public void PushConstants <T>(CommandBuffer commandBuffer, Span <T> values) where T : unmanaged
{
_vk.CmdPushConstants(commandBuffer, _pipelineLayout, ShaderStageFlags.ShaderStageAll, 0, (uint)_pushConstantSize, values);
}
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();
}