833 lines
24 KiB
C
833 lines
24 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: mcdline.c
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*
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* Contains all of the line-rendering routines for the Millenium MCD driver.
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*
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* Copyright (c) 1996 Microsoft Corporation
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\**************************************************************************/
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#include "precomp.h"
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#include "mcdhw.h"
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#include "mcdutil.h"
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#include "mcdmath.h"
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//#undef CHECK_FIFO_FREE
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//#define CHECK_FIFO_FREE
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VOID FASTCALL __MCDRenderFlatLine(DEVRC *pRc, MCDVERTEX *a, MCDVERTEX *b, BOOL resetLine)
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{
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PDEV *ppdev = pRc->ppdev;
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BYTE *pjBase = ppdev->pjBase;
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ULONG clipNum;
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RECTL *pClip;
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MCDFLOAT invLength;
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MCDCOLOR *ac;
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LONG ix0, ix1, iy0, iy1;
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LONG idx, idy;
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LONG absIdx, absIdy;
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LONG x0frac, x1frac, y0frac, y1frac, totDist;
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LONG numPixels;
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LARGE_INTEGER idz, iZStart;
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LONG err;
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ULONG signs;
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ULONG adjust = 0;
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LONG majorInc;
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LONG minorInc;
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if ((clipNum = pRc->pEnumClip->c) > 1) {
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pClip = &pRc->pEnumClip->arcl[0];
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(*pRc->HWSetupClipRect)(pRc, pClip++);
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}
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x0frac = __MCD_VERTEX_FLOAT_FRACTION(a->windowCoord.x);
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y0frac = __MCD_VERTEX_FLOAT_FRACTION(a->windowCoord.y);
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ix0 = __MCD_VERTEX_FLOAT_TO_INT(a->windowCoord.x);
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iy0 = __MCD_VERTEX_FLOAT_TO_INT(a->windowCoord.y);
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x1frac = __MCD_VERTEX_FLOAT_FRACTION(b->windowCoord.x);
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y1frac = __MCD_VERTEX_FLOAT_FRACTION(b->windowCoord.y);
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ix1 = __MCD_VERTEX_FLOAT_TO_INT(b->windowCoord.x);
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iy1 = __MCD_VERTEX_FLOAT_TO_INT(b->windowCoord.y);
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absIdx = idx = ix1 - ix0;
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if (absIdx < 0)
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absIdx = -absIdx;
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absIdy = idy = iy1 - iy0;
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if (absIdy < 0)
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absIdy = -absIdy;
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if (absIdx > absIdy) {
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signs = sdydxl_MAJOR_X;
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if (idx > 0) {
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signs |= sdxl_ADD;
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if (pRc->privateEnables & __MCDENABLE_Z) {
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__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
