system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-10-14 20:28:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

opengl32: Cache driver pixel format information.

Browse source 
Use the glReserved1 area in the Teb to cache the latest pixel format
information requested from the driver.
This commit is contained in:
Alexandros Frantzis 2024-04-19 16:01:06 +03:00 committed by Alexandre Julliard
parent 9943ab6e20
commit ab70da6dd5
1 changed files with 23 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
dlls/opengl32/wgl.c
View file

@ -42,6 +42,11 @@ WINE_DECLARE_DEBUG_CHANNEL(fps);
static const MAT2 identity = { {0,1},{0,0},{0,0},{0,1} };
#define WINE_GL_RESERVED_FORMATS_HDC 2
#define WINE_GL_RESERVED_FORMATS_PTR 3
#define WINE_GL_RESERVED_FORMATS_NUM 4
#define WINE_GL_RESERVED_FORMATS_ONSCREEN 5
#ifndef _WIN64
static char **wow64_strings;
@ -299,8 +304,16 @@ static struct wgl_pixel_format *get_pixel_formats( HDC hdc, UINT *num_formats,
UINT *num_onscreen_formats )
{
struct get_pixel_formats_params args = { .teb = NtCurrentTeb(), .hdc = hdc };
PVOID *glReserved = NtCurrentTeb()->glReserved1;
NTSTATUS status;
if (glReserved[WINE_GL_RESERVED_FORMATS_HDC] == hdc)
{
*num_formats = PtrToUlong( glReserved[WINE_GL_RESERVED_FORMATS_NUM] );
*num_onscreen_formats = PtrToUlong( glReserved[WINE_GL_RESERVED_FORMATS_ONSCREEN] );
return glReserved[WINE_GL_RESERVED_FORMATS_PTR];
}
if ((status = UNIX_CALL( get_pixel_formats, &args ))) goto error;
if (!(args.formats = malloc( sizeof(*args.formats) * args.num_formats ))) goto error;
args.max_formats = args.num_formats;
@ -308,6 +321,13 @@ static struct wgl_pixel_format *get_pixel_formats( HDC hdc, UINT *num_formats,
*num_formats = args.num_formats;
*num_onscreen_formats = args.num_onscreen_formats;
free( glReserved[WINE_GL_RESERVED_FORMATS_PTR] );
glReserved[WINE_GL_RESERVED_FORMATS_HDC] = hdc;
glReserved[WINE_GL_RESERVED_FORMATS_PTR] = args.formats;
glReserved[WINE_GL_RESERVED_FORMATS_NUM] = ULongToPtr( args.num_formats );
glReserved[WINE_GL_RESERVED_FORMATS_ONSCREEN] = ULongToPtr( args.num_onscreen_formats );
return args.formats;
error:
@ -333,7 +353,6 @@ INT WINAPI wglDescribePixelFormat( HDC hdc, int index, UINT size, PIXELFORMATDES
*ppfd = formats[index - 1].pfd;
free( formats );
return num_onscreen_formats;
}
@ -1374,6 +1393,9 @@ BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
#ifndef _WIN64
cleanup_wow64_strings();
#endif
/* fallthrough */
case DLL_THREAD_DETACH:
free( NtCurrentTeb()->glReserved1[WINE_GL_RESERVED_FORMATS_PTR] );
return TRUE;
}
return TRUE;