| 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 | } |