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b->windowCoord.x - a->windowCoord.x,
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&invLength);
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}
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y0frac -= __MCD_VERTEX_FRAC_HALF;
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if (y0frac < 0) y0frac = -y0frac;
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totDist = y0frac + x0frac - __MCD_VERTEX_FRAC_ONE;
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if (totDist > 0) {
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ix0++;
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adjust++;
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}
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y1frac -= __MCD_VERTEX_FRAC_HALF;
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if (y1frac < 0) y1frac = -y1frac;
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totDist = y1frac + x1frac - __MCD_VERTEX_FRAC_ONE;
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if (totDist > 0) ix1++;
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numPixels = ix1 - ix0;
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} else {
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signs |= sdxl_SUB;
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if (pRc->privateEnables & __MCDENABLE_Z) {
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__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
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a->windowCoord.x - b->windowCoord.x,
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&invLength);
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}
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y0frac -= __MCD_VERTEX_FRAC_HALF;
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if (y0frac < 0) y0frac = -y0frac;
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totDist = y0frac - x0frac;
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if (totDist > 0) {
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ix0--;
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adjust++;
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}
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y1frac -= __MCD_VERTEX_FRAC_HALF;
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if (y1frac < 0) y1frac = -y1frac;
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totDist = y1frac - x1frac;
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if (totDist > 0) ix1--;
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numPixels = ix0 - ix1;
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}
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if (numPixels <= 0) {
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if (pRc->privateEnables & __MCDENABLE_Z)
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__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
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return;
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}
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majorInc = (absIdy << 1);
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minorInc = ((LONG)absIdy - (LONG)absIdx) << 1;
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if (idy < 0) {
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signs |= sdy_SUB;
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err = majorInc - (LONG)absIdx - 1;
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if (adjust) {
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if (err <= 0)
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err += majorInc;
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else {
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iy0--;
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err += minorInc;
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}
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}
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} else {
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signs |= sdy_ADD;
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err = majorInc - (LONG)absIdx;
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if (adjust) {
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if (err <= 0)
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err += majorInc;
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else {
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iy0++;
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err += minorInc;
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}
