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M2(Vulkan): too-late detection + red relaunch banner on the mirror window

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The hook reports vk_too_late when vulkan-1.dll is loaded and the GPA hook has
been in for >4s but it never caught the app creating its device -- i.e. the app
resolved its Vulkan functions before we hooked (injected too late). Surfaced
through a new HookStatus.vk_too_late field (protocol 15->16) and shown by the
host as a red banner on the mirror window: "Detected a Vulkan game, but the
mirror hook attached too late... enable Auto re-attach (and Set up Vulkan layer
if it persists) and relaunch." WGC keeps mirroring meanwhile.

mock_game_test gains a too-late detection check (late-inject a Vulkan game ->
vk_too_late trips). Verified live: the banner shows over the running tool when a
Vulkan game is injected late with the video subsystem on (added a debug-harness
`video on/off` command to drive it). 15/15 ctest.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
BlackMark
2026-06-22 12:51:34 +02:00
parent dd976979a1
commit 894285459c
8 changed files with 124 additions and 5 deletions
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7
common/include/coop/protocol.hpp
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@@ -12,7 +12,7 @@ namespace coop
// Bump whenever the layout of SharedBlock or CoopPadState changes. The hook
// refuses to attach to a host with a mismatched version.
inline constexpr std::uint32_t kProtocolVersion = 15;
inline constexpr std::uint32_t kProtocolVersion = 16;
// 'COOP' little-endian, used to sanity-check the mapping before trusting it.
inline constexpr std::uint32_t kProtocolMagic = 0x504F4F43u;
@@ -132,6 +132,11 @@ struct HookStatus
std::uint32_t raw_input_gamepad_sink; // ... and that usage has RIDEV_INPUTSINK (bg delivery)
std::uint32_t dinput_loaded; // dinput8.dll is present in the process
// Video: set when vulkan-1.dll is loaded but the Vulkan capture hook attached too late to
// catch the game's present (it resolved its present pointer before us). Drives the host's
// "relaunch with Auto-attach / Vulkan layer" red banner.
std::uint32_t vk_too_late;
// Audio render-hook diagnostics. Stream counting runs whenever the DLL is
// injected, independent of whether audio mirroring is enabled, so a
// multi-stream game is visible before/without turning the mirror on.