fee52e20b9
* commit 'f3fa0712282e760c316f44cba05f884f9399b98f': Treat composition frames with no layers as using GLES composition
1153 lines
40 KiB
C++
1153 lines
40 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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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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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <math.h>
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#include <utils/Errors.h>
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#include <utils/misc.h>
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#include <utils/String8.h>
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#include <utils/Thread.h>
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#include <utils/Trace.h>
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#include <utils/Vector.h>
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#include <ui/GraphicBuffer.h>
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#include <hardware/hardware.h>
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#include <hardware/hwcomposer.h>
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#include <android/configuration.h>
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#include <cutils/log.h>
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#include <cutils/properties.h>
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#include "HWComposer.h"
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#include "../Layer.h" // needed only for debugging
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#include "../SurfaceFlinger.h"
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namespace android {
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#define MIN_HWC_HEADER_VERSION HWC_HEADER_VERSION
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static uint32_t hwcApiVersion(const hwc_composer_device_1_t* hwc) {
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uint32_t hwcVersion = hwc->common.version;
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return hwcVersion & HARDWARE_API_VERSION_2_MAJ_MIN_MASK;
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}
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static uint32_t hwcHeaderVersion(const hwc_composer_device_1_t* hwc) {
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uint32_t hwcVersion = hwc->common.version;
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return hwcVersion & HARDWARE_API_VERSION_2_HEADER_MASK;
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}
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static bool hwcHasApiVersion(const hwc_composer_device_1_t* hwc,
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uint32_t version) {
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return hwcApiVersion(hwc) >= (version & HARDWARE_API_VERSION_2_MAJ_MIN_MASK);
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}
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// ---------------------------------------------------------------------------
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struct HWComposer::cb_context {
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struct callbacks : public hwc_procs_t {
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// these are here to facilitate the transition when adding
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// new callbacks (an implementation can check for NULL before
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// calling a new callback).
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void (*zero[4])(void);
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};
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callbacks procs;
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HWComposer* hwc;
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};
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// ---------------------------------------------------------------------------
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HWComposer::HWComposer(
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const sp<SurfaceFlinger>& flinger,
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EventHandler& handler)
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: mFlinger(flinger),
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mFbDev(0), mHwc(0), mNumDisplays(1),
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mCBContext(new cb_context),
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mEventHandler(handler),
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mDebugForceFakeVSync(false)
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{
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for (size_t i =0 ; i<MAX_HWC_DISPLAYS ; i++) {
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mLists[i] = 0;
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}
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for (size_t i=0 ; i<HWC_NUM_PHYSICAL_DISPLAY_TYPES ; i++) {
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mLastHwVSync[i] = 0;
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mVSyncCounts[i] = 0;
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}
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char value[PROPERTY_VALUE_MAX];
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property_get("debug.sf.no_hw_vsync", value, "0");
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mDebugForceFakeVSync = atoi(value);
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bool needVSyncThread = true;
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// Note: some devices may insist that the FB HAL be opened before HWC.
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int fberr = loadFbHalModule();
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loadHwcModule();
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if (mFbDev && mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
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// close FB HAL if we don't needed it.
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// FIXME: this is temporary until we're not forced to open FB HAL
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// before HWC.
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framebuffer_close(mFbDev);
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mFbDev = NULL;
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}
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// If we have no HWC, or a pre-1.1 HWC, an FB dev is mandatory.
