firka/flutter
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[Impeller] Disable Vulkan on Emulators. (#162454)

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Forces known android emulators to use OpenGLES. This is a very
conservative check that could be expanded over time if need be. For
testing emulators can still use the debug flags.

Fixes https://github.com/flutter/flutter/issues/160442
Fixes https://github.com/flutter/flutter/issues/160439
Fixes https://github.com/flutter/flutter/issues/155973
This commit is contained in:
Jonah Williams 2025-01-30 11:41:04 -08:00 committed by GitHub
parent 148db22e34
commit a3fced5da1
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GPG Key ID: B5690EEEBB952194
3 changed files with 24 additions and 0 deletions
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14
engine/src/flutter/shell/platform/android/flutter_main.cc
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@ -5,7 +5,9 @@
#define FML_USED_ON_EMBEDDER #define FML_USED_ON_EMBEDDER
#include <android/log.h> #include <android/log.h>
#include <sys/system_properties.h>
#include <optional> #include <optional>
#include <string>
#include <vector> #include <vector>
#include "common/settings.h" #include "common/settings.h"
@ -230,6 +232,11 @@ bool FlutterMain::Register(JNIEnv* env) {
return env->RegisterNatives(clazz, methods, std::size(methods)) == 0; return env->RegisterNatives(clazz, methods, std::size(methods)) == 0;
} }
// static
bool FlutterMain::IsDeviceEmulator(std::string_view product_model) {
return std::string(product_model).find("gphone") != std::string::npos;
}
// static // static
AndroidRenderingAPI FlutterMain::SelectedRenderingAPI( AndroidRenderingAPI FlutterMain::SelectedRenderingAPI(
const flutter::Settings& settings) { const flutter::Settings& settings) {
@ -266,6 +273,13 @@ AndroidRenderingAPI FlutterMain::SelectedRenderingAPI(
if (api_level < kMinimumAndroidApiLevelForVulkan) { if (api_level < kMinimumAndroidApiLevelForVulkan) {
return kVulkanUnsupportedFallback; return kVulkanUnsupportedFallback;
} }
char product_model[PROP_VALUE_MAX];
__system_property_get("ro.product.model", product_model);
if (IsDeviceEmulator(product_model)) {
// Avoid using Vulkan on known emulators.
return kVulkanUnsupportedFallback;
}
// Determine if Vulkan is supported by creating a Vulkan context and // Determine if Vulkan is supported by creating a Vulkan context and
// checking if it is valid. // checking if it is valid.
impeller::ScopedValidationDisable disable_validation; impeller::ScopedValidationDisable disable_validation;

2
engine/src/flutter/shell/platform/android/flutter_main.h
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@ -26,6 +26,8 @@ class FlutterMain {
static AndroidRenderingAPI SelectedRenderingAPI( static AndroidRenderingAPI SelectedRenderingAPI(
const flutter::Settings& settings); const flutter::Settings& settings);
static bool IsDeviceEmulator(std::string_view product_model);
private: private:
const flutter::Settings settings_; const flutter::Settings settings_;
DartServiceIsolate::CallbackHandle vm_service_uri_callback_ = 0; DartServiceIsolate::CallbackHandle vm_service_uri_callback_ = 0;

8
engine/src/flutter/shell/platform/android/platform_view_android_unittests.cc
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@ -34,5 +34,13 @@ TEST(AndroidPlatformView, SoftwareRenderingNotSupportedWithImpeller) {
ASSERT_DEATH(FlutterMain::SelectedRenderingAPI(settings), ""); ASSERT_DEATH(FlutterMain::SelectedRenderingAPI(settings), "");
} }
TEST(AndroidPlatformView, FallsBackToGLESonEmulator) {
std::string emulator_product = "gphone_x64";
std::string device_product = "smg1234";
EXPECT_TRUE(FlutterMain::IsDeviceEmulator(emulator_product));
EXPECT_FALSE(FlutterMain::IsDeviceEmulator(device_product));
}
} // namespace testing } // namespace testing
} // namespace flutter } // namespace flutter