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Telegram/lib_ui/ui/gl/gl_detection.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "base/flags.h"
+
+// ANGLE is used only on Windows with Qt < 6.
+#if defined Q_OS_WIN && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+#define DESKTOP_APP_USE_ANGLE
+#endif // Q_OS_WIN && Qt < 6
+
+class QOpenGLContext;
+
+namespace Ui::GL {
+
+enum class Backend {
+	Raster,
+	OpenGL,
+};
+
+struct Capabilities {
+	bool supported = false;
+	bool transparency = false;
+};
+
+[[nodiscard]] Capabilities CheckCapabilities(QWidget *widget = nullptr);
+[[nodiscard]] Backend ChooseBackendDefault(Capabilities capabilities);
+
+void ForceDisable(bool disable);
+
+void DetectLastCheckCrash();
+[[nodiscard]] bool LastCrashCheckFailed();
+void CrashCheckFinish();
+
+#ifdef DESKTOP_APP_USE_ANGLE
+enum class ANGLE {
+	Auto,
+	D3D9,
+	D3D11,
+	D3D11on12,
+	//OpenGL,
+};
+
+void ConfigureANGLE(); // Requires Ui::Integration being set.
+void ChangeANGLE(ANGLE backend);
+[[nodiscard]] ANGLE CurrentANGLE();
+#endif // DESKTOP_APP_USE_ANGLE
+
+} // namespace Ui::GL