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30
31 #include <QtQuick3DRuntimeRender/private/qssgrenderimage_p.h>
32 #include <QtQuick3DRuntimeRender/private/qssgrenderbuffermanager_p.h>
33 #include <QtQuick3DRuntimeRender/private/qssgrenderprefiltertexture_p.h>
34 #include <QtQuick/QSGTexture>
35
36 QT_BEGIN_NAMESPACE
37
QSSGRenderImage()38 QSSGRenderImage::QSSGRenderImage()
39 : QSSGRenderGraphObject(QSSGRenderGraphObject::Type::Image)
40 {
41 m_flags.setFlag(Flag::Active);
42 m_flags.setFlag(Flag::Dirty);
43 m_flags.setFlag(Flag::TransformDirty);
44 }
45
46 QSSGRenderImage::~QSSGRenderImage() = default;
47
48
clearDirty(const QSSGRef<QSSGBufferManager> & inBufferManager,bool forIbl)49 bool QSSGRenderImage::clearDirty(const QSSGRef<QSSGBufferManager> &inBufferManager, bool forIbl)
50 {
51 bool wasDirty = m_flags.testFlag(Flag::Dirty);
52 m_flags.setFlag(Flag::Dirty, false);
53
54 if (wasDirty) {
55 QSSGRenderImageTextureData newImage;
56 if (m_qsgTexture)
57 newImage = inBufferManager->loadRenderImage(m_qsgTexture);
58 else
59 newImage = inBufferManager->loadRenderImage(m_imagePath, m_format, false, forIbl);
60
61 if (newImage.m_texture != m_textureData.m_texture)
62 m_textureData = newImage;
63 }
64
65 if (m_flags.testFlag(Flag::TransformDirty)) {
66 calculateTextureTransform();
67 return true;
68 }
69 return wasDirty;
70 }
71
calculateTextureTransform()72 void QSSGRenderImage::calculateTextureTransform()
73 {
74 m_flags.setFlag(Flag::TransformDirty, false);
75
76 if (m_flipV) {
77 m_textureTransform = QMatrix4x4(1.f, 0.f, 0.f, 0.f,
78 0.f, -1.f, 0.f, 1.f,
79 0.f, 0.f, 1.f, 0.f,
80 0.f, 0.f, 0.f, 1.f);
81 } else {
82 m_textureTransform = QMatrix4x4();
83 }
84
85 QMatrix4x4 pivot;
86 QMatrix4x4 pivot_r;
87 QMatrix4x4 translation;
88 QMatrix4x4 rotation;
89 QMatrix4x4 scale;
90
91 pivot.translate(m_pivot.x(), m_pivot.y());
92 pivot_r.translate(-m_pivot.x(), -m_pivot.y());
93 translation.translate(m_position.x(), m_position.y());
94 scale.scale(m_scale.x(), m_scale.y());
95 rotation.rotate(m_rotation, QVector3D(0, 0, 1));
96
97 m_textureTransform *= translation;
98 m_textureTransform *= pivot;
99 m_textureTransform *= rotation;
100 m_textureTransform *= scale;
101 m_textureTransform *= pivot_r;
102 }
103
isImageTransformIdentity() const104 bool QSSGRenderImage::isImageTransformIdentity() const
105 {
106 if (m_mappingMode != MappingModes::Normal)
107 return false;
108 return m_textureTransform.isIdentity();
109 }
110
111 QSSGRenderImageTextureData::QSSGRenderImageTextureData() = default;
112 QSSGRenderImageTextureData::~QSSGRenderImageTextureData() = default;
113
114 QT_END_NAMESPACE
115