android/android_hardware_qcom_display
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

hwcomposer: Add support for UI mirroring

Browse Source 
- Uevent observer as part of Hwcomposer
- HPD, enabling/disabling external display from HWC

Change-Id: I52b4f30c78e98c5b52c86722046389f458c2dbee
This commit is contained in:
Arun Kumar K.R 2012-06-25 17:34:58 -07:00
parent 399667e7c4
commit 59d5b624c6
12 changed files with 812 additions and 469 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
libgralloc/fb_priv.h
View File

@ -25,11 +25,6 @@
#define NO_SURFACEFLINGER_SWAPINTERVAL
#define COLOR_FORMAT(x) (x & 0xFFF) // Max range for colorFormats is 0 - FFF
enum hdmi_mirroring_state {
HDMI_NO_MIRRORING,
HDMI_UI_MIRRORING,
};
struct private_handle_t;
enum {
@ -54,21 +49,11 @@ struct private_module_t {
float ydpi;
float fps;
uint32_t swapInterval;
#if defined(__cplusplus) && defined(HDMI_DUAL_DISPLAY)
int orientation;
int videoOverlay; // VIDEO_OVERLAY - 2D or 3D
int secureVideoOverlay; // VideoOverlay is secure
uint32_t currentOffset;
int enableHDMIOutput; // holds the type of external display
bool trueMirrorSupport;
bool exitHDMIUILoop;
float actionsafeWidthRatio;
float actionsafeHeightRatio;
bool hdmiStateChanged;
hdmi_mirroring_state hdmiMirroringState;
pthread_mutex_t overlayLock;
pthread_cond_t overlayPost;
#endif
bool fbPostDone;
pthread_mutex_t fbPostLock;
//Condition to inform HWC that fb_post called
pthread_cond_t fbPostCond;
};

