diff options
Diffstat (limited to 'src/radeon_commonfuncs.c')
| -rw-r--r-- | src/radeon_commonfuncs.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/radeon_commonfuncs.c b/src/radeon_commonfuncs.c index c7d42bce..556dba3f 100644 --- a/src/radeon_commonfuncs.c +++ b/src/radeon_commonfuncs.c @@ -632,6 +632,39 @@ static void FUNC_NAME(RADEONInit3DEngine)(ScrnInfoPtr pScrn) } +/* inserts a wait for vline in the command stream */ +void FUNC_NAME(RADEONWaitForVLine)(ScrnInfoPtr pScrn, PixmapPtr pPix, int crtc) +{ + RADEONInfoPtr info = RADEONPTR(pScrn); + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + uint32_t offset; + ACCEL_PREAMBLE(); + + if ((crtc < 0) || (crtc > 1)) + return; + + if (!xf86_config->crtc[crtc]->enabled) + return; + +#ifdef USE_EXA + if (info->useEXA) + offset = exaGetPixmapOffset(pPix); + else +#endif + offset = pPix->devPrivate.ptr - info->FB; + + /* if drawing to front buffer */ + if (offset == 0) { + BEGIN_ACCEL(1); + if (crtc == 0) + OUT_ACCEL_REG(RADEON_WAIT_UNTIL, (RADEON_WAIT_FE_CRTC_VLINE | + RADEON_ENG_DISPLAY_SELECT_CRTC0)); + else + OUT_ACCEL_REG(RADEON_WAIT_UNTIL, (RADEON_WAIT_FE_CRTC_VLINE | + RADEON_ENG_DISPLAY_SELECT_CRTC1)); + FINISH_ACCEL(); + } +} /* MMIO: * |