libvo/vo_dga.c

   1 /*
   2  * X11 DGA Interface
   3  *
   4  * Copyright (C) 2001 Andreas Ackermann <acki@acki-netz.de>
   5  * Sourceforge username: acki2
   6  *
   7  * This file is part of MPlayer.
   8  *
   9  * MPlayer is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * MPlayer is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <errno.h>
  28
  29 #include "config.h"
  30 #include "video_out.h"
  31 #include "video_out_internal.h"
  32 #include "aspect.h"
  33 #include "x11_common.h"
  34 #include "fastmemcpy.h"
  35 #include "mp_msg.h"
  36
  37 #include <X11/Xlib.h>
  38 #include <X11/extensions/xf86dga.h>
  39
  40 #ifdef CONFIG_XF86VM
  41 #include <X11/extensions/xf86vmode.h>
  42 #endif
  43
  44 static const vo_info_t info = {
  45 #ifdef CONFIG_DGA2
  46     "DGA ( Direct Graphic Access V2.0 )",
  47 #else
  48 #ifdef CONFIG_XF86VM
  49     "DGA ( Direct Graphic Access V1.0+XF86VidModeExt. )",
  50 #else
  51     "DGA ( Direct Graphic Access V1.0 )",
  52 #endif
  53 #endif
  54     "dga",
  55     "Andreas Ackermann <acki@acki-netz.de>",
  56     ""
  57 };
  58
  59 const LIBVO_EXTERN(dga)
  60 //------------------------------------------------------------------
  61 //#define BITSPP (vo_dga_modes[vo_dga_active_mode].vdm_bitspp)
  62 //#define BYTESPP (vo_dga_modes[vo_dga_active_mode].vdm_bytespp)
  63 #define VO_DGA_INVALID_RES 100000
  64 #define HW_MODE (vo_dga_modes[vo_dga_hw_mode])
  65 #define SRC_MODE (vo_dga_modes[vo_dga_src_mode])
  66 struct vd_modes
  67 {
  68     int vdm_mplayer_depth;
  69     int vdm_supported;
  70     int vdm_depth;
  71     int vdm_bitspp;
  72     int vdm_bytespp;
  73     int vdm_rmask;
  74     int vdm_gmask;
  75     int vdm_bmask;
  76     int vdm_hw_mode;
  77 };
  78
  79 //------------------------------------------------------------------
  80
  81 static struct vd_modes vo_dga_modes[] = {
  82     // these entries describe HW modes
  83     // however, we use the same entries to tell mplayer what we support
  84     // so the last two values describe, which HW mode to use and which conversion
  85     // function to use for a mode that is not supported by HW
  86
  87     {0, 0, 0, 0, 0, 0, 0, 0, 0,},
  88     {15, 0, 15, 16, 2, 0x7c00, 0x03e0, 0x001f, 2,},
  89     {16, 0, 16, 16, 2, 0xf800, 0x07e0, 0x001f, 2,},
  90     {24, 0, 24, 24, 3, 0xff0000, 0x00ff00, 0x0000ff, 4},
  91     {32, 0, 24, 32, 4, 0x00ff0000, 0x0000ff00, 0x000000ff, 4}
  92 };
  93
  94 static int vo_dga_mode_num =
  95     sizeof(vo_dga_modes) / sizeof(struct vd_modes);
  96
  97 // enable a HW mode (by description)
  98 static int vd_EnableMode(int depth, int bitspp,
  99                          int rmask, int gmask, int bmask)
 100 {
 101     int i;
 102
 103     for (i = 1; i < vo_dga_mode_num; i++)
 104     {
 105         if (vo_dga_modes[i].vdm_depth == depth &&
 106             vo_dga_modes[i].vdm_bitspp == bitspp &&
 107             vo_dga_modes[i].vdm_rmask == rmask &&
 108             vo_dga_modes[i].vdm_gmask == gmask &&
 109             vo_dga_modes[i].vdm_bmask == bmask)
 110         {
 111             vo_dga_modes[i].vdm_supported = 1;
 112             vo_dga_modes[i].vdm_hw_mode = i;
 113             return i;
 114         }
 115     }
 116     return 0;
 117 }
 118
 119 static int vd_ModeEqual(int depth, int bitspp,
 120                         int rmask, int gmask, int bmask, int index)
 121 {
 122     return  (vo_dga_modes[index].vdm_depth == depth &&
 123              vo_dga_modes[index].vdm_bitspp == bitspp &&
 124              vo_dga_modes[index].vdm_rmask == rmask &&
 125              vo_dga_modes[index].vdm_gmask == gmask &&
 126              vo_dga_modes[index].vdm_bmask == bmask) ? 1 : 0;
 127 }
 128
 129
 130 // enable a HW mode (mplayer_depth decides which)
 131 static int vd_ValidateMode(int mplayer_depth)
 132 {
 133     int i;
 134
 135     if (mplayer_depth == 0)
 136         return 0;
 137     for (i = 1; i < vo_dga_mode_num; i++)
 138     {
 139         if (vo_dga_modes[i].vdm_mplayer_depth == mplayer_depth)
 140         {
 141             vo_dga_modes[i].vdm_supported = 1;
 142             vo_dga_modes[i].vdm_hw_mode = i;
 143             return i;
 144         }
 145     }
 146     return 0;
 147 }
 148
 149 // do we support this mode? (not important whether native or conversion)
 150 static int vd_ModeValid(int mplayer_depth)
 151 {
 152     int i;
 153
 154     if (mplayer_depth == 0)
 155         return 0;
 156     for (i = 1; i < vo_dga_mode_num; i++)
 157     {
 158         if (vo_dga_modes[i].vdm_mplayer_depth == mplayer_depth &&
 159             vo_dga_modes[i].vdm_supported != 0)
 160         {
 161             return i;
 162         }
 163     }
 164     return 0;
 165 }
 166
 167 static char *vd_GetModeString(int index)
 168 {
 169
 170 #define VO_DGA_MAX_STRING_LEN 100
 171     static char stringbuf[VO_DGA_MAX_STRING_LEN];
 172
 173     stringbuf[VO_DGA_MAX_STRING_LEN - 1] = 0;
 174     snprintf(stringbuf, VO_DGA_MAX_STRING_LEN - 2,
 175              "depth=%d, bpp=%d, r=%06x, g=%06x, b=%06x, %s (-bpp %d)",
 176              vo_dga_modes[index].vdm_depth,
 177              vo_dga_modes[index].vdm_bitspp,
 178              vo_dga_modes[index].vdm_rmask,
 179              vo_dga_modes[index].vdm_gmask,
 180              vo_dga_modes[index].vdm_bmask,
 181              vo_dga_modes[index].
 182              vdm_supported ? "native" : "not supported",
 183              vo_dga_modes[index].vdm_mplayer_depth);
 184     return stringbuf;
 185 }
 186
 187 //-----------------------------------------------------------------
 188
 189 #if defined(CONFIG_XF86VM) && !defined(CONFIG_DGA2)
 190 static XF86VidModeModeInfo **vo_dga_vidmodes = NULL;
 191 #endif
 192
 193
 194 static int vo_dga_src_format;
 195 static int vo_dga_width;        // bytes per line in framebuffer
 196 static int vo_dga_vp_width;     // visible pixels per line in
 197
 198                                          // framebuffer
 199 static int vo_dga_vp_height;    // visible lines in framebuffer
 200 static int vo_dga_is_running = 0;
 201 static int vo_dga_src_width;    // width of video in pixels
 202 static int vo_dga_src_height;   // height of video in pixels
 203 static int vo_dga_src_offset = 0;       // offset in src
 204 static int vo_dga_vp_offset = 0;        // offset in dest
 205 static int vo_dga_bytes_per_line;       // bytes per line to copy
 206 static int vo_dga_vp_skip;      // dto. for dest
 207 static int vo_dga_lines;        // num of lines to copy
 208 static int vo_dga_hw_mode = 0;  // index in mode list that is actually
 209
 210                                          // used by framebuffer
 211 static int vo_dga_src_mode = 0; // index in mode list that is used by
 212
 213                                          // codec
 214 static int vo_dga_XServer_mode = 0;     // index in mode list for resolution
 215
 216 #ifdef CONFIG_DGA2
 217 static XDGAMode *vo_modelines;
 218 static int vo_modecount;
 219 #endif
 220
 221 #define MAX_NR_VIDEO_BUFFERS 3
 222
 223 #define CURRENT_VIDEO_BUFFER \
 224         (vo_dga_video_buffer[vo_dga_current_video_buffer])
 225
 226 static int vo_dga_nr_video_buffers;     // Total number of frame buffers.
 227 static int vo_dga_current_video_buffer; // Buffer available for rendering.
 228
 229 static struct video_buffer
 230 {
 231     int y;
 232     uint8_t *data;
 233 } vo_dga_video_buffer[MAX_NR_VIDEO_BUFFERS];
 234
 235 /* saved src and dst dimensions for SwScaler */
 236 static unsigned int scale_srcW = 0,
 237     scale_dstW = 0, scale_srcH = 0, scale_dstH = 0;
 238
 239 //---------------------------------------------------------
 240
 241 static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
 242                        unsigned char *srca, int stride)
 243 {
 244
 245     char *d;
 246     unsigned int offset;
 247     int buffer_stride;
 248
 249     offset = vo_dga_width * y0 + x0;
 250     buffer_stride = vo_dga_width;
 251     d = CURRENT_VIDEO_BUFFER.data + vo_dga_vp_offset;
 252
 253     switch (HW_MODE.vdm_mplayer_depth)
 254     {
 255
 256         case 32:
 257             vo_draw_alpha_rgb32(w, h, src, srca, stride, d + 4 * offset,
 258                                 4 * buffer_stride);
 259             break;
 260         case 24:
 261             vo_draw_alpha_rgb24(w, h, src, srca, stride, d + 3 * offset,
 262                                 3 * buffer_stride);
 263             break;
 264         case 15:
 265             vo_draw_alpha_rgb15(w, h, src, srca, stride, d + 2 * offset,
 266                                 2 * buffer_stride);
 267             break;
 268         case 16:
 269             vo_draw_alpha_rgb16(w, h, src, srca, stride, d + 2 * offset,
 270                                 2 * buffer_stride);
 271             break;
 272     }
 273 }
 274
 275
 276 //---------------------------------------------------------
 277
 278
 279
 280
 281 // quick & dirty - for debugging only
 282 #if 0
 283 static void fillblock(char *strt, int yoff, int lines, int val)
 284 {
 285     char *i;
 286
 287     for (i = strt + yoff * vo_dga_width * HW_MODE.vdm_bytespp;
