summaryrefslogtreecommitdiffstats
path: root/src/render/Qt3DSRenderIndexBuffer.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/render/Qt3DSRenderIndexBuffer.h')
-rw-r--r--src/render/Qt3DSRenderIndexBuffer.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderIndexBuffer.h b/src/render/Qt3DSRenderIndexBuffer.h
new file mode 100644
index 0000000..6b9c471
--- /dev/null
+++ b/src/render/Qt3DSRenderIndexBuffer.h
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** 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_INDEX_BUFFER_H
+#define QT3DS_RENDER_INDEX_BUFFER_H
+#include "render/Qt3DSRenderDataBuffer.h"
+#include "render/Qt3DSRenderDrawable.h"
+
+namespace qt3ds {
+class NVFoundationBase;
+}
+
+namespace qt3ds {
+namespace render {
+
+ // forward declaration
+ class NVRenderContextImpl;
+
+ class NVRenderIndexBuffer : public NVRenderDataBuffer, public NVRenderDrawable
+ {
+ public:
+ /**
+ * @brief constructor
+ *
+ * @param[in] context Pointer to context
+ * @param[in] size Size of the buffer
+ * @param[in] componentType Size of the buffer
+ * @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.
+ */
+ NVRenderIndexBuffer(NVRenderContextImpl &context, size_t size,
+ NVRenderComponentTypes::Enum componentType,
+ NVRenderBufferUsageType::Enum usageType, NVDataRef<QT3DSU8> data);
+
+ ///< destruvtor
+ ~NVRenderIndexBuffer();
+
+ /**
+ * @brief get the component type (QT3DSU8, QT3DSU16)
+ *
+ * @return the component type
+ */
+ virtual NVRenderComponentTypes::Enum GetComponentType() const { return m_ComponentType; }
+
+ /**
+ * @brief get the index count
+ *
+ * @return actual index count
+ */
+ virtual QT3DSU32 GetNumIndices() const;
+
+ /**
+ * @brief bind the buffer bypasses the context state
+ *
+ * @return no return.
+ */
+ void Bind() override;
+
+ /**
+ * @brief draw the buffer
+ *
+ * @param[in] drawMode draw mode (e.g Triangles...)
+ * @param[in] count vertex count
+ * @param[in] offset start offset in byte
+ *
+ * @return no return.
+ */
+ void Draw(NVRenderDrawMode::Enum drawMode, QT3DSU32 count, QT3DSU32 offset) override;
+
+ /**
+ * @brief draw the buffer via indirec draw buffer setup
+ *
+ * @param[in] drawMode draw mode (e.g Triangles...)
+ * @param[in] offset byte offset into the bound drawIndirectBuffer see
+ * NVRenderDrawIndirectBuffer
+ *
+ * @return no return.
+ */
+ virtual void DrawIndirect(NVRenderDrawMode::Enum drawMode, QT3DSU32 offset);
+
+ /**
+ * @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);
+ }
+
+ static NVRenderIndexBuffer *Create(NVRenderContextImpl &context,
+ NVRenderBufferUsageType::Enum usageType,
+ NVRenderComponentTypes::Enum componentType, size_t size,
+ NVConstDataRef<QT3DSU8> bufferData);
+
+ private:
+ NVRenderComponentTypes::Enum m_ComponentType; ///< component type (QT3DSU8, QT3DSU16)
+ };
+}
+}
+
+#endif