private void CreateDescriptors()
{
int bindingCount = Inputs.Count + 1; // + 1 output.
// Setup bindings.
var bindings = new DescriptorSetLayoutBinding[bindingCount];
for (int i = 0; i < Inputs.Count; i++)
{
bindings[i] = Inputs[i].GetDescriptorSetLayoutBinding(i);
}
bindings[Inputs.Count] = Output.GetDescriptorSetLayoutBinding(Inputs.Count);
_descriptorSetLayout = Device.Logical.CreateDescriptorSetLayout(new DescriptorSetLayoutCreateInfo(bindings));
var descriptorPoolCreateInfo = new DescriptorPoolCreateInfo(
1,
new[] { new DescriptorPoolSize(DescriptorType.StorageBuffer, bindingCount) });
_descriptorPool = Device.Logical.CreateDescriptorPool(descriptorPoolCreateInfo);
_descriptorSet = _descriptorPool.AllocateSets(new DescriptorSetAllocateInfo(1, _descriptorSetLayout))[0];
// Setup write descriptors.
var writeDescriptorSets = new WriteDescriptorSet[bindingCount];
for (int i = 0; i < Inputs.Count; i++)
{
writeDescriptorSets[i] = Inputs[i].GetWriteDescriptorSet(_descriptorSet, i);
}
writeDescriptorSets[Inputs.Count] = Output.GetWriteDescriptorSet(_descriptorSet, Inputs.Count);
_descriptorPool.UpdateSets(writeDescriptorSets);
}
void CreateDescriptorSetLayout()
{
/*
* Here we specify a descriptor set layout. This allows us to bind our descriptors to
* resources in the shader.
*/
/*
* Here we specify a binding of type VK_DESCRIPTOR_TYPE_STORAGE_BUFFER to the binding point
* 0. This binds to
* layout(std140, binding = 0) buffer buf
* in the compute shader.
*/
DescriptorSetLayoutBinding descriptorSetLayoutBinding = new DescriptorSetLayoutBinding()
{
Binding = 0, // binding = 0
DescriptorType = DescriptorType.StorageBuffer, // VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
DescriptorCount = 1,
StageFlags = ShaderStages.Compute // VK_SHADER_STAGE_COMPUTE_BIT;
};
DescriptorSetLayoutCreateInfo descriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo();
// descriptorSetLayoutCreateInfo.bindingCount = 1; // only a single binding in this descriptor set layout.
DescriptorSetLayoutBinding[] temp = { descriptorSetLayoutBinding };
descriptorSetLayoutCreateInfo.Bindings = temp;
// Create the descriptor set layout.
descriptorSetLayout = device.CreateDescriptorSetLayout(descriptorSetLayoutCreateInfo);
}
private DescriptorSetLayout[] CreateDescriptorSetLayouts()
{
DescriptorSetLayoutBinding binding = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.ShaderStageVertexBit
};
DescriptorSetLayoutCreateInfo createInfo = new DescriptorSetLayoutCreateInfo
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
BindingCount = 1,
PBindings = &binding
};
DescriptorSetLayout layout;
var res = VkApi.CreateDescriptorSetLayout(this.Device, &createInfo, null, &layout);
if (res != Result.Success)
{
throw new VMASharp.VulkanResultException("Failed to create Descriptor Set Layout!", res);
}
return(new[] { layout });
}
protected override void CreateDescriptorSetLayout()
{
var uboLayoutBinding = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
ImmutableSamplers = null,
StageFlags = ShaderStageFlags.Vertex
};
var samplerLayoutBinding = new DescriptorSetLayoutBinding
{
Binding = 1,
DescriptorCount = 1,
DescriptorType = DescriptorType.CombinedImageSampler,
ImmutableSamplers = null,
StageFlags = ShaderStageFlags.Fragment
};
var bindings = new[] { uboLayoutBinding, samplerLayoutBinding };
var layoutInfo = new DescriptorSetLayoutCreateInfo
{
BindingCount = (uint)bindings.Length,
Bindings = bindings,
};
descriptorSetLayout = device.CreateDescriptorSetLayout(layoutInfo);
}
protected override unsafe DescriptorSetLayout[] CreateDescriptorSetLayouts(VulkanGraphicsDevice gd, Device device, out PipelineLayout layout)
{
DescriptorSetLayoutBinding uLayoutBindings = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.ShaderStageVertexBit
};
DescriptorSetLayoutBinding tLayoutBindings = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorType = DescriptorType.CombinedImageSampler,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.ShaderStageFragmentBit
};
DescriptorSetLayout[] layouts = new DescriptorSetLayout[3];
var uDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = &uLayoutBindings,
BindingCount = 1
};
var sDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
BindingCount = 0
};
var tDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = &tLayoutBindings,
BindingCount = 1
};
gd.Api.CreateDescriptorSetLayout(device, uDescriptorSetLayoutCreateInfo, null, out layouts[0]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, sDescriptorSetLayoutCreateInfo, null, out layouts[1]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, tDescriptorSetLayoutCreateInfo, null, out layouts[2]).ThrowOnError();
fixed(DescriptorSetLayout *pLayouts = layouts)
{
var pipelineLayoutCreateInfo = new PipelineLayoutCreateInfo()
{
SType = StructureType.PipelineLayoutCreateInfo,
PSetLayouts = pLayouts,
SetLayoutCount = 3
};
gd.Api.CreatePipelineLayout(device, &pipelineLayoutCreateInfo, null, out layout).ThrowOnError();
}
return(layouts);
}
internal static unsafe SharpVulkan.DescriptorSetLayout CreateNativeDescriptorSetLayout(GraphicsDevice device, IList <DescriptorSetLayoutBuilder.Entry> entries, out uint[] typeCounts)
{
var bindings = new DescriptorSetLayoutBinding[entries.Count];
var immutableSamplers = new Sampler[entries.Count];
int usedBindingCount = 0;
typeCounts = new uint[DescriptorTypeCount];
fixed(Sampler *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 DescriptorSetLayoutBinding
{
DescriptorType = VulkanConvertExtensions.ConvertDescriptorType(entry.Class, entry.Type),
StageFlags = ShaderStageFlags.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 DescriptorType in DescriptorSet.SetShaderResourceView
immutableSamplers[i] = entry.ImmutableSampler.NativeSampler;
//bindings[i].DescriptorType = DescriptorType.CombinedImageSampler;
bindings[usedBindingCount].ImmutableSamplers = new IntPtr(immutableSamplersPointer + i);
}
typeCounts[(int)bindings[usedBindingCount].DescriptorType] += bindings[usedBindingCount].DescriptorCount;
usedBindingCount++;
}
var createInfo = new DescriptorSetLayoutCreateInfo
{
StructureType = StructureType.DescriptorSetLayoutCreateInfo,
BindingCount = (uint)usedBindingCount,
Bindings = usedBindingCount > 0 ? new IntPtr(Interop.Fixed(bindings)) : IntPtr.Zero
};
return(device.NativeDevice.CreateDescriptorSetLayout(ref createInfo));
}
}
internal static unsafe SharpVulkan.DescriptorSetLayout CreateNativeDescriptorSetLayout(GraphicsDevice device, IList<DescriptorSetLayoutBuilder.Entry> entries, out uint[] typeCounts)
{
var bindings = new DescriptorSetLayoutBinding[entries.Count];
var immutableSamplers = new Sampler[entries.Count];
int usedBindingCount = 0;
typeCounts = new uint[DescriptorTypeCount];
fixed (Sampler* 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 DescriptorSetLayoutBinding
{
DescriptorType = VulkanConvertExtensions.ConvertDescriptorType(entry.Class, entry.Type),
StageFlags = ShaderStageFlags.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 DescriptorType in DescriptorSet.SetShaderResourceView
immutableSamplers[i] = entry.ImmutableSampler.NativeSampler;
//bindings[i].DescriptorType = DescriptorType.CombinedImageSampler;
bindings[usedBindingCount].ImmutableSamplers = new IntPtr(immutableSamplersPointer + i);
}
typeCounts[(int)bindings[usedBindingCount].DescriptorType] += bindings[usedBindingCount].DescriptorCount;
usedBindingCount++;
}
var createInfo = new DescriptorSetLayoutCreateInfo
{
StructureType = StructureType.DescriptorSetLayoutCreateInfo,
BindingCount = (uint)usedBindingCount,
Bindings = usedBindingCount > 0 ? new IntPtr(Interop.Fixed(bindings)) : IntPtr.Zero
};
return device.NativeDevice.CreateDescriptorSetLayout(ref createInfo);
}
}
DescriptorSetLayout CreateDescriptorSetLayout()
{
var layoutBinding = new DescriptorSetLayoutBinding {
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.Vertex
};
var descriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo {
Bindings = new DescriptorSetLayoutBinding [] { layoutBinding }
};
return(device.CreateDescriptorSetLayout(descriptorSetLayoutCreateInfo));
}
private void CreateDescriptorSetLayout()
