public unsafe bool TryAllocate(ResourceSet myResources)
{
myEnumValues = (DescriptorType[])Enum.GetValues(typeof(DescriptorType));
int PoolItems = myEnumValues.Count();
DescriptorPoolSize[] myPoolSizeValues = new DescriptorPoolSize[PoolItems];
uint *myValues = stackalloc uint[PoolItems];
if (TotalSetsRemaining > 0)
{
for (int i = 0; i < myEnumValues.Length; i++)
{
myValues[i] = myResources.GetRequestedDescriptorSetSize(myEnumValues[i]);
if (DescriptorSetTypesRemainingInPool[i] < myValues[i])
{
return(false);
}
}
}
for (int i = 0; i < PoolItems; i++)
{
DescriptorSetTypesRemainingInPool[i] -= myValues[i];
}
myResources.AllocateFrom(myNewPoolObject);
return(true);
}
public unsafe DescriptorPoolHolder(Vk api, Device device)
{
Api = api;
Device = device;
var poolSizes = new DescriptorPoolSize[]
{
new DescriptorPoolSize(DescriptorType.UniformBuffer, (1 + Constants.MaxUniformBufferBindings) * DescriptorPoolMultiplier),
new DescriptorPoolSize(DescriptorType.StorageBuffer, Constants.MaxStorageBufferBindings * DescriptorPoolMultiplier),
new DescriptorPoolSize(DescriptorType.CombinedImageSampler, Constants.MaxTextureBindings * DescriptorPoolMultiplier),
new DescriptorPoolSize(DescriptorType.StorageImage, Constants.MaxImageBindings * DescriptorPoolMultiplier),
new DescriptorPoolSize(DescriptorType.UniformTexelBuffer, Constants.MaxTextureBindings * DescriptorPoolMultiplier),
new DescriptorPoolSize(DescriptorType.StorageTexelBuffer, Constants.MaxImageBindings * DescriptorPoolMultiplier)
};
uint maxSets = (uint)poolSizes.Length * DescriptorPoolMultiplier;
_capacity = maxSets;
fixed(DescriptorPoolSize *pPoolsSize = poolSizes)
{
var descriptorPoolCreateInfo = new DescriptorPoolCreateInfo()
{
SType = StructureType.DescriptorPoolCreateInfo,
MaxSets = maxSets,
PoolSizeCount = (uint)poolSizes.Length,
PPoolSizes = pPoolsSize
};
Api.CreateDescriptorPool(device, descriptorPoolCreateInfo, null, out _pool).ThrowOnError();
}
}
private DescriptorPool CreateDescriptorPool()
{
DescriptorPoolSize typeCount = new DescriptorPoolSize
{
Type = DescriptorType.UniformBuffer,
DescriptorCount = 1
};
DescriptorPoolCreateInfo createInfo = new DescriptorPoolCreateInfo
{
SType = StructureType.DescriptorPoolCreateInfo,
MaxSets = 1,
PoolSizeCount = 1,
PPoolSizes = &typeCount,
Flags = DescriptorPoolCreateFlags.DescriptorPoolCreateFreeDescriptorSetBit
};
DescriptorPool pool;
var res = VkApi.CreateDescriptorPool(this.Device, &createInfo, null, &pool);
if (res != Result.Success)
{
throw new VMASharp.VulkanResultException("Failed to create Descriptor Pool!", res);
}
return(pool);
}
protected override void CreateDescriptorPool()
{
var poolSizes = new DescriptorPoolSize[]
{
new DescriptorPoolSize
{
Type = DescriptorType.UniformBuffer,
DescriptorCount = (uint)images.Length,
},
new DescriptorPoolSize
{
Type = DescriptorType.CombinedImageSampler,
DescriptorCount = (uint)images.Length
}
};
DescriptorPoolCreateInfo poolInfo = new DescriptorPoolCreateInfo
{
PoolSizeCount = (uint)poolSizes.Length,
PoolSizes = poolSizes,
MaxSets = (uint)images.Length
};
descriptorPool = device.CreateDescriptorPool(poolInfo);
}
private void CreateDescriptorPool()
{
var poolSize = new DescriptorPoolSize()
{
Type = DescriptorType.UniformBuffer,
DescriptorCount = 1,
};
var poolInfo = new DescriptorPoolCreateInfo()
{
PoolSizes = new DescriptorPoolSize[] { poolSize },
MaxSets = 1,
};
vkDescriptorPool = vkDevice.CreateDescriptorPool(poolInfo);
}
public static DescriptorPool CreateDescriptorPool(Graphics g, DescriptorItem[] items)
{
var sizes = new DescriptorPoolSize[items.Length];
for (var i = 0; i < items.Length; i++)
{
var item = items[i];
sizes[i] = new DescriptorPoolSize(
item.Type == DescriptorItem.DescriptorType.UniformBuffer ? DescriptorType.UniformBuffer :
item.Type == DescriptorItem.DescriptorType.CombinedImageSampler ? DescriptorType.CombinedImageSampler :
DescriptorType.UniformBuffer,
item.Count
);
}
return(g.Context.Device.CreateDescriptorPool(
new DescriptorPoolCreateInfo(sizes.Length, sizes)));
}
DescriptorSet[] CreateDescriptorSets()
{
var typeCount = new DescriptorPoolSize {
Type = DescriptorType.UniformBuffer,
DescriptorCount = 1
};
var descriptorPoolCreateInfo = new DescriptorPoolCreateInfo {
PoolSizes = new DescriptorPoolSize [] { typeCount },
MaxSets = 1
};
var descriptorPool = device.CreateDescriptorPool(descriptorPoolCreateInfo);
var descriptorSetAllocateInfo = new DescriptorSetAllocateInfo {
SetLayouts = new DescriptorSetLayout [] { descriptorSetLayout },
DescriptorPool = descriptorPool
};
return(device.AllocateDescriptorSets(descriptorSetAllocateInfo));
}
public DescriptorPoolObject(Device myDevice)
{
myEnumValues = (DescriptorType[])Enum.GetValues(typeof(DescriptorType));
int PoolItems = myEnumValues.Count();
DescriptorPoolSize[] myPoolSizeValues = new DescriptorPoolSize[PoolItems];
DescriptorSetTypesRemainingInPool = new uint[PoolItems];
for (int i = 0; i < myEnumValues.Length; i++)
{
myPoolSizeValues[i].Type = (DescriptorType)myEnumValues[i];
myPoolSizeValues[i].DescriptorCount = 100;
DescriptorSetTypesRemainingInPool[i] = 100;
}
DescriptorPoolCreateInfo myCreateInformation = new DescriptorPoolCreateInfo();
//TODO: Deallocate
myCreateInformation.MaxSets = TotalSetsRemaining;
myCreateInformation.PoolSizes = myPoolSizeValues;
myNewPoolObject = myDevice.CreateDescriptorPool(myCreateInformation);
}
public unsafe DescriptorPool(Api api, Span <DescriptorBinding> descriptorBindings, ulong maxSets)
{
_api = api;
Span <DescriptorPoolSize> poolSizes = stackalloc DescriptorPoolSize[descriptorBindings.Length];
for (int i = 0; i < descriptorBindings.Length; i++)
{
poolSizes[i] = new DescriptorPoolSize(descriptorBindings[i].Type, descriptorBindings[i].DescriptorCount * (uint)maxSets);
}
var poolInfo = new DescriptorPoolCreateInfo();
poolInfo.SType = StructureType.DescriptorPoolCreateInfo;
poolInfo.PoolSizeCount = (uint)poolSizes.Length;
poolInfo.PPoolSizes = (DescriptorPoolSize *)Unsafe.AsPointer(ref poolSizes[0]);
poolInfo.MaxSets = (uint)maxSets;
poolInfo.Flags = DescriptorPoolCreateFlags.DescriptorPoolCreateFreeDescriptorSetBit;
Util.Verify(_api.Vk.CreateDescriptorPool(_api.Device.VkDevice, poolInfo, default, out _vkDescriptorPool), $"{nameof(DescriptorPool)}: Unable to create descriptor pool");
private unsafe void CreatePipelineLayout()
{
var binding = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorCount = 1,
DescriptorType = DescriptorType.UniformBuffer,
StageFlags = ShaderStageFlags.Vertex
};
var descriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo
{
StructureType = StructureType.DescriptorSetLayoutCreateInfo,
BindingCount = 1,
Bindings = new IntPtr(&binding)
};
descriptorSetLayout = device.CreateDescriptorSetLayout(ref descriptorSetLayoutCreateInfo);
var localDescriptorSetLayout = descriptorSetLayout;
var createInfo = new PipelineLayoutCreateInfo
{
StructureType = StructureType.PipelineLayoutCreateInfo,
