public void Allocate(GraphicsDevice graphicsDevice, int size, BufferPoolAllocationType type, ref BufferPoolAllocationResult bufferPoolAllocationResult)
{
var result = bufferAllocationOffset;
bufferAllocationOffset += size;
if (bufferAllocationOffset > Size)
{
throw new InvalidOperationException();
}
// TODO: We only implemented the D3D11/ES 2.0 compatibility mode
// Need to write code to take advantage of cbuffer offsets later
bufferPoolAllocationResult.Data = Data + result;
bufferPoolAllocationResult.Size = size;
bufferPoolAllocationResult.Uploaded = false;
if (type == BufferPoolAllocationType.UsedMultipleTime)
{
if (bufferPoolAllocationResult.Buffer == null || bufferPoolAllocationResult.Buffer.SizeInBytes != size)
{
// Release old buffer in case size changed
if (bufferPoolAllocationResult.Buffer != null)
{
bufferPoolAllocationResult.Buffer.Dispose();
}
bufferPoolAllocationResult.Buffer = Buffer.Constant.New(graphicsDevice, size);
}
}
}
public void Allocate(GraphicsDevice graphicsDevice, int size, BufferPoolAllocationType type, ref BufferPoolAllocationResult bufferPoolAllocationResult)
{
var result = bufferAllocationOffset;
bufferAllocationOffset += size;
// Align next allocation
// Note: total Size should be a multiple of alignment, so that CanAllocate() and Allocate() Size check matches
bufferAllocationOffset = (bufferAllocationOffset + constantBufferAlignment - 1) / constantBufferAlignment * constantBufferAlignment;
if (bufferAllocationOffset > Size)
{
throw new InvalidOperationException();
}
// Map (if needed)
#pragma warning disable 162
if (UseBufferOffsets && mappedConstantBuffer.Resource == null)
{
Map(commandList);
}
#pragma warning restore 162
bufferPoolAllocationResult.Data = Data + result;
bufferPoolAllocationResult.Size = size;
#pragma warning disable 162
if (UseBufferOffsets)
{
bufferPoolAllocationResult.Uploaded = true;
bufferPoolAllocationResult.Offset = result;
bufferPoolAllocationResult.Buffer = constantBuffer;
}
else
{
bufferPoolAllocationResult.Uploaded = false;
if (type == BufferPoolAllocationType.UsedMultipleTime)
{
if (bufferPoolAllocationResult.Buffer == null || bufferPoolAllocationResult.Buffer.SizeInBytes != size)
{
// Release old buffer in case size changed
if (bufferPoolAllocationResult.Buffer != null)
{
bufferPoolAllocationResult.Buffer.Dispose();
}
bufferPoolAllocationResult.Buffer = Buffer.Constant.New(graphicsDevice, size, graphicsDevice.Features.HasResourceRenaming ? GraphicsResourceUsage.Dynamic : GraphicsResourceUsage.Default);
//bufferPoolAllocationResult.Buffer = Buffer.New(graphicsDevice, size, BufferFlags.ConstantBuffer);
}
}
}
#pragma warning restore 162
}
public void PrepareResourceGroup(ResourceGroupLayout resourceGroupLayout, BufferPoolAllocationType constantBufferAllocationType, ResourceGroup resourceGroup)
{
if (resourceGroup == null)
{
throw new InvalidOperationException();
}
resourceGroup.DescriptorSet = DescriptorSet.New(graphicsDevice, currentDescriptorPool, resourceGroupLayout.DescriptorSetLayout);
if (!resourceGroup.DescriptorSet.IsValid)
{
SetupNextDescriptorPool();
resourceGroup.DescriptorSet = DescriptorSet.New(graphicsDevice, currentDescriptorPool, resourceGroupLayout.DescriptorSetLayout);
}
if (resourceGroupLayout.ConstantBufferSize > 0)
{
if (currentBufferPool == null || !currentBufferPool.CanAllocate(resourceGroupLayout.ConstantBufferSize))
{
SetupNextBufferPool();
}
currentBufferPool.Allocate(graphicsDevice, resourceGroupLayout.ConstantBufferSize, constantBufferAllocationType, ref resourceGroup.ConstantBuffer);
}
}
public void Allocate(GraphicsDevice graphicsDevice, int size, BufferPoolAllocationType type, ref BufferPoolAllocationResult bufferPoolAllocationResult)
{
var result = bufferAllocationOffset;
bufferAllocationOffset += size;
// Align next allocation
// Note: total Size should be a multiple of alignment, so that CanAllocate() and Allocate() Size check matches
bufferAllocationOffset = (bufferAllocationOffset + constantBufferAlignment - 1) / constantBufferAlignment * constantBufferAlignment;
if (bufferAllocationOffset > Size)
throw new InvalidOperationException();
// Map (if needed)
if (useBufferOffsets && mappedConstantBuffer.Resource == null)
Map(commandList);
bufferPoolAllocationResult.Data = Data + result;
bufferPoolAllocationResult.Size = size;
if (useBufferOffsets)
{
bufferPoolAllocationResult.Uploaded = true;
bufferPoolAllocationResult.Offset = result;
bufferPoolAllocationResult.Buffer = constantBuffer;
}
else
{
bufferPoolAllocationResult.Uploaded = false;
if (type == BufferPoolAllocationType.UsedMultipleTime)
{
if (bufferPoolAllocationResult.Buffer == null || bufferPoolAllocationResult.Buffer.SizeInBytes != size)
{
// Release old buffer in case size changed
if (bufferPoolAllocationResult.Buffer != null)
bufferPoolAllocationResult.Buffer.Dispose();
bufferPoolAllocationResult.Buffer = Buffer.Constant.New(graphicsDevice, size, graphicsDevice.Features.HasResourceRenaming ? GraphicsResourceUsage.Dynamic : GraphicsResourceUsage.Default);
//bufferPoolAllocationResult.Buffer = Buffer.New(graphicsDevice, size, BufferFlags.ConstantBuffer);
}
}
}
}
public void PrepareResourceGroup(ResourceGroupLayout resourceGroupLayout, BufferPoolAllocationType constantBufferAllocationType, ResourceGroup resourceGroup)
{
if (resourceGroup == null)
throw new InvalidOperationException();
resourceGroup.DescriptorSet = DescriptorSet.New(graphicsDevice, currentDescriptorPool, resourceGroupLayout.DescriptorSetLayout);
if (!resourceGroup.DescriptorSet.IsValid)
{
SetupNextDescriptorPool();
resourceGroup.DescriptorSet = DescriptorSet.New(graphicsDevice, currentDescriptorPool, resourceGroupLayout.DescriptorSetLayout);
}
if (resourceGroupLayout.ConstantBufferSize > 0)
{
if (currentBufferPool == null || !currentBufferPool.CanAllocate(resourceGroupLayout.ConstantBufferSize))
{
SetupNextBufferPool();
}
currentBufferPool.Allocate(graphicsDevice, resourceGroupLayout.ConstantBufferSize, constantBufferAllocationType, ref resourceGroup.ConstantBuffer);
}
}
