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| |
| #ifndef QSGCOMPRESSEDATLASTEXTURE_P_H |
| #define QSGCOMPRESSEDATLASTEXTURE_P_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 <QtCore/QSize> |
| |
| #include <QtGui/qopengl.h> |
| |
| #include <QtQuick/QSGTexture> |
| #include <QtQuick/private/qsgareaallocator_p.h> |
| #include <QtQuick/private/qsgopenglatlastexture_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSGCompressedTextureFactory; |
| |
| namespace QSGCompressedAtlasTexture { |
| |
| class Texture; |
| |
| class Atlas : public QSGOpenGLAtlasTexture::AtlasBase |
| { |
| public: |
| Atlas(const QSize &size, uint format); |
| ~Atlas(); |
| |
| void generateTexture() override; |
| void uploadPendingTexture(int i) override; |
| |
| Texture *create(const QByteArray &data, int dataLength, int dataOffset, const QSize &size, const QSize &paddedSize); |
| |
| uint format() const { return m_format; } |
| |
| private: |
| uint m_format; |
| }; |
| |
| class Texture : public QSGOpenGLAtlasTexture::TextureBase |
| { |
| Q_OBJECT |
| public: |
| Texture(Atlas *atlas, const QRect &textureRect, const QByteArray &data, int dataLength, int dataOffset, const QSize &size); |
| ~Texture(); |
| |
| QSize textureSize() const override { return m_size; } |
| bool hasAlphaChannel() const override; |
| bool hasMipmaps() const override { return false; } |
| |
| QRectF normalizedTextureSubRect() const override { return m_texture_coords_rect; } |
| |
| QSGTexture *removedFromAtlas() const override; |
| |
| const QByteArray &data() const { return m_data; } |
| int sizeInBytes() const { return m_dataLength; } |
| int dataOffset() const { return m_dataOffset; } |
| |
| private: |
| QRectF m_texture_coords_rect; |
| mutable QSGTexture *m_nonatlas_texture; |
| QByteArray m_data; |
| QSize m_size; |
| int m_dataLength; |
| int m_dataOffset; |
| }; |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |