void setupDescriptorSetLayout()
{
var bindings = VkDescriptorSetLayoutBinding.Alloc(2);
{
// Binding 0 : Vertex shader uniform buffer
bindings[0].binding = 0;
bindings[0].descriptorType = VkDescriptorType.UniformBuffer;
bindings[0].descriptorCount = 1;
bindings[0].stageFlags = VkShaderStageFlagBits.Vertex;
// Binding 1 : Fragment shader image sampler
bindings[1].binding = 1;
bindings[1].descriptorType = VkDescriptorType.CombinedImageSampler;
bindings[1].descriptorCount = 1;
bindings[1].stageFlags = VkShaderStageFlagBits.Fragment;
}
{
var info = VkDescriptorSetLayoutCreateInfo.Alloc();
info[0].bindings.count = 2;
info[0].bindings.pointer = bindings;
VkDescriptorSetLayout layout;
vkCreateDescriptorSetLayout(device, info, null, &layout);
this.layout = layout;
}
{
VkDescriptorSetLayout layout = this.layout;
var info = VkPipelineLayoutCreateInfo.Alloc();
info[0].setLayouts = layout;
VkPipelineLayout pipelineLayout;
vkCreatePipelineLayout(device, info, null, &pipelineLayout);
this.pipelineLayout = pipelineLayout;
}
}
void setupDescriptorSetLayout()
{
// Binding 0 : Vertex shader uniform buffer
VkDescriptorSetLayoutBinding setLayoutBinding = new VkDescriptorSetLayoutBinding()
{
descriptorType = VkDescriptorType.UniformBuffer,
stageFlags = VkShaderStageFlags.Vertex,
binding = 0,
descriptorCount = 1
};
VkDescriptorSetLayoutCreateInfo descriptorLayout = VkDescriptorSetLayoutCreateInfo.New();
descriptorLayout.pBindings = &setLayoutBinding;
descriptorLayout.bindingCount = 1;
descriptorSetLayout.Count = 1;
Util.CheckResult(vkCreateDescriptorSetLayout(Device, &descriptorLayout, null, (VkDescriptorSetLayout *)descriptorSetLayout.GetAddress(0)));
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = VkPipelineLayoutCreateInfo.New();
pPipelineLayoutCreateInfo.setLayoutCount = 1;
pPipelineLayoutCreateInfo.pSetLayouts = (VkDescriptorSetLayout *)descriptorSetLayout.Data.ToPointer();
Util.CheckResult(vkCreatePipelineLayout(Device, &pPipelineLayoutCreateInfo, null, out pipelineLayout));
}
public VkShaderResourceBindingSlots(VkDevice device, ShaderResourceDescription[] resources)
{
Resources = resources;
VkDescriptorSetLayoutCreateInfo descriptorSetLayoutCI = VkDescriptorSetLayoutCreateInfo.New();
descriptorSetLayoutCI.bindingCount = (uint)resources.Length;
VkDescriptorSetLayoutBinding *bindings = stackalloc VkDescriptorSetLayoutBinding[resources.Length];
for (int i = 0; i < resources.Length; i++)
{
ShaderResourceDescription desc = resources[i];
bindings[i].binding = (uint)i;
bindings[i].descriptorType = MapDescriptorType(desc.Type);
bindings[i].descriptorCount = 1;
bindings[i].stageFlags = MapStageFlags(desc.Stages);
}
descriptorSetLayoutCI.pBindings = bindings;
vkCreateDescriptorSetLayout(device, ref descriptorSetLayoutCI, null, out VkDescriptorSetLayout descriptorSetLayout);
DescriptorSetLayout = descriptorSetLayout;
VkPipelineLayoutCreateInfo pipelineLayoutCI = VkPipelineLayoutCreateInfo.New();
pipelineLayoutCI.setLayoutCount = 1;
pipelineLayoutCI.pSetLayouts = &descriptorSetLayout;
VkResult result = vkCreatePipelineLayout(device, ref pipelineLayoutCI, null, out VkPipelineLayout layout);
CheckResult(result);
PipelineLayout = layout;
}
private static VkDescriptorSetLayout CreateDescriptorLayout(VkDevice device, uint textureCount)
{
VkDescriptorSetLayoutBinding samplerLayoutBinding = new VkDescriptorSetLayoutBinding();
