How to transition layouts for clearing depth and stencil

Vulkan
1

Hi! This code :

VkImageMemoryBarrier depthStencilToClearBarrier {
                    .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                    .pNext = nullptr,
                    .srcAccessMask = VK_ACCESS_MEMORY_READ_BIT,
                    .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
                    .oldLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
                    .newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
                    .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .image = getSwapchainImages()[i],
                    .subresourceRange = imageRange
                };
                VkImageMemoryBarrier clearToDepthStencilBarrier {
                    .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                    .pNext = nullptr,
                    .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
                    .dstAccessMask = VK_ACCESS_MEMORY_READ_BIT,
                    .oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
                    .newLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
                    .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .image = getSwapchainImages()[i],
                    .subresourceRange = imageRange
                };
                vkCmdPipelineBarrier(getCommandBuffers()[i], VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, &depthStencilToClearBarrier);
                vkCmdClearDepthStencilImage(getCommandBuffers()[i], getDepthTexture().getImage(), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, &clearDepthStencilValue, 1, &imageRange2);
                vkCmdPipelineBarrier(getCommandBuffers()[i], VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &clearToDepthStencilBarrier);

Tells me that the layouts VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL and VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL are incompatible.

What is the correct layout to clear the depth stencil ?

Thanks.

2

Ok if I pass the wrong image at the memeory barrier creation info it’ll not work…
This is better :

VkImageMemoryBarrier depthStencilToClearBarrier {
                    .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                    .pNext = nullptr,
                    .srcAccessMask = VK_ACCESS_MEMORY_READ_BIT,
                    .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
                    .oldLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
                    .newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
                    .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .image = getDepthTexture().getImage(),
                    .subresourceRange = imageRange
                };
                VkImageMemoryBarrier clearToDepthStencilBarrier {
                    .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                    .pNext = nullptr,
                    .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
                    .dstAccessMask = VK_ACCESS_MEMORY_READ_BIT,
                    .oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
                    .newLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
                    .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
                    .image = getDepthTexture().getImage(),
                    .subresourceRange = imageRange
                };

Solved.