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Add support for transforms of textures on R128.

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This commit is contained in:
Eric Anholt 2004-07-19 07:20:01 +00:00
parent c042647278
commit e2bb9f38cd
1 changed files with 55 additions and 12 deletions
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67
hw/kdrive/ati/r128_composite.c
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@ -35,6 +35,8 @@ static int src_bpp;
int widths[2] = {1,1};
int heights[2] = {1,1};
Bool is_repeat;
Bool is_transform[2];
PictTransform *transform[2];
struct blendinfo {
Bool dst_alpha;
@ -238,10 +240,6 @@ R128CheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture,
if (op >= sizeof(R128BlendOp)/sizeof(R128BlendOp[0]))
ATI_FALLBACK(("Unsupported op 0x%x\n", op));
if (pSrcPicture->transform)
ATI_FALLBACK(("Source transform unsupported.\n"));
if (pMaskPicture && pMaskPicture->transform)
ATI_FALLBACK(("Mask transform unsupported.\n"));
if (pDstPicture->format == PICT_a8) {
if (R128BlendOp[op].src_alpha || R128BlendOp[op].dst_alpha ||
pMaskPicture != NULL)
@ -328,6 +326,12 @@ R128TextureSetup(PicturePtr pPict, PixmapPtr pPix, int unit, CARD32 *txsize,
*txsize |= ((l2w > l2h) ? l2w : l2h) << (R128_TEX_SIZE_SHIFT + shift);
*txsize |= l2h << (R128_TEX_HEIGHT_SHIFT + shift);
if (pPict->transform != 0) {
is_transform[unit] = TRUE;
transform[unit] = pPict->transform;
} else {
is_transform[unit] = FALSE;
}
return TRUE;
}
@ -503,11 +507,50 @@ R128Composite(int srcX, int srcY, int maskX, int maskY, int dstX, int dstY,
ATIScreenInfo *atis = accel_atis;
struct blend_vertex vtx[4];
int i;
int srcXend, srcYend, maskXend, maskYend;
RING_LOCALS;
/*ErrorF("R128Composite (%d,%d) (%d,%d) (%d,%d) (%d,%d)\n",
srcX, srcY, maskX, maskY,dstX, dstY, w, h);*/
if (is_transform[0]) {
PictVector v;
v.vector[0] = IntToxFixed(srcX);
v.vector[1] = IntToxFixed(srcY);
v.vector[3] = xFixed1;
PictureTransformPoint(transform[0], &v);
srcX = xFixedToInt(v.vector[0]);
srcY = xFixedToInt(v.vector[1]);
v.vector[0] = IntToxFixed(srcX + w);
v.vector[1] = IntToxFixed(srcY + h);
v.vector[3] = xFixed1;
PictureTransformPoint(transform[0], &v);
srcXend = xFixedToInt(v.vector[0]);
srcYend = xFixedToInt(v.vector[1]);
} else {
srcXend = srcX + w;
srcYend = srcY + h;
}
if (is_transform[1]) {
PictVector v;
v.vector[0] = IntToxFixed(maskX);
v.vector[1] = IntToxFixed(maskY);
v.vector[3] = xFixed1;
PictureTransformPoint(transform[1], &v);
maskX = xFixedToInt(v.vector[0]);
maskY = xFixedToInt(v.vector[1]);
v.vector[0] = IntToxFixed(maskX + w);
v.vector[1] = IntToxFixed(maskY + h);
v.vector[3] = xFixed1;
PictureTransformPoint(transform[1], &v);
maskXend = xFixedToInt(v.vector[0]);
maskYend = xFixedToInt(v.vector[1]);
} else {
maskXend = maskX + w;
maskYend = maskY + h;
}
vtx[0].x.f = dstX;
vtx[0].y.f = dstY;
vtx[0].z.f = 0.0;
@ -522,26 +565,26 @@ R128Composite(int srcX, int srcY, int maskX, int maskY, int dstX, int dstY,
vtx[1].z.f = 0.0;
vtx[1].w.f = 1.0;
vtx[1].s0.f = srcX;
vtx[1].t0.f = srcY + h;
vtx[1].t0.f = srcYend;
vtx[1].s1.f = maskX;
vtx[1].t1.f = maskY + h;
vtx[1].t1.f = maskYend;
vtx[2].x.f = dstX + w;
vtx[2].y.f = dstY + h;
vtx[2].z.f = 0.0;
vtx[2].w.f = 1.0;
vtx[2].s0.f = srcX + w;
vtx[2].t0.f = srcY + h;
vtx[2].s1.f = maskX + w;
vtx[2].t1.f = maskY + h;
vtx[2].s0.f = srcXend;
vtx[2].t0.f = srcYend;
vtx[2].s1.f = maskXend;
vtx[2].t1.f = maskYend;
vtx[3].x.f = dstX + w;
vtx[3].y.f = dstY;
vtx[3].z.f = 0.0;
vtx[3].w.f = 1.0;
vtx[3].s0.f = srcX + w;
vtx[3].s0.f = srcXend;
vtx[3].t0.f = srcY;
vtx[3].s1.f = maskX + w;
vtx[3].s1.f = maskXend;
vtx[3].t1.f = maskY;
for (i = 0; i < 4; i++) {