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a09e091a JB |
1 | /* |
2 | * Copyright © 1998 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 <string.h> | |
28 | ||
29 | #include "fb.h" | |
30 | ||
31 | void | |
32 | fbPutImage(DrawablePtr pDrawable, | |
33 | GCPtr pGC, | |
34 | int depth, | |
35 | int x, int y, int w, int h, int leftPad, int format, char *pImage) | |
36 | { | |
37 | FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); | |
38 | unsigned long i; | |
39 | FbStride srcStride; | |
40 | FbStip *src = (FbStip *) pImage; | |
41 | ||
42 | x += pDrawable->x; | |
43 | y += pDrawable->y; | |
44 | ||
45 | switch (format) { | |
46 | case XYBitmap: | |
47 | srcStride = BitmapBytePad(w + leftPad) / sizeof(FbStip); | |
48 | fbPutXYImage(pDrawable, | |
49 | fbGetCompositeClip(pGC), | |
50 | pPriv->fg, | |
51 | pPriv->bg, | |
52 | pPriv->pm, | |
53 | pGC->alu, TRUE, x, y, w, h, src, srcStride, leftPad); | |
54 | break; | |
55 | case XYPixmap: | |
56 | srcStride = BitmapBytePad(w + leftPad) / sizeof(FbStip); | |
57 | for (i = (unsigned long) 1 << (pDrawable->depth - 1); i; i >>= 1) { | |
58 | if (i & pGC->planemask) { | |
59 | fbPutXYImage(pDrawable, | |
60 | fbGetCompositeClip(pGC), | |
61 | FB_ALLONES, | |
62 | 0, | |
63 | fbReplicatePixel(i, pDrawable->bitsPerPixel), | |
64 | pGC->alu, | |
65 | TRUE, x, y, w, h, src, srcStride, leftPad); | |
66 | src += srcStride * h; | |
67 | } | |
68 | } | |
69 | break; | |
70 | case ZPixmap: | |
71 | if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) { | |
72 | srcStride = PixmapBytePad(w, pDrawable->depth); | |
73 | fb24_32PutZImage(pDrawable, | |
74 | fbGetCompositeClip(pGC), | |
75 | pGC->alu, | |
76 | (FbBits) pGC->planemask, | |
77 | x, y, w, h, (CARD8 *) pImage, srcStride); | |
78 | } | |
79 | else { | |
80 | srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof(FbStip); | |
81 | fbPutZImage(pDrawable, | |
82 | fbGetCompositeClip(pGC), | |
83 | pGC->alu, pPriv->pm, x, y, w, h, src, srcStride); | |
84 | } | |
85 | } | |
86 | } | |
87 | ||
88 | void | |
89 | fbPutZImage(DrawablePtr pDrawable, | |
90 | RegionPtr pClip, | |
91 | int alu, | |
92 | FbBits pm, | |
93 | int x, | |
94 | int y, int width, int height, FbStip * src, FbStride srcStride) | |
95 | { | |
96 | FbStip *dst; | |
97 | FbStride dstStride; | |
98 | int dstBpp; | |
99 | int dstXoff, dstYoff; | |
100 | int nbox; | |
101 | BoxPtr pbox; | |
102 | int x1, y1, x2, y2; | |
103 | ||
104 | fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); | |
105 | ||
106 | for (nbox = RegionNumRects(pClip), | |
107 | pbox = RegionRects(pClip); nbox--; pbox++) { | |
108 | x1 = x; | |
109 | y1 = y; | |
110 | x2 = x + width; | |
111 | y2 = y + height; | |
112 | if (x1 < pbox->x1) | |
113 | x1 = pbox->x1; | |
114 | if (y1 < pbox->y1) | |
115 | y1 = pbox->y1; | |
116 | if (x2 > pbox->x2) | |
117 | x2 = pbox->x2; | |
118 | if (y2 > pbox->y2) | |
119 | y2 = pbox->y2; | |
120 | if (x1 >= x2 || y1 >= y2) | |
121 | continue; | |
122 | fbBltStip(src + (y1 - y) * srcStride, | |
123 | srcStride, | |
124 | (x1 - x) * dstBpp, | |
125 | dst + (y1 + dstYoff) * dstStride, | |
126 | dstStride, | |
127 | (x1 + dstXoff) * dstBpp, | |
128 | (x2 - x1) * dstBpp, (y2 - y1), alu, pm, dstBpp); | |
129 | } | |
130 | ||
131 | fbFinishAccess(pDrawable); | |
132 | } | |
133 | ||
134 | void | |
135 | fbPutXYImage(DrawablePtr pDrawable, | |
136 | RegionPtr pClip, | |
137 | FbBits fg, | |
138 | FbBits bg, | |
139 | FbBits pm, | |
140 | int alu, | |
141 | Bool opaque, | |
142 | int x, | |
143 | int y, | |
144 | int width, int height, FbStip * src, FbStride srcStride, int srcX) | |
145 | { | |
146 | FbBits *dst; | |
147 | FbStride dstStride; | |
148 | int dstBpp; | |
149 | int dstXoff, dstYoff; | |
150 | int nbox; | |
151 | BoxPtr pbox; | |
152 | int x1, y1, x2, y2; | |
153 | FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0; | |