{
var uboLayoutBinding = new DescriptorSetLayoutBinding()
{
Binding = 0,
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.Vertex,
};
var layoutInfo = new DescriptorSetLayoutCreateInfo()
{
BindingCount = 1,
Bindings = new DescriptorSetLayoutBinding[] { uboLayoutBinding },
};
vkDescriptorSetLayout = vkDevice.CreateDescriptorSetLayout(layoutInfo);
}
private static DescriptorSetLayout CreateLayout(
Device logicalDevice, ReadOnlySpan <IShaderInput> inputs)
{
var bindings = new DescriptorSetLayoutBinding[inputs.Length];
for (int i = 0; i < bindings.Length; i++)
{
bindings[i] = new DescriptorSetLayoutBinding(
binding: i,
descriptorType: inputs[i].DescriptorType,
descriptorCount: 1,
//NOTE: At the moment all resources are bound in both the vertex and the fragment
//shader, this is the most user friendly setup. Need to do some profiling to
//see if this is hurting the performance
stageFlags: ShaderStages.Vertex | ShaderStages.Fragment);
}
return(logicalDevice.CreateDescriptorSetLayout(new DescriptorSetLayoutCreateInfo(
bindings)));
}
public DescriptorSetLayout GetDescriptorSetLayout()
{
List <DescriptorSetLayoutBinding> myBindings = new List <DescriptorSetLayoutBinding>();
foreach (var A in myBindingNumberToItems)
{
var Item = new DescriptorSetLayoutBinding();
Item.DescriptorType = (DescriptorType)A.Value.myType;
Item.StageFlags = A.Value.ShaderStage;
Item.DescriptorCount = A.Value.DescriptorCount;
Item.Binding = A.Value.Binding;
myBindings.Add(Item);
}
var descriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo
{
Bindings = myBindings.ToArray()
};
return(new DescriptorSetLayout(VulkanRenderer.SelectedLogicalDevice, descriptorSetLayoutCreateInfo));
}
public void CreateDescriptorLayout()
{
DescriptorSetLayoutBinding dslb = new DescriptorSetLayoutBinding();
dslb.Binding = 0;
dslb.DescriptorType = DescriptorType.UniformBuffer;
dslb.DescriptorCount = 1;
dslb.StageFlags = ShaderStages.Vertex;
DescriptorSetLayoutCreateInfo dslci = new DescriptorSetLayoutCreateInfo();
dslci.Bindings = new DescriptorSetLayoutBinding[] { dslb };
mDSLs = new DescriptorSetLayout[mChainImageViews.Length];
for (int i = 0; i < mChainImageViews.Length; i++)
{
mDSLs[i] = mLogical.CreateDescriptorSetLayout(dslci);
}
}
public static DescriptorSetLayout CreateDescriptorSetLayout(Graphics g, DescriptorItem[] items)
{
var bindings = new DescriptorSetLayoutBinding[items.Length];
for (var i = 0; i < items.Length; i++)
{
var item = items[i];
bindings[i] = new DescriptorSetLayoutBinding(
i,
item.Type == DescriptorItem.DescriptorType.UniformBuffer ? DescriptorType.UniformBuffer :
item.Type == DescriptorItem.DescriptorType.CombinedImageSampler ? DescriptorType.CombinedImageSampler :
DescriptorType.UniformBuffer,
item.Count,
item.Shader == DescriptorItem.ShaderType.Vertex ? ShaderStages.Vertex :
item.Shader == DescriptorItem.ShaderType.Fragment ? ShaderStages.Fragment :
ShaderStages.All
);
}
return(g.Context.Device.CreateDescriptorSetLayout(new DescriptorSetLayoutCreateInfo(bindings)));
}
public DescriptorSetLayout(Device selectedDevice)
{
AllocationCallbacks pAllocator = null;
this.selectedDevice = selectedDevice;
var layoutBinding = new DescriptorSetLayoutBinding
{
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.Vertex
};
var descriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo
{
Bindings = new DescriptorSetLayoutBinding[] { layoutBinding }
};
Result result;
//DescriptorSetLayout pSetLayout;
unsafe
{
//pSetLayout = new DescriptorSetLayout();
fixed(UInt64 *ptrpSetLayout = &this.m)
{
result = Interop.NativeMethods.vkCreateDescriptorSetLayout(selectedDevice.Handle, descriptorSetLayoutCreateInfo != null ? descriptorSetLayoutCreateInfo.m : (Interop.DescriptorSetLayoutCreateInfo *) default(IntPtr), pAllocator != null ? pAllocator.m : null, ptrpSetLayout);
}
if (result != Result.Success)
{
throw new ResultException(result);
}
}
}
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 static unsafe DescriptorSetLayout[] Create(VulkanGraphicsDevice gd, Device device, uint stages, out PipelineLayout layout)
