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winex11: Support WGL_EXT_swap_control_tear.

This commit is contained in:
Roderick Colenbrander 2013-09-01 21:58:54 -07:00 committed by Alexandre Julliard
parent e95e77a19f
commit dee3418d3a
1 changed files with 11 additions and 1 deletions
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12
dlls/winex11.drv/opengl.c
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@ -281,6 +281,8 @@ static int use_render_texture_emulation = 1;
/* Selects the preferred GLX swap control method for use by wglSwapIntervalEXT */
static enum glx_swap_control_method swap_control_method = GLX_SWAP_CONTROL_NONE;
/* Set when GLX_EXT_swap_control_tear is supported, requires GLX_SWAP_CONTROL_EXT */
static BOOL has_swap_control_tear = FALSE;
static CRITICAL_SECTION context_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
@ -2937,7 +2939,10 @@ static BOOL X11DRV_wglSwapIntervalEXT(int interval)
TRACE("(%d)\n", interval);
if (interval < 0)
/* Without WGL/GLX_EXT_swap_control_tear a negative interval
* is invalid.
*/
if (interval < 0 && !has_swap_control_tear)
{
SetLastError(ERROR_INVALID_DATA);
return FALSE;
@ -3135,6 +3140,11 @@ static void X11DRV_WineGL_LoadExtensions(void)
if (has_extension( WineGLInfo.glxExtensions, "GLX_EXT_swap_control"))
{
swap_control_method = GLX_SWAP_CONTROL_EXT;
if (has_extension( WineGLInfo.glxExtensions, "GLX_EXT_swap_control_tear"))
{
register_extension("WGL_EXT_swap_control_tear");
has_swap_control_tear = TRUE;
}
}
else if (has_extension( WineGLInfo.glxExtensions, "GLX_SGI_swap_control"))
{