 288          i < strt + (lines + yoff) * vo_dga_width * HW_MODE.vdm_bytespp;)
 289     {
 290         *i++ = val;
 291     }
 292 }
 293 #endif
 294
 295 //---------------------------------------------------------
 296
 297 static int draw_frame(uint8_t * src[])
 298 {
 299
 300     int numlines = vo_dga_lines;
 301
 302     char *s, *d;
 303
 304     s = *src;
 305     d = CURRENT_VIDEO_BUFFER.data + vo_dga_vp_offset;
 306
 307     mem2agpcpy_pic(d, s,
 308                    vo_dga_bytes_per_line,
 309                    numlines,
 310                    vo_dga_bytes_per_line + vo_dga_vp_skip,
 311                    vo_dga_bytes_per_line);
 312
 313     // DBG-COde
 314
 315 #if 0
 316     d = CURRENT_VIDEO_BUFFER.data + vo_dga_vp_offset;
 317     fillblock(d, 0, 10, 0x800000ff);
 318     fillblock(d, 10, 10, 0x8000ff00);
 319     fillblock(d, 20, 10, 0x80ff0000);
 320     fillblock(d, 30, 10, 0xff0000ff);
 321     fillblock(d, 40, 10, 0x800000ff);
 322     fillblock(d, 50, 10, 0x0f0000ff);
 323 #endif
 324     return 0;
 325 }
 326
 327 //---------------------------------------------------------
 328
 329 static void check_events(void)
 330 {
 331     vo_x11_check_events(mDisplay);
 332 }
 333
 334 //---------------------------------------------------------
 335
 336 #include "sub.h"
 337
 338 static void draw_osd(void)
 339 {
 340     vo_draw_text(vo_dga_src_width, vo_dga_src_height, draw_alpha);
 341 }
 342
 343 static void switch_video_buffers(void)
 344 {
 345     vo_dga_current_video_buffer =
 346         (vo_dga_current_video_buffer + 1) % vo_dga_nr_video_buffers;
 347 }
 348
 349 static void flip_page(void)
 350 {
 351     if (1 < vo_dga_nr_video_buffers)
 352     {
 353 #ifdef CONFIG_DGA2
 354         XDGASetViewport(mDisplay, mScreen,
 355                         0, CURRENT_VIDEO_BUFFER.y, XDGAFlipRetrace);
 356 #else
 357         XF86DGASetViewPort(mDisplay, mScreen, 0, CURRENT_VIDEO_BUFFER.y);
 358 #endif
 359         switch_video_buffers();
 360     }
 361 }
 362
 363 //---------------------------------------------------------
 364
 365 static int draw_slice(uint8_t * src[], int stride[],
 366                            int w, int h, int x, int y)
 367 {
 368     return 0;
 369 };
 370
 371 //---------------------------------------------------------
 372
 373 static int query_format(uint32_t format)
 374 {
 375
 376     if ((format & IMGFMT_BGR_MASK) == IMGFMT_BGR &&
 377         vd_ModeValid(format & 0xff))
 378     {
 379         return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD;
 380     }
 381
 382     return 0;
 383 }
 384
 385 //---------------------------------------------------------
 386
 387 static void uninit(void)
 388 {
 389
 390 #ifdef CONFIG_DGA2
 391     XDGADevice *dgadevice;
 392 #endif
 393
 394     if (!vo_config_count)
 395         return;
 396
 397     if (vo_dga_is_running)
 398     {
 399         vo_dga_is_running = 0;
 400         mp_msg(MSGT_VO, MSGL_V, "vo_dga: in uninit\n");
 401         if (vo_grabpointer)
 402             XUngrabPointer(mDisplay, CurrentTime);
 403         XUngrabKeyboard(mDisplay, CurrentTime);
 404 #ifdef CONFIG_DGA2
 405         XDGACloseFramebuffer(mDisplay, mScreen);
 406         dgadevice = XDGASetMode(mDisplay, mScreen, 0);
 407         if (dgadevice != NULL)
 408         {
 409             XFree(dgadevice);
 410         }
 411 #else
 412         XF86DGADirectVideo(mDisplay, mScreen, 0);
 413         // first disable DirectVideo and then switch mode back!
 414 #ifdef CONFIG_XF86VM
 415         if (vo_dga_vidmodes != NULL)
 416         {
 417             int screen;
 418
 419             screen = XDefaultScreen(mDisplay);
 420             mp_msg(MSGT_VO, MSGL_V,
 421                    "vo_dga: VidModeExt: Switching back..\n");
 422             // seems some graphics adaptors need this more than once ...