samplerLayoutBinding.binding = 0;
samplerLayoutBinding.descriptorCount = textureCount;
samplerLayoutBinding.descriptorType = VkDescriptorType.CombinedImageSampler;
samplerLayoutBinding.pImmutableSamplers = null;
samplerLayoutBinding.stageFlags = VkShaderStageFlags.Fragment;
VkDescriptorSetLayoutBinding uboLayoutBinding = new VkDescriptorSetLayoutBinding();
uboLayoutBinding.binding = 1;
uboLayoutBinding.descriptorCount = 1;
uboLayoutBinding.descriptorType = VkDescriptorType.UniformBuffer;
uboLayoutBinding.stageFlags = VkShaderStageFlags.Vertex;
VkDescriptorSetLayoutBinding[] bindings = new VkDescriptorSetLayoutBinding[2];
bindings[0] = samplerLayoutBinding;
bindings[1] = uboLayoutBinding;
VkDescriptorSetLayoutCreateInfo layoutInfo = VkDescriptorSetLayoutCreateInfo.New();
layoutInfo.bindingCount = (uint)bindings.Length;
fixed(VkDescriptorSetLayoutBinding *ptr = bindings)
layoutInfo.pBindings = ptr;
VkDescriptorSetLayout descriptorSetLayout = VkDescriptorSetLayout.Null;
Assert(vkCreateDescriptorSetLayout(device, &layoutInfo, null, &descriptorSetLayout));
return(descriptorSetLayout);
}
void setupDescriptorSetLayout()
{
FixedArray2<VkDescriptorSetLayoutBinding> setLayoutBindings = new FixedArray2<VkDescriptorSetLayoutBinding>(
// Binding 0 : Vertex shader uniform buffer
Initializers.descriptorSetLayoutBinding(
VkDescriptorType.UniformBuffer,
VkShaderStageFlags.Vertex,
0),
// Binding 1 : Fragment shader image sampler
Initializers.descriptorSetLayoutBinding(
VkDescriptorType.CombinedImageSampler,
VkShaderStageFlags.Fragment,
1));
VkDescriptorSetLayoutCreateInfo descriptorLayout =
Initializers.descriptorSetLayoutCreateInfo(
&setLayoutBindings.First,
setLayoutBindings.Count);
Util.CheckResult(vkCreateDescriptorSetLayout(device, &descriptorLayout, null, out descriptorSetLayout));
var dsl = descriptorSetLayout;
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
Initializers.pipelineLayoutCreateInfo(
&dsl,
1);
Util.CheckResult(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, null, out pipelineLayout));
}
public VkResourceLayout(VkGraphicsDevice gd, ref ResourceLayoutDescription description)
{
_gd = gd;
VkDescriptorSetLayoutCreateInfo dslCI = VkDescriptorSetLayoutCreateInfo.New();
ResourceLayoutElementDescription[] elements = description.Elements;
_descriptorTypes = new VkDescriptorType[elements.Length];
VkDescriptorSetLayoutBinding *bindings = stackalloc VkDescriptorSetLayoutBinding[elements.Length];
for (uint i = 0; i < elements.Length; i++)
{
bindings[i].binding = i;
bindings[i].descriptorCount = 1;
VkDescriptorType descriptorType = VkFormats.VdToVkDescriptorType(elements[i].Kind);
bindings[i].descriptorType = descriptorType;
bindings[i].stageFlags = VkFormats.VdToVkShaderStages(elements[i].Stages);
_descriptorTypes[i] = descriptorType;
}
dslCI.bindingCount = (uint)elements.Length;
dslCI.pBindings = bindings;
VkResult result = vkCreateDescriptorSetLayout(_gd.Device, ref dslCI, null, out _dsl);
CheckResult(result);
}
void setupDescriptorSetLayout()
{
var bindings = new VkDescriptorSetLayoutBinding[] {
// layout (binding = 0) uniform UboView
new VkDescriptorSetLayoutBinding(0, VkDescriptorType.UniformBuffer, 1, VkShaderStageFlagBits.Vertex),
// layout (binding = 1) uniform UboInstance
new VkDescriptorSetLayoutBinding(1, VkDescriptorType.UniformBufferDynamic, 1, VkShaderStageFlagBits.Vertex),
// no matching uniform sampler2D in shader.