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if ((!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
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&& !mFbDev) {
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ALOGE("ERROR: failed to open framebuffer (%s), aborting",
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strerror(-fberr));
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abort();
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}
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// these display IDs are always reserved
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for (size_t i=0 ; i<NUM_BUILTIN_DISPLAYS ; i++) {
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mAllocatedDisplayIDs.markBit(i);
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}
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if (mHwc) {
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ALOGI("Using %s version %u.%u", HWC_HARDWARE_COMPOSER,
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(hwcApiVersion(mHwc) >> 24) & 0xff,
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(hwcApiVersion(mHwc) >> 16) & 0xff);
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if (mHwc->registerProcs) {
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mCBContext->hwc = this;
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mCBContext->procs.invalidate = &hook_invalidate;
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mCBContext->procs.vsync = &hook_vsync;
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if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
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mCBContext->procs.hotplug = &hook_hotplug;
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else
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mCBContext->procs.hotplug = NULL;
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memset(mCBContext->procs.zero, 0, sizeof(mCBContext->procs.zero));
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mHwc->registerProcs(mHwc, &mCBContext->procs);
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}
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// don't need a vsync thread if we have a hardware composer
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needVSyncThread = false;
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// always turn vsync off when we start
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eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
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// the number of displays we actually have depends on the
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// hw composer version
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if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
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// 1.3 adds support for virtual displays
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mNumDisplays = MAX_HWC_DISPLAYS;
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} else if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)) {
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// 1.1 adds support for multiple displays
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mNumDisplays = NUM_BUILTIN_DISPLAYS;
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} else {
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mNumDisplays = 1;
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}
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}
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if (mFbDev) {
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ALOG_ASSERT(!(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)),
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"should only have fbdev if no hwc or hwc is 1.0");
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DisplayData& disp(mDisplayData[HWC_DISPLAY_PRIMARY]);
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disp.connected = true;
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disp.width = mFbDev->width;
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disp.height = mFbDev->height;
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disp.format = mFbDev->format;
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disp.xdpi = mFbDev->xdpi;
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disp.ydpi = mFbDev->ydpi;
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if (disp.refresh == 0) {
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disp.refresh = nsecs_t(1e9 / mFbDev->fps);
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ALOGW("getting VSYNC period from fb HAL: %lld", disp.refresh);
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}
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if (disp.refresh == 0) {
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disp.refresh = nsecs_t(1e9 / 60.0);
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ALOGW("getting VSYNC period from thin air: %lld",
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mDisplayData[HWC_DISPLAY_PRIMARY].refresh);
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}
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} else if (mHwc) {
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// here we're guaranteed to have at least HWC 1.1
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for (size_t i =0 ; i<NUM_BUILTIN_DISPLAYS ; i++) {
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queryDisplayProperties(i);
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}
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}
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if (needVSyncThread) {
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// we don't have VSYNC support, we need to fake it
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mVSyncThread = new VSyncThread(*this);
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}
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}
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HWComposer::~HWComposer() {
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if (mHwc) {
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eventControl(HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
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}
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if (mVSyncThread != NULL) {
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mVSyncThread->requestExitAndWait();
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}
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if (mHwc) {
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hwc_close_1(mHwc);
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}
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if (mFbDev) {
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framebuffer_close(mFbDev);
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}
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delete mCBContext;
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}
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// Load and prepare the hardware composer module. Sets mHwc.
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void HWComposer::loadHwcModule()
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{
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hw_module_t const* module;
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if (hw_get_module(HWC_HARDWARE_MODULE_ID, &module) != 0) {
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ALOGE("%s module not found", HWC_HARDWARE_MODULE_ID);
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return;
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}
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int err = hwc_open_1(module, &mHwc);
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if (err) {
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ALOGE("%s device failed to initialize (%s)",
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HWC_HARDWARE_COMPOSER, strerror(-err));
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return;
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}
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if (!hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_0) ||
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hwcHeaderVersion(mHwc) < MIN_HWC_HEADER_VERSION ||
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hwcHeaderVersion(mHwc) > HWC_HEADER_VERSION) {
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ALOGE("%s device version %#x unsupported, will not be used",
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HWC_HARDWARE_COMPOSER, mHwc->common.version);
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hwc_close_1(mHwc);
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mHwc = NULL;
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return;
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}
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}
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// Load and prepare the FB HAL, which uses the gralloc module. Sets mFbDev.
