rhi: Make non-critical pipeline cache warnings qCDebug instead

It's not just that these are not fatal, but some "errors" are
not actual errors, e.g. getting "Nothing to serialize" from Metal
is not something we care about.

Convert them from qWarning to qCDebug with our standard category,
so they still all show up when running with QSG_INFO=1, but won't
pollute the output for regular users. Even if a cache file cannot
be used or written, that's not something typical users care about.

Pick-to: 6.5
Fixes: QTBUG-110485
Change-Id: I63d815f7b95c4d6a4428497b7247811e860ebf04
Reviewed-by: Christian Strømme <christian.stromme@qt.io>

1 files changed, 7 insertions, 7 deletions

diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp
index 7bb7e1fe4a..a9bb8473a2 100644
--- a/src/gui/rhi/qrhigles2.cpp
+++ b/src/gui/rhi/qrhigles2.cpp
@@ -1484,7 +1484,7 @@ void QRhiGles2::setPipelineCacheData(const QByteArray &data)
 
     const size_t headerSize = sizeof(QGles2PipelineCacheDataHeader);
     if (data.size() < qsizetype(headerSize)) {
-        qWarning("setPipelineCacheData: Invalid blob size (header incomplete)");
+        qCDebug(QRHI_LOG_INFO, "setPipelineCacheData: Invalid blob size (header incomplete)");
         return;
     }
     const size_t dataOffset = headerSize;
@@ -1493,14 +1493,14 @@ void QRhiGles2::setPipelineCacheData(const QByteArray &data)
 
     const quint32 rhiId = pipelineCacheRhiId();
     if (header.rhiId != rhiId) {
-        qWarning("setPipelineCacheData: The data is for a different QRhi version or backend (%u, %u)",
-                 rhiId, header.rhiId);
+        qCDebug(QRHI_LOG_INFO, "setPipelineCacheData: The data is for a different QRhi version or backend (%u, %u)",
+                rhiId, header.rhiId);
         return;
     }
     const quint32 arch = quint32(sizeof(void*));
     if (header.arch != arch) {
-        qWarning("setPipelineCacheData: Architecture does not match (%u, %u)",
-                 arch, header.arch);
+        qCDebug(QRHI_LOG_INFO, "setPipelineCacheData: Architecture does not match (%u, %u)",
+                arch, header.arch);
         return;
     }
     if (header.programBinaryCount == 0)
@@ -1508,12 +1508,12 @@ void QRhiGles2::setPipelineCacheData(const QByteArray &data)
 
     const size_t driverStrLen = qMin(sizeof(header.driver) - 1, size_t(driverInfoStruct.deviceName.size()));
     if (strncmp(header.driver, driverInfoStruct.deviceName.constData(), driverStrLen)) {
-        qWarning("setPipelineCacheData: OpenGL vendor/renderer/version does not match");
+        qCDebug(QRHI_LOG_INFO, "setPipelineCacheData: OpenGL vendor/renderer/version does not match");
         return;
     }
 
     if (data.size() < qsizetype(dataOffset + header.dataSize)) {
-        qWarning("setPipelineCacheData: Invalid blob size (data incomplete)");
+        qCDebug(QRHI_LOG_INFO, "setPipelineCacheData: Invalid blob size (data incomplete)");
         return;
     }