if (src == VK_SUBPASS_EXTERNAL)
dst = 0;
+
+ /* From the Vulkan 1.2.195 spec:
+ *
+ * "If an instance of VkMemoryBarrier2 is included in the pNext chain, srcStageMask,
+ * dstStageMask, srcAccessMask, and dstAccessMask parameters are ignored. The synchronization
+ * and access scopes instead are defined by the parameters of VkMemoryBarrier2."
+ */
+ const VkMemoryBarrier2KHR *barrier =
+ vk_find_struct_const(dep->pNext, MEMORY_BARRIER_2_KHR);
+ VkPipelineStageFlags2KHR src_stage_mask = barrier ? barrier->srcStageMask : dep->srcStageMask;
+ VkAccessFlags2KHR src_access_mask = barrier ? barrier->srcAccessMask : dep->srcAccessMask;
+ VkPipelineStageFlags2KHR dst_stage_mask = barrier ? barrier->dstStageMask : dep->dstStageMask;
+ VkAccessFlags2KHR dst_access_mask = barrier ? barrier->dstAccessMask : dep->dstAccessMask;
+
if (dst == VK_SUBPASS_EXTERNAL) {
- if (dep->dstStageMask != VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT)
- pass->end_barrier.src_stage_mask |= dep->srcStageMask;
- pass->end_barrier.src_access_mask |= dep->srcAccessMask;
- pass->end_barrier.dst_access_mask |= dep->dstAccessMask;
+ if (dst_stage_mask != VK_PIPELINE_STAGE_2_BOTTOM_OF_PIPE_BIT_KHR)
+ pass->end_barrier.src_stage_mask |= src_stage_mask;
+ pass->end_barrier.src_access_mask |= src_access_mask;
+ pass->end_barrier.dst_access_mask |= dst_access_mask;
} else {
- if (dep->dstStageMask != VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT)
- pass->subpasses[dst].start_barrier.src_stage_mask |= dep->srcStageMask;
- pass->subpasses[dst].start_barrier.src_access_mask |= dep->srcAccessMask;
- pass->subpasses[dst].start_barrier.dst_access_mask |= dep->dstAccessMask;
+ if (dst_stage_mask != VK_PIPELINE_STAGE_2_BOTTOM_OF_PIPE_BIT_KHR)
+ pass->subpasses[dst].start_barrier.src_stage_mask |= src_stage_mask;
+ pass->subpasses[dst].start_barrier.src_access_mask |= src_access_mask;
+ pass->subpasses[dst].start_barrier.dst_access_mask |= dst_access_mask;
}
}