467
libgralloc/framebuffer.cpp
View File

@ -43,9 +43,6 @@
#include <cutils/properties.h>
#include <profiler.h>
#include "overlay.h"
namespace ovutils = overlay::utils;
#define EVEN_OUT(x) if (x & 0x0001) {x--;}
/** min of int a, b */
static inline int min(int a, int b) {
@ -101,402 +98,6 @@ static int fb_setUpdateRect(struct framebuffer_device_t* dev,
return 0;
}
#if defined(HDMI_DUAL_DISPLAY)
static int closeHDMIChannel(private_module_t* m)
{
// XXX - when enabling HDMI
#if 0
Overlay* pTemp = m->pobjOverlay;
if(pTemp != NULL)
pTemp->closeChannel();
#endif
return 0;
}
// XXX - Complete when enabling HDMI
#if 0
static void getSecondaryDisplayDestinationInfo(private_module_t* m, overlay_rect&
rect, int& orientation)
{
Overlay* pTemp = m->pobjOverlay;
int width = pTemp->getFBWidth();
int height = pTemp->getFBHeight();
int fbwidth = m->info.xres, fbheight = m->info.yres;
rect.x = 0; rect.y = 0;
rect.w = width; rect.h = height;
int rot = m->orientation;
switch(rot) {
// ROT_0
case 0:
// ROT_180
case HAL_TRANSFORM_ROT_180:
pTemp->getAspectRatioPosition(fbwidth, fbheight,
&rect);
if(rot == HAL_TRANSFORM_ROT_180)
orientation = HAL_TRANSFORM_ROT_180;
else
orientation = 0;
break;
// ROT_90
case HAL_TRANSFORM_ROT_90:
// ROT_270
case HAL_TRANSFORM_ROT_270:
//Calculate the Aspectratio for the UI
//in the landscape mode
//Width and height will be swapped as there
//is rotation
pTemp->getAspectRatioPosition(fbheight, fbwidth,
&rect);
if(rot == HAL_TRANSFORM_ROT_90)
orientation = HAL_TRANSFORM_ROT_270;
else if(rot == HAL_TRANSFORM_ROT_270)
orientation = HAL_TRANSFORM_ROT_90;
break;
}
return;
}
#endif
/* Determine overlay state based on whether hardware supports true UI
mirroring and whether video is playing or not */
static ovutils::eOverlayState getOverlayState(struct private_module_t* module)
{
overlay2::Overlay& ov = *(Overlay::getInstance());
// Default to existing state
ovutils::eOverlayState state = ov.getState();
// Sanity check
if (!module) {
ALOGE("%s: NULL module", __FUNCTION__);
return state;
}
// Check if video is playing or not
if (module->videoOverlay) {
// Video is playing, check if hardware supports true UI mirroring
if (module->trueMirrorSupport) {
// True UI mirroring is supported by hardware
if (ov.getState() == ovutils::OV_2D_VIDEO_ON_PANEL) {
// Currently playing 2D video
state = ovutils::OV_2D_TRUE_UI_MIRROR;
} else if (ov.getState() == ovutils::OV_3D_VIDEO_ON_2D_PANEL) {
// Currently playing M3D video
// FIXME: Support M3D true UI mirroring
state = ovutils::OV_3D_VIDEO_ON_2D_PANEL_2D_TV;
}
} else {
// True UI mirroring is not supported by hardware
if (ov.getState() == ovutils::OV_2D_VIDEO_ON_PANEL) {
// Currently playing 2D video
state = ovutils::OV_2D_VIDEO_ON_PANEL_TV;
} else if (ov.getState() == ovutils::OV_3D_VIDEO_ON_2D_PANEL) {
// Currently playing M3D video
state = ovutils::OV_3D_VIDEO_ON_2D_PANEL_2D_TV;
}
}
} else {
// Video is not playing, true UI mirroring support is irrelevant
state = ovutils::OV_UI_MIRROR;
}
return state;
}
/* Set overlay state */
static void setOverlayState(ovutils::eOverlayState state)
{
overlay2::Overlay& ov = *(Overlay::getInstance());
ov.setState(state);
}
static void *hdmi_ui_loop(void *ptr)
{
private_module_t* m = reinterpret_cast<private_module_t*>(ptr);
while (1) {
pthread_mutex_lock(&m->overlayLock);
while(!(m->hdmiStateChanged))
pthread_cond_wait(&(m->overlayPost), &(m->overlayLock));
m->hdmiStateChanged = false;
if (m->exitHDMIUILoop) {
pthread_mutex_unlock(&m->overlayLock);
return NULL;
}
// No need to mirror UI if HDMI is not on
if (!m->enableHDMIOutput) {
ALOGE_IF(FB_DEBUG, "%s: hdmi not ON", __FUNCTION__);
pthread_mutex_unlock(&m->overlayLock);
continue;
}
overlay2::OverlayMgr* ovMgr =
overlay2::OverlayMgrSingleton::getOverlayMgr();
overlay2::Overlay& ov = ovMgr->ov();
// Set overlay state
ovutils::eOverlayState state = getOverlayState(m);
setOverlayState(state);
// Determine the RGB pipe for UI depending on the state
ovutils::eDest dest = ovutils::OV_PIPE_ALL;
if (state == ovutils::OV_2D_TRUE_UI_MIRROR) {
// True UI mirroring state: external RGB pipe is OV_PIPE2
dest = ovutils::OV_PIPE2;
} else if (state == ovutils::OV_UI_MIRROR) {
// UI-only mirroring state: external RGB pipe is OV_PIPE0
dest = ovutils::OV_PIPE0;
} else {
// No UI in this case
pthread_mutex_unlock(&m->overlayLock);
continue;
}
if (m->hdmiMirroringState == HDMI_UI_MIRRORING) {
int alignedW = ALIGN(m->info.xres, 32);
private_handle_t const* hnd =
reinterpret_cast<private_handle_t const*>(m->framebuffer);
unsigned int width = alignedW;
unsigned int height = hnd->height;
unsigned int format = hnd->format;
unsigned int size = hnd->size/m->numBuffers;
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_FLAGS_NONE;
// External display connected during secure video playback
// Open secure UI session
// NOTE: when external display is already connected and then secure
// playback is started, we dont have to do anything
if (m->secureVideoOverlay) {
ovutils::setMdpFlags(mdpFlags, ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
}
ovutils::Whf whf(width, height, format, size);
ovutils::PipeArgs parg(mdpFlags,
ovutils::OVERLAY_TRANSFORM_0,
whf,
ovutils::ZORDER_0,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAG_ENABLED);
ovutils::PipeArgs pargs[ovutils::MAX_PIPES] = { parg, parg, parg };
bool ret = ov.setSource(pargs, dest);
if (!ret) {
ALOGE("%s setSource failed", __FUNCTION__);
}
// we need to communicate m->orientation that will get some
// modifications within setParameter func.
// FIXME that is ugly.
const ovutils::Params prms (ovutils::OVERLAY_TRANSFORM_UI,
m->orientation);
ov.setParameter(prms, dest);
if (!ret) {
ALOGE("%s setParameter failed transform", __FUNCTION__);
}
// x,y,w,h
ovutils::Dim dcrop(0, 0, m->info.xres, m->info.yres);
ov.setMemoryId(m->framebuffer->fd, dest);
ret = ov.setCrop(dcrop, dest);
if (!ret) {
ALOGE("%s setCrop failed", __FUNCTION__);
}
ovutils::Dim pdim (m->info.xres,
m->info.yres,
0,
0,
m->orientation);
ret = ov.setPosition(pdim, dest);
if (!ret) {
ALOGE("%s setPosition failed", __FUNCTION__);
}
if (!ov.commit(dest)) {
ALOGE("%s commit fails", __FUNCTION__);
}
ret = ov.queueBuffer(m->currentOffset, dest);
if (!ret) {
ALOGE("%s queueBuffer failed", __FUNCTION__);
}
} else {
setOverlayState(ovutils::OV_CLOSED);
}
pthread_mutex_unlock(&m->overlayLock);
}
return NULL;
}
static int fb_videoOverlayStarted(struct framebuffer_device_t* dev, int started)
{
ALOGE_IF(FB_DEBUG, "%s started=%d", __FUNCTION__, started);
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
pthread_mutex_lock(&m->overlayLock);
if(started != m->videoOverlay) {
m->videoOverlay = started;
m->hdmiStateChanged = true;
if (!m->trueMirrorSupport) {
if (started) {
m->hdmiMirroringState = HDMI_NO_MIRRORING;
ovutils::eOverlayState state = getOverlayState(m);
setOverlayState(state);
} else if (m->enableHDMIOutput)
m->hdmiMirroringState = HDMI_UI_MIRRORING;
} else {
if (m->videoOverlay == VIDEO_3D_OVERLAY_STARTED) {
ALOGE_IF(FB_DEBUG, "3D Video Started, stop mirroring!");
m->hdmiMirroringState = HDMI_NO_MIRRORING;
ovutils::eOverlayState state = getOverlayState(m);
setOverlayState(state);
}
else if (m->enableHDMIOutput) {
m->hdmiMirroringState = HDMI_UI_MIRRORING;
}
}
}
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
static int fb_enableHDMIOutput(struct framebuffer_device_t* dev, int externaltype)
{
ALOGE_IF(FB_DEBUG, "%s externaltype=%d", __FUNCTION__, externaltype);
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
pthread_mutex_lock(&m->overlayLock);
//Check if true mirroring can be supported
m->trueMirrorSupport = ovutils::FrameBufferInfo::getInstance()->supportTrueMirroring();
m->enableHDMIOutput = externaltype;
if(externaltype) {
if (m->trueMirrorSupport) {
m->hdmiMirroringState = HDMI_UI_MIRRORING;
} else {
if(!m->videoOverlay)
m->hdmiMirroringState = HDMI_UI_MIRRORING;
}
} else if (!externaltype) {
// Either HDMI is disconnected or suspend occurred
m->hdmiMirroringState = HDMI_NO_MIRRORING;
ovutils::eOverlayState state = getOverlayState(m);
setOverlayState(state);
}
m->hdmiStateChanged = true;
pthread_cond_signal(&(m->overlayPost));