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}
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}
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} else {
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signs = sdydxl_MAJOR_Y;
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if (idy > 0) {
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signs |= sdy_ADD;
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if (pRc->privateEnables & __MCDENABLE_Z) {
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__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
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b->windowCoord.y - a->windowCoord.y,
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&invLength);
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}
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x0frac -= __MCD_VERTEX_FRAC_HALF;
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if (x0frac < 0) x0frac = -x0frac;
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totDist = y0frac + x0frac - __MCD_VERTEX_FRAC_ONE;
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if (totDist > 0) {
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iy0++;
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adjust++;
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}
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x1frac -= __MCD_VERTEX_FRAC_HALF;
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if (x1frac < 0) x1frac = -x1frac;
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totDist = y1frac + x1frac - __MCD_VERTEX_FRAC_ONE;
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if (totDist > 0) iy1++;
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numPixels = iy1 - iy0;
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} else {
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signs |= sdy_SUB;
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if (pRc->privateEnables & __MCDENABLE_Z) {
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__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
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a->windowCoord.y - b->windowCoord.y,
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&invLength);
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}
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x0frac -= __MCD_VERTEX_FRAC_HALF;
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if (x0frac < 0) x0frac = -x0frac;
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totDist = x0frac - y0frac;
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if (totDist > 0) {
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iy0--;
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adjust++;
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}
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x1frac -= __MCD_VERTEX_FRAC_HALF;
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if (x1frac < 0) x1frac = -x1frac;
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totDist = x1frac - y1frac;
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if (totDist > 0) iy1--;
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numPixels = iy0 - iy1;
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}
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if (numPixels <= 0) {
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if (pRc->privateEnables & __MCDENABLE_Z)
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__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
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return;
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}
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majorInc = (absIdx << 1);
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minorInc = ((LONG)absIdx - (LONG)absIdy) << 1;
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if (idx < 0) {
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signs |= sdxl_SUB;
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err = majorInc - (LONG)absIdy - 1;
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if (adjust) {
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if (err <= 0)
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err += majorInc;
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else {
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ix0--;
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err += minorInc;
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}
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}