SetLayoutCount = 1,
SetLayouts = new IntPtr(&localDescriptorSetLayout)
};
pipelineLayout = device.CreatePipelineLayout(ref createInfo);
var poolSize = new DescriptorPoolSize { DescriptorCount = 2, Type = DescriptorType.UniformBuffer };
var descriptorPoolCreateinfo = new DescriptorPoolCreateInfo
{
StructureType = StructureType.DescriptorPoolCreateInfo,
PoolSizeCount = 1,
PoolSizes = new IntPtr(&poolSize),
MaxSets = 2
};
descriptorPool = device.CreateDescriptorPool(ref descriptorPoolCreateinfo);
var bufferCreateInfo = new BufferCreateInfo
{
StructureType = StructureType.BufferCreateInfo,
Usage = BufferUsageFlags.UniformBuffer,
Size = 64,
};
uniformBuffer = device.CreateBuffer(ref bufferCreateInfo);
MemoryRequirements memoryRequirements;
device.GetBufferMemoryRequirements(uniformBuffer, out memoryRequirements);
var memory = AllocateMemory(MemoryPropertyFlags.HostVisible | MemoryPropertyFlags.HostCoherent, memoryRequirements);
device.BindBufferMemory(uniformBuffer, memory, 0);
var mappedMemory = device.MapMemory(memory, 0, 64, MemoryMapFlags.None);
var data = new[]
{
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f,
};
Utilities.Write(mappedMemory, data, 0, data.Length);
device.UnmapMemory(memory);
}
private unsafe void CreatePipelineLayout()
{
var binding = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorCount = 1,
DescriptorType = DescriptorType.UniformBuffer,
StageFlags = ShaderStageFlags.Vertex
};
var descriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo
{
StructureType = StructureType.DescriptorSetLayoutCreateInfo,
BindingCount = 1,
Bindings = new IntPtr(&binding)
};
descriptorSetLayout = device.CreateDescriptorSetLayout(ref descriptorSetLayoutCreateInfo);
var localDescriptorSetLayout = descriptorSetLayout;
var createInfo = new PipelineLayoutCreateInfo
{
StructureType = StructureType.PipelineLayoutCreateInfo,
SetLayoutCount = 1,
SetLayouts = new IntPtr(&localDescriptorSetLayout)
};
pipelineLayout = device.CreatePipelineLayout(ref createInfo);
var poolSize = new DescriptorPoolSize {
DescriptorCount = 2, Type = DescriptorType.UniformBuffer
};
var descriptorPoolCreateinfo = new DescriptorPoolCreateInfo
{
StructureType = StructureType.DescriptorPoolCreateInfo,
PoolSizeCount = 1,
PoolSizes = new IntPtr(&poolSize),
MaxSets = 2
};
descriptorPool = device.CreateDescriptorPool(ref descriptorPoolCreateinfo);
var bufferCreateInfo = new BufferCreateInfo
{
StructureType = StructureType.BufferCreateInfo,
Usage = BufferUsageFlags.UniformBuffer,
Size = 64,
};
uniformBuffer = device.CreateBuffer(ref bufferCreateInfo);
MemoryRequirements memoryRequirements;
device.GetBufferMemoryRequirements(uniformBuffer, out memoryRequirements);
var memory = AllocateMemory(MemoryPropertyFlags.HostVisible | MemoryPropertyFlags.HostCoherent, memoryRequirements);
device.BindBufferMemory(uniformBuffer, memory, 0);
var mappedMemory = device.MapMemory(memory, 0, 64, MemoryMapFlags.None);
var data = new[]
{
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f,
};
Utilities.Write(mappedMemory, data, 0, data.Length);
device.UnmapMemory(memory);
}
public bool CreateSwapChain(DrunkSpock spock,
int extentX, int extentY)
{
PhysicalDevice phys = mLogical.Parent;
SurfaceKhr surf = spock.GetSurface();
SurfaceCapabilitiesKhr surfCaps = phys.GetSurfaceCapabilitiesKhr(surf);
SurfaceFormatKhr [] surfFormats = phys.GetSurfaceFormatsKhr(surf);
PresentModeKhr [] presModes = phys.GetSurfacePresentModesKhr(surf);
