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xenocara/xserver/hw/kdrive/mach64/mach64video.c
matthieu 889b860699 Importing xserver from X.Org 7.2RC2
2006-11-26 18:13:41 +00:00

996 lines
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/*
* Copyright © 2001 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $RCSId: xc/programs/Xserver/hw/kdrive/mach64/mach64video.c,v 1.9tsi Exp $ */
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "mach64.h"
#include <X11/extensions/Xv.h>
#include "fourcc.h"
#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
static Atom xvBrightness, xvSaturation, xvColorKey;
#define IMAGE_MAX_WIDTH 720
#define IMAGE_MAX_HEIGHT 576
static void
mach64StopVideo(KdScreenInfo *screen, pointer data, Bool exit)
{
ScreenPtr pScreen = screen->pScreen;
KdScreenPriv(pScreen);
KdCardInfo *card = pScreenPriv->card;
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64CardInfo *mach64c = (Mach64CardInfo *) card->driver;
Mach64PortPrivPtr pPortPriv = mach64s->pAdaptor->pPortPrivates[0].ptr;
Reg *reg = mach64c->reg;
MediaReg *media = mach64c->media_reg;
REGION_EMPTY(screen->pScreen, &pPortPriv->clip);
if (!media)
return;
if(pPortPriv->videoOn)
{
mach64WaitIdle (reg);
/* wait for buffer to be displayed */
while (((media->TRIG_CNTL >> 5) & 1) != pPortPriv->currentBuf)
;
/* wait for buffer to be finished */
while (((media->TRIG_CNTL >> 6) & 1) != 0)
;
mach64WaitAvail (reg, 1);
media->OVERLAY_SCALE_CNTL = 0;
pPortPriv->videoOn = FALSE;
mach64WaitIdle (reg);
}
if (pPortPriv->off_screen)
{
KdOffscreenFree (pScreen, pPortPriv->off_screen);
pPortPriv->off_screen = 0;
}
}
static int
mach64SetPortAttribute(KdScreenInfo *screen,
Atom attribute,
int value,
pointer data)
{
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64PortPrivPtr pPortPriv = mach64s->pAdaptor->pPortPrivates[0].ptr;
if(attribute == xvBrightness)
{
if(value < -1000)
value = -1000;
if (value > 1000)
value = 1000;
pPortPriv->brightness = value;
}
else if(attribute == xvSaturation)
{
if (value < -1000)
value = -1000;
if (value > 1000)
value = 1000;
pPortPriv->saturation = value;
}
else if(attribute == xvColorKey)
{
if (pPortPriv->colorKey != value)
{
pPortPriv->colorKey = value;
REGION_EMPTY(screen->pScreen, &pPortPriv->clip);
}
}
else
return BadMatch;
return Success;
}
static int
mach64GetPortAttribute(KdScreenInfo *screen,
Atom attribute,
int *value,
pointer data)
{
Mach64PortPrivPtr pPortPriv = (Mach64PortPrivPtr)data;
if(attribute == xvBrightness)
*value = pPortPriv->brightness;
else if(attribute == xvSaturation)
*value = pPortPriv->saturation;
else if(attribute == xvColorKey)
*value = pPortPriv->colorKey;
else
return BadMatch;
return Success;
}
static void
mach64QueryBestSize(KdScreenInfo *screen,
Bool motion,
short vid_w,
short vid_h,
short drw_w,
short drw_h,
unsigned int *p_w,
unsigned int *p_h,
pointer data)
{
*p_w = drw_w;
*p_h = drw_h;
}
static void
mach64CopyPackedData(KdScreenInfo *screen,
unsigned char *buf,
int randr,
int srcPitch,
int dstPitch,
int srcW,
int srcH,
int top,
int left,
int h,
int w)
{
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64PortPrivPtr pPortPriv = mach64s->pAdaptor->pPortPrivates[0].ptr;
CARD8 *src = buf, *dst;
int srcDown = srcPitch, srcRight = 2, srcNext;
int p;
switch (randr & RR_Rotate_All) {
case RR_Rotate_0:
src = buf;
srcDown = srcPitch;
