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- /*
- * Copyright (C) 2010 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.
- */
- #define ATRACE_TAG ATRACE_TAG_GRAPHICS
- // Uncomment this to remove support for HWC_DEVICE_API_VERSION_0_3 and older
- // #define HWC_REMOVE_DEPRECATED_VERSIONS 1
- #include <stdint.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <sys/types.h>
- #include <utils/Errors.h>
- #include <utils/misc.h>
- #include <utils/String8.h>
- #include <utils/Thread.h>
- #include <utils/Trace.h>
- #include <utils/Vector.h>
- #include <ui/GraphicBuffer.h>
- #include <hardware/hardware.h>
- #include <hardware/hwcomposer.h>
- #include <cutils/log.h>
- #include <cutils/properties.h>
- #include "Layer.h" // needed only for debugging
- #include "LayerBase.h"
- #include "HWComposer.h"
- #include "SurfaceFlinger.h"
- #include <utils/CallStack.h>
- namespace android {
- // ---------------------------------------------------------------------------
- // Support for HWC_DEVICE_API_VERSION_0_3 and older:
- // Since v0.3 is deprecated and support will be dropped soon, as much as
- // possible the code is written to target v1.0. When using a v0.3 HWC, we
- // allocate v0.3 structures, but assign them to v1.0 pointers.
- #if HWC_REMOVE_DEPRECATED_VERSIONS
- // We need complete types to satisfy semantic checks, even though the code
- // paths that use these won't get executed at runtime (and will likely be dead-
- // code-eliminated). When we remove the code to support v0.3 we can remove
- // these as well.
- typedef hwc_layer_1_t hwc_layer_t;
- typedef hwc_display_contents_1_t hwc_layer_list_t;
- typedef hwc_composer_device_1_t hwc_composer_device_t;
- #endif
- // This function assumes we've already rejected HWC's with lower-than-required
- // versions. Don't use it for the initial "does HWC meet requirements" check!
- #define MIN_HWC_HEADER_VERSION 0
- static uint32_t hwcApiVersion(const hwc_composer_device_1_t* hwc) {
- uint32_t hwcVersion = hwc->common.version;
- if (MIN_HWC_HEADER_VERSION == 0 &&
- (hwcVersion & HARDWARE_API_VERSION_2_MAJ_MIN_MASK) == 0) {
- // legacy version encoding
- hwcVersion <<= 16;
- }
- return hwcVersion & HARDWARE_API_VERSION_2_MAJ_MIN_MASK;
- }
- static uint32_t hwcHeaderVersion(const hwc_composer_device_1_t* hwc) {
- uint32_t hwcVersion = hwc->common.version;
- if (MIN_HWC_HEADER_VERSION == 0 &&
- (hwcVersion & HARDWARE_API_VERSION_2_MAJ_MIN_MASK) == 0) {
- // legacy version encoding
- hwcVersion <<= 16;
- }
- return hwcVersion & HARDWARE_API_VERSION_2_HEADER_MASK;
- }
- static bool hwcHasApiVersion(const hwc_composer_device_1_t* hwc,
- uint32_t version) {
- return hwcApiVersion(hwc) >= (version & HARDWARE_API_VERSION_2_MAJ_MIN_MASK);
- }
- static bool hwcHasVsyncEvent(const hwc_composer_device_1_t* hwc) {
- return hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_0_3);
- }
- static size_t sizeofHwcLayerList(const hwc_composer_device_1_t* hwc,
- size_t numLayers) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- return sizeof(hwc_display_contents_1_t) + numLayers*sizeof(hwc_layer_1_t);
- } else {
- return sizeof(hwc_layer_list_t) + numLayers*sizeof(hwc_layer_t);
- }
- }
- static int hwcEventControl(hwc_composer_device_1_t* hwc, int dpy,
- int event, int enabled) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- return hwc->eventControl(hwc, dpy, event, enabled);
- } else {
- hwc_composer_device_t* hwc0 = reinterpret_cast<hwc_composer_device_t*>(hwc);
- return hwc0->methods->eventControl(hwc0, event, enabled);
- }
- }
- static int hwcBlank(hwc_composer_device_1_t* hwc, int dpy, int blank) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- return hwc->blank(hwc, dpy, blank);
- } else {
- if (blank) {
- hwc_composer_device_t* hwc0 = reinterpret_cast<hwc_composer_device_t*>(hwc);
- return hwc0->set(hwc0, NULL, NULL, NULL);
- } else {
- // HWC 0.x turns the screen on at the next set()
- return NO_ERROR;
- }
- }
- }
- static int hwcPrepare(hwc_composer_device_1_t* hwc,
- size_t numDisplays, hwc_display_contents_1_t** displays) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- return hwc->prepare(hwc, numDisplays, displays);
- } else {
- hwc_composer_device_t* hwc0 = reinterpret_cast<hwc_composer_device_t*>(hwc);
- hwc_layer_list_t* list0 = reinterpret_cast<hwc_layer_list_t*>(displays[0]);
- // In the past, SurfaceFlinger would pass a NULL list when doing full
- // OpenGL ES composition. I don't know what, if any, dependencies there
- // are on this behavior, so I'm playing it safe and preserving it.
