diff --git a/src/gui/rhi/qrhid3d11.cpp b/src/gui/rhi/qrhid3d11.cpp
index 8336d43ff6..05ee415502 100644
--- a/src/gui/rhi/qrhid3d11.cpp
+++ b/src/gui/rhi/qrhid3d11.cpp
@@ -1707,7 +1707,8 @@ void QRhiD3D11::endPass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resource
             if (srcTexD) {
                 cmd.args.resolveSubRes.src = srcTexD->tex;
                 if (srcTexD->dxgiFormat != dstTexD->dxgiFormat) {
-                    qWarning("Resolve source and destination formats do not match");
+                    qWarning("Resolve source (%d) and destination (%d) formats do not match",
+                             int(srcTexD->dxgiFormat), int(dstTexD->dxgiFormat));
                     continue;
                 }
                 if (srcTexD->sampleDesc.Count <= 1) {
@@ -1721,7 +1722,8 @@ void QRhiD3D11::endPass(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resource
             } else {
                 cmd.args.resolveSubRes.src = srcRbD->tex;
                 if (srcRbD->dxgiFormat != dstTexD->dxgiFormat) {
-                    qWarning("Resolve source and destination formats do not match");
+                    qWarning("Resolve source (%d) and destination (%d) formats do not match",
+                             int(srcRbD->dxgiFormat), int(dstTexD->dxgiFormat));
                     continue;
                 }
                 if (srcRbD->m_pixelSize != dstTexD->m_pixelSize) {
diff --git a/src/gui/rhi/qrhivulkan.cpp b/src/gui/rhi/qrhivulkan.cpp
index 16de7e0aea..b46b0b819c 100644
--- a/src/gui/rhi/qrhivulkan.cpp
+++ b/src/gui/rhi/qrhivulkan.cpp
@@ -1219,12 +1219,24 @@ bool QRhiVulkan::createOffscreenRenderPass(QVkRenderPassDescriptor *rpD,
     for (auto it = firstColorAttachment; it != lastColorAttachment; ++it) {
         if (it->resolveTexture()) {
             QVkTexture *rtexD = QRHI_RES(QVkTexture, it->resolveTexture());
+            const VkFormat dstFormat = rtexD->vkformat;
             if (rtexD->samples > VK_SAMPLE_COUNT_1_BIT)
                 qWarning("Resolving into a multisample texture is not supported");
 
+            QVkTexture *texD = QRHI_RES(QVkTexture, it->texture());
+            QVkRenderBuffer *rbD = QRHI_RES(QVkRenderBuffer, it->renderBuffer());
+            const VkFormat srcFormat = texD ? texD->vkformat : rbD->vkformat;
+            if (srcFormat != dstFormat) {
+                // This is a validation error. But some implementations survive,
+                // actually. Warn about it however, because it's an error with
+                // some other backends (like D3D) as well.
+                qWarning("Multisample resolve between different formats (%d and %d) is not supported.",
+                         int(srcFormat), int(dstFormat));
+            }
+
             VkAttachmentDescription attDesc;
             memset(&attDesc, 0, sizeof(attDesc));
-            attDesc.format = rtexD->vkformat;
+            attDesc.format = dstFormat;
             attDesc.samples = VK_SAMPLE_COUNT_1_BIT;
             attDesc.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; // ignored
             attDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;