new VkDescriptorSetLayoutBinding(2, VkDescriptorType.CombinedImageSampler, 1, VkShaderStageFlagBits.Fragment),
};
var descriptorLayoutInfo = new VkDescriptorSetLayoutCreateInfo();
descriptorLayoutInfo.sType = DescriptorSetLayoutCreateInfo;
descriptorLayoutInfo.bindings = bindings;
VkDescriptorSetLayout layout;
vkCreateDescriptorSetLayout(device, &descriptorLayoutInfo, null, &layout);
this.descriptorSetLayout = layout;
VkPipelineLayoutCreateInfo info = new VkPipelineLayoutCreateInfo();
info.sType = PipelineLayoutCreateInfo;
info.setLayouts = layout;
VkPipelineLayout pipelineLayout;
vkCreatePipelineLayout(device, &info, null, &pipelineLayout);
this.pipelineLayout = pipelineLayout;
}
private VkDescriptorSetLayout CreateDescriptorSetLayout()
{
VkDescriptorSetLayoutBinding *bindings = stackalloc VkDescriptorSetLayoutBinding[2];
bindings[0] = new VkDescriptorSetLayoutBinding
{
binding = 0,
descriptorType = VkDescriptorType.UniformBuffer,
descriptorCount = 1,
stageFlags = VkShaderStageFlags.Vertex
};
bindings[1] = new VkDescriptorSetLayoutBinding
{
binding = 1,
descriptorType = VkDescriptorType.CombinedImageSampler,
descriptorCount = 1,
stageFlags = VkShaderStageFlags.Fragment
};
var createInfo = new VkDescriptorSetLayoutCreateInfo
{
sType = VkStructureType.DescriptorSetLayoutCreateInfo,
pNext = null,
bindingCount = 2,
pBindings = bindings
};
VkDescriptorSetLayout layout;
vkCreateDescriptorSetLayout(Context.Device, &createInfo, null, out layout).CheckResult();
return(layout);
}
/// <summary>
/// Builds the descriptor set layout
/// </summary>
/// <returns>The layout</returns>
public DescriptorSetLayout Build()
{
try
{
var bindings = _bindings.Values.ToArray();
unsafe
{
fixed(VkDescriptorSetLayoutBinding *pBindings = bindings)
{
var info = new VkDescriptorSetLayoutCreateInfo()
{
SType = VkStructureType.DescriptorSetLayoutCreateInfo,
PNext = IntPtr.Zero,
Flags = _flags,
BindingCount = (uint)bindings.Length,
PBindings = pBindings
};
return(new DescriptorSetLayout(_device, info));
}
}
}
finally
{
foreach (var pin in _pins)
{
pin.Free();
}
_pins.Clear();
}
}
VkDescriptorSetLayout CreateDescriptorSetLayout(VkDevice device)
{
/*
* layout (set = 0, binding = 0) uniform AreaUB
* {
* float width;
* float height;
* } area;
*/
var info = new VkDescriptorSetLayoutCreateInfo {
sType = VkStructureType.DescriptorSetLayoutCreateInfo
};
info.bindings = new VkDescriptorSetLayoutBinding(
binding: 0,
descriptorType: VkDescriptorType.UniformBuffer, // uniform
descriptorCount: 1, // single variable, not array.
stageFlags: VkShaderStageFlagBits.Vertex); // in a vertex shader.
