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winex11.drv: Allow disabling vertical sync using EXT_swap_control. 

EXT_swap_control redefines glXSwapIntervalSGI() as glXSwapIntervalEXT() on the
current drawable (if any), and glXSwapIntervalEXT() supports disabling vsync.
This commit is contained in:
Henri Verbeet 2011-03-07 21:45:27 +01:00 committed by Alexandre Julliard
parent 015ad93d47
commit 727ecc1714
1 changed files with 5 additions and 1 deletions
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6
dlls/winex11.drv/opengl.c
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@ -150,6 +150,7 @@ static Wine_GLContext *context_list;
static struct WineGLInfo WineGLInfo = { 0 };
static int use_render_texture_emulation = 1;
static int use_render_texture_ati = 0;
static BOOL has_swap_control;
static int swap_interval = 1;
#define MAX_EXTENSIONS 16
@ -3424,7 +3425,7 @@ static BOOL WINAPI X11DRV_wglSwapIntervalEXT(int interval) {
SetLastError(ERROR_INVALID_DATA);
return FALSE;
}
else if (interval == 0)
else if (!has_swap_control && interval == 0)
{
/* wglSwapIntervalEXT considers an interval value of zero to mean that
* vsync should be disabled, but glXSwapIntervalSGI considers such a
@ -3738,6 +3739,9 @@ static void X11DRV_WineGL_LoadExtensions(void)
if(glxRequireExtension("GLX_EXT_fbconfig_packed_float"))
register_extension_string("WGL_EXT_pixel_format_packed_float");
if (glxRequireExtension("GLX_EXT_swap_control"))
has_swap_control = TRUE;
/* The OpenGL extension GL_NV_vertex_array_range adds wgl/glX functions which aren't exported as 'real' wgl/glX extensions. */
if(strstr(WineGLInfo.glExtensions, "GL_NV_vertex_array_range") != NULL)
register_extension(&WGL_NV_vertex_array_range);