dad861b036
For game capture, hook DXGI release function to release D3D objects if the related swap chain is also being destroyed. An added bonus is that the game capture hook will handle swap chain recreation for applications that don't use ResizeBuffers.
138 lines
2.6 KiB
C
138 lines
2.6 KiB
C
#pragma once
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#include <assert.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include "hook-helpers.h"
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#define EVENT_CAPTURE_RESTART L"CaptureHook_Restart"
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#define EVENT_CAPTURE_STOP L"CaptureHook_Stop"
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#define EVENT_HOOK_READY L"CaptureHook_HookReady"
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#define EVENT_HOOK_EXIT L"CaptureHook_Exit"
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#define EVENT_HOOK_INIT L"CaptureHook_Initialize"
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#define WINDOW_HOOK_KEEPALIVE L"CaptureHook_KeepAlive"
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#define MUTEX_TEXTURE1 L"CaptureHook_TextureMutex1"
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#define MUTEX_TEXTURE2 L"CaptureHook_TextureMutex2"
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#define SHMEM_HOOK_INFO L"CaptureHook_HookInfo"
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#define SHMEM_TEXTURE L"CaptureHook_Texture"
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#define PIPE_NAME "CaptureHook_Pipe"
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#pragma pack(push, 8)
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struct d3d8_offsets {
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uint32_t present;
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};
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struct d3d9_offsets {
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uint32_t present;
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uint32_t present_ex;
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uint32_t present_swap;
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uint32_t d3d9_clsoff;
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uint32_t is_d3d9ex_clsoff;
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};
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struct dxgi_offsets {
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uint32_t present;
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uint32_t resize;
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uint32_t present1;
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};
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struct dxgi_offsets2 {
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uint32_t release;
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};
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struct ddraw_offsets {
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uint32_t surface_create;
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uint32_t surface_restore;
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uint32_t surface_release;
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uint32_t surface_unlock;
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uint32_t surface_blt;
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uint32_t surface_flip;
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uint32_t surface_set_palette;
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uint32_t palette_set_entries;
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};
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struct shmem_data {
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volatile int last_tex;
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uint32_t tex1_offset;
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uint32_t tex2_offset;
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};
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struct shtex_data {
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uint32_t tex_handle;
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};
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enum capture_type {
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CAPTURE_TYPE_MEMORY,
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CAPTURE_TYPE_TEXTURE,
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};
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struct graphics_offsets {
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struct d3d8_offsets d3d8;
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struct d3d9_offsets d3d9;
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struct dxgi_offsets dxgi;
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struct ddraw_offsets ddraw;
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struct dxgi_offsets2 dxgi2;
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};
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struct hook_info {
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/* hook version */
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uint32_t hook_ver_major;
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uint32_t hook_ver_minor;
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/* capture info */
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enum capture_type type;
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uint32_t window;
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uint32_t format;
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uint32_t cx;
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uint32_t cy;
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uint32_t UNUSED_base_cx;
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uint32_t UNUSED_base_cy;
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uint32_t pitch;
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uint32_t map_id;
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uint32_t map_size;
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bool flip;
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/* additional options */
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uint64_t frame_interval;
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bool UNUSED_use_scale;
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bool force_shmem;
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bool capture_overlay;
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/* hook addresses */
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struct graphics_offsets offsets;
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uint32_t reserved[127];
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};
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static_assert(sizeof(struct hook_info) == 648, "ABI compatibility");
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#pragma pack(pop)
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#define GC_MAPPING_FLAGS (FILE_MAP_READ | FILE_MAP_WRITE)
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static inline HANDLE create_hook_info(DWORD id)
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{
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HANDLE handle = NULL;
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wchar_t new_name[64];
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const int len = swprintf(new_name, _countof(new_name),
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SHMEM_HOOK_INFO L"%lu", id);
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if (len > 0) {
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handle = CreateFileMappingW(INVALID_HANDLE_VALUE, NULL,
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PAGE_READWRITE, 0,
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sizeof(struct hook_info), new_name);
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}
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return handle;
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}
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