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rocklinux/package/x11/xfree86/xv-bigendian.patch

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many XFree86 bug-fixes: - fixed generic xf86CopyYUV12ToPacked for big-endian system (e.g. mach64 on UltraSPARC) - fixed the mga driver on big-endian systems (e.g. g200 on PowerPC IBM RS/6k) - fixed radeon dual head on big-endian systems (e.g. Mobility M7 in iBooks) - fixed (same work arround as in the Linux kernel radeonfb) radeon PLL computation for iBook panels The fixes took of course several days of debugging with much tea nearby. git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@2330 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc
21 years ago
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  1. # --- ROCK-COPYRIGHT-NOTE-BEGIN ---
  2. #
  3. # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
  4. # Please add additional copyright information _after_ the line containing
  5. # the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
  6. # the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
  7. #
  8. # ROCK Linux: rock-src/package/x11/xfree86/xv-bigendian.patch
  9. # ROCK Linux is Copyright (C) 1998 - 2004 Clifford Wolf
  10. #
  11. # This patch file is dual-licensed. It is available under the license the
  12. # patched project is licensed under, as long as it is an OpenSource license
  13. # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  14. # of the GNU General Public License as published by the Free Software
  15. # Foundation; either version 2 of the License, or (at your option) any later
  16. # version.
  17. #
  18. # --- ROCK-COPYRIGHT-NOTE-END ---
  20. An obvious (but nevertheless hard to track) typo affecting XV on big-endian
  21. systems with drivers using the generic xf86CopyYUV12ToPacked like: mach64,
  22. neomagic, s3, s3virge, siliconmotion and trident. Only ati/mach64 was tested
  23. on UltraSPARC ...
  25. --- xc/programs/Xserver/hw/xfree86/common/xf86xv.c 2003-11-21 05:59:00.000000000 +0000
  26. +++ xc-working/programs/Xserver/hw/xfree86/common/xf86xv.c 2004-02-10 01:50:39.010000000 +0000
  27. @@ -1979,10 +1979,10 @@
  28. Dst[3] = Y[6] | (Y[7] << 16) | (U[3] << 8) | (V[3] << 24);
  29. #else
  30. /* This assumes a little-endian framebuffer */
  31. - Dst[0] = (Y[0] << 24) | (Y[1] << 8) | (U[0] << 16) | Y[0];
  32. - Dst[1] = (Y[2] << 24) | (Y[3] << 8) | (U[1] << 16) | Y[1];
  33. - Dst[2] = (Y[4] << 24) | (Y[5] << 8) | (U[2] << 16) | Y[2];
  34. - Dst[3] = (Y[6] << 24) | (Y[7] << 8) | (U[3] << 16) | Y[3];
  35. + Dst[0] = (Y[0] << 24) | (Y[1] << 8) | (U[0] << 16) | V[0];
  36. + Dst[1] = (Y[2] << 24) | (Y[3] << 8) | (U[1] << 16) | V[1];
  37. + Dst[2] = (Y[4] << 24) | (Y[5] << 8) | (U[2] << 16) | V[2];
  38. + Dst[3] = (Y[6] << 24) | (Y[7] << 8) | (U[3] << 16) | V[3];
  39. #endif
  40. Dst += 4; Y += 8; V += 4; U += 4;
  41. i -= 4;
  42. @@ -1993,7 +1993,7 @@
  43. Dst[0] = Y[0] | (Y[1] << 16) | (U[0] << 8) | (V[0] << 24);
  44. #else
  45. /* This assumes a little-endian framebuffer */
  46. - Dst[0] = (Y[0] << 24) | (Y[1] << 8) | (U[0] << 16) | Y[0];
  47. + Dst[0] = (Y[0] << 24) | (Y[1] << 8) | (U[0] << 16) | V[0];
  48. #endif
  49. Dst++; Y += 2; V++; U++;
  50. }