aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/exa/exa_migration_mixed.c
blob: d1ee9871ba9841ff1fce5cddaa8a55520b2a47ef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/*
 * Copyright © 2009 Maarten Maathuis
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <string.h>

#include "exa_priv.h"
#include "exa.h"

static void
exaUploadFallback(PixmapPtr pPixmap, CARD8 *src, int src_pitch)
{
    ExaPixmapPriv(pPixmap);
    RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
    GCPtr pGC = GetScratchGC (pPixmap->drawable.depth,
		pPixmap->drawable.pScreen);
    int nbox, cpp = pPixmap->drawable.bitsPerPixel / 8;
    DamagePtr backup = pExaPixmap->pDamage;
    BoxPtr pbox;
    CARD8 *src2;

    /* We don't want damage optimisations. */
    pExaPixmap->pDamage = NULL;
    ValidateGC (&pPixmap->drawable, pGC);

    pbox = REGION_RECTS(damage);
    nbox = REGION_NUM_RECTS(damage);

    while (nbox--) {
	src2 = src + pbox->y1 * src_pitch + pbox->x1 * cpp;

	ExaCheckPutImage(&pPixmap->drawable, pGC,
	    pPixmap->drawable.depth, pbox->x1, pbox->y1,
	    pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, 0,
	    ZPixmap, (char*) src2);

	pbox++;
    }

    FreeScratchGC (pGC);
    pExaPixmap->pDamage = backup;
}

void
exaCreateDriverPixmap_mixed(PixmapPtr pPixmap)
{
    ScreenPtr pScreen = pPixmap->drawable.pScreen;
    ExaScreenPriv(pScreen);
    ExaPixmapPriv(pPixmap);
    RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
    void *sys_buffer = pExaPixmap->sys_ptr;
    int w = pPixmap->drawable.width, h = pPixmap->drawable.height;
    int depth = pPixmap->drawable.depth, bpp = pPixmap->drawable.bitsPerPixel;
    int usage_hint = pPixmap->usage_hint;
    int sys_pitch = pExaPixmap->sys_pitch;
    int paddedWidth = sys_pitch;
    int nbox;
    BoxPtr pbox;

    /* Already done. */
    if (pExaPixmap->driverPriv)
	return;

    if (exaPixmapIsPinned(pPixmap))
	return;

    /* Can't accel 1/4 bpp. */
    if (pExaPixmap->accel_blocked || bpp < 8)
	return;

    if (pExaScr->info->CreatePixmap2) {
	int new_pitch = 0;
        pExaPixmap->driverPriv = pExaScr->info->CreatePixmap2(pScreen, w, h, depth, usage_hint, bpp, &new_pitch);
	paddedWidth = pExaPixmap->fb_pitch = new_pitch;
    } else {
	if (paddedWidth < pExaPixmap->fb_pitch)
	    paddedWidth = pExaPixmap->fb_pitch;
	pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, paddedWidth*h, 0);
    }

    if (!pExaPixmap->driverPriv)
	return;

    pExaPixmap->offscreen = TRUE;
    pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr = NULL;
    pExaPixmap->sys_pitch = pPixmap->devKind = 0;

    pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
    (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
				paddedWidth, NULL);

    /* scratch pixmaps */
    if (!w || !h)
	goto finish;

    /* we do not malloc memory by default. */
    if (!sys_buffer)
	goto finish;

    if (!pExaScr->info->UploadToScreen)
	goto fallback;

    pbox = REGION_RECTS(damage);
    nbox = REGION_NUM_RECTS(damage);

    while (nbox--) {
	if (!pExaScr->info->UploadToScreen(pPixmap, pbox->x1, pbox->y1, pbox->x2 - pbox->x1,
		pbox->y2 - pbox->y1, (char *) (sys_buffer) + pbox->y1 * sys_pitch + pbox->x1 * (bpp / 8), sys_pitch))
	    goto fallback;

	pbox++;
    }

    goto finish;

fallback:
    exaUploadFallback(pPixmap, sys_buffer, sys_pitch);

finish:
    free(sys_buffer);

    /* We no longer need this. */
    if (pExaPixmap->pDamage) {
	DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
	DamageDestroy(pExaPixmap->pDamage);
	pExaPixmap->pDamage = NULL;
    }
}

void
exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
{
    int i;

    /* If anything is pinned in system memory, we won't be able to
     * accelerate.
     */
    for (i = 0; i < npixmaps; i++) {
	if (exaPixmapIsPinned (pixmaps[i].pPix) &&
	    !exaPixmapIsOffscreen (pixmaps[i].pPix))
	{
	    can_accel = FALSE;
	    break;
	}
    }

    /* We can do nothing. */
    if (!can_accel)
	return;

    for (i = 0; i < npixmaps; i++) {
	PixmapPtr pPixmap = pixmaps[i].pPix;
	ExaPixmapPriv(pPixmap);
	if (!pExaPixmap->driverPriv)
	    exaCreateDriverPixmap_mixed(pPixmap);
    }
}

void
exaMoveInPixmap_mixed(PixmapPtr pPixmap)
{
    ExaMigrationRec pixmaps[1];

    pixmaps[0].as_dst = FALSE;
    pixmaps[0].as_src = TRUE;
    pixmaps[0].pPix = pPixmap;
    pixmaps[0].pReg = NULL;

    exaDoMigration(pixmaps, 1, TRUE);
}