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libs/vkd3d: Implement d3d12_device_CopyDescriptors().

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There is no easy way to duplicate or copy Vulkan views and samplers.
Therefore, we use reference counting for Vulkan views and samplers when
copying them between descriptor heaps.
This commit is contained in:
Józef Kucia
2017-09-04 18:32:40 +02:00
parent a780b7a11c
commit 603a44fb46
3 changed files with 56 additions and 2 deletions
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41
libs/vkd3d/device.c
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@@ -1187,13 +1187,50 @@ static void STDMETHODCALLTYPE d3d12_device_CopyDescriptors(ID3D12Device *iface,
const UINT *src_descriptor_range_sizes,
D3D12_DESCRIPTOR_HEAP_TYPE descriptor_heap_type)
{
FIXME("iface %p, dst_descriptor_range_count %u, dst_descriptor_range_offsets %p, "
struct d3d12_device *device = impl_from_ID3D12Device(iface);
unsigned int dst_range_idx, dst_idx, src_range_idx, src_idx;
struct d3d12_desc *dst, *src;
TRACE("iface %p, dst_descriptor_range_count %u, dst_descriptor_range_offsets %p, "
"dst_descriptor_range_sizes %p, src_descriptor_range_count %u, "
"src_descriptor_range_offsets %p, src_descriptor_range_sizes %p, "
"descriptor_heap_type %#x stub!\n",
"descriptor_heap_type %#x.\n",
iface, dst_descriptor_range_count, dst_descriptor_range_offsets,
dst_descriptor_range_sizes, src_descriptor_range_count, src_descriptor_range_offsets,
src_descriptor_range_sizes, descriptor_heap_type);
if (descriptor_heap_type != D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV
&& descriptor_heap_type != D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER)
{
FIXME("Unhandled descriptor heap type %#x.\n", descriptor_heap_type);
return;
}
dst_range_idx = dst_idx = 0;
dst = (struct d3d12_desc *)dst_descriptor_range_offsets[0].ptr;
for (src_range_idx = 0; src_range_idx < src_descriptor_range_count; ++src_range_idx)
{
src = (struct d3d12_desc *)src_descriptor_range_offsets[src_range_idx].ptr;
for (src_idx = 0; src_idx < src_descriptor_range_sizes[src_range_idx]; ++src_idx)
{
if (dst_idx >= dst_descriptor_range_sizes[dst_range_idx])
{
++dst_range_idx;
dst = (struct d3d12_desc *)dst_descriptor_range_offsets[dst_range_idx].ptr;
dst_idx = 0;
}
assert(dst_range_idx < dst_descriptor_range_count);
assert(dst_idx < dst_descriptor_range_sizes[dst_range_idx]);
d3d12_desc_copy(dst++, src++, device);
++dst_idx;
}
}
assert(dst_idx == dst_descriptor_range_sizes[dst_range_idx]);
assert(dst_range_idx == dst_descriptor_range_count - 1);
}
static void STDMETHODCALLTYPE d3d12_device_CopyDescriptorsSimple(ID3D12Device *iface,