diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2008-07-16 03:14:06 -0400 |
|---|---|---|
| committer | Pierre Ossman <pierre@ossman.eu> | 2008-12-04 21:49:52 +0100 |
| commit | 4d98acbca2e630056bf56cdcd0e23007fded2ced (patch) | |
| tree | a574724160c84f68601072fb25e7507653da3ce6 /src/radeon_video.c | |
| parent | 82d67b70d0fb747cf7b1eb0b64244ae56cb84572 (diff) | |
First pass at tear-free accel
if the dest pixmap is the front buffer, stall the pipe
until the vline is outside the active area.
For EXA, pick crtc based on the larger mode area;
ideally we'd have one pixmap per crtc.
For Xv, use dst window area to determine crtc.
Diffstat (limited to 'src/radeon_video.c')
| -rw-r--r-- | src/radeon_video.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/radeon_video.c b/src/radeon_video.c index 6249ceac..423ea28b 100644 --- a/src/radeon_video.c +++ b/src/radeon_video.c @@ -105,7 +105,6 @@ static Atom xvOvAlpha, xvGrAlpha, xvAlphaMode; #define GET_PORT_PRIVATE(pScrn) \ (RADEONPortPrivPtr)((RADEONPTR(pScrn))->adaptor->pPortPrivates[0].ptr) -#ifndef HAVE_XF86CRTCCLIPVIDEOHELPER static void radeon_box_intersect(BoxPtr dest, BoxPtr a, BoxPtr b) { @@ -136,6 +135,37 @@ radeon_box_area(BoxPtr box) return (int) (box->x2 - box->x1) * (int) (box->y2 - box->y1); } +int +radeon_covering_crtc_num(ScrnInfoPtr pScrn, + int x1, int x2, int y1, int y2, + xf86CrtcPtr desired) +{ + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); + int coverage, best_coverage; + int c, best_crtc = 0; + BoxRec box, crtc_box, cover_box; + + box.x1 = x1; + box.x2 = x2; + box.y1 = y1; + box.y2 = y2; + best_coverage = 0; + for (c = 0; c < xf86_config->num_crtc; c++) { + xf86CrtcPtr crtc = xf86_config->crtc[c]; + radeon_crtc_box(crtc, &crtc_box); + radeon_box_intersect(&cover_box, &crtc_box, &box); + coverage = radeon_box_area(&cover_box); + if (coverage && crtc == desired) { + return c; + } else if (coverage > best_coverage) { + best_crtc = c; + best_coverage = coverage; + } + } + return best_crtc; +} + +#ifndef HAVE_XF86CRTCCLIPVIDEOHELPER static xf86CrtcPtr radeon_covering_crtc(ScrnInfoPtr pScrn, BoxPtr box, |