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a09e091a JB |
1 | /* |
2 | * Copyright © 2004 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 | |
7 | * copyright notice and this permission notice appear in supporting | |
8 | * documentation, and that the name of Keith Packard not be used in | |
9 | * advertising or publicity pertaining to distribution of the software without | |
10 | * specific, written prior permission. Keith Packard makes no | |
11 | * representations about the suitability of this software for any purpose. It | |
12 | * is provided "as is" without express or implied warranty. | |
13 | * | |
14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
16 | * EVENT SHALL KEITH PACKARD 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 | |
20 | * PERFORMANCE OF THIS SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifdef HAVE_DIX_CONFIG_H | |
24 | #include <dix-config.h> | |
25 | #endif | |
26 | ||
27 | #include "fb.h" | |
28 | ||
29 | #include "picturestr.h" | |
30 | #include "mipict.h" | |
31 | #include "fbpict.h" | |
32 | #include "damage.h" | |
33 | ||
34 | void | |
35 | fbAddTraps(PicturePtr pPicture, | |
36 | INT16 x_off, INT16 y_off, int ntrap, xTrap * traps) | |
37 | { | |
38 | pixman_image_t *image; | |
39 | int dst_xoff, dst_yoff; | |
40 | ||
41 | if (!(image = image_from_pict(pPicture, FALSE, &dst_xoff, &dst_yoff))) | |
42 | return; | |
43 | ||
44 | pixman_add_traps(image, x_off + dst_xoff, y_off + dst_yoff, | |
45 | ntrap, (pixman_trap_t *) traps); | |
46 | ||
47 | free_pixman_pict(pPicture, image); | |
48 | } | |
49 | ||
50 | void | |
51 | fbRasterizeTrapezoid(PicturePtr pPicture, | |
52 | xTrapezoid * trap, int x_off, int y_off) | |
53 | { | |
54 | pixman_image_t *image; | |
55 | int dst_xoff, dst_yoff; | |
56 | ||
57 | if (!(image = image_from_pict(pPicture, FALSE, &dst_xoff, &dst_yoff))) | |
58 | return; | |
59 | ||
60 | pixman_rasterize_trapezoid(image, (pixman_trapezoid_t *) trap, | |
61 | x_off + dst_xoff, y_off + dst_yoff); | |
62 | ||
63 | free_pixman_pict(pPicture, image); | |
64 | } | |
65 | ||
66 | void | |
67 | fbAddTriangles(PicturePtr pPicture, | |
68 | INT16 x_off, INT16 y_off, int ntri, xTriangle * tris) | |
69 | { | |
70 | pixman_image_t *image; | |
71 | int dst_xoff, dst_yoff; | |
72 | ||
73 | if (!(image = image_from_pict(pPicture, FALSE, &dst_xoff, &dst_yoff))) | |
74 | return; | |
75 | ||
76 | pixman_add_triangles(image, | |
77 | dst_xoff + x_off, dst_yoff + y_off, | |
78 | ntri, (pixman_triangle_t *) tris); | |
79 | ||
80 | free_pixman_pict(pPicture, image); | |
81 | } | |
82 | ||
83 | typedef void (*CompositeShapesFunc) (pixman_op_t op, | |
84 | pixman_image_t * src, | |
85 | pixman_image_t * dst, | |
86 | pixman_format_code_t mask_format, | |
87 | int x_src, int y_src, | |
88 | int x_dst, int y_dst, | |
89 | int n_shapes, const uint8_t * shapes); | |
90 | ||
91 | static void | |
92 | fbShapes(CompositeShapesFunc composite, | |
93 | pixman_op_t op, | |
94 | PicturePtr pSrc, | |
95 | PicturePtr pDst, | |
96 | PictFormatPtr maskFormat, | |
97 | int16_t xSrc, | |
98 | int16_t ySrc, int nshapes, int shape_size, const uint8_t * shapes) | |
99 | { | |
100 | pixman_image_t *src, *dst; | |
101 | int src_xoff, src_yoff; | |
102 | int dst_xoff, dst_yoff; | |
103 | ||
104 | miCompositeSourceValidate(pSrc); | |
105 | ||
106 | src = image_from_pict(pSrc, FALSE, &src_xoff, &src_yoff); | |
107 | dst = image_from_pict(pDst, TRUE, &dst_xoff, &dst_yoff); | |
108 | ||
109 | if (src && dst) { | |
110 | pixman_format_code_t format; | |
111 | ||
112 | DamageRegionAppend(pDst->pDrawable, pDst->pCompositeClip); | |
113 | ||
114 | if (!maskFormat) { | |
115 | int i; | |
116 | ||
117 | if (pDst->polyEdge == PolyEdgeSharp) | |
118 | format = PIXMAN_a1; | |
119 | else | |
120 | format = PIXMAN_a8; | |
121 | ||
122 | for (i = 0; i < nshapes; ++i) { | |
123 | composite(op, src, dst, format, | |
124 | xSrc + src_xoff, | |
125 | ySrc + src_yoff, | |
126 | dst_xoff, dst_yoff, 1, shapes + i * shape_size); | |
127 | } | |
128 | } | |
129 | else { | |
130 | switch (PICT_FORMAT_A(maskFormat->format)) { | |
131 | case 1: | |
132 | format = PIXMAN_a1; | |
133 | break; | |
134 | ||
135 | case 4: | |
136 | format = PIXMAN_a4; | |
137 | break; | |
138 | ||
139 | default: | |
140 | case 8: | |
141 | format = PIXMAN_a8; | |
142 | break; | |
143 | } | |
144 | ||
145 | composite(op, src, dst, format, | |
146 | xSrc + src_xoff, | |
147 | ySrc + src_yoff, dst_xoff, dst_yoff, nshapes, shapes); | |
148 | } | |
149 | ||
150 | DamageRegionProcessPending(pDst->pDrawable); | |
151 | } | |
152 | ||
153 | free_pixman_pict(pSrc, src); | |
154 | free_pixman_pict(pDst, dst); | |
155 | } | |
156 | ||
157 | void | |
158 | fbTrapezoids(CARD8 op, | |
159 | PicturePtr pSrc, | |
160 | PicturePtr pDst, | |
161 | PictFormatPtr maskFormat, | |
162 | INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid * traps) | |
163 | { | |
164 | xSrc -= (traps[0].left.p1.x >> 16); | |
165 | ySrc -= (traps[0].left.p1.y >> 16); | |
166 | ||
167 | fbShapes((CompositeShapesFunc) pixman_composite_trapezoids, | |
168 | op, pSrc, pDst, maskFormat, | |
169 | xSrc, ySrc, ntrap, sizeof(xTrapezoid), (const uint8_t *) traps); | |
170 | } | |
171 | ||
172 | void | |
173 | fbTriangles(CARD8 op, | |
174 | PicturePtr pSrc, | |
175 | PicturePtr pDst, | |
176 | PictFormatPtr maskFormat, | |
177 | INT16 xSrc, INT16 ySrc, int ntris, xTriangle * tris) | |
178 | { | |
179 | xSrc -= (tris[0].p1.x >> 16); | |
180 | ySrc -= (tris[0].p1.y >> 16); | |
181 | ||
182 | fbShapes((CompositeShapesFunc) pixman_composite_triangles, | |
183 | op, pSrc, pDst, maskFormat, | |
184 | xSrc, ySrc, ntris, sizeof(xTriangle), (const uint8_t *) tris); | |
185 | } |