//return device.CreateDescriptorSetLayout(ref info);
VkDescriptorSetLayout layout;
vkAPI.vkCreateDescriptorSetLayout(device, &info, null, &layout).Check();
info.Free();
return(layout);
}
internal static unsafe VkDescriptorSetLayout CreateNativeDescriptorSetLayout(GraphicsDevice device, IList <DescriptorSetLayoutBuilder.Entry> entries, out uint[] typeCounts)
{
var bindings = new VkDescriptorSetLayoutBinding[entries.Count];
var immutableSamplers = new VkSampler[entries.Count];
int usedBindingCount = 0;
typeCounts = new uint[DescriptorTypeCount];
fixed(VkSampler *immutableSamplersPointer = &immutableSamplers[0])
{
for (int i = 0; i < entries.Count; i++)
{
var entry = entries[i];
// TODO VULKAN: Special case for unused bindings in PipelineState. Handle more nicely.
if (entry.ArraySize == 0)
{
continue;
}
bindings[usedBindingCount] = new VkDescriptorSetLayoutBinding
{
descriptorType = VulkanConvertExtensions.ConvertDescriptorType(entry.Class, entry.Type),
stageFlags = VkShaderStageFlags.All, // TODO VULKAN: Filter?
binding = (uint)i,
descriptorCount = (uint)entry.ArraySize
};
if (entry.ImmutableSampler != null)
{
// TODO VULKAN: Handle immutable samplers for DescriptorCount > 1
if (entry.ArraySize > 1)
{
throw new NotImplementedException();
}
// Remember this, so we can choose the right VkDescriptorType in DescriptorSet.SetShaderResourceView
immutableSamplers[i] = entry.ImmutableSampler.NativeSampler;
//bindings[i].VkDescriptorType = VkDescriptorType.CombinedImageSampler;
bindings[usedBindingCount].pImmutableSamplers = immutableSamplersPointer + i;
}
typeCounts[(int)bindings[usedBindingCount].descriptorType] += bindings[usedBindingCount].descriptorCount;
usedBindingCount++;
}
var createInfo = new VkDescriptorSetLayoutCreateInfo
{
sType = VkStructureType.DescriptorSetLayoutCreateInfo,
bindingCount = (uint)usedBindingCount,
pBindings = usedBindingCount > 0 ? (VkDescriptorSetLayoutBinding *)Core.Interop.Fixed(bindings) : null,
};
vkCreateDescriptorSetLayout(device.NativeDevice, &createInfo, null, out var descriptorSetLayout);
return(descriptorSetLayout);
}
}
public VkDescriptorSetLayout CreateDescriptorSetLayout(VkDevice device, VkDescriptorSetLayoutBinding[] bindings)
{
VkDescriptorSetLayout layout = null;
var descriptorSetLayoutCreateInfo = new VkDescriptorSetLayoutCreateInfo();
descriptorSetLayoutCreateInfo.bindings = bindings;
VulkanAPI.vkCreateDescriptorSetLayout(device, ref descriptorSetLayoutCreateInfo, out layout);
m_descLayouts.Add(layout);
return(layout);
}
public static VkDescriptorSetLayoutCreateInfo descriptorSetLayoutCreateInfo(
VkDescriptorSetLayoutBinding *pBindings,
uint bindingCount)
{
VkDescriptorSetLayoutCreateInfo descriptorSetLayoutCreateInfo = VkDescriptorSetLayoutCreateInfo.New();
descriptorSetLayoutCreateInfo.pBindings = pBindings;
descriptorSetLayoutCreateInfo.bindingCount = bindingCount;
return(descriptorSetLayoutCreateInfo);
}
public override void Activate()
{
if (state != ActivableState.Activated)
{
VkDescriptorSetLayoutCreateInfo info = new VkDescriptorSetLayoutCreateInfo(Flags, (uint)Bindings.Count, Bindings.Pin());
Utils.CheckResult(vkCreateDescriptorSetLayout(Dev.VkDev, ref info, IntPtr.Zero, out handle));
Bindings.Unpin();
}
base.Activate();
}
private void PrepareDescriptor(VkDevice device)
{
// 定数バッファを１つだけ持つものを作る.
VkDescriptorPoolSize descriptorPoolSize = new VkDescriptorPoolSize()
{
descriptorCount = 1,
type = VkDescriptorType.VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
};
var descriptorPoolCreateInfo = new VkDescriptorPoolCreateInfo()
{
poolSizes = new[] { descriptorPoolSize },
maxSets = 1,
flags = VkDescriptorPoolCreateFlags.VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
};
VulkanAPI.vkCreateDescriptorPool(device, ref descriptorPoolCreateInfo, out m_descriptorPool);
// ディスクリプタセットレイアウトの作成.
