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Diffstat (limited to 'src/runtimerender/resourcemanager/Qt3DSRenderPrefilterTexture.h')
-rw-r--r-- | src/runtimerender/resourcemanager/Qt3DSRenderPrefilterTexture.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/runtimerender/resourcemanager/Qt3DSRenderPrefilterTexture.h b/src/runtimerender/resourcemanager/Qt3DSRenderPrefilterTexture.h new file mode 100644 index 0000000..e633eb1 --- /dev/null +++ b/src/runtimerender/resourcemanager/Qt3DSRenderPrefilterTexture.h @@ -0,0 +1,129 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2016 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_PREFILTER_TEXTURE_H +#define QT3DS_RENDER_PREFILTER_TEXTURE_H +#include "foundation/Qt3DSAtomic.h" +#include "render/Qt3DSRenderTexture2D.h" +#include "Qt3DSRender.h" + +#include "Qt3DSTypes.h" +#include "Qt3DSRenderLoadedTexture.h" + +namespace qt3ds { +namespace render { + + class Qt3DSRenderPrefilterTexture : public NVRefCounted + { + public: + Qt3DSRenderPrefilterTexture(NVRenderContext *inNVRenderContext, QT3DSI32 inWidth, QT3DSI32 inHeight, + NVRenderTexture2D &inTexture, + NVRenderTextureFormats::Enum inDestFormat, + qt3ds::NVFoundationBase &inFnd); + virtual ~Qt3DSRenderPrefilterTexture(); + + virtual void Build(void *inTextureData, QT3DSI32 inTextureDataSize, + NVRenderTextureFormats::Enum inFormat) = 0; + + static Qt3DSRenderPrefilterTexture *Create(NVRenderContext *inNVRenderContext, QT3DSI32 inWidth, + QT3DSI32 inHeight, NVRenderTexture2D &inTexture, + NVRenderTextureFormats::Enum inDestFormat, + qt3ds::NVFoundationBase &inFnd); + + protected: + NVFoundationBase &m_Foundation; ///< Foundation class for allocations and other base things + volatile QT3DSI32 mRefCount; ///< reference count + + NVRenderTexture2D &m_Texture2D; + NVRenderTextureFormats::Enum m_InternalFormat; + NVRenderTextureFormats::Enum m_DestinationFormat; + + QT3DSI32 m_Width; + QT3DSI32 m_Height; + QT3DSI32 m_MaxMipMapLevel; + QT3DSI32 m_SizeOfFormat; + QT3DSI32 m_SizeOfInternalFormat; + QT3DSI32 m_InternalNoOfComponent; + QT3DSI32 m_NoOfComponent; + NVRenderContext *m_NVRenderContext; + }; + + class Qt3DSRenderPrefilterTextureCPU : public Qt3DSRenderPrefilterTexture + { + public: + Qt3DSRenderPrefilterTextureCPU(NVRenderContext *inNVRenderContext, QT3DSI32 inWidth, + QT3DSI32 inHeight, NVRenderTexture2D &inTexture, + NVRenderTextureFormats::Enum inDestFormat, + qt3ds::NVFoundationBase &inFnd); + + void Build(void *inTextureData, QT3DSI32 inTextureDataSize, + NVRenderTextureFormats::Enum inFormat) override; + + STextureData CreateBsdfMipLevel(STextureData &inCurMipLevel, STextureData &inPrevMipLevel, + QT3DSI32 width, QT3DSI32 height); + QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Foundation) + + int wrapMod(int a, int base); + void getWrappedCoords(int &sX, int &sY, int width, int height); + }; + + class Qt3DSRenderPrefilterTextureCompute : public Qt3DSRenderPrefilterTexture + { + public: + Qt3DSRenderPrefilterTextureCompute(NVRenderContext *inNVRenderContext, QT3DSI32 inWidth, + QT3DSI32 inHeight, NVRenderTexture2D &inTexture, + NVRenderTextureFormats::Enum inDestFormat, + qt3ds::NVFoundationBase &inFnd); + ~Qt3DSRenderPrefilterTextureCompute(); + + void Build(void *inTextureData, QT3DSI32 inTextureDataSize, + NVRenderTextureFormats::Enum inFormat) override; + + QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Foundation) + + private: + void CreateLevel0Tex(void *inTextureData, QT3DSI32 inTextureDataSize, + NVRenderTextureFormats::Enum inFormat); + + NVScopedRefCounted<NVRenderShaderProgram> m_BSDFProgram; + NVScopedRefCounted<NVRenderShaderProgram> m_UploadProgram_RGBA8; + NVScopedRefCounted<NVRenderShaderProgram> m_UploadProgram_RGB8; + NVScopedRefCounted<NVRenderTexture2D> m_Level0Tex; + bool m_TextureCreated; + + void createComputeProgram(NVRenderContext *context); + NVRenderShaderProgram * + getOrCreateUploadComputeProgram(NVRenderContext *context, + NVRenderTextureFormats::Enum inFormat); + }; +} +} + +#endif |