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Only fallback to shim if necessary

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This commit is contained in:
Billy Laws 2022-02-19 20:46:52 +00:00
parent 17465c2707
commit e08b1d013f
2 changed files with 104 additions and 17 deletions
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2
tools/qtimapper-shim/ext/mapper.h
View file

@ -60,9 +60,7 @@ struct IMapper : public IBase {
int32_t height __attribute__((aligned(4)));
};
#ifdef SHIM_MODE
static sp<IMapper> getService(const std::string& /* serviceName */, const bool /* getStub */);
#endif
};
} // namespace V2_0

119
tools/qtimapper-shim/shim.cpp
View file

@ -30,12 +30,14 @@
#define LOG_TAG "qtimapper-shim"
#include <android/hidl/base/1.0/BpHwBase.h>
#include <dlfcn.h>
#include <hidl/HidlSupport.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <log/log.h>
#include <utils/NativeHandle.h>
#include <utils/misc.h>
#include "ext/common.h"
#include "ext/gr_utils.h"
#include "ext/mapper.h"
@ -46,36 +48,117 @@ using namespace android;
// These two functions are used by the blob and aren't present on Q so weakly stub them
extern "C" uint64_t __attribute__((weak)) atrace_get_enabled_tags() {
return 0;
return 0;
}
namespace android::hardware::details {
void __attribute__((weak)) return_status::onValueRetrieval() const {}
}
void __attribute__((weak)) return_status::onValueRetrieval() const {}
} // namespace android::hardware::details
bool IBase::isRemote() const {
return false;
}
sp<graphics::mapper::V2_0::IMapper> (*Mapper20GetService)(const std::string&, const bool);
sp<graphics::mapper::V3_0::IMapper> (*Mapper30GetService)(const std::string&, const bool);
sp<graphics::mapper::V4_0::IMapper> (*Mapper40GetService)(const std::string&, const bool);
Return<sp<vendor::qti::hardware::display::mapper::V2_0::IQtiMapper>> (*QtiMapper20CastFrom)(
const sp<graphics::mapper::V2_0::IMapper>&, bool);
Return<sp<vendor::qti::hardware::display::mapper::V3_0::IQtiMapper>> (*QtiMapper30CastFrom)(
const sp<graphics::mapper::V3_0::IMapper>&, bool);
Return<sp<vendor::qti::hardware::display::mapper::V4_0::IQtiMapper>> (*QtiMapper40CastFrom)(
const sp<graphics::mapper::V4_0::IMapper>&, bool);
Return<sp<vendor::qti::hardware::display::mapperextensions::V1_1::IQtiMapperExtensions>> (
*MapperExtensions11CastFrom)(
const sp<vendor::qti::hardware::display::mapperextensions::V1_0::IQtiMapperExtensions>&, bool);
__attribute__((constructor)) static void initShim() {
void* qtiMapper40Hnd =
dlopen("vendor.qti.hardware.display.mapper@4.0.so", RTLD_LAZY | RTLD_LOCAL);
if (qtiMapper40Hnd) {
void* mapper40Hnd = dlopen("android.hardware.graphics.mapper@4.0.so", RTLD_LAZY | RTLD_LOCAL);
if (mapper40Hnd) {
Mapper40GetService = reinterpret_cast<decltype(Mapper40GetService)>(
dlsym(mapper40Hnd,
"_ZN7android8hardware8graphics6mapper4V4_07IMapper10getServiceERKNSt3__112basic_"
"stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEEb"));
QtiMapper40CastFrom = reinterpret_cast<decltype(QtiMapper40CastFrom)>(dlsym(
qtiMapper40Hnd,
"_ZN6vendor3qti8hardware7display6mapper4V4_010IQtiMapper8castFromERKN7android2spINS6_"
"8hardware8graphics6mapper4V4_07IMapperEEEb"));
ALOGD("%s: Mapper 4.0 present", __func__);
}
}
void* qtiMapper30Hnd =
dlopen("vendor.qti.hardware.display.mapper@3.0.so", RTLD_LAZY | RTLD_LOCAL);
if (qtiMapper30Hnd) {
void* mapper30Hnd = dlopen("android.hardware.graphics.mapper@3.0.so", RTLD_LAZY | RTLD_LOCAL);
if (mapper30Hnd) {
Mapper30GetService = reinterpret_cast<decltype(Mapper30GetService)>(
dlsym(mapper30Hnd,
"_ZN7android8hardware8graphics6mapper4V3_07IMapper10getServiceERKNSt3__112basic_"
"stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEEb"));
QtiMapper30CastFrom = reinterpret_cast<decltype(QtiMapper30CastFrom)>(dlsym(
qtiMapper30Hnd,
"_ZN6vendor3qti8hardware7display6mapper4V3_010IQtiMapper8castFromERKN7android2spINS6_"
"8hardware8graphics6mapper4V3_07IMapperEEEb"));
ALOGD("%s: Mapper 3.0 present", __func__);
}
}
void* qtiMapper20Hnd =
dlopen("vendor.qti.hardware.display.mapper@2.0.so", RTLD_LAZY | RTLD_LOCAL);
if (qtiMapper20Hnd) {
void* mapper20Hnd = dlopen("android.hardware.graphics.mapper@2.0.so", RTLD_LAZY | RTLD_LOCAL);
