, w0, h0, s0, w1, h1, s1,
|
|
getFreezeLock().get(), mBypassState, totalTime);
|
|
|
|
result.append(buffer);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
Layer::ClientRef::ClientRef()
|
|
: mControlBlock(0), mToken(-1) {
|
|
}
|
|
|
|
Layer::ClientRef::~ClientRef() {
|
|
}
|
|
|
|
int32_t Layer::ClientRef::getToken() const {
|
|
Mutex::Autolock _l(mLock);
|
|
return mToken;
|
|
}
|
|
|
|
sp<UserClient> Layer::ClientRef::getClient() const {
|
|
Mutex::Autolock _l(mLock);
|
|
return mUserClient.promote();
|
|
}
|
|
|
|
status_t Layer::ClientRef::setToken(const sp<UserClient>& uc,
|
|
const sp<SharedBufferServer>& sharedClient, int32_t token) {
|
|
Mutex::Autolock _l(mLock);
|
|
|
|
{ // scope for strong mUserClient reference
|
|
sp<UserClient> userClient(mUserClient.promote());
|
|
if (mUserClient != 0 && mControlBlock != 0) {
|
|
mControlBlock->setStatus(NO_INIT);
|
|
}
|
|
}
|
|
|
|
mUserClient = uc;
|
|
mToken = token;
|
|
mControlBlock = sharedClient;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
sp<UserClient> Layer::ClientRef::getUserClientUnsafe() const {
|
|
return mUserClient.promote();
|
|
}
|
|
|
|
// this class gives us access to SharedBufferServer safely
|
|
// it makes sure the UserClient (and its associated shared memory)
|
|
// won't go away while we're accessing it.
|
|
Layer::ClientRef::Access::Access(const ClientRef& ref)
|
|
: mControlBlock(0)
|
|
{
|
|
Mutex::Autolock _l(ref.mLock);
|
|
mUserClientStrongRef = ref.mUserClient.promote();
|
|
if (mUserClientStrongRef != 0)
|
|
mControlBlock = ref.mControlBlock;
|
|
}
|
|
|
|
Layer::ClientRef::Access::~Access()
|
|
{
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
Layer::BufferManager::BufferManager(TextureManager& tm)
|
|
: mNumBuffers(NUM_BUFFERS), mTextureManager(tm),
|
|
mActiveBuffer(-1), mFailover(false)
|
|
{
|
|
}
|
|
|
|
Layer::BufferManager::~BufferManager()
|
|
{
|
|
}
|
|
|
|
status_t Layer::BufferManager::resize(size_t size)
|
|
{
|
|
Mutex::Autolock _l(mLock);
|
|
mNumBuffers = size;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// only for debugging
|
|
sp<GraphicBuffer> Layer::BufferManager::getBuffer(size_t index) const {
|
|
return mBufferData[index].buffer;
|
|
}
|
|
|
|
status_t Layer::BufferManager::setActiveBufferIndex(size_t index) {
|
|
mActiveBuffer = index;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
size_t Layer::BufferManager::getActiveBufferIndex() const {
|
|
return mActiveBuffer;
|
|
}
|
|
|
|
Texture Layer::BufferManager::getActiveTexture() const {
|
|
Texture res;
|
|
if (mFailover || mActiveBuffer<0) {
|
|
res = mFailoverTexture;
|
|
} else {
|
|
static_cast<Image&>(res) = mBufferData[mActiveBuffer].texture;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
sp<GraphicBuffer> Layer::BufferManager::getActiveBuffer() const {
|
|
sp<GraphicBuffer> result;
|
|
const ssize_t activeBuffer = mActiveBuffer;
|
|
if (activeBuffer >= 0) {
|
|
BufferData const * const buffers = mBufferData;
|
|
Mutex::Autolock _l(mLock);
|
|
result = buffers[activeBuffer].buffer;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
sp<GraphicBuffer> Layer::BufferManager::detachBuffer(size_t index)
|
|
{
|
|
BufferData* const buffers = mBufferData;
|
|
sp<GraphicBuffer> buffer;
|
|
Mutex::Autolock _l(mLock);
|
|
buffer = buffers[index].buffer;
|
|
buffers[index].buffer = 0;
|
|
return buffer;
|
|
}
|
|
|
|
status_t Layer::BufferManager::attachBuffer(size_t index,
|
|
const sp<GraphicBuffer>& buffer)
|
|
{
|
|
BufferData* const buffers = mBufferData;
|
|
Mutex::Autolock _l(mLock);
|
|
buffers[index].buffer = buffer;
|
|
buffers[index].texture.dirty = true;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t Layer::BufferManager::destroy(EGLDisplay dpy)
|
|
{
|
|
BufferData* const buffers = mBufferData;
|
|
size_t num;
|
|
{ // scope for the lock
|
|
Mutex::Autolock _l(mLock);
|
|
num = mNumBuffers;
|
|
for (size_t i=0 ; i<num ; i++) {
|
|
buffers[i].buffer = 0;
|
|
}
|
|
}
|
|
for (size_t i=0 ; i<num ; i++) {
|
|
destroyTexture(&buffers[i].texture, dpy);
|
|
}
|
|
destroyTexture(&mFailoverTexture, dpy);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t Layer::BufferManager::initEglImage(EGLDisplay dpy,
|
|
const sp<GraphicBuffer>& buffer)
|
|
{
|
|
status_t err = NO_INIT;
|
|
ssize_t index = mActiveBuffer;
|
|
if (index >= 0) {
|
|
if (!mFailover) {
|
|
{
|
|
// Without that lock, there is a chance of race condition
|
|
// where while composing a specific index, requestBuf
|
|
// with the same index can be executed and touch the same data
|
|
// that is being used in initEglImage.
