/** Destroy the picture's list of clip rectangles. */
void
dmxDestroyPictureClip(PicturePtr pPicture)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
DMX_UNWRAP(DestroyPictureClip, dmxScreen, ps);
#if 1
if (ps->DestroyPictureClip)
ps->DestroyPictureClip(pPicture);
#endif
/* Destroy picture clip rects on back-end server */
if (pPictPriv->pict) {
XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
pPictPriv->pict, 0, 0, NULL, 0);
dmxSync(dmxScreen, FALSE);
}
else {
/* FIXME: Handle destroying clip region when offscreen */
}
DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
}
/** Fill a rectangle on the appropriate screen by combining the color
* with the dest picture in the area specified by the list of
* rectangles. For a complete description see the protocol document of
* the RENDER library. */
void
dmxCompositeRects(CARD8 op,
PicturePtr pDst,
xRenderColor * color, int nRect, xRectangle *rects)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pDst);
DMX_UNWRAP(CompositeRects, dmxScreen, ps);
#if 0
if (ps->CompositeRects)
ps->CompositeRects(op, pDst, color, nRect, rects);
#endif
/* CompositeRects on back-end server */
if (pPictPriv->pict) {
XRenderFillRectangles(dmxScreen->beDisplay,
op,
pPictPriv->pict,
(XRenderColor *) color,
(XRectangle *) rects, nRect);
dmxSync(dmxScreen, FALSE);
}
DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
}
/** Set the picture filter on each screen. */
static int
dmxProcRenderSetPictureFilter(ClientPtr client)
{
DMXScreenInfo *dmxScreen;
PicturePtr pPicture;
dmxPictPrivPtr pPictPriv;
char *filter;
XFixed *params;
int nparams;
REQUEST(xRenderSetPictureFilterReq);
REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
/* For the following to work with PanoramiX, it assumes that Render
* wraps the ProcRenderVector after dmxRenderInit has been called.
*/
dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
pPictPriv = DMX_GET_PICT_PRIV(pPicture);
if (pPictPriv->pict) {
filter = (char *) (stuff + 1);
params = (XFixed *) (filter + ((stuff->nbytes + 3) & ~3));
nparams = ((XFixed *) stuff + client->req_len) - params;
XRenderSetPictureFilter(dmxScreen->beDisplay,
pPictPriv->pict, filter, params, nparams);
dmxSync(dmxScreen, FALSE);
}
return dmxSaveRenderVector[stuff->renderReqType] (client);
}
/** Change the picture's list of clip rectangles. */
int dmxChangePictureClip(PicturePtr pPicture, int clipType,
pointer value, int n)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
DMX_UNWRAP(ChangePictureClip, dmxScreen, ps);
#if 1
if (ps->ChangePictureClip)
ps->ChangePictureClip(pPicture, clipType, value, n);
#endif
/* Change picture clip rects on back-end server */
if (pPictPriv->pict) {
/* The clip has already been changed into a region by the mi
* routine called above.
*/
if (pPicture->clientClip) {
RegionPtr pClip = pPicture->clientClip;
BoxPtr pBox = REGION_RECTS(pClip);
int nBox = REGION_NUM_RECTS(pClip);
XRectangle *pRects;
XRectangle *pRect;
int nRects;
nRects = nBox;
pRects = pRect = xalloc(nRects * sizeof(*pRect));
while (nBox--) {
pRect->x = pBox->x1;
pRect->y = pBox->y1;
pRect->width = pBox->x2 - pBox->x1;
pRect->height = pBox->y2 - pBox->y1;
pBox++;
pRect++;
}
XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
pPictPriv->pict,
0, 0,
pRects,
nRects);
xfree(pRects);
} else {
XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
pPictPriv->pict,
0, 0, NULL, 0);
}
dmxSync(dmxScreen, FALSE);
} else {
/* FIXME: Handle saving clip region when offscreen */
}
DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
return Success;
}
/** Composite a picture on the appropriate screen by combining the
* specified rectangle of the transformed src and mask operands with
* the specified rectangle of the dst using op as the compositing
* operator. For a complete description see the protocol document of
* the RENDER library. */
void dmxComposite(CARD8 op,
PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
INT16 xSrc, INT16 ySrc,
INT16 xMask, INT16 yMask,
INT16 xDst, INT16 yDst,
CARD16 width, CARD16 height)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
dmxPictPrivPtr pMaskPriv = NULL;
dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
if (pMask) pMaskPriv = DMX_GET_PICT_PRIV(pMask);
