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| |
| #ifndef QSSG_RENDER_VERTEX_BUFFER_H |
| #define QSSG_RENDER_VERTEX_BUFFER_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DRender/private/qssgrenderdatabuffer_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| // forward declaration |
| class QSSGRenderContext; |
| |
| ///< Vertex buffer representation |
| class Q_QUICK3DRENDER_EXPORT QSSGRenderVertexBuffer : public QSSGRenderDataBuffer |
| { |
| 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. |
| */ |
| QSSGRenderVertexBuffer(const QSSGRef<QSSGRenderContext> &context, |
| QSSGRenderBufferUsageType usageType, |
| quint32 stride, |
| QSSGByteView data); |
| |
| ///< destructor |
| virtual ~QSSGRenderVertexBuffer() override; |
| |
| /** |
| * @brief return vertex data stride |
| * |
| * @return data stride. |
| */ |
| quint32 stride() const { return m_stride; } |
| |
| /** |
| * @brief get vertex count |
| * |
| * @return vertex count |
| */ |
| quint32 numVertexes() const |
| { |
| Q_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; |
| |
| private: |
| quint32 m_stride; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |