public VkResourceSet(VkGraphicsDevice gd, ref ResourceSetDescription description)
: base(ref description)
{
_gd = gd;
VkResourceLayout vkLayout = Util.AssertSubtype <ResourceLayout, VkResourceLayout>(description.Layout);
VkDescriptorSetLayout dsl = vkLayout.DescriptorSetLayout;
_descriptorCounts = vkLayout.DescriptorResourceCounts;
_descriptorAllocationToken = _gd.DescriptorPoolManager.Allocate(_descriptorCounts, dsl);
BindableResource[] boundResources = description.BoundResources;
uint descriptorWriteCount = (uint)boundResources.Length;
VkWriteDescriptorSet * descriptorWrites = stackalloc VkWriteDescriptorSet[(int)descriptorWriteCount];
VkDescriptorBufferInfo *bufferInfos = stackalloc VkDescriptorBufferInfo[(int)descriptorWriteCount];
VkDescriptorImageInfo * imageInfos = stackalloc VkDescriptorImageInfo[(int)descriptorWriteCount];
for (int i = 0; i < descriptorWriteCount; i++)
{
VkDescriptorType type = vkLayout.DescriptorTypes[i];
descriptorWrites[i].sType = VkStructureType.WriteDescriptorSet;
descriptorWrites[i].descriptorCount = 1;
descriptorWrites[i].descriptorType = type;
descriptorWrites[i].dstBinding = (uint)i;
descriptorWrites[i].dstSet = _descriptorAllocationToken.Set;
if (type == VkDescriptorType.UniformBuffer || type == VkDescriptorType.StorageBuffer)
{
VkBuffer vkBuffer = Util.AssertSubtype <BindableResource, VkBuffer>(boundResources[i]);
bufferInfos[i].buffer = vkBuffer.DeviceBuffer;
bufferInfos[i].range = vkBuffer.SizeInBytes;
descriptorWrites[i].pBufferInfo = &bufferInfos[i];
}
else if (type == VkDescriptorType.SampledImage)
{
VkTextureView textureView = Util.AssertSubtype <BindableResource, VkTextureView>(boundResources[i]);
imageInfos[i].imageView = textureView.ImageView;
imageInfos[i].imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
descriptorWrites[i].pImageInfo = &imageInfos[i];
}
else if (type == VkDescriptorType.StorageImage)
{
VkTextureView textureView = Util.AssertSubtype <BindableResource, VkTextureView>(boundResources[i]);
imageInfos[i].imageView = textureView.ImageView;
imageInfos[i].imageLayout = VkImageLayout.General;
descriptorWrites[i].pImageInfo = &imageInfos[i];
}
else if (type == VkDescriptorType.Sampler)
{
VkSampler sampler = Util.AssertSubtype <BindableResource, VkSampler>(boundResources[i]);
imageInfos[i].sampler = sampler.DeviceSampler;
descriptorWrites[i].pImageInfo = &imageInfos[i];
}
}
vkUpdateDescriptorSets(_gd.Device, descriptorWriteCount, descriptorWrites, 0, null);
}
public void Free(DescriptorAllocationToken token, DescriptorResourceCounts counts)
{
lock (_lock)
{
foreach (PoolInfo poolInfo in _pools)
{
if (poolInfo.Pool == token.Pool)
{
poolInfo.Free(_gd.Device, token, counts);
}
}
}
}
internal void Free(VkDevice device, DescriptorAllocationToken token, DescriptorResourceCounts counts)
{
VkDescriptorSet set = token.Set;
vkFreeDescriptorSets(device, Pool, 1, ref set);
RemainingSets += 1;
UniformBufferCount += counts.UniformBufferCount;
SampledImageCount += counts.SampledImageCount;
SamplerCount += counts.SamplerCount;
StorageBufferCount += counts.StorageBufferCount;
StorageImageCount += counts.StorageImageCount;