DMX_UNWRAP(Composite, dmxScreen, ps);
#if 0
if (ps->Composite)
ps->Composite(op, pSrc, pMask, pDst,
xSrc, ySrc, xMask, yMask, xDst, yDst,
width, height);
#endif
/* Composite on back-end server */
if (pSrcPriv->pict && pDstPriv->pict &&
((pMaskPriv && pMaskPriv->pict) || !pMaskPriv)) {
XRenderComposite(dmxScreen->beDisplay,
op,
pSrcPriv->pict,
pMaskPriv ? pMaskPriv->pict : None,
pDstPriv->pict,
xSrc, ySrc,
xMask, yMask,
xDst, yDst,
width, height);
dmxSync(dmxScreen, FALSE);
}
DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
}
/** Create \a pPicture on the backend. */
int dmxBECreatePicture(PicturePtr pPicture)
{
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
/* Create picutre on BE */
pPictPriv->pict = dmxDoCreatePicture(pPicture);
/* Flush changes to the backend server */
dmxValidatePicture(pPicture, (1 << (CPLastBit+1)) - 1);
return Success;
}
/** Composite a triangle fan on the appropriate screen. For a complete
* description see the protocol document of the RENDER library. */
void dmxTriFan(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc, INT16 ySrc,
int npoint, xPointFixed *points)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
DMX_UNWRAP(TriFan, dmxScreen, ps);
#if 0
if (ps->TriFan)
ps->TriFan(op, pSrc, pDst, maskFormat, xSrc, ySrc, npoint, *points);
#endif
/* Draw trapezoids on back-end server */
if (pDstPriv->pict) {
XRenderPictFormat *pFormat;
pFormat = dmxFindFormat(dmxScreen, maskFormat);
if (!pFormat) {
/* FIXME: Error! */
}
XRenderCompositeTriFan(dmxScreen->beDisplay,
op,
pSrcPriv->pict,
pDstPriv->pict,
pFormat,
xSrc, ySrc,
(XPointFixed *)points,
npoint);
dmxSync(dmxScreen, FALSE);
}
DMX_WRAP(TriFan, dmxTriFan, dmxScreen, ps);
}
/** Destroy \a pPicture on the back-end server. */
Bool dmxBEFreePicture(PicturePtr pPicture)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
if (pPictPriv->pict) {
XRenderFreePicture(dmxScreen->beDisplay, pPictPriv->pict);
pPictPriv->pict = (Picture)0;
return TRUE;
}
return FALSE;
}
/** Create a list of pictures. This function is called by
* dmxCreateAndRealizeWindow() during the lazy window creation
* realization process. It creates the entire list of pictures that
* are associated with the given window. */
void dmxCreatePictureList(WindowPtr pWindow)
{
PicturePtr pPicture = GetPictureWindow(pWindow);
while (pPicture) {
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
/* Create the picture for this window */
pPictPriv->pict = dmxDoCreatePicture(pPicture);
/* ValidatePicture takes care of the state changes */
pPicture = pPicture->pNext;
}
}
/** Change the attributes of the pictures. If the picture has not yet
* been created due to lazy window creation, save the mask so that it
* can be used to appropriately initialize the picture's attributes
* when it is created later. */
void dmxChangePicture(PicturePtr pPicture, Mask mask)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
DMX_UNWRAP(ChangePicture, dmxScreen, ps);
#if 1
if (ps->ChangePicture)
ps->ChangePicture(pPicture, mask);
#endif
/* Picture attribute changes are handled in ValidatePicture */
pPictPriv->savedMask |= mask;
DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
}
/** Create a picture. This function handles the CreatePicture
* unwrapping/wrapping and calls dmxDoCreatePicture to actually create
* the picture on the appropriate screen. */
int dmxCreatePicture(PicturePtr pPicture)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
int ret = Success;
DMX_UNWRAP(CreatePicture, dmxScreen, ps);
#if 1
if (ps->CreatePicture)
ret = ps->CreatePicture(pPicture);
#endif
/* Create picture on back-end server */
pPictPriv->pict = dmxDoCreatePicture(pPicture);
pPictPriv->savedMask = 0;
DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
return ret;
}
/** Set the picture transform on each screen. */
static int
dmxProcRenderSetPictureTransform(ClientPtr client)
{
DMXScreenInfo *dmxScreen;
PicturePtr pPicture;
dmxPictPrivPtr pPictPriv;
XTransform xform;
REQUEST(xRenderSetPictureTransformReq);
REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
/* For the following to work with PanoramiX, it assumes that Render
* wraps the ProcRenderVector after dmxRenderInit has been called.
