private unsafe CommandBuffer BeginImageCommandBuffer()
{
Device device = _renderer.Params.Device;
Vk vk = _renderer.Vk;
CommandBufferAllocateInfo commandBufferAllocateInfo = new()
{
SType = StructureType.CommandBufferAllocateInfo,
CommandBufferCount = 1,
CommandPool = _renderer.ImageTransitionPool
};
_renderer.AssertVulkan(vk.AllocateCommandBuffers(device, commandBufferAllocateInfo, out CommandBuffer commandBuffer));
CommandBufferBeginInfo commandBufferBeginInfo = new()
{
SType = StructureType.CommandBufferBeginInfo,
Flags = CommandBufferUsageFlags.CommandBufferUsageOneTimeSubmitBit,
PInheritanceInfo = null
};
_renderer.AssertVulkan(vk.BeginCommandBuffer(commandBuffer, commandBufferBeginInfo));
return(commandBuffer);
}
private unsafe void EndImageCommandBuffer(CommandBuffer commandBuffer)
{
Device device = _renderer.Params.Device;
Vk vk = _renderer.Vk;
_renderer.AssertVulkan(vk.EndCommandBuffer(commandBuffer));
SubmitInfo submitInfo = new()
{
SType = StructureType.SubmitInfo,
CommandBufferCount = 1,
PCommandBuffers = &commandBuffer,
SignalSemaphoreCount = 0,
PSignalSemaphores = null,
WaitSemaphoreCount = 0,
PWaitSemaphores = null,
PWaitDstStageMask = null
};
_renderer.AssertVulkan(vk.QueueSubmit(_renderer.ImageTransitionQueue, 1, submitInfo, default));
_renderer.AssertVulkan(vk.QueueWaitIdle(_renderer.ImageTransitionQueue));
vk.FreeCommandBuffers(device, _renderer.ImageTransitionPool, 1, commandBuffer);
}
private unsafe void TransitionImageLayout(ImageLayout oldLayout, ImageLayout newLayout)
{
Vk vk = _renderer.Vk;
CommandBuffer commandBuffer = BeginImageCommandBuffer();
ImageMemoryBarrier imageMemoryBarrier = new()
{
SType = StructureType.ImageMemoryBarrier,
OldLayout = oldLayout,
NewLayout = newLayout,
SrcQueueFamilyIndex = Vk.QueueFamilyIgnored,
DstQueueFamilyIndex = Vk.QueueFamilyIgnored,
Image = _image,
SubresourceRange = new ImageSubresourceRange()
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
BaseArrayLayer = 0,
LayerCount = 1,
BaseMipLevel = 0,
LevelCount = _mipLevelCount
},
SrcAccessMask = 0,
DstAccessMask = 0
};
if ((oldLayout == ImageLayout.Undefined) && (newLayout == ImageLayout.TransferDstOptimal))
{
imageMemoryBarrier.SrcAccessMask = 0;
imageMemoryBarrier.DstAccessMask = AccessFlags.AccessTransferWriteBit;
vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageTopOfPipeBit, PipelineStageFlags.PipelineStageTransferBit, 0, 0, null, 0, null, 1, imageMemoryBarrier);
}
else if ((oldLayout == ImageLayout.TransferDstOptimal) && (newLayout == ImageLayout.ShaderReadOnlyOptimal))
{
imageMemoryBarrier.SrcAccessMask = AccessFlags.AccessTransferWriteBit;
imageMemoryBarrier.DstAccessMask = AccessFlags.AccessShaderReadBit;
vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageTransferBit, PipelineStageFlags.PipelineStageFragmentShaderBit, 0, 0, null, 0, null, 1, imageMemoryBarrier);
}
else if ((oldLayout == ImageLayout.ShaderReadOnlyOptimal) && (newLayout == ImageLayout.TransferDstOptimal))
{
imageMemoryBarrier.SrcAccessMask = AccessFlags.AccessShaderReadBit;
imageMemoryBarrier.DstAccessMask = AccessFlags.AccessTransferWriteBit;
vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageFragmentShaderBit, PipelineStageFlags.PipelineStageTransferBit, 0, 0, null, 0, null, 1, imageMemoryBarrier);
}
EndImageCommandBuffer(commandBuffer);
}
private void CopyBufferToImage(Buffer <byte> source)
{
Vk vk = _renderer.Vk;
CommandBuffer commandBuffer = BeginImageCommandBuffer();
BufferImageCopy bufferImageCopy = new()