 423             XF86VidModeSwitchToMode(mDisplay, screen, vo_dga_vidmodes[0]);
 424             XF86VidModeSwitchToMode(mDisplay, screen, vo_dga_vidmodes[0]);
 425             XF86VidModeSwitchToMode(mDisplay, screen, vo_dga_vidmodes[0]);
 426             XF86VidModeSwitchToMode(mDisplay, screen, vo_dga_vidmodes[0]);
 427             XFree(vo_dga_vidmodes);
 428         }
 429 #endif
 430 #endif
 431     }
 432     vo_x11_uninit();
 433 }
 434
 435
 436 //----------------------------------------------------------
 437 // TODO: check for larger maxy value
 438 // (useful for double buffering!!!)
 439
 440 static int check_res(int num, int x, int y, int bpp,
 441                      int new_x, int new_y, int new_vbi, int new_maxy,
 442                      int *old_x, int *old_y, int *old_vbi, int *old_maxy)
 443 {
 444
 445     mp_msg(MSGT_VO, MSGL_V,
 446            "vo_dga: (%3d) Trying %4d x %4d @ %3d Hz @ depth %2d ..", num,
 447            new_x, new_y, new_vbi, bpp);
 448     mp_msg(MSGT_VO, MSGL_V, "(old: %dx%d@%d).", *old_x, *old_y, *old_vbi);
 449     if ((new_x >= x) && (new_y >= y) && (
 450                                             // prefer a better resolution either in X or in Y
 451                                             // as long as the other dimension is at least the same
 452                                             //
 453                                             // hmm ... MAYBE it would be more clever to focus on the
 454                                             // x-resolution; I had 712x400 and 640x480 and the movie
 455                                             // was 640x360; 640x480 would be the 'right thing' here
 456                                             // but since 712x400 was queried first I got this one.
 457                                             // I think there should be a cmd-line switch to let the
 458                                             // user choose the mode he likes ...   (acki2)
 459                                             (((new_x < *old_x) &&
 460                                               !(new_y > *old_y)) ||
 461                                              ((new_y < *old_y) &&
 462                                               !(new_x > *old_x)))
 463                                             // but if we get an identical resolution choose
 464                                             // the one with the lower refreshrate (saves bandwidth !!!)
 465                                             // as long as it's above 50 Hz (acki2 on 30/3/2001)
 466                                             ||
 467                                             (((new_x == *old_x) &&
 468                                               (new_y == *old_y) &&
 469                                               ((new_vbi >= *old_vbi
 470                                                 && *old_vbi < 50)
 471                                                || (*old_vbi >= 50
 472                                                    && new_vbi < *old_vbi
 473                                                    && new_vbi >= 50))) ||
 474                                              // if everything is equal, then use the mode with the lower
 475                                              // stride
 476                                              ((new_x == *old_x) &&
 477                                               (new_y == *old_y) &&
 478                                               (new_vbi == *old_vbi) &&
 479                                               (new_maxy > *old_maxy)))))
 480     {
 481         *old_x = new_x;
 482         *old_y = new_y;
 483         *old_maxy = new_maxy;
 484         *old_vbi = new_vbi;
 485         mp_msg(MSGT_VO, MSGL_V, ".ok!!\n");
 486         return 1;
 487     } else
 488     {
 489         mp_msg(MSGT_VO, MSGL_V, ".no\n");
 490         return 0;
 491     }
 492 }
 493
 494
 495
 496 //---------------------------------------------------------
 497
 498 static void init_video_buffers(uint8_t * buffer_base,
 499                                int view_port_height,
 500                                int bytes_per_scanline,
 501                                int max_view_port_y,
 502                                int use_multiple_buffers)
 503 {
 504     int bytes_per_buffer = view_port_height * bytes_per_scanline;
 505     int i;
 506
 507     if (use_multiple_buffers)
 508         vo_dga_nr_video_buffers = max_view_port_y / view_port_height;
 509     else
 510         vo_dga_nr_video_buffers = 1;
 511
 512     if (vo_dga_nr_video_buffers > MAX_NR_VIDEO_BUFFERS)
 513         vo_dga_nr_video_buffers = MAX_NR_VIDEO_BUFFERS;
 514     if (vo_dga_nr_video_buffers <= 0)
 515         vo_dga_nr_video_buffers = 1;
 516
 517     vo_dga_current_video_buffer = 0;
 518
 519     for (i = 0; i < vo_dga_nr_video_buffers; i++)
 520     {
 521         vo_dga_video_buffer[i].y = i * view_port_height;
 522         vo_dga_video_buffer[i].data = buffer_base + i * bytes_per_buffer;
 523
 524         // Clear video buffer.
