diff options
Diffstat (limited to 'src/quick/scenegraph/util/qsgatlastexture.cpp')
-rw-r--r-- | src/quick/scenegraph/util/qsgatlastexture.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/quick/scenegraph/util/qsgatlastexture.cpp b/src/quick/scenegraph/util/qsgatlastexture.cpp index 06c4129a33..098a4a666b 100644 --- a/src/quick/scenegraph/util/qsgatlastexture.cpp +++ b/src/quick/scenegraph/util/qsgatlastexture.cpp @@ -128,6 +128,7 @@ Atlas::Atlas(const QSize &size) : m_allocator(size) , m_texture_id(0) , m_size(size) + , m_atlas_transient_image_threshold(0) , m_allocated(false) { @@ -177,6 +178,11 @@ Atlas::Atlas(const QSize &size) m_use_bgra_fallback = qEnvironmentVariableIsSet("QSG_ATLAS_USE_BGRA_FALLBACK"); m_debug_overlay = qEnvironmentVariableIsSet("QSG_ATLAS_OVERLAY"); + + // images smaller than this will retain their QImage. + // by default no images are retained (favoring memory) + // set to a very large value to retain all images (allowing quick removal from the atlas) + m_atlas_transient_image_threshold = qt_sg_envInt("QSG_ATLAS_TRANSIENT_IMAGE_THRESHOLD", 0); } Atlas::~Atlas() @@ -399,7 +405,10 @@ void Atlas::bind(QSGTexture::Filtering filtering) } else { upload(t); } - t->releaseImage(); + const QSize textureSize = t->textureSize(); + if (textureSize.width() > m_atlas_transient_image_threshold || + textureSize.height() > m_atlas_transient_image_threshold) + t->releaseImage(); qCDebug(QSG_LOG_TIME_TEXTURE).nospace() << "atlastexture uploaded in: " << qsg_renderer_timer.elapsed() << "ms (" << t->textureSize().width() << "x" |