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HWC 1.1: hook up hotplug event, use new display config queries

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Change-Id: I2fd359e5fc7e1948072c6bc6b6fe47ea5e8025c1
This commit is contained in:
Jesse Hall 2012-08-29 10:47:52 -07:00
parent 9eb1eb5bb5
commit 1bd20e0f9e
2 changed files with 110 additions and 16 deletions
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116
services/surfaceflinger/DisplayHardware/HWComposer.cpp
View File

@ -132,23 +132,21 @@ HWComposer::HWComposer(
mCBContext->hwc = this;
mCBContext->procs.invalidate = &hook_invalidate;
mCBContext->procs.vsync = &hook_vsync;
if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1))
mCBContext->procs.hotplug = &hook_hotplug;
else
mCBContext->procs.hotplug = NULL;
memset(mCBContext->procs.zero, 0, sizeof(mCBContext->procs.zero));
mHwc->registerProcs(mHwc, &mCBContext->procs);
}
// always turn vsync off when we start
needVSyncThread = false;
mHwc->eventControl(mHwc, 0, HWC_EVENT_VSYNC, 0);
int period;
if (mHwc->query(mHwc, HWC_VSYNC_PERIOD, &period) == NO_ERROR) {
mDisplayData[HWC_DISPLAY_PRIMARY].refresh = nsecs_t(period);
}
mHwc->eventControl(mHwc, HWC_DISPLAY_PRIMARY, HWC_EVENT_VSYNC, 0);
// these IDs are always reserved
for (size_t i=0 ; i<HWC_NUM_DISPLAY_TYPES ; i++) {
mAllocatedDisplayIDs.markBit(i);
// TODO: we query xdpi / ydpi / refresh
}
// the number of displays we actually have depends on the
@ -166,7 +164,9 @@ HWComposer::HWComposer(
}
if (fbDev) {
// if we're here it means we are on version 1.0
ALOG_ASSERT(!(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1)),
"should only have fbdev if no hwc or hwc is 1.0");
DisplayData& disp(mDisplayData[HWC_DISPLAY_PRIMARY]);
disp.xdpi = fbDev->xdpi;
disp.ydpi = fbDev->ydpi;
@ -176,8 +176,11 @@ HWComposer::HWComposer(
}
if (disp.refresh == 0) {
disp.refresh = nsecs_t(1e9 / 60.0);
ALOGW("getting VSYNC period thin air: %lld", mDisplayData[HWC_DISPLAY_PRIMARY].refresh);
ALOGW("getting VSYNC period from thin air: %lld",
mDisplayData[HWC_DISPLAY_PRIMARY].refresh);
}
} else if (mHwc) {
queryDisplayProperties(HWC_DISPLAY_PRIMARY);
}
if (needVSyncThread) {
@ -207,24 +210,111 @@ void HWComposer::hook_invalidate(const struct hwc_procs* procs) {
ctx->hwc->invalidate();
}
void HWComposer::hook_vsync(const struct hwc_procs* procs, int dpy,
void HWComposer::hook_vsync(const struct hwc_procs* procs, int disp,
int64_t timestamp) {
cb_context* ctx = reinterpret_cast<cb_context*>(
const_cast<hwc_procs_t*>(procs));
ctx->hwc->vsync(dpy, timestamp);
ctx->hwc->vsync(disp, timestamp);
}
void HWComposer::hook_hotplug(const struct hwc_procs* procs, int disp,
int connected) {
cb_context* ctx = reinterpret_cast<cb_context*>(
const_cast<hwc_procs_t*>(procs));
ctx->hwc->hotplug(disp, connected);
}
void HWComposer::invalidate() {
mFlinger->repaintEverything();
}
void HWComposer::vsync(int dpy, int64_t timestamp) {
void HWComposer::vsync(int disp, int64_t timestamp) {
ATRACE_INT("VSYNC", ++mVSyncCount&1);
mEventHandler.onVSyncReceived(dpy, timestamp);
mEventHandler.onVSyncReceived(disp, timestamp);
Mutex::Autolock _l(mLock);
mLastHwVSync = timestamp;
}
