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Add pre-copy barrier to buffer update

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Add a barrier to "safe" the buffer update write from previous accesses
to buffer range being updated.  Remove duplicate unneed barrier.
This commit is contained in:
John Zulauf 2020-10-16 18:43:02 -06:00
parent 459fa078e0
commit d2083282c0
1 changed files with 1 additions and 1 deletions
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2
drivers/vulkan/rendering_device_vulkan.cpp
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@ -4997,12 +4997,12 @@ Error RenderingDeviceVulkan::buffer_update(RID p_buffer, uint32_t p_offset, uint
ERR_FAIL_COND_V_MSG(p_offset + p_size > buffer->size, ERR_INVALID_PARAMETER,
"Attempted to write buffer (" + itos((p_offset + p_size) - buffer->size) + " bytes) past the end.");
_buffer_memory_barrier(buffer->buffer, p_offset, p_size, dst_stage_mask, VK_PIPELINE_STAGE_TRANSFER_BIT, dst_access, VK_ACCESS_TRANSFER_WRITE_BIT, p_sync_with_draw);
Error err = _buffer_update(buffer, p_offset, (uint8_t *)p_data, p_size, p_sync_with_draw);
if (err) {
return err;
}
_buffer_memory_barrier(buffer->buffer, p_offset, p_size, VK_PIPELINE_STAGE_TRANSFER_BIT, dst_stage_mask, VK_ACCESS_TRANSFER_WRITE_BIT, dst_access, p_sync_with_draw);
#ifdef FORCE_FULL_BARRIER
_full_barrier(p_sync_with_draw);
#else