if (surfFormats.Length <= 0 || presModes.Length <= 0)
{
Misc.SafeInvoke(eErrorSpam, "Bad formats or pres modes...");
return(false);
}
mSwapExtent = new Extent2D(extentX, extentY);
int imageCount = surfCaps.MinImageCount + 1;
if (surfCaps.MaxImageCount > 0 && imageCount > surfCaps.MaxImageCount)
{
imageCount = surfCaps.MaxImageCount;
}
SwapchainCreateInfoKhr scci = new SwapchainCreateInfoKhr(
surf, Format.B8G8R8A8UNorm, mSwapExtent,
imageCount, ColorSpaceKhr.SRgbNonlinear, 1,
ImageUsages.ColorAttachment);
scci.ImageSharingMode = SharingMode.Exclusive;
if (presModes.Contains(PresentModeKhr.Mailbox))
{
scci.PresentMode = PresentModeKhr.Mailbox;
}
mSwapChain = mLogical.CreateSwapchainKhr(scci);
if (mSwapChain == null)
{
Misc.SafeInvoke(eErrorSpam, "Create swap chain failed...");
return(false);
}
VulkanCore.Image [] chainImages = mSwapChain.GetImages();
mChainImageViews = new ImageView[chainImages.Length];
for (int i = 0; i < chainImages.Length; i++)
{
ImageSubresourceRange isr = new ImageSubresourceRange(
ImageAspects.Color, 0, 1, 0, 1);
ImageViewCreateInfo ivci = new ImageViewCreateInfo(
mSwapChain.Format, isr);
mChainImageViews[i] = chainImages[i].CreateView(ivci);
}
//descriptor pool stuff
DescriptorPoolSize dps = new DescriptorPoolSize(
DescriptorType.UniformBuffer, chainImages.Length);
DescriptorPoolCreateInfo dpci = new DescriptorPoolCreateInfo();
dpci.PoolSizes = new DescriptorPoolSize[] { dps };
dpci.MaxSets = chainImages.Length;
mDPool = mLogical.CreateDescriptorPool(dpci);
return(true);
}
void CreateDescriptorSet()
{
/*
* So we will allocate a descriptor set here.
* But we need to first create a descriptor pool to do that.
*/
/*
* Our descriptor pool can only allocate a single storage buffer.
*/
DescriptorPoolSize descriptorPoolSize = new DescriptorPoolSize()
{
Type = DescriptorType.StorageBuffer,// VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
DescriptorCount = 1
};
DescriptorPoolCreateInfo descriptorPoolCreateInfo = new DescriptorPoolCreateInfo()
{
MaxSets = 1, // we only need to allocate one descriptor set from the pool.
Flags = DescriptorPoolCreateFlags.FreeDescriptorSet,
PoolSizes = new[] { descriptorPoolSize }
};
// create descriptor pool.
descriptorPool = device.CreateDescriptorPool(descriptorPoolCreateInfo);
/*
* With the pool allocated, we can now allocate the descriptor set.
*/
DescriptorSetAllocateInfo descriptorSetAllocateInfo = new DescriptorSetAllocateInfo(1, descriptorSetLayout);
// allocate a single descriptor set.
// allocate descriptor set.
descriptorSet = descriptorPool.AllocateSets(descriptorSetAllocateInfo)[0];
/*
* Next, we need to connect our actual storage buffer with the descrptor.
* We use vkUpdateDescriptorSets() to update the descriptor set.
*/
// Specify the buffer to bind to the descriptor.
DescriptorBufferInfo descriptorBufferInfo = new DescriptorBufferInfo()
{
Buffer = buffer,
Offset = 0,
Range = bufferSize
};
WriteDescriptorSet writeDescriptorSet = new WriteDescriptorSet()
{
DstSet = descriptorSet, // write to this descriptor set.
DstBinding = 0, // write to the first, and only binding.
DstArrayElement = 0,
DescriptorCount = 1, // update a single descriptor.
DescriptorType = DescriptorType.StorageBuffer, // VK_DESCRIPTOR_TYPE_STORAGE_BUFFER; // storage buffer.
BufferInfo = new[] { descriptorBufferInfo }
};
// perform the update of the descriptor set.
WriteDescriptorSet[] k = { writeDescriptorSet };
descriptorPool.UpdateSets(k);
}
