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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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15
libs/vkd3d/resource.c
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@@ -820,6 +820,21 @@ static void d3d12_desc_destroy(struct d3d12_desc *descriptor,
memset(descriptor, 0, sizeof(*descriptor));
}
void d3d12_desc_copy(struct d3d12_desc *dst, struct d3d12_desc *src,
struct d3d12_device *device)
{
d3d12_desc_destroy(dst, device);
*dst = *src;
if (src->magic == VKD3D_DESCRIPTOR_MAGIC_SRV
|| src->magic == VKD3D_DESCRIPTOR_MAGIC_UAV
|| src->magic == VKD3D_DESCRIPTOR_MAGIC_SAMPLER)
{
vkd3d_view_incref(src->u.view);
}
}
static bool vkd3d_create_vk_buffer_view(struct d3d12_device *device,
struct d3d12_resource *resource, const struct vkd3d_format *format,
VkDeviceSize offset, VkDeviceSize range, VkBufferView *vk_view)