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[dxvk] Clear entire allocated memory region when initializing buffers

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Philip Rebohle 2025-03-23 16:54:52 +01:00 committed by Philip Rebohle
parent f17188395b
commit f7ae4549d4
1 changed files with 10 additions and 0 deletions
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10
src/dxvk/dxvk_context.cpp
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@ -1034,6 +1034,16 @@ namespace dxvk {
const Rc<DxvkBuffer>& buffer) { const Rc<DxvkBuffer>& buffer) {
auto dstSlice = buffer->getSliceHandle(); auto dstSlice = buffer->getSliceHandle();
// If the buffer is suballocated, clear the entire allocated
// region, which is guaranteed to have a nicely aligned size
if (!buffer->storage()->flags().test(DxvkAllocationFlag::OwnsBuffer)) {
auto bufferInfo = buffer->storage()->getBufferInfo();
dstSlice.handle = bufferInfo.buffer;
dstSlice.offset = bufferInfo.offset;
dstSlice.length = bufferInfo.size;
}
// Buffer size may be misaligned, in which case we have // Buffer size may be misaligned, in which case we have
// to use a plain buffer copy to fill the last few bytes. // to use a plain buffer copy to fill the last few bytes.
constexpr VkDeviceSize MinCopyAndFillSize = 1u << 20; constexpr VkDeviceSize MinCopyAndFillSize = 1u << 20;