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Diffstat (limited to 'src/render/Qt3DSRenderDepthStencilState.h')
| -rw-r--r-- | src/render/Qt3DSRenderDepthStencilState.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderDepthStencilState.h b/src/render/Qt3DSRenderDepthStencilState.h new file mode 100644 index 0000000..e6b3198 --- /dev/null +++ b/src/render/Qt3DSRenderDepthStencilState.h @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** 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_DEPTH_STENCIL_STATE_H +#define QT3DS_RENDER_DEPTH_STENCIL_STATE_H +#include "render/Qt3DSRenderBaseTypes.h" +#include "foundation/Qt3DSRefCounted.h" +#include "foundation/Qt3DSOption.h" +#include "foundation/Qt3DSAtomic.h" +#include "render/backends/Qt3DSRenderBackend.h" + +namespace qt3ds { +namespace render { + + class NVRenderContextImpl; + + // currently this handles only stencil state + class NVRenderDepthStencilState : public NVRefCounted + { + + private: + NVRenderContextImpl &m_Context; ///< pointer to context + NVFoundationBase &m_Foundation; ///< pointer to foundation + volatile QT3DSI32 mRefCount; ///< Using foundations' naming convention to ease implementation + NVRenderBackend *m_Backend; ///< pointer to backend + NVRenderBackend::NVRenderBackendDepthStencilStateObject + m_StateHandle; ///< opaque backend handle + + public: + /** + * @brief constructor + * + * @param[in] context Pointer to context + * @param[in] fnd Pointer to foundation + * @param[in] enableDepth enable depth test + * @param[in] depthMask enable depth writes + * @param[in] depthFunc depth compare function + * @param[in] enableStencil enable stencil test + * @param[in] stencilFuncFront stencil setup front faces + * @param[in] stencilFuncBack stencil setup back faces + * @param[in] depthStencilOpFront depth/stencil operations front faces + * @param[in] depthStencilOpBack depth/stencil operations back faces + * + * @return No return. + */ + NVRenderDepthStencilState(NVRenderContextImpl &context, NVFoundationBase &fnd, + bool enableDepth, bool depthMask, NVRenderBoolOp::Enum depthFunc, + bool enableStencil, + NVRenderStencilFunctionArgument &stencilFuncFront, + NVRenderStencilFunctionArgument &stencilFuncBack, + NVRenderStencilOperationArgument &depthStencilOpFront, + NVRenderStencilOperationArgument &depthStencilOpBack); + + virtual ~NVRenderDepthStencilState(); + + // define refcount functions + QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation) + + ///< various get functions + const NVRenderStencilFunctionArgument GetStencilFunc(NVRenderFaces::Enum face) const + { + return (face == NVRenderFaces::Back) ? m_StencilFuncBack : m_StencilFuncFront; + } + const NVRenderStencilOperationArgument GetStencilOp(NVRenderFaces::Enum face) const + { + return (face == NVRenderFaces::Back) ? m_DepthStencilOpBack : m_DepthStencilOpFront; + } + NVRenderBoolOp::Enum GetDepthFunc() const { return m_DepthFunc; } + bool GetDepthEnabled() const { return m_DepthEnabled; } + bool GetStencilEnabled() const { return m_StencilEnabled; } + bool GetDepthMask() const { return m_DepthMask; } + + /** + * @brief get the backend object handle + * + * @return the backend object handle. + */ + virtual NVRenderBackend::NVRenderBackendDepthStencilStateObject + GetDepthStencilObjectHandle() + { + return m_StateHandle; + } + + static NVRenderDepthStencilState * + Create(NVRenderContextImpl &context, bool enableDepth, bool depthMask, + NVRenderBoolOp::Enum depthFunc, bool enableStencil, + NVRenderStencilFunctionArgument &stencilFuncFront, + NVRenderStencilFunctionArgument &stencilFuncBack, + NVRenderStencilOperationArgument &depthStencilOpFront, + NVRenderStencilOperationArgument &depthStencilOpBack); + + private: + bool m_DepthEnabled; ///< depth test enabled + bool m_DepthMask; ///< depth writes enabled + NVRenderBoolOp::Enum m_DepthFunc; ///< depth comparison func + bool m_StencilEnabled; ///< stencil test enabled + NVRenderStencilFunctionArgument m_StencilFuncFront; ///< stencil setup front faces + NVRenderStencilFunctionArgument m_StencilFuncBack; ///< stencil setup back faces + NVRenderStencilOperationArgument + m_DepthStencilOpFront; ///< depth stencil operation front faces + NVRenderStencilOperationArgument + m_DepthStencilOpBack; ///< depth stencil operation back faces + }; +} +} + +#endif |