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Diffstat (limited to 'src/ct_video.c')
-rw-r--r--src/ct_video.c42
1 files changed, 26 insertions, 16 deletions
diff --git a/src/ct_video.c b/src/ct_video.c
index e1704ba..9ff9c13 100644
--- a/src/ct_video.c
+++ b/src/ct_video.c
@@ -267,7 +267,6 @@ CHIPSSetupImageVideo(ScreenPtr pScreen)
pPriv->colorKey = cPtr->videoKey;
pPriv->videoStatus = 0;
- pPriv->doubleBuffer = TRUE;
pPriv->manualDoubleBuffer = FALSE;
pPriv->currentBuffer = 0;
@@ -533,7 +532,9 @@ CHIPSDisplayVideo(
DisplayModePtr mode = pScrn->currentMode;
unsigned char tmp, m1f, m1e;
int buffer = pPriv->currentBuffer;
-
+ Bool dblscan = (pScrn->currentMode->Flags & V_DBLSCAN) == V_DBLSCAN;
+ int val;
+
if (cPtr->Flags & ChipsAccelSupport)
CHIPSHiQVSync(pScrn);
@@ -571,6 +572,7 @@ CHIPSDisplayVideo(
cPtr->writeMR(cPtr, 0x23, ((offset >> 8) & 0xFF));
cPtr->writeMR(cPtr, 0x24, ((offset >> 16) & 0xFF));
}
+
/* Setup Pointer 2 */
if ((buffer && !pPriv->manualDoubleBuffer) || !pPriv->doubleBuffer) {
cPtr->writeMR(cPtr, 0x25, (offset & 0xF8));
@@ -578,7 +580,6 @@ CHIPSDisplayVideo(
cPtr->writeMR(cPtr, 0x27, ((offset >> 16) & 0xFF));
}
-
tmp = cPtr->readMR(cPtr, 0x04);
if (pPriv->doubleBuffer && !pPriv->manualDoubleBuffer && triggerBufSwitch)
tmp |= 0x18;
@@ -586,6 +587,7 @@ CHIPSDisplayVideo(
tmp = cPtr->readMR(cPtr, 0x20);
tmp &= 0xC3;
+
if (pPriv->doubleBuffer && !pPriv->manualDoubleBuffer && triggerBufSwitch)
tmp |= ((1 << 2 | 1 << 5) | ((buffer) ? (1 << 4) : 0));
cPtr->writeMR(cPtr, 0x20, tmp);
@@ -605,14 +607,16 @@ CHIPSDisplayVideo(
tmp = (tmp & 0xF8) + (((cPtr->OverlaySkewX + dstBox->x2 - 1) >> 8) & 0x07);
cPtr->writeMR(cPtr, 0x2D, tmp);
/* Top Edge of Overlay */
- cPtr->writeMR(cPtr, 0x2E, ((cPtr->OverlaySkewY + dstBox->y1) & 0xFF));
+ val = cPtr->OverlaySkewY + (dstBox->y1 << (dblscan ? 1 : 0));
+ cPtr->writeMR(cPtr, 0x2E, ((val) & 0xFF));
tmp = cPtr->readMR(cPtr, 0x2F);
- tmp = (tmp & 0xF8) + (((cPtr->OverlaySkewY + dstBox->y1) >> 8) & 0x07);
+ tmp = (tmp & 0xF8) + (((val) >> 8) & 0x07);
cPtr->writeMR(cPtr, 0x2F, tmp);
/* Bottom Edge of Overlay*/
- cPtr->writeMR(cPtr, 0x30, ((cPtr->OverlaySkewY + dstBox->y2 - 1) & 0xFF));
+ val = cPtr->OverlaySkewY + (dstBox->y2 << (dblscan ? 1 : 0));
+ cPtr->writeMR(cPtr, 0x30, ((val - 1) & 0xFF));
tmp = cPtr->readMR(cPtr, 0x31);
- tmp = (tmp & 0xF8) + (((cPtr->OverlaySkewY + dstBox->y2 - 1) >> 8) & 0x07);
+ tmp = (tmp & 0xF8) + (((val - 1) >> 8) & 0x07);
cPtr->writeMR(cPtr, 0x31, tmp);
/* Horizontal Zoom */
@@ -624,10 +628,13 @@ CHIPSDisplayVideo(
}
/* Vertical Zoom */
- if (drw_h > src_h) {
+ if (drw_h > src_h || dblscan) {
m1f = m1f | 0x80; /* set V-interpolation */
- m1e = m1e | 0x08;
- tmp = cPtr->VideoZoomMax * src_h / drw_h ;
+ m1e = m1e | 0x08;
+ if (dblscan)
+ tmp = cPtr->VideoZoomMax >> 1;
+ if (drw_h > src_h)
+ tmp = tmp * src_h / drw_h;
cPtr->writeMR(cPtr, 0x33, tmp);
}
cPtr->writeMR(cPtr, 0x1F, m1f);
@@ -673,7 +680,7 @@ CHIPSPutImage(
dstBox.x2 = drw_x + drw_w;
dstBox.y1 = drw_y;
dstBox.y2 = drw_y + drw_h;
-
+
if (!xf86XVClipVideoHelper(&dstBox, &x1, &x2, &y1, &y2,
clipBoxes, width, height))
return Success;
@@ -687,8 +694,11 @@ CHIPSPutImage(
dstPitch = ((width << 1) + 15) & ~15;
new_size = ((dstPitch * height) + bpp - 1) / bpp;
- if (pPriv->doubleBuffer)
- new_size <<= 1;
+
+ pPriv->doubleBuffer = (pScrn->currentMode->Flags & V_DBLSCAN) != V_DBLSCAN;
+
+ if (pPriv->doubleBuffer)
+ new_size <<= 1;
switch(id) {
case FOURCC_YV12: /* YV12 */
@@ -703,12 +713,12 @@ CHIPSPutImage(
}
if(!(pPriv->linear = CHIPSAllocateMemory(pScrn, pPriv->linear, new_size))) {
- if (pPriv->doubleBuffer &&
- (pPriv->linear = CHIPSAllocateMemory(pScrn, pPriv->linear,
+ if (pPriv->doubleBuffer
+ && (pPriv->linear = CHIPSAllocateMemory(pScrn, pPriv->linear,
new_size >> 1))) {
new_size >>= 1;
pPriv->doubleBuffer = FALSE;
- } else
+ } else
return BadAlloc;
}