obs-studio/plugins/win-capture/graphics-hook-info.h

118 lines
2.6 KiB
C

#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include "hook-helpers.h"
#define EVENT_CAPTURE_RESTART L"CaptureHook_Restart"
#define EVENT_CAPTURE_STOP L"CaptureHook_Stop"
#define EVENT_HOOK_READY L"CaptureHook_HookReady"
#define EVENT_HOOK_EXIT L"CaptureHook_Exit"
#define EVENT_HOOK_INIT L"CaptureHook_Initialize"
#define WINDOW_HOOK_KEEPALIVE L"CaptureHook_KeepAlive"
#define MUTEX_TEXTURE1 L"CaptureHook_TextureMutex1"
#define MUTEX_TEXTURE2 L"CaptureHook_TextureMutex2"
#define SHMEM_HOOK_INFO L"CaptureHook_HookInfo"
#define SHMEM_TEXTURE L"CaptureHook_Texture"
#define PIPE_NAME "CaptureHook_Pipe"
#pragma pack(push, 8)
struct d3d8_offsets {
uint32_t present;
};
struct d3d9_offsets {
uint32_t present;
uint32_t present_ex;
uint32_t present_swap;
uint32_t d3d9_clsoff;
uint32_t is_d3d9ex_clsoff;
};
struct dxgi_offsets {
uint32_t present;
uint32_t resize;
uint32_t present1;
};
struct ddraw_offsets {
uint32_t surface_create;
uint32_t surface_restore;
uint32_t surface_release;
uint32_t surface_unlock;
uint32_t surface_blt;
uint32_t surface_flip;
uint32_t surface_set_palette;
uint32_t palette_set_entries;
};
struct shmem_data {
volatile int last_tex;
uint32_t tex1_offset;
uint32_t tex2_offset;
};
struct shtex_data {
uint32_t tex_handle;
};
enum capture_type {
CAPTURE_TYPE_MEMORY,
CAPTURE_TYPE_TEXTURE
};
struct graphics_offsets {
struct d3d8_offsets d3d8;
struct d3d9_offsets d3d9;
struct dxgi_offsets dxgi;
struct ddraw_offsets ddraw;
};
struct hook_info {
/* capture info */
enum capture_type type;
uint32_t window;
uint32_t format;
uint32_t cx;
uint32_t cy;
uint32_t base_cx;
uint32_t base_cy;
uint32_t pitch;
uint32_t map_id;
uint32_t map_size;
bool flip;
/* additional options */
uint64_t frame_interval;
bool use_scale;
bool force_shmem;
bool capture_overlay;
/* hook addresses */
struct graphics_offsets offsets;
};
#pragma pack(pop)
#define GC_MAPPING_FLAGS (FILE_MAP_READ | FILE_MAP_WRITE)
static inline HANDLE create_hook_info(DWORD id)
{
wchar_t new_name[64];
_snwprintf(new_name, 64, L"%s%lu", SHMEM_HOOK_INFO, id);
return CreateFileMappingW(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE,
0, sizeof(struct hook_info), new_name);
}