|
|
// (e.g. dirty flag in texture)
|
|
Mutex::Autolock _l(mLock);
|
|
Image& texture(mBufferData[index].texture);
|
|
err = mTextureManager.initEglImage(&texture, dpy, buffer);
|
|
}
|
|
// if EGLImage fails, we switch to regular texture mode, and we
|
|
// free all resources associated with using EGLImages.
|
|
if (err == NO_ERROR) {
|
|
mFailover = false;
|
|
destroyTexture(&mFailoverTexture, dpy);
|
|
} else {
|
|
mFailover = true;
|
|
const size_t num = mNumBuffers;
|
|
for (size_t i=0 ; i<num ; i++) {
|
|
destroyTexture(&mBufferData[i].texture, dpy);
|
|
}
|
|
}
|
|
} else {
|
|
// we failed once, don't try again
|
|
err = BAD_VALUE;
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
status_t Layer::BufferManager::loadTexture(
|
|
const Region& dirty, const GGLSurface& t)
|
|
{
|
|
return mTextureManager.loadTexture(&mFailoverTexture, dirty, t);
|
|
}
|
|
|
|
status_t Layer::BufferManager::destroyTexture(Image* tex, EGLDisplay dpy)
|
|
{
|
|
if (tex->name != -1U) {
|
|
glDeleteTextures(1, &tex->name);
|
|
tex->name = -1U;
|
|
}
|
|
if (tex->image != EGL_NO_IMAGE_KHR) {
|
|
eglDestroyImageKHR(dpy, tex->image);
|
|
tex->image = EGL_NO_IMAGE_KHR;
|
|
}
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
Layer::SurfaceLayer::SurfaceLayer(const sp<SurfaceFlinger>& flinger,
|
|
const sp<Layer>& owner)
|
|
: Surface(flinger, owner->getIdentity(), owner)
|
|
{
|
|
}
|
|
|
|
Layer::SurfaceLayer::~SurfaceLayer()
|
|
{
|
|
}
|
|
|
|
sp<GraphicBuffer> Layer::SurfaceLayer::requestBuffer(int index,
|
|
uint32_t w, uint32_t h, uint32_t format, uint32_t usage)
|
|
{
|
|
sp<GraphicBuffer> buffer;
|
|
sp<Layer> owner(getOwner());
|
|
if (owner != 0) {
|
|
/*
|
|
* requestBuffer() cannot be called from the main thread
|
|
* as it could cause a dead-lock, since it may have to wait
|
|
* on conditions updated my the main thread.
|
|
*/
|
|
buffer = owner->requestBuffer(index, w, h, format, usage);
|
|
}
|
|
return buffer;
|
|
}
|
|
|
|
status_t Layer::SurfaceLayer::setBufferCount(int bufferCount)
|
|
{
|
|
status_t err = DEAD_OBJECT;
|
|
sp<Layer> owner(getOwner());
|
|
if (owner != 0) {
|
|
/*
|
|
* setBufferCount() cannot be called from the main thread
|
|
* as it could cause a dead-lock, since it may have to wait
|
|
* on conditions updated my the main thread.
|
|
*/
|
|
err = owner->setBufferCount(bufferCount);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
status_t Layer::SurfaceLayer::setStereoscopic3DFormat(int format)
|
|
{
|
|
sp<Layer> owner(getOwner());
|
|
if (owner != 0) {
|
|
owner->setStereoscopic3DFormat(format);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
status_t Layer::SurfaceLayer::useOriginalSurfaceResolution(bool flag)
|
|
{
|
|
sp<Layer> owner(getOwner());
|
|
if (LIKELY(owner != 0)) {
|
|
owner->useOriginalSurfaceResolution(flag);
|
|
const DisplayHardware& hw(owner->graphicPlane(0).displayHardware());
|
|
hw.startOrigResDisplay();
|
|
}
|
|
return 0;
|
|
}
|
|
// ---------------------------------------------------------------------------
|
|
|
|
|
|
}; // namespace android
|