| 1 | /* |
| 2 | * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. |
| 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 | #ifdef HAVE_XORG_CONFIG_H |
| 24 | #include <xorg-config.h> |
| 25 | #else |
| 26 | #ifdef HAVE_CONFIG_H |
| 27 | #include <config.h> |
| 28 | #endif |
| 29 | #endif |
| 30 | |
| 31 | #include "xf86.h" |
| 32 | #include "os.h" |
| 33 | #include "globals.h" |
| 34 | #include "xf86Modes.h" |
| 35 | #include "xf86Priv.h" |
| 36 | #include "xf86DDC.h" |
| 37 | #include "mipointer.h" |
| 38 | #include "windowstr.h" |
| 39 | #include "inputstr.h" |
| 40 | #include <randrstr.h> |
| 41 | #include <X11/extensions/render.h> |
| 42 | |
| 43 | #include "xf86Crtc.h" |
| 44 | #include "xf86RandR12.h" |
| 45 | |
| 46 | typedef struct _xf86RandR12Info { |
| 47 | int virtualX; |
| 48 | int virtualY; |
| 49 | int mmWidth; |
| 50 | int mmHeight; |
| 51 | int maxX; |
| 52 | int maxY; |
| 53 | int pointerX; |
| 54 | int pointerY; |
| 55 | Rotation rotation; /* current mode */ |
| 56 | Rotation supported_rotations; /* driver supported */ |
| 57 | |
| 58 | /* Used to wrap EnterVT so we can re-probe the outputs when a laptop unsuspends |
| 59 | * (actually, any time that we switch back into our VT). |
| 60 | * |
| 61 | * See https://bugs.freedesktop.org/show_bug.cgi?id=21554 |
| 62 | */ |
| 63 | xf86EnterVTProc *orig_EnterVT; |
| 64 | |
| 65 | Bool panning; |
| 66 | ConstrainCursorHarderProcPtr orig_ConstrainCursorHarder; |
| 67 | } XF86RandRInfoRec, *XF86RandRInfoPtr; |
| 68 | |
| 69 | #ifdef RANDR_12_INTERFACE |
| 70 | static Bool xf86RandR12Init12(ScreenPtr pScreen); |
| 71 | static Bool xf86RandR12CreateScreenResources12(ScreenPtr pScreen); |
| 72 | #endif |
| 73 | |
| 74 | static int xf86RandR12Generation; |
| 75 | |
| 76 | static DevPrivateKeyRec xf86RandR12KeyRec; |
| 77 | static DevPrivateKey xf86RandR12Key; |
| 78 | |
| 79 | #define XF86RANDRINFO(p) ((XF86RandRInfoPtr) \ |
| 80 | dixLookupPrivate(&(p)->devPrivates, xf86RandR12Key)) |
| 81 | |
| 82 | static int |
| 83 | xf86RandR12ModeRefresh(DisplayModePtr mode) |
| 84 | { |
| 85 | if (mode->VRefresh) |
| 86 | return (int) (mode->VRefresh + 0.5); |
| 87 | else |
| 88 | return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5); |
| 89 | } |
| 90 | |
| 91 | /* Adapt panning area; return TRUE if panning area was valid without adaption */ |
| 92 | static int |
| 93 | xf86RandR13VerifyPanningArea(xf86CrtcPtr crtc, int screenWidth, |
| 94 | int screenHeight) |
| 95 | { |
| 96 | int ret = TRUE; |
| 97 | |
| 98 | if (crtc->version < 2) |
| 99 | return FALSE; |
| 100 | |
| 101 | if (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1) { |
| 102 | /* Panning in X is disabled */ |
| 103 | if (crtc->panningTotalArea.x1 || crtc->panningTotalArea.x2) |
| 104 | /* Illegal configuration -> fail/disable */ |
| 105 | ret = FALSE; |
| 106 | crtc->panningTotalArea.x1 = crtc->panningTotalArea.x2 = 0; |
| 107 | crtc->panningTrackingArea.x1 = crtc->panningTrackingArea.x2 = 0; |
| 108 | crtc->panningBorder[0] = crtc->panningBorder[2] = 0; |
| 109 | } |
| 110 | else { |
| 111 | /* Panning in X is enabled */ |
| 112 | if (crtc->panningTotalArea.x1 < 0) { |
| 113 | /* Panning region outside screen -> move inside */ |
| 114 | crtc->panningTotalArea.x2 -= crtc->panningTotalArea.x1; |
| 115 | crtc->panningTotalArea.x1 = 0; |
| 116 | ret = FALSE; |
| 117 | } |
| 118 | if (crtc->panningTotalArea.x2 < |
| 119 | crtc->panningTotalArea.x1 + crtc->mode.HDisplay) { |
| 120 | /* Panning region smaller than displayed area -> crop to displayed area */ |
| 121 | crtc->panningTotalArea.x2 = |
| 122 | crtc->panningTotalArea.x1 + crtc->mode.HDisplay; |
| 123 | ret = FALSE; |
| 124 | } |
| 125 | if (crtc->panningTotalArea.x2 > screenWidth) { |
| 126 | /* Panning region larger than screen -> move inside, then crop to screen */ |
| 127 | crtc->panningTotalArea.x1 -= |
| 128 | crtc->panningTotalArea.x2 - screenWidth; |
| 129 | crtc->panningTotalArea.x2 = screenWidth; |
| 130 | ret = FALSE; |
| 131 | if (crtc->panningTotalArea.x1 < 0) |
| 132 | crtc->panningTotalArea.x1 = 0; |
| 133 | } |
| 134 | if (crtc->panningBorder[0] + crtc->panningBorder[2] > |
| 135 | crtc->mode.HDisplay) { |
| 136 | /* Borders too large -> set to 0 */ |
| 137 | crtc->panningBorder[0] = crtc->panningBorder[2] = 0; |
| 138 | ret = FALSE; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | if (crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1) { |
| 143 | /* Panning in Y is disabled */ |
| 144 | if (crtc->panningTotalArea.y1 || crtc->panningTotalArea.y2) |
| 145 | /* Illegal configuration -> fail/disable */ |
| 146 | ret = FALSE; |
| 147 | crtc->panningTotalArea.y1 = crtc->panningTotalArea.y2 = 0; |
| 148 | crtc->panningTrackingArea.y1 = crtc->panningTrackingArea.y2 = 0; |
| 149 | crtc->panningBorder[1] = crtc->panningBorder[3] = 0; |
| 150 | } |
| 151 | else { |
| 152 | /* Panning in Y is enabled */ |
| 153 | if (crtc->panningTotalArea.y1 < 0) { |
| 154 | /* Panning region outside screen -> move inside */ |
| 155 | crtc->panningTotalArea.y2 -= crtc->panningTotalArea.y1; |
| 156 | crtc->panningTotalArea.y1 = 0; |
| 157 | ret = FALSE; |
| 158 | } |
| 159 | if (crtc->panningTotalArea.y2 < |
| 160 | crtc->panningTotalArea.y1 + crtc->mode.VDisplay) { |
| 161 | /* Panning region smaller than displayed area -> crop to displayed area */ |
| 162 | crtc->panningTotalArea.y2 = |
| 163 | crtc->panningTotalArea.y1 + crtc->mode.VDisplay; |
| 164 | ret = FALSE; |
| 165 | } |
| 166 | if (crtc->panningTotalArea.y2 > screenHeight) { |
| 167 | /* Panning region larger than screen -> move inside, then crop to screen */ |
| 168 | crtc->panningTotalArea.y1 -= |
| 169 | crtc->panningTotalArea.y2 - screenHeight; |
| 170 | crtc->panningTotalArea.y2 = screenHeight; |
| 171 | ret = FALSE; |
| 172 | if (crtc->panningTotalArea.y1 < 0) |
| 173 | crtc->panningTotalArea.y1 = 0; |
| 174 | } |
| 175 | if (crtc->panningBorder[1] + crtc->panningBorder[3] > |
| 176 | crtc->mode.VDisplay) { |
| 177 | /* Borders too large -> set to 0 */ |
| 178 | crtc->panningBorder[1] = crtc->panningBorder[3] = 0; |
| 179 | ret = FALSE; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | return ret; |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | * The heart of the panning operation: |
| 188 | * |
| 189 | * Given a frame buffer position (fb_x, fb_y), |
| 190 | * and a crtc position (crtc_x, crtc_y), |
| 191 | * and a transform matrix which maps frame buffer to crtc, |
| 192 | * compute a panning position (pan_x, pan_y) that |
| 193 | * makes the resulting transform line those two up |
| 194 | */ |
| 195 | |
| 196 | static void |
| 197 | xf86ComputeCrtcPan(Bool transform_in_use, |
| 198 | struct pixman_f_transform *m, |
| 199 | double screen_x, double screen_y, |
| 200 | double crtc_x, double crtc_y, |
| 201 | int old_pan_x, int old_pan_y, int *new_pan_x, int *new_pan_y) |
| 202 | { |
| 203 | if (transform_in_use) { |
| 204 | /* |
| 205 | * Given the current transform, M, the current position |
| 206 | * on the Screen, S, and the desired position on the CRTC, |
| 207 | * C, compute a translation, T, such that: |
| 208 | * |
| 209 | * M T S = C |
| 210 | * |
| 211 | * where T is of the form |
| 212 | * |
| 213 | * | 1 0 dx | |
| 214 | * | 0 1 dy | |
| 215 | * | 0 0 1 | |
| 216 | * |
| 217 | * M T S = |
| 218 | * | M00 Sx + M01 Sy + M00 dx + M01 dy + M02 | | Cx F | |
| 219 | * | M10 Sx + M11 Sy + M10 dx + M11 dy + M12 | = | Cy F | |
| 220 | * | M20 Sx + M21 Sy + M20 dx + M21 dy + M22 | | F | |
| 221 | * |
| 222 | * R = M S |
| 223 | * |
| 224 | * Cx F = M00 dx + M01 dy + R0 |
| 225 | * Cy F = M10 dx + M11 dy + R1 |
| 226 | * F = M20 dx + M21 dy + R2 |
| 227 | * |
| 228 | * Zero out dx, then dy |
| 229 | * |
| 230 | * F (Cx M10 - Cy M00) = |
| 231 | * (M10 M01 - M00 M11) dy + M10 R0 - M00 R1 |
| 232 | * F (M10 - Cy M20) = |
| 233 | * (M10 M21 - M20 M11) dy + M10 R2 - M20 R1 |
| 234 | * |
| 235 | * F (Cx M11 - Cy M01) = |
| 236 | * (M11 M00 - M01 M10) dx + M11 R0 - M01 R1 |
| 237 | * F (M11 - Cy M21) = |
| 238 | * (M11 M20 - M21 M10) dx + M11 R2 - M21 R1 |
| 239 | * |
| 240 | * Make some temporaries |
| 241 | * |
| 242 | * T = | Cx M10 - Cy M00 | |
| 243 | * | Cx M11 - Cy M01 | |
| 244 | * |
| 245 | * U = | M10 M01 - M00 M11 | |
| 246 | * | M11 M00 - M01 M10 | |
| 247 | * |
| 248 | * Q = | M10 R0 - M00 R1 | |
| 249 | * | M11 R0 - M01 R1 | |
| 250 | * |
| 251 | * P = | M10 - Cy M20 | |
| 252 | * | M11 - Cy M21 | |
| 253 | * |
| 254 | * W = | M10 M21 - M20 M11 | |
| 255 | * | M11 M20 - M21 M10 | |
| 256 | * |