void HWComposer::hotplug(int disp, int connected) {
if (disp == HWC_DISPLAY_PRIMARY || disp >= HWC_NUM_DISPLAY_TYPES) {
ALOGE("hotplug event received for invalid display: disp=%d connected=%d",
disp, connected);
return;
}
if (connected)
queryDisplayProperties(disp);
// TODO: tell someone else about this
}
static const uint32_t DISPLAY_ATTRIBUTES[] = {
HWC_DISPLAY_VSYNC_PERIOD,
HWC_DISPLAY_RESOLUTION_X,
HWC_DISPLAY_RESOLUTION_Y,
HWC_DISPLAY_DPI_X,
HWC_DISPLAY_DPI_Y,
HWC_DISPLAY_NO_ATTRIBUTE,
};
#define NUM_DISPLAY_ATTRIBUTES (sizeof(DISPLAY_ATTRIBUTES) / sizeof(DISPLAY_ATTRIBUTES)[0])
// http://developer.android.com/reference/android/util/DisplayMetrics.html
#define ANDROID_DENSITY_TV 213
#define ANDROID_DENSITY_XHIGH 320
void HWComposer::queryDisplayProperties(int disp) {
ALOG_ASSERT(mHwc && hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_1));
int32_t values[NUM_DISPLAY_ATTRIBUTES - 1];
memset(values, 0, sizeof(values));
uint32_t config;
size_t numConfigs = 1;
status_t err = mHwc->getDisplayConfigs(mHwc, disp, &config, &numConfigs);
if (err == NO_ERROR) {
mHwc->getDisplayAttributes(mHwc, disp, config, DISPLAY_ATTRIBUTES,
values);
}
int32_t w = 0, h = 0;
for (size_t i = 0; i < NUM_DISPLAY_ATTRIBUTES - 1; i++) {
switch (DISPLAY_ATTRIBUTES[i]) {
case HWC_DISPLAY_VSYNC_PERIOD:
mDisplayData[disp].refresh = nsecs_t(values[i]);
break;
case HWC_DISPLAY_RESOLUTION_X:
// TODO: we'll probably want to remember this eventually
w = values[i];
break;
case HWC_DISPLAY_RESOLUTION_Y:
// TODO: we'll probably want to remember this eventually
h = values[i];
break;
case HWC_DISPLAY_DPI_X:
mDisplayData[disp].xdpi = values[i] / 1000.0f;
break;
case HWC_DISPLAY_DPI_Y:
mDisplayData[disp].ydpi = values[i] / 1000.0f;
break;
default:
ALOG_ASSERT(false, "unknown display attribute %#x",
DISPLAY_ATTRIBUTES[i]);
break;
}
}
if (mDisplayData[disp].xdpi == 0.0f || mDisplayData[disp].ydpi == 0.0f) {
// is there anything smarter we can do?
if (h >= 1080) {
mDisplayData[disp].xdpi = ANDROID_DENSITY_XHIGH;
mDisplayData[disp].ydpi = ANDROID_DENSITY_XHIGH;
} else {
mDisplayData[disp].xdpi = ANDROID_DENSITY_TV;
mDisplayData[disp].ydpi = ANDROID_DENSITY_TV;
}
}
}
int32_t HWComposer::allocateDisplayId() {
if (mAllocatedDisplayIDs.count() >= mNumDisplays) {
return NO_MEMORY;

10
services/surfaceflinger/DisplayHardware/HWComposer.h
View File

@ -53,7 +53,7 @@ class HWComposer
public:
class EventHandler {
friend class HWComposer;
virtual void onVSyncReceived(int dpy, nsecs_t timestamp) = 0;
virtual void onVSyncReceived(int disp, nsecs_t timestamp) = 0;
protected:
virtual ~EventHandler() {}
};
@ -242,12 +242,16 @@ private:
struct cb_context;
static void hook_invalidate(const struct hwc_procs* procs);
static void hook_vsync(const struct hwc_procs* procs, int dpy,
static void hook_vsync(const struct hwc_procs* procs, int disp,
int64_t timestamp);
static void hook_hotplug(const struct hwc_procs* procs, int disp,
int connected);
inline void invalidate();
inline void vsync(int dpy, int64_t timestamp);
inline void vsync(int disp, int64_t timestamp);
inline void hotplug(int disp, int connected);
void queryDisplayProperties(int disp);
struct DisplayData {
DisplayData() : xdpi(0), ydpi(0), refresh(0),