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
static int fb_orientationChanged(struct framebuffer_device_t* dev, int orientation)
{
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
pthread_mutex_lock(&m->overlayLock);
neworientation = orientation;
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
static int handle_open_secure_start(private_module_t* m) {
pthread_mutex_lock(&m->overlayLock);
m->hdmiMirroringState = HDMI_NO_MIRRORING;
m->secureVideoOverlay = true;
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
static int handle_open_secure_end(private_module_t* m) {
pthread_mutex_lock(&m->overlayLock);
if (m->enableHDMIOutput) {
if (m->trueMirrorSupport) {
m->hdmiMirroringState = HDMI_UI_MIRRORING;
} else if(!m->videoOverlay) {
m->hdmiMirroringState = HDMI_UI_MIRRORING;
}
m->hdmiStateChanged = true;
pthread_cond_signal(&(m->overlayPost));
}
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
static int handle_close_secure_start(private_module_t* m) {
pthread_mutex_lock(&m->overlayLock);
m->hdmiMirroringState = HDMI_NO_MIRRORING;
m->secureVideoOverlay = false;
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
static int handle_close_secure_end(private_module_t* m) {
pthread_mutex_lock(&m->overlayLock);
if (m->enableHDMIOutput) {
if (m->trueMirrorSupport) {
m->hdmiMirroringState = HDMI_UI_MIRRORING;
} else if(!m->videoOverlay) {
m->hdmiMirroringState = HDMI_UI_MIRRORING;
}
m->hdmiStateChanged = true;
pthread_cond_signal(&(m->overlayPost));
}
pthread_mutex_unlock(&m->overlayLock);
return 0;
}
#endif
/* fb_perform - used to add custom event and handle them in fb HAL
* Used for external display related functions as of now
*/
static int fb_perform(struct framebuffer_device_t* dev, int event, int value)
{
private_module_t* m = reinterpret_cast<private_module_t*>(
dev->common.module);
switch(event) {
#if defined(HDMI_DUAL_DISPLAY)
case EVENT_EXTERNAL_DISPLAY:
fb_enableHDMIOutput(dev, value);
break;
case EVENT_VIDEO_OVERLAY:
fb_videoOverlayStarted(dev, value);
break;
case EVENT_ORIENTATION_CHANGE:
fb_orientationChanged(dev, value);
break;
case EVENT_OVERLAY_STATE_CHANGE:
if (value == OVERLAY_STATE_CHANGE_START) {
// When state change starts, get a lock on overlay
pthread_mutex_lock(&m->overlayLock);
} else if (value == OVERLAY_STATE_CHANGE_END) {
// When state change is complete, unlock overlay
pthread_mutex_unlock(&m->overlayLock);
}
break;
case EVENT_OPEN_SECURE_START:
handle_open_secure_start(m);
break;
case EVENT_OPEN_SECURE_END:
handle_open_secure_end(m);
break;
case EVENT_CLOSE_SECURE_START:
handle_close_secure_start(m);
break;
case EVENT_CLOSE_SECURE_END:
handle_close_secure_end(m);
break;
#endif
default:
ALOGE("In %s: UNKNOWN Event = %d!!!", __FUNCTION__, event);
break;
}
return 0;
}
static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer)
{
if (private_handle_t::validate(buffer) < 0)
@ -510,6 +111,7 @@ static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer)
private_module_t* m =
reinterpret_cast<private_module_t*>(dev->common.module);
if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
genlock_lock_buffer(hnd, GENLOCK_READ_LOCK, GENLOCK_MAX_TIMEOUT);
@ -519,6 +121,14 @@ static int fb_post(struct framebuffer_device_t* dev, buffer_handle_t buffer)
}
const size_t offset = hnd->base - m->framebuffer->base;
// frame ready to be posted, signal so that hwc can update External
// display
pthread_mutex_lock(&m->fbPostLock);
m->currentOffset = offset;
m->fbPostDone = true;
pthread_cond_signal(&m->fbPostCond);
pthread_mutex_unlock(&m->fbPostLock);
m->info.activate = FB_ACTIVATE_VBL;
m->info.yoffset = offset / m->finfo.line_length;
if (ioctl(m->framebuffer->fd, FBIOPUT_VSCREENINFO, &m->info) == -1) {
@ -579,11 +189,12 @@ int mapFrameBufferLocked(struct private_module_t* module)
info.yoffset = 0;
info.activate = FB_ACTIVATE_NOW;
/* Interpretation of offset for color fields: All offsets are from the right,
* inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
* can use the offset as right argument to <<). A pixel afterwards is a bit
* stream and is written to video memory as that unmodified. This implies
* big-endian byte order if bits_per_pixel is greater than 8.
/* Interpretation of offset for color fields: All offsets are from the
* right, inside a "pixel" value, which is exactly 'bits_per_pixel' wide
* (means: you can use the offset as right argument to <<). A pixel
* afterwards is a bit stream and is written to video memory as that
* unmodified. This implies big-endian byte order if bits_per_pixel is
* greater than 8.
*/
if(info.bits_per_pixel == 32) {
@ -600,10 +211,11 @@ int mapFrameBufferLocked(struct private_module_t* module)
info.transp.offset = 0;
info.transp.length = 8;
/* Note: the GL driver does not have a r=8 g=8 b=8 a=0 config, so if we do
* not use the MDP for composition (i.e. hw composition == 0), ask for
* RGBA instead of RGBX. */
if (property_get("debug.sf.hw", property, NULL) > 0 && atoi(property) == 0)
/* Note: the GL driver does not have a r=8 g=8 b=8 a=0 config, so if we
* do not use the MDP for composition (i.e. hw composition == 0), ask
* for RGBA instead of RGBX. */
if (property_get("debug.sf.hw", property, NULL) > 0 &&
atoi(property) == 0)
module->fbFormat = HAL_PIXEL_FORMAT_RGBX_8888;
else if(property_get("debug.composition.type", property, NULL) > 0 &&
(strncmp(property, "mdp", 3) == 0))
@ -627,7 +239,8 @@ int mapFrameBufferLocked(struct private_module_t* module)
}
//adreno needs 4k aligned offsets. Max hole size is 4096-1
int size = roundUpToPageSize(info.yres * info.xres * (info.bits_per_pixel/8));
int size = roundUpToPageSize(info.yres * info.xres *
(info.bits_per_pixel/8));
/*
* Request NUM_BUFFERS screens (at least 2 for page flipping)
@ -738,9 +351,9 @@ int mapFrameBufferLocked(struct private_module_t* module)
size_t fbSize = roundUpToPageSize(finfo.line_length * info.yres)*
module->numBuffers;
module->framebuffer = new private_handle_t(fd, fbSize,
private_handle_t::PRIV_FLAGS_USES_PMEM,
BUFFER_TYPE_UI,
module->fbFormat, info.xres, info.yres);
private_handle_t::PRIV_FLAGS_USES_PMEM,
BUFFER_TYPE_UI,
module->fbFormat, info.xres, info.yres);
void* vaddr = mmap(0, fbSize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
if (vaddr == MAP_FAILED) {
ALOGE("Error mapping the framebuffer (%s)", strerror(errno));
@ -748,20 +361,10 @@ int mapFrameBufferLocked(struct private_module_t* module)
}
module->framebuffer->base = intptr_t(vaddr);
memset(vaddr, 0, fbSize);
#if defined(HDMI_DUAL_DISPLAY)
/* Overlay for HDMI*/
pthread_mutex_init(&(module->overlayLock), NULL);
pthread_cond_init(&(module->overlayPost), NULL);
module->currentOffset = 0;
module->exitHDMIUILoop = false;
module->hdmiStateChanged = false;
pthread_t hdmiUIThread;
pthread_create(&hdmiUIThread, NULL, &hdmi_ui_loop, (void *) module);
module->hdmiMirroringState = HDMI_NO_MIRRORING;
module->trueMirrorSupport = false;
#endif
module->fbPostDone = false;
pthread_mutex_init(&(module->fbPostLock), NULL);
pthread_cond_init(&(module->fbPostCond), NULL);
return 0;
}
@ -778,14 +381,6 @@ static int mapFrameBuffer(struct private_module_t* module)
static int fb_close(struct hw_device_t *dev)
{
fb_context_t* ctx = (fb_context_t*)dev;
#if defined(HDMI_DUAL_DISPLAY)
private_module_t* m = reinterpret_cast<private_module_t*>(
ctx->device.common.module);
pthread_mutex_lock(&m->overlayLock);
m->exitHDMIUILoop = true;
pthread_cond_signal(&(m->overlayPost));
pthread_mutex_unlock(&m->overlayLock);
#endif
if (ctx) {
free(ctx);
}
@ -828,8 +423,10 @@ int fb_device_open(hw_module_t const* module, const char* name,
const_cast<float&>(dev->device.xdpi) = m->xdpi;
const_cast<float&>(dev->device.ydpi) = m->ydpi;
const_cast<float&>(dev->device.fps) = m->fps;
const_cast<int&>(dev->device.minSwapInterval) = PRIV_MIN_SWAP_INTERVAL;
const_cast<int&>(dev->device.maxSwapInterval) = PRIV_MAX_SWAP_INTERVAL;
const_cast<int&>(dev->device.minSwapInterval) =
PRIV_MIN_SWAP_INTERVAL;
const_cast<int&>(dev->device.maxSwapInterval) =
PRIV_MAX_SWAP_INTERVAL;
const_cast<int&>(dev->device.numFramebuffers) = m->numBuffers;
if (m->finfo.reserved[0] == 0x5444 &&
m->finfo.reserved[1] == 0x5055) {