- // ... and I'm removing it. NULL layers kill the Tegra compositor (RC, Nov 2012)
- /*if (list0->numHwLayers == 0)
- return hwc0->prepare(hwc0, NULL);
- else*/
- return hwc0->prepare(hwc0, list0);
- }
- }
- static int hwcSet(hwc_composer_device_1_t* hwc, EGLDisplay dpy, EGLSurface sur,
- size_t numDisplays, hwc_display_contents_1_t** displays) {
- int err;
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- displays[0]->dpy = dpy;
- displays[0]->sur = sur;
- err = hwc->set(hwc, numDisplays, displays);
- } else {
- hwc_composer_device_t* hwc0 = reinterpret_cast<hwc_composer_device_t*>(hwc);
- hwc_layer_list_t* list0 = reinterpret_cast<hwc_layer_list_t*>(displays[0]);
- err = hwc0->set(hwc0, dpy, sur, list0);
- }
- return err;
- }
- static uint32_t& hwcFlags(hwc_composer_device_1_t* hwc,
- hwc_display_contents_1_t* display) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- return display->flags;
- } else {
- hwc_layer_list_t* list0 = reinterpret_cast<hwc_layer_list_t*>(display);
- return list0->flags;
- }
- }
- static size_t& hwcNumHwLayers(hwc_composer_device_1_t* hwc,
- hwc_display_contents_1_t* display) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- return display->numHwLayers;
- } else {
- hwc_layer_list_t* list0 = reinterpret_cast<hwc_layer_list_t*>(display);
- return list0->numHwLayers;
- }
- }
- static void hwcDump(hwc_composer_device_1_t* hwc, char* buff, int buff_len) {
- if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_1_0)) {
- if (hwc->dump)
- hwc->dump(hwc, buff, buff_len);
- } else if (hwcHasApiVersion(hwc, HWC_DEVICE_API_VERSION_0_1)) {
- hwc_composer_device_t* hwc0 = reinterpret_cast<hwc_composer_device_t*>(hwc);
- if (hwc0->dump)
- hwc0->dump(hwc0, buff, buff_len);
- }
- }
- // ---------------------------------------------------------------------------
- struct HWComposer::cb_context {
- struct callbacks : public hwc_procs_t {
- // these are here to facilitate the transition when adding
- // new callbacks (an implementation can check for NULL before
- // calling a new callback).
- void (*zero[4])(void);
- };
- callbacks procs;
- HWComposer* hwc;
- };
- // ---------------------------------------------------------------------------
- HWComposer::HWComposer(
- const sp<SurfaceFlinger>& flinger,
- EventHandler& handler)
- : mFlinger(flinger),
- mFbDev(0), mHwc(0), mNumDisplays(1),
- mCBContext(new cb_context),
- mEventHandler(handler),
- mVSyncCount(0), mDebugForceFakeVSync(false)
- {
- for (size_t i =0 ; i<MAX_DISPLAYS ; i++) {
- mLists[i] = 0;
- }
- char value[PROPERTY_VALUE_MAX];
- property_get("debug.sf.no_hw_vsync", value, "0");
- mDebugForceFakeVSync = atoi(value);
- bool needVSyncThread = true;
- // Note: some devices may insist that the FB HAL be opened before HWC.
- loadFbHalModule();
- loadHwcModule();
- if (mFbDev && mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // close FB HAL if we don't needed it.
- // FIXME: this is temporary until we're not forced to open FB HAL
- // before HWC.
- framebuffer_close(mFbDev);
- mFbDev = NULL;
- }
- // If we have no HWC, or a pre-1.1 HWC, an FB dev is mandatory.
- if ((!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
- && !mFbDev) {
- ALOGE("ERROR: failed to open framebuffer, aborting");
- abort();
- }
- // these display IDs are always reserved
- for (size_t i=0 ; i<HWC_NUM_DISPLAY_TYPES ; i++) {
- mAllocatedDisplayIDs.markBit(i);
- }
- if (mHwc) {
- ALOGI("Using %s version %u.%u", HWC_HARDWARE_COMPOSER,
- (hwcApiVersion(mHwc) >> 24) & 0xff,
- (hwcApiVersion(mHwc) >> 16) & 0xff);
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- if (mHwc->registerProcs) {
- mCBContext->hwc = this;
- mCBContext->procs.invalidate = &hook_invalidate;
- mCBContext->procs.vsync = &hook_vsync;
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
- mCBContext->procs.hotplug = &hook_hotplug;
- else
- mCBContext->procs.hotplug = NULL;
- memset(mCBContext->procs.zero, 0, sizeof(mCBContext->procs.zero));
- mHwc->registerProcs(mHwc, &mCBContext->procs);
- }
- } else {
- hwc_composer_device_t* hwc0 = reinterpret_cast<hwc_composer_device_t*>(mHwc);
- if (hwc0->registerProcs) {
- mCBContext->hwc = this;
- mCBContext->procs.invalidate = &hook_invalidate;
- mCBContext->procs.vsync = &hook_vsync;
- memset(mCBContext->procs.zero, 0, sizeof(mCBContext->procs.zero));
- hwc0->registerProcs(hwc0, &mCBContext->procs);
- }
- }
- // don't need a vsync thread if we have a hardware composer
- needVSyncThread = false;
- // always turn vsync off when we start
- if (hwcHasVsyncEvent(mHwc)) {
- eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
- // the number of displays we actually have depends on the
- // hw composer version
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) {
- // 1.2 adds support for virtual displays
- mNumDisplays = MAX_DISPLAYS;
- } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // 1.1 adds support for multiple displays
- mNumDisplays = HWC_NUM_DISPLAY_TYPES;
- } else {
- mNumDisplays = 1;
- }
- } else {
- needVSyncThread = true;
- mNumDisplays = 1;
- }
- }
- if (mFbDev) {
- ALOG_ASSERT(!(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)),
- "should only have fbdev if no hwc or hwc is 1.0");
- DisplayData& disp(mDisplayData[HWC_DISPLAY_PRIMARY]);
- disp.connected = true;
- disp.width = mFbDev->width;
- disp.height = mFbDev->height;
- disp.format = mFbDev->format;
- disp.xdpi = mFbDev->xdpi;
- disp.ydpi = mFbDev->ydpi;
- if (disp.refresh == 0) {
- disp.refresh = nsecs_t(1e9 / mFbDev->fps);
- ALOGW("getting VSYNC period from fb HAL: %lld", disp.refresh);
- }
- if (disp.refresh == 0) {
- disp.refresh = nsecs_t(1e9 / 60.0);
- ALOGW("getting VSYNC period from thin air: %lld",
- mDisplayData[HWC_DISPLAY_PRIMARY].refresh);
- }
- } else if (mHwc) {
- // here we're guaranteed to have at least HWC 1.1
- for (size_t i =0 ; i<HWC_NUM_DISPLAY_TYPES ; i++) {
- queryDisplayProperties(i);
- }
- }
- if (needVSyncThread) {
- // we don't have VSYNC support, we need to fake it
- mVSyncThread = new VSyncThread(*this);
- }
- }
- HWComposer::~HWComposer() {
- if (mHwc) {
- eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
- }
- if (mVSyncThread != NULL) {
- mVSyncThread->requestExitAndWait();
- }
- if (mHwc) {
- hwc_close_1(mHwc);
- }
- if (mFbDev) {
- framebuffer_close(mFbDev);
- }
- delete mCBContext;
- }
- // Load and prepare the hardware composer module. Sets mHwc.