srcRight = 2;
break;
case RR_Rotate_90:
src = buf + (srcH - 1) * 2;
srcDown = -2;
srcRight = srcPitch;
break;
case RR_Rotate_180:
src = buf + srcPitch * (srcH - 1) + (srcW - 1) * 2;
srcDown = -srcPitch;
srcRight = -2;
break;
case RR_Rotate_270:
src = buf + srcPitch * (srcW - 1);
srcDown = 2;
srcRight = -srcPitch;
break;
}
src = src + top*srcDown + left*srcRight;
if (pPortPriv->currentBuf == 0)
dst = (CARD8 *) mach64s->vesa.fb + pPortPriv->YBuf0Offset;
else
dst = (CARD8 *) mach64s->vesa.fb + pPortPriv->YBuf1Offset;
w >>= 1;
srcRight >>= 1;
srcNext = srcRight >> 1;
while(h--)
{
CARD16 *s = (CARD16 *) src;
CARD32 *d = (CARD32 *) dst;
p = w;
while (p--)
{
*d++ = s[0] | (s[srcNext] << 16);
s += srcRight;
}
src += srcPitch;
dst += dstPitch;
}
}
static void
mach64CopyPlanarData(KdScreenInfo *screen,
unsigned char *buf,
int randr,
int srcPitch,
int srcPitch2,
int dstPitch, /* of chroma */
int srcW,
int srcH,
int height,
int top,
int left,
int h,
int w,
int id)
{
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64PortPrivPtr pPortPriv = mach64s->pAdaptor->pPortPrivates[0].ptr;
int i, j;
CARD8 *src1, *src2, *src3, *dst1;
int srcDown = srcPitch, srcDown2 = srcPitch2;
int srcRight = 2, srcRight2 = 1, srcNext = 1;
/* compute source data pointers */
src1 = buf;
src2 = src1 + height * srcPitch;
src3 = src2 + (height >> 1) * srcPitch2;
switch (randr & RR_Rotate_All) {
case RR_Rotate_0:
srcDown = srcPitch;
srcDown2 = srcPitch2;
srcRight = 2;
srcRight2 = 1;
srcNext = 1;
break;
case RR_Rotate_90:
src1 = src1 + srcH - 1;
src2 = src2 + (srcH >> 1) - 1;
src3 = src3 + (srcH >> 1) - 1;
srcDown = -1;
srcDown2 = -1;
srcRight = srcPitch * 2;
srcRight2 = srcPitch2;
srcNext = srcPitch;
break;
case RR_Rotate_180:
src1 = src1 + srcPitch * (srcH - 1) + (srcW - 1);
src2 = src2 + srcPitch2 * ((srcH >> 1) - 1) + ((srcW >> 1) - 1);
src3 = src3 + srcPitch2 * ((srcH >> 1) - 1) + ((srcW >> 1) - 1);
srcDown = -srcPitch;
srcDown2 = -srcPitch2;
srcRight = -2;
srcRight2 = -1;
srcNext = -1;
break;
case RR_Rotate_270:
src1 = src1 + srcPitch * (srcW - 1);
src2 = src2 + srcPitch2 * ((srcW >> 1) - 1);
src3 = src3 + srcPitch2 * ((srcW >> 1) - 1);
srcDown = 1;
srcDown2 = 1;
srcRight = -srcPitch * 2;
srcRight2 = -srcPitch2;
srcNext = -srcPitch;
break;
}
/* adjust for origin */
src1 += top * srcDown + left * srcNext;
src2 += (top >> 1) * srcDown2 + (left >> 1) * srcRight2;
src3 += (top >> 1) * srcDown2 + (left >> 1) * srcRight2;
if (id == FOURCC_I420)
{
CARD8 *srct = src2;
src2 = src3;
src3 = srct;
}
if (pPortPriv->currentBuf == 0)
dst1 = (CARD8 *) mach64s->vesa.fb + pPortPriv->YBuf0Offset;
else
dst1 = (CARD8 *) mach64s->vesa.fb + pPortPriv->YBuf1Offset;
w >>= 1;
for (j = 0; j < h; j++)
{
CARD32 *dst = (CARD32 *) dst1;
CARD8 *s1l = src1;
CARD8 *s1r = src1 + srcNext;
CARD8 *s2 = src2;
CARD8 *s3 = src3;
for (i = 0; i < w; i++)
{
*dst++ = *s1l | (*s1r << 16) | (*s3 << 8) | (*s2 << 24);
s1l += srcRight;
s1r += srcRight;
s2 += srcRight2;
s3 += srcRight2;
}
src1 += srcDown;
dst1 += dstPitch;
if (j & 1)
{
src2 += srcDown2;
src3 += srcDown2;
}
}
}
/* Mach64ClipVideo -
Takes the dst box in standard X BoxRec form (top and left
edges inclusive, bottom and right exclusive). The new dst
box is returned. The source boundaries are given (x1, y1
inclusive, x2, y2 exclusive) and returned are the new source
boundaries in 16.16 fixed point.