 525         memset(vo_dga_video_buffer[i].data, 0, bytes_per_buffer);
 526     }
 527 }
 528
 529 static int config(uint32_t width, uint32_t height,
 530                        uint32_t d_width, uint32_t d_height,
 531                        uint32_t flags, char *title, uint32_t format)
 532 {
 533
 534     int x_off, y_off;
 535     int wanted_width, wanted_height;
 536
 537     static unsigned char *vo_dga_base;
 538     static int prev_width, prev_height;
 539
 540 #ifdef CONFIG_DGA2
 541     // needed to change DGA video mode
 542     int mX = VO_DGA_INVALID_RES, mY = VO_DGA_INVALID_RES, mVBI =
 543         100000, mMaxY = 0, i, j = 0;
 544     int dga_modenum;
 545     XDGAMode *modeline;
 546     XDGADevice *dgadevice;
 547 #else
 548 #ifdef CONFIG_XF86VM
 549     unsigned int vm_event, vm_error;
 550     unsigned int vm_ver, vm_rev;
 551     int i, j = 0, have_vm = 0;
 552     int mX = VO_DGA_INVALID_RES, mY = VO_DGA_INVALID_RES, mVBI =
 553         100000, mMaxY = 0, dga_modenum;
 554 #endif
 555     int bank, ram;
 556 #endif
 557
 558     vo_dga_src_format = format;
 559
 560     wanted_width = d_width;
 561     wanted_height = d_height;
 562
 563     if (!wanted_height)
 564         wanted_height = height;
 565     if (!wanted_width)
 566         wanted_width = width;
 567
 568     if (!vo_dbpp)
 569     {
 570         if ((format & IMGFMT_BGR_MASK) == IMGFMT_BGR)
 571         {
 572             vo_dga_src_mode = vd_ModeValid(format & 0xff);
 573         }
 574     } else
 575     {
 576         vo_dga_src_mode = vd_ModeValid(vo_dbpp);
 577     }
 578     vo_dga_hw_mode = SRC_MODE.vdm_hw_mode;
 579
 580     if (!vo_dga_src_mode)
 581     {
 582         mp_msg(MSGT_VO, MSGL_ERR, "vo_dga: unsupported video format!\n");
 583         return 1;
 584     }
 585
 586     vo_dga_vp_width = vo_screenwidth;
 587     vo_dga_vp_height = vo_screenheight;
 588
 589     mp_msg(MSGT_VO, MSGL_V, "vo_dga: XServer res: %dx%d\n",
 590            vo_dga_vp_width, vo_dga_vp_height);
 591
 592 // choose a suitable mode ...
 593
 594 #ifdef CONFIG_DGA2
 595 // Code to change the video mode added by Michael Graffam
 596 // mgraffam@idsi.net
 597
 598     mp_msg(MSGT_VO, MSGL_V, "vo_dga: vo_modelines=%p, vo_modecount=%d\n",
 599            vo_modelines, vo_modecount);
 600
 601     if (vo_modelines == NULL)
 602     {
 603         mp_msg(MSGT_VO, MSGL_ERR, "vo_dga: can't get modelines\n");
 604         return 1;
 605     }
 606
 607     mp_msg(MSGT_VO, MSGL_INFO,
 608            "vo_dga: DGA 2.0 available :-) Can switch resolution AND depth!\n");
 609     for (i = 0; i < vo_modecount; i++)
 610     {
 611         if (vd_ModeEqual(vo_modelines[i].depth,
 612                          vo_modelines[i].bitsPerPixel,
 613                          vo_modelines[i].redMask,
 614                          vo_modelines[i].greenMask,
 615                          vo_modelines[i].blueMask, vo_dga_hw_mode))
 616         {
 617
 618             mp_msg(MSGT_VO, MSGL_V, "maxy: %4d, depth: %2d, %4dx%4d, ",
 619                    vo_modelines[i].maxViewportY, vo_modelines[i].depth,
 620                    vo_modelines[i].imageWidth,
 621                    vo_modelines[i].imageHeight);
 622             if (check_res
 623                 (i, wanted_width, wanted_height, vo_modelines[i].depth,
 624                  vo_modelines[i].viewportWidth,
 625                  vo_modelines[i].viewportHeight,
 626                  (unsigned) vo_modelines[i].verticalRefresh,
 627                  vo_modelines[i].maxViewportY, &mX, &mY, &mVBI, &mMaxY))
 628                 j = i;
 629         }
 630     }
 631     mp_msg(MSGT_VO, MSGL_INFO,
 632            "vo_dga: Selected hardware mode %4d x %4d @ %3d Hz @ depth %2d, bitspp %2d.\n",
 633            mX, mY, mVBI, HW_MODE.vdm_depth, HW_MODE.vdm_bitspp);
 634     mp_msg(MSGT_VO, MSGL_INFO,
 635            "vo_dga: Video parameters by codec: %3d x %3d, depth %2d, bitspp %2d.\n",
 636            width, height, SRC_MODE.vdm_depth, SRC_MODE.vdm_bitspp);
 637     vo_dga_vp_width = mX;
 638     vo_dga_vp_height = mY;
 639