- void HWComposer::loadHwcModule()
- {
- hw_module_t const* module;
- if (hw_get_module(HWC_HARDWARE_MODULE_ID, &module) != 0) {
- ALOGE("%s module not found", HWC_HARDWARE_MODULE_ID);
- return;
- }
- int err = hwc_open_1(module, &mHwc);
- if (err) {
- ALOGE("%s device failed to initialize (%s)",
- HWC_HARDWARE_COMPOSER, strerror(-err));
- return;
- }
- if (HWC_REMOVE_DEPRECATED_VERSIONS &&
- (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0) ||
- hwcHeaderVersion(mHwc) < MIN_HWC_HEADER_VERSION ||
- hwcHeaderVersion(mHwc) > HWC_HEADER_VERSION)) {
- ALOGE("%s device version %#x unsupported, will not be used",
- HWC_HARDWARE_COMPOSER, mHwc->common.version);
- hwc_close_1(mHwc);
- mHwc = NULL;
- return;
- }
- }
- // Load and prepare the FB HAL, which uses the gralloc module. Sets mFbDev.
- void HWComposer::loadFbHalModule()
- {
- hw_module_t const* module;
- if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) != 0) {
- ALOGE("%s module not found", GRALLOC_HARDWARE_MODULE_ID);
- return;
- }
- int err = framebuffer_open(module, &mFbDev);
- if (err) {
- ALOGE("framebuffer_open failed (%s)", strerror(-err));
- return;
- }
- }
- status_t HWComposer::initCheck() const {
- return mHwc ? NO_ERROR : NO_INIT;
- }
- void HWComposer::hook_invalidate(const struct hwc_procs* procs) {
- cb_context* ctx = reinterpret_cast<cb_context*>(
- const_cast<hwc_procs_t*>(procs));
- ctx->hwc->invalidate();
- }
- void HWComposer::hook_vsync(const struct hwc_procs* procs, int disp,
- int64_t timestamp) {
- cb_context* ctx = reinterpret_cast<cb_context*>(
- const_cast<hwc_procs_t*>(procs));
- ctx->hwc->vsync(disp, timestamp);
- }
- void HWComposer::hook_hotplug(const struct hwc_procs* procs, int disp,
- int connected) {
- cb_context* ctx = reinterpret_cast<cb_context*>(
- const_cast<hwc_procs_t*>(procs));
- ctx->hwc->hotplug(disp, connected);
- }
- void HWComposer::invalidate() {
- mFlinger->repaintEverything();
- }
- void HWComposer::vsync(int disp, int64_t timestamp) {
- ATRACE_INT("VSYNC", ++mVSyncCount&1);
- mEventHandler.onVSyncReceived(disp, timestamp);
- Mutex::Autolock _l(mLock);
- mLastHwVSync = timestamp;
- }
- void HWComposer::hotplug(int disp, int connected) {
- if (disp == HWC_DISPLAY_PRIMARY || disp >= HWC_NUM_DISPLAY_TYPES) {
- ALOGE("hotplug event received for invalid display: disp=%d connected=%d",
- disp, connected);
- return;
- }
- queryDisplayProperties(disp);
- mEventHandler.onHotplugReceived(disp, bool(connected));
- }
- static const uint32_t DISPLAY_ATTRIBUTES[] = {
- HWC_DISPLAY_VSYNC_PERIOD,
- HWC_DISPLAY_WIDTH,
- HWC_DISPLAY_HEIGHT,
- HWC_DISPLAY_DPI_X,
- HWC_DISPLAY_DPI_Y,
- HWC_DISPLAY_NO_ATTRIBUTE,
- };
- #define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0])
- // http://developer.android.com/reference/android/util/DisplayMetrics.html
- #define ANDROID_DENSITY_TV 213
- #define ANDROID_DENSITY_XHIGH 320
- status_t HWComposer::queryDisplayProperties(int disp) {
- LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
- // use zero as default value for unspecified attributes
- int32_t values[NUM_DISPLAY_ATTRIBUTES - 1];
- memset(values, 0, sizeof(values));
- uint32_t config;
- size_t numConfigs = 1;
- status_t err = mHwc->getDisplayConfigs(mHwc, disp, &config, &numConfigs);
- if (err != NO_ERROR) {
- // this can happen if an unpluggable display is not connected
- mDisplayData[disp].connected = false;
- return err;
- }
- err = mHwc->getDisplayAttributes(mHwc, disp, config, DISPLAY_ATTRIBUTES, values);
- if (err != NO_ERROR) {
- // we can't get this display's info. turn it off.