6
libhwcomposer/Android.mk
View File

@ -6,9 +6,9 @@ LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
LOCAL_MODULE_TAGS := optional
LOCAL_C_INCLUDES := $(common_includes) $(kernel_includes)
LOCAL_SHARED_LIBRARIES := $(common_libs) libEGL liboverlay libgenlock \
libqdutils
libqdutils libhardware_legacy
LOCAL_CFLAGS := $(common_flags) -DLOG_TAG=\"hwcomposer\"
LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
LOCAL_SRC_FILES := hwc.cpp hwc_video.cpp hwc_utils.cpp
LOCAL_SRC_FILES := hwc.cpp hwc_video.cpp hwc_utils.cpp \
hwc_uimirror.cpp hwc_ext_observer.cpp
include $(BUILD_SHARED_LIBRARY)

5
libhwcomposer/hwc.cpp
View File

@ -24,6 +24,7 @@
#include "hwc_utils.h"
#include "hwc_video.h"
#include "hwc_uimirror.h"
using namespace qhwc;
@ -76,11 +77,14 @@ static int hwc_prepare(hwc_composer_device_t *dev, hwc_layer_list_t* list)
if(VideoOverlay::prepare(ctx, list)) {
ctx->overlayInUse = true;
//Nothing here
} else if(UIMirrorOverlay::prepare(ctx, list)) {
ctx->overlayInUse = true;
} else if (0) {
//Other features
ctx->overlayInUse = true;
}
}
return 0;
}
@ -94,6 +98,7 @@ static int hwc_set(hwc_composer_device_t *dev,
if (LIKELY(list)) {
VideoOverlay::draw(ctx, list);
EGLBoolean sucess = eglSwapBuffers((EGLDisplay)dpy, (EGLSurface)sur);
UIMirrorOverlay::draw(ctx);
} else {
ctx->mOverlay->setState(ovutils::OV_CLOSED);
ctx->qbuf->unlockAllPrevious();

