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|
#ifndef SOURCE_LOOKUP
#define SOURCE_LOOKUP(x) (x)
#define SOURCE_LOOKUP_AUTO
#endif
#ifndef SOURCE_TYPE
#define SOURCE_TYPE u16
#define SOURCE_TYPE_AUTO
#endif
#define SHIFT_L5 SHIFT_R5
#define SHIFT_L6 SHIFT_R6
#define SHIFT_L10 (16-SHIFT_L6)
#define X_003F (X_07E0>>SHIFT_R5)
#define X_003E07C0 (X_F81F<<SHIFT_L6)
#define X_0001F800 (X_07E0<<SHIFT_L6)
#define X_07E0F81F ((X_07E0<<16) | X_F81F)
#define X_F81F07E0 ((X_F81F<<16) | X_07E0)
#define X_F81FF81F ((X_F81F<<16) | X_F81F)
#define X_07E007E0 ((X_07E0<<16) | X_07E0)
#define X_07C0F83F (X_F81F07E0>>SHIFT_R5)
#if 0
#define HVX_DEBUG(x...) direct_log_printf( NULL, x )
#else
#define HVX_DEBUG(x...) do {} while (0)
#endif
/* stretch_hvx_up/down_16_KPI */( void *dst,
int dpitch,
const void *src,
int spitch,
int width,
int height,
int dst_width,
int dst_height,
const StretchCtx *ctx )
{
long x, y, r = 0;
long head = ((((unsigned long) dst) & 2) >> 1) ^ (ctx->clip.x1 & 1);
long cw = ctx->clip.x2 - ctx->clip.x1 + 1;
long ch = ctx->clip.y2 - ctx->clip.y1 + 1;
long tail = (cw - head) & 1;
long w2 = (cw - head) / 2;
long hfraq = ((long)(width - MINUS_1) << 18) / (long)(dst_width);
long vfraq = ((long)(height - MINUS_1) << 18) / (long)(dst_height);
long dp4 = dpitch / 4;
long point0 = POINT_0 + ctx->clip.x1 * hfraq;
long point = point0;
long line = LINE_0 + ctx->clip.y1 * vfraq;
long ratios[cw];
u32 *dst32;
#if defined (COLOR_KEY) || defined (KEY_PROTECT)
u32 dt;
u16 l_, h_;
#endif
u32 _lbT[w2+8];
u32 _lbB[w2+8];
u32 *lbX;
u32 *lbT = (u32*)((((unsigned long)(&_lbT[0])) + 31) & ~31);
u32 *lbB = (u32*)((((unsigned long)(&_lbB[0])) + 31) & ~31);
long lineT = -2000;
for (x=0; x<cw; x++) {
ratios[x] = POINT_TO_RATIO( point, hfraq );
point += hfraq;
}
HVX_DEBUG(" %s %dx%d -> %dx%d (0x%lx, 0x%lx) prot %lx, key %lx\n",
__FUNCTION__, width, height, dst_width, dst_height, hfraq, vfraq, ctx->protect, ctx->key );
dst = (void*)((char*) dst + ctx->clip.x1 * 2 + ctx->clip.y1 * dpitch);
dst32 = (u32*) dst;
if (head) {
u32 dpT, dpB, L, R;
u16 *dst16 = (u16*) dst;
point = point0;
for (y=0; y<ch; y++) {
long X = LINE_TO_RATIO( line, vfraq );
const SOURCE_TYPE *srcT = (const SOURCE_TYPE *)((char*) src + spitch * LINE_T( line, vfraq ));
const SOURCE_TYPE *srcB = (const SOURCE_TYPE *)((char*) src + spitch * LINE_B( line, vfraq ));
/*
* Horizontal interpolation
*/
long pl = POINT_L( point, hfraq );
HVX_DEBUG("h,%ld %lu (%lu/%lu) 0x%x 0x%x\n", y, pl,
POINT_L( point, hfraq ), POINT_R( point, hfraq ), point, ratios[r] );
D_ASSERT( pl >= 0 );
D_ASSERT( pl < width-1 );
L = SOURCE_LOOKUP(srcT[pl]);
R = SOURCE_LOOKUP(srcT[pl+1]);
dpT = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800)) >> SHIFT_R6;
L = SOURCE_LOOKUP(srcB[pl]);
R = SOURCE_LOOKUP(srcB[pl+1]);
dpB = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800)) >> SHIFT_R6;
