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| |
| #ifndef QSSG_RENDER_PREFILTER_TEXTURE_H |
| #define QSSG_RENDER_PREFILTER_TEXTURE_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DRender/private/qssgrendertexture2d_p.h> |
| #include <QtQuick3DRender/private/qssgrendercontext_p.h> |
| #include <QtQuick3DRuntimeRender/private/qssgrenderloadedtexture_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSSGRenderPrefilterTexture |
| { |
| public: |
| QAtomicInt ref; |
| QSSGRenderPrefilterTexture(const QSSGRef<QSSGRenderContext> &inQSSGRenderContext, |
| qint32 inWidth, |
| qint32 inHeight, |
| const QSSGRef<QSSGRenderTexture2D> &inTexture, |
| QSSGRenderTextureFormat inDestFormat); |
| virtual ~QSSGRenderPrefilterTexture(); |
| |
| virtual void build(void *inTextureData, qint32 inTextureDataSize, QSSGRenderTextureFormat inFormat) = 0; |
| |
| static QSSGRef<QSSGRenderPrefilterTexture> create(const QSSGRef<QSSGRenderContext> &inQSSGRenderContext, |
| qint32 inWidth, |
| qint32 inHeight, |
| const QSSGRef<QSSGRenderTexture2D> &inTexture, |
| QSSGRenderTextureFormat inDestFormat); |
| |
| protected: |
| QSSGRef<QSSGRenderTexture2D> m_texture2D; |
| QSSGRenderTextureFormat m_destinationFormat; |
| |
| qint32 m_width; |
| qint32 m_height; |
| qint32 m_maxMipMapLevel; |
| qint32 m_sizeOfFormat; |
| qint32 m_sizeOfInternalFormat; |
| qint32 m_internalNoOfComponent; |
| qint32 m_noOfComponent; |
| QSSGRef<QSSGRenderContext> m_renderContext; |
| }; |
| |
| class QSSGRenderPrefilterTextureCPU : public QSSGRenderPrefilterTexture |
| { |
| public: |
| QSSGRenderPrefilterTextureCPU(const QSSGRef<QSSGRenderContext> &inQSSGRenderContext, |
| qint32 inWidth, |
| qint32 inHeight, |
| const QSSGRef<QSSGRenderTexture2D> &inTexture, |
| QSSGRenderTextureFormat inDestFormat); |
| |
| void build(void *inTextureData, qint32 inTextureDataSize, QSSGRenderTextureFormat inFormat) override; |
| |
| QSSGTextureData createBsdfMipLevel(QSSGTextureData &inCurMipLevel, QSSGTextureData &inPrevMipLevel, qint32 width, qint32 height); |
| |
| int wrapMod(int a, int base); |
| void getWrappedCoords(int &sX, int &sY, int width, int height); |
| }; |
| |
| class QSSGRenderPrefilterTextureCompute : public QSSGRenderPrefilterTexture |
| { |
| public: |
| QSSGRenderPrefilterTextureCompute(const QSSGRef<QSSGRenderContext> &inQSSGRenderContext, |
| qint32 inWidth, |
| qint32 inHeight, |
| const QSSGRef<QSSGRenderTexture2D> &inTexture, |
| QSSGRenderTextureFormat inDestFormat); |
| ~QSSGRenderPrefilterTextureCompute() override; |
| |
| void build(void *inTextureData, qint32 inTextureDataSize, QSSGRenderTextureFormat inFormat) override; |
| |
| private: |
| void createLevel0Tex(void *inTextureData, qint32 inTextureDataSize, QSSGRenderTextureFormat inFormat); |
| |
| QSSGRef<QSSGRenderShaderProgram> m_bsdfProgram; |
| QSSGRef<QSSGRenderShaderProgram> m_bsdfRGBEProgram; |
| QSSGRef<QSSGRenderShaderProgram> m_uploadProgram_RGBA8; |
| QSSGRef<QSSGRenderShaderProgram> m_uploadProgram_RGB8; |
| QSSGRef<QSSGRenderTexture2D> m_level0Tex; |
| bool m_textureCreated = false; |
| |
| QSSGRenderShaderProgram *createComputeProgram(const QSSGRef<QSSGRenderContext> &context, |
| QSSGRenderTextureFormat inFormat); |
| QSSGRef<QSSGRenderShaderProgram> getOrCreateUploadComputeProgram(const QSSGRef<QSSGRenderContext> &context, |
| QSSGRenderTextureFormat inFormat); |
| }; |
| QT_END_NAMESPACE |
| |
| #endif |