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xlib: implement SP_NO_RAST env var

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This commit is contained in:
Keith Whitwell 2008-04-22 11:01:56 +01:00
parent a5b87f249e
commit d07ed9216c
1 changed files with 14 additions and 1 deletions
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15
src/gallium/winsys/xlib/xm_winsys.c
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@ -84,6 +84,7 @@ struct xmesa_surface
struct pipe_surface surface;
int tileSize;
boolean no_swap;
};
@ -252,6 +253,9 @@ xmesa_display_surface(XMesaBuffer b, const struct pipe_surface *surf)
const struct xmesa_surface *xm_surf
= xmesa_surface((struct pipe_surface *) surf);
if (xm_surf->no_swap)
return;
if (xm_surf->tileSize) {
xmesa_display_surface_tiled(b, surf);
return;
@ -529,6 +533,13 @@ static struct pipe_surface *
xm_surface_alloc(struct pipe_winsys *ws)
{
struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface);
static boolean no_swap = 0;
static boolean firsttime = 1;
if (firsttime) {
no_swap = getenv("SP_NO_RAST") != NULL;
firsttime = 0;
}
assert(ws);
@ -540,7 +551,9 @@ xm_surface_alloc(struct pipe_winsys *ws)
xms->tileSize = 32; /** probably temporary */
}
#endif
xms->no_swap = no_swap;
return &xms->surface;
}