if (mapper20Hnd) {
Mapper20GetService = reinterpret_cast<decltype(Mapper20GetService)>(
dlsym(mapper20Hnd,
"_ZN7android8hardware8graphics6mapper4V2_07IMapper10getServiceERKNSt3__112basic_"
"stringIcNS5_11char_traitsIcEENS5_9allocatorIcEEEEb"));
QtiMapper20CastFrom = reinterpret_cast<decltype(QtiMapper20CastFrom)>(dlsym(
qtiMapper20Hnd,
"_ZN6vendor3qti8hardware7display6mapper4V2_010IQtiMapper8castFromERKN7android2spINS6_"
"8hardware8graphics6mapper4V2_07IMapperEEEb"));
ALOGD("%s: Mapper 2.0 present", __func__);
}
}
void* mapperExtensions11Hnd =
dlopen("vendor.qti.hardware.display.mapperextensions@1.1.so", RTLD_LAZY | RTLD_LOCAL);
if (mapperExtensions11Hnd) {
MapperExtensions11CastFrom = reinterpret_cast<decltype(MapperExtensions11CastFrom)>(dlsym(
mapperExtensions11Hnd,
"_ZN6vendor3qti8hardware7display16mapperextensions4V1_"
"120IQtiMapperExtensions8castFromERKN7android2spINS3_4V1_020IQtiMapperExtensionsEEEb"));
ALOGD("%s: Mapper Extensions 1.1 present", __func__);
}
}
namespace android::hardware::graphics::mapper {
namespace V2_0 {
sp<IMapper> IMapper::getService(const std::string& /* serviceName */, const bool /* getStub */) {
sp<IMapper> IMapper::getService(const std::string& serviceName, const bool getStub) {
if (Mapper20GetService) return Mapper20GetService(serviceName, getStub);
return nullptr;
}
} // namespace V2_0
namespace V3_0 {
sp<IMapper> IMapper::getService(const std::string& /* serviceName */, const bool /* getStub */) {
sp<IMapper> IMapper::getService(const std::string& serviceName, const bool getStub) {
if (Mapper30GetService) return Mapper30GetService(serviceName, getStub);
return nullptr;
}
} // namespace V3_0
namespace V4_0 {
sp<IMapper> IMapper::getService(const std::string& /* serviceName */, const bool /* getStub */) {
sp<IMapper> IMapper::getService(const std::string& serviceName, const bool getStub) {
if (Mapper40GetService) return Mapper40GetService(serviceName, getStub);
return nullptr;
}
@ -85,24 +168,28 @@ namespace vendor::qti::hardware::display {
namespace mapper {
namespace V4_0 {
Return<sp<IQtiMapper>> IQtiMapper::castFrom(const sp<graphics::mapper::V4_0::IMapper>& /* parent */,
bool /* emitError */) {
Return<sp<IQtiMapper>> IQtiMapper::castFrom(const sp<graphics::mapper::V4_0::IMapper>& parent,
bool emitError) {
if (QtiMapper40CastFrom) return QtiMapper40CastFrom(parent, emitError);
return nullptr;
}
} // namespace V4_0
namespace V3_0 {
Return<sp<IQtiMapper>> IQtiMapper::castFrom(const sp<graphics::mapper::V3_0::IMapper>& /* parent */,
bool /* emitError */) {
Return<sp<IQtiMapper>> IQtiMapper::castFrom(const sp<graphics::mapper::V3_0::IMapper>& parent,
bool emitError) {
if (QtiMapper30CastFrom) return QtiMapper30CastFrom(parent, emitError);
return nullptr;
}
} // namespace V3_0
namespace V2_0 {
Return<sp<IQtiMapper>> IQtiMapper::castFrom(const sp<graphics::mapper::V2_0::IMapper>& /* parent */,
bool /* emitError */) {
Return<sp<IQtiMapper>> IQtiMapper::castFrom(const sp<graphics::mapper::V2_0::IMapper>& parent,
bool emitError) {
if (QtiMapper20CastFrom) return QtiMapper20CastFrom(parent, emitError);
return new IQtiMapper();
}
@ -110,7 +197,6 @@ Return<void> IQtiMapper::getMapperExtensions(getMapperExtensions_cb _hidl_cb) {
sp<mapperextensions::V1_0::IQtiMapperExtensions> ext{
new mapperextensions::V1_0::IQtiMapperExtensions()};
_hidl_cb(graphics::mapper::V2_0::Error::NONE, ext);
ALOGD("IQtiMapperExtensions shim active");
return Void();
}
@ -120,6 +206,8 @@ namespace mapperextensions {
namespace V1_1 {
IQtiMapperExtensions::IQtiMapperExtensions() {
ALOGI("IQtiMapperExtensions shim active");
hw_module_t const* module;
if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module)) {
ALOGE("Failed to open gralloc module!");
@ -142,7 +230,8 @@ IQtiMapperExtensions::IQtiMapperExtensions() {
}
Return<sp<IQtiMapperExtensions>> IQtiMapperExtensions::castFrom(
android::sp<V1_0::IQtiMapperExtensions> const& /* parent */, bool /* emitError */) {
android::sp<V1_0::IQtiMapperExtensions> const& parent, bool emitError) {
if (MapperExtensions11CastFrom) return MapperExtensions11CastFrom(parent, emitError);
return new IQtiMapperExtensions();
}