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} else {
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signs |= sdxl_ADD;
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err = majorInc - (LONG)absIdy;
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if (adjust) {
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if (err <= 0)
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err += majorInc;
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else {
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ix0++;
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err += minorInc;
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}
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}
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}
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}
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if (pRc->privateEnables & __MCDENABLE_Z) {
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CHECK_FIFO_FREE(pjBase, pRc->cFifo, 3+3+6);
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#if _X86_ && ASM_ACCEL
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_asm{
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mov ebx, b
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mov eax, a
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fld DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][ebx]
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fsub DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][eax] // dz len
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mov ebx, pRc
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fld DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][eax] // a.z dz len
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fxch ST(2) // len dz a.z
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fmulp ST(1), ST //+1 // dzL a.z
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fxch ST(1) // a.z dzL
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fmul DWORD PTR [OFFSET(DEVRC.zScale)][ebx] // azS dzL
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fxch ST(1) // dzL azS
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fmul DWORD PTR [OFFSET(DEVRC.zScale)][ebx] //+1 // dzLS azS
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fxch ST(1) // azS dzLS
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fistp iZStart
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fistp idz
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}
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#else
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__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
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idz.LowPart = FTOL((b->windowCoord.z - a->windowCoord.z) * invLength * pRc->zScale);
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iZStart.LowPart = FTOL(a->windowCoord.z * pRc->zScale);
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#endif
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CP_WRITE(pjBase, DWG_DR2, idz.LowPart);
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CP_WRITE(pjBase, DWG_DR3, idz.LowPart);
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CP_WRITE(pjBase, DWG_DR0, iZStart.LowPart);
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} else {
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CHECK_FIFO_FREE(pjBase, pRc->cFifo, 3+6);
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}
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CP_WRITE(pjBase, DWG_AR0, majorInc);
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CP_WRITE(pjBase, DWG_AR1, err);
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CP_WRITE(pjBase, DWG_AR2, minorInc);
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CP_WRITE(pjBase, DWG_SGN, signs);
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CP_WRITE(pjBase, DWG_XDST, (ix0 + pRc->xOffset) & 0xffff);
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CP_WRITE(pjBase, DWG_YDSTLEN, ((iy0 + pRc->yOffset) << 16) | numPixels);
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#if _X86_ && ASM_ACCEL
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{
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LONG rTemp, gTemp, bTemp;
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_asm{
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mov eax, a
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mov ebx, pRc
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lea eax, [OFFSET(MCDVERTEX.colors) + eax]
