Allow to choose ANGLE backend.

Telegram/SourceFiles/core/application.cpp

@@ -58,6 +58,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_lock_widgets.h"
 #include "history/history_location_manager.h"
 #include "ui/widgets/tooltip.h"
+#include "ui/gl/gl_detection.h"
 #include "ui/image/image.h"
 #include "ui/text/text_options.h"
 #include "ui/emoji_config.h"
@@ -281,8 +282,7 @@ void Application::run() {
 		LOG(("Shortcuts Error: %1").arg(error));
 	}
 
-	if (!Platform::IsMac()
-		&& Ui::Integration::Instance().openglLastCheckFailed()) {
+	if (!Platform::IsMac() && Ui::GL::LastCrashCheckFailed()) {
 		showOpenGLCrashNotification();
 	}
 
@@ -297,14 +297,14 @@ void Application::run() {
 void Application::showOpenGLCrashNotification() {
 	const auto enable = [=] {
 		Ui::GL::ForceDisable(false);
-		Ui::Integration::Instance().openglCheckFinish();
+		Ui::GL::CrashCheckFinish();
 		Core::App().settings().setDisableOpenGL(false);
 		Local::writeSettings();
 		App::restart();
 	};
 	const auto keepDisabled = [=] {
 		Ui::GL::ForceDisable(true);
-		Ui::Integration::Instance().openglCheckFinish();
+		Ui::GL::CrashCheckFinish();
 		Core::App().settings().setDisableOpenGL(true);
 		Local::writeSettings();
 	};

Telegram/SourceFiles/core/core_settings.cpp

@@ -549,7 +549,7 @@ void Settings::addFromSerialized(const QByteArray &serialized) {
 	_disableOpenGL = (disableOpenGL == 1);
 	if (!Platform::IsMac()) {
 		Ui::GL::ForceDisable(_disableOpenGL
-			|| Ui::Integration::Instance().openglLastCheckFailed());
+			|| Ui::GL::LastCrashCheckFailed());
 	}
 	_groupCallNoiseSuppression = (groupCallNoiseSuppression == 1);
 	const auto uncheckedWorkMode = static_cast<WorkMode>(workMode);

Telegram/SourceFiles/core/ui_integration.cpp

@@ -88,6 +88,10 @@ const auto kBadPrefix = u"http://"_q;
 	return cWorkingDir() + "tdata/opengl_crash_check";
 }
 
+[[nodiscard]] QString ANGLEBackendFilePath() {
+	return cWorkingDir() + "tdata/angle_backend";
+}
+
 } // namespace
 
 void UiIntegration::postponeCall(FnMut<void()> &&callable) {
@@ -106,20 +110,12 @@ QString UiIntegration::emojiCacheFolder() {
 	return cWorkingDir() + "tdata/emoji";
 }
 
-void UiIntegration::openglCheckStart() {
-	auto f = QFile(OpenGLCheckFilePath());
-	if (f.open(QIODevice::WriteOnly)) {
-		f.write("1", 1);
-		f.close();
-	}
+QString UiIntegration::openglCheckFilePath() {
+	return OpenGLCheckFilePath();
 }
 
-void UiIntegration::openglCheckFinish() {
-	QFile::remove(OpenGLCheckFilePath());
-}
-
-bool UiIntegration::openglLastCheckFailed() {
-	return OpenGLLastCheckFailed();
+QString UiIntegration::angleBackendFilePath() {
+	return ANGLEBackendFilePath();
 }
 
 void UiIntegration::textActionsUpdated() {

Telegram/SourceFiles/core/ui_integration.h

@@ -37,10 +37,8 @@ public:
 	void unregisterLeaveSubscription(not_null<QWidget*> widget) override;
 
 	QString emojiCacheFolder() override;
-
-	void openglCheckStart() override;
-	void openglCheckFinish() override;
-	bool openglLastCheckFailed() override;
+	QString openglCheckFilePath() override;
+	QString angleBackendFilePath() override;
 
 	void textActionsUpdated() override;
 	void activationFromTopPanel() override;