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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef STUDIO_GRADIENT_WIDGET_H
#define STUDIO_GRADIENT_WIDGET_H
#include "Qt3DSCommonPrecompile.h"
#include "StudioWidgetImpl.h"
#include "foundation/Qt3DSAtomic.h"
#include "render/Qt3DSRenderContext.h"
#include "render/Qt3DSRenderVertexBuffer.h"
#include "Qt3DSRenderNode.h"
#include "foundation/Qt3DSContainers.h"
#include "Qt3DSRenderShaderCodeGenerator.h"
#include "render/Qt3DSRenderShaderProgram.h"
#include "StudioUtils.h"
namespace qt3ds {
namespace widgets {
class SGradientWidget
{
NVAllocatorCallback &m_allocator;
NVRenderInputAssembler *m_sphere;
NVRenderShaderProgram *m_shader;
SNode *m_node;
volatile QT3DSI32 mRefCount;
public:
SGradientWidget(NVAllocatorCallback &inAlloc)
: m_allocator(inAlloc)
, m_sphere(nullptr)
, m_shader(nullptr)
, mRefCount(0)
{
}
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_allocator)
NVConstDataRef<qt3ds::render::NVRenderVertexBufferEntry>
GetVertexBufferAttributesAndStride(QT3DSU32 &stride);
NVRenderInputAssembler *CreateSphere(IRenderWidgetContext &inWidgetContext,
NVRenderContext &inRenderContext,
QT3DSF32 radius);
NVRenderShaderProgram *CreateGradientShader(IRenderWidgetContext &inWidgetContext,
NVRenderContext &inRenderContext);
void Render(IRenderWidgetContext &inWidgetContext, NVRenderContext &inRenderContext,
bool fullScreenQuad);
void SetNode(SNode &inNode)
{
m_node = &inNode;
}
static SGradientWidget &CreateGradientWidget(NVAllocatorCallback &inAlloc);
};
}
}
#endif // STUDIO_GRADIENT_WIDGET_H
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