XLibre/xf86-video-r128
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Scale Xv with the vertical stretch ratio

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If we are using a resolution lower than the native resolution of the
flat panel, the video overlay needs to know this. Otherwise a black bar
appears beneath the video. This is essentially Conn's patch from the bug
tracker except it doesn't always rely on info->PanelYRes. ACPI events
can change this without the driver's knowledge.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=6493

Signed-off-by: Connor Behan <connor.behan@gmail.com>
This commit is contained in:
Connor Behan
2012-08-31 00:19:21 -07:00
parent 7f279e9d4e
commit 4ecd6e67fb
1 changed files with 28 additions and 4 deletions
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32
src/r128_video.c
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@@ -661,13 +661,25 @@ R128DisplayVideo422(
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
R128PortPrivPtr pPriv = info->adaptor->pPortPrivates[0].ptr;
int v_inc, h_inc, step_by, tmp;
int v_inc, h_inc, step_by, tmp, v_inc_shift;
int p1_h_accum_init, p23_h_accum_init;
int p1_v_accum_init;
Bool rmx_active;
R128ECP(pScrn, pPriv);
v_inc = (src_h << 20) / drw_h;
v_inc_shift = 20;
if (pScrn->currentMode->Flags & V_INTERLACE)
v_inc_shift++;
if (pScrn->currentMode->Flags & V_DBLSCAN)
v_inc_shift--;
rmx_active = INREG(R128_FP_VERT_STRETCH) & R128_VERT_STRETCH_ENABLE;
if (rmx_active) {
v_inc = ((src_h * pScrn->currentMode->CrtcVDisplay / info->PanelYRes) << v_inc_shift) / drw_h;
} else {
v_inc = (src_h << v_inc_shift) / drw_h;
}
h_inc = (src_w << (12 + pPriv->ecp_div)) / drw_w;
step_by = 1;
@@ -735,11 +747,23 @@ R128DisplayVideo420(
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
R128PortPrivPtr pPriv = info->adaptor->pPortPrivates[0].ptr;
int v_inc, h_inc, step_by, tmp, leftUV;
int v_inc, h_inc, step_by, tmp, leftUV, v_inc_shift;
int p1_h_accum_init, p23_h_accum_init;
int p1_v_accum_init, p23_v_accum_init;
Bool rmx_active;
v_inc = (src_h << 20) / drw_h;
v_inc_shift = 20;
if (pScrn->currentMode->Flags & V_INTERLACE)
v_inc_shift++;
if (pScrn->currentMode->Flags & V_DBLSCAN)
v_inc_shift--;
rmx_active = INREG(R128_FP_VERT_STRETCH) & R128_VERT_STRETCH_ENABLE;
if (rmx_active) {
v_inc = ((src_h * pScrn->currentMode->CrtcVDisplay / info->PanelYRes) << v_inc_shift) / drw_h;
} else {
v_inc = (src_h << v_inc_shift) / drw_h;
}
h_inc = (src_w << (12 + pPriv->ecp_div)) / drw_w;
step_by = 1;