*/
static void
Mach64ClipVideo(BoxPtr dst,
INT32 *x1,
INT32 *x2,
INT32 *y1,
INT32 *y2,
BoxPtr extents, /* extents of the clip region */
INT32 width,
INT32 height)
{
INT32 vscale, hscale, delta;
int diff;
hscale = ((*x2 - *x1) << 16) / (dst->x2 - dst->x1);
vscale = ((*y2 - *y1) << 16) / (dst->y2 - dst->y1);
*x1 <<= 16; *x2 <<= 16;
*y1 <<= 16; *y2 <<= 16;
diff = extents->x1 - dst->x1;
if(diff > 0) {
dst->x1 = extents->x1;
*x1 += diff * hscale;
}
diff = dst->x2 - extents->x2;
if(diff > 0) {
dst->x2 = extents->x2;
*x2 -= diff * hscale;
}
diff = extents->y1 - dst->y1;
if(diff > 0) {
dst->y1 = extents->y1;
*y1 += diff * vscale;
}
diff = dst->y2 - extents->y2;
if(diff > 0) {
dst->y2 = extents->y2;
*y2 -= diff * vscale;
}
if(*x1 < 0) {
diff = (- *x1 + hscale - 1)/ hscale;
dst->x1 += diff;
*x1 += diff * hscale;
}
delta = *x2 - (width << 16);
if(delta > 0) {
diff = (delta + hscale - 1)/ hscale;
dst->x2 -= diff;
*x2 -= diff * hscale;
}
if(*y1 < 0) {
diff = (- *y1 + vscale - 1)/ vscale;
dst->y1 += diff;
*y1 += diff * vscale;
}
delta = *y2 - (height << 16);
if(delta > 0) {
diff = (delta + vscale - 1)/ vscale;
dst->y2 -= diff;
*y2 -= diff * vscale;
}
}
static void
mach64DisplayVideo(KdScreenInfo *screen,
int id,
int dstPitch, /* of chroma for 4:2:0 */
int x1,
int y1,
int x2,
int y2,
int dst_x1,
int dst_y1,
int dst_x2,
int dst_y2,
short src_w,
short src_h,
short drw_w,
short drw_h)
{
ScreenPtr pScreen = screen->pScreen;
KdScreenPriv(pScreen);
KdCardInfo *card = pScreenPriv->card;
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64CardInfo *mach64c = (Mach64CardInfo *) card->driver;
Mach64PortPrivPtr pPortPriv = mach64s->pAdaptor->pPortPrivates[0].ptr;
Reg *reg = mach64c->reg;
MediaReg *media = mach64c->media_reg;
int HORZ_INC, VERT_INC;
CARD32 SCALER_IN;
int bright;
int sat;
if (id == FOURCC_UYVY)
SCALER_IN = SCALER_IN_YVYU422;
else
SCALER_IN = SCALER_IN_VYUY422;
mach64WaitAvail (reg, 4);
media->VIDEO_FORMAT = SCALER_IN | VIDEO_IN_VYUY422;
/* color key */
media->OVERLAY_GRAPHICS_KEY_MSK = (1 << screen->fb[0].depth) - 1;
media->OVERLAY_GRAPHICS_KEY_CLR = pPortPriv->colorKey;
/* set key control to obey only graphics color key */
media->OVERLAY_KEY_CNTL = 0x50;
mach64WaitAvail (reg, 9);
media->CAPTURE_DEBUG = 0;
/* no exclusive video region */
media->OVERLAY_EXCLUSIVE_HORZ = 0;
media->OVERLAY_EXCLUSIVE_VERT = 0;
/* scaling coefficients */
media->SCALER_H_COEFF0 = 0x00002000;
media->SCALER_H_COEFF1 = 0x0D06200D;
media->SCALER_H_COEFF2 = 0x0D0A1C0D;
media->SCALER_H_COEFF3 = 0x0C0E1A0C;
media->SCALER_H_COEFF4 = 0x0C14140C;
media->SCALER_TEST = 0;
mach64WaitAvail (reg, 2);
media->OVERLAY_SCALE_CNTL = (SCALE_PIX_EXPAND |
SCALE_GAMMA_BRIGHT |
SCALE_BANDWIDTH |
SCALE_OVERLAY_EN |
SCALE_EN);
bright = (pPortPriv->brightness * 64 / 1000);
if (bright < -0x40)
bright = -0x40;
if (bright > 0x3f)
bright = 0x3f;
