hwcomposer: Add support for UI mirroring
- Uevent observer as part of Hwcomposer
- HPD, enabling/disabling external display from HWC
Change-Id: I52b4f30c78e98c5b52c86722046389f458c2dbee
diff --git a/libhwcomposer/Android.mk b/libhwcomposer/Android.mk
index c83c99e..8e04606 100644
--- a/libhwcomposer/Android.mk
+++ b/libhwcomposer/Android.mk
@@ -6,9 +6,9 @@
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)
diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 699e2ac..8aa6e83 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -24,6 +24,7 @@
#include "hwc_utils.h"
#include "hwc_video.h"
+#include "hwc_uimirror.h"
using namespace qhwc;
@@ -76,11 +77,14 @@
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 @@
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();
diff --git a/libhwcomposer/hwc_ext_observer.cpp b/libhwcomposer/hwc_ext_observer.cpp
new file mode 100644
index 0000000..2a5ec36
--- /dev/null
+++ b/libhwcomposer/hwc_ext_observer.cpp
@@ -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.
+ */
+
+#define EXT_OBSERVER_DEBUG 0
+#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 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;
+}
+};
+
diff --git a/libhwcomposer/hwc_ext_observer.h b/libhwcomposer/hwc_ext_observer.h
new file mode 100644
index 0000000..e7cb890
--- /dev/null
+++ b/libhwcomposer/hwc_ext_observer.h
@@ -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
diff --git a/libhwcomposer/hwc_uimirror.cpp b/libhwcomposer/hwc_uimirror.cpp
new file mode 100644
index 0000000..f5cf3e6
--- /dev/null
+++ b/libhwcomposer/hwc_uimirror.cpp
@@ -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
diff --git a/libhwcomposer/hwc_uimirror.h b/libhwcomposer/hwc_uimirror.h
new file mode 100644
index 0000000..af43848
--- /dev/null
+++ b/libhwcomposer/hwc_uimirror.h
@@ -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
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index 90c32fe..ea2fe66 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -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 @@
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)
diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index b664260..2ee7188 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -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 @@
// 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 @@
//QueuedBufferStore to hold buffers for overlay
qhwc::QueuedBufferStore *qbuf;
+
+ // External display related information
+ qhwc::ExtDisplayObserver*mExtDisplayObserver;
};
#endif //HWC_UTILS_H
diff --git a/libhwcomposer/hwc_video.cpp b/libhwcomposer/hwc_video.cpp
index bae35c8..525d662 100644
--- a/libhwcomposer/hwc_video.cpp
+++ b/libhwcomposer/hwc_video.cpp
@@ -16,6 +16,7 @@
*/
#include "hwc_video.h"
+#include "hwc_ext_observer.h"
namespace qhwc {
@@ -56,12 +57,14 @@
//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;