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- src/si/vgpu-stream: in-guest vgpu producer built as a Windows cross-compiled target (if(WIN32)) - .gitea: release workflow — cross-build the agent and build/publish the deb against system vmie - cmake/makefile: resolve vmie from a source tree (LIBVMIE_PATH) or installed libvmie-dev
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
#ifndef VGPU_CTX_H
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#define VGPU_CTX_H
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/* ctx.h — win32 runtime context. Embeds the neutral region-view (the engine's
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* borrowed handle onto the contract) alongside win32-owned staging/cursor/sync
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* state. Object = memory: ctx owns the staging arena and cursor state. */
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#include <stdint.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include "stream.h" /* vgpu_region_view (neutral contract handle) */
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#include "region.h" /* vgpu_region_t (win32 pinned region) */
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/*
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* vgpu_ctx — the explicitly-passed context. Replaces all former g_* shared
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* state. Object = memory: ctx owns the producer staging arena and cursor
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* state; capture threads receive a vgpu_ctx* via their LPVOID thread param.
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*
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* Staging is a fixed arena sized for the max mode (no STL, no per-frame
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* malloc). content_buf holds the latest submitted desktop; frame_buf is the
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* composed (cursor-drawn) frame the publisher copies into a ring slot.
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*/
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#define VGPU_STAGING_BYTES ((size_t)VGPU_MAX_WIDTH * VGPU_MAX_HEIGHT * 4u)
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/* Cursor sample/compose state (GDI). Fixed buffers, no heap. */
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typedef struct {
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HCURSOR handle;
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int visible;
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int x, y;
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int hot_x, hot_y;
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int gw, gh; /* glyph dims */
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int cursor_id; /* VGPU_CURSOR_ID_* resolved on shape change */
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int mono; /* 1 = AND/XOR monochrome cursor */
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uint8_t* bgra; /* color cursor BGRA (arena) */
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uint8_t* and_mask; /* mono AND (arena) */
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uint8_t* xor_mask; /* mono XOR (arena) */
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} vgpu_cursor_t;
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typedef struct vgpu_ctx {
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/* neutral contract handle (borrowed from region) — engine publishes through
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* this; win32 code reads region blocks via view.producer / view.control */
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vgpu_region_view view;
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/* producer staging arena (owned) */
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uint8_t* arena; /* one VirtualAlloc block for all buffers */
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size_t arena_bytes;
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uint8_t* content_buf; /* latest submitted desktop, tight BGRA */
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uint8_t* frame_buf; /* composed frame to publish, tight BGRA */
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/* submit handoff (capture thread -> publish pump) */
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CRITICAL_SECTION lock;
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HANDLE submit_event;
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int64_t content_seq; /* bumped on every submit */
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uint32_t content_w, content_h;
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/* cursor */
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vgpu_cursor_t cursor;
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/* runtime config (resolved from control) */
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uint32_t default_fps; /* fps from CLI; used when target_fps==0 */
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uint32_t backend; /* VGPU_BK_* chosen */
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int draw_cursor_cap; /* backend capability: does it need SW cursor */
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} vgpu_ctx;
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#endif /* VGPU_CTX_H */
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