/* $Xorg: blend.c,v 1.3 2000/08/17 19:54:24 cpqbld Exp $ */

/**** module blend.c ****/
/******************************************************************************

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*****************************************************************************
  
	blend.c -- blend flo element tests 

	Syd Logan -- AGE Logic, Inc.
  
*****************************************************************************/
/* $XFree86: xc/programs/xieperf/blend.c,v 1.5 2001/01/17 23:45:36 dawes Exp $ */

#include "xieperf.h"
#include <stdio.h>

static XieRoi XIERoi;
static XieLut XIELut;
static XiePhotomap alpha;
static XiePhotomap ControlPlane;
static XIEimage *image1, *image2;
static XiePhotomap XIEPhotomap1, XIEPhotomap2, XIEPhotomap3;

static int monoflag = 0;

static int flo_notify;
static int flo_elements;
static XieProcessDomain domain;
static XiePhotoElement *flograph;
static int decode_notify;
static XiePhotoflo flo;
static XieRectangle *rects;

int 
InitBlend(XParms xp, Parms p, int reps)
{
	int	i, idx;
	int	useDomain;
	int	numROIs;
	int	bandMask;
	XieConstant constant;
	float alphaConstant;
	int	src1, src2, alphasrc;

        useDomain = ( ( BlendParms * )p->ts )->useDomain;
        numROIs = ( ( BlendParms * )p->ts )->numROIs;
        bandMask = ( ( BlendParms * )p->ts )->bandMask;
        constant[ 0 ] = (( BlendParms * )p->ts)->constant[ 0 ];
        constant[ 1 ] = (( BlendParms * )p->ts)->constant[ 1 ];
        constant[ 2 ] = (( BlendParms * )p->ts)->constant[ 2 ];
        alphaConstant = (( BlendParms * )p->ts)->alphaConstant;

	image1 = p->finfo.image1;
        if ( !image1 )
                return( 0 );

        image2 = p->finfo.image2;

        if ( image2 )
                flo_elements = 4;
        else
                flo_elements = 3;

        if ( useDomain == DomainROI || useDomain == DomainCtlPlane )
                flo_elements++;

	alpha = ControlPlane = XIEPhotomap1 = 
		XIEPhotomap2 = XIEPhotomap3 = ( XiePhotomap ) NULL; 
        XIERoi = ( XieRoi ) NULL;
        XIELut = ( XieLut ) NULL;
        flograph = ( XiePhotoElement * ) NULL;
        flo = ( XiePhotoflo ) NULL;
	monoflag = 0;
	src1 = src2 = alphasrc = 0;

        if ( xp->screenDepth != image1->depth[ 0 ] )
        {
		monoflag = 1;
                flo_elements+=2;
                if ( ( XIELut = CreatePointLut( xp, p,
                        1 << image1->depth[ 0 ], 
			1 << xp->screenDepth, False ) )
                        == ( XieLut ) NULL )
                {
			return( 0 );
		}
        }

        rects = ( XieRectangle * ) NULL;
        if ( useDomain == DomainROI )
        {
                rects = (XieRectangle *)
                        malloc( numROIs * sizeof( XieRectangle ) );
                if ( rects == ( XieRectangle * ) NULL )
                        reps = 0;
                else
                {
                        for ( i = 0; i < numROIs; i++ )
                        {
                                rects[ i ].x = i * 100;
                                rects[ i ].y = 0;
                                rects[ i ].width = 100;
                                rects[ i ].height = 200;
                        }
                }
        }
        else if ( useDomain == DomainCtlPlane )
        {
		ControlPlane = GetControlPlane( xp, 2 );
		if ( ControlPlane == ( XiePhotomap ) NULL )
			reps = 0;
	}

        if ( reps && p->finfo.image3 != ( XIEimage * ) NULL )
        {
                /* alpha plane */

		flo_elements++;

                if ( ( alpha = GetXIEPhotomap( xp, p, 3 ) ) == ( XiePhotomap ) NULL )
                {
                        reps = 0;
                }
        }

        if ( reps )
        {
                flograph = XieAllocatePhotofloGraph( flo_elements );
                if ( flograph == ( XiePhotoElement * ) NULL )
                {
                        fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
                        reps = 0;
                }
                else if ( ( XIEPhotomap1 =
                        GetXIEPhotomap( xp, p, 1 ) ) == ( XiePhotomap ) NULL )
                {
                        reps = 0;
                }
                else if ( image2 )
                {
                        if ( ( XIEPhotomap2 = GetXIEPhotomap( xp, p, 2 ) ) ==
                                ( XiePhotomap ) NULL )
                        {
                                reps = 0;
                        }
                }