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fld DWORD PTR [OFFSET(DEVRC.rScale)][ebx]
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fmul DWORD PTR [OFFSET(MCDCOLOR.r)][eax]
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fld DWORD PTR [OFFSET(DEVRC.gScale)][ebx]
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fmul DWORD PTR [OFFSET(MCDCOLOR.g)][eax]
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fld DWORD PTR [OFFSET(DEVRC.bScale)][ebx] // B G R
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fmul DWORD PTR [OFFSET(MCDCOLOR.b)][eax]
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fxch ST(2) // R G B
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fistp rTemp // G B
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fistp gTemp
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fistp bTemp
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}
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CP_WRITE(pjBase, DWG_DR4, rTemp);
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CP_WRITE(pjBase, DWG_DR8, gTemp);
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CP_START(pjBase, DWG_DR12, bTemp);
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}
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#else
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ac = &a->colors[0];
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CP_WRITE(pjBase, DWG_DR4, FTOL(ac->r * pRc->rScale));
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CP_WRITE(pjBase, DWG_DR8, FTOL(ac->g * pRc->gScale));
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CP_START(pjBase, DWG_DR12, FTOL(ac->b * pRc->bScale));
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#endif
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while (--clipNum) {
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(*pRc->HWSetupClipRect)(pRc, pClip++);
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CHECK_FIFO_FREE(pjBase, pRc->cFifo, 4);
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CP_WRITE(pjBase, DWG_DR0, iZStart.LowPart);
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CP_WRITE(pjBase, DWG_AR1, err);
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CP_WRITE(pjBase, DWG_XDST, (ix0 + pRc->xOffset) & 0xffff);
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CP_START(pjBase, DWG_YDSTLEN, ((iy0 + pRc->yOffset) << 16) | numPixels);
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}
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}
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VOID FASTCALL __MCDRenderSmoothLine(DEVRC *pRc, MCDVERTEX *a, MCDVERTEX *b, BOOL resetLine)
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{
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PDEV *ppdev = pRc->ppdev;
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BYTE *pjBase = ppdev->pjBase;
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ULONG clipNum;
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RECTL *pClip;
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MCDFLOAT dr, dg, db;
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ULONG idr, idg, idb;
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LONG iRStart, iGStart, iBStart;
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MCDFLOAT length, invLength;
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MCDCOLOR *ac, *bc;
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LONG ix0, ix1, iy0, iy1;
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LONG idx, idy;
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LONG absIdx, absIdy;
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LONG x0frac, x1frac, y0frac, y1frac, totDist;
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LONG numPixels;
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LARGE_INTEGER idz, iZStart;
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LONG err;
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ULONG signs;
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ULONG adjust = 0;
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LONG majorInc;
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|
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LONG minorInc;
|
||
|
|
|
||
|
|
if ((clipNum = pRc->pEnumClip->c) > 1) {
|
||
|
|
pClip = &pRc->pEnumClip->arcl[0];
|
||
|
|
(*pRc->HWSetupClipRect)(pRc, pClip++);
|
||
|
|
}
|
||
|
|
|
||
|
|
x0frac = __MCD_VERTEX_FLOAT_FRACTION(a->windowCoord.x);
|
||
|
|
y0frac = __MCD_VERTEX_FLOAT_FRACTION(a->windowCoord.y);
|
||
|
|
ix0 = __MCD_VERTEX_FLOAT_TO_INT(a->windowCoord.x);
|
||