446
libhwcomposer/hwc_ext_observer.cpp Normal file
View File

@ -0,0 +1,446 @@
/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are
* retained for attribution purposes only.
*
* 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 <ctype.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <media/IAudioPolicyService.h>
#include <media/AudioSystem.h>
#include <utils/threads.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <linux/msm_mdp.h>
#include <linux/fb.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <hardware_legacy/uevent.h>
#include <cutils/properties.h>
#include "hwc_utils.h"
#include "hwc_ext_observer.h"
namespace qhwc {
#define EXT_OBSERVER_DEBUG 1
#define DEVICE_ROOT "/sys/devices/virtual/graphics"
#define DEVICE_NODE "fb1"
#define SYSFS_CONNECTED DEVICE_ROOT "/" DEVICE_NODE "/connected"
#define SYSFS_EDID_MODES DEVICE_ROOT "/" DEVICE_NODE "/edid_modes"
#define SYSFS_HPD DEVICE_ROOT "/" DEVICE_NODE "/hpd"
android::sp<ExtDisplayObserver> ExtDisplayObserver::
sExtDisplayObserverInstance(0);
ExtDisplayObserver::ExtDisplayObserver() : Thread(false),
fd(-1), mCurrentID(-1), mHwcContext(NULL)
{
//Enable HPD for HDMI
writeHPDOption(1);
}
ExtDisplayObserver::~ExtDisplayObserver() {
if (fd > 0)
close(fd);
}
ExtDisplayObserver *ExtDisplayObserver::getInstance() {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s ", __FUNCTION__);
if(sExtDisplayObserverInstance.get() == NULL)
sExtDisplayObserverInstance = new ExtDisplayObserver();
return sExtDisplayObserverInstance.get();
}
void ExtDisplayObserver::setHwcContext(hwc_context_t* hwcCtx) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s", __FUNCTION__);
if(hwcCtx) {
mHwcContext = hwcCtx;
}
return;
}
void ExtDisplayObserver::onFirstRef() {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s", __FUNCTION__);
run("ExtDisplayObserver", ANDROID_PRIORITY_DISPLAY);
}
int ExtDisplayObserver::readyToRun() {
//Initialize the uevent
uevent_init();
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: success", __FUNCTION__);
return android::NO_ERROR;
}
void ExtDisplayObserver::handleUEvent(char* str){
int connected = 0;
// TODO: check for fb2(WFD) driver also
if(!strcasestr(str, DEVICE_NODE))
{
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: Not Ext Disp Event ", __FUNCTION__);
return;
}
// Event will be of the form:
// change@/devices/virtual/graphics/fb1 ACTION=change
// DEVPATH=/devices/virtual/graphics/fb1
// SUBSYSTEM=graphics HDCP_STATE=FAIL MAJOR=29
// for now just parse the online or offline are important for us.
if(!(strncmp(str,"online@",strlen("online@")))) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: external disp online", __FUNCTION__);
connected = 1;
readResolution();
//Get the best mode and set
// TODO: DO NOT call this for WFD
setResolution(getBestMode());
} else if(!(strncmp(str,"offline@",strlen("offline@")))) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: external disp online", __FUNCTION__);
connected = 0;
close(fd);
}
setExternalDisplayStatus(connected);
}
bool ExtDisplayObserver::threadLoop()
{
static char uEventString[1024];
memset(uEventString, 0, sizeof(uEventString));
int count = uevent_next_event(uEventString, sizeof(uEventString));
if(count) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: UeventString: %s len = %d",
__FUNCTION__, uEventString, count);
handleUEvent(uEventString);
}
return true;
}
struct disp_mode_timing_type {
int video_format;
int active_h;
int active_v;
int front_porch_h;
int pulse_width_h;
int back_porch_h;
int front_porch_v;
int pulse_width_v;
int back_porch_v;
int pixel_freq;
bool interlaced;
void set_info(struct fb_var_screeninfo &info) const;
};
void disp_mode_timing_type::set_info(struct fb_var_screeninfo &info) const
{
info.reserved[0] = 0;
info.reserved[1] = 0;
info.reserved[2] = 0;
info.reserved[3] = video_format;
info.xoffset = 0;
info.yoffset = 0;
info.xres = active_h;
info.yres = active_v;
info.pixclock = pixel_freq*1000;
info.vmode = interlaced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED;
info.right_margin = front_porch_h;
info.hsync_len = pulse_width_h;
info.left_margin = back_porch_h;
info.lower_margin = front_porch_v;
info.vsync_len = pulse_width_v;
info.upper_margin = back_porch_v;
}
/* Video formates supported by the HDMI Standard */
/* Indicates the resolution, pix clock and the aspect ratio */
#define m640x480p60_4_3 1
#define m720x480p60_4_3 2
#define m720x480p60_16_9 3
#define m1280x720p60_16_9 4
#define m1920x1080i60_16_9 5
#define m1440x480i60_4_3 6
#define m1440x480i60_16_9 7
#define m1920x1080p60_16_9 16
#define m720x576p50_4_3 17
#define m720x576p50_16_9 18
#define m1280x720p50_16_9 19
#define m1440x576i50_4_3 21
#define m1440x576i50_16_9 22
#define m1920x1080p50_16_9 31
#define m1920x1080p24_16_9 32
#define m1920x1080p25_16_9 33
#define m1920x1080p30_16_9 34
static struct disp_mode_timing_type supported_video_mode_lut[] = {
{m640x480p60_4_3, 640, 480, 16, 96, 48, 10, 2, 33, 25200, false},
{m720x480p60_4_3, 720, 480, 16, 62, 60, 9, 6, 30, 27030, false},
{m720x480p60_16_9, 720, 480, 16, 62, 60, 9, 6, 30, 27030, false},
{m1280x720p60_16_9, 1280, 720, 110, 40, 220, 5, 5, 20, 74250, false},
{m1920x1080i60_16_9, 1920, 540, 88, 44, 148, 2, 5, 5, 74250, false},
{m1440x480i60_4_3, 1440, 240, 38, 124, 114, 4, 3, 15, 27000, true},
{m1440x480i60_16_9, 1440, 240, 38, 124, 114, 4, 3, 15, 27000, true},
{m1920x1080p60_16_9, 1920, 1080, 88, 44, 148, 4, 5, 36, 148500, false},
{m720x576p50_4_3, 720, 576, 12, 64, 68, 5, 5, 39, 27000, false},
{m720x576p50_16_9, 720, 576, 12, 64, 68, 5, 5, 39, 27000, false},
{m1280x720p50_16_9, 1280, 720, 440, 40, 220, 5, 5, 20, 74250, false},
{m1440x576i50_4_3, 1440, 288, 24, 126, 138, 2, 3, 19, 27000, true},
{m1440x576i50_16_9, 1440, 288, 24, 126, 138, 2, 3, 19, 27000, true},
{m1920x1080p50_16_9, 1920, 1080, 528, 44, 148, 4, 5, 36, 148500, false},
{m1920x1080p24_16_9, 1920, 1080, 638, 44, 148, 4, 5, 36, 74250, false},
{m1920x1080p25_16_9, 1920, 1080, 528, 44, 148, 4, 5, 36, 74250, false},
