uint BindStorageBuffer(IGLDescriptorSet ds, GLDescriptorPoolResourceInfo resource, uint[] dynamicOffsets, uint offsetIndex)
{
IGLNextDescriptorPool parentPool = ds.Parent;
Debug.Assert(parentPool != null);
// BIND SSBOS
if (resource.DescriptorCount > 1)
{
throw new InvalidOperationException("Mg.GL : only one storage buffer per a binding allowed.");
}
for (var i = resource.Ticket.First; i <= resource.Ticket.Last; i += 1)
{
var buffer = parentPool.StorageBuffers.Items[i];
var offset = buffer.Offset;
// WHAT ABOUT THE DYNAMIC OFFSET
if (buffer.IsDynamic)
{
offset += AdjustOffset(dynamicOffsets, ref offsetIndex);
}
mEntrypoint.BindStorageBuffer(
resource.Binding,
buffer.BufferId,
new IntPtr(offset),
new IntPtr(buffer.Size));
}
return(offsetIndex);
}
public void Clear()
{
IsInvalid = false;
BoundPipelineLayout = null;
BoundDynamicOffsets = null;
BoundDescriptorSet = null;
}
public bool Equals(IGLDescriptorSet other)
{
if (other == null)
{
return(false);
}
if (!ReferenceEquals(Parent, other.Parent))
{
return(false);
}
return(Key == other.Key);
}
void BindCombinedSampler(IGLDescriptorSet ds, GLDescriptorPoolResourceInfo resource)
{
IGLNextDescriptorPool parentPool = ds.Parent;
Debug.Assert(parentPool != null);
for (var i = resource.Ticket.First; i <= resource.Ticket.Last; i += 1)
{
var image = parentPool.CombinedImageSamplers.Items[i];
if (image.SamplerHandle.HasValue)
{
mEntrypoint.BindCombinedImageSampler(ProgramID, (int)resource.Binding, image.SamplerHandle.Value);
}
}
}
uint BindUniformBuffer(IGLDescriptorSet ds, GLDescriptorPoolResourceInfo resource, uint[] dynamicOffsets, uint offsetIndex)
{
// do diff
if (BoundPipelineLayout != null)
{
IGLNextDescriptorPool parentPool = ds.Parent;
Debug.Assert(parentPool != null);
// for each active uniform block
var uniformGroup = BoundPipelineLayout.Ranges[(int)resource.Binding];
var srcIndex = resource.Ticket.First;
var dstIndex = uniformGroup.First;
for (var j = 0; j < resource.DescriptorCount; j += 1)
{
var buffer = parentPool.UniformBuffers.Items[srcIndex];
mUniformBuffers[dstIndex] = buffer.BufferId;
var offset = buffer.Offset;
// WHAT DYNAMIC
if (buffer.IsDynamic)
{
offset += AdjustOffset(dynamicOffsets, ref offsetIndex);
}
mUniformOffsets[dstIndex] = new IntPtr(offset);
mUniformSizes[dstIndex] = new IntPtr(buffer.Size);
srcIndex += 1;
dstIndex += 1;
}
return(offsetIndex);
}
else
{
return(offsetIndex);
}
}
public bool TryTake(out IGLDescriptorSet result)
{
return(mAvailableSets.TryTake(out result));
}
public bool TryTake(out IGLDescriptorSet result)
{
result = CurrentDescriptorSet;
return(true);
}
public void Clear()
{
BoundPipelineLayout = null;
BoundDynamicOffsets = null;
BoundDescriptorSet = null;
}
public bool Equals(IGLDescriptorSet other)
{
return(ReferenceEquals(this, other));
}