| 257 | * V = | M10 R2 - M20 R1 | |
| 258 | * | M11 R2 - M21 R1 | |
| 259 | * |
| 260 | * Rewrite: |
| 261 | * |
| 262 | * F T0 = U0 dy + Q0 |
| 263 | * F P0 = W0 dy + V0 |
| 264 | * F T1 = U1 dx + Q1 |
| 265 | * F P1 = W1 dx + V1 |
| 266 | * |
| 267 | * Solve for F (two ways) |
| 268 | * |
| 269 | * F (W0 T0 - U0 P0) = W0 Q0 - U0 V0 |
| 270 | * |
| 271 | * W0 Q0 - U0 V0 |
| 272 | * F = ------------- |
| 273 | * W0 T0 - U0 P0 |
| 274 | * |
| 275 | * F (W1 T1 - U1 P1) = W1 Q1 - U1 V1 |
| 276 | * |
| 277 | * W1 Q1 - U1 V1 |
| 278 | * F = ------------- |
| 279 | * W1 T1 - U1 P1 |
| 280 | * |
| 281 | * We'll use which ever solution works (denominator != 0) |
| 282 | * |
| 283 | * Finally, solve for dx and dy: |
| 284 | * |
| 285 | * dx = (F T1 - Q1) / U1 |
| 286 | * dx = (F P1 - V1) / W1 |
| 287 | * |
| 288 | * dy = (F T0 - Q0) / U0 |
| 289 | * dy = (F P0 - V0) / W0 |
| 290 | */ |
| 291 | double r[3]; |
| 292 | double q[2], u[2], t[2], v[2], w[2], p[2]; |
| 293 | double f; |
| 294 | struct pict_f_vector d; |
| 295 | int i; |
| 296 | |
| 297 | /* Get the un-normalized crtc coordinates again */ |
| 298 | for (i = 0; i < 3; i++) |
| 299 | r[i] = m->m[i][0] * screen_x + m->m[i][1] * screen_y + m->m[i][2]; |
| 300 | |
| 301 | /* Combine values into temporaries */ |
| 302 | for (i = 0; i < 2; i++) { |
| 303 | q[i] = m->m[1][i] * r[0] - m->m[0][i] * r[1]; |
| 304 | u[i] = m->m[1][i] * m->m[0][1 - i] - m->m[0][i] * m->m[1][1 - i]; |
| 305 | t[i] = m->m[1][i] * crtc_x - m->m[0][i] * crtc_y; |
| 306 | |
| 307 | v[i] = m->m[1][i] * r[2] - m->m[2][i] * r[1]; |
| 308 | w[i] = m->m[1][i] * m->m[2][1 - i] - m->m[2][i] * m->m[1][1 - i]; |
| 309 | p[i] = m->m[1][i] - m->m[2][i] * crtc_y; |
| 310 | } |
| 311 | |
| 312 | /* Find a way to compute f */ |
| 313 | f = 0; |
| 314 | for (i = 0; i < 2; i++) { |
| 315 | double a = w[i] * q[i] - u[i] * v[i]; |
| 316 | double b = w[i] * t[i] - u[i] * p[i]; |
| 317 | |
| 318 | if (b != 0) { |
| 319 | f = a / b; |
| 320 | break; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | /* Solve for the resulting transform vector */ |
| 325 | for (i = 0; i < 2; i++) { |
| 326 | if (u[i]) |
| 327 | d.v[1 - i] = (t[i] * f - q[i]) / u[i]; |
| 328 | else if (w[1]) |
| 329 | d.v[1 - i] = (p[i] * f - v[i]) / w[i]; |
| 330 | else |
| 331 | d.v[1 - i] = 0; |
| 332 | } |
| 333 | *new_pan_x = old_pan_x - floor(d.v[0] + 0.5); |
| 334 | *new_pan_y = old_pan_y - floor(d.v[1] + 0.5); |
| 335 | } |
| 336 | else { |
| 337 | *new_pan_x = screen_x - crtc_x; |
| 338 | *new_pan_y = screen_y - crtc_y; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | static void |
| 343 | xf86RandR13Pan(xf86CrtcPtr crtc, int x, int y) |
| 344 | { |
| 345 | int newX, newY; |
| 346 | int width, height; |
| 347 | Bool panned = FALSE; |
| 348 | |
| 349 | if (crtc->version < 2) |
| 350 | return; |
| 351 | |
| 352 | if (!crtc->enabled || |
| 353 | (crtc->panningTotalArea.x2 <= crtc->panningTotalArea.x1 && |
| 354 | crtc->panningTotalArea.y2 <= crtc->panningTotalArea.y1)) |
| 355 | return; |
| 356 | |
| 357 | newX = crtc->x; |
| 358 | newY = crtc->y; |
| 359 | width = crtc->mode.HDisplay; |
| 360 | height = crtc->mode.VDisplay; |
| 361 | |
| 362 | if ((crtc->panningTrackingArea.x2 <= crtc->panningTrackingArea.x1 || |
| 363 | (x >= crtc->panningTrackingArea.x1 && |
| 364 | x < crtc->panningTrackingArea.x2)) && |
| 365 | (crtc->panningTrackingArea.y2 <= crtc->panningTrackingArea.y1 || |
| 366 | (y >= crtc->panningTrackingArea.y1 && |
| 367 | y < crtc->panningTrackingArea.y2))) { |
| 368 | struct pict_f_vector c; |
| 369 | |
| 370 | /* |
| 371 | * Pre-clip the mouse position to the panning area so that we don't |
| 372 | * push the crtc outside. This doesn't deal with changes to the |
| 373 | * panning values, only mouse position changes. |
| 374 | */ |
| 375 | if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { |
| 376 | if (x < crtc->panningTotalArea.x1) |
| 377 | x = crtc->panningTotalArea.x1; |
| 378 | if (x >= crtc->panningTotalArea.x2) |
| 379 | x = crtc->panningTotalArea.x2 - 1; |
| 380 | } |
| 381 | if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { |
| 382 | if (y < crtc->panningTotalArea.y1) |
| 383 | y = crtc->panningTotalArea.y1; |
| 384 | if (y >= crtc->panningTotalArea.y2) |
| 385 | y = crtc->panningTotalArea.y2 - 1; |
| 386 | } |
| 387 | |
| 388 | c.v[0] = x; |
| 389 | c.v[1] = y; |
| 390 | c.v[2] = 1.0; |
| 391 | if (crtc->transform_in_use) { |
| 392 | pixman_f_transform_point(&crtc->f_framebuffer_to_crtc, &c); |
| 393 | } |
| 394 | else { |
| 395 | c.v[0] -= crtc->x; |
| 396 | c.v[1] -= crtc->y; |
| 397 | } |
| 398 | |
| 399 | if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { |
| 400 | if (c.v[0] < crtc->panningBorder[0]) { |
| 401 | c.v[0] = crtc->panningBorder[0]; |
| 402 | panned = TRUE; |
| 403 | } |
| 404 | if (c.v[0] >= width - crtc->panningBorder[2]) { |
| 405 | c.v[0] = width - crtc->panningBorder[2] - 1; |
| 406 | panned = TRUE; |
| 407 | } |
| 408 | } |
| 409 | if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { |
| 410 | if (c.v[1] < crtc->panningBorder[1]) { |
| 411 | c.v[1] = crtc->panningBorder[1]; |
| 412 | panned = TRUE; |
| 413 | } |
| 414 | if (c.v[1] >= height - crtc->panningBorder[3]) { |
| 415 | c.v[1] = height - crtc->panningBorder[3] - 1; |
| 416 | panned = TRUE; |
| 417 | } |
| 418 | } |
| 419 | if (panned) |
| 420 | xf86ComputeCrtcPan(crtc->transform_in_use, |
| 421 | &crtc->f_framebuffer_to_crtc, |
| 422 | x, y, c.v[0], c.v[1], newX, newY, &newX, &newY); |
| 423 | } |
| 424 | |
| 425 | /* |
| 426 | * Ensure that the crtc is within the panning region. |
| 427 | * |
| 428 | * XXX This computation only works when we do not have a transform |
| 429 | * in use. |
| 430 | */ |
| 431 | if (!crtc->transform_in_use) { |
| 432 | /* Validate against [xy]1 after [xy]2, to be sure that results are > 0 for [xy]1 > 0 */ |
| 433 | if (crtc->panningTotalArea.x2 > crtc->panningTotalArea.x1) { |
| 434 | if (newX > crtc->panningTotalArea.x2 - width) |
| 435 | newX = crtc->panningTotalArea.x2 - width; |
| 436 | if (newX < crtc->panningTotalArea.x1) |
| 437 | newX = crtc->panningTotalArea.x1; |
| 438 | } |
| 439 | if (crtc->panningTotalArea.y2 > crtc->panningTotalArea.y1) { |
| 440 | if (newY > crtc->panningTotalArea.y2 - height) |
| 441 | newY = crtc->panningTotalArea.y2 - height; |
| 442 | if (newY < crtc->panningTotalArea.y1) |
| 443 | newY = crtc->panningTotalArea.y1; |
| 444 | } |
| 445 | } |
| 446 | if (newX != crtc->x || newY != crtc->y) |
| 447 | xf86CrtcSetOrigin(crtc, newX, newY); |
| 448 | } |
| 449 | |
| 450 | static Bool |
| 451 | xf86RandR12GetInfo(ScreenPtr pScreen, Rotation * rotations) |
| 452 | { |
| 453 | RRScreenSizePtr pSize; |
| 454 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); |
| 455 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 456 | DisplayModePtr mode; |
| 457 | int refresh0 = 60; |
| 458 | int maxX = 0, maxY = 0; |
| 459 | |
| 460 | *rotations = randrp->supported_rotations; |
| 461 | |
| 462 | if (randrp->virtualX == -1 || randrp->virtualY == -1) { |
| 463 | randrp->virtualX = scrp->virtualX; |
| 464 | randrp->virtualY = scrp->virtualY; |
| 465 | } |
| 466 | |
| 467 | /* Re-probe the outputs for new monitors or modes */ |
| 468 | if (scrp->vtSema) { |
| 469 | xf86ProbeOutputModes(scrp, 0, 0); |
| 470 | xf86SetScrnInfoModes(scrp); |
| 471 | } |
| 472 | |
| 473 | for (mode = scrp->modes;; mode = mode->next) { |
| 474 | int refresh = xf86RandR12ModeRefresh(mode); |
| 475 | |
| 476 | if (randrp->maxX == 0 || randrp->maxY == 0) { |
| 477 | if (maxX < mode->HDisplay) |
| 478 | maxX = mode->HDisplay; |
| 479 | if (maxY < mode->VDisplay) |
| 480 | maxY = mode->VDisplay; |
| 481 | } |
| 482 | if (mode == scrp->modes) |
| 483 | refresh0 = refresh; |
| 484 | pSize = RRRegisterSize(pScreen, |
| 485 | mode->HDisplay, mode->VDisplay, |
| 486 | randrp->mmWidth, randrp->mmHeight); |
| 487 | if (!pSize) |
| 488 | return FALSE; |
| 489 | RRRegisterRate(pScreen, pSize, refresh); |
| 490 | |
| 491 | if (xf86ModesEqual(mode, scrp->currentMode)) { |
| 492 | RRSetCurrentConfig(pScreen, randrp->rotation, refresh, pSize); |
| 493 | } |
| 494 | if (mode->next == scrp->modes) |
| 495 | break; |
| 496 | } |
| 497 | |
| 498 | if (randrp->maxX == 0 || randrp->maxY == 0) { |
| 499 | randrp->maxX = maxX; |
| 500 | randrp->maxY = maxY; |
| 501 | } |
| 502 | |
| 503 | return TRUE; |
| 504 | } |
| 505 | |
| 506 | static Bool |
| 507 | xf86RandR12SetMode(ScreenPtr pScreen, |
| 508 | DisplayModePtr mode, |
| 509 | Bool useVirtual, int mmWidth, int mmHeight) |
