path: root/xc/programs/Xserver/hw/dmx/dmxpict.c

/* $XFree86$ */
/*
 * Copyright 2001,2002 Red Hat Inc., Durham, North Carolina.
 *
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation on the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/*
 * Authors:
 *   Kevin E. Martin <kem@redhat.com>
 *
 */

#include "dmx.h"
#include "dmxsync.h"
#include "dmxpict.h"
#include "dmxwindow.h"
#include "dmxpixmap.h"

#include "fb.h"
#include "pixmapstr.h"
#include "picture.h"
#include "picturestr.h"
#include "mipict.h"
#include "fbpict.h"

#if 0
#include "dmxgc.h"
#include "dmxgcops.h"
#include "dmxpixmap.h"
#include "dmxfont.h"

#include "gcstruct.h"
#include "migc.h"
#endif

Bool dmxPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats)
{
    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];
    PictureScreenPtr  ps;

    /* The shadow framebuffer only relies on FB to be initialized */
    if (dmxShadowFB) return fbPictureInit(pScreen, formats, nformats);

    if (!miPictureInit(pScreen, formats, nformats))
	return FALSE;

    if (!AllocatePicturePrivate(pScreen, dmxPictPrivateIndex,
				sizeof(dmxPictPrivRec)))
	return FALSE;

    ps = GetPictureScreen(pScreen);

    DMX_WRAP(CreatePicture,  dmxCreatePicture,  dmxScreen, ps);
    DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);

    DMX_WRAP(Composite,      dmxComposite,      dmxScreen, ps);
    DMX_WRAP(Glyphs,         dmxGlyphs,         dmxScreen, ps);
    DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);

    return TRUE;
}

static Picture dmxDoCreatePicture(PicturePtr pPicture)
{
    DrawablePtr               pDraw     = pPicture->pDrawable;
    PictFormatPtr             pFmt      = pPicture->pFormat;
    ScreenPtr                 pScreen   = pDraw->pScreen;
    DMXScreenInfo            *dmxScreen = &dmxScreens[pScreen->myNum];
    XRenderPictFormat        *pFormat;
    Drawable                  draw;
    int                       i         = 0;

    if (pPicture->pDrawable->type == DRAWABLE_WINDOW) {
	dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV((WindowPtr)(pDraw));

	if (!(draw = pWinPriv->window)) {
	    /* Window has not been created yet due to the window
	     * optimization.  Delay picture creation until window is
	     * mapped.
	     */
	    pWinPriv->hasPict = TRUE;
	    return 0;
	}
    } else {
	dmxPixPrivPtr  pPixPriv = DMX_GET_PIXMAP_PRIV((PixmapPtr)(pDraw));

	if (!(draw = pPixPriv->pixmap)) {
	    /* FIXME: Zero width/height pixmap?? */
	    return 0;
	}
    }

    while (++i) {
	pFormat = XRenderFindFormat(dmxScreen->display, 0, 0, i);
	if (!pFormat) break;

	if (pFormat->type             != pFmt->type)             continue;
	if (pFormat->depth            != pFmt->depth)            continue;
	if (pFormat->direct.red       != pFmt->direct.red)       continue;
	if (pFormat->direct.redMask   != pFmt->direct.redMask)   continue;
	if (pFormat->direct.green     != pFmt->direct.green)     continue;
	if (pFormat->direct.greenMask != pFmt->direct.greenMask) continue;
	if (pFormat->direct.blue      != pFmt->direct.blue)      continue;
	if (pFormat->direct.blueMask  != pFmt->direct.blueMask)  continue;
	if (pFormat->direct.alpha     != pFmt->direct.alpha)     continue;
	if (pFormat->direct.alphaMask != pFmt->direct.alphaMask) continue;

	/* We have a match! */
	break;
    }

    return XRenderCreatePicture(dmxScreen->display, draw, pFormat, 0, 0);
}

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);
	/* FIXME: Does ValidatePicture take care of the state changes?? */

	pPicture = pPicture->pNext;
    }
}

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;
}

void dmxDestroyPictureList(WindowPtr pWindow)
{
    ScreenPtr      pScreen   = pWindow->drawable.pScreen;
    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
    PicturePtr     pPicture = GetPictureWindow(pWindow);

    while (pPicture) {
	dmxPictPrivPtr  pPictPriv = DMX_GET_PICT_PRIV(pPicture);
	if (pPictPriv->pict) {
	    XRenderFreePicture(dmxScreen->display, pPictPriv->pict);
	    pPictPriv->pict = (Picture)0;
	}

	pPicture = pPicture->pNext;
    }
}

void dmxDestroyPicture(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(DestroyPicture, dmxScreen, ps);

    /* Destroy picture on back-end server */
    if (pPictPriv->pict) {
	XRenderFreePicture(dmxScreen->display, pPictPriv->pict);
	dmxSync(dmxScreen, False);
	pPictPriv->pict = (Picture)0;
    }

#if 1
    if (ps->DestroyPicture)
	ps->DestroyPicture(pPicture);
#endif
    DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
}

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->display,
					    pPictPriv->pict,
					    0, 0,
					    pRects,
					    nRects);
	    xfree(pRects);
	} else {
	    XRenderSetPictureClipRectangles(dmxScreen->display,
					    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;
}

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->display,
					pPictPriv->pict,
					0, 0, NULL, 0);
	dmxSync(dmxScreen, False);
    } else {
	/* FIXME: Handle destroying clip region when offscreen */
    }

    DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
}

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);
}

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->repeat;
	if (mask & CPAlphaMap) {
	    dmxPictPrivPtr  pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap);
	    if (pAlphaPriv->pict) {
		attribs.alpha_map = pAlphaPriv->pict;
	    } else {
		/* FIXME: alpha picture window/pixmap has not been created?? */
		return;
	    }
	}
	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 (FIXME??) */
	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 & CPDither)
	    attribs.dither = pPicture->dither;
	if (mask & CPComponentAlpha)
	    attribs.component_alpha = pPicture->componentAlpha;

	XRenderChangePicture(dmxScreen->display, pPictPriv->pict,
			     mask, &attribs);
	dmxSync(dmxScreen, False);
    } else {
	/* FIXME: ERROR?!?! */
	pPictPriv->savedMask |= mask;
    }

#if 1
    if (ps->ValidatePicture)
	ps->ValidatePicture(pPicture, mask);
#endif

    DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
}

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->display,
			 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);
}

void dmxGlyphs(CARD8 op,
	       PicturePtr pSrc, PicturePtr pDst,
	       PictFormatPtr maskFormat,
	       INT16 xSrc, INT16 ySrc,
	       int nlists, GlyphListPtr lists, GlyphPtr *glyphs)
{
}

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->display,
			      op,
			      pPictPriv->pict,
			      (XRenderColor *)color,
			      (XRectangle *)rects,
			      nRect);
	dmxSync(dmxScreen, False);
    }

    DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
}

Bool dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
{
    return TRUE;
}

void dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
{
}

void dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat,
		      int ndef, xColorItem *pdef)
{
}