|
|
iy0 = __MCD_VERTEX_FLOAT_TO_INT(a->windowCoord.y);
|
||
|
|
|
||
|
|
x1frac = __MCD_VERTEX_FLOAT_FRACTION(b->windowCoord.x);
|
||
|
|
y1frac = __MCD_VERTEX_FLOAT_FRACTION(b->windowCoord.y);
|
||
|
|
ix1 = __MCD_VERTEX_FLOAT_TO_INT(b->windowCoord.x);
|
||
|
|
iy1 = __MCD_VERTEX_FLOAT_TO_INT(b->windowCoord.y);
|
||
|
|
|
||
|
|
absIdx = idx = ix1 - ix0;
|
||
|
|
if (absIdx < 0)
|
||
|
|
absIdx = -absIdx;
|
||
|
|
|
||
|
|
absIdy = idy = iy1 - iy0;
|
||
|
|
if (absIdy < 0)
|
||
|
|
absIdy = -absIdy;
|
||
|
|
|
||
|
|
if (absIdx > absIdy) {
|
||
|
|
|
||
|
|
signs = sdydxl_MAJOR_X;
|
||
|
|
|
||
|
|
if (idx > 0) {
|
||
|
|
|
||
|
|
signs |= sdxl_ADD;
|
||
|
|
|
||
|
|
__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
|
||
|
|
b->windowCoord.x - a->windowCoord.x,
|
||
|
|
&invLength);
|
||
|
|
|
||
|
|
y0frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (y0frac < 0) y0frac = -y0frac;
|
||
|
|
|
||
|
|
totDist = y0frac + x0frac - __MCD_VERTEX_FRAC_ONE;
|
||
|
|
|
||
|
|
if (totDist > 0) {
|
||
|
|
ix0++;
|
||
|
|
adjust++;
|
||
|
|
}
|
||
|
|
|
||
|
|
y1frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (y1frac < 0) y1frac = -y1frac;
|
||
|
|
|
||
|
|
totDist = y1frac + x1frac - __MCD_VERTEX_FRAC_ONE;
|
||
|
|
if (totDist > 0) ix1++;
|
||
|
|
|
||
|
|
numPixels = ix1 - ix0;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
signs |= sdxl_SUB;
|
||
|
|
|
||
|
|
__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
|
||
|
|
a->windowCoord.x - b->windowCoord.x,
|
||
|
|
&invLength);
|
||
|
|
|
||
|
|
y0frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (y0frac < 0) y0frac = -y0frac;
|
||
|
|
|
||
|
|
totDist = y0frac - x0frac;
|
||
|
|
|
||
|
|
if (totDist > 0) {
|
||
|
|
ix0--;
|
||
|
|
adjust++;
|
||
|
|
}
|
||
|
|
|
||
|
|
y1frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (y1frac < 0) y1frac = -y1frac;
|
||
|
|
|
||
|
|
totDist = y1frac - x1frac;
|
||
|
|
if (totDist > 0) ix1--;
|
||
|
|
|
||
|
|
numPixels = ix0 - ix1;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (numPixels <= 0) {
|
||
|
|
__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (numPixels == 1)
|
||
|
|
goto shortLine;
|
||
|
|
|
||
|
|
majorInc = (absIdy << 1);
|
||
|
|
minorInc = ((LONG)absIdy - (LONG)absIdx) << 1;
|
||
|
|
|
||
|
|
if (idy < 0) {
|
||
|
|
signs |= sdy_SUB;
|
||
|
|
err = majorInc - (LONG)absIdx - 1;
|
||
|
|
|
||
|
|
if (adjust) {
|
||
|
|
if (err <= 0)
|
||
|
|
err += majorInc;
|
||
|
|
else {
|
||
|
|
iy0--;
|
||
|
|
err += minorInc;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
signs |= sdy_ADD;
|
||
|
|
err = majorInc - (LONG)absIdx;
|
||
|
|
|
||
|
|
if (adjust) {
|
||
|
|
if (err <= 0)
|
||
|
|
err += majorInc;
|
||
|
|
else {
|
||
|
|
iy0++;
|
||
|
|
err += minorInc;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
signs = sdydxl_MAJOR_Y;
|
||
|
|
|
||
|
|
if (idy > 0) {
|
||
|
|
|
||
|
|
signs |= sdy_ADD;
|
||
|
|
|
||
|
|
__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
|
||
|
|
b->windowCoord.y - a->windowCoord.y,
|
||
|
|
&invLength);
|
||
|
|
|
||
|
|
x0frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (x0frac < 0) x0frac = -x0frac;
|
||
|
|
|
||
|
|
totDist = y0frac + x0frac - __MCD_VERTEX_FRAC_ONE;
|
||
|
|
|
||
|
|
if (totDist > 0) {
|
||
|
|
iy0++;
|
||
|
|
adjust++;
|
||
|
|
}
|
||
|
|
|
||
|
|
x1frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (x1frac < 0) x1frac = -x1frac;
|
||
|
|
|
||
|
|
totDist = y1frac + x1frac - __MCD_VERTEX_FRAC_ONE;
|
||
|
|
if (totDist > 0) iy1++;
|
||
|
|
|
||
|
|
numPixels = iy1 - iy0;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
signs |= sdy_SUB;
|
||
|
|
|
||
|
|
__MCD_FLOAT_BEGIN_DIVIDE(__MCDONE,
|
||
|
|
a->windowCoord.y - b->windowCoord.y,
|
||
|
|
&invLength);
|
||
|
|
|
||
|
|
x0frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (x0frac < 0) x0frac = -x0frac;
|
||
|
|
|
||
|
|
totDist = x0frac - y0frac;
|
||
|
|
|
||
|
|
if (totDist > 0) {
|
||
|
|
iy0--;
|
||
|
|
adjust++;
|
||
|
|
}
|
||
|
|
|
||
|
|
x1frac -= __MCD_VERTEX_FRAC_HALF;
|
||
|
|
if (x1frac < 0) x1frac = -x1frac;
|
||
|
|
|
||
|
|
totDist = x1frac - y1frac;
|
||
|
|
if (totDist > 0) iy1--;
|
||
|
|
|
||
|
|
numPixels = iy0 - iy1;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (numPixels <= 0) {
|
||
|
|
__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (numPixels == 1)
|
||
|
|
goto shortLine;
|
||
|
|
|
||
|
|
majorInc = (absIdx << 1);
|
||
|
|
minorInc = ((LONG)absIdx - (LONG)absIdy) << 1;
|
||
|
|
|
||
|
|
if (idx < 0) {
|
||
|
|
|
||
|
|
signs |= sdxl_SUB;
|
||
|
|
err = majorInc - (LONG)absIdy - 1;
|
||
|
|
|
||
|
|
if (adjust) {
|
||
|
|
if (err <= 0)
|
||
|
|
err += majorInc;
|
||
|
|
else {
|
||
|
|
ix0--;
|
||
|
|
err += minorInc;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
signs |= sdxl_ADD;
|
||
|
|
err = majorInc - (LONG)absIdy;
|
||
|
|
|
||
|
|
if (adjust) {
|
||
|
|
if (err <= 0)
|
||
|
|
err += majorInc;
|
||
|
|
else {
|
||
|
|
ix0++;
|
||
|
|
err += minorInc;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
|
||
|
|
|
||
|
|
if (pRc->privateEnables & __MCDENABLE_Z) {
|
||
|
|
CHECK_FIFO_FREE(pjBase, pRc->cFifo, 18);
|
||
|
|
|
||
|
|
#if _X86_ && ASM_ACCEL
|
||
|
|
_asm{
|
||
|
|
|
||
|
|
mov ebx, b
|
||
|
|
mov eax, a
|
||
|
|
fld DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][ebx]
|
||
|
|
fsub DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][eax] // dz
|
||
|
|
mov ebx, pRc
|
||
|
|
fld DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][eax] // a.z dz
|
||
|
|
fxch ST(1) // dz a.z
|
||
|
|
fmul invLength //+1 // dzL
|
||
|
|
fxch ST(1) // a.z dzL
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.zScale)][ebx] // azS dzL
|
||
|
|
fxch ST(1) // dzL azS
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.zScale)][ebx] //+1 // dzLS azS
|
||
|
|
fxch ST(1) // azS dzLS
|
||
|
|
fistp iZStart
|
||
|
|
fistp idz
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
idz.LowPart = FTOL((b->windowCoord.z - a->windowCoord.z) * invLength * pRc->zScale);
|
||
|
|
iZStart.LowPart = FTOL(a->windowCoord.z * pRc->zScale);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
CP_WRITE(pjBase, DWG_DR2, idz.LowPart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR3, idz.LowPart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR0, iZStart.LowPart);
|
||
|
|
} else {
|
||
|
|
CHECK_FIFO_FREE(pjBase, pRc->cFifo, 15);
|
||
|
|
}
|
||
|
|
|
||
|
|
CP_WRITE(pjBase, DWG_AR0, majorInc);
|
||
|
|
CP_WRITE(pjBase, DWG_AR1, err);
|
||
|
|
CP_WRITE(pjBase, DWG_AR2, minorInc);
|
||
|
|
CP_WRITE(pjBase, DWG_SGN, signs);
|
||
|
|
CP_WRITE(pjBase, DWG_XDST, (ix0 + pRc->xOffset) & 0xffff);
|
||
|
|
CP_WRITE(pjBase, DWG_YDSTLEN, ((iy0 + pRc->yOffset) << 16) | numPixels);
|
||
|
|
|
||
|
|
#if _X86_ && ASM_ACCEL
|
||
|
|
|
||
|
|
_asm{
|
||
|
|
mov ebx, b
|
||
|
|
mov eax, a
|
||
|
|
mov edx, pRc
|
||
|
|
lea ebx, [OFFSET(MCDVERTEX.colors) + ebx]
|
||
|
|
lea eax, [OFFSET(MCDVERTEX.colors) + eax]
|
||
|
|
|
||
|
|
fld DWORD PTR [OFFSET(MCDCOLOR.r)][ebx]
|
||
|
|
fsub DWORD PTR [OFFSET(MCDCOLOR.r)][eax] // dr
|
||
|
|
fld DWORD PTR [OFFSET(MCDCOLOR.g)][ebx]
|
||
|
|
fsub DWORD PTR [OFFSET(MCDCOLOR.g)][eax] // dg dr
|
||
|
|
fxch ST(1) // dr dg
|
||
|
|
fmul invLength // drL dg
|
||
|
|
fld DWORD PTR [OFFSET(MCDCOLOR.b)][ebx]
|
||
|
|
fsub DWORD PTR [OFFSET(MCDCOLOR.b)][eax] // db drL dg
|
||
|
|
fxch ST(2) // dg drL db
|
||
|
|
fmul invLength // dgL drL db
|
||
|
|
fxch ST(1) // drL dgL db
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.rScale)][edx] // drLS dgL db
|
||
|
|
fxch ST(2) // db dgL drLS
|
||
|
|
fmul invLength // dbL dgL drLS
|
||
|
|
fxch ST(1) // dgL dbL drLS
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.gScale)][edx] // dgLS dbL drLS
|
||
|
|
fxch ST(1) // dbL dgLS drLS
|
||
|
|
fld DWORD PTR [OFFSET(MCDCOLOR.r)][eax]
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.rScale)][edx] // r dbL dgLS drLS
|
||
|
|
fxch ST(1) // dbL r dgLS drLS
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.bScale)][edx] // dbLS r dgLS drLS
|
||
|
|
fxch ST(1) // r dbLS dgLS drLS
|
||
|
|
fld DWORD PTR [OFFSET(MCDCOLOR.g)][eax]
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.gScale)][edx] // g r dbLS dgLS drLS
|
||
|
|
fld DWORD PTR [OFFSET(MCDCOLOR.b)][eax]
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.bScale)][edx] // b g r dbLS dgLS drLS
|
||
|
|
fxch ST(2) // r g b dbLS dgLS drLS
|
||
|
|
fistp iRStart
|
||
|
|
fistp iGStart
|
||
|
|
fistp iBStart
|
||
|
|
fistp idb
|
||
|
|
fistp idg
|
||
|
|
fistp idr
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
ac = &a->colors[0];
|
||
|
|
bc = &b->colors[0];
|
||
|
|
|
||
|
|
dr = (bc->r - ac->r) * invLength * pRc->rScale;
|
||
|
|
dg = (bc->g - ac->g) * invLength * pRc->gScale;
|
||
|
|
db = (bc->b - ac->b) * invLength * pRc->bScale;
|
||
|
|
iRStart = FTOL(ac->r * pRc->rScale);
|
||
|
|
iGStart = FTOL(ac->g * pRc->gScale);
|
||
|
|
iBStart = FTOL(ac->b * pRc->bScale);
|
||
|
|
idr = FTOL(dr);
|
||
|
|
idg = FTOL(dg);
|
||
|
|
idb = FTOL(db);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
CP_WRITE(pjBase, DWG_DR6, idr);
|
||
|
|
CP_WRITE(pjBase, DWG_DR7, idr);
|
||
|
|
CP_WRITE(pjBase, DWG_DR10, idg);
|
||
|
|
CP_WRITE(pjBase, DWG_DR11, idg);