- mDisplayData[disp].connected = false;
- return err;
- }
- int32_t w = 0, h = 0;
- for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) {
- switch (DISPLAY_ATTRIBUTES[i]) {
- case HWC_DISPLAY_VSYNC_PERIOD:
- mDisplayData[disp].refresh = nsecs_t(values[i]);
- break;
- case HWC_DISPLAY_WIDTH:
- mDisplayData[disp].width = values[i];
- break;
- case HWC_DISPLAY_HEIGHT:
- mDisplayData[disp].height = values[i];
- break;
- case HWC_DISPLAY_DPI_X:
- mDisplayData[disp].xdpi = values[i] / 1000.0f;
- break;
- case HWC_DISPLAY_DPI_Y:
- mDisplayData[disp].ydpi = values[i] / 1000.0f;
- break;
- default:
- ALOG_ASSERT(false, "unknown display attribute[%d] %#x",
- i, DISPLAY_ATTRIBUTES[i]);
- break;
- }
- }
- // FIXME: what should we set the format to?
- mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888;
- mDisplayData[disp].connected = true;
- if (mDisplayData[disp].xdpi == 0.0f || mDisplayData[disp].ydpi == 0.0f) {
- // is there anything smarter we can do?
- if (h >= 1080) {
- mDisplayData[disp].xdpi = ANDROID_DENSITY_XHIGH;
- mDisplayData[disp].ydpi = ANDROID_DENSITY_XHIGH;
- } else {
- mDisplayData[disp].xdpi = ANDROID_DENSITY_TV;
- mDisplayData[disp].ydpi = ANDROID_DENSITY_TV;
- }
- }
- return NO_ERROR;
- }
- int32_t HWComposer::allocateDisplayId() {
- if (mAllocatedDisplayIDs.count() >= mNumDisplays) {
- return NO_MEMORY;
- }
- int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit();
- mAllocatedDisplayIDs.markBit(id);
- return id;
- }
- status_t HWComposer::freeDisplayId(int32_t id) {
- if (id < HWC_NUM_DISPLAY_TYPES) {
- // cannot free the reserved IDs
- return BAD_VALUE;
- }
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
- mAllocatedDisplayIDs.clearBit(id);
- return NO_ERROR;
- }
- nsecs_t HWComposer::getRefreshPeriod(int disp) const {
- return mDisplayData[disp].refresh;
- }
- nsecs_t HWComposer::getRefreshTimestamp(int disp) const {
- // this returns the last refresh timestamp.
- // if the last one is not available, we estimate it based on
- // the refresh period and whatever closest timestamp we have.
- Mutex::Autolock _l(mLock);
- nsecs_t now = systemTime(CLOCK_MONOTONIC);
- return now - ((now - mLastHwVSync) % mDisplayData[disp].refresh);
- }
- uint32_t HWComposer::getWidth(int disp) const {
- return mDisplayData[disp].width;
- }
- uint32_t HWComposer::getHeight(int disp) const {
- return mDisplayData[disp].height;
- }
- uint32_t HWComposer::getFormat(int disp) const {
- return mDisplayData[disp].format;
- }
- float HWComposer::getDpiX(int disp) const {
- return mDisplayData[disp].xdpi;
- }
- float HWComposer::getDpiY(int disp) const {
- return mDisplayData[disp].ydpi;
- }
- bool HWComposer::isConnected(int disp) const {
- return mDisplayData[disp].connected;
- }
- void HWComposer::eventControl(int disp, int event, int enabled) {
- if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) {
- ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)",
- event, disp, enabled);
- return;
- }
- if (event != EVENT_VSYNC) {
- ALOGW("eventControl got unexpected event %d (disp=%d en=%d)",
- event, disp, enabled);
- return;
- }
- status_t err = NO_ERROR;
- if (mHwc && !mDebugForceFakeVSync && hwcHasVsyncEvent(mHwc)) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- // NOTE: we use our own internal lock here because we have to call
- // into the HWC with the lock held, and we want to make sure
- // that even if HWC blocks (which it shouldn't), it won't
- // affect other threads.
- Mutex::Autolock _l(mEventControlLock);
- const int32_t eventBit = 1UL << event;
- const int32_t newValue = enabled ? eventBit : 0;
- const int32_t oldValue = mDisplayData[disp].events & eventBit;
- if (newValue != oldValue) {
- ATRACE_CALL();
- err = hwcEventControl(mHwc, disp, event, enabled);
- if (!err) {
- int32_t& events(mDisplayData[disp].events);
- events = (events & ~eventBit) | newValue;
- }
- }
- } else {
- err = hwcEventControl(mHwc, disp, event, enabled);
- }
- // error here should not happen -- not sure what we should
- // do if it does.
- ALOGE_IF(err, "eventControl(%d, %d) failed %s",
- event, enabled, strerror(-err));
- }
- if (err == NO_ERROR && mVSyncThread != NULL) {
- mVSyncThread->setEnabled(enabled);
- }
- }
- status_t HWComposer::createWorkList(int32_t id, size_t numLayers) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
- if (mHwc) {
- DisplayData& disp(mDisplayData[id]);
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // we need space for the HWC_FRAMEBUFFER_TARGET
- numLayers++;
- }
- if (disp.capacity < numLayers || disp.list == NULL) {
- size_t size = sizeofHwcLayerList(mHwc, numLayers);
- free(disp.list);
- disp.list = (hwc_display_contents_1_t*)malloc(size);
- disp.capacity = numLayers;
- }
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- disp.framebufferTarget = &disp.list->hwLayers[numLayers - 1];
- memset(disp.framebufferTarget, 0, sizeof(hwc_layer_1_t));
- const hwc_rect_t r = { 0, 0, disp.width, disp.height };
- disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET;
- disp.framebufferTarget->hints = 0;
- disp.framebufferTarget->flags = 0;
- disp.framebufferTarget->handle = disp.fbTargetHandle;
- disp.framebufferTarget->transform = 0;
- disp.framebufferTarget->blending = HWC_BLENDING_PREMULT;
- disp.framebufferTarget->sourceCrop = r;
- disp.framebufferTarget->displayFrame = r;
- disp.framebufferTarget->visibleRegionScreen.numRects = 1;
- disp.framebufferTarget->visibleRegionScreen.rects =
- &disp.framebufferTarget->displayFrame;
- disp.framebufferTarget->acquireFenceFd = -1;
- disp.framebufferTarget->releaseFenceFd = -1;
- }
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- disp.list->retireFenceFd = -1;
- }
- hwcFlags(mHwc, disp.list) = HWC_GEOMETRY_CHANGED;
- hwcNumHwLayers(mHwc, disp.list) = numLayers;
- }
- return NO_ERROR;
- }
- status_t HWComposer::setFramebufferTarget(int32_t id,
- const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buf) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return BAD_INDEX;
- }
- DisplayData& disp(mDisplayData[id]);
- if (!disp.framebufferTarget) {
- // this should never happen, but apparently eglCreateWindowSurface()
- // triggers a SurfaceTextureClient::queueBuffer() on some
- // devices (!?) -- log and ignore.
