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Improve behavior a bit.

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This commit is contained in:
Themaister 2011-08-07 22:31:59 +02:00
parent 1fb53627ac
commit a2ec78320b
1 changed files with 17 additions and 9 deletions
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26
gfx/gfx_common.c
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@ -63,6 +63,17 @@ bool gfx_window_title(char *buf, size_t size)
#ifdef _WIN32
#include <windows.h>
#include "dynamic.h"
// We only load this library once, so we let it be unloaded at application shutdown,
// since unloading it early seems to cause issues on some systems.
static dylib_t dwmlib = NULL;
static void gfx_dwm_shutdown(void)
{
if (dwmlib)
dylib_close(dwmlib);
}
void gfx_set_dwm(void)
{
static bool inited = false;
@ -70,14 +81,15 @@ void gfx_set_dwm(void)
return;
inited = true;
dylib_t lib = dylib_load("dwmapi.dll");
if (!lib)
dwmlib = dylib_load("dwmapi.dll");
if (!dwmlib)
{
SSNES_LOG("Did not find dwmapi.dll");
return;
}
atexit(gfx_dwm_shutdown);
HRESULT (WINAPI *mmcss)(BOOL) = (HRESULT (WINAPI*)(BOOL))dylib_proc(lib, "DwmEnableMMCSS");
HRESULT (WINAPI *mmcss)(BOOL) = (HRESULT (WINAPI*)(BOOL))dylib_proc(dwmlib, "DwmEnableMMCSS");
if (mmcss)
{
SSNES_LOG("Setting multimedia scheduling for DWM.\n");
@ -85,22 +97,18 @@ void gfx_set_dwm(void)
}
if (!g_settings.video.disable_composition)
goto end;
return;
HRESULT (WINAPI *composition_enable)(UINT) = (HRESULT (WINAPI*)(UINT))dylib_proc(lib, "DwmEnableComposition");
HRESULT (WINAPI *composition_enable)(UINT) = (HRESULT (WINAPI*)(UINT))dylib_proc(dwmlib, "DwmEnableComposition");
if (!composition_enable)
{
SSNES_ERR("Did not find DwmEnableComposition ...\n");
dylib_close(lib);
return;
}
HRESULT ret = composition_enable(0);
if (FAILED(ret))
SSNES_ERR("Failed to set composition state ...\n");
end:
dylib_close(lib);
}
#endif