{
int stagesCount = BitOperations.PopCount(stages);
int uCount = Constants.MaxUniformBuffersPerStage * stagesCount + 1;
int tCount = Constants.MaxTexturesPerStage * stagesCount;
int iCount = Constants.MaxImagesPerStage * stagesCount;
int bTCount = tCount;
int bICount = iCount;
DescriptorSetLayoutBinding *uLayoutBindings = stackalloc DescriptorSetLayoutBinding[uCount];
DescriptorSetLayoutBinding *sLayoutBindings = stackalloc DescriptorSetLayoutBinding[stagesCount];
DescriptorSetLayoutBinding *tLayoutBindings = stackalloc DescriptorSetLayoutBinding[tCount];
DescriptorSetLayoutBinding *iLayoutBindings = stackalloc DescriptorSetLayoutBinding[iCount];
DescriptorSetLayoutBinding *bTLayoutBindings = stackalloc DescriptorSetLayoutBinding[bTCount];
DescriptorSetLayoutBinding *bILayoutBindings = stackalloc DescriptorSetLayoutBinding[bICount];
uLayoutBindings[0] = new DescriptorSetLayoutBinding
{
Binding = 0,
DescriptorType = DescriptorType.UniformBuffer,
DescriptorCount = 1,
StageFlags = ShaderStageFlags.ShaderStageFragmentBit | ShaderStageFlags.ShaderStageComputeBit
};
int iter = 0;
while (stages != 0)
{
int stage = BitOperations.TrailingZeroCount(stages);
stages &= ~(1u << stage);
var stageFlags = stage switch
{
1 => ShaderStageFlags.ShaderStageFragmentBit,
2 => ShaderStageFlags.ShaderStageGeometryBit,
3 => ShaderStageFlags.ShaderStageTessellationControlBit,
4 => ShaderStageFlags.ShaderStageTessellationEvaluationBit,
_ => ShaderStageFlags.ShaderStageVertexBit | ShaderStageFlags.ShaderStageComputeBit
};
void Set(DescriptorSetLayoutBinding *bindings, int maxPerStage, DescriptorType type, int start = 0)
{
for (int i = 0; i < maxPerStage; i++)
{
bindings[start + iter * maxPerStage + i] = new DescriptorSetLayoutBinding
{
Binding = (uint)(start + stage * maxPerStage + i),
DescriptorType = type,
DescriptorCount = 1,
StageFlags = stageFlags
};
}
}
void SetStorage(DescriptorSetLayoutBinding *bindings, int maxPerStage, int start = 0)
{
bindings[start + iter] = new DescriptorSetLayoutBinding
{
Binding = (uint)(start + stage * maxPerStage),
DescriptorType = DescriptorType.StorageBuffer,
DescriptorCount = (uint)maxPerStage,
StageFlags = stageFlags
};
}
Set(uLayoutBindings, Constants.MaxUniformBuffersPerStage, DescriptorType.UniformBuffer, 1);
SetStorage(sLayoutBindings, Constants.MaxStorageBuffersPerStage);
Set(tLayoutBindings, Constants.MaxTexturesPerStage, DescriptorType.CombinedImageSampler);
Set(iLayoutBindings, Constants.MaxImagesPerStage, DescriptorType.StorageImage);
Set(bTLayoutBindings, Constants.MaxTexturesPerStage, DescriptorType.UniformTexelBuffer);
Set(bILayoutBindings, Constants.MaxImagesPerStage, DescriptorType.StorageTexelBuffer);
iter++;
}
DescriptorSetLayout[] layouts = new DescriptorSetLayout[PipelineFull.DescriptorSetLayouts];
var uDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = uLayoutBindings,
BindingCount = (uint)uCount
};
var sDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = sLayoutBindings,
BindingCount = (uint)stagesCount
};
var tDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = tLayoutBindings,
BindingCount = (uint)tCount
};
var iDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = iLayoutBindings,
BindingCount = (uint)iCount
};
var bTDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = bTLayoutBindings,
BindingCount = (uint)bTCount
};
var bIDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = bILayoutBindings,
BindingCount = (uint)bICount
};
gd.Api.CreateDescriptorSetLayout(device, uDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.UniformSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, sDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.StorageSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, tDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.TextureSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, iDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.ImageSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, bTDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.BufferTextureSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, bIDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.BufferImageSetIndex]).ThrowOnError();