154 | ||
155 | fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); | |
156 | ||
157 | if (dstBpp == 1) { | |
158 | if (opaque) | |
159 | alu = FbOpaqueStipple1Rop(alu, fg, bg); | |
160 | else | |
161 | alu = FbStipple1Rop(alu, fg); | |
162 | } | |
163 | else { | |
164 | fgand = fbAnd(alu, fg, pm); | |
165 | fgxor = fbXor(alu, fg, pm); | |
166 | if (opaque) { | |
167 | bgand = fbAnd(alu, bg, pm); | |
168 | bgxor = fbXor(alu, bg, pm); | |
169 | } | |
170 | else { | |
171 | bgand = fbAnd(GXnoop, (FbBits) 0, FB_ALLONES); | |
172 | bgxor = fbXor(GXnoop, (FbBits) 0, FB_ALLONES); | |
173 | } | |
174 | } | |
175 | ||
176 | for (nbox = RegionNumRects(pClip), | |
177 | pbox = RegionRects(pClip); nbox--; pbox++) { | |
178 | x1 = x; | |
179 | y1 = y; | |
180 | x2 = x + width; | |
181 | y2 = y + height; | |
182 | if (x1 < pbox->x1) | |
183 | x1 = pbox->x1; | |
184 | if (y1 < pbox->y1) | |
185 | y1 = pbox->y1; | |
186 | if (x2 > pbox->x2) | |
187 | x2 = pbox->x2; | |
188 | if (y2 > pbox->y2) | |
189 | y2 = pbox->y2; | |
190 | if (x1 >= x2 || y1 >= y2) | |
191 | continue; | |
192 | if (dstBpp == 1) { | |
193 | fbBltStip(src + (y1 - y) * srcStride, | |
194 | srcStride, | |
195 | (x1 - x) + srcX, | |
196 | (FbStip *) (dst + (y1 + dstYoff) * dstStride), | |
197 | FbBitsStrideToStipStride(dstStride), | |
198 | (x1 + dstXoff) * dstBpp, | |
199 | (x2 - x1) * dstBpp, (y2 - y1), alu, pm, dstBpp); | |
200 | } | |
201 | else { | |
202 | fbBltOne(src + (y1 - y) * srcStride, | |
203 | srcStride, | |
204 | (x1 - x) + srcX, | |
205 | dst + (y1 + dstYoff) * dstStride, | |
206 | dstStride, | |
207 | (x1 + dstXoff) * dstBpp, | |
208 | dstBpp, | |
209 | (x2 - x1) * dstBpp, (y2 - y1), fgand, fgxor, bgand, bgxor); | |
210 | } | |
211 | } | |
212 | ||
213 | fbFinishAccess(pDrawable); | |
214 | } | |
215 | ||
216 | void | |
217 | fbGetImage(DrawablePtr pDrawable, | |
218 | int x, | |
219 | int y, | |
220 | int w, int h, unsigned int format, unsigned long planeMask, char *d) | |
221 | { | |
222 | FbBits *src; | |
223 | FbStride srcStride; | |
224 | int srcBpp; | |
225 | int srcXoff, srcYoff; | |
226 | FbStip *dst; | |
227 | FbStride dstStride; | |
228 | ||
229 | /* | |
230 | * XFree86 DDX empties the root borderClip when the VT is | |
231 | * switched away; this checks for that case | |
232 | */ | |
233 | if (!fbDrawableEnabled(pDrawable)) | |
234 | return; | |
235 | ||
236 | if (format == ZPixmap && | |
237 | pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) { | |
238 | fb24_32GetImage(pDrawable, x, y, w, h, format, planeMask, d); | |
239 | return; | |
240 | } | |
241 | ||
242 | fbGetDrawable(pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); | |
243 | ||
244 | x += pDrawable->x; | |
245 | y += pDrawable->y; | |
246 | ||
247 | dst = (FbStip *) d; | |
248 | if (format == ZPixmap || srcBpp == 1) { | |
249 | FbBits pm; | |
250 | ||
251 | pm = fbReplicatePixel(planeMask, srcBpp); | |
252 | dstStride = PixmapBytePad(w, pDrawable->depth); | |
253 | if (pm != FB_ALLONES) | |
254 | memset(d, 0, dstStride * h); | |
255 | dstStride /= sizeof(FbStip); | |
256 | fbBltStip((FbStip *) (src + (y + srcYoff) * srcStride), | |
257 | FbBitsStrideToStipStride(srcStride), | |
258 | (x + srcXoff) * srcBpp, | |
259 | dst, dstStride, 0, w * srcBpp, h, GXcopy, pm, srcBpp); | |
260 | } | |
261 | else { | |
262 | dstStride = BitmapBytePad(w) / sizeof(FbStip); | |
263 | fbBltPlane(src + (y + srcYoff) * srcStride, | |
264 | srcStride, | |
265 | (x + srcXoff) * srcBpp, | |
266 | srcBpp, | |
267 | dst, | |
268 | dstStride, | |
269 | 0, | |
270 | w * srcBpp, h, | |
271 | fbAndStip(GXcopy, FB_STIP_ALLONES, FB_STIP_ALLONES), | |
272 | fbXorStip(GXcopy, FB_STIP_ALLONES, FB_STIP_ALLONES), | |
273 | fbAndStip(GXcopy, 0, FB_STIP_ALLONES), | |
274 | fbXorStip(GXcopy, 0, FB_STIP_ALLONES), planeMask); | |
275 | } | |
276 | ||
277 | fbFinishAccess(pDrawable); | |
278 | } |