bright = bright & 0x7f;
sat = ((pPortPriv->saturation * 31 + 31000) / 2000);
if (sat > 0x1f)
sat = 0x1f;
if (sat < 0)
sat = 0;
media->SCALER_COLOUR_CNTL = ((bright << 0) | /* BRIGHTNESS */
(sat << 8) | /* SATURATION_U */
(sat << 16) | /* SATURATION_V */
(0 << 21) | /* SCALER_VERT_ADJ_UV */
(0 << 28)); /* SCALER_HORZ_ADJ_UV */
VERT_INC = (src_h << 12) / drw_h;
HORZ_INC = (src_w << 12) / drw_w;
mach64WaitAvail (reg, 13);
/* lock registers to prevent non-atomic update */
media->OVERLAY_Y_X_START = 0x80000000 | MACH64_YX (dst_x1, dst_y1);
/* ending screen coordinate */
media->OVERLAY_Y_X_END = 0x80000000 | MACH64_YX (dst_x2, dst_y2);
media->OVERLAY_SCALE_INC = MACH64_YX(HORZ_INC, VERT_INC);
media->SCALER_BUF0_OFFSET = pPortPriv->YBuf0Offset;
media->SCALER_BUF1_OFFSET = pPortPriv->YBuf1Offset;
media->SCALER_BUF0_OFFSET_U = pPortPriv->YBuf0Offset;
media->SCALER_BUF1_OFFSET_U = pPortPriv->YBuf1Offset;
media->SCALER_BUF0_OFFSET_V = pPortPriv->YBuf0Offset;
media->SCALER_BUF1_OFFSET_V = pPortPriv->YBuf1Offset;
media->SCALER_BUF_PITCH = dstPitch >> 1;
media->SCALER_HEIGHT_WIDTH = MACH64_YX(src_w - (x1 >> 16), src_h - (y1 >> 16));
media->CAPTURE_CONFIG = pPortPriv->currentBuf << 28;
/* set XY location and unlock */
media->OVERLAY_Y_X_START = MACH64_YX (dst_x1, dst_y1);
}
static void
mach64VideoSave (ScreenPtr pScreen, KdOffscreenArea *area)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64PortPrivPtr pPortPriv = mach64s->pAdaptor->pPortPrivates[0].ptr;
if (pPortPriv->off_screen == area)
pPortPriv->off_screen = 0;
}
static int
mach64PutImage(KdScreenInfo *screen,
DrawablePtr pDraw,
short src_x,
short src_y,
short drw_x,
short drw_y,
short src_w,
short src_h,
short drw_w,
short drw_h,
int id,
unsigned char *buf,
short width,
short height,
Bool sync,
RegionPtr clipBoxes,
pointer data)
{
KdCardInfo *card = screen->card;
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
Mach64CardInfo *mach64c = (Mach64CardInfo *) card->driver;
Mach64PortPrivPtr pPortPriv = (Mach64PortPrivPtr)data;
MediaReg *media = mach64c->media_reg;
INT32 x1, x2, y1, y2;
int randr = mach64s->vesa.randr;
int srcPitch, srcPitch2, dstPitch;
int top, left, npixels, nlines, size;
BoxRec dstBox;
int dst_width = width, dst_height = height;
int rot_x1, rot_y1, rot_x2, rot_y2;
int dst_x1, dst_y1, dst_x2, dst_y2;
int rot_src_w, rot_src_h, rot_drw_w, rot_drw_h;
/* Clip */
x1 = src_x;
x2 = src_x + src_w;
y1 = src_y;
y2 = src_y + src_h;
dstBox.x1 = drw_x;
dstBox.x2 = drw_x + drw_w;
dstBox.y1 = drw_y;
dstBox.y2 = drw_y + drw_h;
Mach64ClipVideo(&dstBox, &x1, &x2, &y1, &y2,
REGION_EXTENTS(pScreen, clipBoxes), width, height);
if((x1 >= x2) || (y1 >= y2))
return Success;
if (!media)
return BadAlloc;
if (randr & (RR_Rotate_0|RR_Rotate_180))
{
dst_width = width;
dst_height = height;
rot_src_w = src_w;
rot_src_h = src_h;
rot_drw_w = drw_w;
rot_drw_h = drw_h;
