[vlc-devel] [PATCH 5/5] direct3d11: set the HDR metadata on the SwapChain when available

[Steve Lhomme]

---
 modules/video_output/win32/direct3d11.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/modules/video_output/win32/direct3d11.c b/modules/video_output/win32/direct3d11.c
index 510e9b0352..b25253e483 100644
--- a/modules/video_output/win32/direct3d11.c
+++ b/modules/video_output/win32/direct3d11.c
@@ -40,7 +40,7 @@
 #define COBJMACROS
 #include <initguid.h>
 #include <d3d11.h>
-#include <dxgi1_4.h>
+#include <dxgi1_5.h>
 #include <d3dcompiler.h>
 
 /* avoided until we can pass ISwapchainPanel without c++/cx mode
@@ -1583,6 +1583,30 @@ static int Direct3D11Open(vout_display_t *vd, video_format_t *fmt)
 
     D3D11SetColorSpace(vd);
 
+    if (fmt->mastering.max_luminance)
+    {
+        IDXGISwapChain4 *dxgiswapChain4;
+        hr = ID3D11Device_QueryInterface( sys->dxgiswapChain, &IID_IDXGISwapChain4, (void **)&dxgiswapChain4);
+        if (SUCCEEDED(hr)) {
+            DXGI_HDR_METADATA_HDR10 hdr10 = {0};
+            hdr10.GreenPrimary[0] = fmt->mastering.primaries[0];
+            hdr10.GreenPrimary[1] = fmt->mastering.primaries[1];
+            hdr10.BluePrimary[0]  = fmt->mastering.primaries[2];
+            hdr10.BluePrimary[1]  = fmt->mastering.primaries[3];
+            hdr10.RedPrimary[0]   = fmt->mastering.primaries[4];
+            hdr10.RedPrimary[1]   = fmt->mastering.primaries[5];
+            hdr10.WhitePoint[0] = fmt->mastering.white_point[0];
+            hdr10.WhitePoint[1] = fmt->mastering.white_point[1];
+            hdr10.MinMasteringLuminance = fmt->mastering.min_luminance;
+            hdr10.MaxMasteringLuminance = fmt->mastering.max_luminance;
+            //hdr10.MaxFrameAverageLightLevel = 1000;
+            //hdr10.MaxContentLightLevel = 5000;
+            hr = IDXGISwapChain4_SetHDRMetaData(dxgiswapChain4, DXGI_HDR_METADATA_TYPE_HDR10, sizeof(hdr10), &hdr10);
+            msg_Dbg(vd, "set HDR metadata %lx", hr);
+            IDXGISwapChain4_Release(dxgiswapChain4);
+        }
+    }
+
     // look for the requested pixel format first
     sys->picQuadConfig = GetOutputFormat(vd, fmt->i_chroma, 0, true, false);
 
-- 
2.11.1