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int HWComposer::loadFbHalModule()
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{
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hw_module_t const* module;
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int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
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if (err != 0) {
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ALOGE("%s module not found", GRALLOC_HARDWARE_MODULE_ID);
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return err;
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}
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return framebuffer_open(module, &mFbDev);
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}
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status_t HWComposer::initCheck() const {
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return mHwc ? NO_ERROR : NO_INIT;
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}
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void HWComposer::hook_invalidate(const struct hwc_procs* procs) {
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cb_context* ctx = reinterpret_cast<cb_context*>(
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const_cast<hwc_procs_t*>(procs));
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ctx->hwc->invalidate();
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}
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void HWComposer::hook_vsync(const struct hwc_procs* procs, int disp,
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int64_t timestamp) {
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cb_context* ctx = reinterpret_cast<cb_context*>(
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const_cast<hwc_procs_t*>(procs));
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ctx->hwc->vsync(disp, timestamp);
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}
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void HWComposer::hook_hotplug(const struct hwc_procs* procs, int disp,
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int connected) {
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cb_context* ctx = reinterpret_cast<cb_context*>(
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const_cast<hwc_procs_t*>(procs));
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ctx->hwc->hotplug(disp, connected);
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}
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void HWComposer::invalidate() {
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mFlinger->repaintEverything();
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}
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void HWComposer::vsync(int disp, int64_t timestamp) {
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if (uint32_t(disp) < HWC_NUM_PHYSICAL_DISPLAY_TYPES) {
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char tag[16];
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snprintf(tag, sizeof(tag), "VSYNC_%1u", disp);
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ATRACE_INT(tag, ++mVSyncCounts[disp] & 1);
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mEventHandler.onVSyncReceived(disp, timestamp);
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Mutex::Autolock _l(mLock);
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mLastHwVSync[disp] = timestamp;
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}
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}
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void HWComposer::hotplug(int disp, int connected) {
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if (disp == HWC_DISPLAY_PRIMARY || disp >= VIRTUAL_DISPLAY_ID_BASE) {
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ALOGE("hotplug event received for invalid display: disp=%d connected=%d",
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disp, connected);
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return;
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}
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queryDisplayProperties(disp);
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mEventHandler.onHotplugReceived(disp, bool(connected));
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}
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static float getDefaultDensity(uint32_t height) {
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if (height >= 1080) return ACONFIGURATION_DENSITY_XHIGH;
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else return ACONFIGURATION_DENSITY_TV;
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}
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static const uint32_t DISPLAY_ATTRIBUTES[] = {
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HWC_DISPLAY_VSYNC_PERIOD,
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HWC_DISPLAY_WIDTH,
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HWC_DISPLAY_HEIGHT,
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HWC_DISPLAY_DPI_X,
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HWC_DISPLAY_DPI_Y,
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HWC_DISPLAY_NO_ATTRIBUTE,
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};
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#define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0])
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status_t HWComposer::queryDisplayProperties(int disp) {
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LOG_ALWAYS_FATAL_IF(!mHwc || !hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
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// use zero as default value for unspecified attributes
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int32_t values[NUM_DISPLAY_ATTRIBUTES - 1];
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memset(values, 0, sizeof(values));
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uint32_t config;
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size_t numConfigs = 1;
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status_t err = mHwc->getDisplayConfigs(mHwc, disp, &config, &numConfigs);
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if (err != NO_ERROR) {
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// this can happen if an unpluggable display is not connected
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mDisplayData[disp].connected = false;
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return err;
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}
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err = mHwc->getDisplayAttributes(mHwc, disp, config, DISPLAY_ATTRIBUTES, values);
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if (err != NO_ERROR) {
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// we can't get this display's info. turn it off.
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mDisplayData[disp].connected = false;
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return err;
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}
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int32_t w = 0, h = 0;
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for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) {
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switch (DISPLAY_ATTRIBUTES[i]) {
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case HWC_DISPLAY_VSYNC_PERIOD:
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mDisplayData[disp].refresh = nsecs_t(values[i]);
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break;
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case HWC_DISPLAY_WIDTH:
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mDisplayData[disp].width = values[i];
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break;
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case HWC_DISPLAY_HEIGHT:
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mDisplayData[disp].height = values[i];
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break;
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case HWC_DISPLAY_DPI_X:
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mDisplayData[disp].xdpi = values[i] / 1000.0f;
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break;
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case HWC_DISPLAY_DPI_Y:
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mDisplayData[disp].ydpi = values[i] / 1000.0f;
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break;
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default:
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ALOG_ASSERT(false, "unknown display attribute[%d] %#x",
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i, DISPLAY_ATTRIBUTES[i]);
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break;
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}
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}
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// FIXME: what should we set the format to?