// 今は定数バッファを１つ持つだけのものを作成.
var descriptorLayoutBinding = new VkDescriptorSetLayoutBinding();
descriptorLayoutBinding.binding = 0;
descriptorLayoutBinding.descriptorCount = 1;
descriptorLayoutBinding.descriptorType = VkDescriptorType.VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorLayoutBinding.stageFlags = VkShaderStageFlagBits.VK_SHADER_STAGE_VERTEX_BIT;
var descriptorSetLayoutCreateInfo = new VkDescriptorSetLayoutCreateInfo();
descriptorSetLayoutCreateInfo.bindings = new[] { descriptorLayoutBinding };
VulkanAPI.vkCreateDescriptorSetLayout(device, ref descriptorSetLayoutCreateInfo, out m_descriptorSetLayout);
// ディスクリプタセットを作成.
VkDescriptorSet[] descriptorSets;
var descriptorSetAllocateInfo = new VkDescriptorSetAllocateInfo(m_descriptorPool, new[] { m_descriptorSetLayout });
VulkanAPI.vkAllocateDescriptorSets(device, ref descriptorSetAllocateInfo, out descriptorSets);
m_descriptorSet = descriptorSets[0];
// ディスクリプタを更新.
// 定数バッファ１つを持つレイアウトでディスクリプタを作る.
VkDescriptorBufferInfo descUniformBufferInfo = new VkDescriptorBufferInfo();
descUniformBufferInfo.buffer = m_uniformBuffer;
descUniformBufferInfo.range = Marshal.SizeOf <Transform>();
var descriptor = new VkWriteDescriptorSet();
descriptor.descriptorCount = 1;
descriptor.descriptorType = VkDescriptorType.VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptor.pBufferInfo = new[] { descUniformBufferInfo };
descriptor.dstBinding = 0;
descriptor.dstSet = m_descriptorSet;
VulkanAPI.vkUpdateDescriptorSets(device, new[] { descriptor }, null);
}
public DescriptorSetLayout(Device dev, VkDescriptorSetLayoutCreateInfo info)
{
Device = dev;
_descriptorData = new Dictionary <uint, DescriptorData>((int)info.BindingCount);
unsafe
{
for (var i = 0; i < info.BindingCount; i++)
{
_descriptorData.Add(info.PBindings[i].Binding, new DescriptorData(info.PBindings[i]));
}
Handle = dev.Handle.CreateDescriptorSetLayout(&info, dev.Instance.AllocationCallbacks);
}
}
public SoftwareDescriptorSet(SoftwareDescriptorPool descriptorPool, SoftwareDescriptorSetLayout layout)
{
this.m_descriptorPool = descriptorPool;
this.m_descriptorSetLayout = layout;
this.m_createInfo = layout.m_createInfo;
m_Bindings = new VkDescriptorSetLayoutBinding[m_createInfo.bindingCount];
m_BufferInfo = new VkDescriptorBufferInfo[m_createInfo.bindingCount];
m_ImageInfo = new VkDescriptorImageInfo[m_createInfo.bindingCount];
for (int i = 0; i < m_createInfo.bindingCount; i++)
{
m_Bindings[i] = m_createInfo.pBindings[i];
}
}
void CreateDescriptorSetLayout()
{
var uboLayoutBinding = new VkDescriptorSetLayoutBinding();
uboLayoutBinding.binding = 0;
uboLayoutBinding.descriptorType = VkDescriptorType.UniformBuffer;
uboLayoutBinding.descriptorCount = 1;
uboLayoutBinding.stageFlags = VkShaderStageFlags.VertexBit;
var info = new VkDescriptorSetLayoutCreateInfo();
info.bindings = new List <VkDescriptorSetLayoutBinding> {
uboLayoutBinding
};
descriptorSetLayout = new VkDescriptorSetLayout(device, info);
}
void CreateDescriptorSetLayout(DescriptorSetLayoutCreateInfo mInfo)
{
var info = new VkDescriptorSetLayoutCreateInfo();
info.sType = VkStructureType.DescriptorSetLayoutCreateInfo;
var bindingsMarshalled = new MarshalledArray <VkDescriptorSetLayoutBinding>(mInfo.bindings);
info.bindingCount = (uint)bindingsMarshalled.Count;
info.pBindings = bindingsMarshalled.Address;
