/// <inheritdoc cref="Copy(GraphicsBuffer, GraphicsBuffer)" />
public void Copy(VulkanGraphicsBuffer destination, VulkanGraphicsBuffer source)
{
ThrowIfNull(destination, nameof(destination));
ThrowIfNull(source, nameof(source));
var vulkanBufferCopy = new VkBufferCopy {
srcOffset = 0,
dstOffset = 0,
size = Math.Min(destination.Size, source.Size),
};
vkCmdCopyBuffer(VulkanCommandBuffer, source.VulkanBuffer, destination.VulkanBuffer, 1, &vulkanBufferCopy);
}
/// <inheritdoc cref="Copy(GraphicsTexture, GraphicsBuffer)" />
public void Copy(VulkanGraphicsTexture destination, VulkanGraphicsBuffer source)
{
ThrowIfNull(destination, nameof(destination));
ThrowIfNull(source, nameof(source));
var vulkanCommandBuffer = VulkanCommandBuffer;
var vulkanImage = destination.VulkanImage;
BeginCopy();
var vulkanBufferImageCopy = new VkBufferImageCopy {
imageSubresource = new VkImageSubresourceLayers {
aspectMask = (uint)VK_IMAGE_ASPECT_COLOR_BIT,
layerCount = 1,
},
imageExtent = new VkExtent3D {
width = (uint)destination.Width,
height = destination.Height,
depth = destination.Depth,
},
};
vkCmdCopyBufferToImage(vulkanCommandBuffer, source.VulkanBuffer, vulkanImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &vulkanBufferImageCopy);
EndCopy();
void BeginCopy()
{
var vulkanImageMemoryBarrier = new VkImageMemoryBarrier {
sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
dstAccessMask = (uint)VK_ACCESS_TRANSFER_WRITE_BIT,
oldLayout = VK_IMAGE_LAYOUT_UNDEFINED,
newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
image = vulkanImage,
subresourceRange = new VkImageSubresourceRange {
aspectMask = (uint)VK_IMAGE_ASPECT_COLOR_BIT,
levelCount = 1,
layerCount = 1,
},
};
vkCmdPipelineBarrier(vulkanCommandBuffer, (uint)VK_PIPELINE_STAGE_HOST_BIT, (uint)VK_PIPELINE_STAGE_TRANSFER_BIT, dependencyFlags: 0, memoryBarrierCount: 0, pMemoryBarriers: null, bufferMemoryBarrierCount: 0, pBufferMemoryBarriers: null, imageMemoryBarrierCount: 1, &vulkanImageMemoryBarrier);
}
void EndCopy()
{
var vulkanImageMemoryBarrier = new VkImageMemoryBarrier {
sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
srcAccessMask = (uint)VK_ACCESS_TRANSFER_WRITE_BIT,
dstAccessMask = (uint)VK_ACCESS_SHADER_READ_BIT,
oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
image = vulkanImage,
subresourceRange = new VkImageSubresourceRange {
aspectMask = (uint)VK_IMAGE_ASPECT_COLOR_BIT,
levelCount = 1,
layerCount = 1,
},
};
vkCmdPipelineBarrier(vulkanCommandBuffer, (uint)VK_PIPELINE_STAGE_TRANSFER_BIT, (uint)VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, dependencyFlags: 0, memoryBarrierCount: 0, pMemoryBarriers: null, bufferMemoryBarrierCount: 0, pBufferMemoryBarriers: null, imageMemoryBarrierCount: 1, &vulkanImageMemoryBarrier);
}
}