2.2.2.15 RDPGFX_MAP_SURFACE_TO_OUTPUT_PDU
The RDPGFX_MAP_SURFACE_TO_OUTPUT_PDU message is sent by the server to instruct the client to map a surface to a rectangular area of the Graphics Output Buffer (section 3.3.1.7) ADM element.
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header |
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surfaceId |
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outputOriginX |
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outputOriginY |
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header (8 bytes): An RDPGFX_HEADER (section 2.2.1.5) structure. The cmdId field MUST be set to RDPGFX_CMDID_MAPSURFACETOOUTPUT (0x000F), while the flags field MUST be set to zero.
surfaceId (2 bytes): A 16-bit unsigned integer that specifies the ID of the surface to be associated with the output-to-surface mapping.
reserved (2 bytes): A 16-bit unsigned integer that is reserved for future use. This field MUST be set to zero.
outputOriginX (4 bytes): A 32-bit unsigned integer that specifies the x-coordinate of the point, relative to the origin of the Graphics Output Buffer ADM element, at which to map the top-left corner of the surface.
outputOriginY (4 bytes): A 32-bit unsigned integer that specifies the y-coordinate of the point, relative to the origin of the Graphics Output Buffer ADM element, at which to map the upper-left corner of the surface.