*/
dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
pPictPriv = DMX_GET_PICT_PRIV(pPicture);
if (pPictPriv->pict) {
xform.matrix[0][0] = stuff->transform.matrix11;
xform.matrix[0][1] = stuff->transform.matrix12;
xform.matrix[0][2] = stuff->transform.matrix13;
xform.matrix[1][0] = stuff->transform.matrix21;
xform.matrix[1][1] = stuff->transform.matrix22;
xform.matrix[1][2] = stuff->transform.matrix23;
xform.matrix[2][0] = stuff->transform.matrix31;
xform.matrix[2][1] = stuff->transform.matrix32;
xform.matrix[2][2] = stuff->transform.matrix33;
XRenderSetPictureTransform(dmxScreen->beDisplay,
pPictPriv->pict, &xform);
dmxSync(dmxScreen, FALSE);
}
return dmxSaveRenderVector[stuff->renderReqType] (client);
}
/** Composite glyphs on each screen into the requested picture. If
* either the src or dest picture has not been allocated due to lazy
* window creation, this request will gracefully return. */
static int
dmxProcRenderCompositeGlyphs(ClientPtr client)
{
int ret;
REQUEST(xRenderCompositeGlyphsReq);
ret = dmxSaveRenderVector[stuff->renderReqType] (client);
/* For the following to work with PanoramiX, it assumes that Render
* wraps the ProcRenderVector after dmxRenderInit has been called.
*/
if (ret == Success) {
PicturePtr pSrc;
dmxPictPrivPtr pSrcPriv;
PicturePtr pDst;
dmxPictPrivPtr pDstPriv;
PictFormatPtr pFmt;
XRenderPictFormat *pFormat;
int size;
int scrnNum;
DMXScreenInfo *dmxScreen;
CARD8 *buffer;
CARD8 *end;
int space;
int nglyph;
char *glyphs;
char *curGlyph;
xGlyphElt *elt;
int nelt;
XGlyphElt8 *elts;
XGlyphElt8 *curElt;
GlyphSetPtr glyphSet;
dmxGlyphPrivPtr glyphPriv;
dixLookupResourceByType((pointer *) &pSrc,
stuff->src, PictureType, client, DixReadAccess);
pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
if (!pSrcPriv->pict)
return ret;
dixLookupResourceByType((pointer *) &pDst,
stuff->dst, PictureType,
client, DixWriteAccess);
pDstPriv = DMX_GET_PICT_PRIV(pDst);
if (!pDstPriv->pict)
return ret;
scrnNum = pDst->pDrawable->pScreen->myNum;
dmxScreen = &dmxScreens[scrnNum];
/* Note: If the back-end display has been detached, then it
* should not be possible to reach here since the pSrcPriv->pict
* and pDstPriv->pict will have already been set to 0.
*/
if (!dmxScreen->beDisplay)
return ret;
if (stuff->maskFormat)
dixLookupResourceByType((pointer *) &pFmt,
stuff->maskFormat, PictFormatType,
client, DixReadAccess);
else
pFmt = NULL;
pFormat = dmxFindFormat(dmxScreen, pFmt);
switch (stuff->renderReqType) {
case X_RenderCompositeGlyphs8:
size = sizeof(CARD8);
break;
case X_RenderCompositeGlyphs16:
size = sizeof(CARD16);
break;
case X_RenderCompositeGlyphs32:
size = sizeof(CARD32);
break;
default:
return BadPictOp; /* Can't happen */
}
buffer = (CARD8 *) (stuff + 1);
end = (CARD8 *) stuff + (stuff->length << 2);
nelt = 0;
nglyph = 0;
while (buffer + sizeof(xGlyphElt) < end) {
elt = (xGlyphElt *) buffer;
buffer += sizeof(xGlyphElt);
if (elt->len == 0xff) {
buffer += 4;
}
else {
nelt++;
nglyph += elt->len;
space = size * elt->len;
if (space & 3)
space += 4 - (space & 3);
buffer += space;
}
}
/* The following only works for Render version > 0.2 */
/* All of the XGlyphElt* structure sizes are identical */
elts = malloc(nelt * sizeof(XGlyphElt8));
if (!elts)
return BadAlloc;
glyphs = malloc(nglyph * size);
if (!glyphs) {
free(elts);
return BadAlloc;
}
buffer = (CARD8 *) (stuff + 1);
end = (CARD8 *) stuff + (stuff->length << 2);