{
BufferOffset = 0,
BufferRowLength = 0,
BufferImageHeight = 0,
ImageSubresource = new ImageSubresourceLayers()
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
MipLevel = 0,
BaseArrayLayer = 0,
LayerCount = 1
},
ImageOffset = new Offset3D()
{
X = 0,
Y = 0,
Z = 0
},
ImageExtent = new Extent3D()
{
Width = Size.X,
Height = Size.Y,
Depth = 1
}
};
vk.CmdCopyBufferToImage(commandBuffer, source.Handle, _image, ImageLayout.TransferDstOptimal, 1, bufferImageCopy);
EndImageCommandBuffer(commandBuffer);
}
public unsafe void Run(int currentFrameIndex, int imageIndex, Semaphore waitSemaphore, Semaphore signalSemaphore, Fence signal)
{
var bufferInfo = new DescriptorBufferInfo(_commandBuffers[currentFrameIndex], 0,
(ulong)(sizeof(uint) * _commandBufferCapacities[currentFrameIndex]));
_vk.UpdateDescriptorSets(_device, 1,
new WriteDescriptorSet(dstSet: _targetDescriptorSets[currentFrameIndex], dstBinding: 1, dstArrayElement: 0,
descriptorCount: 1, descriptorType: DescriptorType.StorageBuffer, pBufferInfo: &bufferInfo), 0,
null);
var currentFrame = _frames[currentFrameIndex];
_vk.ResetCommandPool(_device, currentFrame.CommandPool, 0).ThrowCode();
_vk.AllocateCommandBuffers(_device,
new CommandBufferAllocateInfo(commandPool: currentFrame.CommandPool, level: CommandBufferLevel.Primary,
commandBufferCount: 1), out var commandBuffer).ThrowCode();
Name(ObjectType.CommandBuffer, (ulong)commandBuffer.Handle, $"Command Buffer Frame {currentFrameIndex}");
var renderContext = new RenderContext(_targetImageViews[imageIndex],
_targetSize, currentFrameIndex);
_vk.BeginCommandBuffer(commandBuffer,
new CommandBufferBeginInfo(flags: CommandBufferUsageFlags.CommandBufferUsageOneTimeSubmitBit))
.ThrowCode();
// var memoryBarrier = new ImageMemoryBarrier2KHR(srcStageMask: PipelineStageFlags2KHR.PipelineStage2TopOfPipeBitKhr,
// srcAccessMask: AccessFlags2KHR.Access2NoneKhr, dstStageMask: PipelineStageFlags2KHR.PipelineStage2TransferBitKhr,
// dstAccessMask: AccessFlags2KHR.Access2TransferWriteBitKhr,
// oldLayout: ImageLayout.Undefined, newLayout: ImageLayout.TransferDstOptimal,
// srcQueueFamilyIndex: Vk.QueueFamilyIgnored, dstQueueFamilyIndex: Vk.QueueFamilyIgnored,
// image: _targetImages.Span[imageIndex], subresourceRange: new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1),
// sType: StructureType.ImageMemoryBarrier2Khr, pNext: null);
// _khrSynchronization2.CmdPipelineBarrier2(commandBuffer, new DependencyInfoKHR(imageMemoryBarrierCount: 1,
// pImageMemoryBarriers: &memoryBarrier, dependencyFlags: 0, memoryBarrierCount: 0, pMemoryBarriers: null, bufferMemoryBarrierCount: 0, pBufferMemoryBarriers: null));
_vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageTopOfPipeBit,
PipelineStageFlags.PipelineStageTransferBit, 0, 0, null, 0, null, 1,
new ImageMemoryBarrier(srcAccessMask: AccessFlags.AccessNoneKhr,
dstAccessMask: AccessFlags.AccessTransferWriteBit, oldLayout: ImageLayout.Undefined,
newLayout: ImageLayout.TransferDstOptimal, srcQueueFamilyIndex: Vk.QueueFamilyIgnored,
dstQueueFamilyIndex: Vk.QueueFamilyIgnored, image: _targetImages.Span[imageIndex],
subresourceRange: new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1)));
_vk.CmdClearColorImage(commandBuffer, _targetImages.Span[imageIndex], ImageLayout.TransferDstOptimal,
new ClearColorValue(0f, 0f, 0f, 1f), 1,
new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1));
// var memoryBarrier2 = new ImageMemoryBarrier2KHR(srcStageMask: PipelineStageFlags2KHR.PipelineStage2TransferBitKhr,
// srcAccessMask: AccessFlags2KHR.Access2TransferWriteBitKhr, dstStageMask: PipelineStageFlags2KHR.PipelineStage2ComputeShaderBitKhr,
// dstAccessMask: AccessFlags2KHR.Access2ShaderReadBitKhr | AccessFlags2KHR.Access2ShaderWriteBitKhr,
// oldLayout: ImageLayout.TransferDstOptimal, newLayout: ImageLayout.General,
// srcQueueFamilyIndex: Vk.QueueFamilyIgnored, dstQueueFamilyIndex: Vk.QueueFamilyIgnored,
// image: _targetImages.Span[imageIndex], subresourceRange: new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1));
// _khrSynchronization2.CmdPipelineBarrier2(commandBuffer, new DependencyInfoKHR(imageMemoryBarrierCount: 1,
// pImageMemoryBarriers: &memoryBarrier2));
_vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageTransferBit,
PipelineStageFlags.PipelineStageComputeShaderBit, 0, 0, null, 0, null, 1,
new ImageMemoryBarrier(srcAccessMask: AccessFlags.AccessTransferWriteBit,
dstAccessMask: AccessFlags.AccessShaderReadBit | AccessFlags.AccessShaderWriteBit, oldLayout: ImageLayout.TransferDstOptimal,
newLayout: ImageLayout.General, srcQueueFamilyIndex: Vk.QueueFamilyIgnored,
dstQueueFamilyIndex: Vk.QueueFamilyIgnored, image: _targetImages.Span[imageIndex],
subresourceRange: new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1)));
Span <uint> pValues = stackalloc uint[]
{
_targetSize.X, _targetSize.Y
};
_vk.CmdPushConstants(commandBuffer, _pipelineLayout, ShaderStageFlags.ShaderStageComputeBit, 0, (uint)pValues.Length * sizeof(uint), pValues);
_vk.CmdBindDescriptorSets(commandBuffer, PipelineBindPoint.Compute, _pipelineLayout, 0, 1,
_targetDescriptorSets[imageIndex], 0, null);
_computeShader.Record(renderContext, commandBuffer);
// var memoryBarrier3 = new ImageMemoryBarrier2KHR(srcStageMask: PipelineStageFlags2KHR.PipelineStage2ComputeShaderBitKhr,
// srcAccessMask: AccessFlags2KHR.Access2ShaderReadBitKhr | AccessFlags2KHR.Access2ShaderWriteBitKhr, dstStageMask: PipelineStageFlags2KHR.PipelineStage2BottomOfPipeBitKhr,
// dstAccessMask: AccessFlags2KHR.Access2NoneKhr,
// oldLayout: ImageLayout.General, newLayout: ImageLayout.PresentSrcKhr,
// srcQueueFamilyIndex: Vk.QueueFamilyIgnored, dstQueueFamilyIndex: Vk.QueueFamilyIgnored,
// image: _targetImages.Span[imageIndex], subresourceRange: new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1));
// _khrSynchronization2.CmdPipelineBarrier2(commandBuffer, new DependencyInfoKHR(imageMemoryBarrierCount: 1,
// pImageMemoryBarriers: &memoryBarrier3));
_vk.CmdPipelineBarrier(commandBuffer, PipelineStageFlags.PipelineStageComputeShaderBit,
PipelineStageFlags.PipelineStageBottomOfPipeBit, 0, 0, null, 0, null, 1,
new ImageMemoryBarrier(srcAccessMask: AccessFlags.AccessShaderReadBit | AccessFlags.AccessShaderWriteBit,
dstAccessMask: AccessFlags.AccessNoneKhr, oldLayout: ImageLayout.General,
newLayout: ImageLayout.PresentSrcKhr, srcQueueFamilyIndex: Vk.QueueFamilyIgnored,
dstQueueFamilyIndex: Vk.QueueFamilyIgnored, image: _targetImages.Span[imageIndex],
subresourceRange: new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, 1, 0, 1)));
_vk.EndCommandBuffer(commandBuffer);
var waitDstStageMask = PipelineStageFlags.PipelineStageTransferBit;
_vk.QueueSubmit(Queue, 1,
new SubmitInfo(waitSemaphoreCount: 1, pWaitSemaphores: &waitSemaphore, commandBufferCount: 1,
pCommandBuffers: &commandBuffer, signalSemaphoreCount: 1, pSignalSemaphores: &signalSemaphore,
pWaitDstStageMask: &waitDstStageMask), signal).ThrowCode();
}