vk, mtl: Track resources correctly in copy, readback and mip.gen.

src/rhi/qrhimetal.mm

@@ -1374,6 +1374,8 @@ void QRhiMetal::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdate
                                   destinationSlice: u.desc.destinationLayer()
                                   destinationLevel: u.desc.destinationLevel()
                                   destinationOrigin: MTLOriginMake(dp.x(), dp.y(), 0)];
+
+        srcD->lastActiveFrameSlot = dstD->lastActiveFrameSlot = currentFrameSlot;
     }
 
     for (const QRhiResourceUpdateBatchPrivate::TextureRead &u : ud->textureReadbacks) {
@@ -1396,6 +1398,7 @@ void QRhiMetal::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdate
             aRb.format = texD->m_format;
             src = texD->d->tex;
             srcSize = texD->m_pixelSize;
+            texD->lastActiveFrameSlot = currentFrameSlot;
         } else {
             Q_ASSERT(currentSwapChain);
             swapChainD = QRHI_RES(QMetalSwapChain, currentSwapChain);
@@ -1432,8 +1435,10 @@ void QRhiMetal::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdate
     }
 
     for (const QRhiResourceUpdateBatchPrivate::TextureMipGen &u : ud->textureMipGens) {
+        QMetalTexture *utexD = QRHI_RES(QMetalTexture, u.tex);
         ensureBlit();
-        [blitEnc generateMipmapsForTexture: QRHI_RES(QMetalTexture, u.tex)->d->tex];
+        [blitEnc generateMipmapsForTexture: utexD->d->tex];
+        utexD->lastActiveFrameSlot = currentFrameSlot;
     }
 
     if (blitEnc) {

src/rhi/qrhivulkan.cpp

@@ -2555,6 +2555,8 @@ void QRhiVulkan::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdat
 
         finishTransferSrc(cb, srcD);
         finishTransferDest(cb, dstD);
+
+        srcD->lastActiveFrameSlot = dstD->lastActiveFrameSlot = currentFrameSlot;
     }
 
     for (const QRhiResourceUpdateBatchPrivate::TextureRead &u : ud->textureReadbacks) {
@@ -2573,6 +2575,7 @@ void QRhiVulkan::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdat
             aRb.pixelSize = u.rb.level() > 0 ? q->sizeForMipLevel(u.rb.level(), texD->m_pixelSize)
                                              : texD->m_pixelSize;
             aRb.format = texD->m_format;
+            texD->lastActiveFrameSlot = currentFrameSlot;
         } else {
             Q_ASSERT(currentSwapChain);
             swapChainD = QRHI_RES(QVkSwapChain, currentSwapChain);
@@ -2718,6 +2721,8 @@ void QRhiVulkan::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdat
         }
 
         finishTransferDest(cb, utexD);
+
+        utexD->lastActiveFrameSlot = currentFrameSlot;
     }
 
     ud->free();