The Tor Browser: widget/gonk/libdisplay/GonkDisplayJB.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* Copyright 2013 Mozilla Foundation and Mozilla contributors

     2  *

     3  * Licensed under the Apache License, Version 2.0 (the "License");

     4  * you may not use this file except in compliance with the License.

     5  * You may obtain a copy of the License at

     6  *

     7  *     http://www.apache.org/licenses/LICENSE-2.0

     8  *

     9  * Unless required by applicable law or agreed to in writing, software

    10  * distributed under the License is distributed on an "AS IS" BASIS,

    11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    12  * See the License for the specific language governing permissions and

    13  * limitations under the License.

    14  */

    16 #include "GonkDisplayJB.h"

    17 #if ANDROID_VERSION == 17

    18 #include <gui/SurfaceTextureClient.h>

    19 #else

    20 #include <gui/Surface.h>

    21 #include <gui/GraphicBufferAlloc.h>

    22 #endif

    24 #include <hardware/hardware.h>

    25 #include <hardware/hwcomposer.h>

    26 #include <hardware/power.h>

    27 #include <suspend/autosuspend.h>

    29 #if ANDROID_VERSION == 17

    30 #include "GraphicBufferAlloc.h"

    31 #endif

    32 #include "BootAnimation.h"

    34 using namespace android;

    36 namespace mozilla {

    38 static GonkDisplayJB* sGonkDisplay = nullptr;

    40 GonkDisplayJB::GonkDisplayJB()

    41     : mList(nullptr)

    42     , mModule(nullptr)

    43     , mFBModule(nullptr)

    44     , mHwc(nullptr)

    45     , mFBDevice(nullptr)

    46     , mEnabledCallback(nullptr)

    47     , mPowerModule(nullptr)

    48 {

    49     int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mFBModule);

    50     ALOGW_IF(err, "%s module not found", GRALLOC_HARDWARE_MODULE_ID);

    51     if (!err) {

    52         err = framebuffer_open(mFBModule, &mFBDevice);

    53         ALOGW_IF(err, "could not open framebuffer");

    54     }

    56     if (!err && mFBDevice) {

    57         mWidth = mFBDevice->width;

    58 	 mHeight = mFBDevice->height;

    59 	 xdpi = mFBDevice->xdpi;

    60         /* The emulator actually reports RGBA_8888, but EGL doesn't return

    61          * any matching configuration. We force RGBX here to fix it. */

    62         surfaceformat = HAL_PIXEL_FORMAT_RGBX_8888;

    63     }

    65     err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);

    66     ALOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);

    67     if (!err) {

    68         err = hwc_open_1(mModule, &mHwc);

    69         ALOGE_IF(err, "%s device failed to initialize (%s)",

    70                  HWC_HARDWARE_COMPOSER, strerror(-err));

    71     }

    73     /* Fallback on the FB rendering path instead of trying to support HWC 1.0 */

    74     if (!err && mHwc->common.version == HWC_DEVICE_API_VERSION_1_0) {

    75         hwc_close_1(mHwc);

    76         mHwc = nullptr;

    77     }

    79     if (!err && mHwc) {

    80         if (mFBDevice) {

    81             framebuffer_close(mFBDevice);

    82             mFBDevice = nullptr;

    83         }

    85         int32_t values[3];

    86         const uint32_t attrs[] = {

    87             HWC_DISPLAY_WIDTH,

    88             HWC_DISPLAY_HEIGHT,

    89             HWC_DISPLAY_DPI_X,

    90             HWC_DISPLAY_NO_ATTRIBUTE

    91         };

    92         mHwc->getDisplayAttributes(mHwc, 0, 0, attrs, values);

    94         mWidth = values[0];

    95         mHeight = values[1];

    96         xdpi = values[2] / 1000.0f;

    97         surfaceformat = HAL_PIXEL_FORMAT_RGBA_8888;

    98     }

   100     err = hw_get_module(POWER_HARDWARE_MODULE_ID,

   101                                            (hw_module_t const**)&mPowerModule);

   102     if (!err)

   103         mPowerModule->init(mPowerModule);

   104     ALOGW_IF(err, "Couldn't load %s module (%s)", POWER_HARDWARE_MODULE_ID, strerror(-err));

   106     mAlloc = new GraphicBufferAlloc();

   108     status_t error;

   109     uint32_t usage = GRALLOC_USAGE_HW_FB | GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;

   110     mBootAnimBuffer = mAlloc->createGraphicBuffer(mWidth, mHeight, surfaceformat, usage, &error);

