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st/egl: add a fast path for ximage eglCopyBuffers

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This commit is contained in:
Chia-I Wu 2011-06-25 16:18:11 +09:00
parent 7c4e9dcdce
commit 53d354b224
1 changed files with 40 additions and 1 deletions
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41
src/gallium/state_trackers/egl/x11/native_ximage.c
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@ -447,6 +447,45 @@ ximage_display_is_pixmap_supported(struct native_display *ndpy,
return (fmt == nconf->color_format);
}
static boolean
ximage_display_copy_to_pixmap(struct native_display *ndpy,
EGLNativePixmapType pix,
struct pipe_resource *src)
{
/* fast path to avoid unnecessary allocation and resource_copy_region */
if (src->bind & PIPE_BIND_DISPLAY_TARGET) {
struct ximage_display *xdpy = ximage_display(ndpy);
enum pipe_format fmt = get_pixmap_format(&xdpy->base, pix);
const struct ximage_config *xconf;
struct xlib_drawable xdraw;
int i;
if (fmt == PIPE_FORMAT_NONE || src->format != fmt)
return FALSE;
for (i = 0; i < xdpy->num_configs; i++) {
if (xdpy->configs[i].base.color_format == fmt) {
xconf = &xdpy->configs[i];
break;
}
}
if (!xconf)
return FALSE;
memset(&xdraw, 0, sizeof(xdraw));
xdraw.visual = xconf->visual->visual;
xdraw.depth = xconf->visual->depth;
xdraw.drawable = (Drawable) pix;
xdpy->base.screen->flush_frontbuffer(xdpy->base.screen,
src, 0, 0, &xdraw);
return TRUE;
}
return native_display_copy_to_pixmap(ndpy, pix, src);
}
static int
ximage_display_get_param(struct native_display *ndpy,
enum native_param_type param)
@ -542,7 +581,7 @@ x11_create_ximage_display(Display *dpy,
xdpy->base.get_configs = ximage_display_get_configs;
xdpy->base.is_pixmap_supported = ximage_display_is_pixmap_supported;
xdpy->base.copy_to_pixmap = native_display_copy_to_pixmap;
xdpy->base.copy_to_pixmap = ximage_display_copy_to_pixmap;
xdpy->base.create_window_surface = ximage_display_create_window_surface;
xdpy->base.create_pixmap_surface = ximage_display_create_pixmap_surface;