[GPU] Ownership-transfer-based RT cache, 3x3 resolution scaling

The ROV path is also disabled by default because of lower performance

src/xenia/ui/d3d12/d3d12_util.h

@@ -19,7 +19,7 @@ namespace ui {
 namespace d3d12 {
 namespace util {
 
-using DescriptorCPUGPUHandlePair =
+using DescriptorCpuGpuHandlePair =
     std::pair<D3D12_CPU_DESCRIPTOR_HANDLE, D3D12_GPU_DESCRIPTOR_HANDLE>;
 
 extern const D3D12_HEAP_PROPERTIES kHeapPropertiesDefault;
@@ -93,6 +93,14 @@ void CreateBufferTypedUAV(ID3D12Device* device,
                           ID3D12Resource* buffer, DXGI_FORMAT format,
                           uint32_t num_elements, uint64_t first_element = 0);
 
+// For cases where GetCopyableFootprints isn't usable (such as when the size
+// needs to be overaligned beyond the maximum texture size), providing data
+// needed to compute the copyable footprints manually.
+void GetFormatCopyInfo(DXGI_FORMAT format, uint32_t plane,
+                       DXGI_FORMAT& copy_format_out, uint32_t& block_width_out,
+                       uint32_t& block_height_out,
+                       uint32_t& bytes_per_block_out);
+
 }  // namespace util
 }  // namespace d3d12
 }  // namespace ui