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#include "displayserver.h"
#include "common/settings.h"
#include "common/processing.h"
#include "linux/displayserver_linux.h"
#include <math.h>
static bool checkHdrStatus(FFDisplayResult* display) {
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
if (ffSettingsGetAndroidProperty("ro.surface_flinger.has_HDR_display", &buffer)) {
if (ffStrbufIgnCaseEqualS(&buffer, "true")) {
display->hdrStatus = FF_DISPLAY_HDR_STATUS_SUPPORTED;
if (ffSettingsGetAndroidProperty("persist.sys.hdr_mode", &buffer) &&
ffStrbufToUInt(&buffer, 0) > 0) {
display->hdrStatus = FF_DISPLAY_HDR_STATUS_ENABLED;
}
return true;
} else {
display->hdrStatus = FF_DISPLAY_HDR_STATUS_UNSUPPORTED;
return true;
}
}
display->hdrStatus = FF_DISPLAY_HDR_STATUS_UNKNOWN;
return false;
}
static void detectWithDumpsys(FFDisplayServerResult* ds) {
FF_STRBUF_AUTO_DESTROY buf = ffStrbufCreate();
if (ffProcessAppendStdOut(&buf, (char*[]) {
"/system/bin/dumpsys",
"display",
NULL,
}) != NULL ||
buf.length == 0) {
return; // Only works in `adb shell`, or when rooted
}
uint32_t index = 0;
while ((index = ffStrbufNextIndexS(&buf, index, "DisplayDeviceInfo")) < buf.length) {
index += strlen("DisplayDeviceInfo");
uint32_t nextIndex = ffStrbufNextIndexC(&buf, index, '\n');
buf.chars[nextIndex] = '\0';
const char* info = buf.chars + index;
// {"Builtin display": uniqueId="local:4630947134992368259", 1440 x 3200, modeId 2, defaultModeId 1, supportedModes [{id=1, width=1440, height=3200, fps=60.000004, alternativeRefreshRates=[24.000002, 30.000002, 40.0, 120.00001, 120.00001, 120.00001, 120.00001, 120.00001]},
FF_STRBUF_AUTO_DESTROY name = ffStrbufCreateA(64);
unsigned width = 0, height = 0, modeId = 0;
double refreshRate = 0;
// {"Builtin display": uniqueId="local:4630947134992368259", 1440 x 3200, modeId 2
int res = sscanf(info, "{\"%63[^\"]\":%*s%u x %u, modeId%u", name.chars, &width, &height, &modeId);
if (res >= 3) {
if (res == 4) {
++info; // skip first '{'
while ((info = strchr(info, '{'))) {
++info;
unsigned id;
double fps;
// id=1, width=1440, height=3200, fps=60.000004,
if (sscanf(info, "id=%u, %*s%*s fps=%lf", &id, &fps) >= 2) {
if (id == modeId) {
refreshRate = fps;
break;
}
} else {
break;
}
}
}
ffStrbufRecalculateLength(&name);
FFDisplayResult* display = ffdsAppendDisplay(ds,
(uint32_t) width,
(uint32_t) height,
refreshRate,
0,
0,
0,
0,
0,
&name,
FF_DISPLAY_TYPE_UNKNOWN,
false,
0,
0,
0,
"dumpsys");
if (display) {
display->hdrStatus = checkHdrStatus(display);
}
}
index = nextIndex + 1;
}
}
static bool detectWithGetprop(FFDisplayServerResult* ds) {
// Only for MiUI
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
if (ffSettingsGetAndroidProperty("persist.sys.miui_resolution", &buffer) &&
ffStrbufContainC(&buffer, ',')) {
// 1440,3200,560 => width,height,densityDpi
uint32_t width = (uint32_t) ffStrbufToUInt(&buffer, 0);