- ALOGE("HWComposer: framebufferTarget is null");
- // CallStack stack;
- // stack.update();
- // stack.dump("");
- return NO_ERROR;
- }
- int acquireFenceFd = -1;
- if (acquireFence != NULL) {
- acquireFenceFd = acquireFence->dup();
- }
- // ALOGD("fbPost: handle=%p, fence=%d", buf->handle, acquireFenceFd);
- disp.fbTargetHandle = buf->handle;
- disp.framebufferTarget->handle = disp.fbTargetHandle;
- disp.framebufferTarget->acquireFenceFd = acquireFenceFd;
- return NO_ERROR;
- }
- status_t HWComposer::prepare() {
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- DisplayData& disp(mDisplayData[i]);
- if (disp.framebufferTarget) {
- // make sure to reset the type to HWC_FRAMEBUFFER_TARGET
- // DO NOT reset the handle field to NULL, because it's possible
- // that we have nothing to redraw (eg: eglSwapBuffers() not called)
- // in which case, we should continue to use the same buffer.
- LOG_FATAL_IF(disp.list == NULL);
- disp.framebufferTarget->compositionType = HWC_FRAMEBUFFER_TARGET;
- }
- if (!disp.connected && disp.list != NULL) {
- ALOGW("WARNING: disp %d: connected, non-null list, layers=%d",
- i, hwcNumHwLayers(mHwc, disp.list));
- }
- mLists[i] = disp.list;
- if (mLists[i]) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) {
- mLists[i]->outbuf = NULL;
- mLists[i]->outbufAcquireFenceFd = -1;
- } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // garbage data to catch improper use
- mLists[i]->dpy = (hwc_display_t)0xDEADBEEF;
- mLists[i]->sur = (hwc_surface_t)0xDEADBEEF;
- } else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- mLists[i]->dpy = EGL_NO_DISPLAY;
- mLists[i]->sur = EGL_NO_SURFACE;
- }
- }
- }
- int err = hwcPrepare(mHwc, mNumDisplays, mLists);
- ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err));
- if (err == NO_ERROR) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- // here we're just making sure that "skip" layers are set
- // to HWC_FRAMEBUFFER and we're also counting how many layers
- // we have of each type.
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- DisplayData& disp(mDisplayData[i]);
- disp.hasFbComp = false;
- disp.hasOvComp = false;
- if (disp.list) {
- for (size_t i=0 ; i<hwcNumHwLayers(mHwc, disp.list) ; i++) {
- hwc_layer_1_t& l = disp.list->hwLayers[i];
- //ALOGD("prepare: %d, type=%d, handle=%p",
- // i, l.compositionType, l.handle);
- if (l.flags & HWC_SKIP_LAYER) {
- l.compositionType = HWC_FRAMEBUFFER;
- }
- if (l.compositionType == HWC_FRAMEBUFFER) {
- disp.hasFbComp = true;
- }
- if (l.compositionType == HWC_OVERLAY) {
- disp.hasOvComp = true;
- }
- }
- }
- }
- } else {
- DisplayData& disp(mDisplayData[0]);
- disp.hasFbComp = false;
- disp.hasOvComp = false;
- if (disp.list) {
- hwc_layer_list_t* list0 = reinterpret_cast<hwc_layer_list_t*>(disp.list);
- for (size_t i=0 ; i<hwcNumHwLayers(mHwc, disp.list) ; i++) {
- hwc_layer_t& l = list0->hwLayers[i];
- //ALOGD("prepare: %d, type=%d, handle=%p",
- // i, l.compositionType, l.handle);
- if (l.flags & HWC_SKIP_LAYER) {
- l.compositionType = HWC_FRAMEBUFFER;
- }
- if (l.compositionType == HWC_FRAMEBUFFER) {
- disp.hasFbComp = true;
- }
- // If the composition type is BLIT, we set this to
- // trigger a FLIP
- if(l.compositionType == HWC_BLIT) {
- disp.hasFbComp = true;
- }
- if (l.compositionType == HWC_OVERLAY) {
- disp.hasOvComp = true;
- }
- }
- }
- }
- }
- return (status_t)err;
- }
- bool HWComposer::hasHwcComposition(int32_t id) const {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return false;
- return mDisplayData[id].hasOvComp;
- }
- bool HWComposer::hasGlesComposition(int32_t id) const {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return false;
- return mDisplayData[id].hasFbComp;
- }
- int HWComposer::getAndResetReleaseFenceFd(int32_t id) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
- return BAD_INDEX;
- int fd = INVALID_OPERATION;
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- const DisplayData& disp(mDisplayData[id]);
- if (disp.framebufferTarget) {
- fd = disp.framebufferTarget->releaseFenceFd;
- disp.framebufferTarget->acquireFenceFd = -1;
- disp.framebufferTarget->releaseFenceFd = -1;
- }
- }
- return fd;
- }
- status_t HWComposer::commit() {
- int err = NO_ERROR;
- if (mHwc) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // On version 1.0, the OpenGL ES target surface is communicated
- // by the (dpy, sur) fields and we are guaranteed to have only
- // a single display.