}
public VkResourceSet(VkGraphicsDevice gd, ref ResourceSetDescription description)
: base(ref description)
{
_gd = gd;
RefCount = new ResourceRefCount(DisposeCore);
VkResourceLayout vkLayout = Util.AssertSubtype <ResourceLayout, VkResourceLayout>(description.Layout);
VkDescriptorSetLayout dsl = vkLayout.DescriptorSetLayout;
_descriptorCounts = vkLayout.DescriptorResourceCounts;
_descriptorAllocationToken = _gd.DescriptorPoolManager.Allocate(_descriptorCounts, dsl);
BindableResource[] boundResources = description.BoundResources;
uint descriptorWriteCount = (uint)boundResources.Length;
VkWriteDescriptorSet * descriptorWrites = stackalloc VkWriteDescriptorSet[(int)descriptorWriteCount];
VkDescriptorBufferInfo *bufferInfos = stackalloc VkDescriptorBufferInfo[(int)descriptorWriteCount];
VkDescriptorImageInfo * imageInfos = stackalloc VkDescriptorImageInfo[(int)descriptorWriteCount];
for (int i = 0; i < descriptorWriteCount; i++)
{
VkDescriptorType type = vkLayout.DescriptorTypes[i];
descriptorWrites[i].sType = VkStructureType.WriteDescriptorSet;
descriptorWrites[i].descriptorCount = 1;
descriptorWrites[i].descriptorType = type;
descriptorWrites[i].dstBinding = (uint)i;
descriptorWrites[i].dstSet = _descriptorAllocationToken.Set;
if (type == VkDescriptorType.UniformBuffer || type == VkDescriptorType.UniformBufferDynamic ||
type == VkDescriptorType.StorageBuffer || type == VkDescriptorType.StorageBufferDynamic)
{
DeviceBufferRange range = Util.GetBufferRange(boundResources[i], 0);
VkBuffer rangedVkBuffer = Util.AssertSubtype <DeviceBuffer, VkBuffer>(range.Buffer);
bufferInfos[i].buffer = rangedVkBuffer.DeviceBuffer;
bufferInfos[i].offset = range.Offset;
bufferInfos[i].range = range.SizeInBytes;
descriptorWrites[i].pBufferInfo = &bufferInfos[i];
_refCounts.Add(rangedVkBuffer.RefCount);
}
else if (type == VkDescriptorType.SampledImage)
{
TextureView texView = Util.GetTextureView(_gd, boundResources[i]);
VkTextureView vkTexView = Util.AssertSubtype <TextureView, VkTextureView>(texView);
imageInfos[i].imageView = vkTexView.ImageView;
imageInfos[i].imageLayout = VkImageLayout.ShaderReadOnlyOptimal;
descriptorWrites[i].pImageInfo = &imageInfos[i];
_sampledTextures.Add(Util.AssertSubtype <Texture, VkTexture>(texView.Target));
_refCounts.Add(vkTexView.RefCount);
}
else if (type == VkDescriptorType.StorageImage)
{
TextureView texView = Util.GetTextureView(_gd, boundResources[i]);
VkTextureView vkTexView = Util.AssertSubtype <TextureView, VkTextureView>(texView);
imageInfos[i].imageView = vkTexView.ImageView;
imageInfos[i].imageLayout = VkImageLayout.General;
descriptorWrites[i].pImageInfo = &imageInfos[i];
_storageImages.Add(Util.AssertSubtype <Texture, VkTexture>(texView.Target));
_refCounts.Add(vkTexView.RefCount);
}
else if (type == VkDescriptorType.Sampler)
{
VkSampler sampler = Util.AssertSubtype <BindableResource, VkSampler>(boundResources[i]);
imageInfos[i].sampler = sampler.DeviceSampler;
descriptorWrites[i].pImageInfo = &imageInfos[i];
_refCounts.Add(sampler.RefCount);
}
}
vkUpdateDescriptorSets(_gd.Device, descriptorWriteCount, descriptorWrites, 0, null);
}