| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSSGLIGHTMAPPER_P_H |
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| 5 | #define QSSGLIGHTMAPPER_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtQuick3DRuntimeRender/private/qtquick3druntimerenderglobal_p.h> |
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| 19 | |
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| 20 | #include <QString> |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | struct QSSGLightmapperPrivate; |
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| 25 | struct QSSGBakedLightingModel; |
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| 26 | class QSSGRhiContext; |
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| 27 | class QSSGRenderer; |
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| 28 | struct QSSGRenderModel; |
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| 29 | |
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| 30 | struct QSSGLightmapperOptions |
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| 31 | { |
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| 32 | float opacityThreshold = 0.5f; |
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| 33 | float bias = 0.005f; |
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| 34 | bool useAdaptiveBias = true; |
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| 35 | bool indirectLightEnabled = true; |
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| 36 | int indirectLightSamples = 256; |
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| 37 | int indirectLightWorkgroupSize = 32; |
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| 38 | int indirectLightBounces = 3; |
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| 39 | float indirectLightFactor = 1.0f; |
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| 40 | }; |
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| 41 | |
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| 42 | class QSSGLightmapper |
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| 43 | { |
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| 44 | public: |
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| 45 | enum class BakingStatus { |
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| 46 | None, |
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| 47 | Progress, |
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| 48 | Warning, |
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| 49 | Error, |
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| 50 | Cancelled, |
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| 51 | Complete |
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| 52 | }; |
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| 53 | |
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| 54 | struct BakingControl { |
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| 55 | bool cancelled = false; |
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| 56 | }; |
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| 57 | |
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| 58 | typedef std::function<void(BakingStatus, std::optional<QString>, BakingControl*)> Callback; |
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| 59 | |
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| 60 | QSSGLightmapper(QSSGRhiContext *rhiCtx, QSSGRenderer *renderer); |
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| 61 | ~QSSGLightmapper(); |
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| 62 | void reset(); |
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| 63 | void setOptions(const QSSGLightmapperOptions &options); |
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| 64 | void setOutputCallback(Callback callback); |
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| 65 | qsizetype add(const QSSGBakedLightingModel &model); |
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| 66 | bool bake(); |
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| 67 | |
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| 68 | enum class LightmapAsset { |
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| 69 | LightmapImage, |
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| 70 | MeshWithLightmapUV, |
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| 71 | LightmapImageList |
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| 72 | }; |
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| 73 | static QString lightmapAssetPathForLoad(const QSSGRenderModel &model, LightmapAsset asset); |
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| 74 | static QString lightmapAssetPathForSave(const QSSGRenderModel &model, LightmapAsset asset, const QString& outputFolder = {}); |
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| 75 | static QString lightmapAssetPathForSave(LightmapAsset asset, const QString& outputFolder = {}); |
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| 76 | |
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| 77 | private: |
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| 78 | #ifdef QT_QUICK3D_HAS_LIGHTMAPPER |
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| 79 | QSSGLightmapperPrivate *d = nullptr; |
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| 80 | #endif |
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| 81 | }; |
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| 82 | |
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| 83 | QT_END_NAMESPACE |
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| 84 | |
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| 85 | #endif |
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| 86 | |
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