 640     if ((flags & VOFLAG_SWSCALE) || (flags & VOFLAG_FULLSCREEN))
 641     {                           /* -zoom or -fs */
 642         scale_dstW = (d_width + 7) & ~7;
 643         scale_dstH = d_height;
 644         scale_srcW = width;
 645         scale_srcH = height;
 646         aspect_save_screenres(mX, mY);
 647         aspect_save_orig(scale_srcW, scale_srcH);
 648         aspect_save_prescale(scale_dstW, scale_dstH);
 649         if (flags & VOFLAG_FULLSCREEN)       /* -fs */
 650             aspect(&scale_dstW, &scale_dstH, A_ZOOM);
 651         else if (flags & VOFLAG_SWSCALE)  /* -fs */
 652             aspect(&scale_dstW, &scale_dstH, A_NOZOOM);
 653         mp_msg(MSGT_VO, MSGL_INFO,
 654                "vo_dga: Aspect corrected size for SwScaler: %4d x %4d.\n",
 655                scale_dstW, scale_dstH);
 656         /* XXX this is a hack, but I'm lazy ;-) :: atmos */
 657         width = scale_dstW;
 658         height = scale_dstH;
 659     }
 660
 661     vo_dga_width = vo_modelines[j].bytesPerScanline / HW_MODE.vdm_bytespp;
 662     dga_modenum = vo_modelines[j].num;
 663     modeline = vo_modelines + j;
 664
 665 #else
 666
 667 #ifdef CONFIG_XF86VM
 668
 669     mp_msg(MSGT_VO, MSGL_INFO,
 670            "vo_dga: DGA 1.0 compatibility code: Using XF86VidMode for mode switching!\n");
 671
 672     if (XF86VidModeQueryExtension(mDisplay, &vm_event, &vm_error))
 673     {
 674         XF86VidModeQueryVersion(mDisplay, &vm_ver, &vm_rev);
 675         mp_msg(MSGT_VO, MSGL_INFO,
 676                "vo_dga: XF86VidMode Extension v%i.%i\n", vm_ver, vm_rev);
 677         have_vm = 1;
 678     } else
 679     {
 680         mp_msg(MSGT_VO, MSGL_ERR,
 681                "vo_dga: XF86VidMode Extension not available.\n");
 682     }
 683
 684 #define GET_VREFRESH(dotclk, x, y)( (((dotclk)/(x))*1000)/(y) )
 685
 686     if (have_vm)
 687     {
 688         int modecount;
 689
 690         XF86VidModeGetAllModeLines(mDisplay, mScreen, &modecount,
 691                                    &vo_dga_vidmodes);
 692
 693         if (vo_dga_vidmodes != NULL)
 694         {
 695             for (i = 0; i < modecount; i++)
 696             {
 697                 if (check_res(i, wanted_width, wanted_height,
 698                               vo_dga_modes[vo_dga_hw_mode].vdm_depth,
 699                               vo_dga_vidmodes[i]->hdisplay,
 700                               vo_dga_vidmodes[i]->vdisplay,
 701                               GET_VREFRESH(vo_dga_vidmodes[i]->dotclock,
 702                                            vo_dga_vidmodes[i]->htotal,
 703                                            vo_dga_vidmodes[i]->vtotal),
 704                               0, &mX, &mY, &mVBI, &mMaxY))
 705                     j = i;
 706             }
 707
 708             mp_msg(MSGT_VO, MSGL_INFO,
 709                    "vo_dga: Selected video mode %4d x %4d @ %3d Hz @ depth %2d, bitspp %2d, video %3d x %3d.\n",
 710                    mX, mY, mVBI,
 711                    vo_dga_modes[vo_dga_hw_mode].vdm_depth,
 712                    vo_dga_modes[vo_dga_hw_mode].vdm_bitspp, width, height);
 713         } else
 714         {
 715             mp_msg(MSGT_VO, MSGL_INFO,
 716                    "vo_dga: XF86VidMode returned no screens - using current resolution.\n");
 717         }
 718         dga_modenum = j;
 719         vo_dga_vp_width = mX;
 720         vo_dga_vp_height = mY;
 721     }
 722
 723 #else
 724     mp_msg(MSGT_VO, MSGL_INFO,
 725            "vo_dga: Only have DGA 1.0 extension and no XF86VidMode :-(\n");
 726     mp_msg(MSGT_VO, MSGL_INFO,
 727            "        Thus, resolution switching is NOT possible.\n");
 728
 729 #endif
 730 #endif
 731
 732     vo_dga_src_width = width;
 733     vo_dga_src_height = height;
 734
 735     if (vo_dga_src_width > vo_dga_vp_width ||
 736         vo_dga_src_height > vo_dga_vp_height)
 737     {
 738         mp_msg(MSGT_VO, MSGL_ERR,
 739                "vo_dga: Sorry, video larger than viewport is not yet supported!\n");
 740         // ugly, do something nicer in the future ...
