dxgi1_2.idl: Added IDXGIAdapter2 declaration.

include/dxgi1_2.idl

@@ -190,3 +190,45 @@ interface IDXGIFactory2 : IDXGIFactory1
             [in]  IDXGIOutput *pRestrictToOutput,
             [out] IDXGISwapChain1 **ppSwapChain);
 }
+
+typedef enum DXGI_GRAPHICS_PREEMPTION_GRANULARITY {
+    DXGI_GRAPHICS_PREEMPTION_DMA_BUFFER_BOUNDARY,
+    DXGI_GRAPHICS_PREEMPTION_PRIMITIVE_BOUNDARY,
+    DXGI_GRAPHICS_PREEMPTION_TRIANGLE_BOUNDARY,
+    DXGI_GRAPHICS_PREEMPTION_PIXEL_BOUNDARY,
+    DXGI_GRAPHICS_PREEMPTION_INSTRUCTION_BOUNDARY
+} DXGI_GRAPHICS_PREEMPTION_GRANULARITY;
+
+typedef enum DXGI_COMPUTE_PREEMPTION_GRANULARITY {
+    DXGI_COMPUTE_PREEMPTION_DMA_BUFFER_BOUNDARY,
+    DXGI_COMPUTE_PREEMPTION_DISPATCH_BOUNDARY,
+    DXGI_COMPUTE_PREEMPTION_THREAD_GROUP_BOUNDARY,
+    DXGI_COMPUTE_PREEMPTION_THREAD_BOUNDARY,
+    DXGI_COMPUTE_PREEMPTION_INSTRUCTION_BOUNDARY
+} DXGI_COMPUTE_PREEMPTION_GRANULARITY;
+
+typedef struct DXGI_ADAPTER_DESC2 {
+    WCHAR Description[128];
+    UINT VendorId;
+    UINT DeviceId;
+    UINT SubSysId;
+    UINT Revision;
+    SIZE_T DedicatedVideoMemory;
+    SIZE_T DedicatedSystemMemory;
+    SIZE_T SharedSystemMemory;
+    LUID AdapterLuid;
+    UINT Flags;
+    DXGI_GRAPHICS_PREEMPTION_GRANULARITY GraphicsPreemptionGranularity;
+    DXGI_COMPUTE_PREEMPTION_GRANULARITY ComputePreemptionGranularity;
+} DXGI_ADAPTER_DESC2;
+
+[
+    object,
+    uuid(0aa1ae0a-fa0e-4b84-8644-e05ff8e5acb5),
+    local,
+    pointer_default(unique)
+]
+interface IDXGIAdapter2 : IDXGIAdapter1
+{
+    HRESULT GetDesc2([out] DXGI_ADAPTER_DESC2 *pDesc);
+}