Merge "Read ro.hardware.egl for ANGLE's filename"

#include <EGL/Platform.h>

#pragma GCC diagnostic pop

#include <android-base/properties.h>

#include <android/dlext.h>

#include <dlfcn.h>

#include <graphicsenv/GraphicsEnv.h>

#include <time.h>

#include <log/log.h>

#include <time.h>

#include <vndksupport/linker.h>

namespace angle {

constexpr char kAngleEs2Lib[] = "libGLESv2_angle.so";

constexpr int kAngleDlFlags = RTLD_LOCAL | RTLD_NOW;

static GetDisplayPlatformFunc angleGetDisplayPlatform = nullptr;

    android_namespace_t* ns = android::GraphicsEnv::getInstance().getAngleNamespace();

    void* so = nullptr;

    if (ns) {

        // Loading from an APK, so hard-code the suffix to "_angle".

        constexpr char kAngleEs2Lib[] = "libGLESv2_angle.so";

        const android_dlextinfo dlextinfo = {

                .flags = ANDROID_DLEXT_USE_NAMESPACE,

                .library_namespace = ns,

        };

        so = android_dlopen_ext(kAngleEs2Lib, kAngleDlFlags, &dlextinfo);

        if (so) {

            ALOGD("dlopen_ext from APK (%s) success at %p", kAngleEs2Lib, so);

        } else {

            ALOGE("dlopen_ext(\"%s\") failed: %s", kAngleEs2Lib, dlerror());

            return false;

        }

    } else {

        // If we are here, ANGLE is loaded as built-in gl driver in the sphal.

        so = android_load_sphal_library(kAngleEs2Lib, kAngleDlFlags);

        // Get the specified ANGLE library filename suffix.

        std::string angleEs2LibSuffix = android::base::GetProperty("ro.hardware.egl", "");

        if (angleEs2LibSuffix.empty()) {

            ALOGE("%s failed to get valid ANGLE library filename suffix!", __FUNCTION__);

            return false;

        }

    if (!so) {

        ALOGE("%s failed to dlopen %s!", __FUNCTION__, kAngleEs2Lib);

        std::string angleEs2LibName = "libGLESv2_" + angleEs2LibSuffix + ".so";

        so = android_load_sphal_library(angleEs2LibName.c_str(), kAngleDlFlags);

        if (so) {

            ALOGD("dlopen (%s) success at %p", angleEs2LibName.c_str(), so);

        } else {

            ALOGE("%s failed to dlopen %s!", __FUNCTION__, angleEs2LibName.c_str());

            return false;

        }

    }

    angleGetDisplayPlatform =

            reinterpret_cast<GetDisplayPlatformFunc>(dlsym(so, "ANGLEGetDisplayPlatform"));