- mLists[0]->dpy = eglGetCurrentDisplay();
- mLists[0]->sur = eglGetCurrentSurface(EGL_DRAW);
- }
- err = hwcSet(mHwc, mLists[0]->dpy, mLists[0]->sur, mNumDisplays,
- const_cast<hwc_display_contents_1_t**>(mLists));
- } else {
- err = hwcSet(mHwc, eglGetCurrentDisplay(), eglGetCurrentSurface(EGL_DRAW), mNumDisplays,
- const_cast<hwc_display_contents_1_t**>(mLists));
- }
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- DisplayData& disp(mDisplayData[i]);
- if (disp.list) {
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- if (disp.list->retireFenceFd != -1) {
- close(disp.list->retireFenceFd);
- disp.list->retireFenceFd = -1;
- }
- }
- hwcFlags(mHwc, disp.list) &= ~HWC_GEOMETRY_CHANGED;
- }
- }
- }
- return (status_t)err;
- }
- status_t HWComposer::release(int disp) {
- LOG_FATAL_IF(disp >= HWC_NUM_DISPLAY_TYPES);
- if (mHwc) {
- if (hwcHasVsyncEvent(mHwc)) {
- eventControl(disp, HWC_EVENT_VSYNC, 0);
- }
- return (status_t)hwcBlank(mHwc, disp, 1);
- }
- return NO_ERROR;
- }
- status_t HWComposer::acquire(int disp) {
- LOG_FATAL_IF(disp >= HWC_NUM_DISPLAY_TYPES);
- if (mHwc) {
- return (status_t)hwcBlank(mHwc, disp, 0);
- }
- return NO_ERROR;
- }
- void HWComposer::disconnectDisplay(int disp) {
- LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY);
- if (disp >= HWC_NUM_DISPLAY_TYPES) {
- // nothing to do for these yet
- return;
- }
- DisplayData& dd(mDisplayData[disp]);
- if (dd.list != NULL) {
- free(dd.list);
- dd.list = NULL;
- dd.framebufferTarget = NULL; // points into dd.list
- dd.fbTargetHandle = NULL;
- }
- }
- int HWComposer::getVisualID() const {
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // FIXME: temporary hack until HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
- // is supported by the implementation. we can only be in this case
- // if we have HWC 1.1
- return HAL_PIXEL_FORMAT_RGBA_8888;
- //return HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
- } else {
- return mFbDev->format;
- }
- }
- bool HWComposer::supportsFramebufferTarget() const {
- return (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
- }
- int HWComposer::fbPost(int32_t id,
- const sp<Fence>& acquireFence, const sp<GraphicBuffer>& buffer) {
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- return setFramebufferTarget(id, acquireFence, buffer);
- } else {
- if (acquireFence != NULL) {
- acquireFence->waitForever(1000, "HWComposer::fbPost");
- }
- return mFbDev->post(mFbDev, buffer->handle);
- }
- }
- int HWComposer::fbCompositionComplete() {
- if (mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
- return NO_ERROR;
- if (mFbDev->compositionComplete) {
- return mFbDev->compositionComplete(mFbDev);
- } else {
- return INVALID_OPERATION;
- }
- }
- void HWComposer::fbDump(String8& result) {
- if (mFbDev && mFbDev->common.version >= 1 && mFbDev->dump) {
- const size_t SIZE = 4096;
- char buffer[SIZE];
- mFbDev->dump(mFbDev, buffer, SIZE);
- result.append(buffer);
- }
- }
- /*
- * Helper template to implement a concrete HWCLayer
- * This holds the pointer to the concrete hwc layer type
- * and implements the "iterable" side of HWCLayer.
- */
- template<typename CONCRETE, typename HWCTYPE>
- class Iterable : public HWComposer::HWCLayer {
- protected:
- HWCTYPE* const mLayerList;
- HWCTYPE* mCurrentLayer;
- Iterable(HWCTYPE* layer) : mLayerList(layer), mCurrentLayer(layer) { }
- inline HWCTYPE const * getLayer() const { return mCurrentLayer; }
- inline HWCTYPE* getLayer() { return mCurrentLayer; }
- virtual ~Iterable() { }
- private:
- // returns a copy of ourselves
- virtual HWComposer::HWCLayer* dup() {
- return new CONCRETE( static_cast<const CONCRETE&>(*this) );
- }
- virtual status_t setLayer(size_t index) {
- mCurrentLayer = &mLayerList[index];
- return NO_ERROR;
- }
- };
- // #if !HWC_REMOVE_DEPRECATED_VERSIONS
- /*
- * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_0_3
- * This implements the HWCLayer side of HWCIterableLayer.