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mDisplayData[disp].format = HAL_PIXEL_FORMAT_RGBA_8888;
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mDisplayData[disp].connected = true;
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if (mDisplayData[disp].xdpi == 0.0f || mDisplayData[disp].ydpi == 0.0f) {
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float dpi = getDefaultDensity(h);
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mDisplayData[disp].xdpi = dpi;
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mDisplayData[disp].ydpi = dpi;
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}
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return NO_ERROR;
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}
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status_t HWComposer::setVirtualDisplayProperties(int32_t id,
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uint32_t w, uint32_t h, uint32_t format) {
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if (id < VIRTUAL_DISPLAY_ID_BASE || id >= int32_t(mNumDisplays) ||
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!mAllocatedDisplayIDs.hasBit(id)) {
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return BAD_INDEX;
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}
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mDisplayData[id].width = w;
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mDisplayData[id].height = h;
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mDisplayData[id].format = format;
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mDisplayData[id].xdpi = mDisplayData[id].ydpi = getDefaultDensity(h);
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return NO_ERROR;
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}
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int32_t HWComposer::allocateDisplayId() {
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if (mAllocatedDisplayIDs.count() >= mNumDisplays) {
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return NO_MEMORY;
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}
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int32_t id = mAllocatedDisplayIDs.firstUnmarkedBit();
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mAllocatedDisplayIDs.markBit(id);
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mDisplayData[id].connected = true;
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return id;
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}
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status_t HWComposer::freeDisplayId(int32_t id) {
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if (id < NUM_BUILTIN_DISPLAYS) {
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// cannot free the reserved IDs
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return BAD_VALUE;
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}
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if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id)) {
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return BAD_INDEX;
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}
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mAllocatedDisplayIDs.clearBit(id);
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mDisplayData[id].connected = false;
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return NO_ERROR;
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}
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nsecs_t HWComposer::getRefreshPeriod(int disp) const {
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return mDisplayData[disp].refresh;
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}
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nsecs_t HWComposer::getRefreshTimestamp(int disp) const {
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// this returns the last refresh timestamp.
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// if the last one is not available, we estimate it based on
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// the refresh period and whatever closest timestamp we have.
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Mutex::Autolock _l(mLock);
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nsecs_t now = systemTime(CLOCK_MONOTONIC);
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return now - ((now - mLastHwVSync[disp]) % mDisplayData[disp].refresh);
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}
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sp<Fence> HWComposer::getDisplayFence(int disp) const {
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return mDisplayData[disp].lastDisplayFence;
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}
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uint32_t HWComposer::getWidth(int disp) const {
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return mDisplayData[disp].width;
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}
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uint32_t HWComposer::getHeight(int disp) const {
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return mDisplayData[disp].height;
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}
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uint32_t HWComposer::getFormat(int disp) const {
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return mDisplayData[disp].format;
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}
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float HWComposer::getDpiX(int disp) const {
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return mDisplayData[disp].xdpi;
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}
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float HWComposer::getDpiY(int disp) const {
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return mDisplayData[disp].ydpi;
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}
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bool HWComposer::isConnected(int disp) const {
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return mDisplayData[disp].connected;
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}
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void HWComposer::eventControl(int disp, int event, int enabled) {
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if (uint32_t(disp)>31 || !mAllocatedDisplayIDs.hasBit(disp)) {
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ALOGD("eventControl ignoring event %d on unallocated disp %d (en=%d)",
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event, disp, enabled);
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return;
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}
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if (event != EVENT_VSYNC) {
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ALOGW("eventControl got unexpected event %d (disp=%d en=%d)",
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event, disp, enabled);
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return;
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}
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status_t err = NO_ERROR;
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if (mHwc && !mDebugForceFakeVSync) {
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// NOTE: we use our own internal lock here because we have to call
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// into the HWC with the lock held, and we want to make sure
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// that even if HWC blocks (which it shouldn't), it won't
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// affect other threads.
