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glamor: Accelerate up XY pixmap putimage a little

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Convert the image to a temporary CPU pixmap, then copy that to the
destination. This is a lot faster for small images, and not any slower
for large images.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2016-09-30 22:44:01 -07:00 • committed by Olivier Fourdan
parent 4ac585763f
commit 0164c2ddfd
1 changed files with 48 additions and 0 deletions
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48
glamor/glamor_image.c
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@ -237,6 +237,52 @@ bail:
return ret;
}
/*
* Create a temporary in-memory pixmap, put the image there then copy
* to the destination.
*/
static Bool
glamor_put_image_xy_gl(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
ScreenPtr screen = drawable->pScreen;
PixmapPtr temp_pixmap = NULL;
DrawablePtr temp_drawable;
GCPtr temp_gc;
Bool ret = FALSE;
ChangeGCVal gcv[3];
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
return FALSE;
temp_pixmap = (*screen->CreatePixmap)(screen, w, h, drawable->depth, GLAMOR_CREATE_PIXMAP_CPU);
if (!temp_pixmap)
goto bail;
temp_drawable = &temp_pixmap->drawable;
temp_gc = GetScratchGC(temp_drawable->depth, screen);
if (!temp_gc)
goto bail_pixmap;
/* copy mode for the first plane to clear all of the other bits */
gcv[0].val = GXcopy;
gcv[1].val = gc->fgPixel;
gcv[2].val = gc->bgPixel;
ChangeGC(NullClient, temp_gc, GCFunction|GCForeground|GCBackground, gcv);
ValidateGC(temp_drawable, temp_gc);
(*temp_gc->ops->PutImage)(temp_drawable, temp_gc, depth, 0, 0, w, h, leftPad, format, bits);
(*gc->ops->CopyArea)(&temp_pixmap->drawable, drawable, gc, 0, 0, w, h, x, y);
ret = TRUE;
FreeScratchGC(temp_gc);
bail_pixmap:
(*screen->DestroyPixmap)(temp_pixmap);
bail:
return ret;
}
static void
glamor_put_image_bail(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
@ -256,6 +302,8 @@ glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
return;
break;
case XYPixmap:
if (glamor_put_image_xy_gl(drawable, gc, depth, x, y, w, h, leftPad, format, bits))
return;
break;
case XYBitmap:
if (glamor_put_image_xybitmap_gl(drawable, gc, x, y, w, h, leftPad, bits))