mirror of https://github.com/FreeRDP/FreeRDP
166 lines
4.2 KiB
C
166 lines
4.2 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* RDPXXXX Remote App Graphics Redirection Virtual Channel Extension
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*
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* Copyright 2020 Hideyuki Nagase <hideyukn@microsoft.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_CHANNEL_GFXREDIR_H
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#define FREERDP_CHANNEL_GFXREDIR_H
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#include <freerdp/api.h>
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#include <freerdp/types.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define GFXREDIR_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::RemoteAppGraphicsRedirection"
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/* GFXREDIR_LEGACY_CAPS_PDU.version */
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#define GFXREDIR_CHANNEL_VERSION_LEGACY 1
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#define GFXREDIR_CHANNEL_VERSION_MAJOR 2
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#define GFXREDIR_CHANNEL_VERSION_MINOR 0
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/* GFXREDIR_CAPS_VERSION1 */
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#define GFXREDIR_CMDID_LEGACY_CAPS 0x00000001
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#define GFXREDIR_CMDID_ERROR 0x00000006
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#define GFXREDIR_CMDID_CAPS_ADVERTISE 0x00000008
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#define GFXREDIR_CMDID_CAPS_CONFIRM 0x00000009
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/* GFXREDIR_CAPS_VERSION2_0 */
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#define GFXREDIR_CMDID_OPEN_POOL 0x0000000a
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#define GFXREDIR_CMDID_CLOSE_POOL 0x0000000b
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#define GFXREDIR_CMDID_CREATE_BUFFER 0x0000000c
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#define GFXREDIR_CMDID_DESTROY_BUFFER 0x0000000d
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#define GFXREDIR_CMDID_PRESENT_BUFFER 0x0000000e
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#define GFXREDIR_CMDID_PRESENT_BUFFER_ACK 0x0000000f
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/* GFXREDIR_HEADER */
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#define GFXREDIR_HEADER_SIZE 8
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/* GFXREDIR_CAPS_HEADER */
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#define GFXREDIR_CAPS_HEADER_SIZE 12
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/* GFXREDIR_CAPS_HEADER.signature */
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#define GFXREDIR_CAPS_SIGNATURE 0x53504143 /* = 'SPAC' */
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/* GFXREDIR_CAPS_HEADER.version */
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#define GFXREDIR_CAPS_VERSION1 0x1
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#define GFXREDIR_CAPS_VERSION2_0 0x2000
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/* GFXREDIR_CREATE_BUFFER_PDU.format */
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#define GFXREDIR_BUFFER_PIXEL_FORMAT_XRGB_8888 1
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#define GFXREDIR_BUFFER_PIXEL_FORMAT_ARGB_8888 2
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/* GFXREDIR_PRESENT_BUFFER_PDU.numOpaqueRects */
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#define GFXREDIR_MAX_OPAQUE_RECTS 0x10
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typedef struct
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{
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UINT32 cmdId;
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UINT32 length;
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} GFXREDIR_HEADER;
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typedef struct
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{
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UINT16 version; // GFXREDIR_CHANNEL_VERSION_LEGACY
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} GFXREDIR_LEGACY_CAPS_PDU;
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typedef struct
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{
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UINT32 signature; // GFXREDIR_CAPS_SIGNATURE
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UINT32 version; // GFXREDIR_CAPS_VERSION
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UINT32 length; // GFXREDIR_CAPS_HEADER_SIZE + size of capsData
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} GFXREDIR_CAPS_HEADER;
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typedef struct
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{
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GFXREDIR_CAPS_HEADER header;
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UINT32 supportedFeatures; /* Reserved for future extensions */
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} GFXREDIR_CAPS_V2_0_PDU;
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typedef struct
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{
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UINT32 errorCode;
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} GFXREDIR_ERROR_PDU;
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typedef struct
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{
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UINT32 length; // length of caps;
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const BYTE* caps; // points variable length array of GFXREDIR_CAPS_HEADER.
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} GFXREDIR_CAPS_ADVERTISE_PDU;
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typedef struct
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{
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UINT32 version; // confirmed version, must be one of advertised by client.
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UINT32 length; // GFXREDIR_CAPS_HEADER_SIZE + size of capsData.
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const BYTE* capsData; // confirmed capsData from selected GFXREDIR_CAPS_HEADER.capsData.
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} GFXREDIR_CAPS_CONFIRM_PDU;
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typedef struct
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{
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UINT64 poolId;
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UINT64 poolSize;
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UINT32 sectionNameLength; // number of charactor, must include null terminated char.
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const unsigned short* sectionName; // Windows-style 2 bytes wchar_t with null-terminated.
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} GFXREDIR_OPEN_POOL_PDU;
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typedef struct
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{
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UINT64 poolId;
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} GFXREDIR_CLOSE_POOL_PDU;
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typedef struct
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{
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UINT64 poolId;
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UINT64 bufferId;
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UINT64 offset;
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UINT32 stride;
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UINT32 width;
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UINT32 height;
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UINT32 format; // GFXREDIR_BUFFER_PIXEL_FORMAT_
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} GFXREDIR_CREATE_BUFFER_PDU;
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typedef struct
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{
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UINT64 bufferId;
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} GFXREDIR_DESTROY_BUFFER_PDU;
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typedef struct
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{
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UINT64 timestamp;
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UINT64 presentId;
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UINT64 windowId;
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UINT64 bufferId;
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UINT32 orientation; // 0, 90, 180 or 270.
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UINT32 targetWidth;
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UINT32 targetHeight;
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RECTANGLE_32 dirtyRect;
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UINT32 numOpaqueRects;
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RECTANGLE_32* opaqueRects;
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} GFXREDIR_PRESENT_BUFFER_PDU;
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typedef struct
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{
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UINT64 windowId;
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UINT64 presentId;
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} GFXREDIR_PRESENT_BUFFER_ACK_PDU;
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#ifdef __cplusplus
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}
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#endif
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#endif /* FREERDP_CHANNEL_GFXREDIR_H */
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