gecko-dev/widget/gonk/libdisplay/GonkDisplayJB.cpp

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C++

/* Copyright 2013 Mozilla Foundation and Mozilla contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "GonkDisplayJB.h"
#if ANDROID_VERSION == 17
#include <gui/SurfaceTextureClient.h>
#else
#include <gui/Surface.h>
#include <gui/GraphicBufferAlloc.h>
#endif
#include <hardware/hardware.h>
#include <hardware/hwcomposer.h>
#include <hardware/power.h>
#include <suspend/autosuspend.h>
#if ANDROID_VERSION >= 19
#include "VirtualDisplaySurface.h"
#endif
#include "FramebufferSurface.h"
#if ANDROID_VERSION == 17
#include "GraphicBufferAlloc.h"
#endif
#include "mozilla/Assertions.h"
#define DEFAULT_XDPI 75.0
using namespace android;
namespace mozilla {
static GonkDisplayJB* sGonkDisplay = nullptr;
GonkDisplayJB::GonkDisplayJB()
: mModule(nullptr)
, mFBModule(nullptr)
, mHwc(nullptr)
, mFBDevice(nullptr)
, mPowerModule(nullptr)
, mList(nullptr)
, mWidth(0)
, mHeight(0)
, mEnabledCallback(nullptr)
{
int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mFBModule);
ALOGW_IF(err, "%s module not found", GRALLOC_HARDWARE_MODULE_ID);
if (!err) {
err = framebuffer_open(mFBModule, &mFBDevice);
ALOGW_IF(err, "could not open framebuffer");
}
if (!err && mFBDevice) {
mWidth = mFBDevice->width;
mHeight = mFBDevice->height;
xdpi = mFBDevice->xdpi;
/* The emulator actually reports RGBA_8888, but EGL doesn't return
* any matching configuration. We force RGBX here to fix it. */
surfaceformat = HAL_PIXEL_FORMAT_RGBX_8888;
}
err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
ALOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
if (!err) {
err = hwc_open_1(mModule, &mHwc);
ALOGE_IF(err, "%s device failed to initialize (%s)",
HWC_HARDWARE_COMPOSER, strerror(-err));
}
/* Fallback on the FB rendering path instead of trying to support HWC 1.0 */
if (!err && mHwc->common.version == HWC_DEVICE_API_VERSION_1_0) {
hwc_close_1(mHwc);
mHwc = nullptr;
}
if (!err && mHwc) {
if (mFBDevice) {
framebuffer_close(mFBDevice);
mFBDevice = nullptr;
}
int32_t values[3];
const uint32_t attrs[] = {
HWC_DISPLAY_WIDTH,
HWC_DISPLAY_HEIGHT,
HWC_DISPLAY_DPI_X,
HWC_DISPLAY_NO_ATTRIBUTE
};
mHwc->getDisplayAttributes(mHwc, 0, 0, attrs, values);
mWidth = values[0];
mHeight = values[1];
xdpi = values[2] / 1000.0f;
surfaceformat = HAL_PIXEL_FORMAT_RGBA_8888;
}
err = hw_get_module(POWER_HARDWARE_MODULE_ID,
(hw_module_t const**)&mPowerModule);
if (!err)
mPowerModule->init(mPowerModule);
ALOGW_IF(err, "Couldn't load %s module (%s)", POWER_HARDWARE_MODULE_ID, strerror(-err));
mAlloc = new GraphicBufferAlloc();
CreateFramebufferSurface(mSTClient, mDispSurface, mWidth, mHeight);
mList = (hwc_display_contents_1_t *)calloc(1, sizeof(*mList) + (sizeof(hwc_layer_1_t)*2));
uint32_t usage = GRALLOC_USAGE_HW_FB | GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;
if (mFBDevice) {
// If device uses fb, they can not use single buffer for boot animation
mSTClient->perform(mSTClient.get(), NATIVE_WINDOW_SET_BUFFER_COUNT, 2);
mSTClient->perform(mSTClient.get(), NATIVE_WINDOW_SET_USAGE, usage);
} else if (mHwc) {
PowerOnDisplay(HWC_DISPLAY_PRIMARY);
// For devices w/ hwc v1.0 or no hwc, this buffer can not be created,
// only create this buffer for devices w/ hwc version > 1.0.
