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win-capture: Cache data to reduce load time

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Caches the D3D graphics offsets to file for the sake of improving module
load time.  If the D3D/DXGI DLL versions change, the data will be
refreshed.
This commit is contained in:
jp9000
2015-10-03 23:30:00 -07:00
parent b038ed8d1d
commit f29ac7770c
2 changed files with 142 additions and 1 deletions
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16
plugins/win-capture/plugin-main.c
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@@ -1,6 +1,7 @@
#include <windows.h>
#include <obs-module.h>
#include <util/windows/win-version.h>
#include <util/platform.h>
OBS_DECLARE_MODULE()
OBS_MODULE_USE_DEFAULT_LOCALE("win-capture", "en-US")
@@ -10,6 +11,8 @@ extern struct obs_source_info monitor_capture_info;
extern struct obs_source_info window_capture_info;
extern struct obs_source_info game_capture_info;
extern bool cached_versions_match(void);
extern bool load_cached_graphics_offsets(bool is32bit);
extern bool load_graphics_offsets(bool is32bit);
/* temporary, will eventually be erased once we figure out how to create both
@@ -24,6 +27,13 @@ bool obs_module_load(void)
{
struct win_version_info ver;
bool win8_or_above = false;
char *config_dir;
config_dir = obs_module_config_path(NULL);
if (config_dir) {
os_mkdirs(config_dir);
bfree(config_dir);
}
get_win_ver(&ver);
@@ -40,7 +50,11 @@ bool obs_module_load(void)
obs_register_source(&window_capture_info);
if (load_graphics_offsets(IS32BIT)) {
if (cached_versions_match() && load_cached_graphics_offsets(IS32BIT)) {
load_cached_graphics_offsets(!IS32BIT);
obs_register_source(&game_capture_info);
} else if (load_graphics_offsets(IS32BIT)) {
load_graphics_offsets(!IS32BIT);
obs_register_source(&game_capture_info);
}