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libs/vkd3d: Allocate CPU memory for descriptors.

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This commit is contained in:
Henri Verbeet
2016-09-30 13:03:45 +02:00
parent cd37442fd0
commit 9262f87249
3 changed files with 60 additions and 3 deletions
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18
libs/vkd3d/resource.c
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@@ -830,12 +830,28 @@ static void d3d12_descriptor_heap_init(struct d3d12_descriptor_heap *descriptor_
HRESULT d3d12_descriptor_heap_create(struct d3d12_device *device,
const D3D12_DESCRIPTOR_HEAP_DESC *desc, struct d3d12_descriptor_heap **descriptor_heap)
{
size_t max_descriptor_count, descriptor_size;
struct d3d12_descriptor_heap *object;
if (!(object = vkd3d_malloc(sizeof(*object))))
if (!(descriptor_size = ID3D12Device_GetDescriptorHandleIncrementSize(&device->ID3D12Device_iface, desc->Type)))
{
WARN("No descriptor size for descriptor type %#x.\n", desc->Type);
return E_INVALIDARG;
}
max_descriptor_count = (~(size_t)0 - sizeof(*object)) / descriptor_size;
if (desc->NumDescriptors > max_descriptor_count)
{
WARN("Invalid descriptor count %u (max %zu).\n", desc->NumDescriptors, max_descriptor_count);
return E_OUTOFMEMORY;
}
if (!(object = vkd3d_malloc(offsetof(struct d3d12_descriptor_heap,
descriptors[descriptor_size * desc->NumDescriptors]))))
return E_OUTOFMEMORY;
d3d12_descriptor_heap_init(object, device, desc);
memset(object->descriptors, 0, descriptor_size * desc->NumDescriptors);
TRACE("Created descriptor heap %p.\n", object);