public AmtPipelineLayoutStageResource(
MgShaderStageFlagBits mask,
AmtDescriptorSetLayout setLayout,
IAmtDescriptorSetBindingLocator locator)
{
var vertBuffers = new SortedList <uint, AmtPipelineLayoutBufferBinding>();
var textures = new SortedList <uint, AmtPipelineLayoutTextureBinding>();
var samplers = new SortedList <uint, AmtPipelineLayoutSamplerBinding>();
Stage = mask;
Initialise(mask, setLayout, locator, vertBuffers, textures, samplers);
ConvertToArrays(vertBuffers, textures, samplers);
}
public void Initialize(AmtDescriptorSetLayout layout)
{
// TODO : create a dictionary to find which location to bind
//PipelineResources = layout.PipelineResources;
var computeResources = new AmtPipelineLayoutStageResource(MgShaderStageFlagBits.COMPUTE_BIT, layout, Locator);
Compute = new AmtDescriptorSetBindingMap(computeResources);
var vertResources = new AmtPipelineLayoutStageResource(MgShaderStageFlagBits.VERTEX_BIT, layout, Locator);
Vertex = new AmtDescriptorSetBindingMap(vertResources);
var fragResources = new AmtPipelineLayoutStageResource(MgShaderStageFlagBits.FRAGMENT_BIT, layout, Locator);
Fragment = new AmtDescriptorSetBindingMap(fragResources);
}
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 Result CreateDescriptorSetLayout(MgDescriptorSetLayoutCreateInfo pCreateInfo, IMgAllocationCallbacks allocator, out IMgDescriptorSetLayout pSetLayout)
{
pSetLayout = new AmtDescriptorSetLayout(pCreateInfo);
return(Result.SUCCESS);
}