using (bindingsMarshalled) {
var result = Device.Commands.createDescriptorSetLayout(Device.Native, ref info, Device.Instance.AllocationCallbacks, out descriptorSetLayout);
if (result != VkResult.Success)
{
throw new DescriptorSetLayoutException(string.Format("Error creating description set layout: {0}", result));
}
}
}
void setupDescriptorSetLayout()
{
VkDescriptorSetLayoutBinding setLayoutBindings =
// Binding 0 : Vertex shader uniform buffer
Initializers.descriptorSetLayoutBinding(
VkDescriptorType.UniformBuffer,
VkShaderStageFlags.Vertex,
0);
VkDescriptorSetLayoutCreateInfo descriptorLayout =
Initializers.descriptorSetLayoutCreateInfo(
&setLayoutBindings,
1);
Util.CheckResult(vkCreateDescriptorSetLayout(device, &descriptorLayout, null, out descriptorSetLayout));
var dsl = descriptorSetLayout;
VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo =
Initializers.pipelineLayoutCreateInfo(
&dsl,
1);
// Define push constant
// Example uses six light positions as push constants
// 6 * 4 * 4 = 96 bytes
// Spec requires a minimum of 128 bytes, bigger values
// need to be checked against maxPushConstantsSize
// But even at only 128 bytes, lots of stuff can fit
// inside push constants
VkPushConstantRange pushConstantRange =
Initializers.pushConstantRange(
VkShaderStageFlags.Vertex,
pushConstants.Count * (uint)sizeof(Vector4),
0);
// Push constant ranges are part of the pipeline layout
pipelineLayoutCreateInfo.pushConstantRangeCount = 1;
pipelineLayoutCreateInfo.pPushConstantRanges = &pushConstantRange;
Util.CheckResult(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, null, out pipelineLayout));
}
void setupDescriptorSetLayout()
{
FixedArray2 <VkDescriptorSetLayoutBinding> setLayoutBindings = new FixedArray2 <VkDescriptorSetLayoutBinding>(
Initializers.descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0),
Initializers.descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1));
VkDescriptorSetLayoutCreateInfo descriptorLayout =
Initializers.descriptorSetLayoutCreateInfo(
&setLayoutBindings.First,
setLayoutBindings.Count);
Util.CheckResult(vkCreateDescriptorSetLayout(device, &descriptorLayout, null, out descriptorSetLayout));
var dsl = descriptorSetLayout;
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
Initializers.pipelineLayoutCreateInfo(
&dsl,
1);
Util.CheckResult(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, null, out pipelineLayout));
}
public unsafe DescriptorLayout(Device device, List <DescriptorBindingInfo> bindings)
{
_device = device;
_bindings = bindings;
var vulkanBindings = new NativeList <VkDescriptorSetLayoutBinding>();
foreach (var binding in bindings)
{
vulkanBindings.Add(new VkDescriptorSetLayoutBinding
{
binding = binding.Index,
descriptorType = binding.DescriptorType,
descriptorCount = binding.DescriptorCounts,
stageFlags = binding.ShaderStageFlags
});
}
var createInfo = new VkDescriptorSetLayoutCreateInfo
{
sType = VkStructureType.DescriptorSetLayoutCreateInfo,
bindingCount = vulkanBindings.Count,
pBindings = (VkDescriptorSetLayoutBinding *)vulkanBindings.Data.ToPointer()
};
VkDescriptorSetLayout layout;
if (VulkanNative.vkCreateDescriptorSetLayout(
device.Handle,
&createInfo,
null,
&layout
) != VkResult.Success)
{
throw new Exception("failed to create descriptor set layout");
}