| 510 | { |
| 511 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); |
| 512 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 513 | int oldWidth = pScreen->width; |
| 514 | int oldHeight = pScreen->height; |
| 515 | int oldmmWidth = pScreen->mmWidth; |
| 516 | int oldmmHeight = pScreen->mmHeight; |
| 517 | WindowPtr pRoot = pScreen->root; |
| 518 | DisplayModePtr currentMode = NULL; |
| 519 | Bool ret = TRUE; |
| 520 | |
| 521 | if (pRoot) |
| 522 | (*scrp->EnableDisableFBAccess) (scrp, FALSE); |
| 523 | if (useVirtual) { |
| 524 | scrp->virtualX = randrp->virtualX; |
| 525 | scrp->virtualY = randrp->virtualY; |
| 526 | } |
| 527 | else { |
| 528 | scrp->virtualX = mode->HDisplay; |
| 529 | scrp->virtualY = mode->VDisplay; |
| 530 | } |
| 531 | |
| 532 | if (randrp->rotation & (RR_Rotate_90 | RR_Rotate_270)) { |
| 533 | /* If the screen is rotated 90 or 270 degrees, swap the sizes. */ |
| 534 | pScreen->width = scrp->virtualY; |
| 535 | pScreen->height = scrp->virtualX; |
| 536 | pScreen->mmWidth = mmHeight; |
| 537 | pScreen->mmHeight = mmWidth; |
| 538 | } |
| 539 | else { |
| 540 | pScreen->width = scrp->virtualX; |
| 541 | pScreen->height = scrp->virtualY; |
| 542 | pScreen->mmWidth = mmWidth; |
| 543 | pScreen->mmHeight = mmHeight; |
| 544 | } |
| 545 | if (scrp->currentMode == mode) { |
| 546 | /* Save current mode */ |
| 547 | currentMode = scrp->currentMode; |
| 548 | /* Reset, just so we ensure the drivers SwitchMode is called */ |
| 549 | scrp->currentMode = NULL; |
| 550 | } |
| 551 | /* |
| 552 | * We know that if the driver failed to SwitchMode to the rotated |
| 553 | * version, then it should revert back to it's prior mode. |
| 554 | */ |
| 555 | if (!xf86SwitchMode(pScreen, mode)) { |
| 556 | ret = FALSE; |
| 557 | scrp->virtualX = pScreen->width = oldWidth; |
| 558 | scrp->virtualY = pScreen->height = oldHeight; |
| 559 | pScreen->mmWidth = oldmmWidth; |
| 560 | pScreen->mmHeight = oldmmHeight; |
| 561 | scrp->currentMode = currentMode; |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | * Make sure the layout is correct |
| 566 | */ |
| 567 | xf86ReconfigureLayout(); |
| 568 | |
| 569 | /* |
| 570 | * Make sure the whole screen is visible |
| 571 | */ |
| 572 | xf86SetViewport(pScreen, pScreen->width, pScreen->height); |
| 573 | xf86SetViewport(pScreen, 0, 0); |
| 574 | if (pRoot) |
| 575 | (*scrp->EnableDisableFBAccess) (scrp, TRUE); |
| 576 | return ret; |
| 577 | } |
| 578 | |
| 579 | Bool |
| 580 | xf86RandR12SetConfig(ScreenPtr pScreen, |
| 581 | Rotation rotation, int rate, RRScreenSizePtr pSize) |
| 582 | { |
| 583 | ScrnInfoPtr scrp = xf86ScreenToScrn(pScreen); |
| 584 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 585 | DisplayModePtr mode; |
| 586 | int pos[MAXDEVICES][2]; |
| 587 | Bool useVirtual = FALSE; |
| 588 | int maxX = 0, maxY = 0; |
| 589 | Rotation oldRotation = randrp->rotation; |
| 590 | DeviceIntPtr dev; |
| 591 | Bool view_adjusted = FALSE; |
| 592 | |
| 593 | randrp->rotation = rotation; |
| 594 | |
| 595 | if (randrp->virtualX == -1 || randrp->virtualY == -1) { |
| 596 | randrp->virtualX = scrp->virtualX; |
| 597 | randrp->virtualY = scrp->virtualY; |
| 598 | } |
| 599 | |
| 600 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 601 | if (!IsMaster(dev) && !IsFloating(dev)) |
| 602 | continue; |
| 603 | |
| 604 | miPointerGetPosition(dev, &pos[dev->id][0], &pos[dev->id][1]); |
| 605 | } |
| 606 | |
| 607 | for (mode = scrp->modes;; mode = mode->next) { |
| 608 | if (randrp->maxX == 0 || randrp->maxY == 0) { |
| 609 | if (maxX < mode->HDisplay) |
| 610 | maxX = mode->HDisplay; |
| 611 | if (maxY < mode->VDisplay) |
| 612 | maxY = mode->VDisplay; |
| 613 | } |
| 614 | if (mode->HDisplay == pSize->width && |
| 615 | mode->VDisplay == pSize->height && |
| 616 | (rate == 0 || xf86RandR12ModeRefresh(mode) == rate)) |
| 617 | break; |
| 618 | if (mode->next == scrp->modes) { |
| 619 | if (pSize->width == randrp->virtualX && |
| 620 | pSize->height == randrp->virtualY) { |
| 621 | mode = scrp->modes; |
| 622 | useVirtual = TRUE; |
| 623 | break; |
| 624 | } |
| 625 | if (randrp->maxX == 0 || randrp->maxY == 0) { |
| 626 | randrp->maxX = maxX; |
| 627 | randrp->maxY = maxY; |
| 628 | } |
| 629 | return FALSE; |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | if (randrp->maxX == 0 || randrp->maxY == 0) { |
| 634 | randrp->maxX = maxX; |
| 635 | randrp->maxY = maxY; |
| 636 | } |
| 637 | |
| 638 | if (!xf86RandR12SetMode(pScreen, mode, useVirtual, pSize->mmWidth, |
| 639 | pSize->mmHeight)) { |
| 640 | randrp->rotation = oldRotation; |
| 641 | return FALSE; |
| 642 | } |
| 643 | |
| 644 | /* |
| 645 | * Move the cursor back where it belongs; SwitchMode repositions it |
| 646 | * FIXME: duplicated code, see modes/xf86RandR12.c |
| 647 | */ |
| 648 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
| 649 | if (!IsMaster(dev) && !IsFloating(dev)) |
| 650 | continue; |
| 651 | |
| 652 | if (pScreen == miPointerGetScreen(dev)) { |
| 653 | int px = pos[dev->id][0]; |
| 654 | int py = pos[dev->id][1]; |
| 655 | |
| 656 | px = (px >= pScreen->width ? (pScreen->width - 1) : px); |
| 657 | py = (py >= pScreen->height ? (pScreen->height - 1) : py); |
| 658 | |
| 659 | /* Setting the viewpoint makes only sense on one device */ |
| 660 | if (!view_adjusted && IsMaster(dev)) { |
| 661 | xf86SetViewport(pScreen, px, py); |
| 662 | view_adjusted = TRUE; |
| 663 | } |
| 664 | |
| 665 | (*pScreen->SetCursorPosition) (dev, pScreen, px, py, FALSE); |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | return TRUE; |
| 670 | } |
| 671 | |
| 672 | #define PANNING_ENABLED(crtc) \ |
| 673 | ((crtc)->panningTotalArea.x2 > (crtc)->panningTotalArea.x1 || \ |
| 674 | (crtc)->panningTotalArea.y2 > (crtc)->panningTotalArea.y1) |
| 675 | |
| 676 | static Bool |
| 677 | xf86RandR12ScreenSetSize(ScreenPtr pScreen, |
| 678 | CARD16 width, |
| 679 | CARD16 height, CARD32 mmWidth, CARD32 mmHeight) |
| 680 | { |
| 681 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 682 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 683 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 684 | WindowPtr pRoot = pScreen->root; |
| 685 | PixmapPtr pScrnPix; |
| 686 | Bool ret = FALSE; |
| 687 | Bool panning = FALSE; |
| 688 | int c; |
| 689 | |
| 690 | if (xf86RandR12Key) { |
| 691 | if (randrp->virtualX == -1 || randrp->virtualY == -1) { |
| 692 | randrp->virtualX = pScrn->virtualX; |
| 693 | randrp->virtualY = pScrn->virtualY; |
| 694 | } |
| 695 | } |
| 696 | if (pRoot && pScrn->vtSema) |
| 697 | (*pScrn->EnableDisableFBAccess) (pScrn, FALSE); |
| 698 | |
| 699 | /* Let the driver update virtualX and virtualY */ |
| 700 | if (!(*config->funcs->resize) (pScrn, width, height)) |
| 701 | goto finish; |
| 702 | |
| 703 | ret = TRUE; |
| 704 | /* Update panning information */ |
| 705 | for (c = 0; c < config->num_crtc; c++) { |
| 706 | xf86CrtcPtr crtc = config->crtc[c]; |
| 707 | |
| 708 | if (PANNING_ENABLED (crtc)) { |
| 709 | if (crtc->panningTotalArea.x2 > crtc->panningTrackingArea.x1) |
| 710 | crtc->panningTotalArea.x2 += width - pScreen->width; |
| 711 | if (crtc->panningTotalArea.y2 > crtc->panningTrackingArea.y1) |
| 712 | crtc->panningTotalArea.y2 += height - pScreen->height; |
| 713 | if (crtc->panningTrackingArea.x2 > crtc->panningTrackingArea.x1) |
| 714 | crtc->panningTrackingArea.x2 += width - pScreen->width; |
| 715 | if (crtc->panningTrackingArea.y2 > crtc->panningTrackingArea.y1) |
| 716 | crtc->panningTrackingArea.y2 += height - pScreen->height; |
| 717 | xf86RandR13VerifyPanningArea(crtc, width, height); |
| 718 | xf86RandR13Pan(crtc, randrp->pointerX, randrp->pointerY); |
| 719 | panning = TRUE; |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | pScrnPix = (*pScreen->GetScreenPixmap) (pScreen); |
| 724 | pScreen->width = pScrnPix->drawable.width = width; |
| 725 | pScreen->height = pScrnPix->drawable.height = height; |
| 726 | randrp->mmWidth = pScreen->mmWidth = mmWidth; |
| 727 | randrp->mmHeight = pScreen->mmHeight = mmHeight; |
| 728 | |
| 729 | xf86SetViewport(pScreen, pScreen->width - 1, pScreen->height - 1); |
| 730 | xf86SetViewport(pScreen, 0, 0); |
| 731 | |
| 732 | finish: |
| 733 | update_desktop_dimensions(); |
| 734 | |
| 735 | if (pRoot && pScrn->vtSema) |
| 736 | (*pScrn->EnableDisableFBAccess) (pScrn, TRUE); |
| 737 | #if RANDR_12_INTERFACE |
| 738 | if (xf86RandR12Key && pScreen->root && ret) |
| 739 | RRScreenSizeNotify(pScreen); |
| 740 | #endif |
| 741 | return ret; |