   111     if (error != NO_ERROR || !mBootAnimBuffer.get()) {

   112         ALOGI("Trying to create BRGA format framebuffer");

   113         surfaceformat = HAL_PIXEL_FORMAT_BGRA_8888;

   114         mBootAnimBuffer = mAlloc->createGraphicBuffer(mWidth, mHeight, surfaceformat, usage, &error);

   115     }

   117 #if ANDROID_VERSION >= 19

   118     sp<BufferQueue> bq = new BufferQueue(mAlloc);

   119 #else

   120     sp<BufferQueue> bq = new BufferQueue(true, mAlloc);

   121 #endif

   122     mFBSurface = new FramebufferSurface(0, mWidth, mHeight, surfaceformat, bq);

   124 #if ANDROID_VERSION == 17

   125     sp<SurfaceTextureClient> stc = new SurfaceTextureClient(static_cast<sp<ISurfaceTexture> >(mFBSurface->getBufferQueue()));

   126 #else

   127     sp<Surface> stc = new Surface(static_cast<sp<IGraphicBufferProducer> >(bq));

   128 #endif

   129     mSTClient = stc;

   131     mList = (hwc_display_contents_1_t *)malloc(sizeof(*mList) + (sizeof(hwc_layer_1_t)*2));

   132     if (mHwc)

   133         mHwc->blank(mHwc, HWC_DISPLAY_PRIMARY, 0);

   135     if (error == NO_ERROR && mBootAnimBuffer.get()) {

   136         ALOGI("Starting bootanimation with (%d) format framebuffer", surfaceformat);

   137         StartBootAnimation();

   138     } else

   139         ALOGW("Couldn't show bootanimation (%s)", strerror(-error));

   140 }

   142 GonkDisplayJB::~GonkDisplayJB()

   143 {

   144     if (mHwc)

   145         hwc_close_1(mHwc);

   146     if (mFBDevice)

   147         framebuffer_close(mFBDevice);

   148     free(mList);

   149 }

   151 ANativeWindow*

   152 GonkDisplayJB::GetNativeWindow()

   153 {

   154     return mSTClient.get();

   155 }

   157 void

   158 GonkDisplayJB::SetEnabled(bool enabled)

   159 {

   160     if (enabled) {

   161         autosuspend_disable();

   162         mPowerModule->setInteractive(mPowerModule, true);

   163     }

   165     if (mHwc)

   166         mHwc->blank(mHwc, HWC_DISPLAY_PRIMARY, !enabled);

   167     else if (mFBDevice->enableScreen)

   168         mFBDevice->enableScreen(mFBDevice, enabled);

   170     if (mEnabledCallback)

   171         mEnabledCallback(enabled);

   173     if (!enabled) {

   174         autosuspend_enable();

   175         mPowerModule->setInteractive(mPowerModule, false);

   176     }

   177 }

   179 void

   180 GonkDisplayJB::OnEnabled(OnEnabledCallbackType callback)

   181 {

   182     mEnabledCallback = callback;

   183 }

   185 void*

   186 GonkDisplayJB::GetHWCDevice()

   187 {

   188     return mHwc;

   189 }

   191 void*

   192 GonkDisplayJB::GetFBSurface()

   193 {

   194     return mFBSurface.get();

   195 }

   197 bool

   198 GonkDisplayJB::SwapBuffers(EGLDisplay dpy, EGLSurface sur)

   199 {

   200     StopBootAnimation();

   201     mBootAnimBuffer = nullptr;

   203     // Should be called when composition rendering is complete for a frame.

   204     // Only HWC v1.0 needs this call.

   205     // HWC > v1.0 case, do not call compositionComplete().

   206     // mFBDevice is present only when HWC is v1.0.

   207     if (mFBDevice && mFBDevice->compositionComplete) {

   208         mFBDevice->compositionComplete(mFBDevice);

   209     }

   211 #if ANDROID_VERSION == 17

   212     mList->dpy = dpy;

   213     mList->sur = sur;

   214 #else

   215     mList->outbuf = nullptr;

   216     mList->outbufAcquireFenceFd = -1;

   217 #endif

   218     eglSwapBuffers(dpy, sur);

   219     return Post(mFBSurface->lastHandle, mFBSurface->GetPrevFBAcquireFd());

   220 }

   222 bool

   223 GonkDisplayJB::Post(buffer_handle_t buf, int fence)

   224 {

   225     if (!mHwc) {

   226         if (fence >= 0)

   227             close(fence);

   228         return !mFBDevice->post(mFBDevice, buf);

