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libs/vkd3d: Factor out d3d12_root_signature_init_root_descriptors() function.

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Root descriptors are going to be assigned to a separate descriptor set
in order to be used with VK_KHR_push_descriptor.
This commit is contained in:
Józef Kucia 2017-08-11 13:58:04 +02:00
parent e3cdf5226f
commit cc0cfb5a81
1 changed files with 41 additions and 18 deletions
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59
libs/vkd3d/state.c
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@ -627,6 +627,44 @@ static uint32_t d3d12_root_signature_assign_vk_bindings(struct d3d12_root_signat
return first_binding;
}
static HRESULT d3d12_root_signature_init_root_descriptors(struct d3d12_root_signature *root_signature,
const D3D12_ROOT_SIGNATURE_DESC *desc, struct vkd3d_descriptor_set_context *context)
{
VkDescriptorSetLayoutBinding *cur_binding = context->current_binding;
unsigned int i;
for (i = 0; i < desc->NumParameters; ++i)
{
const D3D12_ROOT_PARAMETER *p = &desc->pParameters[i];
if (p->ParameterType != D3D12_ROOT_PARAMETER_TYPE_CBV
&& p->ParameterType != D3D12_ROOT_PARAMETER_TYPE_SRV
&& p->ParameterType != D3D12_ROOT_PARAMETER_TYPE_UAV)
continue;
if (p->u.Descriptor.RegisterSpace)
{
FIXME("Unhandled register space %u for parameter %u.\n", p->u.Descriptor.RegisterSpace, i);
return E_NOTIMPL;
}
cur_binding->binding = d3d12_root_signature_assign_vk_bindings(root_signature,
vkd3d_descriptor_type_from_d3d12_root_parameter_type(p->ParameterType),
p->u.Descriptor.ShaderRegister, 1, true, false, context);
cur_binding->descriptorType = vk_descriptor_type_from_d3d12_root_parameter(p->ParameterType);
cur_binding->descriptorCount = 1;
cur_binding->stageFlags = stage_flags_from_visibility(p->ShaderVisibility);
cur_binding->pImmutableSamplers = NULL;
root_signature->parameters[i].parameter_type = p->ParameterType;
root_signature->parameters[i].u.descriptor.binding = cur_binding->binding;
++cur_binding;
}
context->current_binding = cur_binding;
return S_OK;
}
static HRESULT d3d12_root_signature_init_static_samplers(struct d3d12_root_signature *root_signature,
struct d3d12_device *device, const D3D12_ROOT_SIGNATURE_DESC *desc,
struct vkd3d_descriptor_set_context *context)
@ -800,24 +838,6 @@ static HRESULT d3d12_root_signature_init(struct d3d12_root_signature *root_signa
case D3D12_ROOT_PARAMETER_TYPE_CBV:
case D3D12_ROOT_PARAMETER_TYPE_SRV:
case D3D12_ROOT_PARAMETER_TYPE_UAV:
if (p->u.Descriptor.RegisterSpace)
{
FIXME("Unhandled register space %u for parameter %u.\n", p->u.Descriptor.RegisterSpace, i);
hr = E_NOTIMPL;
goto fail;
}
cur_binding->binding = d3d12_root_signature_assign_vk_bindings(root_signature,
vkd3d_descriptor_type_from_d3d12_root_parameter_type(p->ParameterType),
p->u.Descriptor.ShaderRegister, 1, true, false, &context);
cur_binding->descriptorType = vk_descriptor_type_from_d3d12_root_parameter(p->ParameterType);
cur_binding->descriptorCount = 1;
cur_binding->stageFlags = stage_flags_from_visibility(p->ShaderVisibility);
cur_binding->pImmutableSamplers = NULL;
root_signature->parameters[i].parameter_type = p->ParameterType;
root_signature->parameters[i].u.descriptor.binding = cur_binding->binding;
++cur_binding;
break;
default:
@ -828,6 +848,9 @@ static HRESULT d3d12_root_signature_init(struct d3d12_root_signature *root_signa
}
context.current_binding = cur_binding;
if (FAILED(hr = d3d12_root_signature_init_root_descriptors(root_signature, desc, &context)))
goto fail;
if (FAILED(hr = d3d12_root_signature_init_static_samplers(root_signature, device, desc, &context)))
goto fail;