}
else
{
dst_width = height;
dst_height = width;
rot_src_w = src_h;
rot_src_h = src_w;
rot_drw_w = drw_h;
rot_drw_h = drw_w;
}
switch (randr & RR_Rotate_All) {
case RR_Rotate_0:
default:
dst_x1 = dstBox.x1;
dst_y1 = dstBox.y1;
dst_x2 = dstBox.x2;
dst_y2 = dstBox.y2;
rot_x1 = x1;
rot_y1 = y1;
rot_x2 = x2;
rot_y2 = y2;
break;
case RR_Rotate_90:
dst_x1 = dstBox.y1;
dst_y1 = screen->height - dstBox.x2;
dst_x2 = dstBox.y2;
dst_y2 = screen->height - dstBox.x1;
rot_x1 = y1;
rot_y1 = (src_w << 16) - x2;
rot_x2 = y2;
rot_y2 = (src_w << 16) - x1;
break;
case RR_Rotate_180:
dst_x1 = screen->width - dstBox.x2;
dst_y1 = screen->height - dstBox.y2;
dst_x2 = screen->width - dstBox.x1;
dst_y2 = screen->height - dstBox.y1;
rot_x1 = (src_w << 16) - x2;
rot_y1 = (src_h << 16) - y2;
rot_x2 = (src_w << 16) - x1;
rot_y2 = (src_h << 16) - y1;
break;
case RR_Rotate_270:
dst_x1 = screen->width - dstBox.y2;
dst_y1 = dstBox.x1;
dst_x2 = screen->width - dstBox.y1;
dst_y2 = dstBox.x2;
rot_x1 = (src_h << 16) - y2;
rot_y1 = x1;
rot_x2 = (src_h << 16) - y1;
rot_y2 = x2;
break;
}
switch(id) {
case FOURCC_YV12:
case FOURCC_I420:
dstPitch = ((dst_width << 1) + 15) & ~15;
srcPitch = (width + 3) & ~3;
srcPitch2 = ((width >> 1) + 3) & ~3;
size = dstPitch * (int) dst_height;
break;
case FOURCC_UYVY:
case FOURCC_YUY2:
default:
dstPitch = ((dst_width << 1) + 15) & ~15;
srcPitch = (width << 1);
srcPitch2 = 0;
size = dstPitch * (int) dst_height;
break;
}
if (pPortPriv->off_screen && size != pPortPriv->size)
{
KdOffscreenFree (screen->pScreen, pPortPriv->off_screen);
pPortPriv->off_screen = 0;
}
if (!pPortPriv->off_screen)
{
pPortPriv->off_screen = KdOffscreenAlloc (screen->pScreen, size * 2, 64,
TRUE, mach64VideoSave,
pPortPriv);
if (!pPortPriv->off_screen)
return BadAlloc;
}
pPortPriv->offset = pPortPriv->off_screen->offset;
pPortPriv->size = size;
/* fixup pointers */
pPortPriv->YBuf0Offset = pPortPriv->offset;
pPortPriv->YBuf1Offset = pPortPriv->offset + size;
#if 0
mach64WaitIdle (reg);
if (pPortPriv->videoOn)
{
/* wait for buffer to be displayed */
while (((media->TRIG_CNTL >> 5) & 1) != pPortPriv->currentBuf)
;
}
#endif
/*
* Use the other buffer
*/
pPortPriv->currentBuf = 1 - pPortPriv->currentBuf;
/* copy data */
top = rot_y1 >> 16;
left = (rot_x1 >> 16) & ~1;
npixels = ((((rot_x2 + 0xffff) >> 16) + 1) & ~1) - left;
switch(id) {
case FOURCC_YV12:
case FOURCC_I420:
top &= ~1;
nlines = ((((rot_y2 + 0xffff) >> 16) + 1) & ~1) - top;
mach64CopyPlanarData(screen, buf, randr,
srcPitch, srcPitch2, dstPitch,
rot_src_w, rot_src_h, height,
top, left, nlines, npixels, id);
break;
case FOURCC_UYVY:
case FOURCC_YUY2:
default:
nlines = ((rot_y2 + 0xffff) >> 16) - top;
mach64CopyPackedData(screen, buf, randr,
srcPitch, dstPitch,
rot_src_w, rot_src_h,
top, left, nlines,
npixels);
break;
}
mach64DisplayVideo(screen, id, dstPitch,
