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acbc46e708
Not a full list since not all can easily be tested but hey, better than nothing. See https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2181 Assisted-by: Claude:claude-claude-opus-4-6 Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2187>
85 lines
2 KiB
Python
85 lines
2 KiB
Python
# SPDX-License-Identifier: MIT
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#
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# X-Resource extension protocol request builders for byteswap testing.
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import struct
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from dataclasses import dataclass, field
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# XRes minor opcodes
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XResQueryVersion = 0
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XResQueryClients = 1
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XResQueryClientResources = 2
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XResQueryClientPixmapBytes = 3
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XResQueryClientIds = 4
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XResQueryResourceBytes = 5
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@dataclass
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class QueryVersionRequest:
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"""XResQueryVersion request."""
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opcode: int
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major: int = 1
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minor: int = 2
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def to_bytes(self, byte_order: str = "<") -> bytes:
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return struct.pack(
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f"{byte_order}BBHBB xx",
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self.opcode,
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XResQueryVersion,
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2,
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self.major,
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self.minor,
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)
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@dataclass
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class QueryClientsRequest:
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"""XResQueryClients request."""
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opcode: int
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def to_bytes(self, byte_order: str = "<") -> bytes:
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return struct.pack(
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f"{byte_order}BBH",
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self.opcode,
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XResQueryClients,
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1,
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)
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@dataclass
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class QueryClientIdsRequest:
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"""XResQueryClientIds request.
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Followed by numSpecs xXResClientIdSpec entries (8 bytes each:
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client CARD32 + mask CARD32).
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"""
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opcode: int
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specs: list[tuple[int, int]] = field(default_factory=list) # (client, mask) pairs
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num_specs_override: int | None = None
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def to_bytes(self, byte_order: str = "<") -> bytes:
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num_specs = (
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self.num_specs_override
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if self.num_specs_override is not None
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else len(self.specs)
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)
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spec_data = b""
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for client, mask in self.specs:
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spec_data += struct.pack(f"{byte_order}II", client, mask)
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total = 8 + len(spec_data)
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pad_len = (4 - total % 4) % 4
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length = (total + pad_len) // 4
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header = struct.pack(
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f"{byte_order}BBH I",
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self.opcode,
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XResQueryClientIds,
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length,
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num_specs,
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)
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return header + spec_data + b"\x00" * pad_len
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