CreateFramebufferSurface(mBootAnimSTClient, mBootAnimDispSurface, mWidth, mHeight);
}
}
GonkDisplayJB::~GonkDisplayJB()
{
if (mHwc)
hwc_close_1(mHwc);
if (mFBDevice)
framebuffer_close(mFBDevice);
free(mList);
}
void
GonkDisplayJB::CreateFramebufferSurface(android::sp<ANativeWindow>& aNativeWindow,
android::sp<android::DisplaySurface>& aDisplaySurface,
uint32_t aWidth,
uint32_t aHeight)
{
#if ANDROID_VERSION >= 21
sp<IGraphicBufferProducer> producer;
sp<IGraphicBufferConsumer> consumer;
BufferQueue::createBufferQueue(&producer, &consumer, mAlloc);
#elif ANDROID_VERSION >= 19
sp<BufferQueue> consumer = new BufferQueue(mAlloc);
sp<IGraphicBufferProducer> producer = consumer;
#elif ANDROID_VERSION >= 18
sp<BufferQueue> consumer = new BufferQueue(true, mAlloc);
sp<IGraphicBufferProducer> producer = consumer;
#else
sp<BufferQueue> consumer = new BufferQueue(true, mAlloc);
#endif
aDisplaySurface = new FramebufferSurface(0, aWidth, aHeight, surfaceformat, consumer);
#if ANDROID_VERSION == 17
aNativeWindow = new SurfaceTextureClient(
static_cast<sp<ISurfaceTexture>>(aDisplaySurface->getBufferQueue()));
#else
aNativeWindow = new Surface(producer);
#endif
}
void
GonkDisplayJB::CreateVirtualDisplaySurface(android::IGraphicBufferProducer* aSink,
android::sp<ANativeWindow>& aNativeWindow,
android::sp<android::DisplaySurface>& aDisplaySurface)
{
#if ANDROID_VERSION >= 21
sp<IGraphicBufferProducer> producer;
sp<IGraphicBufferConsumer> consumer;
BufferQueue::createBufferQueue(&producer, &consumer, mAlloc);
#elif ANDROID_VERSION >= 19
sp<BufferQueue> consumer = new BufferQueue(mAlloc);
sp<IGraphicBufferProducer> producer = consumer;
#endif
#if ANDROID_VERSION >= 19
sp<VirtualDisplaySurface> virtualDisplay;
virtualDisplay = new VirtualDisplaySurface(-1, aSink, producer, consumer, String8("VirtualDisplaySurface"));
aDisplaySurface = virtualDisplay;
aNativeWindow = new Surface(virtualDisplay);
#endif
}
void
GonkDisplayJB::SetEnabled(bool enabled)
{
if (enabled) {
autosuspend_disable();
mPowerModule->setInteractive(mPowerModule, true);
}
if (!enabled && mEnabledCallback) {
mEnabledCallback(enabled);
}
#if ANDROID_VERSION >= 21
if (mHwc) {
if (mHwc->common.version >= HWC_DEVICE_API_VERSION_1_4) {
mHwc->setPowerMode(mHwc, HWC_DISPLAY_PRIMARY,
(enabled ? HWC_POWER_MODE_NORMAL : HWC_POWER_MODE_OFF));
} else {
mHwc->blank(mHwc, HWC_DISPLAY_PRIMARY, !enabled);
}
} else if (mFBDevice && mFBDevice->enableScreen) {
mFBDevice->enableScreen(mFBDevice, enabled);
}
#else
if (mHwc && mHwc->blank) {
mHwc->blank(mHwc, HWC_DISPLAY_PRIMARY, !enabled);
} else if (mFBDevice && mFBDevice->enableScreen) {
mFBDevice->enableScreen(mFBDevice, enabled);
}
#endif
if (enabled && mEnabledCallback) {
mEnabledCallback(enabled);
}
if (!enabled) {
autosuspend_enable();
mPowerModule->setInteractive(mPowerModule, false);
}
}
void
GonkDisplayJB::OnEnabled(OnEnabledCallbackType callback)
{
mEnabledCallback = callback;
}
void*
GonkDisplayJB::GetHWCDevice()
{
return mHwc;
}
bool
GonkDisplayJB::SwapBuffers(EGLDisplay dpy, EGLSurface sur)
{
// Should be called when composition rendering is complete for a frame.
