public void ApplyPerObjectInput(ConstantBufferDataProvider dataProvider)
{
if (_perObjectBufferBindings.Length != 1)
{
throw new InvalidOperationException(
"ApplyPerObjectInput can only be used when a material has exactly one per-object input.");
}
PerObjectConstantBufferBinding binding = _perObjectBufferBindings[0];
dataProvider.SetData(binding.ConstantBuffer);
}
public void Apply()
{
foreach (GlobalConstantBufferBinding cbBinding in _constantBufferBindings)
{
cbBinding.UpdateBuffer();
cbBinding.BindToShaderSlots(_device.ImmediateContext);
}
for (int i = 0; i < _perObjectBufferBindings.Length; i++)
{
PerObjectConstantBufferBinding binding = _perObjectBufferBindings[i];
binding.BindToShaderSlots(_device.ImmediateContext);
}
}
public void ApplyPerObjectInputs(ConstantBufferDataProvider[] dataProviders)
{
if (_perObjectBufferBindings.Length != dataProviders.Length)
{
throw new InvalidOperationException(
"dataProviders must contain the exact number of per-object buffer bindings used in the material.");
}
for (int i = 0; i < _perObjectBufferBindings.Length; i++)
{
PerObjectConstantBufferBinding binding = _perObjectBufferBindings[i];
ConstantBufferDataProvider provider = dataProviders[i];
provider.SetData(binding.ConstantBuffer);
}
}
public D3DShaderConstantBindings(
RenderContext rc,
Device device,
ShaderSet shaderSet,
MaterialInputs <MaterialGlobalInputElement> globalInputs,
MaterialInputs <MaterialPerObjectInputElement> perObjectInputs)
{
_device = device;
ShaderReflection vsReflection = new ShaderReflection(((D3DVertexShader)shaderSet.VertexShader).Bytecode.Data);
ShaderReflection psReflection = new ShaderReflection(((D3DFragmentShader)shaderSet.FragmentShader).Bytecode.Data);
ShaderReflection gsReflection = null;
if (shaderSet.GeometryShader != null)
{
gsReflection = new ShaderReflection(((D3DGeometryShader)shaderSet.GeometryShader).Bytecode.Data);
}
int numGlobalElements = globalInputs.Elements.Length;
_constantBufferBindings =
(numGlobalElements > 0)
? new GlobalConstantBufferBinding[numGlobalElements]
: Array.Empty <GlobalConstantBufferBinding>();
for (int i = 0; i < numGlobalElements; i++)
{
var genericElement = globalInputs.Elements[i];
BufferProviderPair pair;
GlobalConstantBufferBinding cbb;
bool isVsBuffer = DoesConstantBufferExist(vsReflection, i, genericElement.Name);
bool isPsBuffer = DoesConstantBufferExist(psReflection, i, genericElement.Name);
bool isGsBuffer = false;
if (gsReflection != null)
{
isGsBuffer = DoesConstantBufferExist(gsReflection, i, genericElement.Name);
}
if (genericElement.UseGlobalNamedBuffer)
{
pair = rc.GetNamedGlobalBufferProviderPair(genericElement.GlobalProviderName);
cbb = new GlobalConstantBufferBinding(i, pair, false, isVsBuffer, isGsBuffer, isPsBuffer);
}
else
{
D3DConstantBuffer constantBuffer = new D3DConstantBuffer(device, genericElement.DataProvider.DataSizeInBytes);
pair = new BufferProviderPair(constantBuffer, genericElement.DataProvider);
cbb = new GlobalConstantBufferBinding(i, pair, true, isVsBuffer, isGsBuffer, isPsBuffer);
}
_constantBufferBindings[i] = cbb;
}
int numPerObjectInputs = perObjectInputs.Elements.Length;
_perObjectBufferBindings =
(numPerObjectInputs > 0)
? new PerObjectConstantBufferBinding[numPerObjectInputs]
: Array.Empty <PerObjectConstantBufferBinding>();
for (int i = 0; i < numPerObjectInputs; i++)
{
var genericElement = perObjectInputs.Elements[i];
int bufferSlot = i + numGlobalElements;
bool isVsBuffer = DoesConstantBufferExist(vsReflection, bufferSlot, genericElement.Name);
bool isPsBuffer = DoesConstantBufferExist(psReflection, bufferSlot, genericElement.Name);
bool isGsBuffer = false;
if (gsReflection != null)
{
isGsBuffer = DoesConstantBufferExist(gsReflection, bufferSlot, genericElement.Name);
}
D3DConstantBuffer constantBuffer = new D3DConstantBuffer(device, genericElement.BufferSizeInBytes);
PerObjectConstantBufferBinding pocbb = new PerObjectConstantBufferBinding(bufferSlot, constantBuffer, isVsBuffer, isGsBuffer, isPsBuffer);
_perObjectBufferBindings[i] = pocbb;
}
}
