Add stageBarrier helpers for future refactors

This will be helpful because a lot of our barriers can be much simpler
with no extra cost.

src/resources.cpp

@@ -53,6 +53,25 @@ void pipelineBarrier(VkCommandBuffer commandBuffer, VkDependencyFlags dependency
 	vkCmdPipelineBarrier2(commandBuffer, &dependencyInfo);
 }
 
+void stageBarrier(VkCommandBuffer commandBuffer, VkPipelineStageFlags2 stageMask)
+{
+	stageBarrier(commandBuffer, stageMask, stageMask);
+}
+
+void stageBarrier(VkCommandBuffer commandBuffer, VkPipelineStageFlags2 srcStageMask, VkPipelineStageFlags2 dstStageMask)
+{
+	VkMemoryBarrier2 barrier = { VK_STRUCTURE_TYPE_MEMORY_BARRIER_2 };
+	barrier.srcStageMask = srcStageMask;
+	barrier.dstStageMask = dstStageMask;
+	barrier.srcAccessMask = barrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
+
+	VkDependencyInfo dependencyInfo = { VK_STRUCTURE_TYPE_DEPENDENCY_INFO };
+	dependencyInfo.memoryBarrierCount = 1;
+	dependencyInfo.pMemoryBarriers = &barrier;
+
+	vkCmdPipelineBarrier2(commandBuffer, &dependencyInfo);
+}
+
 static uint32_t selectMemoryType(const VkPhysicalDeviceMemoryProperties& memoryProperties, uint32_t memoryTypeBits, VkMemoryPropertyFlags flags)
 {
 	for (uint32_t i = 0; i < memoryProperties.memoryTypeCount; ++i)

src/resources.h

@@ -20,6 +20,9 @@ VkBufferMemoryBarrier2 bufferBarrier(VkBuffer buffer, VkPipelineStageFlags2 srcS
 
 void pipelineBarrier(VkCommandBuffer commandBuffer, VkDependencyFlags dependencyFlags, size_t bufferBarrierCount, const VkBufferMemoryBarrier2* bufferBarriers, size_t imageBarrierCount, const VkImageMemoryBarrier2* imageBarriers);
 
+void stageBarrier(VkCommandBuffer commandBuffer, VkPipelineStageFlags2 stageMask);
+void stageBarrier(VkCommandBuffer commandBuffer, VkPipelineStageFlags2 srcStageMask, VkPipelineStageFlags2 dstStageMask);
+
 void createBuffer(Buffer& result, VkDevice device, const VkPhysicalDeviceMemoryProperties& memoryProperties, size_t size, VkBufferUsageFlags usage, VkMemoryPropertyFlags memoryFlags);
 void uploadBuffer(VkDevice device, VkCommandPool commandPool, VkCommandBuffer commandBuffer, VkQueue queue, const Buffer& buffer, const Buffer& scratch, const void* data, size_t size);
 void destroyBuffer(const Buffer& buffer, VkDevice device);