| 742 | } |
| 743 | |
| 744 | Rotation |
| 745 | xf86RandR12GetRotation(ScreenPtr pScreen) |
| 746 | { |
| 747 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 748 | |
| 749 | return randrp->rotation; |
| 750 | } |
| 751 | |
| 752 | Bool |
| 753 | xf86RandR12CreateScreenResources(ScreenPtr pScreen) |
| 754 | { |
| 755 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 756 | xf86CrtcConfigPtr config; |
| 757 | XF86RandRInfoPtr randrp; |
| 758 | int c; |
| 759 | int width, height; |
| 760 | int mmWidth, mmHeight; |
| 761 | |
| 762 | #ifdef PANORAMIX |
| 763 | /* XXX disable RandR when using Xinerama */ |
| 764 | if (!noPanoramiXExtension) |
| 765 | return TRUE; |
| 766 | #endif |
| 767 | |
| 768 | config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 769 | randrp = XF86RANDRINFO(pScreen); |
| 770 | /* |
| 771 | * Compute size of screen |
| 772 | */ |
| 773 | width = 0; |
| 774 | height = 0; |
| 775 | for (c = 0; c < config->num_crtc; c++) { |
| 776 | xf86CrtcPtr crtc = config->crtc[c]; |
| 777 | int crtc_width = crtc->x + xf86ModeWidth(&crtc->mode, crtc->rotation); |
| 778 | int crtc_height = crtc->y + xf86ModeHeight(&crtc->mode, crtc->rotation); |
| 779 | |
| 780 | if (crtc->enabled) { |
| 781 | if (crtc_width > width) |
| 782 | width = crtc_width; |
| 783 | if (crtc_height > height) |
| 784 | height = crtc_height; |
| 785 | if (crtc->panningTotalArea.x2 > width) |
| 786 | width = crtc->panningTotalArea.x2; |
| 787 | if (crtc->panningTotalArea.y2 > height) |
| 788 | height = crtc->panningTotalArea.y2; |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | if (width && height) { |
| 793 | /* |
| 794 | * Compute physical size of screen |
| 795 | */ |
| 796 | if (monitorResolution) { |
| 797 | mmWidth = width * 25.4 / monitorResolution; |
| 798 | mmHeight = height * 25.4 / monitorResolution; |
| 799 | } |
| 800 | else { |
| 801 | xf86OutputPtr output = xf86CompatOutput(pScrn); |
| 802 | |
| 803 | if (output && |
| 804 | output->conf_monitor && |
| 805 | (output->conf_monitor->mon_width > 0 && |
| 806 | output->conf_monitor->mon_height > 0)) { |
| 807 | /* |
| 808 | * Prefer user configured DisplaySize |
| 809 | */ |
| 810 | mmWidth = output->conf_monitor->mon_width; |
| 811 | mmHeight = output->conf_monitor->mon_height; |
| 812 | } |
| 813 | else { |
| 814 | /* |
| 815 | * Otherwise, just set the screen to DEFAULT_DPI |
| 816 | */ |
| 817 | mmWidth = width * 25.4 / DEFAULT_DPI; |
| 818 | mmHeight = height * 25.4 / DEFAULT_DPI; |
| 819 | } |
| 820 | } |
| 821 | xf86DrvMsg(pScrn->scrnIndex, X_INFO, |
| 822 | "Setting screen physical size to %d x %d\n", |
| 823 | mmWidth, mmHeight); |
| 824 | /* |
| 825 | * This is the initial setting of the screen size. |
| 826 | * We have to pre-set it here, otherwise panning would be adapted |
| 827 | * to the new screen size. |
| 828 | */ |
| 829 | pScreen->width = width; |
| 830 | pScreen->height = height; |
| 831 | xf86RandR12ScreenSetSize(pScreen, width, height, mmWidth, mmHeight); |
| 832 | } |
| 833 | |
| 834 | if (xf86RandR12Key == NULL) |
| 835 | return TRUE; |
| 836 | |
| 837 | if (randrp->virtualX == -1 || randrp->virtualY == -1) { |
| 838 | randrp->virtualX = pScrn->virtualX; |
| 839 | randrp->virtualY = pScrn->virtualY; |
| 840 | } |
| 841 | xf86CrtcSetScreenSubpixelOrder(pScreen); |
| 842 | #if RANDR_12_INTERFACE |
| 843 | if (xf86RandR12CreateScreenResources12(pScreen)) |
| 844 | return TRUE; |
| 845 | #endif |
| 846 | return TRUE; |
| 847 | } |
| 848 | |
| 849 | Bool |
| 850 | xf86RandR12Init(ScreenPtr pScreen) |
| 851 | { |
| 852 | rrScrPrivPtr rp; |
| 853 | XF86RandRInfoPtr randrp; |
| 854 | |
| 855 | #ifdef PANORAMIX |
| 856 | /* XXX disable RandR when using Xinerama */ |
| 857 | if (!noPanoramiXExtension) { |
| 858 | if (xf86NumScreens == 1) |
| 859 | noPanoramiXExtension = TRUE; |
| 860 | else |
| 861 | return TRUE; |
| 862 | } |
| 863 | #endif |
| 864 | |
| 865 | if (xf86RandR12Generation != serverGeneration) |
| 866 | xf86RandR12Generation = serverGeneration; |
| 867 | |
| 868 | xf86RandR12Key = &xf86RandR12KeyRec; |
| 869 | if (!dixRegisterPrivateKey(&xf86RandR12KeyRec, PRIVATE_SCREEN, 0)) |
| 870 | return FALSE; |
| 871 | |
| 872 | randrp = malloc(sizeof(XF86RandRInfoRec)); |
| 873 | if (!randrp) |
| 874 | return FALSE; |
| 875 | |
| 876 | if (!RRScreenInit(pScreen)) { |
| 877 | free(randrp); |
| 878 | return FALSE; |
| 879 | } |
| 880 | rp = rrGetScrPriv(pScreen); |
| 881 | rp->rrGetInfo = xf86RandR12GetInfo; |
| 882 | rp->rrSetConfig = xf86RandR12SetConfig; |
| 883 | |
| 884 | randrp->virtualX = -1; |
| 885 | randrp->virtualY = -1; |
| 886 | randrp->mmWidth = pScreen->mmWidth; |
| 887 | randrp->mmHeight = pScreen->mmHeight; |
| 888 | |
| 889 | randrp->rotation = RR_Rotate_0; /* initial rotated mode */ |
| 890 | |
| 891 | randrp->supported_rotations = RR_Rotate_0; |
| 892 | |
| 893 | randrp->maxX = randrp->maxY = 0; |
| 894 | |
| 895 | dixSetPrivate(&pScreen->devPrivates, xf86RandR12Key, randrp); |
| 896 | |
| 897 | #if RANDR_12_INTERFACE |
| 898 | if (!xf86RandR12Init12(pScreen)) |
| 899 | return FALSE; |
| 900 | #endif |
| 901 | return TRUE; |
| 902 | } |
| 903 | |
| 904 | void |
| 905 | xf86RandR12CloseScreen(ScreenPtr pScreen) |
| 906 | { |
| 907 | XF86RandRInfoPtr randrp; |
| 908 | |
| 909 | if (xf86RandR12Key == NULL) |
| 910 | return; |
| 911 | |
| 912 | randrp = XF86RANDRINFO(pScreen); |
| 913 | #if RANDR_12_INTERFACE |
| 914 | xf86ScreenToScrn(pScreen)->EnterVT = randrp->orig_EnterVT; |
| 915 | pScreen->ConstrainCursorHarder = randrp->orig_ConstrainCursorHarder; |
| 916 | #endif |
| 917 | |
| 918 | free(randrp); |
| 919 | } |
| 920 | |
| 921 | void |
| 922 | xf86RandR12SetRotations(ScreenPtr pScreen, Rotation rotations) |
| 923 | { |
| 924 | XF86RandRInfoPtr randrp; |
| 925 | |
| 926 | #if RANDR_12_INTERFACE |
| 927 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 928 | int c; |
| 929 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 930 | #endif |
| 931 | |
| 932 | if (xf86RandR12Key == NULL) |
| 933 | return; |
| 934 | |
| 935 | randrp = XF86RANDRINFO(pScreen); |
| 936 | #if RANDR_12_INTERFACE |
| 937 | for (c = 0; c < config->num_crtc; c++) { |
| 938 | xf86CrtcPtr crtc = config->crtc[c]; |
| 939 | |
| 940 | RRCrtcSetRotations(crtc->randr_crtc, rotations); |
| 941 | } |
| 942 | #endif |
| 943 | randrp->supported_rotations = rotations; |
| 944 | } |
| 945 | |
| 946 | void |
| 947 | xf86RandR12SetTransformSupport(ScreenPtr pScreen, Bool transforms) |
| 948 | { |
| 949 | XF86RandRInfoPtr randrp; |
| 950 | |
| 951 | #if RANDR_13_INTERFACE |
| 952 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 953 | int c; |
| 954 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 955 | #endif |
| 956 | |
| 957 | if (xf86RandR12Key == NULL) |
| 958 | return; |
| 959 | |
| 960 | randrp = XF86RANDRINFO(pScreen); |
| 961 | #if RANDR_13_INTERFACE |
| 962 | for (c = 0; c < config->num_crtc; c++) { |
| 963 | xf86CrtcPtr crtc = config->crtc[c]; |
| 964 | |
| 965 | RRCrtcSetTransformSupport(crtc->randr_crtc, transforms); |
| 966 | } |
| 967 | #endif |
| 968 | } |
| 969 | |
| 970 | void |
| 971 | xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y) |
| 972 | { |
| 973 | ScreenPtr pScreen = xf86ScrnToScreen(pScrn); |
| 974 | |
| 975 | if (xf86RandR12Generation != serverGeneration || |
| 976 | XF86RANDRINFO(pScreen)->virtualX == -1) { |
| 977 | *x = pScrn->virtualX; |
| 978 | *y = pScrn->virtualY; |
| 979 | } |
| 980 | else { |
| 981 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 982 | |
| 983 | *x = randrp->virtualX; |
| 984 | *y = randrp->virtualY; |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | #if RANDR_12_INTERFACE |
| 989 | |
| 990 | #define FLAG_BITS (RR_HSyncPositive | \ |
| 991 | RR_HSyncNegative | \ |
| 992 | RR_VSyncPositive | \ |
| 993 | RR_VSyncNegative | \ |
| 994 | RR_Interlace | \ |
| 995 | RR_DoubleScan | \ |
| 996 | RR_CSync | \ |
| 997 | RR_CSyncPositive | \ |
| 998 | RR_CSyncNegative | \ |
| 999 | RR_HSkewPresent | \ |
| 1000 | RR_BCast | \ |
| 1001 | RR_PixelMultiplex | \ |
| 1002 | RR_DoubleClock | \ |
| 1003 | RR_ClockDivideBy2) |
| 1004 | |
| 1005 | static Bool |
| 1006 | xf86RandRModeMatches(RRModePtr randr_mode, DisplayModePtr mode) |
| 1007 | { |
| 1008 | #if 0 |
| 1009 | if (match_name) { |
| 1010 | /* check for same name */ |
| 1011 | int len = strlen(mode->name); |
| 1012 | |
| 1013 | if (randr_mode->mode.nameLength != len) |
| 1014 | return FALSE; |
| 1015 | if (memcmp(randr_mode->name, mode->name, len) != 0) |
| 1016 | return FALSE; |
| 1017 | } |
