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42 #include "waylandsurfacenode.h"
43 #include "waylandsurfaceitem.h"
45 #include <QtCore/QMutexLocker>
46 #include <QtQuick/QSGTexture>
47 #include <QtQuick/QSGSimpleTextureNode>
48 #include <QtQuick/QSGFlatColorMaterial>
50 WaylandSurfaceNode::WaylandSurfaceNode(WaylandSurfaceItem *item)
52 , m_textureUpdated(false)
53 , m_useTextureAlpha(false)
54 , m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
56 m_textureMaterial = WaylandSurfaceTextureMaterial::createMaterial();
57 m_opaqueTextureMaterial = WaylandSurfaceTextureOpaqueMaterial::createMaterial();
59 m_currentMaterial = m_opaqueTextureMaterial;
61 setGeometry(&m_geometry);
62 setMaterial(m_currentMaterial);
65 m_item->m_node = this;
66 setFlag(UsePreprocess,true);
70 WaylandSurfaceNode::~WaylandSurfaceNode()
72 QMutexLocker locker(WaylandSurfaceItem::mutex);
75 delete m_textureMaterial;
76 delete m_opaqueTextureMaterial;
79 void WaylandSurfaceNode::preprocess()
81 QMutexLocker locker(WaylandSurfaceItem::mutex);
83 if (m_item && m_item->surface()) {
84 //Update if the item is dirty and we haven't done an updateTexture for this frame
85 if (m_item->m_damaged && !m_textureUpdated) {
86 m_item->updateTexture();
90 //Reset value for next frame: we have not done updatePaintNode yet
91 m_textureUpdated = false;
94 void WaylandSurfaceNode::updateTexture()
96 Q_ASSERT(m_item && m_item->textureProvider());
98 //If m_item->useTextureAlpha has changed to true use m_texureMaterial
99 //otherwise use m_opaqueTextureMaterial.
100 if (m_item->useTextureAlpha() != m_useTextureAlpha) {
101 m_useTextureAlpha = m_item->useTextureAlpha();
102 if (m_useTextureAlpha) {
103 m_currentMaterial = m_textureMaterial;
105 m_currentMaterial = m_opaqueTextureMaterial;
107 setMaterial(m_currentMaterial);
110 QSGTexture *texture = m_item->textureProvider()->texture();
114 void WaylandSurfaceNode::setRect(const QRectF &rect)
121 QSize ts = texture()->textureSize();
122 QRectF sourceRect(0, 0, ts.width(), ts.height());
123 QSGGeometry::updateTexturedRectGeometry(&m_geometry, m_rect, texture()->convertToNormalizedSourceRect(sourceRect));
127 void WaylandSurfaceNode::setTexture(QSGTexture *texture)
129 if (m_currentMaterial->state()->texture() == texture)
131 m_currentMaterial->state()->setTexture(texture);
133 QSize ts = texture->textureSize();
134 QRectF sourceRect(0, 0, ts.width(), ts.height());
135 QSGGeometry::updateTexturedRectGeometry(&m_geometry, m_rect, texture->convertToNormalizedSourceRect(sourceRect));
136 markDirty(DirtyMaterial);
139 QSGTexture *WaylandSurfaceNode::texture() const
141 return m_currentMaterial->state()->texture();
144 void WaylandSurfaceNode::setItem(WaylandSurfaceItem *item)