gecko/widget/gonk/libdisplay/GonkDisplayJB.cpp

299 lines
8.5 KiB
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 == 17
#include "GraphicBufferAlloc.h"
#endif
#include "BootAnimation.h"
using namespace android;
namespace mozilla {
static GonkDisplayJB* sGonkDisplay = nullptr;
GonkDisplayJB::GonkDisplayJB()
: mList(nullptr)
, mModule(nullptr)
, mFBModule(nullptr)
, mHwc(nullptr)
, mFBDevice(nullptr)
, mEnabledCallback(nullptr)
, mPowerModule(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();
status_t error;
uint32_t usage = GRALLOC_USAGE_HW_FB | GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;
mBootAnimBuffer = mAlloc->createGraphicBuffer(mWidth, mHeight, surfaceformat, usage, &error);
if (error != NO_ERROR || !mBootAnimBuffer.get()) {
ALOGI("Trying to create BRGA format framebuffer");
surfaceformat = HAL_PIXEL_FORMAT_BGRA_8888;
mBootAnimBuffer = mAlloc->createGraphicBuffer(mWidth, mHeight, surfaceformat, usage, &error);
}
mFBSurface = new FramebufferSurface(0, mWidth, mHeight, surfaceformat, mAlloc);
#if ANDROID_VERSION == 17
sp<SurfaceTextureClient> stc = new SurfaceTextureClient(static_cast<sp<ISurfaceTexture> >(mFBSurface->getBufferQueue()));
#else
sp<Surface> stc = new Surface(static_cast<sp<IGraphicBufferProducer> >(mFBSurface->getBufferQueue()));
#endif
mSTClient = stc;
mList = (hwc_display_contents_1_t *)malloc(sizeof(*mList) + (sizeof(hwc_layer_1_t)*2));
if (mHwc)
mHwc->blank(mHwc, HWC_DISPLAY_PRIMARY, 0);
if (error == NO_ERROR && mBootAnimBuffer.get()) {
ALOGI("Starting bootanimation with (%d) format framebuffer", surfaceformat);
StartBootAnimation();
} else
ALOGW("Couldn't show bootanimation (%s)", strerror(-error));
}
GonkDisplayJB::~GonkDisplayJB()
{
if (mHwc)
hwc_close_1(mHwc);
if (mFBDevice)
framebuffer_close(mFBDevice);
free(mList);
}
ANativeWindow*
GonkDisplayJB::GetNativeWindow()
{
return mSTClient.get();
}
void
GonkDisplayJB::SetEnabled(bool enabled)
{
if (enabled) {
autosuspend_disable();
mPowerModule->setInteractive(mPowerModule, true);
}
if (mHwc)
mHwc->blank(mHwc, HWC_DISPLAY_PRIMARY, !enabled);
else if (mFBDevice->enableScreen)
mFBDevice->enableScreen(mFBDevice, enabled);
if (mEnabledCallback)
mEnabledCallback(enabled);
if (!enabled) {
autosuspend_enable();
mPowerModule->setInteractive(mPowerModule, false);
}
}
void
GonkDisplayJB::OnEnabled(OnEnabledCallbackType callback)
{
mEnabledCallback = callback;
}
void*
GonkDisplayJB::GetHWCDevice()
{
return mHwc;
}
void*
GonkDisplayJB::GetFBSurface()
{
return mFBSurface.get();
}
bool
GonkDisplayJB::SwapBuffers(EGLDisplay dpy, EGLSurface sur)
{
StopBootAnimation();
mBootAnimBuffer = nullptr;
// 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);
}
#if ANDROID_VERSION == 17
mList->dpy = dpy;
mList->sur = sur;
#else
mList->outbuf = nullptr;
mList->outbufAcquireFenceFd = -1;
#endif
eglSwapBuffers(dpy, sur);
return Post(mFBSurface->lastHandle, mFBSurface->lastFenceFD);
}
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, mWidth, mHeight };
displays[HWC_DISPLAY_PRIMARY] = mList;
mList->retireFenceFd = -1;
mList->numHwLayers = 2;
mList->flags = HWC_GEOMETRY_CHANGED;
mList->hwLayers[0].compositionType = HWC_BACKGROUND;
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};
/* 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_PREMULT;
mList->hwLayers[1].sourceCrop = r;
mList->hwLayers[1].displayFrame = r;
mList->hwLayers[1].visibleRegionScreen.numRects = 1;
mList->hwLayers[1].visibleRegionScreen.rects = &mList->hwLayers[1].sourceCrop;
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);
mFBSurface->setReleaseFenceFd(mList->hwLayers[1].releaseFenceFd);
if (mList->retireFenceFd >= 0)
close(mList->retireFenceFd);
return !err;
}
ANativeWindowBuffer*
GonkDisplayJB::DequeueBuffer()
{
return static_cast<ANativeWindowBuffer*>(mBootAnimBuffer.get());
}
bool
GonkDisplayJB::QueueBuffer(ANativeWindowBuffer* buf)
{
bool success = Post(buf->handle, -1);
return success;
}
void
GonkDisplayJB::UpdateFBSurface(EGLDisplay dpy, EGLSurface sur)
{
StopBootAnimation();
mBootAnimBuffer = nullptr;
eglSwapBuffers(dpy, sur);
}
void
GonkDisplayJB::SetFBReleaseFd(int fd)
{
mFBSurface->setReleaseFenceFd(fd);
}
__attribute__ ((visibility ("default")))
GonkDisplay*
GetGonkDisplay()
{
if (!sGonkDisplay)
sGonkDisplay = new GonkDisplayJB();
return sGonkDisplay;
}
} // namespace mozilla