public AmtDescriptorSetUpdateKey Add(uint binding)
{
var output = new AmtDescriptorSetUpdateKey {
};
mUpdates.Add(binding, output);
return(output);
}
void Initialise(
MgShaderStageFlagBits mask,
AmtDescriptorSetLayout setLayout,
IAmtDescriptorSetBindingLocator locator,
SortedList <uint, AmtPipelineLayoutBufferBinding> vertBuffers,
SortedList <uint, AmtPipelineLayoutTextureBinding> textures,
SortedList <uint, AmtPipelineLayoutSamplerBinding> samplers
)
{
for (var i = 0; i < setLayout.PipelineResources.Length; ++i)
{
var resource = setLayout.PipelineResources[i];
AmtDescriptorSetUpdateKey item = null;
if (locator != null)
{
if (!locator.TryGetValue(resource.Binding, out item))
{
item = locator.Add(resource.Binding);
}
}
if ((resource.Stage & mask) == mask)
{
switch (resource.DescriptorType)
{
case MgDescriptorType.COMBINED_IMAGE_SAMPLER:
case MgDescriptorType.SAMPLED_IMAGE:
var texture = new AmtPipelineLayoutTextureBinding
{
Binding = resource.Binding,
DescriptorType = resource.DescriptorType,
};
var sampler = new AmtPipelineLayoutSamplerBinding
{
Binding = resource.Binding,
DescriptorType = resource.DescriptorType,
};
if (locator != null)
{
var nextTextureIndex = (uint)textures.Count;
var nextSamplerIndex = (uint)samplers.Count;
item.SetCombinedSampler(mask, nextTextureIndex, nextSamplerIndex);
}
textures.Add(texture.Binding, texture);
samplers.Add(sampler.Binding, sampler);
break;
case MgDescriptorType.STORAGE_BUFFER:
case MgDescriptorType.STORAGE_BUFFER_DYNAMIC:
{
var sBuffer = new AmtPipelineLayoutBufferBinding
{
Binding = resource.Binding,
Category = AmtPipelineLayoutBufferBindingCategory.StorageBuffer,
DescriptorCount = resource.DescriptorCount,
};
if (locator != null)
{
var nextOffset = (uint)vertBuffers.Count;
item.SetBuffer(mask, nextOffset);
}
vertBuffers.Add(sBuffer.Binding, sBuffer);
}
break;
case MgDescriptorType.UNIFORM_BUFFER:
case MgDescriptorType.UNIFORM_BUFFER_DYNAMIC:
{
var vBuffer = new AmtPipelineLayoutBufferBinding
{
Binding = resource.Binding,
Category = AmtPipelineLayoutBufferBindingCategory.UniformBuffer,
DescriptorCount = resource.DescriptorCount,
};
if (locator != null)
{
var nextOffset = (uint)vertBuffers.Count;
item.SetBuffer(mask, nextOffset);
}
vertBuffers.Add(vBuffer.Binding, vBuffer);
}
break;
}
}
}
}
public bool TryGetValue(uint binding, out AmtDescriptorSetUpdateKey result)
{
return(mUpdates.TryGetValue(binding, out result));
}