- */
- class HWCLayerVersion0 : public Iterable<HWCLayerVersion0, hwc_layer_t> {
- public:
- HWCLayerVersion0(hwc_layer_t* layer)
- : Iterable<HWCLayerVersion0, hwc_layer_t>(layer) { }
- virtual int32_t getCompositionType() const {
- return getLayer()->compositionType;
- }
- virtual uint32_t getHints() const {
- return getLayer()->hints;
- }
- virtual int getAndResetReleaseFenceFd() {
- // not supported on VERSION_03
- return -1;
- }
- virtual void setAcquireFenceFd(int fenceFd) {
- if (fenceFd != -1) {
- ALOGE("HWC 0.x can't handle acquire fences");
- close(fenceFd);
- }
- }
- virtual void setDefaultState() {
- getLayer()->compositionType = HWC_FRAMEBUFFER;
- getLayer()->hints = 0;
- getLayer()->flags = HWC_SKIP_LAYER;
- getLayer()->handle = 0;
- getLayer()->transform = 0;
- getLayer()->blending = HWC_BLENDING_NONE;
- getLayer()->visibleRegionScreen.numRects = 0;
- getLayer()->visibleRegionScreen.rects = NULL;
- }
- virtual void setPerFrameDefaultState() {
- //getLayer()->compositionType = HWC_FRAMEBUFFER;
- }
- virtual void setSkip(bool skip) {
- if (skip) {
- getLayer()->flags |= HWC_SKIP_LAYER;
- } else {
- getLayer()->flags &= ~HWC_SKIP_LAYER;
- }
- }
- virtual void setBlending(uint32_t blending) {
- getLayer()->blending = blending;
- }
- virtual void setTransform(uint32_t transform) {
- getLayer()->transform = transform;
- }
- virtual void setFrame(const Rect& frame) {
- reinterpret_cast<Rect&>(getLayer()->displayFrame) = frame;
- }
- virtual void setCrop(const Rect& crop) {
- reinterpret_cast<Rect&>(getLayer()->sourceCrop) = crop;
- }
- virtual void setVisibleRegionScreen(const Region& reg) {
- // Region::getSharedBuffer creates a reference to the underlying
- // SharedBuffer of this Region, this reference is freed
- // in onDisplayed()
- hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen;
- SharedBuffer const* sb = reg.getSharedBuffer(&visibleRegion.numRects);
- visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>(sb->data());
- }
- virtual void setBuffer(const sp<GraphicBuffer>& buffer) {
- if (buffer == 0 || buffer->handle == 0) {
- getLayer()->compositionType = HWC_FRAMEBUFFER;
- getLayer()->flags |= HWC_SKIP_LAYER;
- getLayer()->handle = 0;
- } else {
- getLayer()->handle = buffer->handle;
- }
- }
- virtual void onDisplayed() {
- hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen;
- SharedBuffer const* sb = SharedBuffer::bufferFromData(visibleRegion.rects);
- if (sb) {
- sb->release();
- // not technically needed but safer
- visibleRegion.numRects = 0;
- visibleRegion.rects = NULL;
- }
- }
- };
- // #endif // !HWC_REMOVE_DEPRECATED_VERSIONS
- /*
- * Concrete implementation of HWCLayer for HWC_DEVICE_API_VERSION_1_0.
- * This implements the HWCLayer side of HWCIterableLayer.
- */
- class HWCLayerVersion1 : public Iterable<HWCLayerVersion1, hwc_layer_1_t> {
- public:
- HWCLayerVersion1(hwc_layer_1_t* layer)
- : Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer) { }
- virtual int32_t getCompositionType() const {
- return getLayer()->compositionType;
- }
- virtual uint32_t getHints() const {
- return getLayer()->hints;
- }
- virtual int getAndResetReleaseFenceFd() {
- int fd = getLayer()->releaseFenceFd;
- getLayer()->releaseFenceFd = -1;
- return fd;
- }
- virtual void setAcquireFenceFd(int fenceFd) {
- getLayer()->acquireFenceFd = fenceFd;
- }
- virtual void setPerFrameDefaultState() {
- //getLayer()->compositionType = HWC_FRAMEBUFFER;
- }
- virtual void setDefaultState() {
- getLayer()->compositionType = HWC_FRAMEBUFFER;
- getLayer()->hints = 0;
- getLayer()->flags = HWC_SKIP_LAYER;
- getLayer()->handle = 0;
- getLayer()->transform = 0;
- getLayer()->blending = HWC_BLENDING_NONE;
- getLayer()->visibleRegionScreen.numRects = 0;
- getLayer()->visibleRegionScreen.rects = NULL;
- getLayer()->acquireFenceFd = -1;
- getLayer()->releaseFenceFd = -1;
- }
- virtual void setSkip(bool skip) {
- if (skip) {
- getLayer()->flags |= HWC_SKIP_LAYER;
- } else {
- getLayer()->flags &= ~HWC_SKIP_LAYER;
- }
- }
- virtual void setBlending(uint32_t blending) {
- getLayer()->blending = blending;
- }
- virtual void setTransform(uint32_t transform) {
- getLayer()->transform = transform;
- }
- virtual void setFrame(const Rect& frame) {
- reinterpret_cast<Rect&>(getLayer()->displayFrame) = frame;
- }
- virtual void setCrop(const Rect& crop) {
- reinterpret_cast<Rect&>(getLayer()->sourceCrop) = crop;
- }
- virtual void setVisibleRegionScreen(const Region& reg) {
- // Region::getSharedBuffer creates a reference to the underlying
- // SharedBuffer of this Region, this reference is freed
- // in onDisplayed()
- hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen;
- SharedBuffer const* sb = reg.getSharedBuffer(&visibleRegion.numRects);
- visibleRegion.rects = reinterpret_cast<hwc_rect_t const *>(sb->data());
- }
- virtual void setBuffer(const sp<GraphicBuffer>& buffer) {
- if (buffer == 0 || buffer->handle == 0) {
- getLayer()->compositionType = HWC_FRAMEBUFFER;
- getLayer()->flags |= HWC_SKIP_LAYER;
- getLayer()->handle = 0;
- } else {
- getLayer()->handle = buffer->handle;
- }
- }
- virtual void onDisplayed() {
- hwc_region_t& visibleRegion = getLayer()->visibleRegionScreen;
- SharedBuffer const* sb = SharedBuffer::bufferFromData(visibleRegion.rects);
- if (sb) {
- sb->release();
- // not technically needed but safer
- visibleRegion.numRects = 0;
- visibleRegion.rects = NULL;
- }
- getLayer()->acquireFenceFd = -1;
- }
- };
- /*
- * returns an iterator initialized at a given index in the layer list
- */
- HWComposer::LayerListIterator HWComposer::getLayerIterator(int32_t id, size_t index) {
- if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
- return LayerListIterator();
- }
- const DisplayData& disp(mDisplayData[id]);
- if (!mHwc || !disp.list || index > hwcNumHwLayers(mHwc,disp.list)) {
- return LayerListIterator();
- }
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0)) {
- return LayerListIterator(new HWCLayerVersion1(disp.list->hwLayers), index);
- } else {
- hwc_layer_list_t* list0 = reinterpret_cast<hwc_layer_list_t*>(disp.list);
- return LayerListIterator(new HWCLayerVersion0(list0->hwLayers), index);
- }
- }
- /*
- * returns an iterator on the beginning of the layer list
- */
- HWComposer::LayerListIterator HWComposer::begin(int32_t id) {
- return getLayerIterator(id, 0);
- }
- /*
- * returns an iterator on the end of the layer list
- */
- HWComposer::LayerListIterator HWComposer::end(int32_t id) {
- size_t numLayers = 0;
- if (uint32_t(id) <= 31 && mAllocatedDisplayIDs.hasBit(id)) {
- const DisplayData& disp(mDisplayData[id]);
- if (mHwc && disp.list) {
- numLayers = hwcNumHwLayers(mHwc, disp.list);
- if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
- // with HWC 1.1, the last layer is always the HWC_FRAMEBUFFER_TARGET,
- // which we ignore when iterating through the layer list.