| 1018 | #endif |
| 1019 | |
| 1020 | /* check for same timings */ |
| 1021 | if (randr_mode->mode.dotClock / 1000 != mode->Clock) |
| 1022 | return FALSE; |
| 1023 | if (randr_mode->mode.width != mode->HDisplay) |
| 1024 | return FALSE; |
| 1025 | if (randr_mode->mode.hSyncStart != mode->HSyncStart) |
| 1026 | return FALSE; |
| 1027 | if (randr_mode->mode.hSyncEnd != mode->HSyncEnd) |
| 1028 | return FALSE; |
| 1029 | if (randr_mode->mode.hTotal != mode->HTotal) |
| 1030 | return FALSE; |
| 1031 | if (randr_mode->mode.hSkew != mode->HSkew) |
| 1032 | return FALSE; |
| 1033 | if (randr_mode->mode.height != mode->VDisplay) |
| 1034 | return FALSE; |
| 1035 | if (randr_mode->mode.vSyncStart != mode->VSyncStart) |
| 1036 | return FALSE; |
| 1037 | if (randr_mode->mode.vSyncEnd != mode->VSyncEnd) |
| 1038 | return FALSE; |
| 1039 | if (randr_mode->mode.vTotal != mode->VTotal) |
| 1040 | return FALSE; |
| 1041 | |
| 1042 | /* check for same flags (using only the XF86 valid flag bits) */ |
| 1043 | if ((randr_mode->mode.modeFlags & FLAG_BITS) != (mode->Flags & FLAG_BITS)) |
| 1044 | return FALSE; |
| 1045 | |
| 1046 | /* everything matches */ |
| 1047 | return TRUE; |
| 1048 | } |
| 1049 | |
| 1050 | static Bool |
| 1051 | xf86RandR12CrtcNotify(RRCrtcPtr randr_crtc) |
| 1052 | { |
| 1053 | ScreenPtr pScreen = randr_crtc->pScreen; |
| 1054 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1055 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1056 | RRModePtr randr_mode = NULL; |
| 1057 | int x; |
| 1058 | int y; |
| 1059 | Rotation rotation; |
| 1060 | int numOutputs; |
| 1061 | RROutputPtr *randr_outputs; |
| 1062 | RROutputPtr randr_output; |
| 1063 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1064 | xf86OutputPtr output; |
| 1065 | int i, j; |
| 1066 | DisplayModePtr mode = &crtc->mode; |
| 1067 | Bool ret; |
| 1068 | |
| 1069 | randr_outputs = malloc(config->num_output * sizeof(RROutputPtr)); |
| 1070 | if (!randr_outputs) |
| 1071 | return FALSE; |
| 1072 | x = crtc->x; |
| 1073 | y = crtc->y; |
| 1074 | rotation = crtc->rotation; |
| 1075 | numOutputs = 0; |
| 1076 | randr_mode = NULL; |
| 1077 | for (i = 0; i < config->num_output; i++) { |
| 1078 | output = config->output[i]; |
| 1079 | if (output->crtc == crtc) { |
| 1080 | randr_output = output->randr_output; |
| 1081 | randr_outputs[numOutputs++] = randr_output; |
| 1082 | /* |
| 1083 | * We make copies of modes, so pointer equality |
| 1084 | * isn't sufficient |
| 1085 | */ |
| 1086 | for (j = 0; j < randr_output->numModes + randr_output->numUserModes; |
| 1087 | j++) { |
| 1088 | RRModePtr m = |
| 1089 | (j < |
| 1090 | randr_output->numModes ? randr_output-> |
| 1091 | modes[j] : randr_output->userModes[j - |
| 1092 | randr_output-> |
| 1093 | numModes]); |
| 1094 | |
| 1095 | if (xf86RandRModeMatches(m, mode)) { |
| 1096 | randr_mode = m; |
| 1097 | break; |
| 1098 | } |
| 1099 | } |
| 1100 | } |
| 1101 | } |
| 1102 | ret = RRCrtcNotify(randr_crtc, randr_mode, x, y, |
| 1103 | rotation, |
| 1104 | crtc->transformPresent ? &crtc->transform : NULL, |
| 1105 | numOutputs, randr_outputs); |
| 1106 | free(randr_outputs); |
| 1107 | return ret; |
| 1108 | } |
| 1109 | |
| 1110 | /* |
| 1111 | * Convert a RandR mode to a DisplayMode |
| 1112 | */ |
| 1113 | static void |
| 1114 | xf86RandRModeConvert(ScrnInfoPtr scrn, |
| 1115 | RRModePtr randr_mode, DisplayModePtr mode) |
| 1116 | { |
| 1117 | memset(mode, 0, sizeof(DisplayModeRec)); |
| 1118 | mode->status = MODE_OK; |
| 1119 | |
| 1120 | mode->Clock = randr_mode->mode.dotClock / 1000; |
| 1121 | |
| 1122 | mode->HDisplay = randr_mode->mode.width; |
| 1123 | mode->HSyncStart = randr_mode->mode.hSyncStart; |
| 1124 | mode->HSyncEnd = randr_mode->mode.hSyncEnd; |
| 1125 | mode->HTotal = randr_mode->mode.hTotal; |
| 1126 | mode->HSkew = randr_mode->mode.hSkew; |
| 1127 | |
| 1128 | mode->VDisplay = randr_mode->mode.height; |
| 1129 | mode->VSyncStart = randr_mode->mode.vSyncStart; |
| 1130 | mode->VSyncEnd = randr_mode->mode.vSyncEnd; |
| 1131 | mode->VTotal = randr_mode->mode.vTotal; |
| 1132 | mode->VScan = 0; |
| 1133 | |
| 1134 | mode->Flags = randr_mode->mode.modeFlags & FLAG_BITS; |
| 1135 | |
| 1136 | xf86SetModeCrtc(mode, scrn->adjustFlags); |
| 1137 | } |
| 1138 | |
| 1139 | static Bool |
| 1140 | xf86RandR12CrtcSet(ScreenPtr pScreen, |
| 1141 | RRCrtcPtr randr_crtc, |
| 1142 | RRModePtr randr_mode, |
| 1143 | int x, |
| 1144 | int y, |
| 1145 | Rotation rotation, |
| 1146 | int num_randr_outputs, RROutputPtr * randr_outputs) |
| 1147 | { |
| 1148 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 1149 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1150 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1151 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1152 | RRTransformPtr transform; |
| 1153 | Bool changed = FALSE; |
| 1154 | int o, ro; |
| 1155 | xf86CrtcPtr *save_crtcs; |
| 1156 | Bool save_enabled = crtc->enabled; |
| 1157 | |
| 1158 | if (!crtc->scrn->vtSema) |
| 1159 | return FALSE; |
| 1160 | |
| 1161 | save_crtcs = malloc(config->num_output * sizeof(xf86CrtcPtr)); |
| 1162 | if ((randr_mode != NULL) != crtc->enabled) |
| 1163 | changed = TRUE; |
| 1164 | else if (randr_mode && !xf86RandRModeMatches(randr_mode, &crtc->mode)) |
| 1165 | changed = TRUE; |
| 1166 | |
| 1167 | if (rotation != crtc->rotation) |
| 1168 | changed = TRUE; |
| 1169 | |
| 1170 | if (crtc->current_scanout != randr_crtc->scanout_pixmap) |
| 1171 | changed = TRUE; |
| 1172 | |
| 1173 | transform = RRCrtcGetTransform(randr_crtc); |
| 1174 | if ((transform != NULL) != crtc->transformPresent) |
| 1175 | changed = TRUE; |
| 1176 | else if (transform && |
| 1177 | memcmp(&transform->transform, &crtc->transform.transform, |
| 1178 | sizeof(transform->transform)) != 0) |
| 1179 | changed = TRUE; |
| 1180 | |
| 1181 | if (x != crtc->x || y != crtc->y) |
| 1182 | changed = TRUE; |
| 1183 | for (o = 0; o < config->num_output; o++) { |
| 1184 | xf86OutputPtr output = config->output[o]; |
| 1185 | xf86CrtcPtr new_crtc; |
| 1186 | |
| 1187 | save_crtcs[o] = output->crtc; |
| 1188 | |
| 1189 | if (output->crtc == crtc) |
| 1190 | new_crtc = NULL; |
| 1191 | else |
| 1192 | new_crtc = output->crtc; |
| 1193 | for (ro = 0; ro < num_randr_outputs; ro++) |
| 1194 | if (output->randr_output == randr_outputs[ro]) { |
| 1195 | new_crtc = crtc; |
| 1196 | break; |
| 1197 | } |
| 1198 | if (new_crtc != output->crtc) { |
| 1199 | changed = TRUE; |
| 1200 | output->crtc = new_crtc; |
| 1201 | } |
| 1202 | } |
| 1203 | for (ro = 0; ro < num_randr_outputs; ro++) |
| 1204 | if (randr_outputs[ro]->pendingProperties) |
| 1205 | changed = TRUE; |
| 1206 | |
| 1207 | /* XXX need device-independent mode setting code through an API */ |
| 1208 | if (changed) { |
| 1209 | crtc->enabled = randr_mode != NULL; |
| 1210 | |
| 1211 | if (randr_mode) { |
| 1212 | DisplayModeRec mode; |
| 1213 | RRTransformPtr transform = RRCrtcGetTransform(randr_crtc); |
| 1214 | |
| 1215 | xf86RandRModeConvert(pScrn, randr_mode, &mode); |
| 1216 | if (!xf86CrtcSetModeTransform |
| 1217 | (crtc, &mode, rotation, transform, x, y)) { |
| 1218 | crtc->enabled = save_enabled; |
| 1219 | for (o = 0; o < config->num_output; o++) { |
| 1220 | xf86OutputPtr output = config->output[o]; |
| 1221 | |
| 1222 | output->crtc = save_crtcs[o]; |
| 1223 | } |
| 1224 | free(save_crtcs); |
| 1225 | return FALSE; |
| 1226 | } |
| 1227 | xf86RandR13VerifyPanningArea(crtc, pScreen->width, pScreen->height); |
| 1228 | xf86RandR13Pan(crtc, randrp->pointerX, randrp->pointerY); |
| 1229 | randrp->panning = PANNING_ENABLED (crtc); |
| 1230 | /* |
| 1231 | * Save the last successful setting for EnterVT |
| 1232 | */ |
| 1233 | xf86SaveModeContents(&crtc->desiredMode, &mode); |
| 1234 | crtc->desiredRotation = rotation; |
| 1235 | crtc->current_scanout = randr_crtc->scanout_pixmap; |
| 1236 | if (transform) { |
| 1237 | crtc->desiredTransform = *transform; |
| 1238 | crtc->desiredTransformPresent = TRUE; |
| 1239 | } |
| 1240 | else |
| 1241 | crtc->desiredTransformPresent = FALSE; |
| 1242 | |
| 1243 | crtc->desiredX = x; |
| 1244 | crtc->desiredY = y; |
| 1245 | } |
| 1246 | xf86DisableUnusedFunctions(pScrn); |
| 1247 | } |
| 1248 | free(save_crtcs); |
| 1249 | return xf86RandR12CrtcNotify(randr_crtc); |
| 1250 | } |
| 1251 | |
| 1252 | static Bool |
| 1253 | xf86RandR12CrtcSetGamma(ScreenPtr pScreen, RRCrtcPtr randr_crtc) |
| 1254 | { |
| 1255 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1256 | |
| 1257 | if (crtc->funcs->gamma_set == NULL) |