|
||
|
|
CP_WRITE(pjBase, DWG_DR14, idb);
|
||
|
|
CP_WRITE(pjBase, DWG_DR15, idb);
|
||
|
|
|
||
|
|
CP_WRITE(pjBase, DWG_DR4, iRStart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR8, iGStart);
|
||
|
|
CP_START(pjBase, DWG_DR12, iBStart);
|
||
|
|
|
||
|
|
clipLine:
|
||
|
|
|
||
|
|
while (--clipNum) {
|
||
|
|
(*pRc->HWSetupClipRect)(pRc, pClip++);
|
||
|
|
|
||
|
|
CHECK_FIFO_FREE(pjBase, pRc->cFifo, 7);
|
||
|
|
|
||
|
|
CP_WRITE(pjBase, DWG_DR4, iRStart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR8, iGStart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR12, iBStart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR0, iZStart.LowPart);
|
||
|
|
CP_WRITE(pjBase, DWG_AR1, err);
|
||
|
|
CP_WRITE(pjBase, DWG_XDST, (ix0 + pRc->xOffset) & 0xffff);
|
||
|
|
CP_START(pjBase, DWG_YDSTLEN, ((iy0 + pRc->yOffset) << 16) | numPixels);
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
|
||
|
|
shortLine:
|
||
|
|
|
||
|
|
__MCD_FLOAT_SIMPLE_END_DIVIDE(invLength);
|
||
|
|
|
||
|
|
// all we will be drawing is a single pixel, so don't bother with
|
||
|
|
// the color or z interpolants:
|
||
|
|
|
||
|
|
if (pRc->privateEnables & __MCDENABLE_Z) {
|
||
|
|
#if _X86_ && ASM_ACCEL
|
||
|
|
_asm {
|
||
|
|
mov ecx, a
|
||
|
|
mov edx, pRc
|
||
|
|
lea eax, [OFFSET(MCDVERTEX.colors) + ecx]
|
||
|
|
fld DWORD PTR [OFFSET(DEVRC.rScale)][edx]
|
||
|
|
fmul DWORD PTR [OFFSET(MCDCOLOR.r)][eax]
|
||
|
|
fld DWORD PTR [OFFSET(DEVRC.gScale)][edx]
|
||
|
|
fmul DWORD PTR [OFFSET(MCDCOLOR.g)][eax]
|
||
|
|
fld DWORD PTR [OFFSET(DEVRC.bScale)][edx]
|
||
|
|
fmul DWORD PTR [OFFSET(MCDCOLOR.b)][eax]
|
||
|
|
fld DWORD PTR [OFFSET(MCDVERTEX.windowCoord.z)][ecx]
|
||
|
|
fmul DWORD PTR [OFFSET(DEVRC.zScale)][edx] // z b g r
|
||
|
|
fxch ST(3) // r b g z
|
||
|
|
fistp iRStart
|
||
|
|
fistp iBStart
|
||
|
|
fistp iGStart
|
||
|
|
fistp iZStart
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
ac = &a->colors[0];
|
||
|
|
iRStart = FTOL(ac->r * pRc->rScale);
|
||
|
|
iGStart = FTOL(ac->g * pRc->gScale);
|
||
|
|
iBStart = FTOL(ac->b * pRc->bScale);
|
||
|
|
iZStart.LowPart = FTOL(a->windowCoord.z * pRc->zScale);
|
||
|
|
#endif
|
||
|
|
CHECK_FIFO_FREE(pjBase, pRc->cFifo, 6);
|
||
|
|
CP_WRITE(pjBase, DWG_DR0, iZStart.LowPart);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
#if _X86_ && ASM_ACCEL
|
||
|
|
_asm{
|
||
|
|
mov eax, a
|
||
|
|
mov edx, pRc
|
||
|
|
lea eax, [OFFSET(MCDVERTEX.colors) + eax]
|
||
|
|
fld DWORD PTr [OFFSET(DEVRC.rScale)][edx]
|
||
|
|
fmul DWORD PTR [OFFSET(MCDCOLOR.r)][eax]
|
||
|
|
fld DWORD PTr [OFFSET(DEVRC.gScale)][edx]
|
||
|
|
fmul DWORD PTR [OFFSET(MCDCOLOR.g)][eax]
|
||
|
|
fld DWORD PTr [OFFSET(DEVRC.bScale)][edx] // b g r
|
||
|
|
fmul DWORD PTR [OFFSET(MCDCOLOR.b)][eax]
|
||
|
|
fxch ST(2) // r g b
|
||
|
|
fistp iRStart
|
||
|
|
fistp iGStart
|
||
|
|
fistp iBStart
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
ac = &a->colors[0];
|
||
|
|
|
||
|
|
iRStart = FTOL(ac->r * pRc->rScale);
|
||
|
|
iGStart = FTOL(ac->g * pRc->gScale);
|
||
|
|
iBStart = FTOL(ac->b * pRc->bScale);
|
||
|
|
#endif
|
||
|
|
CHECK_FIFO_FREE(pjBase, pRc->cFifo, 5);
|
||
|
|
}
|
||
|
|
|
||
|
|
CP_WRITE(pjBase, DWG_XDST, (ix0 + pRc->xOffset) & 0xffff);
|
||
|
|
CP_START(pjBase, DWG_YDSTLEN, ((iy0 + pRc->yOffset) << 16) + 1);
|
||
|
|
CP_WRITE(pjBase, DWG_DR4, iRStart);
|
||
|
|
CP_WRITE(pjBase, DWG_DR8, iGStart);
|
||
|
|
CP_START(pjBase, DWG_DR12, iBStart);
|
||
|
|
|
||
|
|
if (clipNum)
|
||
|
|
goto clipLine;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID FASTCALL __MCDRenderGenLine(DEVRC *pRc, MCDVERTEX *pv1, MCDVERTEX *pv2, BOOL resetLine)
|
||
|
|
{
|
||
|
|
MCDBG_PRINT("__MCDRenderGenLine");
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID FASTCALL __MCDRenderFlatFogLine(DEVRC *pRc, MCDVERTEX *pv1, MCDVERTEX *pv2, BOOL resetLine)
|
||
|
|
{
|
||
|
|
MCDCOLOR c1, c2;
|
||
|
|
|
||
|
|
c1 = pv1->colors[0];
|
||
|
|
c2 = pv2->colors[0];
|
||
|
|
__MCDCalcFogColor(pRc, pv1, &pv1->colors[0], &c1);
|
||
|
|
__MCDCalcFogColor(pRc, pv2, &pv2->colors[0], &c2);
|
||
|
|
(*pRc->renderLineX)(pRc, pv1, pv2, resetLine);
|
||
|
|
pv1->colors[0] = c1;
|
||
|
|
pv2->colors[0] = c2;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID FASTCALL __MCDLineBegin(DEVRC *pRc)
|
||
|
|
{
|
||
|
|
BYTE *pjBase = ((PDEV *)pRc->ppdev)->pjBase;
|
||
|
|
|
||
|
|
CHECK_FIFO_FREE(pjBase, pRc->cFifo, 1);
|
||
|
|
|
||
|
|
CP_WRITE(pjBase, DWG_DWGCTL, pRc->hwLineFunc);
|
||
|
|
}
|
||
|
|
|
||
|
|
VOID FASTCALL __MCDLineEnd(DEVRC *pRc)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|