1 /*
2 * Copyright © 2001 Keith Packard
3 * Copyright 2011 VMWare, Inc. All Rights Reserved.
4 * May partly be based on code that is Copyright © The XFree86 Project Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * Author: Eric Anholt <eric@anholt.net>
27 * Author: Michel Dänzer <michel@tungstengraphics.com>
28 * Author: Thomas Hellstrom <thellstrom@vmware.com>
29 */
30
31 #include "saa.h"
32 #include "saa_priv.h"
33 #include <mi.h>
34
35 Bool
saa_hw_copy_nton(DrawablePtr pSrcDrawable,DrawablePtr pDstDrawable,GCPtr pGC,BoxPtr pbox,int nbox,int dx,int dy,Bool reverse,Bool upsidedown)36 saa_hw_copy_nton(DrawablePtr pSrcDrawable,
37 DrawablePtr pDstDrawable,
38 GCPtr pGC,
39 BoxPtr pbox,
40 int nbox, int dx, int dy, Bool reverse, Bool upsidedown)
41 {
42 ScreenPtr pScreen = pDstDrawable->pScreen;
43 struct saa_screen_priv *sscreen = saa_screen(pDstDrawable->pScreen);
44 struct saa_driver *driver = sscreen->driver;
45 PixmapPtr pSrcPixmap, pDstPixmap;
46 struct saa_pixmap *src_spix, *dst_spix;
47 int src_off_x, src_off_y;
48 int dst_off_x, dst_off_y;
49 RegionRec dst_reg, *src_reg;
50 int ordering;
51 Bool ret = TRUE;
52
53 (void)pScreen;
54
55 /* avoid doing copy operations if no boxes */
56 if (nbox == 0)
57 return TRUE;
58
59 pSrcPixmap = saa_get_pixmap(pSrcDrawable, &src_off_x, &src_off_y);
60 pDstPixmap = saa_get_pixmap(pDstDrawable, &dst_off_x, &dst_off_y);
61 src_spix = saa_pixmap(pSrcPixmap);
62 dst_spix = saa_pixmap(pDstPixmap);
63
64 if (src_spix->auth_loc != saa_loc_driver ||
65 dst_spix->auth_loc != saa_loc_driver)
66 return FALSE;
67
68
69 ordering = (nbox == 1 || (dx > 0 && dy > 0) ||
70 (pDstDrawable != pSrcDrawable &&
71 (pDstDrawable->type != DRAWABLE_WINDOW ||
72 pSrcDrawable->type != DRAWABLE_WINDOW))) ?
73 CT_YXBANDED : CT_UNSORTED;
74
75 src_reg = saa_boxes_to_region(pScreen, nbox, pbox, ordering);
76 if (!src_reg)
77 return FALSE;
78
79 REGION_NULL(pScreen, &dst_reg);
80 REGION_COPY(pScreen, &dst_reg, src_reg);
81 REGION_TRANSLATE(pScreen, src_reg, dx + src_off_x, dy + src_off_y);
82 REGION_TRANSLATE(pScreen, &dst_reg, dst_off_x, dst_off_y);
83
84 if (!(driver->copy_prepare) (driver, pSrcPixmap, pDstPixmap,
85 reverse ? -1 : 1,
86 upsidedown ? -1 : 1,
87 pGC ? pGC->alu : GXcopy,
88 src_reg, pGC ? pGC->planemask : FB_ALLONES)) {
89 goto fallback;
90 }
91
92 while (nbox--) {
93 (driver->copy) (driver,
94 pbox->x1 + dx + src_off_x,
95 pbox->y1 + dy + src_off_y,
96 pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
97 pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
98 pbox++;
99 }
100
101 (driver->copy_done) (driver);
102 saa_pixmap_dirty(pDstPixmap, TRUE, &dst_reg);
103 goto out;
104
105 fallback:
106 ret = FALSE;
107
108 out:
109 REGION_UNINIT(pScreen, &dst_reg);
110 REGION_DESTROY(pScreen, src_reg);
111
112 return ret;
113 }
114
115 static void
saa_copy_nton(DrawablePtr pSrcDrawable,DrawablePtr pDstDrawable,GCPtr pGC,BoxPtr pbox,int nbox,int dx,int dy,Bool reverse,Bool upsidedown,Pixel bitplane,void * closure)116 saa_copy_nton(DrawablePtr pSrcDrawable,
117 DrawablePtr pDstDrawable,
118 GCPtr pGC,
119 BoxPtr pbox,
120 int nbox,
121 int dx,
122 int dy,
123 Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
124 {
125 if (saa_hw_copy_nton(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy,
126 reverse, upsidedown))
127 return;
128
129 saa_check_copy_nton(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy,
130 reverse, upsidedown, bitplane, closure);
131 }
132
133 RegionPtr
saa_copy_area(DrawablePtr pSrcDrawable,DrawablePtr pDstDrawable,GCPtr pGC,int srcx,int srcy,int width,int height,int dstx,int dsty)134 saa_copy_area(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
135 int srcx, int srcy, int width, int height, int dstx, int dsty)
136 {
137 struct saa_screen_priv *sscreen = saa_screen(pDstDrawable->pScreen);
138
139 if (sscreen->fallback_count) {
140 return saa_check_copy_area(pSrcDrawable, pDstDrawable, pGC,
141 srcx, srcy, width, height, dstx, dsty);
142 }
143
144 #if (GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 6)
145 return miDoCopy(pSrcDrawable, pDstDrawable, pGC,
146 srcx, srcy, width, height,
147 dstx, dsty, saa_copy_nton, 0, NULL);
148 #else
149 return fbDoCopy(pSrcDrawable, pDstDrawable, pGC,
150 srcx, srcy, width, height,
151 dstx, dsty, saa_copy_nton, 0, NULL);
152 #endif
153 }
154