diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_blitter.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_blitter.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index 46c297993f..c42e2dbece 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -568,15 +568,14 @@ void util_blitter_clear(struct blitter_context *blitter, } static boolean -is_overlap(int sx1, int sx2, int sy1, int sy2, int dx1, int dx2, int dy1, int dy2) +is_overlap(unsigned sx1, unsigned sx2, unsigned sy1, unsigned sy2, + unsigned dx1, unsigned dx2, unsigned dy1, unsigned dy2) { - if (((sx1 >= dx1) && (sx1 <= dx2) && (sy1 >= dy1) && (sy1 <= dy2)) || /* TL x1, y1 */ - ((sx2 >= dx1) && (sx2 <= dx2) && (sy1 >= dy1) && (sy1 <= dy2)) || /* TR x2, y1 */ - ((sx1 >= dx1) && (sx1 <= dx2) && (sy2 >= dy1) && (sy2 <= dy2)) || /* BL x1, y2 */ - ((sx2 >= dx1) && (sx2 <= dx2) && (sy2 >= dy1) && (sy2 <= dy2))) /* BR x2, y2 */ - return TRUE; - else - return FALSE; + if (sx1 >= dx2 || sx2 <= dx1 || sy1 >= dy2 || sy2 <= dy1) { + return FALSE; + } else { + return TRUE; + } } static void util_blitter_do_copy(struct blitter_context *blitter, @@ -713,7 +712,6 @@ void util_blitter_copy(struct blitter_context *blitter, struct pipe_screen *screen = pipe->screen; boolean is_stencil, is_depth; unsigned dst_tex_usage; - boolean is_overlap_flag; /* give up if textures are not set */ assert(dst->texture && src->texture); @@ -721,12 +719,11 @@ void util_blitter_copy(struct blitter_context *blitter, return; if (dst->texture == src->texture) { - if (is_overlap(srcx, srcx + (width - 1), srcy, srcy + (height - 1), - dstx, dstx + (width - 1), dsty, dsty + (height - 1))) { - is_overlap_flag = TRUE; - util_blitter_overlap_copy(blitter, dst, dstx, dsty, src, srcx, srcy, - width, height); - return; + if (is_overlap(srcx, srcx + width, srcy, srcy + height, + dstx, dstx + width, dsty, dsty + height)) { + util_blitter_overlap_copy(blitter, dst, dstx, dsty, src, srcx, srcy, + width, height); + return; } } |