[host] DXGI: initial implementation of RGB24 support

This commit breaks damage tracking and the dx12 backend and is not in
a state where it should be used by the general public.

common/include/common/KVMFR.h

@@ -28,7 +28,7 @@
 #include "types.h"
 
 #define KVMFR_MAGIC   "KVMFR---"
-#define KVMFR_VERSION 19
+#define KVMFR_VERSION 20
 
 #define KVMFR_MAX_DAMAGE_RECTS 64
 
@@ -149,6 +149,8 @@ typedef struct KVMFRFrame
   FrameType       type;               // the frame data type
   uint32_t        screenWidth;        // the client's screen width
   uint32_t        screenHeight;       // the client's screen height
+  uint32_t        dataWidth;          // the packed width of the frame data
+  uint32_t        dataHeight;         // the packed height of the frame data
   uint32_t        frameWidth;         // the frame width
   uint32_t        frameHeight;        // the frame height
   FrameRotation   rotation;           // the frame rotation

common/include/common/types.h

@@ -55,6 +55,7 @@ typedef enum FrameType
   FRAME_TYPE_RGBA      , // RGBA interleaved: R,G,B,A 32bpp
   FRAME_TYPE_RGBA10    , // RGBA interleaved: R,G,B,A 10,10,10,2 bpp
   FRAME_TYPE_RGBA16F   , // RGBA interleaved: R,G,B,A 16,16,16,16 bpp float
+  FRAME_TYPE_BGR       , // BGR  interleaved: B,G,R 24bpp
   FRAME_TYPE_MAX       , // sentinel value
 }
 FrameType;

common/src/KVMFR.c

@@ -26,5 +26,6 @@ const char * FrameTypeStr[FRAME_TYPE_MAX] =
   "FRAME_TYPE_BGRA",
   "FRAME_TYPE_RGBA",
   "FRAME_TYPE_RGBA10",
-  "FRAME_TYPE_RGBA16F"
+  "FRAME_TYPE_RGBA16F",
+  "FRAME_TYPE_BGR"
 };