channels/gfxredir.h

 
#ifndef FREERDP_CHANNEL_GFXREDIR_H
#define FREERDP_CHANNEL_GFXREDIR_H
 
#include <freerdp/api.h>
#include <freerdp/types.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#define GFXREDIR_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::RemoteAppGraphicsRedirection"
 
/* GFXREDIR_LEGACY_CAPS_PDU.version */
#define GFXREDIR_CHANNEL_VERSION_LEGACY 1
 
#define GFXREDIR_CHANNEL_VERSION_MAJOR 2
#define GFXREDIR_CHANNEL_VERSION_MINOR 0
 
/* GFXREDIR_CAPS_VERSION1 */
#define GFXREDIR_CMDID_LEGACY_CAPS 0x00000001
#define GFXREDIR_CMDID_ERROR 0x00000006
#define GFXREDIR_CMDID_CAPS_ADVERTISE 0x00000008
#define GFXREDIR_CMDID_CAPS_CONFIRM 0x00000009
/* GFXREDIR_CAPS_VERSION2_0 */
#define GFXREDIR_CMDID_OPEN_POOL 0x0000000a
#define GFXREDIR_CMDID_CLOSE_POOL 0x0000000b
#define GFXREDIR_CMDID_CREATE_BUFFER 0x0000000c
#define GFXREDIR_CMDID_DESTROY_BUFFER 0x0000000d
#define GFXREDIR_CMDID_PRESENT_BUFFER 0x0000000e
#define GFXREDIR_CMDID_PRESENT_BUFFER_ACK 0x0000000f
 
/* GFXREDIR_HEADER */
#define GFXREDIR_HEADER_SIZE 8
 
/* GFXREDIR_CAPS_HEADER */
#define GFXREDIR_CAPS_HEADER_SIZE 12
/* GFXREDIR_CAPS_HEADER.signature */
#define GFXREDIR_CAPS_SIGNATURE 0x53504143 /* = 'SPAC' */
/* GFXREDIR_CAPS_HEADER.version */
#define GFXREDIR_CAPS_VERSION1 0x1
#define GFXREDIR_CAPS_VERSION2_0 0x2000
 
/* GFXREDIR_CREATE_BUFFER_PDU.format */
#define GFXREDIR_BUFFER_PIXEL_FORMAT_XRGB_8888 1
#define GFXREDIR_BUFFER_PIXEL_FORMAT_ARGB_8888 2
 
/* GFXREDIR_PRESENT_BUFFER_PDU.numOpaqueRects */
#define GFXREDIR_MAX_OPAQUE_RECTS 0x10
 
typedef struct
{
  UINT32 cmdId;
  UINT32 length;
} GFXREDIR_HEADER;
 
typedef struct
{
  UINT16 version; // GFXREDIR_CHANNEL_VERSION_LEGACY
} GFXREDIR_LEGACY_CAPS_PDU;
 
typedef struct
{
  UINT32 signature; // GFXREDIR_CAPS_SIGNATURE
  UINT32 version;   // GFXREDIR_CAPS_VERSION
  UINT32 length;    // GFXREDIR_CAPS_HEADER_SIZE + size of capsData
} GFXREDIR_CAPS_HEADER;
 
typedef struct
{
  GFXREDIR_CAPS_HEADER header;
  UINT32 supportedFeatures; /* Reserved for future extensions */
} GFXREDIR_CAPS_V2_0_PDU;
 
typedef struct
{
  UINT32 errorCode;
} GFXREDIR_ERROR_PDU;
 
typedef struct
{
  UINT32 length;    // length of caps;
  const BYTE* caps; // points variable length array of GFXREDIR_CAPS_HEADER.
} GFXREDIR_CAPS_ADVERTISE_PDU;
 
typedef struct
{
  UINT32 version;       // confirmed version, must be one of advertised by client.
  UINT32 length;        // GFXREDIR_CAPS_HEADER_SIZE + size of capsData.
  const BYTE* capsData; // confirmed capsData from selected GFXREDIR_CAPS_HEADER.capsData.
} GFXREDIR_CAPS_CONFIRM_PDU;
 
typedef struct
{
  UINT64 poolId;
  UINT64 poolSize;
  UINT32 sectionNameLength;          // number of characters, must include null terminated char.
  const unsigned short* sectionName; // Windows-style 2 bytes wchar_t with null-terminated.
} GFXREDIR_OPEN_POOL_PDU;
 
typedef struct
{
  UINT64 poolId;
} GFXREDIR_CLOSE_POOL_PDU;
 
typedef struct
{
  UINT64 poolId;
  UINT64 bufferId;
  UINT64 offset;
  UINT32 stride;
  UINT32 width;
  UINT32 height;
  UINT32 format; // GFXREDIR_BUFFER_PIXEL_FORMAT_
} GFXREDIR_CREATE_BUFFER_PDU;
 
typedef struct
{
  UINT64 bufferId;
} GFXREDIR_DESTROY_BUFFER_PDU;
 
typedef struct
{
  UINT64 timestamp;
  UINT64 presentId;
  UINT64 windowId;
  UINT64 bufferId;
  UINT32 orientation; // 0, 90, 180 or 270.
  UINT32 targetWidth;
  UINT32 targetHeight;
  RECTANGLE_32 dirtyRect;
  UINT32 numOpaqueRects;
  RECTANGLE_32* opaqueRects;
} GFXREDIR_PRESENT_BUFFER_PDU;
 
typedef struct
{
  UINT64 windowId;
  UINT64 presentId;
} GFXREDIR_PRESENT_BUFFER_ACK_PDU;
 
#ifdef __cplusplus
}
#endif
 
#endif /* FREERDP_CHANNEL_GFXREDIR_H */