List <ImageData> InitializeSwapchainImages(Queue queue, CommandPool cmdPool, Image[] images, Format imageFormat)
{
var cmdBuffers = AllocateCommandBuffers(cmdPool, 1);
var cmdBuffer = cmdBuffers.First();
var inheritanceInfo = new CommandBufferInheritanceInfo();
var beginInfo = new CommandBufferBeginInfo {
InheritanceInfo = inheritanceInfo
};
cmdBuffer.Begin(beginInfo);
foreach (var img in images)
{
PipelineBarrierSetLayout(cmdBuffer, img, ImageLayout.Undefined, ImageLayout.PresentSrcKHR, AccessFlags.None, AccessFlags.None);
}
cmdBuffer.End();
var submitInfo = new SubmitInfo(null, null, new[] { cmdBuffer }, null);
queue.Submit(new[] { submitInfo });
queue.WaitIdle();
device.FreeCommandBuffers(cmdPool, new[] { cmdBuffer });
var imageDatas = new List <ImageData>();
foreach (var img in images)
{
var imgData = new ImageData();
imgData.Image = img;
imgData.Width = 800;
imgData.Height = 600;
imgData.View = CreateImageView(img, imageFormat);
imageDatas.Add(imgData);
}
return(imageDatas);
}
private void SetImageLayout(Image image, ImageAspectFlags imageAspect, ImageLayout oldLayout, ImageLayout newLayout)
{
if (setupCommanBuffer == CommandBuffer.Null)
{
// Create command buffer
CommandBuffer setupCommandBuffer;
var allocateInfo = new CommandBufferAllocateInfo
{
StructureType = StructureType.CommandBufferAllocateInfo,
CommandPool = commandPool,
Level = CommandBufferLevel.Primary,
CommandBufferCount = 1,
};
device.AllocateCommandBuffers(ref allocateInfo, &setupCommandBuffer);
setupCommanBuffer = setupCommandBuffer;
// Begin command buffer
var inheritanceInfo = new CommandBufferInheritanceInfo { StructureType = StructureType.CommandBufferInheritanceInfo };
var beginInfo = new CommandBufferBeginInfo
{
StructureType = StructureType.CommandBufferBeginInfo,
InheritanceInfo = new IntPtr(&inheritanceInfo)
};
setupCommanBuffer.Begin(ref beginInfo);
}
var imageMemoryBarrier = new ImageMemoryBarrier
{
StructureType = StructureType.ImageMemoryBarrier,
OldLayout = oldLayout,
NewLayout = newLayout,
Image = image,
SubresourceRange = new ImageSubresourceRange(imageAspect, 0, 1, 0, 1)
};
switch (newLayout)
{
case ImageLayout.TransferDestinationOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.TransferRead;
break;
case ImageLayout.ColorAttachmentOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.ColorAttachmentWrite;
break;
case ImageLayout.DepthStencilAttachmentOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.DepthStencilAttachmentWrite;
break;
case ImageLayout.ShaderReadOnlyOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.ShaderRead | AccessFlags.InputAttachmentRead;
break;
}
var sourceStages = PipelineStageFlags.TopOfPipe;
var destinationStages = PipelineStageFlags.TopOfPipe;
setupCommanBuffer.PipelineBarrier(sourceStages, destinationStages, DependencyFlags.None, 0, null, 0, null, 1, &imageMemoryBarrier);
}
private void SetImageLayout(Image image, ImageAspectFlags imageAspect, ImageLayout oldLayout, ImageLayout newLayout)
{
if (setupCommanBuffer == CommandBuffer.Null)
{
// Create command buffer
CommandBuffer setupCommandBuffer;
var allocateInfo = new CommandBufferAllocateInfo
{
StructureType = StructureType.CommandBufferAllocateInfo,
CommandPool = commandPool,
Level = CommandBufferLevel.Primary,
CommandBufferCount = 1,
};
device.AllocateCommandBuffers(ref allocateInfo, &setupCommandBuffer);
setupCommanBuffer = setupCommandBuffer;
// Begin command buffer
var inheritanceInfo = new CommandBufferInheritanceInfo {
StructureType = StructureType.CommandBufferInheritanceInfo
};
var beginInfo = new CommandBufferBeginInfo
{
StructureType = StructureType.CommandBufferBeginInfo,
InheritanceInfo = new IntPtr(&inheritanceInfo)
};
setupCommanBuffer.Begin(ref beginInfo);
}
var imageMemoryBarrier = new ImageMemoryBarrier
{
StructureType = StructureType.ImageMemoryBarrier,
OldLayout = oldLayout,
NewLayout = newLayout,
Image = image,
SubresourceRange = new ImageSubresourceRange(imageAspect, 0, 1, 0, 1)
};
switch (newLayout)
{
case ImageLayout.TransferDestinationOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.TransferRead;
break;
case ImageLayout.ColorAttachmentOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.ColorAttachmentWrite;
break;
case ImageLayout.DepthStencilAttachmentOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.DepthStencilAttachmentWrite;
break;
case ImageLayout.ShaderReadOnlyOptimal:
imageMemoryBarrier.DestinationAccessMask = AccessFlags.ShaderRead | AccessFlags.InputAttachmentRead;
break;
}
var sourceStages = PipelineStageFlags.TopOfPipe;
var destinationStages = PipelineStageFlags.TopOfPipe;
setupCommanBuffer.PipelineBarrier(sourceStages, destinationStages, DependencyFlags.None, 0, null, 0, null, 1, &imageMemoryBarrier);
}
