1 /*
2 * Copyright © 2014 Keith Packard
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission. The copyright holders make no representations
11 * about the suitability of this software for any purpose. It is provided "as
12 * is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20 * OF THIS SOFTWARE.
21 */
22
23 #include "glamor_priv.h"
24 #include "glamor_transfer.h"
25 #include "glamor_transform.h"
26
27 /*
28 * PutImage. Only does ZPixmap right now as other formats are quite a bit harder
29 */
30
31 static Bool
glamor_put_image_gl(DrawablePtr drawable,GCPtr gc,int depth,int x,int y,int w,int h,int leftPad,int format,char * bits)32 glamor_put_image_gl(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
33 int w, int h, int leftPad, int format, char *bits)
34 {
35 ScreenPtr screen = drawable->pScreen;
36 glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
37 PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
38 glamor_pixmap_private *pixmap_priv;
39 uint32_t byte_stride = PixmapBytePad(w, drawable->depth);
40 RegionRec region;
41 BoxRec box;
42 int off_x, off_y;
43
44 pixmap_priv = glamor_get_pixmap_private(pixmap);
45
46 if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
47 return FALSE;
48
49 if (gc->alu != GXcopy)
50 goto bail;
51
52 if (!glamor_pm_is_solid(gc->depth, gc->planemask))
53 goto bail;
54
55 if (format == XYPixmap && drawable->depth == 1 && leftPad == 0)
56 format = ZPixmap;
57
58 if (format != ZPixmap)
59 goto bail;
60
61 x += drawable->x;
62 y += drawable->y;
63 box.x1 = x;
64 box.y1 = y;
65 box.x2 = box.x1 + w;
66 box.y2 = box.y1 + h;
67 RegionInit(®ion, &box, 1);
68 RegionIntersect(®ion, ®ion, gc->pCompositeClip);
69
70 glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
71 if (off_x || off_y) {
72 x += off_x;
73 y += off_y;
74 RegionTranslate(®ion, off_x, off_y);
75 }
76
77 glamor_make_current(glamor_priv);
78
79 glamor_upload_region(pixmap, ®ion, x, y, (uint8_t *) bits, byte_stride);
80
81 RegionUninit(®ion);
82 return TRUE;
83 bail:
84 return FALSE;
85 }
86
87 static void
glamor_put_image_bail(DrawablePtr drawable,GCPtr gc,int depth,int x,int y,int w,int h,int leftPad,int format,char * bits)88 glamor_put_image_bail(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
89 int w, int h, int leftPad, int format, char *bits)
90 {
91 if (glamor_prepare_access_box(drawable, GLAMOR_ACCESS_RW, x, y, w, h))
92 fbPutImage(drawable, gc, depth, x, y, w, h, leftPad, format, bits);
93 glamor_finish_access(drawable);
94 }
95
96 void
glamor_put_image(DrawablePtr drawable,GCPtr gc,int depth,int x,int y,int w,int h,int leftPad,int format,char * bits)97 glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
98 int w, int h, int leftPad, int format, char *bits)
99 {
100 if (glamor_put_image_gl(drawable, gc, depth, x, y, w, h, leftPad, format, bits))
101 return;
102 glamor_put_image_bail(drawable, gc, depth, x, y, w, h, leftPad, format, bits);
103 }
104
105 static Bool
glamor_get_image_gl(DrawablePtr drawable,int x,int y,int w,int h,unsigned int format,unsigned long plane_mask,char * d)106 glamor_get_image_gl(DrawablePtr drawable, int x, int y, int w, int h,
107 unsigned int format, unsigned long plane_mask, char *d)
108 {
109 PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
110 glamor_pixmap_private *pixmap_priv;
111 uint32_t byte_stride = PixmapBytePad(w, drawable->depth);
112 BoxRec box;
113 int off_x, off_y;
114
115 pixmap_priv = glamor_get_pixmap_private(pixmap);
116 if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
117 goto bail;
118
119 if (format != ZPixmap)
120 goto bail;
121
122 glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
123 box.x1 = x;
124 box.x2 = x + w;
125 box.y1 = y;
126 box.y2 = y + h;
127 glamor_download_boxes(pixmap, &box, 1,
128 drawable->x + off_x, drawable->y + off_y,
129 -x, -y,
130 (uint8_t *) d, byte_stride);
131
132 if (!glamor_pm_is_solid(drawable->depth, plane_mask)) {
133 FbStip pm = fbReplicatePixel(plane_mask, drawable->bitsPerPixel);
134 FbStip *dst = (void *)d;
135 uint32_t dstStride = byte_stride / sizeof(FbStip);
136
137 for (int i = 0; i < dstStride * h; i++)
138 dst[i] &= pm;
139 }
140
141 return TRUE;
142 bail:
143 return FALSE;
144 }
145
146 static void
glamor_get_image_bail(DrawablePtr drawable,int x,int y,int w,int h,unsigned int format,unsigned long plane_mask,char * d)147 glamor_get_image_bail(DrawablePtr drawable, int x, int y, int w, int h,
148 unsigned int format, unsigned long plane_mask, char *d)
149 {
150 if (glamor_prepare_access_box(drawable, GLAMOR_ACCESS_RO, x, y, w, h))
151 fbGetImage(drawable, x, y, w, h, format, plane_mask, d);
152 glamor_finish_access(drawable);
153 }
154
155 void
glamor_get_image(DrawablePtr drawable,int x,int y,int w,int h,unsigned int format,unsigned long plane_mask,char * d)156 glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
157 unsigned int format, unsigned long plane_mask, char *d)
158 {
159 if (glamor_get_image_gl(drawable, x, y, w, h, format, plane_mask, d))
160 return;
161 glamor_get_image_bail(drawable, x, y, w, h, format, plane_mask, d);
162 }
163