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path: root/xorg-server/glamor/glamor_transfer.c
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Diffstat (limited to 'xorg-server/glamor/glamor_transfer.c')
-rw-r--r--xorg-server/glamor/glamor_transfer.c48
1 files changed, 10 insertions, 38 deletions
diff --git a/xorg-server/glamor/glamor_transfer.c b/xorg-server/glamor/glamor_transfer.c
index ad875c962..891415565 100644
--- a/xorg-server/glamor/glamor_transfer.c
+++ b/xorg-server/glamor/glamor_transfer.c
@@ -72,9 +72,6 @@ glamor_upload_boxes(PixmapPtr pixmap, BoxPtr in_boxes, int in_nbox,
glamor_make_current(glamor_priv);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glPixelStorei(GL_UNPACK_ROW_LENGTH, byte_stride / bytes_per_pixel);
@@ -90,27 +87,14 @@ glamor_upload_boxes(PixmapPtr pixmap, BoxPtr in_boxes, int in_nbox,
while (nbox--) {
/* compute drawable coordinates */
- int x1 = boxes->x1 + dx_dst;
- int x2 = boxes->x2 + dx_dst;
- int y1 = boxes->y1 + dy_dst;
- int y2 = boxes->y2 + dy_dst;
+ int x1 = MAX(boxes->x1 + dx_dst, box->x1);
+ int x2 = MIN(boxes->x2 + dx_dst, box->x2);
+ int y1 = MAX(boxes->y1 + dy_dst, box->y1);
+ int y2 = MIN(boxes->y2 + dy_dst, box->y2);
boxes++;
- if (x1 < box->x1)
- x1 = box->x1;
- if (box->x2 < x2)
- x2 = box->x2;
-
- if (x2 <= x1)
- continue;
-
- if (y1 < box->y1)
- y1 = box->y1;
- if (box->y2 < y2)
- y2 = box->y2;
-
- if (y2 <= y1)
+ if (x2 <= x1 || y2 <= y1)
continue;
glPixelStorei(GL_UNPACK_SKIP_ROWS, y1 - dy_dst + dy_src);
@@ -195,26 +179,14 @@ glamor_download_boxes(PixmapPtr pixmap, BoxPtr in_boxes, int in_nbox,
while (nbox--) {
/* compute drawable coordinates */
- int x1 = boxes->x1 + dx_src;
- int x2 = boxes->x2 + dx_src;
- int y1 = boxes->y1 + dy_src;
- int y2 = boxes->y2 + dy_src;
+ int x1 = MAX(boxes->x1 + dx_src, box->x1);
+ int x2 = MIN(boxes->x2 + dx_src, box->x2);
+ int y1 = MAX(boxes->y1 + dy_src, box->y1);
+ int y2 = MIN(boxes->y2 + dy_src, box->y2);
boxes++;
- if (x1 < box->x1)
- x1 = box->x1;
- if (box->x2 < x2)
- x2 = box->x2;
-
- if (y1 < box->y1)
- y1 = box->y1;
- if (box->y2 < y2)
- y2 = box->y2;
-
- if (x2 <= x1)
- continue;
- if (y2 <= y1)
+ if (x2 <= x1 || y2 <= y1)
continue;
glPixelStorei(GL_PACK_SKIP_PIXELS, x1 - dx_src + dx_dst);