2.2.4.2 RFX_PROGRESSIVE_BITMAP_STREAM
The RFX_PROGRESSIVE_BITMAP_STREAM structure encapsulates regions of a graphics frame compressed using discrete wavelet transforms (DWTs), sub-band diffing, and progressive compression techniques. The data compressed using these techniques is transported in the bitmapData field of the RDPGFX_WIRE_TO_SURFACE_PDU_2 (section 2.2.2.2) message.
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progressiveDataBlocks (variable): A variable-length array of RFX_PROGRESSIVE_DATABLOCK (section 2.2.4.2.1) structures.