/*
* Vertical interpolation
*/
#if defined (COLOR_KEY) || defined (KEY_PROTECT)
l_ = ((((((dpB & X_F81F) - (dpT & X_F81F))*X) >> SHIFT_R5) + (dpT & X_F81F)) & X_F81F) +
((((((dpB>>SHIFT_R5) & X_003F) - ((dpT>>SHIFT_R5) & X_003F))*X) + (dpT & X_07E0)) & X_07E0);
#ifdef COLOR_KEY
if ((l_ & MASK_RGB) != (COLOR_KEY))
#endif
#ifdef KEY_PROTECT
/* Write to destination with color key protection */
dst16[0] = ((l_ & MASK_RGB) == KEY_PROTECT) ? l_^1 : l_;
#else
/* Write to destination without color key protection */
dst16[0] = l_;
#endif
#else
/* Write to destination without color key protection */
dst16[0] = ((((((dpB & X_F81F) - (dpT & X_F81F))*X) >> SHIFT_R5) + (dpT & X_F81F)) & X_F81F) +
((((((dpB>>SHIFT_R5) & X_003F) - ((dpT>>SHIFT_R5) & X_003F))*X) + (dpT & X_07E0)) & X_07E0);
#endif
dst16 += dpitch / 2;
line += vfraq;
}
/* Adjust */
point0 += hfraq;
dst32 = (u32*)((char*) dst + 2);
/* Reset */
line = LINE_0 + ctx->clip.y1 * vfraq;
}
/*
* Scale line by line.
*/
for (y=0; y<ch; y++) {
long X;
long nlT = LINE_T( line, vfraq );
D_ASSERT( nlT >= 0 );
D_ASSERT( nlT < height-1 );
/*
* Fill line buffer(s) ?
*/
if (nlT != lineT) {
u32 L, R, dpT, dpB;
const SOURCE_TYPE *srcT = (const SOURCE_TYPE *)((char*) src + spitch * nlT);
const SOURCE_TYPE *srcB = (const SOURCE_TYPE *)((char*) src + spitch * (nlT + 1));
long diff = nlT - lineT;
if (diff > 1) {
/*
* Two output pixels per step.
*/
for (x=0, r=head, point=point0; x<w2; x++) {
/*
* Horizontal interpolation
*/
long pl = POINT_L( point, hfraq );
HVX_DEBUG("%ld,%ld %lu (%lu/%lu) 0x%x 0x%x\n", x, y, pl,
POINT_L( point, hfraq ), POINT_R( point, hfraq ), point, ratios[r] );
D_ASSERT( pl >= 0 );
D_ASSERT( pl < width-1 );
L = SOURCE_LOOKUP(srcT[pl]);
R = SOURCE_LOOKUP(srcT[pl+1]);
dpT = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800))
#ifdef WORDS_BIGENDIAN
<< SHIFT_L10;
#else
>> SHIFT_R6;
#endif
L = SOURCE_LOOKUP(srcB[pl]);
R = SOURCE_LOOKUP(srcB[pl+1]);
dpB = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800))
#ifdef WORDS_BIGENDIAN
<< SHIFT_L10;
#else
>> SHIFT_R6;
#endif
point += hfraq;
r++;
pl = POINT_L( point, hfraq );
HVX_DEBUG("%ld,%ld %lu (%lu/%lu) 0x%x 0x%x\n", x, y, pl,
POINT_L( point, hfraq ), POINT_R( point, hfraq ), point, ratios[r] );
D_ASSERT( pl >= 0 );
D_ASSERT( pl < width-1 );
L = SOURCE_LOOKUP(srcT[pl]);
R = SOURCE_LOOKUP(srcT[pl+1]);
dpT |= (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800))
#ifdef WORDS_BIGENDIAN
>> SHIFT_R6;
#else
<< SHIFT_L10;
#endif
L = SOURCE_LOOKUP(srcB[pl]);
R = SOURCE_LOOKUP(srcB[pl+1]);
dpB |= (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800))
#ifdef WORDS_BIGENDIAN
>> SHIFT_R6;
#else
<< SHIFT_L10;
#endif
point += hfraq;
r++;
/* Store */
lbT[x] = dpT;
lbB[x] = dpB;
}
}
else {
/* Swap */
lbX = lbT;
lbT = lbB;
lbB = lbX;
/*
* Two output pixels per step.
