private void BindSampler(D3D11Sampler sampler, int slot, ShaderStages stages)
{
if ((stages & ShaderStages.Vertex) == ShaderStages.Vertex)
{
bool bind = false;
if (slot < MaxCachedSamplers)
{
if (_vertexBoundSamplers[slot] != sampler)
{
_vertexBoundSamplers[slot] = sampler;
bind = true;
}
}
else
{
bind = true;
}
if (bind)
{
_context.VertexShader.SetSampler(slot, sampler.DeviceSampler);
}
}
if ((stages & ShaderStages.Geometry) == ShaderStages.Geometry)
{
_context.GeometryShader.SetSampler(slot, sampler.DeviceSampler);
}
if ((stages & ShaderStages.TessellationControl) == ShaderStages.TessellationControl)
{
_context.HullShader.SetSampler(slot, sampler.DeviceSampler);
}
if ((stages & ShaderStages.TessellationEvaluation) == ShaderStages.TessellationEvaluation)
{
_context.DomainShader.SetSampler(slot, sampler.DeviceSampler);
}
if ((stages & ShaderStages.Fragment) == ShaderStages.Fragment)
{
bool bind = false;
if (slot < MaxCachedSamplers)
{
if (_fragmentBoundSamplers[slot] != sampler)
{
_fragmentBoundSamplers[slot] = sampler;
bind = true;
}
}
else
{
bind = true;
}
if (bind)
{
_context.PixelShader.SetSampler(slot, sampler.DeviceSampler);
}
}
}
private void ActivateResourceSet(uint slot, D3D11ResourceSet d3d11RS, bool graphics)
{
int cbBase = GetConstantBufferBase(slot, graphics);
int uaBase = GetUnorderedAccessBase(slot, graphics);
int textureBase = GetTextureBase(slot, graphics);
int samplerBase = GetSamplerBase(slot, graphics);
D3D11ResourceLayout layout = d3d11RS.Layout;
BindableResource[] resources = d3d11RS.Resources;
for (int i = 0; i < resources.Length; i++)
{
BindableResource resource = resources[i];
D3D11ResourceLayout.ResourceBindingInfo rbi = layout.GetDeviceSlotIndex(i);
switch (rbi.Kind)
{
case ResourceKind.UniformBuffer:
D3D11Buffer uniformBuffer = Util.AssertSubtype <BindableResource, D3D11Buffer>(resource);
BindUniformBuffer(uniformBuffer, cbBase + rbi.Slot, rbi.Stages);
break;
case ResourceKind.StructuredBufferReadOnly:
D3D11Buffer storageBufferRO = Util.AssertSubtype <BindableResource, D3D11Buffer>(resource);
BindStorageBufferView(storageBufferRO, textureBase + rbi.Slot, rbi.Stages);
break;
case ResourceKind.StructuredBufferReadWrite:
D3D11Buffer storageBuffer = Util.AssertSubtype <BindableResource, D3D11Buffer>(resource);
BindUnorderedAccessView(null, storageBuffer.UnorderedAccessView, uaBase + rbi.Slot, rbi.Stages, slot);
break;
case ResourceKind.TextureReadOnly:
D3D11TextureView texView = Util.AssertSubtype <BindableResource, D3D11TextureView>(resource);
UnbindUAVTexture(texView.Target);
BindTextureView(texView, textureBase + rbi.Slot, rbi.Stages, slot);
break;
case ResourceKind.TextureReadWrite:
D3D11TextureView rwTexView = Util.AssertSubtype <BindableResource, D3D11TextureView>(resource);
UnbindSRVTexture(rwTexView.Target);
BindUnorderedAccessView(rwTexView.Target, rwTexView.UnorderedAccessView, uaBase + rbi.Slot, rbi.Stages, slot);
break;
case ResourceKind.Sampler:
D3D11Sampler sampler = Util.AssertSubtype <BindableResource, D3D11Sampler>(resource);
BindSampler(sampler, samplerBase + rbi.Slot, rbi.Stages);
break;
default: throw Illegal.Value <ResourceKind>();
}
}
}