- ALOGE_IF(!numLayers, "mDisplayData[%d].list->numHwLayers is 0", id);
- if (numLayers) {
- numLayers--;
- }
- }
- }
- }
- return getLayerIterator(id, numLayers);
- }
- void HWComposer::dump(String8& result, char* buffer, size_t SIZE) const {
- if (mHwc) {
- result.appendFormat("Hardware Composer state (version %8x):\n", hwcApiVersion(mHwc));
- result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync);
- for (size_t i=0 ; i<mNumDisplays ; i++) {
- const DisplayData& disp(mDisplayData[i]);
- const Vector< sp<LayerBase> >& visibleLayersSortedByZ =
- mFlinger->getLayerSortedByZForHwcDisplay(i);
- if (disp.connected) {
- result.appendFormat(
- " Display[%d] : %ux%u, xdpi=%f, ydpi=%f, refresh=%lld\n",
- i, disp.width, disp.height, disp.xdpi, disp.ydpi, disp.refresh);
- }
- if (disp.list && disp.connected) {
- result.appendFormat(
- " numHwLayers=%u, flags=%08x\n",
- disp.list->numHwLayers, disp.list->flags);
- result.append(
- " type | handle | hints | flags | tr | blend | format | source crop | frame name \n"
- "------------+----------+----------+----------+----+-------+----------+---------------------------+--------------------------------\n");
- // " __________ | ________ | ________ | ________ | __ | _____ | ________ | [_____,_____,_____,_____] | [_____,_____,_____,_____]
- for (size_t i=0 ; i<disp.list->numHwLayers ; i++) {
- const hwc_layer_1_t&l = disp.list->hwLayers[i];
- int32_t format = -1;
- String8 name("unknown");
- if (i < visibleLayersSortedByZ.size()) {
- const sp<LayerBase>& layer(visibleLayersSortedByZ[i]);
- if (layer->getLayer() != NULL) {
- const sp<GraphicBuffer>& buffer(
- layer->getLayer()->getActiveBuffer());
- if (buffer != NULL) {
- format = buffer->getPixelFormat();
- }
- }
- name = layer->getName();
- }
- int type = l.compositionType;
- if (type == HWC_FRAMEBUFFER_TARGET) {
- name = "HWC_FRAMEBUFFER_TARGET";
- format = disp.format;
- }
- static char const* compositionTypeName[] = {
- "GLES",
- "HWC",
- "BACKGROUND",
- "FB TARGET",
- "FB_BLIT",
- "UNKNOWN"};
- if (type >= NELEM(compositionTypeName))
- type = NELEM(compositionTypeName) - 1;
- result.appendFormat(
- " %10s | %08x | %08x | %08x | %02x | %05x | %08x | [%5d,%5d,%5d,%5d] | [%5d,%5d,%5d,%5d] %s\n",
- compositionTypeName[type],
- intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, format,
- l.sourceCrop.left, l.sourceCrop.top, l.sourceCrop.right, l.sourceCrop.bottom,
- l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom,
- name.string());
- }
- }
- }
- }
- if (mHwc) {
- hwcDump(mHwc, buffer, SIZE);
- result.append(buffer);
- }
- }
- // ---------------------------------------------------------------------------
- HWComposer::VSyncThread::VSyncThread(HWComposer& hwc)
- : mHwc(hwc), mEnabled(false),
- mNextFakeVSync(0),
- mRefreshPeriod(hwc.getRefreshPeriod(HWC_DISPLAY_PRIMARY))
- {
- }
- void HWComposer::VSyncThread::setEnabled(bool enabled) {
- Mutex::Autolock _l(mLock);
- if (mEnabled != enabled) {
- mEnabled = enabled;
- mCondition.signal();
- }
- }
- void HWComposer::VSyncThread::onFirstRef() {
- run("VSyncThread", PRIORITY_URGENT_DISPLAY + PRIORITY_MORE_FAVORABLE);
- }
- bool HWComposer::VSyncThread::threadLoop() {
- { // scope for lock
- Mutex::Autolock _l(mLock);
- while (!mEnabled) {
- mCondition.wait(mLock);
- }
- }
- const nsecs_t period = mRefreshPeriod;
- const nsecs_t now = systemTime(CLOCK_MONOTONIC);
- nsecs_t next_vsync = mNextFakeVSync;
- nsecs_t sleep = next_vsync - now;
- if (sleep < 0) {
- // we missed, find where the next vsync should be
- sleep = (period - ((now - next_vsync) % period));
- next_vsync = now + sleep;
- }
- mNextFakeVSync = next_vsync + period;
- struct timespec spec;
- spec.tv_sec = next_vsync / 1000000000;
- spec.tv_nsec = next_vsync % 1000000000;
- int err;
- do {
- err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL);
- } while (err<0 && errno == EINTR);
- if (err == 0 && mEnabled) {
- mHwc.mEventHandler.onVSyncReceived(0, next_vsync);
- }
- return true;
- }
- // ---------------------------------------------------------------------------
- }; // namespace android
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