diff options
| author | Sascha Sommer <saschasommer@freenet.de> | 2007-08-22 15:28:58 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2007-08-23 12:07:06 +0200 |
| commit | 6b736a5c25d968bb09e229e0fbb82162e8447783 (patch) | |
| tree | fcee54a37c422d8a8b64845d0e455e356dc88d98 | |
| parent | 26aacfd90e2502c6e2a6c10761b4b2da7971b2bc (diff) | |
radeon: Round down RMX stretch ratios.
Fixes issues with RMX scaling, see
https://bugs.freedesktop.org/show_bug.cgi?id=8983 .
| -rw-r--r-- | src/radeon_driver.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c index 466fd46c..8d868f52 100644 --- a/src/radeon_driver.c +++ b/src/radeon_driver.c @@ -5797,21 +5797,23 @@ static void RADEONInitRMXRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save, if (Hratio == 1.0 || !(mode->Flags & RADEON_USE_RMX)) { save->fp_horz_stretch |= ((xres/8-1)<<16); } else { - save->fp_horz_stretch |= ((((unsigned long)(Hratio * RADEON_HORZ_STRETCH_RATIO_MAX + - 0.5)) & RADEON_HORZ_STRETCH_RATIO_MASK) | - RADEON_HORZ_STRETCH_BLEND | - RADEON_HORZ_STRETCH_ENABLE | - ((info->PanelXRes/8-1)<<16)); + save->fp_horz_stretch |= ((((unsigned long) + (Hratio * RADEON_HORZ_STRETCH_RATIO_MAX)) & + RADEON_HORZ_STRETCH_RATIO_MASK) | + RADEON_HORZ_STRETCH_BLEND | + RADEON_HORZ_STRETCH_ENABLE | + ((info->PanelXRes/8-1)<<16)); } if (Vratio == 1.0 || !(mode->Flags & RADEON_USE_RMX)) { save->fp_vert_stretch |= ((yres-1)<<12); } else { - save->fp_vert_stretch |= ((((unsigned long)(Vratio * RADEON_VERT_STRETCH_RATIO_MAX + - 0.5)) & RADEON_VERT_STRETCH_RATIO_MASK) | - RADEON_VERT_STRETCH_ENABLE | - RADEON_VERT_STRETCH_BLEND | - ((info->PanelYRes-1)<<12)); + save->fp_vert_stretch |= ((((unsigned long) + (Vratio * RADEON_VERT_STRETCH_RATIO_MAX)) & + RADEON_VERT_STRETCH_RATIO_MASK) | + RADEON_VERT_STRETCH_ENABLE | + RADEON_VERT_STRETCH_BLEND | + ((info->PanelYRes-1)<<12)); } } |