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/****************************************************************************
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CUDABSDfMIPMAP_H
#define CUDABSDFMIPMAP_H
#include "foundation/Qt3DSVec3.h"
#include "foundation/Qt3DSSimpleTypes.h"
#include "foundation/Qt3DSPerfTimer.h"
#include "foundation/Qt3DSAtomic.h"
#include "render/Qt3DSRenderBaseTypes.h"
#include "render/backends/Qt3DSRenderBackend.h"
#include "MipmapBSDF.h"
#include "Qt3DSRenderLoadedTexture.h"
#include "Qt3DSTypes.h"
struct cudaGraphicsResource;
#ifdef _LINUXPLATFORM
#define __declspec(dllexport)
#define __cdecl
#endif
using namespace qt3ds::render;
class CUDABSDFMipMap : public BSDFMipMap
{
public:
CUDABSDFMipMap(NVRenderContext *inNVRenderContext, int inWidth, int inHeight,
NVRenderTexture2D &inTexture, NVRenderTextureFormats::Enum inDestFormat,
qt3ds::NVFoundationBase &inFnd);
~CUDABSDFMipMap();
void Build(void *inTextureData, int inTextureDataSize,
NVRenderBackend::NVRenderBackendTextureObject inTextureHandle,
NVRenderTextureFormats::Enum inFormat);
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation);
private:
void CreateBsdfMipMaps(qt3ds::render::SLoadedTexture &inLoadedImage, void **result, int width,
int height); //, qt3ds::foundation::IPerfTimer& inPerfTimer);
void BindTexture();
void TransferTexture();
cudaGraphicsResource *m_CudaMipMapResource;
void **md_MipMapsData;
size_t *m_Pitches;
NVRenderBackend::NVRenderBackendTextureObject m_TextureHandle;
bool m_TextureBinded;
};
#endif
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