| 1258 | return FALSE; |
| 1259 | |
| 1260 | if (!crtc->scrn->vtSema) |
| 1261 | return TRUE; |
| 1262 | |
| 1263 | /* Realloc local gamma if needed. */ |
| 1264 | if (randr_crtc->gammaSize != crtc->gamma_size) { |
| 1265 | CARD16 *tmp_ptr; |
| 1266 | |
| 1267 | tmp_ptr = |
| 1268 | realloc(crtc->gamma_red, 3 * crtc->gamma_size * sizeof(CARD16)); |
| 1269 | if (!tmp_ptr) |
| 1270 | return FALSE; |
| 1271 | crtc->gamma_red = tmp_ptr; |
| 1272 | crtc->gamma_green = crtc->gamma_red + crtc->gamma_size; |
| 1273 | crtc->gamma_blue = crtc->gamma_green + crtc->gamma_size; |
| 1274 | } |
| 1275 | |
| 1276 | crtc->gamma_size = randr_crtc->gammaSize; |
| 1277 | memcpy(crtc->gamma_red, randr_crtc->gammaRed, |
| 1278 | crtc->gamma_size * sizeof(CARD16)); |
| 1279 | memcpy(crtc->gamma_green, randr_crtc->gammaGreen, |
| 1280 | crtc->gamma_size * sizeof(CARD16)); |
| 1281 | memcpy(crtc->gamma_blue, randr_crtc->gammaBlue, |
| 1282 | crtc->gamma_size * sizeof(CARD16)); |
| 1283 | |
| 1284 | /* Only set it when the crtc is actually running. |
| 1285 | * Otherwise it will be set when it's activated. |
| 1286 | */ |
| 1287 | if (crtc->active) |
| 1288 | crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green, |
| 1289 | crtc->gamma_blue, crtc->gamma_size); |
| 1290 | |
| 1291 | return TRUE; |
| 1292 | } |
| 1293 | |
| 1294 | static Bool |
| 1295 | xf86RandR12CrtcGetGamma(ScreenPtr pScreen, RRCrtcPtr randr_crtc) |
| 1296 | { |
| 1297 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1298 | |
| 1299 | if (!crtc->gamma_size) |
| 1300 | return FALSE; |
| 1301 | |
| 1302 | if (!crtc->gamma_red || !crtc->gamma_green || !crtc->gamma_blue) |
| 1303 | return FALSE; |
| 1304 | |
| 1305 | /* Realloc randr gamma if needed. */ |
| 1306 | if (randr_crtc->gammaSize != crtc->gamma_size) { |
| 1307 | CARD16 *tmp_ptr; |
| 1308 | |
| 1309 | tmp_ptr = |
| 1310 | realloc(randr_crtc->gammaRed, |
| 1311 | 3 * crtc->gamma_size * sizeof(CARD16)); |
| 1312 | if (!tmp_ptr) |
| 1313 | return FALSE; |
| 1314 | randr_crtc->gammaRed = tmp_ptr; |
| 1315 | randr_crtc->gammaGreen = randr_crtc->gammaRed + crtc->gamma_size; |
| 1316 | randr_crtc->gammaBlue = randr_crtc->gammaGreen + crtc->gamma_size; |
| 1317 | } |
| 1318 | randr_crtc->gammaSize = crtc->gamma_size; |
| 1319 | memcpy(randr_crtc->gammaRed, crtc->gamma_red, |
| 1320 | crtc->gamma_size * sizeof(CARD16)); |
| 1321 | memcpy(randr_crtc->gammaGreen, crtc->gamma_green, |
| 1322 | crtc->gamma_size * sizeof(CARD16)); |
| 1323 | memcpy(randr_crtc->gammaBlue, crtc->gamma_blue, |
| 1324 | crtc->gamma_size * sizeof(CARD16)); |
| 1325 | |
| 1326 | return TRUE; |
| 1327 | } |
| 1328 | |
| 1329 | static Bool |
| 1330 | xf86RandR12OutputSetProperty(ScreenPtr pScreen, |
| 1331 | RROutputPtr randr_output, |
| 1332 | Atom property, RRPropertyValuePtr value) |
| 1333 | { |
| 1334 | xf86OutputPtr output = randr_output->devPrivate; |
| 1335 | |
| 1336 | /* If we don't have any property handler, then we don't care what the |
| 1337 | * user is setting properties to. |
| 1338 | */ |
| 1339 | if (output->funcs->set_property == NULL) |
| 1340 | return TRUE; |
| 1341 | |
| 1342 | /* |
| 1343 | * This function gets called even when vtSema is FALSE, as |
| 1344 | * drivers will need to remember the correct value to apply |
| 1345 | * when the VT switch occurs |
| 1346 | */ |
| 1347 | return output->funcs->set_property(output, property, value); |
| 1348 | } |
| 1349 | |
| 1350 | static Bool |
| 1351 | xf86RandR13OutputGetProperty(ScreenPtr pScreen, |
| 1352 | RROutputPtr randr_output, Atom property) |
| 1353 | { |
| 1354 | xf86OutputPtr output = randr_output->devPrivate; |
| 1355 | |
| 1356 | if (output->funcs->get_property == NULL) |
| 1357 | return TRUE; |
| 1358 | |
| 1359 | /* Should be safe even w/o vtSema */ |
| 1360 | return output->funcs->get_property(output, property); |
| 1361 | } |
| 1362 | |
| 1363 | static Bool |
| 1364 | xf86RandR12OutputValidateMode(ScreenPtr pScreen, |
| 1365 | RROutputPtr randr_output, RRModePtr randr_mode) |
| 1366 | { |
| 1367 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1368 | xf86OutputPtr output = randr_output->devPrivate; |
| 1369 | DisplayModeRec mode; |
| 1370 | |
| 1371 | xf86RandRModeConvert(pScrn, randr_mode, &mode); |
| 1372 | /* |
| 1373 | * This function may be called when vtSema is FALSE, so |
| 1374 | * the underlying function must either avoid touching the hardware |
| 1375 | * or return FALSE when vtSema is FALSE |
| 1376 | */ |
| 1377 | if (output->funcs->mode_valid(output, &mode) != MODE_OK) |
| 1378 | return FALSE; |
| 1379 | return TRUE; |
| 1380 | } |
| 1381 | |
| 1382 | static void |
| 1383 | xf86RandR12ModeDestroy(ScreenPtr pScreen, RRModePtr randr_mode) |
| 1384 | { |
| 1385 | } |
| 1386 | |
| 1387 | /** |
| 1388 | * Given a list of xf86 modes and a RandR Output object, construct |
| 1389 | * RandR modes and assign them to the output |
| 1390 | */ |
| 1391 | static Bool |
| 1392 | xf86RROutputSetModes(RROutputPtr randr_output, DisplayModePtr modes) |
| 1393 | { |
| 1394 | DisplayModePtr mode; |
| 1395 | RRModePtr *rrmodes = NULL; |
| 1396 | int nmode = 0; |
| 1397 | int npreferred = 0; |
| 1398 | Bool ret = TRUE; |
| 1399 | int pref; |
| 1400 | |
| 1401 | for (mode = modes; mode; mode = mode->next) |
| 1402 | nmode++; |
| 1403 | |
| 1404 | if (nmode) { |
| 1405 | rrmodes = malloc(nmode * sizeof(RRModePtr)); |
| 1406 | |
| 1407 | if (!rrmodes) |
| 1408 | return FALSE; |
| 1409 | nmode = 0; |
| 1410 | |
| 1411 | for (pref = 1; pref >= 0; pref--) { |
| 1412 | for (mode = modes; mode; mode = mode->next) { |
| 1413 | if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) { |
| 1414 | xRRModeInfo modeInfo; |
| 1415 | RRModePtr rrmode; |
| 1416 | |
| 1417 | modeInfo.nameLength = strlen(mode->name); |
| 1418 | modeInfo.width = mode->HDisplay; |
| 1419 | modeInfo.dotClock = mode->Clock * 1000; |
| 1420 | modeInfo.hSyncStart = mode->HSyncStart; |
| 1421 | modeInfo.hSyncEnd = mode->HSyncEnd; |
| 1422 | modeInfo.hTotal = mode->HTotal; |
| 1423 | modeInfo.hSkew = mode->HSkew; |
| 1424 | |
| 1425 | modeInfo.height = mode->VDisplay; |
| 1426 | modeInfo.vSyncStart = mode->VSyncStart; |
| 1427 | modeInfo.vSyncEnd = mode->VSyncEnd; |
| 1428 | modeInfo.vTotal = mode->VTotal; |
| 1429 | modeInfo.modeFlags = mode->Flags; |
| 1430 | |
| 1431 | rrmode = RRModeGet(&modeInfo, mode->name); |
| 1432 | if (rrmode) { |
| 1433 | rrmodes[nmode++] = rrmode; |
| 1434 | npreferred += pref; |
| 1435 | } |
| 1436 | } |
| 1437 | } |
| 1438 | } |
| 1439 | } |
| 1440 | |
| 1441 | ret = RROutputSetModes(randr_output, rrmodes, nmode, npreferred); |
| 1442 | free(rrmodes); |
| 1443 | return ret; |
| 1444 | } |
| 1445 | |
| 1446 | /* |
| 1447 | * Mirror the current mode configuration to RandR |
| 1448 | */ |
| 1449 | static Bool |
| 1450 | xf86RandR12SetInfo12(ScreenPtr pScreen) |
| 1451 | { |
| 1452 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1453 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1454 | RROutputPtr *clones; |
| 1455 | RRCrtcPtr *crtcs; |
| 1456 | int ncrtc; |
| 1457 | int o, c, l; |
| 1458 | RRCrtcPtr randr_crtc; |
| 1459 | int nclone; |
| 1460 | |
| 1461 | clones = malloc(config->num_output * sizeof(RROutputPtr)); |
| 1462 | crtcs = malloc(config->num_crtc * sizeof(RRCrtcPtr)); |
| 1463 | for (o = 0; o < config->num_output; o++) { |
| 1464 | xf86OutputPtr output = config->output[o]; |
| 1465 | |
| 1466 | ncrtc = 0; |
| 1467 | for (c = 0; c < config->num_crtc; c++) |
| 1468 | if (output->possible_crtcs & (1 << c)) |
| 1469 | crtcs[ncrtc++] = config->crtc[c]->randr_crtc; |
| 1470 | |
| 1471 | if (output->crtc) |
| 1472 | randr_crtc = output->crtc->randr_crtc; |
| 1473 | else |
| 1474 | randr_crtc = NULL; |
| 1475 | |
| 1476 | if (!RROutputSetCrtcs(output->randr_output, crtcs, ncrtc)) { |
| 1477 | free(crtcs); |
| 1478 | free(clones); |
| 1479 | return FALSE; |
| 1480 | } |
| 1481 | |
| 1482 | RROutputSetPhysicalSize(output->randr_output, |
| 1483 | output->mm_width, output->mm_height); |
| 1484 | xf86RROutputSetModes(output->randr_output, output->probed_modes); |
| 1485 | |
| 1486 | switch (output->status) { |
| 1487 | case XF86OutputStatusConnected: |
| 1488 | RROutputSetConnection(output->randr_output, RR_Connected); |
| 1489 | break; |
| 1490 | case XF86OutputStatusDisconnected: |
| 1491 | RROutputSetConnection(output->randr_output, RR_Disconnected); |
| 1492 | break; |
| 1493 | case XF86OutputStatusUnknown: |
| 1494 | RROutputSetConnection(output->randr_output, RR_UnknownConnection); |
| 1495 | break; |
