d3d11: Extract SM5 shader code from DXBC.

dlls/d3d11/d3d11_private.h

@@ -44,6 +44,7 @@
 #define TAG_ISGN MAKE_TAG('I', 'S', 'G', 'N')
 #define TAG_OSGN MAKE_TAG('O', 'S', 'G', 'N')
 #define TAG_SHDR MAKE_TAG('S', 'H', 'D', 'R')
+#define TAG_SHEX MAKE_TAG('S', 'H', 'E', 'X')
 
 struct d3d_device;
 

dlls/d3d11/shader.c

@@ -42,6 +42,8 @@ static HRESULT shdr_handler(const char *data, DWORD data_size, DWORD tag, void *
             break;
 
         case TAG_SHDR:
+        case TAG_SHEX:
+            if (shader_info->shader_code) FIXME("Multiple SHDR/SHEX chunks.\n");
             shader_info->shader_code = (const DWORD *)data;
             break;