rot_x1, rot_y1, rot_x2, rot_y2,
dst_x1, dst_y1,
dst_x2, dst_y2,
rot_src_w, rot_src_h, rot_drw_w, rot_drw_h);
/* update cliplist */
if (!REGION_EQUAL (screen->pScreen, &pPortPriv->clip, clipBoxes))
{
REGION_COPY (screen->pScreen, &pPortPriv->clip, clipBoxes);
KXVPaintRegion (pDraw, &pPortPriv->clip, pPortPriv->colorKey);
}
pPortPriv->videoOn = TRUE;
return Success;
}
static int
mach64QueryImageAttributes(KdScreenInfo *screen,
int id,
unsigned short *w,
unsigned short *h,
int *pitches,
int *offsets)
{
int size, tmp;
if(*w > IMAGE_MAX_WIDTH)
*w = IMAGE_MAX_WIDTH;
if(*h > IMAGE_MAX_HEIGHT)
*h = IMAGE_MAX_HEIGHT;
*w = (*w + 1) & ~1;
if(offsets) offsets[0] = 0;
switch(id) {
case FOURCC_YV12:
case FOURCC_I420:
*h = (*h + 1) & ~1;
size = (*w + 3) & ~3;
if(pitches)
pitches[0] = size;
size *= *h;
if(offsets)
offsets[1] = size;
tmp = ((*w >> 1) + 3) & ~3;
if(pitches)
pitches[1] = pitches[2] = tmp;
tmp *= (*h >> 1);
size += tmp;
if(offsets)
offsets[2] = size;
size += tmp;
break;
case FOURCC_UYVY:
case FOURCC_YUY2:
default:
size = *w << 1;
if(pitches)
pitches[0] = size;
size *= *h;
break;
}
return size;
}
/* client libraries expect an encoding */
static KdVideoEncodingRec DummyEncoding[1] =
{
{
0,
"XV_IMAGE",
IMAGE_MAX_WIDTH, IMAGE_MAX_HEIGHT,
{1, 1}
}
};
#define NUM_FORMATS 3
static KdVideoFormatRec Formats[NUM_FORMATS] =
{
{15, TrueColor}, {16, TrueColor}, {24, TrueColor}
};
#define NUM_ATTRIBUTES 3
static KdAttributeRec Attributes[NUM_ATTRIBUTES] =
{
{XvSettable | XvGettable, 0, ~0, "XV_COLORKEY"},
{XvSettable | XvGettable, -1000, 1000, "XV_BRIGHTNESS"},
{XvSettable | XvGettable, -1000, 1000, "XV_SATURATION"}
};
#define NUM_IMAGES 4
static KdImageRec Images[NUM_IMAGES] =
{
XVIMAGE_YUY2,
XVIMAGE_YV12,
XVIMAGE_I420,
XVIMAGE_UYVY
};
static void mach64ResetVideo(KdScreenInfo *screen)
{
}
static int
mach64ReputImage (KdScreenInfo *screen,
DrawablePtr pDraw,
short drw_x,
short drw_y,
RegionPtr clipBoxes,
pointer data)
{
Mach64PortPrivPtr pPortPriv = (Mach64PortPrivPtr)data;
BoxPtr pOldExtents = REGION_EXTENTS (screen->pScreen, &pPortPriv->clip);
BoxPtr pNewExtents = REGION_EXTENTS (screen->pScreen, clipBoxes);
if (pOldExtents->x1 == pNewExtents->x1 &&
pOldExtents->x2 == pNewExtents->x2 &&
pOldExtents->y1 == pNewExtents->y1 &&
pOldExtents->y2 == pNewExtents->y2)
{
/* update cliplist */
if (!REGION_EQUAL (screen->pScreen, &pPortPriv->clip, clipBoxes))
{
REGION_COPY (screen->pScreen, &pPortPriv->clip, clipBoxes);
KXVPaintRegion (pDraw, &pPortPriv->clip, pPortPriv->colorKey);
}
return Success;
}
return BadMatch;
}
static KdVideoAdaptorPtr
mach64SetupImageVideo(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
mach64ScreenInfo(pScreenPriv);
KdScreenInfo *screen = pScreenPriv->screen;
KdVideoAdaptorPtr adapt;
Mach64PortPrivPtr pPortPriv;
if(!(adapt = xcalloc(1, sizeof(KdVideoAdaptorRec) +
sizeof(Mach64PortPrivRec) +