{m1920x1080p30_16_9, 1920, 1080, 88, 44, 148, 4, 5, 36, 74250, false},
};
int ExtDisplayObserver::parseResolution(char* edidStr, int* edidModes, int len)
{
char delim = ',';
int count = 0;
char *start, *end;
// EDIDs are string delimited by ','
// Ex: 16,4,5,3,32,34,1
// Parse this string to get mode(int)
start = (char*) edidStr;
for(int i=0; i<len; i++) {
edidModes[i] = (int) strtol(start, &end, 10);
if(*end != delim) {
// return as we reached end of string
return count;
}
start = end+1;
count++;
}
return count;
}
bool ExtDisplayObserver::readResolution()
{
int hdmiEDIDFile = open(SYSFS_EDID_MODES, O_RDONLY, 0);
int len = -1;
memset(mEDIDs, 0, sizeof(mEDIDs));
memset(mEDIDModes, 0, sizeof(mEDIDModes));
mModeCount = 0;
if (hdmiEDIDFile < 0) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: edid_modes file '%s' not found",
__FUNCTION__, SYSFS_EDID_MODES);
return false;
} else {
len = read(hdmiEDIDFile, mEDIDs, sizeof(mEDIDs)-1);
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: EDID string: %s length = %d",
__FUNCTION__, mEDIDs, len);
if ( len <= 0) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: edid_modes file empty '%s'",
__FUNCTION__, SYSFS_EDID_MODES);
}
else {
while (len > 1 && isspace(mEDIDs[len-1]))
--len;
mEDIDs[len] = 0;
}
}
close(hdmiEDIDFile);
if(len > 0) {
// GEt EDID modes from the EDID strings
mModeCount = parseResolution(mEDIDs, mEDIDModes, len);
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: mModeCount = %d", __FUNCTION__,
mModeCount);
}
return (strlen(mEDIDs) > 0);
}
bool ExtDisplayObserver::openFramebuffer()
{
if (fd == -1) {
fd = open("/dev/graphics/fb1", O_RDWR);
if (fd < 0)
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: /dev/graphics/fb1 not available"
"\n", __FUNCTION__);
}
return (fd > 0);
}
int ExtDisplayObserver::getModeOrder(int mode)
{
switch (mode) {
default:
case m1440x480i60_4_3:
return 1; // 480i 4:3
case m1440x480i60_16_9:
return 2; // 480i 16:9
case m1440x576i50_4_3:
return 3; // i576i 4:3
case m1440x576i50_16_9:
return 4; // 576i 16:9
case m640x480p60_4_3:
return 5; // 640x480 4:3
case m720x480p60_4_3:
return 6; // 480p 4:3
case m720x480p60_16_9:
return 7; // 480p 16:9
case m720x576p50_4_3:
return 8; // 576p 4:3
case m720x576p50_16_9:
return 9; // 576p 16:9
case m1920x1080i60_16_9:
return 10; // 1080i 16:9
case m1280x720p50_16_9:
return 11; // 720p@50Hz
case m1280x720p60_16_9:
return 12; // 720p@60Hz
case m1920x1080p24_16_9:
return 13; //1080p@24Hz
case m1920x1080p25_16_9:
return 14; //108-p@25Hz
case m1920x1080p30_16_9:
return 15; //1080p@30Hz
case m1920x1080p50_16_9:
return 16; //1080p@50Hz
case m1920x1080p60_16_9:
return 17; //1080p@60Hz
}
}
// Get the best mode for the current HD TV
int ExtDisplayObserver::getBestMode() {
int bestOrder = 0;
int bestMode = m640x480p60_4_3;
// for all the edid read, get the best mode
for(int i = 0; i < mModeCount; i++) {
int mode = mEDIDModes[i];
int order = getModeOrder(mode);
if (order > bestOrder) {
bestOrder = order;
bestMode = mode;
}
}
return bestMode;
}
inline bool ExtDisplayObserver::isValidMode(int ID)
{
return ((ID >= m640x480p60_4_3) && (ID <= m1920x1080p30_16_9));
}
void ExtDisplayObserver::setResolution(int ID)
{
struct fb_var_screeninfo info;
if (!openFramebuffer())
return;
//If its a valid mode and its a new ID - update var_screeninfo
if ((isValidMode(ID)) && mCurrentID != ID) {
const struct disp_mode_timing_type *mode =
&supported_video_mode_lut[0];
unsigned count = sizeof(supported_video_mode_lut)/sizeof
(*supported_video_mode_lut);
for (unsigned int i = 0; i < count; ++i) {
const struct disp_mode_timing_type *cur =
&supported_video_mode_lut[i];
if (cur->video_format == ID)
mode = cur;
}
ioctl(fd, FBIOGET_VSCREENINFO, &info);
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: GET Info<ID=%d %dx%d (%d,%d,%d),"
"(%d,%d,%d) %dMHz>", __FUNCTION__,
info.reserved[3], info.xres, info.yres,
info.right_margin, info.hsync_len, info.left_margin,
info.lower_margin, info.vsync_len, info.upper_margin,
info.pixclock/1000/1000);
mode->set_info(info);
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: SET Info<ID=%d => Info<ID=%d %dx%d"
"(%d,%d,%d), (%d,%d,%d) %dMHz>", __FUNCTION__, ID,
info.reserved[3], info.xres, info.yres,
info.right_margin, info.hsync_len, info.left_margin,
info.lower_margin, info.vsync_len, info.upper_margin,
info.pixclock/1000/1000);
info.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_ALL | FB_ACTIVATE_FORCE;
ioctl(fd, FBIOPUT_VSCREENINFO, &info);
mCurrentID = ID;
}
//Powerup
ioctl(fd, FBIOBLANK, FB_BLANK_UNBLANK);
ioctl(fd, FBIOGET_VSCREENINFO, &info);
//Pan_Display
ioctl(fd, FBIOPAN_DISPLAY, &info);
property_set("hw.hdmiON", "1");
}
int ExtDisplayObserver::getExternalDisplay() const
{
return mExternalDisplay;
}
void ExtDisplayObserver::setExternalDisplayStatus(int connected)
{
hwc_context_t* ctx = mHwcContext;
if(ctx) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: status = %d", __FUNCTION__,
connected);
// Store the external display
mExternalDisplay = connected;//(external_display_type)value;
//Invalidate
hwc_procs* proc = (hwc_procs*)ctx->device.reserved_proc[0];
if(!proc) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: HWC proc not registered",
__FUNCTION__);
} else {
/* Trigger redraw */
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: Invalidate !!", __FUNCTION__);
proc->invalidate(proc);
}
}
return;
}
bool ExtDisplayObserver::writeHPDOption(int userOption) const
{
bool ret = true;
int hdmiHPDFile = open(SYSFS_HPD,O_RDWR, 0);
if (hdmiHPDFile < 0) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: state file '%s' not found : ret%d"
"err str: %s", __FUNCTION__, SYSFS_HPD, hdmiHPDFile, strerror(errno));
ret = false;
} else {
int err = -1;
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: option = %d", __FUNCTION__,
userOption);
if(userOption)
err = write(hdmiHPDFile, "1", 2);
else
err = write(hdmiHPDFile, "0" , 2);
if (err <= 0) {
ALOGD_IF(EXT_OBSERVER_DEBUG, "%s: file write failed '%s'",
__FUNCTION__, SYSFS_HPD);
ret = false;
}
close(hdmiHPDFile);
}
return ret;
}
};