| 1496 | } |
| 1497 | |
| 1498 | RROutputSetSubpixelOrder(output->randr_output, output->subpixel_order); |
| 1499 | |
| 1500 | /* |
| 1501 | * Valid clones |
| 1502 | */ |
| 1503 | nclone = 0; |
| 1504 | for (l = 0; l < config->num_output; l++) { |
| 1505 | xf86OutputPtr clone = config->output[l]; |
| 1506 | |
| 1507 | if (l != o && (output->possible_clones & (1 << l))) |
| 1508 | clones[nclone++] = clone->randr_output; |
| 1509 | } |
| 1510 | if (!RROutputSetClones(output->randr_output, clones, nclone)) { |
| 1511 | free(crtcs); |
| 1512 | free(clones); |
| 1513 | return FALSE; |
| 1514 | } |
| 1515 | } |
| 1516 | free(crtcs); |
| 1517 | free(clones); |
| 1518 | return TRUE; |
| 1519 | } |
| 1520 | |
| 1521 | /* |
| 1522 | * Query the hardware for the current state, then mirror |
| 1523 | * that to RandR |
| 1524 | */ |
| 1525 | static Bool |
| 1526 | xf86RandR12GetInfo12(ScreenPtr pScreen, Rotation * rotations) |
| 1527 | { |
| 1528 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1529 | |
| 1530 | if (!pScrn->vtSema) |
| 1531 | return TRUE; |
| 1532 | xf86ProbeOutputModes(pScrn, 0, 0); |
| 1533 | xf86SetScrnInfoModes(pScrn); |
| 1534 | return xf86RandR12SetInfo12(pScreen); |
| 1535 | } |
| 1536 | |
| 1537 | static Bool |
| 1538 | xf86RandR12CreateObjects12(ScreenPtr pScreen) |
| 1539 | { |
| 1540 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1541 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1542 | int c; |
| 1543 | int o; |
| 1544 | |
| 1545 | if (!RRInit()) |
| 1546 | return FALSE; |
| 1547 | |
| 1548 | /* |
| 1549 | * Configure crtcs |
| 1550 | */ |
| 1551 | for (c = 0; c < config->num_crtc; c++) { |
| 1552 | xf86CrtcPtr crtc = config->crtc[c]; |
| 1553 | |
| 1554 | crtc->randr_crtc = RRCrtcCreate(pScreen, crtc); |
| 1555 | RRCrtcGammaSetSize(crtc->randr_crtc, 256); |
| 1556 | } |
| 1557 | /* |
| 1558 | * Configure outputs |
| 1559 | */ |
| 1560 | for (o = 0; o < config->num_output; o++) { |
| 1561 | xf86OutputPtr output = config->output[o]; |
| 1562 | |
| 1563 | output->randr_output = RROutputCreate(pScreen, output->name, |
| 1564 | strlen(output->name), output); |
| 1565 | |
| 1566 | if (output->funcs->create_resources != NULL) |
| 1567 | output->funcs->create_resources(output); |
| 1568 | RRPostPendingProperties(output->randr_output); |
| 1569 | } |
| 1570 | |
| 1571 | if (config->name) { |
| 1572 | config->randr_provider = RRProviderCreate(pScreen, config->name, |
| 1573 | strlen(config->name)); |
| 1574 | |
| 1575 | RRProviderSetCapabilities(config->randr_provider, pScrn->capabilities); |
| 1576 | } |
| 1577 | |
| 1578 | return TRUE; |
| 1579 | } |
| 1580 | |
| 1581 | static Bool |
| 1582 | xf86RandR12CreateScreenResources12(ScreenPtr pScreen) |
| 1583 | { |
| 1584 | int c; |
| 1585 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1586 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1587 | |
| 1588 | if (xf86RandR12Key == NULL) |
| 1589 | return TRUE; |
| 1590 | |
| 1591 | for (c = 0; c < config->num_crtc; c++) |
| 1592 | xf86RandR12CrtcNotify(config->crtc[c]->randr_crtc); |
| 1593 | |
| 1594 | RRScreenSetSizeRange(pScreen, config->minWidth, config->minHeight, |
| 1595 | config->maxWidth, config->maxHeight); |
| 1596 | return TRUE; |
| 1597 | } |
| 1598 | |
| 1599 | /* |
| 1600 | * Something happened within the screen configuration due |
| 1601 | * to DGA, VidMode or hot key. Tell RandR |
| 1602 | */ |
| 1603 | |
| 1604 | void |
| 1605 | xf86RandR12TellChanged(ScreenPtr pScreen) |
| 1606 | { |
| 1607 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1608 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1609 | int c; |
| 1610 | |
| 1611 | if (xf86RandR12Key == NULL) |
| 1612 | return; |
| 1613 | |
| 1614 | xf86RandR12SetInfo12(pScreen); |
| 1615 | for (c = 0; c < config->num_crtc; c++) |
| 1616 | xf86RandR12CrtcNotify(config->crtc[c]->randr_crtc); |
| 1617 | |
| 1618 | RRTellChanged(pScreen); |
| 1619 | } |
| 1620 | |
| 1621 | static void |
| 1622 | xf86RandR12PointerMoved(ScrnInfoPtr pScrn, int x, int y) |
| 1623 | { |
| 1624 | ScreenPtr pScreen = xf86ScrnToScreen(pScrn); |
| 1625 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1626 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 1627 | int c; |
| 1628 | |
| 1629 | randrp->pointerX = x; |
| 1630 | randrp->pointerY = y; |
| 1631 | for (c = 0; c < config->num_crtc; c++) |
| 1632 | xf86RandR13Pan(config->crtc[c], x, y); |
| 1633 | } |
| 1634 | |
| 1635 | static Bool |
| 1636 | xf86RandR13GetPanning(ScreenPtr pScreen, |
| 1637 | RRCrtcPtr randr_crtc, |
| 1638 | BoxPtr totalArea, BoxPtr trackingArea, INT16 *border) |
| 1639 | { |
| 1640 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1641 | |
| 1642 | if (crtc->version < 2) |
| 1643 | return FALSE; |
| 1644 | if (totalArea) |
| 1645 | memcpy(totalArea, &crtc->panningTotalArea, sizeof(BoxRec)); |
| 1646 | if (trackingArea) |
| 1647 | memcpy(trackingArea, &crtc->panningTrackingArea, sizeof(BoxRec)); |
| 1648 | if (border) |
| 1649 | memcpy(border, crtc->panningBorder, 4 * sizeof(INT16)); |
| 1650 | |
| 1651 | return TRUE; |
| 1652 | } |
| 1653 | |
| 1654 | static Bool |
| 1655 | xf86RandR13SetPanning(ScreenPtr pScreen, |
| 1656 | RRCrtcPtr randr_crtc, |
| 1657 | BoxPtr totalArea, BoxPtr trackingArea, INT16 *border) |
| 1658 | { |
| 1659 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 1660 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1661 | BoxRec oldTotalArea; |
| 1662 | BoxRec oldTrackingArea; |
| 1663 | INT16 oldBorder[4]; |
| 1664 | Bool oldPanning = randrp->panning; |
| 1665 | |
| 1666 | if (crtc->version < 2) |
| 1667 | return FALSE; |
| 1668 | |
| 1669 | memcpy(&oldTotalArea, &crtc->panningTotalArea, sizeof(BoxRec)); |
| 1670 | memcpy(&oldTrackingArea, &crtc->panningTrackingArea, sizeof(BoxRec)); |
| 1671 | memcpy(oldBorder, crtc->panningBorder, 4 * sizeof(INT16)); |
| 1672 | |
| 1673 | if (totalArea) |
| 1674 | memcpy(&crtc->panningTotalArea, totalArea, sizeof(BoxRec)); |
| 1675 | if (trackingArea) |
| 1676 | memcpy(&crtc->panningTrackingArea, trackingArea, sizeof(BoxRec)); |
| 1677 | if (border) |
| 1678 | memcpy(crtc->panningBorder, border, 4 * sizeof(INT16)); |
| 1679 | |
| 1680 | if (xf86RandR13VerifyPanningArea(crtc, pScreen->width, pScreen->height)) { |
| 1681 | xf86RandR13Pan(crtc, randrp->pointerX, randrp->pointerY); |
| 1682 | randrp->panning = PANNING_ENABLED (crtc); |
| 1683 | return TRUE; |
| 1684 | } |
| 1685 | else { |
| 1686 | /* Restore old settings */ |
| 1687 | memcpy(&crtc->panningTotalArea, &oldTotalArea, sizeof(BoxRec)); |
| 1688 | memcpy(&crtc->panningTrackingArea, &oldTrackingArea, sizeof(BoxRec)); |
| 1689 | memcpy(crtc->panningBorder, oldBorder, 4 * sizeof(INT16)); |
| 1690 | randrp->panning = oldPanning; |
| 1691 | return FALSE; |
| 1692 | } |
| 1693 | } |
| 1694 | |
| 1695 | /* |
| 1696 | * Compatibility with XF86VidMode's gamma changer. This necessarily clobbers |
| 1697 | * any per-crtc setup. You asked for it... |
| 1698 | */ |
| 1699 | |
| 1700 | static void |
| 1701 | gamma_to_ramp(float gamma, CARD16 *ramp, int size) |
| 1702 | { |
| 1703 | int i; |
| 1704 | |
| 1705 | for (i = 0; i < size; i++) { |
| 1706 | if (gamma == 1.0) |
| 1707 | ramp[i] = i | i << 8; |
| 1708 | else |
| 1709 | ramp[i] = |
| 1710 | (CARD16) (pow((double) i / (double) (size - 1), 1. / gamma) |
| 1711 | * (double) (size - 1) * 257); |
| 1712 | } |
| 1713 | } |
| 1714 | |
| 1715 | static int |
| 1716 | xf86RandR12ChangeGamma(ScrnInfoPtr pScrn, Gamma gamma) |
| 1717 | { |
| 1718 | CARD16 *points, *red, *green, *blue; |
| 1719 | RRCrtcPtr crtc = xf86CompatRRCrtc(pScrn); |
| 1720 | int size; |
| 1721 | |
| 1722 | if (!crtc) |
| 1723 | return Success; |
| 1724 | |
| 1725 | size = max(0, crtc->gammaSize); |
| 1726 | if (!size) |
| 1727 | return Success; |
| 1728 | |
| 1729 | points = calloc(size, 3 * sizeof(CARD16)); |
| 1730 | if (!points) |
| 1731 | return BadAlloc; |
| 1732 | |
| 1733 | red = points; |
| 1734 | green = points + size; |
| 1735 | blue = points + 2 * size; |
| 1736 | |
| 1737 | gamma_to_ramp(gamma.red, red, size); |
| 1738 | gamma_to_ramp(gamma.green, green, size); |
| 1739 | gamma_to_ramp(gamma.blue, blue, size); |
| 1740 | RRCrtcGammaSet(crtc, red, green, blue); |
| 1741 | |
| 1742 | free(points); |
| 1743 | |
| 1744 | pScrn->gamma = gamma; |
| 1745 | |
| 1746 | return Success; |
| 1747 | } |
| 1748 | |
| 1749 | static Bool |
| 1750 | xf86RandR12EnterVT(ScrnInfoPtr pScrn) |
| 1751 | { |
| 1752 | ScreenPtr pScreen = xf86ScrnToScreen(pScrn); |
