diff --git a/common/include/common/KVMFR.h b/common/include/common/KVMFR.h
index 2c4c16e8..09b032cd 100644
--- a/common/include/common/KVMFR.h
+++ b/common/include/common/KVMFR.h
@@ -135,7 +135,8 @@ enum
 {
   FRAME_FLAG_BLOCK_SCREENSAVER  = 0x1,
   FRAME_FLAG_REQUEST_ACTIVATION = 0x2,
-  FRAME_FLAG_TRUNCATED          = 0x4 // ivshmem was too small for the frame
+  FRAME_FLAG_TRUNCATED          = 0x4, // ivshmem was too small for the frame
+  FRAME_FLAG_HDR                = 0x8  // RGBA10 may not be HDR
 };
 
 typedef uint32_t KVMFRFrameFlags;
diff --git a/host/include/interface/capture.h b/host/include/interface/capture.h
index 4db37f02..17e5a2e8 100644
--- a/host/include/interface/capture.h
+++ b/host/include/interface/capture.h
@@ -44,10 +44,11 @@ CaptureResult;
 typedef enum CaptureFormat
 {
   // frame formats
-  CAPTURE_FMT_BGRA   ,
-  CAPTURE_FMT_RGBA   ,
-  CAPTURE_FMT_RGBA10 ,
-  CAPTURE_FMT_RGBA16F,
+  CAPTURE_FMT_BGRA      ,
+  CAPTURE_FMT_RGBA      ,
+  CAPTURE_FMT_RGBA10_SDR,
+  CAPTURE_FMT_RGBA10_HDR,
+  CAPTURE_FMT_RGBA16F   ,
 
   // pointer formats
   CAPTURE_FMT_COLOR ,
diff --git a/host/platform/Windows/capture/DXGI/src/dxgi.c b/host/platform/Windows/capture/DXGI/src/dxgi.c
index ff4a7248..7d0e80e9 100644
--- a/host/platform/Windows/capture/DXGI/src/dxgi.c
+++ b/host/platform/Windows/capture/DXGI/src/dxgi.c
@@ -600,9 +600,17 @@ next_output:
   this->bpp = 4;
   switch(dupDesc.ModeDesc.Format)
   {
-    case DXGI_FORMAT_B8G8R8A8_UNORM    : this->format = CAPTURE_FMT_BGRA   ; break;
-    case DXGI_FORMAT_R8G8B8A8_UNORM    : this->format = CAPTURE_FMT_RGBA   ; break;
-    case DXGI_FORMAT_R10G10B10A2_UNORM : this->format = CAPTURE_FMT_RGBA10 ; break;
+    case DXGI_FORMAT_B8G8R8A8_UNORM:
+      this->format = CAPTURE_FMT_BGRA;
+      break;
+
+    case DXGI_FORMAT_R8G8B8A8_UNORM:
+      this->format = CAPTURE_FMT_RGBA;
+      break;
+
+    case DXGI_FORMAT_R10G10B10A2_UNORM:
+      this->format = CAPTURE_FMT_RGBA10_HDR;
+      break;
 
     case DXGI_FORMAT_R16G16B16A16_FLOAT:
       this->format = CAPTURE_FMT_RGBA16F;
diff --git a/host/platform/Windows/capture/NVFBC/src/nvfbc.c b/host/platform/Windows/capture/NVFBC/src/nvfbc.c
index 76d0c7cf..f7b2ac5c 100644
--- a/host/platform/Windows/capture/NVFBC/src/nvfbc.c
+++ b/host/platform/Windows/capture/NVFBC/src/nvfbc.c
@@ -733,7 +733,8 @@ static CaptureResult nvfbc_waitFrame(CaptureFrame * frame,
 
   updateDamageRects(frame);
 
-  frame->format = CAPTURE_FMT_RGBA10;
+  frame->format = this->grabInfo.bIsHDR ?
+    CAPTURE_FMT_RGBA10_HDR : CAPTURE_FMT_RGBA10_SDR;
   return CAPTURE_RESULT_OK;
 }
 
diff --git a/host/src/app.c b/host/src/app.c
index 87fe4b53..10255116 100644
--- a/host/src/app.c
+++ b/host/src/app.c
@@ -244,12 +244,27 @@ static bool sendFrame(void)
     app.frameIndex = 0;
 
   KVMFRFrame * fi = lgmpHostMemPtr(app.frameMemory[app.frameIndex]);
+  KVMFRFrameFlags flags = 0;
+
   switch(frame.format)
   {
     case CAPTURE_FMT_BGRA   : fi->type = FRAME_TYPE_BGRA   ; break;
     case CAPTURE_FMT_RGBA   : fi->type = FRAME_TYPE_RGBA   ; break;
-    case CAPTURE_FMT_RGBA10 : fi->type = FRAME_TYPE_RGBA10 ; break;
-    case CAPTURE_FMT_RGBA16F: fi->type = FRAME_TYPE_RGBA16F; break;
+
+    case CAPTURE_FMT_RGBA10_SDR:
+      fi->type = FRAME_TYPE_RGBA10;
+      break;
+
+    case CAPTURE_FMT_RGBA10_HDR:
+      fi->type  = FRAME_TYPE_RGBA10;
+      flags    |= FRAME_FLAG_HDR;
+      break;
+
+    case CAPTURE_FMT_RGBA16F:
+      fi->type  = FRAME_TYPE_RGBA16F;
+      flags    |= FRAME_FLAG_HDR;
+      break;
+
     default:
       DEBUG_ERROR("Unsupported frame format %d, skipping frame", frame.format);
       return true;
@@ -267,6 +282,15 @@ static bool sendFrame(void)
       break;
   }
 
+  if (os_blockScreensaver())
+    flags |= FRAME_FLAG_BLOCK_SCREENSAVER;
+
+  if (os_getAndClearPendingActivationRequest())
+    flags |= FRAME_FLAG_REQUEST_ACTIVATION;
+
+  if (frame.truncated)
+    flags |= FRAME_FLAG_TRUNCATED;
+
   fi->formatVer         = frame.formatVer;
   fi->frameSerial       = app.frameSerial++;
   fi->screenWidth       = frame.screenWidth;
@@ -276,14 +300,7 @@ static bool sendFrame(void)
   fi->stride            = frame.stride;
   fi->pitch             = frame.pitch;
   fi->offset            = app.pageSize - sizeof(FrameBuffer);
-  fi->flags             =
-    (os_blockScreensaver() ?
-     FRAME_FLAG_BLOCK_SCREENSAVER : 0) |
-    (os_getAndClearPendingActivationRequest() ?
-      FRAME_FLAG_REQUEST_ACTIVATION : 0) |
-    (frame.truncated ?
-      FRAME_FLAG_TRUNCATED : 0);
-
+  fi->flags             = flags;
   fi->damageRectsCount  = frame.damageRectsCount;
   memcpy(fi->damageRects, frame.damageRects,
     frame.damageRectsCount * sizeof(FrameDamageRect));