curGlyph = glyphs;
curElt = elts;
dixLookupResourceByType((pointer *) &glyphSet,
stuff->glyphset, GlyphSetType,
client, DixReadAccess);
glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
while (buffer + sizeof(xGlyphElt) < end) {
elt = (xGlyphElt *) buffer;
buffer += sizeof(xGlyphElt);
if (elt->len == 0xff) {
dixLookupResourceByType((pointer *) &glyphSet,
*((CARD32 *) buffer),
GlyphSetType, client, DixReadAccess);
glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
buffer += 4;
}
else {
curElt->glyphset = glyphPriv->glyphSets[scrnNum];
curElt->xOff = elt->deltax;
curElt->yOff = elt->deltay;
curElt->nchars = elt->len;
curElt->chars = curGlyph;
memcpy(curGlyph, buffer, size * elt->len);
curGlyph += size * elt->len;
curElt++;
space = size * elt->len;
if (space & 3)
space += 4 - (space & 3);
buffer += space;
}
}
switch (stuff->renderReqType) {
case X_RenderCompositeGlyphs8:
XRenderCompositeText8(dmxScreen->beDisplay, stuff->op,
pSrcPriv->pict, pDstPriv->pict,
pFormat,
stuff->xSrc, stuff->ySrc, 0, 0, elts, nelt);
break;
case X_RenderCompositeGlyphs16:
XRenderCompositeText16(dmxScreen->beDisplay, stuff->op,
pSrcPriv->pict, pDstPriv->pict,
pFormat,
stuff->xSrc, stuff->ySrc,
0, 0, (XGlyphElt16 *) elts, nelt);
break;
case X_RenderCompositeGlyphs32:
XRenderCompositeText32(dmxScreen->beDisplay, stuff->op,
pSrcPriv->pict, pDstPriv->pict,
pFormat,
stuff->xSrc, stuff->ySrc,
0, 0, (XGlyphElt32 *) elts, nelt);
break;
}
dmxSync(dmxScreen, FALSE);
free(elts);
free(glyphs);
}
return ret;
}
/** Validate the picture's attributes before rendering to it. Update
* any picture attributes that have been changed by one of the higher
* layers. */
void
dmxValidatePicture(PicturePtr pPicture, Mask mask)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
DMX_UNWRAP(ValidatePicture, dmxScreen, ps);
/* Change picture attributes on back-end server */
if (pPictPriv->pict) {
XRenderPictureAttributes attribs;
if (mask & CPRepeat) {
attribs.repeat = pPicture->repeatType;
}
if (mask & CPAlphaMap) {
if (pPicture->alphaMap) {
dmxPictPrivPtr pAlphaPriv;
pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap);
if (pAlphaPriv->pict) {
attribs.alpha_map = pAlphaPriv->pict;
}
else {
/* FIXME: alpha picture drawable has not been created?? */
return; /* or should this be: attribs.alpha_map = None; */
}
}
else {
attribs.alpha_map = None;
}
}
if (mask & CPAlphaXOrigin)
attribs.alpha_x_origin = pPicture->alphaOrigin.x;
if (mask & CPAlphaYOrigin)
attribs.alpha_y_origin = pPicture->alphaOrigin.y;
if (mask & CPClipXOrigin)
attribs.clip_x_origin = pPicture->clipOrigin.x;
if (mask & CPClipYOrigin)
attribs.clip_y_origin = pPicture->clipOrigin.y;
if (mask & CPClipMask)
mask &= ~CPClipMask; /* Handled in ChangePictureClip */
if (mask & CPGraphicsExposure)
attribs.graphics_exposures = pPicture->graphicsExposures;
if (mask & CPSubwindowMode)
attribs.subwindow_mode = pPicture->subWindowMode;
if (mask & CPPolyEdge)
attribs.poly_edge = pPicture->polyEdge;
if (mask & CPPolyMode)
attribs.poly_mode = pPicture->polyMode;
if (mask & CPComponentAlpha)
attribs.component_alpha = pPicture->componentAlpha;
XRenderChangePicture(dmxScreen->beDisplay, pPictPriv->pict,
mask, &attribs);
dmxSync(dmxScreen, FALSE);
}
else {
pPictPriv->savedMask |= mask;
}
#if 1
if (ps->ValidatePicture)
ps->ValidatePicture(pPicture, mask);
#endif
DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
}