| 1753 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 1754 | rrScrPrivPtr rp = rrGetScrPriv(pScreen); |
| 1755 | Bool ret; |
| 1756 | int i; |
| 1757 | |
| 1758 | if (randrp->orig_EnterVT) { |
| 1759 | pScrn->EnterVT = randrp->orig_EnterVT; |
| 1760 | ret = pScrn->EnterVT(pScrn); |
| 1761 | randrp->orig_EnterVT = pScrn->EnterVT; |
| 1762 | pScrn->EnterVT = xf86RandR12EnterVT; |
| 1763 | if (!ret) |
| 1764 | return FALSE; |
| 1765 | } |
| 1766 | |
| 1767 | /* reload gamma */ |
| 1768 | for (i = 0; i < rp->numCrtcs; i++) |
| 1769 | xf86RandR12CrtcSetGamma(pScreen, rp->crtcs[i]); |
| 1770 | |
| 1771 | return RRGetInfo(pScreen, TRUE); /* force a re-probe of outputs and notify clients about changes */ |
| 1772 | } |
| 1773 | |
| 1774 | static void |
| 1775 | xf86DetachOutputGPU(ScreenPtr pScreen) |
| 1776 | { |
| 1777 | rrScrPrivPtr rp = rrGetScrPriv(pScreen); |
| 1778 | int i; |
| 1779 | |
| 1780 | /* make sure there are no attached shared scanout pixmaps first */ |
| 1781 | for (i = 0; i < rp->numCrtcs; i++) |
| 1782 | RRCrtcDetachScanoutPixmap(rp->crtcs[i]); |
| 1783 | |
| 1784 | DetachOutputGPU(pScreen); |
| 1785 | } |
| 1786 | |
| 1787 | static Bool |
| 1788 | xf86RandR14ProviderSetOutputSource(ScreenPtr pScreen, |
| 1789 | RRProviderPtr provider, |
| 1790 | RRProviderPtr source_provider) |
| 1791 | { |
| 1792 | if (!source_provider) { |
| 1793 | if (provider->output_source) { |
| 1794 | ScreenPtr cmScreen = pScreen->current_master; |
| 1795 | |
| 1796 | xf86DetachOutputGPU(pScreen); |
| 1797 | AttachUnboundGPU(cmScreen, pScreen); |
| 1798 | } |
| 1799 | provider->output_source = NULL; |
| 1800 | return TRUE; |
| 1801 | } |
| 1802 | |
| 1803 | if (provider->output_source == source_provider) |
| 1804 | return TRUE; |
| 1805 | |
| 1806 | SetRootClip(source_provider->pScreen, FALSE); |
| 1807 | |
| 1808 | DetachUnboundGPU(pScreen); |
| 1809 | AttachOutputGPU(source_provider->pScreen, pScreen); |
| 1810 | |
| 1811 | provider->output_source = source_provider; |
| 1812 | SetRootClip(source_provider->pScreen, TRUE); |
| 1813 | return TRUE; |
| 1814 | } |
| 1815 | |
| 1816 | static Bool |
| 1817 | xf86RandR14ProviderSetOffloadSink(ScreenPtr pScreen, |
| 1818 | RRProviderPtr provider, |
| 1819 | RRProviderPtr sink_provider) |
| 1820 | { |
| 1821 | if (!sink_provider) { |
| 1822 | if (provider->offload_sink) { |
| 1823 | ScreenPtr cmScreen = pScreen->current_master; |
| 1824 | xf86DetachOutputGPU(pScreen); |
| 1825 | AttachUnboundGPU(cmScreen, pScreen); |
| 1826 | } |
| 1827 | |
| 1828 | provider->offload_sink = NULL; |
| 1829 | return TRUE; |
| 1830 | } |
| 1831 | |
| 1832 | if (provider->offload_sink == sink_provider) |
| 1833 | return TRUE; |
| 1834 | |
| 1835 | DetachUnboundGPU(pScreen); |
| 1836 | AttachOffloadGPU(sink_provider->pScreen, pScreen); |
| 1837 | |
| 1838 | provider->offload_sink = sink_provider; |
| 1839 | return TRUE; |
| 1840 | } |
| 1841 | |
| 1842 | static Bool |
| 1843 | xf86RandR14ProviderSetProperty(ScreenPtr pScreen, |
| 1844 | RRProviderPtr randr_provider, |
| 1845 | Atom property, RRPropertyValuePtr value) |
| 1846 | { |
| 1847 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1848 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1849 | |
| 1850 | /* If we don't have any property handler, then we don't care what the |
| 1851 | * user is setting properties to. |
| 1852 | */ |
| 1853 | if (config->provider_funcs->set_property == NULL) |
| 1854 | return TRUE; |
| 1855 | |
| 1856 | /* |
| 1857 | * This function gets called even when vtSema is FALSE, as |
| 1858 | * drivers will need to remember the correct value to apply |
| 1859 | * when the VT switch occurs |
| 1860 | */ |
| 1861 | return config->provider_funcs->set_property(pScrn, property, value); |
| 1862 | } |
| 1863 | |
| 1864 | static Bool |
| 1865 | xf86RandR14ProviderGetProperty(ScreenPtr pScreen, |
| 1866 | RRProviderPtr randr_provider, Atom property) |
| 1867 | { |
| 1868 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1869 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn); |
| 1870 | |
| 1871 | if (config->provider_funcs->get_property == NULL) |
| 1872 | return TRUE; |
| 1873 | |
| 1874 | /* Should be safe even w/o vtSema */ |
| 1875 | return config->provider_funcs->get_property(pScrn, property); |
| 1876 | } |
| 1877 | |
| 1878 | static Bool |
| 1879 | xf86CrtcSetScanoutPixmap(RRCrtcPtr randr_crtc, PixmapPtr pixmap) |
| 1880 | { |
| 1881 | xf86CrtcPtr crtc = randr_crtc->devPrivate; |
| 1882 | if (!crtc->funcs->set_scanout_pixmap) |
| 1883 | return FALSE; |
| 1884 | return crtc->funcs->set_scanout_pixmap(crtc, pixmap); |
| 1885 | } |
| 1886 | |
| 1887 | static void |
| 1888 | xf86RandR13ConstrainCursorHarder(DeviceIntPtr dev, ScreenPtr screen, int mode, int *x, int *y) |
| 1889 | { |
| 1890 | XF86RandRInfoPtr randrp = XF86RANDRINFO(screen); |
| 1891 | |
| 1892 | if (randrp->panning) |
| 1893 | return; |
| 1894 | |
| 1895 | if (randrp->orig_ConstrainCursorHarder) { |
| 1896 | screen->ConstrainCursorHarder = randrp->orig_ConstrainCursorHarder; |
| 1897 | screen->ConstrainCursorHarder(dev, screen, mode, x, y); |
| 1898 | screen->ConstrainCursorHarder = xf86RandR13ConstrainCursorHarder; |
| 1899 | } |
| 1900 | } |
| 1901 | |
| 1902 | static void |
| 1903 | xf86RandR14ProviderDestroy(ScreenPtr screen, RRProviderPtr provider) |
| 1904 | { |
| 1905 | ScrnInfoPtr scrn = xf86ScreenToScrn(screen); |
| 1906 | xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn); |
| 1907 | |
| 1908 | if (config->randr_provider == provider) { |
| 1909 | if (config->randr_provider->offload_sink) { |
| 1910 | DetachOffloadGPU(screen); |
| 1911 | config->randr_provider->offload_sink = NULL; |
| 1912 | RRSetChanged(screen); |
| 1913 | } |
| 1914 | else if (config->randr_provider->output_source) { |
| 1915 | xf86DetachOutputGPU(screen); |
| 1916 | config->randr_provider->output_source = NULL; |
| 1917 | RRSetChanged(screen); |
| 1918 | } |
| 1919 | else if (screen->current_master) |
| 1920 | DetachUnboundGPU(screen); |
| 1921 | } |
| 1922 | config->randr_provider = NULL; |
| 1923 | } |
| 1924 | |
| 1925 | static Bool |
| 1926 | xf86RandR12Init12(ScreenPtr pScreen) |
| 1927 | { |
| 1928 | ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); |
| 1929 | rrScrPrivPtr rp = rrGetScrPriv(pScreen); |
| 1930 | XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); |
| 1931 | int i; |
| 1932 | |
| 1933 | rp->rrGetInfo = xf86RandR12GetInfo12; |
| 1934 | rp->rrScreenSetSize = xf86RandR12ScreenSetSize; |
| 1935 | rp->rrCrtcSet = xf86RandR12CrtcSet; |
| 1936 | rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma; |
| 1937 | rp->rrCrtcGetGamma = xf86RandR12CrtcGetGamma; |
| 1938 | rp->rrOutputSetProperty = xf86RandR12OutputSetProperty; |
| 1939 | rp->rrOutputValidateMode = xf86RandR12OutputValidateMode; |
| 1940 | #if RANDR_13_INTERFACE |
| 1941 | rp->rrOutputGetProperty = xf86RandR13OutputGetProperty; |
| 1942 | rp->rrGetPanning = xf86RandR13GetPanning; |
| 1943 | rp->rrSetPanning = xf86RandR13SetPanning; |
| 1944 | #endif |
| 1945 | rp->rrModeDestroy = xf86RandR12ModeDestroy; |
| 1946 | rp->rrSetConfig = NULL; |
| 1947 | |
| 1948 | rp->rrProviderSetOutputSource = xf86RandR14ProviderSetOutputSource; |
| 1949 | rp->rrProviderSetOffloadSink = xf86RandR14ProviderSetOffloadSink; |
| 1950 | |
| 1951 | rp->rrProviderSetProperty = xf86RandR14ProviderSetProperty; |
| 1952 | rp->rrProviderGetProperty = xf86RandR14ProviderGetProperty; |
| 1953 | rp->rrCrtcSetScanoutPixmap = xf86CrtcSetScanoutPixmap; |
| 1954 | rp->rrProviderDestroy = xf86RandR14ProviderDestroy; |
| 1955 | |
| 1956 | pScrn->PointerMoved = xf86RandR12PointerMoved; |
| 1957 | pScrn->ChangeGamma = xf86RandR12ChangeGamma; |
| 1958 | |
| 1959 | randrp->orig_EnterVT = pScrn->EnterVT; |
| 1960 | pScrn->EnterVT = xf86RandR12EnterVT; |
| 1961 | |
| 1962 | randrp->panning = FALSE; |
| 1963 | randrp->orig_ConstrainCursorHarder = pScreen->ConstrainCursorHarder; |
| 1964 | pScreen->ConstrainCursorHarder = xf86RandR13ConstrainCursorHarder; |
| 1965 | |
| 1966 | if (!xf86RandR12CreateObjects12(pScreen)) |
| 1967 | return FALSE; |
| 1968 | |
| 1969 | /* |
| 1970 | * Configure output modes |
| 1971 | */ |
| 1972 | if (!xf86RandR12SetInfo12(pScreen)) |
| 1973 | return FALSE; |
| 1974 | for (i = 0; i < rp->numCrtcs; i++) { |
| 1975 | xf86RandR12CrtcGetGamma(pScreen, rp->crtcs[i]); |
| 1976 | } |
| 1977 | return TRUE; |
| 1978 | } |
| 1979 | |
| 1980 | #endif |
| 1981 | |
| 1982 | Bool |
| 1983 | xf86RandR12PreInit(ScrnInfoPtr pScrn) |
| 1984 | { |
| 1985 | return TRUE; |
| 1986 | } |