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Mutex::Autolock _l(mEventControlLock);
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const int32_t eventBit = 1UL << event;
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const int32_t newValue = enabled ? eventBit : 0;
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const int32_t oldValue = mDisplayData[disp].events & eventBit;
|
|
if (newValue != oldValue) {
|
|
ATRACE_CALL();
|
|
err = mHwc->eventControl(mHwc, disp, event, enabled);
|
|
if (!err) {
|
|
int32_t& events(mDisplayData[disp].events);
|
|
events = (events & ~eventBit) | newValue;
|
|
}
|
|
}
|
|
// 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 = sizeof(hwc_display_contents_1_t)
|
|
+ numLayers * sizeof(hwc_layer_1_t);
|
|
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, (int) disp.width, (int) 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;
|
|
if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
|
|
disp.framebufferTarget->sourceCropf.left = 0;
|
|
disp.framebufferTarget->sourceCropf.top = 0;
|
|
disp.framebufferTarget->sourceCropf.right = disp.width;
|
|
disp.framebufferTarget->sourceCropf.bottom = disp.height;
|
|
} else {
|
|
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;
|
|
disp.framebufferTarget->planeAlpha = 0xFF;
|
|
}
|
|
disp.list->retireFenceFd = -1;
|
|
disp.list->flags = HWC_GEOMETRY_CHANGED;
|
|
disp.list->numHwLayers = 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 Surface::queueBuffer() on some
|
|
// devices (!?) -- log and ignore.
|
|
ALOGE("HWComposer: framebufferTarget is null");
|
|
return NO_ERROR;
|
|
}
|
|
|
|
int acquireFenceFd = -1;
|
|
if (acquireFence->isValid()) {
|
|
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, disp.list->numHwLayers);
|
|
}
|
|
mLists[i] = disp.list;
|
|
if (mLists[i]) {
|
|
if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
|
|
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 {
|
|
mLists[i]->dpy = EGL_NO_DISPLAY;
|
|
mLists[i]->sur = EGL_NO_SURFACE;
|
|
}
|
|
}
|
|
}
|
|
|
|
int err = mHwc->prepare(mHwc, mNumDisplays, mLists);
|
|
ALOGE_IF(err, "HWComposer: prepare failed (%s)", strerror(-err));
|
|
|
|
if (err == NO_ERROR) {
|
|
// 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.
|
|
//
|
|
// If there are no window layers, we treat the display has having FB
|
|
// composition, because SurfaceFlinger will use GLES to draw the
|
|
// wormhole region.
|
|
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<disp.list->numHwLayers ; 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;
|
|
}
|
|
}
|
|
if (disp.list->numHwLayers == (disp.framebufferTarget ? 1 : 0)) {
|
|
disp.hasFbComp = true;
|
|
}
|
|
} else {
|
|
disp.hasFbComp = true;
|
|
}
|
|
}
|
|
}
|
|
return (status_t)err;
|
|
}
|
|
|
|
bool HWComposer::hasHwcComposition(int32_t id) const {
|
|
if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
|
|
return false;
|
|
return mDisplayData[id].hasOvComp;
|
|
}
|
|
|
|
bool HWComposer::hasGlesComposition(int32_t id) const {
|
|
if (!mHwc || uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
|
|
return true;
|
|
return mDisplayData[id].hasFbComp;
|
|
}
|
|
|
|
sp<Fence> HWComposer::getAndResetReleaseFence(int32_t id) {
|
|
if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
|
|
return Fence::NO_FENCE;
|
|
|
|
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 >= 0 ? new Fence(fd) : Fence::NO_FENCE;
|
|
}
|
|
|
|
status_t HWComposer::commit() {
|
|
int err = NO_ERROR;
|
|
if (mHwc) {
|
|
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);
|
|
}
|
|
|
|
for (size_t i=VIRTUAL_DISPLAY_ID_BASE; i<mNumDisplays; i++) {
|
|
DisplayData& disp(mDisplayData[i]);
|
|
if (disp.outbufHandle) {
|
|
mLists[i]->outbuf = disp.outbufHandle;
|
|
mLists[i]->outbufAcquireFenceFd =
|
|
disp.outbufAcquireFence->dup();
|
|
}
|
|
}
|
|
|
|
err = mHwc->set(mHwc, mNumDisplays, mLists);
|
|
|
|
for (size_t i=0 ; i<mNumDisplays ; i++) {
|
|
DisplayData& disp(mDisplayData[i]);
|
|
disp.lastDisplayFence = disp.lastRetireFence;
|
|
disp.lastRetireFence = Fence::NO_FENCE;
|
|
if (disp.list) {
|
|
if (disp.list->retireFenceFd != -1) {
|
|