                if ( useDomain == DomainROI )
                {
                        if ( ( XIERoi = GetXIERoi( xp, p, rects, numROIs ) ) ==
                                ( XieRoi ) NULL )
                        {
                                reps = 0;
                        }
                }
        }
        if ( reps )
        {
                idx = 0;

                domain.offset_x = 0;
                domain.offset_y = 0;

                if ( useDomain == DomainROI )
                {
                        XieFloImportROI(&flograph[idx], XIERoi);
                        idx++;
                        domain.phototag = idx;
                }
                else if ( useDomain == DomainCtlPlane )
                {
                        XieFloImportPhotomap(&flograph[idx], ControlPlane, False
);
                        idx++;
                        domain.phototag = idx;
                }
                else
                {
                        domain.phototag = 0;
                }

                XieFloImportPhotomap(&flograph[idx], XIEPhotomap1, False );
                idx++;
                src1 = idx;

                if ( image2 )

                {
                        XieFloImportPhotomap(&flograph[idx], XIEPhotomap2,
                                False );
                        idx++;
                        src2 = idx;
                }
                else
                        src2 = 0;

                if ( alpha != ( XiePhotomap ) NULL )
                {
                        XieFloImportPhotomap(&flograph[idx], alpha, 
				decode_notify); 
			idx++;	
			alphasrc = idx;
                }

                XieFloBlend(&flograph[idx],
                        src1,
                        src2,
                        constant,
                        ( alpha != ( XiePhotomap ) NULL ? alphasrc : 0 ),
                        alphaConstant,
                        &domain,
                        bandMask ); 
		idx++;

                if ( monoflag )
                {
                        XieFloImportLUT(&flograph[idx], XIELut );
                        idx++;

                        domain.phototag = 0;
                        domain.offset_x = 0;
                        domain.offset_y = 0;
                        XieFloPoint(&flograph[idx],
                                idx-1,
                                &domain,
                                idx,
                                0x7
                        );
                        idx++;
                }

                XieFloExportDrawable(&flograph[idx],
                        idx,            /* source phototag number */
                        xp->w,
                        xp->fggc,
                        0,       /* x offset in window */
                        0        /* y offset in window */
                );

                idx++;

                flo = XieCreatePhotoflo( xp->d, flograph, flo_elements );
                flo_notify = True;
        }
        if ( !reps )
        {
                FreeBlendStuff( xp, p );
        }
        return( reps );
}

void 
DoBlend(XParms xp, Parms p, int reps)
{
    	int     i;

    	for (i = 0; i != reps; i++) {
		XieExecutePhotoflo( xp->d, flo, flo_notify );
		WaitForXIEEvent( xp, xieEvnNoPhotofloDone, flo, 0, False );
    	}
}

void
EndBlend(XParms xp, Parms p)
{
	FreeBlendStuff( xp, p );
}

void
FreeBlendStuff(XParms xp, Parms p)
{
	if ( rects )
	{
		free( rects );
		rects = ( XieRectangle * ) NULL;
	}
	if ( XIEPhotomap1 && IsPhotomapInCache( XIEPhotomap1 ) == False )
	{
		XieDestroyPhotomap( xp->d, XIEPhotomap1 );
		XIEPhotomap1 = ( XiePhotomap ) NULL;
	}
	if ( XIEPhotomap2 && IsPhotomapInCache( XIEPhotomap2 ) == False )
	{
		XieDestroyPhotomap( xp->d, XIEPhotomap2 );
		XIEPhotomap2 = ( XiePhotomap ) NULL;
	}
        if ( ControlPlane != ( XiePhotomap ) NULL && IsPhotomapInCache( ControlPlane ) == False )
        {
                XieDestroyPhotomap( xp->d, ControlPlane );
                ControlPlane = ( XiePhotomap ) NULL;
        }
	if ( XIELut )
	{
		XieDestroyLUT( xp->d, XIELut );
		XIELut = ( XieLut ) NULL;
	}
	if ( XIERoi )
	{
		XieDestroyROI( xp->d, XIERoi );
		XIERoi = ( XieRoi ) NULL;
	}
	if ( alpha != ( XiePhotomap ) NULL && IsPhotomapInCache( alpha ) == False )
	{
		XieDestroyPhotomap( xp->d, alpha );
		alpha = ( XiePhotomap ) NULL;
	}
	if ( flograph )
	{
		XieFreePhotofloGraph(flograph,flo_elements);
		flograph = ( XiePhotoElement * ) NULL;
	}
	if ( flo )
	{
		XieDestroyPhotoflo( xp->d, flo );
		flo = ( XiePhotoflo ) NULL;
	}
}