diff options
Diffstat (limited to 'src/quick/items/qquickshadereffectmesh.cpp')
| -rw-r--r-- | src/quick/items/qquickshadereffectmesh.cpp | 112 |
1 files changed, 74 insertions, 38 deletions
diff --git a/src/quick/items/qquickshadereffectmesh.cpp b/src/quick/items/qquickshadereffectmesh.cpp index 842befac37..f5cc19c877 100644 --- a/src/quick/items/qquickshadereffectmesh.cpp +++ b/src/quick/items/qquickshadereffectmesh.cpp @@ -42,10 +42,23 @@ #include "qquickshadereffect_p.h" #include "qquickscalegrid_p_p.h" #include "qquickborderimage_p_p.h" -#include <QtQuick/private/qsgdefaultimagenode_p.h> +#include <QtQuick/private/qsgbasicimagenode_p.h> QT_BEGIN_NAMESPACE +static const char qt_position_attribute_name[] = "qt_Vertex"; +static const char qt_texcoord_attribute_name[] = "qt_MultiTexCoord0"; + +const char *qtPositionAttributeName() +{ + return qt_position_attribute_name; +} + +const char *qtTexCoordAttributeName() +{ + return qt_texcoord_attribute_name; +} + QQuickShaderEffectMesh::QQuickShaderEffectMesh(QObject *parent) : QObject(parent) { @@ -70,54 +83,64 @@ QQuickGridMesh::QQuickGridMesh(QObject *parent) { } -QSGGeometry *QQuickGridMesh::updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &attributes, const QRectF &srcRect, const QRectF &dstRect) +bool QQuickGridMesh::validateAttributes(const QVector<QByteArray> &attributes, int *posIndex) { - int vmesh = m_resolution.height(); - int hmesh = m_resolution.width(); - int attrCount = attributes.count(); - + const int attrCount = attributes.count(); int positionIndex = attributes.indexOf(qtPositionAttributeName()); int texCoordIndex = attributes.indexOf(qtTexCoordAttributeName()); - if (!geometry) { - switch (attrCount) { - case 0: - m_log = QLatin1String("Error: No attributes specified."); - return 0; - case 1: - if (positionIndex != 0) { + switch (attrCount) { + case 0: + m_log = QLatin1String("Error: No attributes specified."); + return false; + case 1: + if (positionIndex != 0) { + m_log = QLatin1String("Error: Missing \'"); + m_log += QLatin1String(qtPositionAttributeName()); + m_log += QLatin1String("\' attribute.\n"); + return false; + } + break; + case 2: + if (positionIndex == -1 || texCoordIndex == -1) { + m_log.clear(); + if (positionIndex == -1) { m_log = QLatin1String("Error: Missing \'"); m_log += QLatin1String(qtPositionAttributeName()); m_log += QLatin1String("\' attribute.\n"); - return 0; } - break; - case 2: - if (positionIndex == -1 || texCoordIndex == -1) { - m_log.clear(); - if (positionIndex == -1) { - m_log = QLatin1String("Error: Missing \'"); - m_log += QLatin1String(qtPositionAttributeName()); - m_log += QLatin1String("\' attribute.\n"); - } - if (texCoordIndex == -1) { - m_log += QLatin1String("Error: Missing \'"); - m_log += QLatin1String(qtTexCoordAttributeName()); - m_log += QLatin1String("\' attribute.\n"); - } - return 0; + if (texCoordIndex == -1) { + m_log += QLatin1String("Error: Missing \'"); + m_log += QLatin1String(qtTexCoordAttributeName()); + m_log += QLatin1String("\' attribute.\n"); } - break; - default: - m_log = QLatin1String("Error: Too many attributes specified."); - return 0; + return false; } + break; + default: + m_log = QLatin1String("Error: Too many attributes specified."); + return false; + } + + if (posIndex) + *posIndex = positionIndex; + + return true; +} + +QSGGeometry *QQuickGridMesh::updateGeometry(QSGGeometry *geometry, int attrCount, int posIndex, + const QRectF &srcRect, const QRectF &dstRect) +{ + int vmesh = m_resolution.height(); + int hmesh = m_resolution.width(); + if (!geometry) { + Q_ASSERT(attrCount == 1 || attrCount == 2); geometry = new QSGGeometry(attrCount == 1 ? QSGGeometry::defaultAttributes_Point2D() : QSGGeometry::defaultAttributes_TexturedPoint2D(), (vmesh + 1) * (hmesh + 1), vmesh * 2 * (hmesh + 2), - GL_UNSIGNED_SHORT); + QSGGeometry::TypeUnsignedShort); } else { geometry->allocate((vmesh + 1) * (hmesh + 1), vmesh * 2 * (hmesh + 2)); @@ -132,7 +155,7 @@ QSGGeometry *QQuickGridMesh::updateGeometry(QSGGeometry *geometry, const QVector for (int ix = 0; ix <= hmesh; ++ix) { float fx = ix / float(hmesh); for (int ia = 0; ia < attrCount; ++ia) { - if (ia == positionIndex) { + if (ia == posIndex) { vdata->x = float(dstRect.left()) + fx * float(dstRect.width()); vdata->y = y; ++vdata; @@ -285,14 +308,26 @@ QQuickBorderImageMesh::QQuickBorderImageMesh(QObject *parent) { } -QSGGeometry *QQuickBorderImageMesh::updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &/*attributes*/, const QRectF &srcRect, const QRectF &rect) +bool QQuickBorderImageMesh::validateAttributes(const QVector<QByteArray> &attributes, int *posIndex) { + Q_UNUSED(attributes); + Q_UNUSED(posIndex); + return true; +} + +QSGGeometry *QQuickBorderImageMesh::updateGeometry(QSGGeometry *geometry, int attrCount, int posIndex, + const QRectF &srcRect, const QRectF &rect) +{ + Q_UNUSED(attrCount); + Q_UNUSED(posIndex); + QRectF innerSourceRect; QRectF targetRect; QRectF innerTargetRect; QRectF subSourceRect; - QQuickBorderImagePrivate::calculateRects(m_border, m_size, rect.size(), m_horizontalTileMode, m_verticalTileMode, 1, &targetRect, &innerTargetRect, &innerSourceRect, &subSourceRect); + QQuickBorderImagePrivate::calculateRects(m_border, m_size, rect.size(), m_horizontalTileMode, m_verticalTileMode, + 1, &targetRect, &innerTargetRect, &innerSourceRect, &subSourceRect); QRectF sourceRect = srcRect; QRectF modifiedInnerSourceRect(sourceRect.x() + innerSourceRect.x() * sourceRect.width(), @@ -300,7 +335,8 @@ QSGGeometry *QQuickBorderImageMesh::updateGeometry(QSGGeometry *geometry, const innerSourceRect.width() * sourceRect.width(), innerSourceRect.height() * sourceRect.height()); - geometry = QSGDefaultImageNode::updateGeometry(targetRect, innerTargetRect, sourceRect, modifiedInnerSourceRect, subSourceRect, geometry); + geometry = QSGBasicImageNode::updateGeometry(targetRect, innerTargetRect, sourceRect, + modifiedInnerSourceRect, subSourceRect, geometry); return geometry; } |