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Commit ac4fe436 authored by Jooyung Han's avatar Jooyung Han Committed by Automerger Merge Worker
Browse files

Merge "Load vulkan driver from an apex when ro.vulkan.apex is set" into main am: a4f2d92c 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2818498



Change-Id: I719f766db64d6334f115f5ad2370df34abf25317
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 37179aef a4f2d92c

vulkan/libvulkan/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -109,6 +109,7 @@ cc_library_shared { 
        "libnativeloader_lazy",

        "libnativewindow",

        "libvndksupport",

        "libdl_android",

        "android.hardware.graphics.common@1.0",

        "libSurfaceFlingerProp",

    ],

vulkan/libvulkan/driver.cpp

+29 −6
Original line number Diff line number Diff line
@@ -46,6 +46,8 @@ 
using namespace android::hardware::configstore;

using namespace android::hardware::configstore::V1_0;



extern "C" android_namespace_t* android_get_exported_namespace(const char*);



// #define ENABLE_ALLOC_CALLSTACKS 1

#if ENABLE_ALLOC_CALLSTACKS

#include <utils/CallStack.h>
@@ -159,6 +161,7 @@ const std::array<const char*, 2> HAL_SUBNAME_KEY_PROPERTIES = {{ 
    "ro.board.platform",

}};

constexpr int LIB_DL_FLAGS = RTLD_LOCAL | RTLD_NOW;

constexpr char RO_VULKAN_APEX_PROPERTY[] = "ro.vulkan.apex";



// LoadDriver returns:

// * 0 when succeed, or
@@ -166,6 +169,7 @@ constexpr int LIB_DL_FLAGS = RTLD_LOCAL | RTLD_NOW; 
// * -EINVAL when fail to find HAL_MODULE_INFO_SYM_AS_STR or

//   HWVULKAN_HARDWARE_MODULE_ID in the library.

int LoadDriver(android_namespace_t* library_namespace,

               const char* ns_name,

               const hwvulkan_module_t** module) {

    ATRACE_CALL();
@@ -184,10 +188,8 @@ int LoadDriver(android_namespace_t* library_namespace, 
            };

            so = android_dlopen_ext(lib_name.c_str(), LIB_DL_FLAGS, &dlextinfo);

            if (!so) {

                ALOGE(

                    "Could not load %s from updatable gfx driver namespace: "

                    "%s.",

                    lib_name.c_str(), dlerror());

                ALOGE("Could not load %s from %s namespace: %s.",

                      lib_name.c_str(), ns_name, dlerror());

            }

        } else {

            // load built-in driver
@@ -215,12 +217,30 @@ int LoadDriver(android_namespace_t* library_namespace, 
    return 0;

}



int LoadDriverFromApex(const hwvulkan_module_t** module) {

    ATRACE_CALL();



    auto apex_name = android::base::GetProperty(RO_VULKAN_APEX_PROPERTY, "");

    if (apex_name == "") {

        return -ENOENT;

    }

    // Get linker namespace for Vulkan APEX

    std::replace(apex_name.begin(), apex_name.end(), '.', '_');

    auto ns = android_get_exported_namespace(apex_name.c_str());

    if (!ns) {

        return -ENOENT;

    }

    android::GraphicsEnv::getInstance().setDriverToLoad(

        android::GpuStatsInfo::Driver::VULKAN);

    return LoadDriver(ns, apex_name.c_str(), module);

}



int LoadBuiltinDriver(const hwvulkan_module_t** module) {

    ATRACE_CALL();



    android::GraphicsEnv::getInstance().setDriverToLoad(

        android::GpuStatsInfo::Driver::VULKAN);

    return LoadDriver(nullptr, module);

    return LoadDriver(nullptr, nullptr, module);

}



int LoadUpdatedDriver(const hwvulkan_module_t** module) {
@@ -231,7 +251,7 @@ int LoadUpdatedDriver(const hwvulkan_module_t** module) { 
        return -ENOENT;

    android::GraphicsEnv::getInstance().setDriverToLoad(

        android::GpuStatsInfo::Driver::VULKAN_UPDATED);

    int result = LoadDriver(ns, module);

    int result = LoadDriver(ns, "updatable gfx driver", module);

    if (result != 0) {

        LOG_ALWAYS_FATAL(

            "couldn't find an updated Vulkan implementation from %s",
@@ -259,6 +279,9 @@ bool Hal::Open() { 
    const hwvulkan_module_t* module = nullptr;



    result = LoadUpdatedDriver(&module);

    if (result == -ENOENT) {

        result = LoadDriverFromApex(&module);

    }

    if (result == -ENOENT) {

        result = LoadBuiltinDriver(&module);

    }