// Only HWC v1.0 needs this call.
// HWC > v1.0 case, do not call compositionComplete().
// mFBDevice is present only when HWC is v1.0.
if (mFBDevice && mFBDevice->compositionComplete) {
mFBDevice->compositionComplete(mFBDevice);
}
return Post(mDispSurface->lastHandle, mDispSurface->GetPrevDispAcquireFd());
}
bool
GonkDisplayJB::Post(buffer_handle_t buf, int fence)
{
if (!mHwc) {
if (fence >= 0)
close(fence);
return !mFBDevice->post(mFBDevice, buf);
}
hwc_display_contents_1_t *displays[HWC_NUM_DISPLAY_TYPES] = {NULL};
const hwc_rect_t r = { 0, 0, static_cast<int>(mWidth), static_cast<int>(mHeight) };
displays[HWC_DISPLAY_PRIMARY] = mList;
mList->retireFenceFd = -1;
mList->numHwLayers = 2;
mList->flags = HWC_GEOMETRY_CHANGED;
#if ANDROID_VERSION >= 18
mList->outbuf = nullptr;
mList->outbufAcquireFenceFd = -1;
#endif
mList->hwLayers[0].compositionType = HWC_FRAMEBUFFER;
mList->hwLayers[0].hints = 0;
/* Skip this layer so the hwc module doesn't complain about null handles */
mList->hwLayers[0].flags = HWC_SKIP_LAYER;
mList->hwLayers[0].backgroundColor = {0};
mList->hwLayers[0].acquireFenceFd = -1;
mList->hwLayers[0].releaseFenceFd = -1;
/* hwc module checks displayFrame even though it shouldn't */
mList->hwLayers[0].displayFrame = r;
mList->hwLayers[1].compositionType = HWC_FRAMEBUFFER_TARGET;
mList->hwLayers[1].hints = 0;
mList->hwLayers[1].flags = 0;
mList->hwLayers[1].handle = buf;
mList->hwLayers[1].transform = 0;
mList->hwLayers[1].blending = HWC_BLENDING_NONE;
#if ANDROID_VERSION >= 19
if (mHwc->common.version >= HWC_DEVICE_API_VERSION_1_3) {
mList->hwLayers[1].sourceCropf.left = 0;
mList->hwLayers[1].sourceCropf.top = 0;
mList->hwLayers[1].sourceCropf.right = mWidth;
mList->hwLayers[1].sourceCropf.bottom = mHeight;
} else {
mList->hwLayers[1].sourceCrop = r;
}
#else
mList->hwLayers[1].sourceCrop = r;
#endif
mList->hwLayers[1].displayFrame = r;
mList->hwLayers[1].visibleRegionScreen.numRects = 1;
mList->hwLayers[1].visibleRegionScreen.rects = &mList->hwLayers[1].displayFrame;
mList->hwLayers[1].acquireFenceFd = fence;
mList->hwLayers[1].releaseFenceFd = -1;
#if ANDROID_VERSION >= 18
mList->hwLayers[1].planeAlpha = 0xFF;
#endif
mHwc->prepare(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
int err = mHwc->set(mHwc, HWC_NUM_DISPLAY_TYPES, displays);
if (!mBootAnimDispSurface.get()) {
mDispSurface->setReleaseFenceFd(mList->hwLayers[1].releaseFenceFd);
} else {
mBootAnimDispSurface->setReleaseFenceFd(mList->hwLayers[1].releaseFenceFd);
}
if (mList->retireFenceFd >= 0)
close(mList->retireFenceFd);
return !err;
}
ANativeWindowBuffer*
GonkDisplayJB::DequeueBuffer()
{
// Check for bootAnim or normal display flow.
sp<ANativeWindow> nativeWindow =
!mBootAnimSTClient.get() ? mSTClient : mBootAnimSTClient;
ANativeWindowBuffer *buf;
int fenceFd = -1;
nativeWindow->dequeueBuffer(nativeWindow.get(), &buf, &fenceFd);
sp<Fence> fence(new Fence(fenceFd));
#if ANDROID_VERSION == 17
fence->waitForever(1000, "GonkDisplayJB_DequeueBuffer");
// 1000 is what Android uses. It is a warning timeout in ms.