fixed(DescriptorSetLayout *pLayouts = layouts)
{
var pipelineLayoutCreateInfo = new PipelineLayoutCreateInfo()
{
SType = StructureType.PipelineLayoutCreateInfo,
PSetLayouts = pLayouts,
SetLayoutCount = PipelineFull.DescriptorSetLayouts
};
gd.Api.CreatePipelineLayout(device, &pipelineLayoutCreateInfo, null, out layout).ThrowOnError();
}
return(layouts);
}
}
public static unsafe DescriptorSetLayout[] CreateMinimal(VulkanRenderer gd, Device device, ShaderSource[] shaders, out PipelineLayout layout)
{
int stagesCount = shaders.Length;
int uCount = 0;
int tCount = 0;
int iCount = 0;
foreach (var shader in shaders)
{
uCount += shader.Bindings.UniformBufferBindings.Count;
tCount += shader.Bindings.TextureBindings.Count;
iCount += shader.Bindings.ImageBindings.Count;
}
DescriptorSetLayoutBinding *uLayoutBindings = stackalloc DescriptorSetLayoutBinding[uCount];
DescriptorSetLayoutBinding *sLayoutBindings = stackalloc DescriptorSetLayoutBinding[stagesCount];
DescriptorSetLayoutBinding *tLayoutBindings = stackalloc DescriptorSetLayoutBinding[tCount];
DescriptorSetLayoutBinding *iLayoutBindings = stackalloc DescriptorSetLayoutBinding[iCount];
int uIndex = 0;
int sIndex = 0;
int tIndex = 0;
int iIndex = 0;
foreach (var shader in shaders)
{
var stageFlags = shader.Stage.Convert();
void Set(DescriptorSetLayoutBinding *bindings, DescriptorType type, ref int start, IEnumerable <int> bds)
{
foreach (var b in bds)
{
bindings[start++] = new DescriptorSetLayoutBinding
{
Binding = (uint)b,
DescriptorType = type,
DescriptorCount = 1,
StageFlags = stageFlags
};
}
}
void SetStorage(DescriptorSetLayoutBinding *bindings, ref int start, int count)
{
bindings[start++] = new DescriptorSetLayoutBinding
{
Binding = (uint)start,
DescriptorType = DescriptorType.StorageBuffer,
DescriptorCount = (uint)count,
StageFlags = stageFlags
};
}
// TODO: Support buffer textures and images here.
// This is only used for the helper shaders on the backend, and we don't use buffer textures on them
// so far, so it's not really necessary right now.
Set(uLayoutBindings, DescriptorType.UniformBuffer, ref uIndex, shader.Bindings.UniformBufferBindings);
SetStorage(sLayoutBindings, ref sIndex, shader.Bindings.StorageBufferBindings.Count);
Set(tLayoutBindings, DescriptorType.CombinedImageSampler, ref tIndex, shader.Bindings.TextureBindings);
Set(iLayoutBindings, DescriptorType.StorageImage, ref iIndex, shader.Bindings.ImageBindings);
}
DescriptorSetLayout[] layouts = new DescriptorSetLayout[PipelineFull.DescriptorSetLayouts];
var uDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = uLayoutBindings,
BindingCount = (uint)uCount
};
var sDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = sLayoutBindings,
BindingCount = (uint)stagesCount
};
var tDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = tLayoutBindings,
BindingCount = (uint)tCount
};
var iDescriptorSetLayoutCreateInfo = new DescriptorSetLayoutCreateInfo()
{
SType = StructureType.DescriptorSetLayoutCreateInfo,
PBindings = iLayoutBindings,
BindingCount = (uint)iCount
};
gd.Api.CreateDescriptorSetLayout(device, uDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.UniformSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, sDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.StorageSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, tDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.TextureSetIndex]).ThrowOnError();
gd.Api.CreateDescriptorSetLayout(device, iDescriptorSetLayoutCreateInfo, null, out layouts[PipelineFull.ImageSetIndex]).ThrowOnError();
fixed(DescriptorSetLayout *pLayouts = layouts)
{
var pipelineLayoutCreateInfo = new PipelineLayoutCreateInfo()
{
SType = StructureType.PipelineLayoutCreateInfo,
PSetLayouts = pLayouts,
SetLayoutCount = PipelineFull.DescriptorSetLayouts
};
gd.Api.CreatePipelineLayout(device, &pipelineLayoutCreateInfo, null, out layout).ThrowOnError();
}
return(layouts);
}
