2.2.7.2.9 Surface Commands Capability Set (TS_SURFCMDS_CAPABILITYSET)
The TS_SURFCMDS_CAPABILITYSET structure advertises support for Surface Commands (section 2.2.9.2). This capability is sent by both the client and the server.
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capabilitySetType |
lengthCapability |
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cmdFlags |
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reserved |
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capabilitySetType (2 bytes): A 16-bit, unsigned integer. The type of capability set. This field MUST be set to 0x001C (CAPSETTYPE_SURFACE_COMMANDS).
lengthCapability (2 bytes): A 16-bit, unsigned integer. The length in bytes of the capability data.
cmdFlags (4 bytes): A 32-bit, unsigned integer. Flags indicating which Surface Commands are supported.
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Flag
Meaning
SURFCMDS_SETSURFACEBITS
0x00000002
The Set Surface Bits Command (section 2.2.9.2.1) is supported.
SURFCMDS_FRAMEMARKER
0x00000010
The Frame Marker Command (section 2.2.9.2.3) is supported.
SURFCMDS_STREAMSURFACEBITS
0x00000040
The Stream Surface Bits Command (section 2.2.9.2.2) is supported.
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If the client advertises support for surface commands, it MUST also indicate support for fast-path output by setting the FASTPATH_OUTPUT_SUPPORTED (0x0001) flag in the extraFlags field of the General Capability Set (section 2.2.7.1.1).
reserved (4 bytes): This field is reserved for future use and has no effect on the RDP wire traffic. It MUST be set to zero.