_handle = layout;
}
public unsafe DescriptorSetLayout Build()
{
if (!needRebuild)
{
return(this);
}
needRebuild = false;
Destroy(true);
bindings = new VkDescriptorSetLayoutBinding[Bindings.Count];
for (int i = 0; i < Bindings.Count; i++)
{
bindings[i] = new VkDescriptorSetLayoutBinding
{
descriptorType = Bindings[i].descriptorType,
stageFlags = Bindings[i].stageFlags,
binding = Bindings[i].binding,
descriptorCount = Bindings[i].descriptorCount
};
}
var descriptorSetLayoutCreateInfo = new VkDescriptorSetLayoutCreateInfo
{
sType = VkStructureType.DescriptorSetLayoutCreateInfo
};
descriptorSetLayoutCreateInfo.pBindings = (VkDescriptorSetLayoutBinding *)Utilities.AsPointer(ref bindings[0]);
descriptorSetLayoutCreateInfo.bindingCount = (uint)bindings.Length;
descriptorSetLayout = Device.CreateDescriptorSetLayout(ref descriptorSetLayoutCreateInfo);
descriptorResourceCounts = new DescriptorResourceCounts();
foreach (var binding in bindings)
{
int index = binding.descriptorType switch
{
void setupDescriptorSetLayout()
{
var bindings = new VkDescriptorSetLayoutBinding[2];
// Binding 0 : Vertex shader uniform buffer
bindings[0] = new VkDescriptorSetLayoutBinding();
bindings[0].descriptorType = VkDescriptorType.UniformBuffer;
bindings[0].stageFlags = VkShaderStageFlagBits.Vertex;
bindings[0].binding = 0;
bindings[0].descriptorCount = 1;
// Binding 1 : Fragment shader combined sampler
bindings[1] = new VkDescriptorSetLayoutBinding();
bindings[1].descriptorType = VkDescriptorType.CombinedImageSampler;
bindings[1].stageFlags = VkShaderStageFlagBits.Fragment;
bindings[1].binding = 1;
bindings[1].descriptorCount = 1;
var descriptorLayout = VkDescriptorSetLayoutCreateInfo.Alloc();
descriptorLayout->bindings = bindings;
VkDescriptorSetLayout dsl;
vkCreateDescriptorSetLayout(device, descriptorLayout, null, &dsl);
this.descriptorSetLayout = dsl;
var info = new VkPipelineLayoutCreateInfo();
info.sType = PipelineLayoutCreateInfo;
info.setLayouts = dsl;
{
VkPipelineLayout layout;
vkCreatePipelineLayout(device, &info, null, &layout);
this.pipelineLayout = layout;
}
}
public static extern VkResult CreateDescriptorSetLayout(
VkDevice device,
ref VkDescriptorSetLayoutCreateInfo pCreateInfo,
IntPtr pAllocator,
out VkDescriptorSetLayout pSetLayout
);
public VkResourceLayout(VkGraphicsDevice gd, ref ResourceLayoutDescription description)
: base(ref description)
{
_gd = gd;
VkDescriptorSetLayoutCreateInfo dslCI = VkDescriptorSetLayoutCreateInfo.New();
ResourceLayoutElementDescription[] elements = description.Elements;
_descriptorTypes = new VkDescriptorType[elements.Length];
VkDescriptorSetLayoutBinding *bindings = stackalloc VkDescriptorSetLayoutBinding[elements.Length];
uint uniformBufferCount = 0;
uint sampledImageCount = 0;
uint samplerCount = 0;
uint storageBufferCount = 0;
uint storageImageCount = 0;
for (uint i = 0; i < elements.Length; i++)
{
bindings[i].binding = i;
bindings[i].descriptorCount = 1;
VkDescriptorType descriptorType = VkFormats.VdToVkDescriptorType(elements[i].Kind, elements[i].Options);
bindings[i].descriptorType = descriptorType;
bindings[i].stageFlags = VkFormats.VdToVkShaderStages(elements[i].Stages);
if ((elements[i].Options & ResourceLayoutElementOptions.DynamicBinding) != 0)
{
DynamicBufferCount += 1;
}
_descriptorTypes[i] = descriptorType;