 741 #ifndef CONFIG_DGA2
 742 #ifdef CONFIG_XF86VM
 743         if (vo_dga_vidmodes)
 744         {
 745             XFree(vo_dga_vidmodes);
 746             vo_dga_vidmodes = NULL;
 747         }
 748 #endif
 749 #endif
 750         return 1;
 751     }
 752
 753     if (vo_dga_vp_width == VO_DGA_INVALID_RES)
 754     {
 755         mp_msg(MSGT_VO, MSGL_ERR,
 756                "vo_dga: Something is wrong with your DGA. There doesn't seem to be a\n"
 757                "         single suitable mode!\n"
 758                "         Please file a bug report (see DOCS/HTML/en/bugreports.html)\n");
 759 #ifndef CONFIG_DGA2
 760 #ifdef CONFIG_XF86VM
 761         if (vo_dga_vidmodes)
 762         {
 763             XFree(vo_dga_vidmodes);
 764             vo_dga_vidmodes = NULL;
 765         }
 766 #endif
 767 #endif
 768         return 1;
 769     }
 770 // now let's start the DGA thing
 771
 772     if (!vo_config_count || width != prev_width || height != prev_height)
 773     {
 774 #ifdef CONFIG_DGA2
 775
 776         if (!XDGAOpenFramebuffer(mDisplay, mScreen))
 777         {
 778             mp_msg(MSGT_VO, MSGL_ERR,
 779                    "vo_dga: Framebuffer mapping failed!!!\n");
 780             return 1;
 781         }
 782
 783         dgadevice = XDGASetMode(mDisplay, mScreen, dga_modenum);
 784         XDGASync(mDisplay, mScreen);
 785
 786         vo_dga_base = dgadevice->data;
 787         XFree(dgadevice);
 788
 789         XDGASetViewport(mDisplay, mScreen, 0, 0, XDGAFlipRetrace);
 790
 791 #else
 792
 793 #ifdef CONFIG_XF86VM
 794         if (have_vm)
 795         {
 796             XF86VidModeLockModeSwitch(mDisplay, mScreen, 0);
 797             // Two calls are needed to switch modes on my ATI Rage 128. Why?
 798             // for riva128 one call is enough!
 799             XF86VidModeSwitchToMode(mDisplay, mScreen,
 800                                     vo_dga_vidmodes[dga_modenum]);
 801             XF86VidModeSwitchToMode(mDisplay, mScreen,
 802                                     vo_dga_vidmodes[dga_modenum]);
 803         }
 804 #endif
 805
 806         XF86DGAGetViewPortSize(mDisplay, mScreen,
 807                                &vo_dga_vp_width, &vo_dga_vp_height);
 808
 809         XF86DGAGetVideo(mDisplay, mScreen,
 810                         (char **) &vo_dga_base, &vo_dga_width, &bank,
 811                         &ram);
 812
 813         XF86DGADirectVideo(mDisplay, mScreen,
 814                            XF86DGADirectGraphics | XF86DGADirectMouse |
 815                            XF86DGADirectKeyb);
 816
 817         XF86DGASetViewPort(mDisplay, mScreen, 0, 0);
 818
 819 #endif
 820     }
 821     // do some more checkings here ...
 822
 823     mp_msg(MSGT_VO, MSGL_V,
 824            "vo_dga: bytes/line: %d, screen res: %dx%d, depth: %d, base: %p, bpp: %d\n",
 825            vo_dga_width, vo_dga_vp_width, vo_dga_vp_height,
 826            HW_MODE.vdm_bytespp, vo_dga_base, HW_MODE.vdm_bitspp);
 827
 828     x_off = (vo_dga_vp_width - vo_dga_src_width) >> 1;
 829     y_off = (vo_dga_vp_height - vo_dga_src_height) >> 1;
 830
 831     vo_dga_bytes_per_line = vo_dga_src_width * HW_MODE.vdm_bytespp;
 832     vo_dga_lines = vo_dga_src_height;
 833
 834     vo_dga_src_offset = 0;
 835     vo_dga_vp_offset =
 836         (y_off * vo_dga_width + x_off) * HW_MODE.vdm_bytespp;
 837
 838     vo_dga_vp_skip = (vo_dga_width - vo_dga_src_width) * HW_MODE.vdm_bytespp;   // todo
 839
 840     mp_msg(MSGT_VO, MSGL_V, "vo_dga: vp_off=%d, vp_skip=%d, bpl=%d\n",
 841            vo_dga_vp_offset, vo_dga_vp_skip, vo_dga_bytes_per_line);
 842
 843
 844     XGrabKeyboard(mDisplay, DefaultRootWindow(mDisplay), True,
 845                   GrabModeAsync, GrabModeAsync, CurrentTime);
 846     if (vo_grabpointer)
 847         XGrabPointer(mDisplay, DefaultRootWindow(mDisplay), True,
 848                      ButtonPressMask, GrabModeAsync, GrabModeAsync,
 849                      None, None, CurrentTime);
 850
 851     if (!vo_config_count || width != prev_width || height != prev_height)
 852     {
 853         init_video_buffers(vo_dga_base,
 854                            vo_dga_vp_height,
 855                            vo_dga_width * HW_MODE.vdm_bytespp,
 856 #ifdef CONFIG_DGA2
 857                            modeline->maxViewportY,
 858 #else
 859                            vo_dga_vp_height,
 860 #endif
 861                            vo_doublebuffering);
 862         prev_width = width;
 863         prev_height = height;
 864     }
 865
 866     mp_msg(MSGT_VO, MSGL_V, "vo_dga: Using %d frame buffer%s.\n",
 867            vo_dga_nr_video_buffers,
 868            vo_dga_nr_video_buffers == 1 ? "" : "s");
 869
 870     vo_dga_is_running = 1;
 871     return 0;
 872 }
 873
 874 static int dga_depths_init = 0;
 875
 876 static int preinit(const char *arg)
 877 {
 878     if (arg)
 879     {
 880         mp_msg(MSGT_VO, MSGL_INFO, "vo_dga: Unknown subdevice: %s\n", arg);
 881         return ENOSYS;
 882     }
 883
 884     if (!vo_init())
 885         return -1;              // Can't open X11
 886
 887     if (dga_depths_init == 0)
 888     {                           // FIXME!?
