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| |
| #include "qsgvideonode_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| QSGVideoNode::QSGVideoNode() |
| : m_orientation(-1) |
| { |
| setFlag(QSGNode::OwnsGeometry); |
| } |
| |
| /* Helpers */ |
| static inline void qSetGeom(QSGGeometry::TexturedPoint2D *v, const QPointF &p) |
| { |
| v->x = p.x(); |
| v->y = p.y(); |
| } |
| |
| static inline void qSetTex(QSGGeometry::TexturedPoint2D *v, const QPointF &p) |
| { |
| v->tx = p.x(); |
| v->ty = p.y(); |
| } |
| |
| /* Update the vertices and texture coordinates. Orientation must be in {0,90,180,270} */ |
| void QSGVideoNode::setTexturedRectGeometry(const QRectF &rect, const QRectF &textureRect, int orientation) |
| { |
| if (rect == m_rect && textureRect == m_textureRect && orientation == m_orientation) |
| return; |
| |
| m_rect = rect; |
| m_textureRect = textureRect; |
| m_orientation = orientation; |
| |
| QSGGeometry *g = geometry(); |
| |
| if (g == 0) |
| g = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4); |
| |
| QSGGeometry::TexturedPoint2D *v = g->vertexDataAsTexturedPoint2D(); |
| |
| // Set geometry first |
| qSetGeom(v + 0, rect.topLeft()); |
| qSetGeom(v + 1, rect.bottomLeft()); |
| qSetGeom(v + 2, rect.topRight()); |
| qSetGeom(v + 3, rect.bottomRight()); |
| |
| // and then texture coordinates |
| switch (orientation) { |
| default: |
| // tl, bl, tr, br |
| qSetTex(v + 0, textureRect.topLeft()); |
| qSetTex(v + 1, textureRect.bottomLeft()); |
| qSetTex(v + 2, textureRect.topRight()); |
| qSetTex(v + 3, textureRect.bottomRight()); |
| break; |
| |
| case 90: |
| // tr, tl, br, bl |
| qSetTex(v + 0, textureRect.topRight()); |
| qSetTex(v + 1, textureRect.topLeft()); |
| qSetTex(v + 2, textureRect.bottomRight()); |
| qSetTex(v + 3, textureRect.bottomLeft()); |
| break; |
| |
| case 180: |
| // br, tr, bl, tl |
| qSetTex(v + 0, textureRect.bottomRight()); |
| qSetTex(v + 1, textureRect.topRight()); |
| qSetTex(v + 2, textureRect.bottomLeft()); |
| qSetTex(v + 3, textureRect.topLeft()); |
| break; |
| |
| case 270: |
| // bl, br, tl, tr |
| qSetTex(v + 0, textureRect.bottomLeft()); |
| qSetTex(v + 1, textureRect.bottomRight()); |
| qSetTex(v + 2, textureRect.topLeft()); |
| qSetTex(v + 3, textureRect.topRight()); |
| break; |
| } |
| |
| if (!geometry()) |
| setGeometry(g); |
| |
| markDirty(DirtyGeometry); |
| } |
| |
| QSGVideoNodeFactoryInterface::~QSGVideoNodeFactoryInterface() |
| { |
| } |
| |
| QT_END_NAMESPACE |