switch (descriptorType)
{
case VkDescriptorType.Sampler:
samplerCount += 1;
break;
case VkDescriptorType.SampledImage:
sampledImageCount += 1;
break;
case VkDescriptorType.StorageImage:
storageImageCount += 1;
break;
case VkDescriptorType.UniformBuffer:
uniformBufferCount += 1;
break;
case VkDescriptorType.StorageBuffer:
storageBufferCount += 1;
break;
}
}
DescriptorResourceCounts = new DescriptorResourceCounts(
uniformBufferCount,
sampledImageCount,
samplerCount,
storageBufferCount,
storageImageCount);
dslCI.bindingCount = (uint)elements.Length;
dslCI.pBindings = bindings;
VkResult result = vkCreateDescriptorSetLayout(_gd.Device, ref dslCI, null, out _dsl);
CheckResult(result);
}
private VkDescriptorSetLayout CreateVulkanDescriptorSetLayout()
{
VkDescriptorSetLayout vulkanDescriptorSetLayout;
var descriptorSetLayoutBindings = Array.Empty <VkDescriptorSetLayoutBinding>();
var descriptorSetLayoutCreateInfo = new VkDescriptorSetLayoutCreateInfo {
sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
};
var resources = Resources;
var resourcesLength = resources.Length;
var descriptorSetLayoutBindingsIndex = 0;
if (resourcesLength != 0)
{
descriptorSetLayoutBindings = new VkDescriptorSetLayoutBinding[resourcesLength];
for (var resourceIndex = 0; resourceIndex < resourcesLength; resourceIndex++)
{
var resource = resources[resourceIndex];
switch (resource.Kind)
{
case GraphicsPipelineResourceKind.ConstantBuffer:
{
var stageFlags = GetVulkanShaderStageFlags(resource.ShaderVisibility);
descriptorSetLayoutBindings[descriptorSetLayoutBindingsIndex] = new VkDescriptorSetLayoutBinding {
binding = unchecked ((uint)descriptorSetLayoutBindingsIndex),
descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
descriptorCount = 1,
stageFlags = stageFlags,
};
descriptorSetLayoutBindingsIndex++;
break;
}
case GraphicsPipelineResourceKind.Texture:
{
var stageFlags = GetVulkanShaderStageFlags(resource.ShaderVisibility);
descriptorSetLayoutBindings[descriptorSetLayoutBindingsIndex] = new VkDescriptorSetLayoutBinding {
binding = unchecked ((uint)descriptorSetLayoutBindingsIndex),
descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
descriptorCount = 1,
stageFlags = stageFlags,
};
descriptorSetLayoutBindingsIndex++;
break;
}
default:
{
break;
}
}
}
fixed(VkDescriptorSetLayoutBinding *pDescriptorSetLayoutBindings = descriptorSetLayoutBindings)
{
descriptorSetLayoutCreateInfo.bindingCount = unchecked ((uint)descriptorSetLayoutBindings.Length);
descriptorSetLayoutCreateInfo.pBindings = pDescriptorSetLayoutBindings;
ThrowExternalExceptionIfNotSuccess(vkCreateDescriptorSetLayout(Device.VulkanDevice, &descriptorSetLayoutCreateInfo, pAllocator: null, (ulong *)&vulkanDescriptorSetLayout), nameof(vkCreateDescriptorSetLayout));
}
}
else
{
vulkanDescriptorSetLayout = VK_NULL_HANDLE;
}
return(vulkanDescriptorSetLayout);
public SoftwareDescriptorSetLayout(SoftwareDevice device, VkDescriptorSetLayoutCreateInfo createInfo)
{
this.m_device = device;
this.m_createInfo = createInfo;
}
public override VkResult CreateDescriptorSetLayout(VkDescriptorSetLayoutCreateInfo pCreateInfo, out VkDescriptorSetLayout pSetLayout)
{
throw new NotImplementedException();
}
public abstract VkResult CreateDescriptorSetLayout(VkDescriptorSetLayoutCreateInfo pCreateInfo, out VkDescriptorSetLayout pSetLayout);