// This timeout was removed in ANDROID_VERSION 18.
#else
fence->waitForever("GonkDisplayJB_DequeueBuffer");
#endif
return buf;
}
bool
GonkDisplayJB::QueueBuffer(ANativeWindowBuffer* buf)
{
bool success = false;
int error = DoQueueBuffer(buf);
// Check for bootAnim or normal display flow.
if (!mBootAnimSTClient.get()) {
success = Post(mDispSurface->lastHandle, mDispSurface->GetPrevDispAcquireFd());
} else {
success = Post(mBootAnimDispSurface->lastHandle, mBootAnimDispSurface->GetPrevDispAcquireFd());
}
return error == 0 && success;
}
int
GonkDisplayJB::DoQueueBuffer(ANativeWindowBuffer* buf)
{
int error = 0;
// Check for bootAnim or normal display flow.
if (!mBootAnimSTClient.get()) {
error = mSTClient->queueBuffer(mSTClient.get(), buf, -1);
} else {
error = mBootAnimSTClient->queueBuffer(mBootAnimSTClient.get(), buf, -1);
}
return error;
}
void
GonkDisplayJB::UpdateDispSurface(EGLDisplay dpy, EGLSurface sur)
{
if (sur != EGL_NO_SURFACE) {
eglSwapBuffers(dpy, sur);
} else {
// When BasicCompositor is used as Compositor,
// EGLSurface does not exit.
ANativeWindowBuffer* buf = DequeueBuffer();
DoQueueBuffer(buf);
}
}
void
GonkDisplayJB::NotifyBootAnimationStopped()
{
if (mBootAnimSTClient.get()) {
mBootAnimSTClient = nullptr;
mBootAnimDispSurface = nullptr;
}
}
void
GonkDisplayJB::PowerOnDisplay(int aDpy)
{
MOZ_ASSERT(mHwc);
#if ANDROID_VERSION >= 21
if (mHwc->common.version >= HWC_DEVICE_API_VERSION_1_4) {
mHwc->setPowerMode(mHwc, aDpy, HWC_POWER_MODE_NORMAL);
} else {
mHwc->blank(mHwc, aDpy, 0);
}
#else
mHwc->blank(mHwc, aDpy, 0);
#endif
}
GonkDisplay::NativeData
GonkDisplayJB::GetNativeData(GonkDisplay::DisplayType aDisplayType,
android::IGraphicBufferProducer* aSink)
{
NativeData data;
if (aDisplayType == DISPLAY_PRIMARY) {
data.mNativeWindow = mSTClient;
data.mDisplaySurface = mDispSurface;
data.mXdpi = xdpi;
} else if (aDisplayType == DISPLAY_EXTERNAL) {
int32_t values[3];
const uint32_t attrs[] = {
HWC_DISPLAY_WIDTH,
HWC_DISPLAY_HEIGHT,
HWC_DISPLAY_DPI_X,
HWC_DISPLAY_NO_ATTRIBUTE
};
mHwc->getDisplayAttributes(mHwc, aDisplayType, 0, attrs, values);
int width = values[0];
int height = values[1];
// FIXME!! values[2] returns 0 for external display, which doesn't
// sound right, Bug 1169176 is the follow-up bug for this issue.
data.mXdpi = values[2] ? values[2] / 1000.f : DEFAULT_XDPI;
PowerOnDisplay(HWC_DISPLAY_EXTERNAL);
CreateFramebufferSurface(data.mNativeWindow,
data.mDisplaySurface,
width,
height);
} else if (aDisplayType == DISPLAY_VIRTUAL) {
data.mXdpi = xdpi;
CreateVirtualDisplaySurface(aSink,
data.mNativeWindow,
data.mDisplaySurface);
}
return data;
}
__attribute__ ((visibility ("default")))
GonkDisplay*
GetGonkDisplay()
{
if (!sGonkDisplay)
sGonkDisplay = new GonkDisplayJB();
return sGonkDisplay;
}
} // namespace mozilla