sizeof(DevUnion))))
return NULL;
adapt->type = XvWindowMask | XvInputMask | XvImageMask;
adapt->flags = VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT;
adapt->name = "Mach64 Video Overlay";
adapt->nEncodings = 1;
adapt->pEncodings = DummyEncoding;
adapt->nFormats = NUM_FORMATS;
adapt->pFormats = Formats;
adapt->nPorts = 1;
adapt->pPortPrivates = (DevUnion*)(&adapt[1]);
pPortPriv = (Mach64PortPrivPtr)(&adapt->pPortPrivates[1]);
adapt->pPortPrivates[0].ptr = (pointer)(pPortPriv);
adapt->pAttributes = Attributes;
adapt->nImages = NUM_IMAGES;
adapt->nAttributes = NUM_ATTRIBUTES;
adapt->pImages = Images;
adapt->PutVideo = NULL;
adapt->PutStill = NULL;
adapt->GetVideo = NULL;
adapt->GetStill = NULL;
adapt->StopVideo = mach64StopVideo;
adapt->SetPortAttribute = mach64SetPortAttribute;
adapt->GetPortAttribute = mach64GetPortAttribute;
adapt->QueryBestSize = mach64QueryBestSize;
adapt->PutImage = mach64PutImage;
adapt->ReputImage = mach64ReputImage;
adapt->QueryImageAttributes = mach64QueryImageAttributes;
pPortPriv->colorKey = mach64s->colorKey;
pPortPriv->videoOn = FALSE;
pPortPriv->brightness = 0;
pPortPriv->saturation = 0;
pPortPriv->currentBuf = 0;
pPortPriv->off_screen = 0;
pPortPriv->size = 0;
pPortPriv->offset = 0;
/* gotta uninit this someplace */
REGION_INIT(pScreen, &pPortPriv->clip, NullBox, 0);
mach64s->pAdaptor = adapt;
xvBrightness = MAKE_ATOM("XV_BRIGHTNESS");
xvSaturation = MAKE_ATOM("XV_SATURATION");
xvColorKey = MAKE_ATOM("XV_COLORKEY");
mach64ResetVideo(screen);
return adapt;
}
Bool mach64InitVideo(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
KdVideoAdaptorPtr *adaptors, *newAdaptors = NULL;
KdVideoAdaptorPtr newAdaptor = NULL;
int num_adaptors;
KdCardInfo *card = pScreenPriv->card;
Mach64CardInfo *mach64c = (Mach64CardInfo *) card->driver;
Mach64ScreenInfo *mach64s = (Mach64ScreenInfo *) screen->driver;
mach64s->pAdaptor = NULL;
if (!mach64c->media_reg)
return FALSE;
newAdaptor = mach64SetupImageVideo(pScreen);
num_adaptors = KdXVListGenericAdaptors(screen, &adaptors);
if(newAdaptor)
{
if(!num_adaptors)
{
num_adaptors = 1;
adaptors = &newAdaptor;
}
else
{
newAdaptors = xalloc((num_adaptors + 1) *
sizeof(KdVideoAdaptorPtr*));
if(newAdaptors)
{
memcpy(newAdaptors, adaptors,
num_adaptors * sizeof(KdVideoAdaptorPtr));
newAdaptors[num_adaptors] = newAdaptor;
adaptors = newAdaptors;
num_adaptors++;
}
}
}
if(num_adaptors)
KdXVScreenInit(pScreen, adaptors, num_adaptors);
if(newAdaptors)
xfree(newAdaptors);
return TRUE;
}
void
mach64FiniVideo (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
mach64ScreenInfo(pScreenPriv);
KdVideoAdaptorPtr adapt = mach64s->pAdaptor;
if (adapt)
{
Mach64PortPrivPtr pPortPriv = (Mach64PortPrivPtr)(&adapt->pPortPrivates[1]);
REGION_UNINIT (pScreen, &pPortPriv->clip);
xfree (adapt);
}
}
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