disp.lastRetireFence = new Fence(disp.list->retireFenceFd);
|
|
disp.list->retireFenceFd = -1;
|
|
}
|
|
disp.list->flags &= ~HWC_GEOMETRY_CHANGED;
|
|
}
|
|
}
|
|
}
|
|
return (status_t)err;
|
|
}
|
|
|
|
status_t HWComposer::release(int disp) {
|
|
LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE);
|
|
if (mHwc) {
|
|
eventControl(disp, HWC_EVENT_VSYNC, 0);
|
|
return (status_t)mHwc->blank(mHwc, disp, 1);
|
|
}
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t HWComposer::acquire(int disp) {
|
|
LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE);
|
|
if (mHwc) {
|
|
return (status_t)mHwc->blank(mHwc, disp, 0);
|
|
}
|
|
return NO_ERROR;
|
|
}
|
|
|
|
void HWComposer::disconnectDisplay(int disp) {
|
|
LOG_ALWAYS_FATAL_IF(disp < 0 || disp == HWC_DISPLAY_PRIMARY);
|
|
DisplayData& dd(mDisplayData[disp]);
|
|
free(dd.list);
|
|
dd.list = NULL;
|
|
dd.framebufferTarget = NULL; // points into dd.list
|
|
dd.fbTargetHandle = NULL;
|
|
dd.outbufHandle = NULL;
|
|
dd.lastRetireFence = Fence::NO_FENCE;
|
|
dd.lastDisplayFence = Fence::NO_FENCE;
|
|
dd.outbufAcquireFence = Fence::NO_FENCE;
|
|
}
|
|
|
|
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 {
|
|
acquireFence->waitForever("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);
|
|
}
|
|
}
|
|
|
|
status_t HWComposer::setOutputBuffer(int32_t id, const sp<Fence>& acquireFence,
|
|
const sp<GraphicBuffer>& buf) {
|
|
if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
|
|
return BAD_INDEX;
|
|
if (id < VIRTUAL_DISPLAY_ID_BASE)
|
|
return INVALID_OPERATION;
|
|
|
|
DisplayData& disp(mDisplayData[id]);
|
|
disp.outbufHandle = buf->handle;
|
|
disp.outbufAcquireFence = acquireFence;
|
|
return NO_ERROR;
|
|
}
|
|
|
|
sp<Fence> HWComposer::getLastRetireFence(int32_t id) {
|
|
if (uint32_t(id)>31 || !mAllocatedDisplayIDs.hasBit(id))
|
|
return Fence::NO_FENCE;
|
|
return mDisplayData[id].lastRetireFence;
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
};
|
|
|
|
/*
|
|
* 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> {
|
|
struct hwc_composer_device_1* mHwc;
|
|
public:
|
|
HWCLayerVersion1(struct hwc_composer_device_1* hwc, hwc_layer_1_t* layer)
|
|
: Iterable<HWCLayerVersion1, hwc_layer_1_t>(layer), mHwc(hwc) { }
|
|
|
|
virtual int32_t getCompositionType() const {
|
|
return getLayer()->compositionType;
|
|
}
|
|
virtual uint32_t getHints() const {
|
|
return getLayer()->hints;
|
|
}
|
|
virtual sp<Fence> getAndResetReleaseFence() {
|
|
int fd = getLayer()->releaseFenceFd;
|
|
getLayer()->releaseFenceFd = -1;
|
|
return fd >= 0 ? new Fence(fd) : Fence::NO_FENCE;
|
|
}
|
|
virtual void setAcquireFenceFd(int fenceFd) {
|
|
getLayer()->acquireFenceFd = fenceFd;
|
|
}
|
|
virtual void setPerFrameDefaultState() {
|
|
//getLayer()->compositionType = HWC_FRAMEBUFFER;
|
|
}
|
|
virtual void setPlaneAlpha(uint8_t alpha) {
|
|
if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_2)) {
|
|
getLayer()->planeAlpha = alpha;
|
|
} else {
|
|
if (alpha < 0xFF) {
|
|
getLayer()->flags |= HWC_SKIP_LAYER;
|
|
}
|
|
}
|
|
}
|
|
virtual void setDefaultState() {
|
|
hwc_layer_1_t* const l = getLayer();
|
|
l->compositionType = HWC_FRAMEBUFFER;
|
|
l->hints = 0;
|
|
l->flags = HWC_SKIP_LAYER;
|
|
l->handle = 0;
|
|
l->transform = 0;
|
|
l->blending = HWC_BLENDING_NONE;
|
|
l->visibleRegionScreen.numRects = 0;
|
|
l->visibleRegionScreen.rects = NULL;
|
|
l->acquireFenceFd = -1;
|
|
l->releaseFenceFd = -1;
|
|
l->planeAlpha = 0xFF;
|
|
}
|
|
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) {
|
|
getLayer()->displayFrame = reinterpret_cast<hwc_rect_t const&>(frame);
|
|
}
|
|
virtual void setCrop(const FloatRect& crop) {
|
|
if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
|
|
getLayer()->sourceCropf = reinterpret_cast<hwc_frect_t const&>(crop);
|
|
} else {
|
|
/*
|
|
* Since h/w composer didn't support a flot crop rect before version 1.3,
|
|
* using integer coordinates instead produces a different output from the GL code in
|
|
* Layer::drawWithOpenGL(). The difference can be large if the buffer crop to
|
|
* window size ratio is large and a window crop is defined
|
|
* (i.e.: if we scale the buffer a lot and we also crop it with a window crop).
