diff options
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qplatformbackingstore.cpp | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp index cda2446a5e..4b725fc79f 100644 --- a/src/gui/painting/qplatformbackingstore.cpp +++ b/src/gui/painting/qplatformbackingstore.cpp @@ -371,17 +371,13 @@ void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion ®i if (textureId) { if (d_ptr->needsSwizzle) d_ptr->blitter->setSwizzleRB(true); - // offset is usually (0, 0) unless we have native child widgets. - if (offset.isNull()) { - d_ptr->blitter->blit(textureId, QMatrix4x4(), origin); - } else { - // The backingstore is for the entire tlw. offset tells the position of the native child in the tlw. - const QRect srcRect = toBottomLeftRect(deviceWindowRect.translated(offset), d_ptr->textureSize.height()); - const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(deviceRect(srcRect, window), - d_ptr->textureSize, - origin); - d_ptr->blitter->blit(textureId, QMatrix4x4(), source); - } + // The backingstore is for the entire tlw. + // In case of native children offset tells the position relative to the tlw. + const QRect srcRect = toBottomLeftRect(deviceWindowRect.translated(offset), d_ptr->textureSize.height()); + const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(deviceRect(srcRect, window), + d_ptr->textureSize, + origin); + d_ptr->blitter->blit(textureId, QMatrix4x4(), source); if (d_ptr->needsSwizzle) d_ptr->blitter->setSwizzleRB(false); } |