On Mon, Feb 25, 2013 at 03:39:00PM +1000, airl...@gmail.com wrote:
> From: Dave Airlie <airl...@gmail.com>
>
> This makes X -retro actually render fast, as opposed to glacially slow.
Works with xspice. Didn't grok it otherwise.
Tested-by ...
>
> Signed-off-by: Dave Airlie <airl...@redhat.com>
> ---
> src/uxa/uxa-accel.c | 78
> ++++++++++++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 68 insertions(+), 10 deletions(-)
>
> diff --git a/src/uxa/uxa-accel.c b/src/uxa/uxa-accel.c
> index e456e6c..f7c32b7 100644
> --- a/src/uxa/uxa-accel.c
> +++ b/src/uxa/uxa-accel.c
> @@ -1137,7 +1137,7 @@ uxa_fill_region_tiled(DrawablePtr pDrawable,
> int nbox = REGION_NUM_RECTS(pRegion);
> BoxPtr pBox = REGION_RECTS(pRegion);
> Bool ret = FALSE;
> -
> + int i;
> tileWidth = pTile->drawable.width;
> tileHeight = pTile->drawable.height;
>
> @@ -1157,24 +1157,31 @@ uxa_fill_region_tiled(DrawablePtr pDrawable,
> !uxa_screen->info->check_copy(pTile, pPixmap, alu, planemask))
> return FALSE;
>
> - REGION_TRANSLATE(pScreen, pRegion, xoff, yoff);
>
> if ((*uxa_screen->info->prepare_copy) (pTile, pPixmap, 1, 1, alu,
> planemask)) {
> - while (nbox--) {
> - int height = pBox->y2 - pBox->y1;
> - int dstY = pBox->y1;
> + if (xoff || yoff)
> + REGION_TRANSLATE(pScreen, pRegion, xoff, yoff);
> +
> + for (i = 0; i < nbox; i++) {
> + int height = pBox[i].y2 - pBox[i].y1;
> + int dstY = pBox[i].y1;
> int tileY;
>
> + if (alu == GXcopy)
> + height = min(height, tileHeight);
> +
> modulus(dstY - yoff - pDrawable->y - pPatOrg->y,
> tileHeight, tileY);
>
> while (height > 0) {
> - int width = pBox->x2 - pBox->x1;
> - int dstX = pBox->x1;
> + int width = pBox[i].x2 - pBox[i].x1;
> + int dstX = pBox[i].x1;
> int tileX;
> int h = tileHeight - tileY;
>
> + if (alu == GXcopy)
> + width = min(width, tileWidth);
> if (h > height)
> h = height;
> height -= h;
> @@ -1198,15 +1205,66 @@ uxa_fill_region_tiled(DrawablePtr pDrawable,
> dstY += h;
> tileY = 0;
> }
> - pBox++;
> }
> (*uxa_screen->info->done_copy) (pPixmap);
>
> - ret = TRUE;
> + if (alu != GXcopy)
> + ret = TRUE;
> + else {
> + Bool more_copy = FALSE;
> +
> + for (i = 0; i < nbox; i++) {
> + int dstX = pBox[i].x1 + tileWidth;
> + int dstY = pBox[i].y1 + tileHeight;
> +
> + if ((dstX < pBox[i].x2) || (dstY < pBox[i].y2))
> {
> + more_copy = TRUE;
> + break;
> + }
> + }
> +
> + if (more_copy == FALSE)
> + ret = TRUE;
> +
> + if (more_copy && (*uxa_screen->info->prepare_copy)
> (pPixmap, pPixmap, 1, 1, alu, planemask)) {
> + for (i = 0; i < nbox; i++) {
> + int dstX = pBox[i].x1 + tileWidth;
> + int dstY = pBox[i].y1 + tileHeight;
> + int width = min(pBox[i].x2 - dstX,
> tileWidth);
> + int height = min(pBox[i].y2 -
> pBox[i].y1, tileHeight);
> +
> + while (dstX < pBox[i].x2) {
> + (*uxa_screen->info->copy)
> (pPixmap,
> +
> pBox[i].x1, pBox[i].y1,
> +
> dstX, pBox[i].y1,
> +
> width, height);
> + dstX += width;
> + width = min(pBox[i].x2 - dstX,
> width * 2);
> + }
> +
> + width = pBox[i].x2 - pBox[i].x1;
> + height = min(pBox[i].y2 - dstY,
> tileHeight);
> +
> + while (dstY < pBox[i].y2) {
> + (*uxa_screen->info->copy)
> (pPixmap,
> +
> pBox[i].x1, pBox[i].y1,
> +
> pBox[i].x1, dstY,
> +
> width, height);
> + dstY += height;
> + height = min(pBox[i].y2 - dstY,
> height * 2);
> + }
> + }
> + (*uxa_screen->info->done_copy) (pPixmap);
> + ret = TRUE;
> + }
> + }
> +
> + if (xoff || yoff)
> + REGION_TRANSLATE(pScreen, pRegion, -xoff, -yoff);
> +
> }
>
> out:
> - REGION_TRANSLATE(pScreen, pRegion, -xoff, -yoff);
>
> return ret;
> }
> --
> 1.8.1.2
>
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