|
|
*/
|
|
hwc_rect_t& r = getLayer()->sourceCrop;
|
|
r.left = int(ceilf(crop.left));
|
|
r.top = int(ceilf(crop.top));
|
|
r.right = int(floorf(crop.right));
|
|
r.bottom= int(floorf(crop.bottom));
|
|
}
|
|
}
|
|
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 > disp.list->numHwLayers) {
|
|
return LayerListIterator();
|
|
}
|
|
return LayerListIterator(new HWCLayerVersion1(mHwc, disp.list->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 = disp.list->numHwLayers;
|
|
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) 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]);
|
|
if (!disp.connected)
|
|
continue;
|
|
|
|
const Vector< sp<Layer> >& visibleLayersSortedByZ =
|
|
mFlinger->getLayerSortedByZForHwcDisplay(i);
|
|
|
|
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) {
|
|
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<Layer>& layer(visibleLayersSortedByZ[i]);
|
|
const sp<GraphicBuffer>& buffer(
|
|
layer->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",
|
|
"UNKNOWN"};
|
|
if (type >= NELEM(compositionTypeName))
|
|
type = NELEM(compositionTypeName) - 1;
|
|
|
|
if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_3)) {
|
|
result.appendFormat(
|
|
" %10s | %08x | %08x | %08x | %02x | %05x | %08x | [%7.1f,%7.1f,%7.1f,%7.1f] | [%5d,%5d,%5d,%5d] %s\n",
|
|
compositionTypeName[type],
|
|
intptr_t(l.handle), l.hints, l.flags, l.transform, l.blending, format,
|
|
l.sourceCropf.left, l.sourceCropf.top, l.sourceCropf.right, l.sourceCropf.bottom,
|
|
l.displayFrame.left, l.displayFrame.top, l.displayFrame.right, l.displayFrame.bottom,
|
|
name.string());
|
|
} else {
|
|
result.appendFormat(
|
|
" %10s | %08x | %08x | %08x | %02x | %05x | %08x | [%7d,%7d,%7d,%7d] | [%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 && mHwc->dump) {
|
|
const size_t SIZE = 4096;
|
|
char buffer[SIZE];
|
|
mHwc->dump(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) {
|
|
mHwc.mEventHandler.onVSyncReceived(0, next_vsync);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
HWComposer::DisplayData::DisplayData()
|
|
: width(0), height(0), format(0),
|
|
xdpi(0.0f), ydpi(0.0f),
|
|
refresh(0),
|
|
connected(false),
|
|
hasFbComp(false), hasOvComp(false),
|
|
capacity(0), list(NULL),
|
|
framebufferTarget(NULL), fbTargetHandle(0),
|
|
lastRetireFence(Fence::NO_FENCE), lastDisplayFence(Fence::NO_FENCE),
|
|
outbufHandle(NULL), outbufAcquireFence(Fence::NO_FENCE),
|
|
events(0)
|
|
{}
|
|
|
|
HWComposer::DisplayData::~DisplayData() {
|
|
free(list);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
}; // namespace android
|