   229     }

   231     hwc_display_contents_1_t *displays[HWC_NUM_DISPLAY_TYPES] = {NULL};

   232     const hwc_rect_t r = { 0, 0, mWidth, mHeight };

   233     displays[HWC_DISPLAY_PRIMARY] = mList;

   234     mList->retireFenceFd = -1;

   235     mList->numHwLayers = 2;

   236     mList->flags = HWC_GEOMETRY_CHANGED;

   237     mList->hwLayers[0].compositionType = HWC_FRAMEBUFFER;

   238     mList->hwLayers[0].hints = 0;

   239     /* Skip this layer so the hwc module doesn't complain about null handles */

   240     mList->hwLayers[0].flags = HWC_SKIP_LAYER;

   241     mList->hwLayers[0].backgroundColor = {0};

   242     mList->hwLayers[0].acquireFenceFd = -1;

   243     mList->hwLayers[0].releaseFenceFd = -1;

   244     /* hwc module checks displayFrame even though it shouldn't */

   245     mList->hwLayers[0].displayFrame = r;

   246     mList->hwLayers[1].compositionType = HWC_FRAMEBUFFER_TARGET;

   247     mList->hwLayers[1].hints = 0;

   248     mList->hwLayers[1].flags = 0;

   249     mList->hwLayers[1].handle = buf;

   250     mList->hwLayers[1].transform = 0;

   251     mList->hwLayers[1].blending = HWC_BLENDING_PREMULT;

   252 #if ANDROID_VERSION >= 19

   253     if (mHwc->common.version >= HWC_DEVICE_API_VERSION_1_3) {

   254         mList->hwLayers[1].sourceCropf.left = 0;

   255         mList->hwLayers[1].sourceCropf.top = 0;

   256         mList->hwLayers[1].sourceCropf.right = mWidth;

   257         mList->hwLayers[1].sourceCropf.bottom = mHeight;

   258     } else {

   259         mList->hwLayers[1].sourceCrop = r;

   260     }

   261 #else

   262     mList->hwLayers[1].sourceCrop = r;

   263 #endif

   264     mList->hwLayers[1].displayFrame = r;

   265     mList->hwLayers[1].visibleRegionScreen.numRects = 1;

   266     mList->hwLayers[1].visibleRegionScreen.rects = &mList->hwLayers[1].displayFrame;

   267     mList->hwLayers[1].acquireFenceFd = fence;

   268     mList->hwLayers[1].releaseFenceFd = -1;

   269 #if ANDROID_VERSION == 18

   270     mList->hwLayers[1].planeAlpha = 0xFF;

   271 #endif

   272     mHwc->prepare(mHwc, HWC_NUM_DISPLAY_TYPES, displays);

   273     int err = mHwc->set(mHwc, HWC_NUM_DISPLAY_TYPES, displays);

   274     mFBSurface->setReleaseFenceFd(mList->hwLayers[1].releaseFenceFd);

   275     if (mList->retireFenceFd >= 0)

   276         close(mList->retireFenceFd);

   277     return !err;

   278 }

   280 ANativeWindowBuffer*

   281 GonkDisplayJB::DequeueBuffer()

   282 {

   283     return static_cast<ANativeWindowBuffer*>(mBootAnimBuffer.get());

   284 }

   286 bool

   287 GonkDisplayJB::QueueBuffer(ANativeWindowBuffer* buf)

   288 {

   289     bool success = Post(buf->handle, -1);

   290     return success;

   291 }

   293 void

   294 GonkDisplayJB::UpdateFBSurface(EGLDisplay dpy, EGLSurface sur)

   295 {

   296     StopBootAnimation();

   297     mBootAnimBuffer = nullptr;

   298     eglSwapBuffers(dpy, sur);

   299 }

   301 void

   302 GonkDisplayJB::SetFBReleaseFd(int fd)

   303 {

   304     mFBSurface->setReleaseFenceFd(fd);

   305 }

   307 int

   308 GonkDisplayJB::GetPrevFBAcquireFd()

   309 {

   310     return mFBSurface->GetPrevFBAcquireFd();

   311 }

   313 __attribute__ ((visibility ("default")))

   314 GonkDisplay*

   315 GetGonkDisplay()

   316 {

   317     if (!sGonkDisplay)

   318         sGonkDisplay = new GonkDisplayJB();

   319     return sGonkDisplay;

   320 }

   322 } // namespace mozilla

The Tor Browser / file revision

widget/gonk/libdisplay/GonkDisplayJB.cpp@b8a032363ba2

widget/gonk/libdisplay/GonkDisplayJB.cpp