From b64108fa305e956e4edaae9d53071ff0abee268e Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Wed, 25 May 2016 19:09:23 +0900 Subject: glamor: Check for composite operations which are equivalent to copies MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Increases x11perf -compwinwin500 numbers by a factor of 10 for me with radeonsi. Conditions copied from exaComposite(). Signed-off-by: Michel Dänzer Reviewed-by: Alex Deucher --- glamor/glamor_render.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'glamor') diff --git a/glamor/glamor_render.c b/glamor/glamor_render.c index cc03136d5..88781d9b8 100644 --- a/glamor/glamor_render.c +++ b/glamor/glamor_render.c @@ -1406,6 +1406,29 @@ glamor_composite_clipped_region(CARD8 op, DEBUGF("clipped (%d %d) (%d %d) (%d %d) width %d height %d \n", x_source, y_source, x_mask, y_mask, x_dest, y_dest, width, height); + /* Is the composite operation equivalent to a copy? */ + if (!mask && !source->alphaMap && !dest->alphaMap + && source->pDrawable && !source->transform + && ((op == PictOpSrc + && ((source->format == dest->format + || (PICT_FORMAT_COLOR(dest->format) + && PICT_FORMAT_COLOR(source->format) + && dest->format == PICT_FORMAT(PICT_FORMAT_BPP(source->format), + PICT_FORMAT_TYPE(source->format), + 0, + PICT_FORMAT_R(source->format), + PICT_FORMAT_G(source->format), + PICT_FORMAT_B(source->format)))) + || (op == PictOpOver + && source->format == dest->format + && !PICT_FORMAT_A(source->format)))))) { + glamor_copy(source->pDrawable, dest->pDrawable, NULL, + box, nbox, x_source - x_dest, + y_source - y_dest, FALSE, FALSE, 0, NULL); + ok = TRUE; + goto out; + } + /* XXX is it possible source mask have non-zero drawable.x/y? */ if (source && ((!source->pDrawable -- cgit v1.2.3