public static unsafe bool UpdateMaterial(RenderSystem renderSystem, RenderDrawContext context, MaterialInfoBase materialInfo, int materialSlotIndex, RenderEffect renderEffect, ParameterCollection materialParameters)
{
var resourceGroupDescription = renderEffect.Reflection.ResourceGroupDescriptions[materialSlotIndex];
if (resourceGroupDescription.DescriptorSetLayout == null)
{
return(false);
}
// Check if this material was encountered for the first time this frame and mark it as used
if (Interlocked.Exchange(ref materialInfo.LastFrameUsed, renderSystem.FrameCounter) == renderSystem.FrameCounter)
{
return(true);
}
// First time we use the material with a valid effect, let's update layouts
if (materialInfo.PerMaterialLayout == null || materialInfo.PerMaterialLayout.Hash != renderEffect.Reflection.ResourceGroupDescriptions[materialSlotIndex].Hash)
{
materialInfo.PerMaterialLayout = ResourceGroupLayout.New(renderSystem.GraphicsDevice, resourceGroupDescription, renderEffect.Effect.Bytecode);
var parameterCollectionLayout = materialInfo.ParameterCollectionLayout = new ParameterCollectionLayout();
parameterCollectionLayout.ProcessResources(resourceGroupDescription.DescriptorSetLayout);
materialInfo.ResourceCount = parameterCollectionLayout.ResourceCount;
// Process material cbuffer (if any)
if (resourceGroupDescription.ConstantBufferReflection != null)
{
materialInfo.ConstantBufferReflection = resourceGroupDescription.ConstantBufferReflection;
parameterCollectionLayout.ProcessConstantBuffer(resourceGroupDescription.ConstantBufferReflection);
}
materialInfo.ParametersChanged = true;
}
// If the parameters collection instance changed, we need to update it
if (materialInfo.ParametersChanged)
{
materialInfo.ParameterCollection.UpdateLayout(materialInfo.ParameterCollectionLayout);
materialInfo.ParameterCollectionCopier = new ParameterCollection.Copier(materialInfo.ParameterCollection, materialParameters);
materialInfo.ParametersChanged = false;
}
// Copy back to ParameterCollection
// TODO GRAPHICS REFACTOR directly copy to resource group?
materialInfo.ParameterCollectionCopier.Copy();
// Allocate resource groups
context.ResourceGroupAllocator.PrepareResourceGroup(materialInfo.PerMaterialLayout, BufferPoolAllocationType.UsedMultipleTime, materialInfo.Resources);
// Set resource bindings in PerMaterial resource set
for (int resourceSlot = 0; resourceSlot < materialInfo.ResourceCount; ++resourceSlot)
{
materialInfo.Resources.DescriptorSet.SetValue(resourceSlot, materialInfo.ParameterCollection.ObjectValues[resourceSlot]);
}
// Process PerMaterial cbuffer
if (materialInfo.ConstantBufferReflection != null)
{
var mappedCB = materialInfo.Resources.ConstantBuffer.Data;
fixed(byte *dataValues = materialInfo.ParameterCollection.DataValues)
Utilities.CopyMemory(mappedCB, (IntPtr)dataValues, materialInfo.Resources.ConstantBuffer.Size);
}
return(true);
}
public static unsafe bool UpdateMaterial(RenderSystem renderSystem, RenderDrawContext context, MaterialInfoBase materialInfo, int materialSlotIndex, RenderEffect renderEffect, ParameterCollection materialParameters)
{
// Check if encountered first time this frame
if (materialInfo.LastFrameUsed == renderSystem.FrameCounter)
return true;
// First time we use the material with a valid effect, let's update layouts
if (materialInfo.PerMaterialLayout == null || materialInfo.PerMaterialLayout.Hash != renderEffect.Reflection.ResourceGroupDescriptions[materialSlotIndex].Hash)
{
var resourceGroupDescription = renderEffect.Reflection.ResourceGroupDescriptions[materialSlotIndex];
if (resourceGroupDescription.DescriptorSetLayout == null)
return false;
materialInfo.PerMaterialLayout = ResourceGroupLayout.New(renderSystem.GraphicsDevice, resourceGroupDescription, renderEffect.Effect.Bytecode);
var parameterCollectionLayout = materialInfo.ParameterCollectionLayout = new ParameterCollectionLayout();
parameterCollectionLayout.ProcessResources(resourceGroupDescription.DescriptorSetLayout);
materialInfo.ResourceCount = parameterCollectionLayout.ResourceCount;
// Process material cbuffer (if any)
if (resourceGroupDescription.ConstantBufferReflection != null)
{
materialInfo.ConstantBufferReflection = resourceGroupDescription.ConstantBufferReflection;
parameterCollectionLayout.ProcessConstantBuffer(resourceGroupDescription.ConstantBufferReflection);
}
materialInfo.ParametersChanged = true;
}
// If the parameters collection instance changed, we need to update it
if (materialInfo.ParametersChanged)
{
materialInfo.ParameterCollection.UpdateLayout(materialInfo.ParameterCollectionLayout);
materialInfo.ParameterCollectionCopier = new ParameterCollection.Copier(materialInfo.ParameterCollection, materialParameters);
materialInfo.ParametersChanged = false;
}
// Mark this material as used during this frame
materialInfo.LastFrameUsed = renderSystem.FrameCounter;
// Copy back to ParameterCollection
// TODO GRAPHICS REFACTOR directly copy to resource group?
materialInfo.ParameterCollectionCopier.Copy();
// Allocate resource groups
context.ResourceGroupAllocator.PrepareResourceGroup(materialInfo.PerMaterialLayout, BufferPoolAllocationType.UsedMultipleTime, materialInfo.Resources);
// Set resource bindings in PerMaterial resource set
for (int resourceSlot = 0; resourceSlot < materialInfo.ResourceCount; ++resourceSlot)
{
materialInfo.Resources.DescriptorSet.SetValue(resourceSlot, materialInfo.ParameterCollection.ObjectValues[resourceSlot]);
}
// Process PerMaterial cbuffer
if (materialInfo.ConstantBufferReflection != null)
{
var mappedCB = materialInfo.Resources.ConstantBuffer.Data;
fixed (byte* dataValues = materialInfo.ParameterCollection.DataValues)
Utilities.CopyMemory(mappedCB, (IntPtr)dataValues, materialInfo.Resources.ConstantBuffer.Size);
}
return true;
}
