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rhi: vulkan: Reduce staging copy size for full-width texture uploads

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Pick-to: 6.6 6.5
Task-number: QTBUG-120565
Change-Id: I057f40ee410df35af87f27a0357252bc26234f04
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
(cherry picked from commit aa12713c1fdb8dfb9034de6f8f162864cf868753)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Laszlo Agocs 2024-04-30 11:57:08 +02:00 committed by Qt Cherry-pick Bot
parent 4e396bcdc4
commit 191459da49
1 changed files with 6 additions and 6 deletions
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12
src/gui/rhi/qrhivulkan.cpp
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@ -3225,12 +3225,12 @@ void QRhiVulkan::prepareUploadSubres(QVkTexture *texD, int layer, int level,
const int sy = subresDesc.sourceTopLeft().y();
if (!subresDesc.sourceSize().isEmpty())
size = subresDesc.sourceSize();
if (image.depth() == 32) {
// The staging buffer will get the full image
// regardless, just adjust the vk
// buffer-to-image copy start offset.
copyInfo.bufferOffset += VkDeviceSize(sy * image.bytesPerLine() + sx * 4);
// bufferRowLength remains set to the original image's width
if (size.width() == image.width()) {
// No need to make a QImage copy here, can copy from the source
// QImage into staging directly.
src = image.constBits() + sy * image.bytesPerLine() + sx * bpc;
copySizeBytes = size.height() * image.bytesPerLine();
} else {
image = image.copy(sx, sy, size.width(), size.height());
src = image.constBits();