Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 47 insertions, 0 deletions

diff --git a/vcl/inc/opengl/FixedTextureAtlas.hxx b/vcl/inc/opengl/FixedTextureAtlas.hxx
new file mode 100644
index 000000000..e576fcb54
--- /dev/null
+++ b/vcl/inc/opengl/FixedTextureAtlas.hxx
@@ -0,0 +1,47 @@
+/* -*- 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/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_INC_OPENGL_FIXEDTEXTUREATLAS_HXX
+#define INCLUDED_VCL_INC_OPENGL_FIXEDTEXTUREATLAS_HXX
+
+#include <memory>
+#include <opengl/texture.hxx>
+
+struct FixedTexture;
+
+class FixedTextureAtlasManager final
+{
+    std::vector<std::unique_ptr<FixedTexture>> maFixedTextures;
+
+    int mWidthFactor;
+    int mHeightFactor;
+    int mSubTextureSize;
+
+    void CreateNewTexture();
+
+    FixedTextureAtlasManager( const FixedTextureAtlasManager& ) = delete;
+    FixedTextureAtlasManager& operator=( const FixedTextureAtlasManager& ) = delete;
+
+public:
+    FixedTextureAtlasManager(int nWidthFactor, int nHeightFactor, int nTextureSize);
+    ~FixedTextureAtlasManager();
+
+    OpenGLTexture InsertBuffer(int nWidth, int nHeight, int nFormat, int nType, sal_uInt8 const * pData);
+    OpenGLTexture Reserve(int nWidth, int nHeight);
+
+    int GetSubtextureSize() const
+    {
+        return mSubTextureSize;
+    }
+};
+
+#endif // INCLUDED_VCL_INC_OPENGL_FIXEDTEXTUREATLAS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */