vcl: Add OpenGLSalBitmap implementation

Change-Id: I0deebaedf6fe5b23f50a448eea0d5d9e99ebd391

1 files changed, 90 insertions, 0 deletions

diff --git a/vcl/inc/opengl/salbmp.hxx b/vcl/inc/opengl/salbmp.hxx
new file mode 100644
index 000000000000..5661e565b733
--- /dev/null
+++ b/vcl/inc/opengl/salbmp.hxx
@@ -0,0 +1,90 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_VCL_INC_OPENGL_SALBMP_H
+#define INCLUDED_VCL_INC_OPENGL_SALBMP_H
+
+#include <basebmp/bitmapdevice.hxx>
+#include <vcl/opengl/OpenGLContext.hxx>
+
+#include "vcl/salbtype.hxx"
+
+#include <salbmp.hxx>
+
+// - SalBitmap  -
+
+struct  BitmapBuffer;
+class   BitmapPalette;
+
+class VCL_PLUGIN_PUBLIC OpenGLSalBitmap : public SalBitmap
+{
+private:
+    OpenGLContext*                  mpContext;
+    GLuint                          mnTexture;
+    bool                            mbDirtyTexture;
+    BitmapPalette                   maPalette;
+    basebmp::RawMemorySharedArray   maUserBuffer;
+    sal_uInt16                      mnBits;
+    sal_uInt16                      mnBytesPerRow;
+    int                             mnWidth;
+    int                             mnHeight;
+
+public:
+    OpenGLSalBitmap();
+    virtual ~OpenGLSalBitmap();
+
+public:
+
+    // SalBitmap methods
+    bool            Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal ) SAL_OVERRIDE;
+    bool            Create( const SalBitmap& rSalBmp ) SAL_OVERRIDE;
+    bool            Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics ) SAL_OVERRIDE;
+    bool            Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount ) SAL_OVERRIDE;
+    virtual bool    Create( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > xBitmapCanvas,
+                            Size& rSize,
+                            bool bMask = false ) SAL_OVERRIDE;
+
+    void            Destroy() SAL_OVERRIDE;
+
+    Size            GetSize() const SAL_OVERRIDE;
+    sal_uInt16      GetBitCount() const SAL_OVERRIDE;
+
+    BitmapBuffer   *AcquireBuffer( bool bReadOnly ) SAL_OVERRIDE;
+    void            ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly ) SAL_OVERRIDE;
+
+    bool            GetSystemData( BitmapSystemData& rData ) SAL_OVERRIDE;
+
+public:
+
+    bool            Create( OpenGLContext& rContext, long nX, long nY, long nWidth, long nHeight );
+    bool            Draw( OpenGLContext& rContext, const SalTwoRect& rPosAry );
+    GLuint          GetTexture( OpenGLContext& rContext ) const;
+
+private:
+
+    GLuint          CreateTexture();
+    void            DeleteTexture();
+    void            DrawTexture( GLuint nTexture, const SalTwoRect& rPosAry );
+    bool            AllocateUserData();
+    bool            ReadTexture();
+};
+
+#endif // INCLUDED_VCL_INC_OPENGL_SALBMP_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */