1 files changed, 63 insertions, 0 deletions
diff --git a/src/core/ozone/gl_share_context_qt.h b/src/core/ozone/gl_share_context_qt.h
new file mode 100644
index 000000000..89be00421
--- /dev/null
+++ b/src/core/ozone/gl_share_context_qt.h
@@ -0,0 +1,63 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef GL_SHARE_CONTEXT_QT
+#define GL_SHARE_CONTEXT_QT
+
+#include "ui/gl/gpu_timing.h"
+#include "ui/gl/gl_context.h"
+#include "ui/gl/gl_share_group.h"
+#include "qtwebenginecoreglobal.h"
+
+QT_FORWARD_DECLARE_CLASS(QOpenGLContext)
+
+namespace QtWebEngineCore {
+
+class QtShareGLContext : public gl::GLContext
+{
+
+public:
+    QtShareGLContext(QOpenGLContext *qtContext);
+    void *GetHandle() override { return m_handle; }
+    unsigned int CheckStickyGraphicsResetStatusImpl() override;
+    // We don't care about the rest, this context shouldn't be used except for its handle.
+    bool Initialize(gl::GLSurface *, const gl::GLContextAttribs &) override
+    {
+        Q_UNREACHABLE();
+        return false;
+    }
+    bool MakeCurrentImpl(gl::GLSurface *) override
+    {
+        Q_UNREACHABLE();
+        return false;
+    }
+    void ReleaseCurrent(gl::GLSurface *) override { Q_UNREACHABLE(); }
+    bool IsCurrent(gl::GLSurface *) override
+    {
+        Q_UNREACHABLE();
+        return false;
+    }
+    scoped_refptr<gl::GPUTimingClient> CreateGPUTimingClient() override { return nullptr; }
+    const gfx::ExtensionSet &GetExtensions() override
+    {
+        static const gfx::ExtensionSet s_emptySet;
+        return s_emptySet;
+    }
+    void ResetExtensions() override {}
+
+private:
+    void *m_handle;
+};
+
+class ShareGroupQt : public gl::GLShareGroup
+{
+
+public:
+    gl::GLContext *GetContext() override { return m_shareContextQt.get(); }
+    void AboutToAddFirstContext() override;
+
+private:
+    scoped_refptr<gl::GLContext> m_shareContextQt;
+};
+} // namespace
+#endif