 889         int i;
 890
 891         vo_dga_XServer_mode = vd_ValidateMode(vo_depthonscreen);
 892
 893         if (vo_dga_XServer_mode == 0)
 894         {
 895 #ifndef CONFIG_DGA2
 896             mp_msg(MSGT_VO, MSGL_ERR,
 897                    "vo_dga: Your X-Server is not running in a ");
 898             mp_msg(MSGT_VO, MSGL_ERR,
 899                    "resolution supported by DGA driver!\n");
 900 #endif
 901         }                       //else{
 902         //  mp_msg(MSGT_VO, MSGL_V, "vo_dga: X running at: %s\n",
 903         //            vd_GetModeString(vo_dga_XServer_mode));
 904         //}
 905
 906 #ifdef CONFIG_DGA2
 907         vo_modelines = XDGAQueryModes(mDisplay, mScreen, &vo_modecount);
 908         if (vo_modelines)
 909         {
 910             for (i = 0; i < vo_modecount; i++)
 911             {
 912                 mp_msg(MSGT_VO, MSGL_V,
 913                        "vo_dga: (%03d) depth=%d, bpp=%d, r=%08lx, g=%08lx, b=%08lx, %d x %d\n",
 914                        i, vo_modelines[i].depth,
 915                        vo_modelines[i].bitsPerPixel,
 916                        vo_modelines[i].redMask, vo_modelines[i].greenMask,
 917                        vo_modelines[i].blueMask,
 918                        vo_modelines[i].viewportWidth,
 919                        vo_modelines[i].viewportHeight);
 920                 vd_EnableMode(vo_modelines[i].depth,
 921                               vo_modelines[i].bitsPerPixel,
 922                               vo_modelines[i].redMask,
 923                               vo_modelines[i].greenMask,
 924                               vo_modelines[i].blueMask);
 925             }
 926         }
 927 #endif
 928         dga_depths_init = 1;
 929
 930         if (!vo_dga_modes[1].vdm_supported
 931             && vo_dga_modes[2].vdm_supported)
 932         {
 933             vo_dga_modes[1].vdm_supported = 1;
 934         }
 935
 936         if (!vo_dga_modes[3].vdm_supported
 937             && vo_dga_modes[4].vdm_supported)
 938         {
 939             vo_dga_modes[3].vdm_supported = 1;
 940         }
 941
 942         for (i = 1; i < vo_dga_mode_num; i++)
 943         {
 944             mp_msg(MSGT_VO, MSGL_INFO, "vo_dga: Mode: %s",
 945                    vd_GetModeString(i));
 946             if (vo_dbpp && vo_dbpp != vo_dga_modes[i].vdm_mplayer_depth)
 947             {
 948                 vo_dga_modes[i].vdm_supported = 0;
 949                 mp_msg(MSGT_VO, MSGL_INFO, " ...disabled by -bpp %d",
 950                        vo_dbpp);
 951             }
 952             mp_msg(MSGT_VO, MSGL_INFO, "\n");
 953         }
 954     }
 955
 956     return 0;
 957 }
 958
 959 static uint32_t get_image(mp_image_t * mpi)
 960 {
 961     if (!IMGFMT_IS_BGR(mpi->imgfmt) ||
 962         (IMGFMT_BGR_DEPTH(mpi->imgfmt) !=
 963          vo_dga_modes[vo_dga_hw_mode].vdm_mplayer_depth)
 964         || (mpi->type == MP_IMGTYPE_STATIC && vo_dga_nr_video_buffers > 1)
 965         || (mpi->type == MP_IMGTYPE_IP && vo_dga_nr_video_buffers < 2)
 966         || (mpi->type == MP_IMGTYPE_IPB))
 967         return VO_FALSE;
 968
 969     if ((mpi->flags & MP_IMGFLAG_ACCEPT_STRIDE) ||
 970         (mpi->flags & MP_IMGFLAG_ACCEPT_WIDTH &&
 971          ((vo_dga_bytes_per_line + vo_dga_vp_skip) % (mpi->bpp / 8)) == 0)
 972         || (mpi->width * (mpi->bpp / 8) ==
 973             (vo_dga_bytes_per_line + vo_dga_vp_skip)))
 974     {
 975
 976         mpi->planes[0] = CURRENT_VIDEO_BUFFER.data + vo_dga_vp_offset;
 977         mpi->stride[0] = vo_dga_bytes_per_line + vo_dga_vp_skip;
 978         mpi->width =
 979             (vo_dga_bytes_per_line + vo_dga_vp_skip) / (mpi->bpp / 8);
 980         mpi->flags |= MP_IMGFLAG_DIRECT;
 981         return VO_TRUE;
 982     }
 983
 984     return VO_FALSE;
 985 }
 986
 987 static int control(uint32_t request, void *data, ...)
 988 {
 989     switch (request)
 990     {
 991         case VOCTRL_GET_IMAGE:
 992             return get_image(data);
 993         case VOCTRL_QUERY_FORMAT:
 994             return query_format(*((uint32_t *) data));
 995     }
 996     return VO_NOTIMPL;
 997 }
 998
 999 //---------------------------------------------------------