ffStrbufSubstrAfterFirstC(&buffer, ',');
uint32_t height = (uint32_t) ffStrbufToUInt(&buffer, 0);
ffStrbufSubstrAfterFirstC(&buffer, ',');
uint32_t dpi = (uint32_t) ffStrbufToUInt(&buffer, 0) * 96 / 160;
FFDisplayResult* display = ffdsAppendDisplay(ds,
width,
height,
0,
dpi,
0,
0,
0,
0,
NULL,
FF_DISPLAY_TYPE_BUILTIN,
false,
0,
0,
0,
"getprop");
if (display) {
display->hdrStatus = checkHdrStatus(display);
}
return !!display;
}
return false;
}
static bool detectDE(FFDisplayServerResult* ds) {
if (ffSettingsGetAndroidProperty("ro.vivo.os.build.display.id", &ds->dePrettyName)) // OriginOS 6
{
ffStrbufAppendC(&ds->dePrettyName, ' ');
ffSettingsGetAndroidProperty("ro.vivo.product.version", &ds->dePrettyName); // PD2505D_xxx
return true;
}
if (ffSettingsGetAndroidProperty("ro.build.version.magic", &ds->dePrettyName) ||
ffSettingsGetAndroidProperty("ro.build.version.emui", &ds->dePrettyName)) {
ffStrbufReplaceAllC(&ds->dePrettyName, '_', ' ');
return true;
}
if (ffSettingsGetAndroidProperty("ro.mi.os.version.name", &ds->dePrettyName)) {
// MiUI like
ffStrbufClear(&ds->dePrettyName);
ffSettingsGetAndroidProperty("ro.build.version.incremental", &ds->dePrettyName); // Detail version number
if (ffStrbufStartsWithS(&ds->dePrettyName, "OS")) {
ds->dePrettyName.chars[0] = 'S';
ds->dePrettyName.chars[1] = ' ';
ffStrbufPrependS(&ds->dePrettyName, "HyperO");
} else if (ffStrbufStartsWithS(&ds->dePrettyName, "V")) {
ds->dePrettyName.chars[0] = ' ';
ffStrbufPrependS(&ds->dePrettyName, "MiUI");
} else {
ffStrbufSetStatic(&ds->dePrettyName, "MiUI");
}
return true;
}
if (ffSettingsGetAndroidProperty("ro.build.version.oplusrom", &ds->dePrettyName)) {
if (ffStrbufStartsWithS(&ds->dePrettyName, "V")) {
ffStrbufSubstrAfter(&ds->dePrettyName, 0);
}
ffStrbufPrependS(&ds->dePrettyName, "ColorOS");
return true;
}
if (ffSettingsGetAndroidProperty("ro.oxygen.version", &ds->dePrettyName)) {
ffStrbufPrependS(&ds->dePrettyName, "OxygenOS");
return true;
}
if (ffSettingsGetAndroidProperty("ro.build.display.id", &ds->dePrettyName)) {
if (ffStrbufStartsWithS(&ds->dePrettyName, "RedMagicOS")) {
ffStrbufInsertNC(&ds->dePrettyName, strlen("RedMagicOS"), 1, ' ');
}
// Google Pixel uses native Android
return true;
}
return false;
}
void ffConnectDisplayServerImpl(FFDisplayServerResult* ds) {
const char* error = ffdsConnectXcbRandr(ds);
if (error) {
error = ffdsConnectXrandr(ds);
}
if (!error) {
ffdsDetectWMDE(ds);
return;
}
// https://source.android.com/docs/core/graphics/surfaceflinger-windowmanager
ffStrbufSetStatic(&ds->wmProcessName, "system_server");
ffStrbufSetStatic(&ds->wmPrettyName, "WindowManager"); // A system service managed by system_server
ffStrbufSetStatic(&ds->wmProtocolName, FF_WM_PROTOCOL_SURFACEFLINGER);
if (!detectWithGetprop(ds)) {
detectWithDumpsys(ds);
}
detectDE(ds);
}
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