Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/canvas/source/opengl/ogl_buffercontext.hxx b/canvas/source/opengl/ogl_buffercontext.hxx
new file mode 100644
index 000000000..d4262d356
--- /dev/null
+++ b/canvas/source/opengl/ogl_buffercontext.hxx
@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <epoxy/gl.h>
+
+#include <sal/config.h>
+#include <memory>
+
+namespace oglcanvas
+{
+    struct IBufferContext
+    {
+        virtual ~IBufferContext() {}
+
+        /// start render to buffer. changes current framebuffer
+        virtual void startBufferRendering() = 0;
+
+        /// end render to buffer. switches to default framebuffer
+        virtual void endBufferRendering() = 0;
+
+        virtual GLuint getTextureId() = 0;
+    };
+
+    typedef std::shared_ptr<IBufferContext> IBufferContextSharedPtr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */