1 files changed, 124 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderVertexBuffer.h b/src/render/Qt3DSRenderVertexBuffer.h
new file mode 100644
index 0000000..914afe2
--- /dev/null
+++ b/src/render/Qt3DSRenderVertexBuffer.h
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2012 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#pragma once
+#ifndef QT3DS_RENDER_QT3DS_RENDER_VERTEX_BUFFER_H
+#define QT3DS_RENDER_QT3DS_RENDER_VERTEX_BUFFER_H
+#include "foundation/Qt3DSOption.h"
+#include "foundation/Utils.h"
+#include "render/Qt3DSRenderDrawable.h"
+#include "render/Qt3DSRenderDataBuffer.h"
+
+namespace qt3ds {
+namespace render {
+
+    // forward declaration
+    class NVRenderContextImpl;
+
+    ///< Vertex buffer representation
+    class NVRenderVertexBuffer : public NVRenderDataBuffer
+    {
+    public:
+        /**
+         * @brief constructor
+         *
+         * @param[in] context		Pointer to context
+         * @param[in] entries		Vertex buffer attribute layout entries
+         * @param[in] size			Size of the buffer
+         * @param[in] bindFlags		Where to binf this buffer (e.g. vertex, index, ...)
+         *							For OpenGL this should be a single
+         *value
+         * @param[in] usage			Usage of the buffer (e.g. static, dynamic...)
+         * @param[in] data			A pointer to the buffer data that is allocated by the
+         *application.
+         *
+         * @return No return.
+         */
+        NVRenderVertexBuffer(NVRenderContextImpl &context, size_t size, QT3DSU32 stride,
+                             NVRenderBufferBindFlags bindFlags,
+                             NVRenderBufferUsageType::Enum usageType, NVDataRef<QT3DSU8> data);
+
+        ///< destructor
+        virtual ~NVRenderVertexBuffer();
+
+        /**
+         * @brief return vertex data stride
+         *
+         * @return data stride.
+         */
+        virtual QT3DSU32 GetStride() const { return m_Stride; }
+
+        /**
+         * @brief get vertex count
+         *
+         * @return vertex count
+         */
+        virtual QT3DSU32 GetNumVertexes() const
+        {
+            QT3DS_ASSERT((m_BufferCapacity % m_Stride) == 0);
+            return m_BufferCapacity / m_Stride;
+        }
+
+        /**
+         * @brief bind the buffer bypasses the context state
+         *
+         * @return no return.
+         */
+        void Bind() override;
+
+        /**
+         * @brief get the backend object handle
+         *
+         * @return the backend object handle.
+         */
+        NVRenderBackend::NVRenderBackendBufferObject GetBuffertHandle() const override
+        {
+            return m_BufferHandle;
+        }
+
+        // this will be obsolete
+        const void *GetImplementationHandle() const override
+        {
+            return reinterpret_cast<void *>(m_BufferHandle);
+        }
+
+        // No stride means that stride is calculated from the size of last entry found via entry
+        // offset
+        // Leaves this buffer temporarily bound.
+        static NVRenderVertexBuffer *Create(NVRenderContextImpl &context,
+                                            NVRenderBufferUsageType::Enum usageType, size_t size,
+                                            QT3DSU32 stride, NVConstDataRef<QT3DSU8> bufferData);
+
+    private:
+        QT3DSU32 m_Stride; ///< veretex data stride
+    };
+}
+}
+
+#endif