80
libhwcomposer/hwc_ext_observer.h Normal file
View File

@ -0,0 +1,80 @@
/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are
* retained for attribution purposes only.
* 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.
*/
#ifndef HWC_EXT_OBSERVER_H
#define HWC_EXT_OBSERVER_H
#include <utils/threads.h>
struct hwc_context_t;
namespace qhwc {
class ExtDisplayObserver : public android::Thread
{
//Type of external display - OFF, HDMI, WFD
enum external_display_type {
EXT_TYPE_NONE,
EXT_TYPE_HDMI,
EXT_TYPE_WIFI
};
// Mirroring state
enum external_mirroring_state {
EXT_MIRRORING_OFF,
EXT_MIRRORING_ON,
};
public:
/*Overrides*/
virtual bool threadLoop();
virtual int readyToRun();
virtual void onFirstRef();
virtual ~ExtDisplayObserver();
static ExtDisplayObserver *getInstance();
int getExternalDisplay() const;
void setHwcContext(hwc_context_t* hwcCtx);
private:
ExtDisplayObserver();
void setExternalDisplayStatus(int connected);
bool readResolution();
int parseResolution(char* edidStr, int* edidModes, int len);
void setResolution(int ID);
bool openFramebuffer();
bool writeHPDOption(int userOption) const;
bool isValidMode(int ID);
void handleUEvent(char* str);
int getModeOrder(int mode);
int getBestMode();
int fd;
int mExternalDisplay;
int mCurrentID;
char mEDIDs[128];
int mEDIDModes[64];
int mModeCount;
hwc_context_t *mHwcContext;
static android::sp<ExtDisplayObserver> sExtDisplayObserverInstance;
};
}; //qhwc
// ---------------------------------------------------------------------------
#endif //HWC_EXT_OBSERVER_H

180
libhwcomposer/hwc_uimirror.cpp Normal file
View File

@ -0,0 +1,180 @@
/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are
* retained for attribution purposes only.
*
* 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 "hwc_uimirror.h"
#include "hwc_ext_observer.h"
namespace qhwc {
#define HWC_UI_MIRROR 0
// Function to get the primary device orientation
// Loops thru the hardware layers and returns the orientation of the max.
// number of layers
int getDeviceOrientation(hwc_context_t* ctx, hwc_layer_list_t *list) {
int orientation = list->hwLayers[0].transform;
if(!ctx) {
ALOGD_IF(HWC_UI_MIRROR, "In %s: ctx is NULL!!", __FUNCTION__);
return -1;
}
for(size_t i=0; i <= list->numHwLayers;i++ )
{
for(size_t j=i+1; j <= list->numHwLayers; j++)
{
// Should we not check for the video layer orientation as it might
// source orientation(?)
if(list->hwLayers[i].transform == list->hwLayers[j].transform)
{
orientation = list->hwLayers[i].transform;
}
}
}
return orientation;
}
//Static Members
ovutils::eOverlayState UIMirrorOverlay::sState = ovutils::OV_CLOSED;
bool UIMirrorOverlay::sIsUiMirroringOn = false;
//Prepare the overlay for the UI mirroring
bool UIMirrorOverlay::prepare(hwc_context_t *ctx, hwc_layer_list_t *list) {
sState = ovutils::OV_CLOSED;
sIsUiMirroringOn = false;
// If external display is connected
if(ctx->mExtDisplayObserver->getExternalDisplay()) {
sState = ovutils::OV_UI_MIRROR;
configure(ctx, list);
}
return sIsUiMirroringOn;
}
// Configure
bool UIMirrorOverlay::configure(hwc_context_t *ctx, hwc_layer_list_t *list)
{
if (LIKELY(ctx->mOverlay)) {
overlay::Overlay& ov = *(ctx->mOverlay);
// Set overlay state
ov.setState(sState);
framebuffer_device_t *fbDev = ctx->fbDev;
if(fbDev) {
private_module_t* m = reinterpret_cast<private_module_t*>(
fbDev->common.module);
int alignedW = ALIGN(m->info.xres, 32);
private_handle_t const* hnd =
reinterpret_cast<private_handle_t const*>(m->framebuffer);
unsigned int size = hnd->size/m->numBuffers;
ovutils::Whf info(alignedW, hnd->height, hnd->format, size);
// Determine the RGB pipe for UI depending on the state
ovutils::eDest dest = ovutils::OV_PIPE_ALL;
if (sState == ovutils::OV_2D_TRUE_UI_MIRROR) {
// True UI mirroring state: external RGB pipe is OV_PIPE2
dest = ovutils::OV_PIPE2;
} else if (sState == ovutils::OV_UI_MIRROR) {
// UI-only mirroring state: external RGB pipe is OV_PIPE0
dest = ovutils::OV_PIPE0;
}
ovutils::eMdpFlags mdpFlags = ovutils::OV_MDP_MEMORY_ID_TYPE_FB;
/* - TODO: Secure content
if (hnd->flags & private_handle_t::PRIV_FLAGS_SECURE_BUFFER) {
ovutils::setMdpFlags(mdpFlags,
ovutils::OV_MDP_SECURE_OVERLAY_SESSION);
}
*/
ovutils::PipeArgs parg(mdpFlags,
info,
ovutils::ZORDER_0,
ovutils::IS_FG_OFF,
ovutils::ROT_FLAG_ENABLED);
ovutils::PipeArgs pargs[ovutils::MAX_PIPES] = { parg, parg, parg };
ov.setSource(pargs, dest);
// x,y,w,h
ovutils::Dim dcrop(0, 0, m->info.xres, m->info.yres);
ov.setCrop(dcrop, dest);
//Get the current orientation on primary panel
int transform = getDeviceOrientation(ctx, list);
ovutils::eTransform orient =
static_cast<ovutils::eTransform>(transform);
ov.setTransform(orient, dest);
ovutils::Dim dim;
dim.x = 0;
dim.y = 0;
dim.w = m->info.xres;
dim.h = m->info.yres;
ov.setPosition(dim, dest);
if (!ov.commit(dest)) {
ALOGE("%s: commit fails", __FUNCTION__);
return false;
}
sIsUiMirroringOn = true;
}
}
return sIsUiMirroringOn;
}
bool UIMirrorOverlay::draw(hwc_context_t *ctx)
{
if(!sIsUiMirroringOn) {
return true;
}
bool ret = true;
overlay::Overlay& ov = *(ctx->mOverlay);
ovutils::eOverlayState state = ov.getState();
ovutils::eDest dest = ovutils::OV_PIPE_ALL;
framebuffer_device_t *fbDev = ctx->fbDev;
if(fbDev) {
private_module_t* m = reinterpret_cast<private_module_t*>(
fbDev->common.module);
//wait for the fb_post to be called
pthread_mutex_lock(&m->fbPostLock);
while(m->fbPostDone == false) {
pthread_cond_wait(&(m->fbPostCond), &(m->fbPostLock));
}
pthread_mutex_unlock(&m->fbPostLock);
switch (state) {
case ovutils::OV_UI_MIRROR:
if (!ov.queueBuffer(m->framebuffer->fd, m->currentOffset,
ovutils::OV_PIPE0)) {
ALOGE("%s: queueBuffer failed for external", __FUNCTION__);
}
break;
case ovutils::OV_2D_TRUE_UI_MIRROR:
if (!ov.queueBuffer(m->framebuffer->fd, m->currentOffset,
ovutils::OV_PIPE2)) {
ALOGE("%s: queueBuffer failed for external", __FUNCTION__);
}
break;
default:
break;
}
// TODO:
// Call PANDISPLAY ioctl here to kickoff
}
return ret;
}
//---------------------------------------------------------------------
}; //namespace qhwc

46
libhwcomposer/hwc_uimirror.h Normal file
View File

@ -0,0 +1,46 @@
/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are
* retained for attribution purposes only.
*
* 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.
*/
#ifndef HWC_UIMIRROR_H
#define HWC_UIMIRROR_H
#include "hwc_utils.h"
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
namespace qhwc {
//Feature for Mirroring UI on the External display
class UIMirrorOverlay {
public:
// Sets up members and prepares overlay if conditions are met
static bool prepare(hwc_context_t *ctx, hwc_layer_list_t *list);
// Draws layer if this feature is on
static bool draw(hwc_context_t *ctx);
private:
//Configures overlay
static bool configure(hwc_context_t *ctx, hwc_layer_list_t *list);
//The chosen overlay state.
static ovutils::eOverlayState sState;
//Flags if this feature is on.
static bool sIsUiMirroringOn;
};
}; //namespace qhwc
#endif //HWC_UIMIRROR_H

4
libhwcomposer/hwc_utils.cpp
View File

@ -18,7 +18,7 @@
#include "hwc_utils.h"
#include "mdp_version.h"
#include "hwc_video.h"
#include "hwc_ext_observer.h"
namespace qhwc {
void initContext(hwc_context_t *ctx)
{
@ -30,6 +30,8 @@ void initContext(hwc_context_t *ctx)
ctx->hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay();
ALOGI("MDP version: %d",ctx->mdpVersion);
ctx->mExtDisplayObserver = ExtDisplayObserver::getInstance();
ctx->mExtDisplayObserver->setHwcContext(ctx);
}
void closeContext(hwc_context_t *ctx)

12
libhwcomposer/hwc_utils.h
View File

@ -36,13 +36,7 @@
struct hwc_context_t;
namespace qhwc {
enum external_display_type {
EXT_TYPE_NONE,
EXT_TYPE_HDMI,
EXT_TYPE_WIFI
};
class ExtDisplayObserver;
// -----------------------------------------------------------------------------
// Utility functions - implemented in hwc_utils.cpp
void dumpLayer(hwc_layer_t const* l);
@ -77,7 +71,6 @@ static inline bool isBufferLocked(const private_handle_t* hnd) {
// This structure contains overall state
struct hwc_context_t {
hwc_composer_device_t device;
int hdmiEnabled;
int numHwLayers;
int mdpVersion;
bool hasOverlay;
@ -91,6 +84,9 @@ struct hwc_context_t {
//QueuedBufferStore to hold buffers for overlay
qhwc::QueuedBufferStore *qbuf;
// External display related information
qhwc::ExtDisplayObserver*mExtDisplayObserver;
};
#endif //HWC_UTILS_H

7
libhwcomposer/hwc_video.cpp
View File

@ -16,6 +16,7 @@
*/
#include "hwc_video.h"
#include "hwc_ext_observer.h"
namespace qhwc {
@ -56,12 +57,14 @@ void VideoOverlay::chooseState(hwc_context_t *ctx) {
//Support 1 video layer
if(sYuvCount == 1) {
if(sIsLayerSkip && ctx->hdmiEnabled) { //Skip on primary, display on ext.
//Skip on primary, display on ext.
if(sIsLayerSkip && ctx->mExtDisplayObserver->getExternalDisplay()) {
//TODO
//VIDEO_ON_TV_ONLY
} else if(sIsLayerSkip) { //skip on primary, no ext
newState = ovutils::OV_CLOSED;
} else if(ctx->hdmiEnabled) { //display on both
} else if(ctx->mExtDisplayObserver->getExternalDisplay()) {
//display on both
newState = ovutils::OV_2D_VIDEO_ON_PANEL_TV;
} else { //display on primary only
newState = ovutils::OV_2D_VIDEO_ON_PANEL;

5
liboverlay/overlayUtils.cpp
View File

@ -142,7 +142,10 @@ int FrameBufferInfo::getHeight() const {
}
bool FrameBufferInfo::supportTrueMirroring() const {
return mBorderFillSupported;
char value[PROPERTY_VALUE_MAX] = {0};
property_get("hw.trueMirrorSupported", value, "0");
int trueMirroringSupported = atoi(value);
return (trueMirroringSupported && mBorderFillSupported);
}
//--------------------------------------------------------