*/
for (x=0, r=head, point=point0; x<w2; x++) {
/*
* Horizontal interpolation
*/
long pl = POINT_L( point, hfraq );
HVX_DEBUG("%ld,%ld %lu (%lu/%lu) 0x%x 0x%x\n", x, y, pl,
POINT_L( point, hfraq ), POINT_R( point, hfraq ), point, ratios[r] );
D_ASSERT( pl >= 0 );
D_ASSERT( pl < width-1 );
L = SOURCE_LOOKUP(srcB[pl]);
R = SOURCE_LOOKUP(srcB[pl+1]);
dpB = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800))
#ifdef WORDS_BIGENDIAN
<< SHIFT_L10;
#else
>> SHIFT_R6;
#endif
point += hfraq;
r++;
pl = POINT_L( point, hfraq );
HVX_DEBUG("%ld,%ld %lu (%lu/%lu) 0x%x 0x%x\n", x, y, pl,
POINT_L( point, hfraq ), POINT_R( point, hfraq ), point, ratios[r] );
D_ASSERT( pl >= 0 );
D_ASSERT( pl < width-1 );
L = SOURCE_LOOKUP(srcB[pl]);
R = SOURCE_LOOKUP(srcB[pl+1]);
dpB |= (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800))
#ifdef WORDS_BIGENDIAN
>> SHIFT_R6;
#else
<< SHIFT_L10;
#endif
point += hfraq;
r++;
/* Store */
lbB[x] = dpB;
}
}
lineT = nlT;
}
/*
* Vertical interpolation
*/
X = LINE_TO_RATIO( line, vfraq );
for (x=0; x<w2; x++) {
#if defined (COLOR_KEY) || defined (KEY_PROTECT)
#ifdef HAS_ALPHA
dt = ((((((lbB[x] & X_F81FF81F) - (lbT[x] & X_F81FF81F))*X) >> SHIFT_R5) + (lbT[x] & X_F81FF81F)) & X_F81FF81F) +
((((((lbB[x]>>SHIFT_R5) & X_F81FF81F) - ((lbT[x]>>SHIFT_R5) & X_F81FF81F))*X) + (lbT[x] & X_07E007E0)) & X_07E007E0);
#else
dt = ((((((lbB[x] & X_07E0F81F) - (lbT[x] & X_07E0F81F))*X) >> SHIFT_R5) + (lbT[x] & X_07E0F81F)) & X_07E0F81F) +
((((((lbB[x]>>SHIFT_R5) & X_07C0F83F) - ((lbT[x]>>SHIFT_R5) & X_07C0F83F))*X) + (lbT[x] & X_F81F07E0)) & X_F81F07E0);
#endif
/* Get two new pixels. */
l_ = dt;
h_ = dt >> 16;
#ifdef COLOR_KEY
if ((l_ & MASK_RGB) != (COLOR_KEY)) {
if ((h_ & MASK_RGB) != (COLOR_KEY)) {
#ifdef KEY_PROTECT
/* Write to destination with color key protection */
dst32[x] = ((((h_ & MASK_RGB) == KEY_PROTECT) ? h_^1 : h_) << 16) | (((l_ & MASK_RGB) == KEY_PROTECT) ? l_^1 : l_);
#else
/* Write to destination without color key protection */
dst32[x] = dt;
#endif
}
else {
u16 *_dst16 = (u16*) &dst32[x];
#ifdef KEY_PROTECT
/* Write to destination with color key protection */
*_dst16 = (((l_ & MASK_RGB) == KEY_PROTECT) ? l_^1 : l_);
#else
/* Write to destination without color key protection */
*_dst16 = l_;
#endif
}
}
else if ((h_ & MASK_RGB) != (COLOR_KEY)) {
u16 *_dst16 = ((u16*) &dst32[x]) + 1;
#ifdef KEY_PROTECT
/* Write to destination with color key protection */
*_dst16 = (((h_ & MASK_RGB) == KEY_PROTECT) ? h_^1 : h_);
#else
/* Write to destination without color key protection */
*_dst16 = h_;
#endif
}
#else
/* Write to destination with color key protection */
dst32[x] = ((((h_ & MASK_RGB) == KEY_PROTECT) ? h_^1 : h_) << 16) | (((l_ & MASK_RGB) == KEY_PROTECT) ? l_^1 : l_);
#endif
#else
#ifdef HAS_ALPHA
dst32[x] = ((((((lbB[x] & X_F81FF81F) - (lbT[x] & X_F81FF81F))*X) >> SHIFT_R5) + (lbT[x] & X_F81FF81F)) & X_F81FF81F) +
((((((lbB[x]>>SHIFT_R5) & X_F81FF81F) - ((lbT[x]>>SHIFT_R5) & X_F81FF81F))*X) + (lbT[x] & X_07E007E0)) & X_07E007E0);
#else
dst32[x] = ((((((lbB[x] & X_07E0F81F) - (lbT[x] & X_07E0F81F))*X) >> SHIFT_R5) + (lbT[x] & X_07E0F81F)) & X_07E0F81F) +
((((((lbB[x]>>SHIFT_R5) & X_07C0F83F) - ((lbT[x]>>SHIFT_R5) & X_07C0F83F))*X) + (lbT[x] & X_F81F07E0)) & X_F81F07E0);
#endif
#endif
}
dst32 += dp4;
line += vfraq;
}
if (tail) {
u32 dpT, dpB, L, R;
u16 *dst16 = (u16*)((char*) dst + cw * 2 - 2);
/* Reset */
line = LINE_0 + ctx->clip.y1 * vfraq;
for (y=0; y<ch; y++) {
long X = LINE_TO_RATIO( line, vfraq );
const SOURCE_TYPE *srcT = (const SOURCE_TYPE *)((char*) src + spitch * LINE_T( line, vfraq ));
const SOURCE_TYPE *srcB = (const SOURCE_TYPE *)((char*) src + spitch * LINE_B( line, vfraq ));
/*
* Horizontal interpolation
*/
long pl = POINT_L( point, hfraq );
HVX_DEBUG("t,%ld %lu (%lu/%lu) 0x%x 0x%x\n", y, pl,
POINT_L( point, hfraq ), POINT_R( point, hfraq ), point, ratios[r] );
D_ASSERT( pl >= 0 );
D_ASSERT( pl < width-1 );
L = SOURCE_LOOKUP(srcT[pl]);
R = SOURCE_LOOKUP(srcT[pl+1]);
dpT = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800)) >> SHIFT_R6;
L = SOURCE_LOOKUP(srcB[pl]);
R = SOURCE_LOOKUP(srcB[pl+1]);
dpB = (((((R & X_F81F)-(L & X_F81F))*ratios[r] + ((L & X_F81F)<<SHIFT_L6)) & X_003E07C0) +
((((R & X_07E0)-(L & X_07E0))*ratios[r] + ((L & X_07E0)<<SHIFT_L6)) & X_0001F800)) >> SHIFT_R6;
/*
* Vertical interpolation
*/
#if defined (COLOR_KEY) || defined (KEY_PROTECT)
l_ = ((((((dpB & X_F81F) - (dpT & X_F81F))*X) >> SHIFT_R5) + (dpT & X_F81F)) & X_F81F) +
((((((dpB>>SHIFT_R5) & X_003F) - ((dpT>>SHIFT_R5) & X_003F))*X) + (dpT & X_07E0)) & X_07E0);
#ifdef COLOR_KEY
if ((l_ & MASK_RGB) != (COLOR_KEY))
#endif
#ifdef KEY_PROTECT
/* Write to destination with color key protection */
dst16[0] = ((l_ & MASK_RGB) == KEY_PROTECT) ? l_^1 : l_;
#else
/* Write to destination without color key protection */
dst16[0] = l_;
#endif
#else
/* Write to destination without color key protection */
dst16[0] = ((((((dpB & X_F81F) - (dpT & X_F81F))*X) >> SHIFT_R5) + (dpT & X_F81F)) & X_F81F) +
((((((dpB>>SHIFT_R5) & X_003F) - ((dpT>>SHIFT_R5) & X_003F))*X) + (dpT & X_07E0)) & X_07E0);
#endif
dst16 += dpitch / 2;
line += vfraq;
}
}
}
#undef SHIFT_L6
#undef SHIFT_L10
#undef X_003F
#undef X_003E07C0
#undef X_0001F800
#undef X_07E0F81F
#undef X_F81F07E0
#undef X_07C0F83F
#ifdef SOURCE_LOOKUP_AUTO
#undef SOURCE_LOOKUP_AUTO
#undef SOURCE_LOOKUP
#endif
#ifdef SOURCE_TYPE_AUTO
#undef SOURCE_TYPE_AUTO
#undef SOURCE_TYPE
#endif
|
