bool
davinciStretchBlit32( void *drv, void *dev, DFBRectangle *srect, DFBRectangle *drect )
{
DavinciDriverData *ddrv = drv;
DavinciDeviceData *ddev = dev;
DFBRegion clip = DFB_REGION_INIT_FROM_RECTANGLE( drect );
D_DEBUG_AT( Davinci_2D, "%s( %4d,%4d-%4dx%4d <- %4d,%4d-%4dx%4d )\n",
__FUNCTION__, DFB_RECTANGLE_VALS(drect), DFB_RECTANGLE_VALS(srect) );
if (!dfb_region_region_intersect( &clip, &ddev->clip ))
return true;
dfb_region_translate( &clip, -drect->x, -drect->y );
davinci_c64x_stretch_32__L( &ddrv->tasks,
ddev->dst_phys + ddev->dst_pitch * drect->y + ddev->dst_bpp * drect->x,
ddev->dst_pitch,
ddev->src_phys + ddev->src_pitch * srect->y + ddev->src_bpp * srect->x,
ddev->src_pitch,
drect->w, drect->h,
srect->w, srect->h,
&clip );
return true;
}
static bool
stretch_hvx( CardState *state, DFBRectangle *srect, DFBRectangle *drect )
{
GenefxState *gfxs;
const StretchFunctionTable *table;
StretchHVx stretch;
bool down = false;
void *dst;
void *src;
StretchCtx ctx;
int idx = STRETCH_NONE;
u32 colors[256];
D_ASSERT( state != NULL );
DFB_RECTANGLE_ASSERT( srect );
DFB_RECTANGLE_ASSERT( drect );
gfxs = state->gfxs;
if (srect->w > drect->w && srect->h > drect->h)
down = true;
if (down) {
if (!(state->render_options & DSRO_SMOOTH_DOWNSCALE))
return false;
}
else {
if (!(state->render_options & DSRO_SMOOTH_UPSCALE))
return false;
}
switch (gfxs->dst_format) {
case DSPF_NV12:
case DSPF_NV21:
return stretch_hvx_planar( state, srect, drect, down );
default:
break;
}
if (state->blittingflags & ~(DSBLIT_COLORKEY_PROTECT | DSBLIT_SRC_COLORKEY | DSBLIT_SRC_PREMULTIPLY))
return false;
if (state->blittingflags & DSBLIT_SRC_PREMULTIPLY && !DFB_PIXELFORMAT_IS_INDEXED( gfxs->src_format ))
return false;
if (DFB_PIXELFORMAT_INDEX(gfxs->dst_format) >= D_ARRAY_SIZE(stretch_tables))
return false;
if (DFB_PIXELFORMAT_INDEX(gfxs->src_format) >= D_ARRAY_SIZE((stretch_tables[0])->f))
return false;
table = stretch_tables[DFB_PIXELFORMAT_INDEX(gfxs->dst_format)];
if (!table)
return false;
if (state->blittingflags & DSBLIT_SRC_COLORKEY)
idx |= STRETCH_SRCKEY;
if (state->blittingflags & DSBLIT_COLORKEY_PROTECT)
idx |= STRETCH_PROTECT;
if (down)
stretch = table->f[DFB_PIXELFORMAT_INDEX(gfxs->src_format)].down[idx];
else
stretch = table->f[DFB_PIXELFORMAT_INDEX(gfxs->src_format)].up[idx];
if (!stretch)
return false;
ctx.clip = state->clip;
if (!dfb_region_rectangle_intersect( &ctx.clip, drect ))
return false;
dfb_region_translate( &ctx.clip, - drect->x, - drect->y );
if (DFB_PIXELFORMAT_IS_INDEXED( gfxs->src_format )) {
int i;
const DFBColor *entries;
u16 *colors16 = (void*) colors;
D_ASSERT( gfxs->Blut != NULL );
entries = gfxs->Blut->entries;
switch (gfxs->dst_format) {
case DSPF_ARGB:
if (state->blittingflags & DSBLIT_SRC_PREMULTIPLY) {
for (i=0; i<gfxs->Blut->num_entries; i++) {
int alpha = entries[i].a + 1;
switch (alpha) {
case 0:
colors[i] = 0;
break;
case 255:
colors[i] = PIXEL_ARGB( entries[i].a,
entries[i].r,
entries[i].g,
entries[i].b );
break;
default:
colors[i] = PIXEL_ARGB( entries[i].a,
(alpha * entries[i].r) >> 8,
(alpha * entries[i].g) >> 8,
(alpha * entries[i].b) >> 8 );
}
}
}
else {
for (i=0; i<gfxs->Blut->num_entries; i++)
colors[i] = PIXEL_ARGB( entries[i].a, entries[i].r, entries[i].g, entries[i].b );
}
break;
case DSPF_RGB32:
for (i=0; i<gfxs->Blut->num_entries; i++)
colors[i] = PIXEL_RGB32( entries[i].r, entries[i].g, entries[i].b );
break;
case DSPF_RGB16:
for (i=0; i<gfxs->Blut->num_entries; i++)
colors16[i] = PIXEL_RGB16( entries[i].r, entries[i].g, entries[i].b );
break;
case DSPF_ARGB4444:
if (state->blittingflags & DSBLIT_SRC_PREMULTIPLY) {
for (i=0; i<gfxs->Blut->num_entries; i++) {
int alpha = entries[i].a + 1;
switch (alpha) {
case 0:
colors16[i] = 0;
break;
case 255:
colors16[i] = PIXEL_ARGB4444( entries[i].a,
entries[i].r,
entries[i].g,
entries[i].b );
break;
default:
colors16[i] = PIXEL_ARGB4444( entries[i].a,
(alpha * entries[i].r) >> 8,
(alpha * entries[i].g) >> 8,
(alpha * entries[i].b) >> 8 );
}
}
}
else {
for (i=0; i<gfxs->Blut->num_entries; i++)
static bool
stretch_hvx_planar( CardState *state, DFBRectangle *srect, DFBRectangle *drect, bool down )
{
GenefxState *gfxs;
void *dst;
void *src;
DFBRegion clip;
D_ASSERT( state != NULL );
DFB_RECTANGLE_ASSERT( srect );
DFB_RECTANGLE_ASSERT( drect );
gfxs = state->gfxs;
if (state->blittingflags)
return false;
if (gfxs->dst_format != gfxs->src_format)
return false;
clip = state->clip;
if (!dfb_region_rectangle_intersect( &clip, drect ))
return false;
dfb_region_translate( &clip, - drect->x, - drect->y );
dst = gfxs->dst_org[0] + drect->y * gfxs->dst_pitch + DFB_BYTES_PER_LINE( gfxs->dst_format, drect->x );
src = gfxs->src_org[0] + srect->y * gfxs->src_pitch + DFB_BYTES_PER_LINE( gfxs->src_format, srect->x );
switch (gfxs->dst_format) {
case DSPF_NV12:
case DSPF_NV21:
if (down)
stretch_hvx_8_down( dst, gfxs->dst_pitch, src, gfxs->src_pitch,
srect->w, srect->h, drect->w, drect->h, &clip );
else
stretch_hvx_8_up( dst, gfxs->dst_pitch, src, gfxs->src_pitch,
srect->w, srect->h, drect->w, drect->h, &clip );
clip.x1 /= 2;
clip.x2 /= 2;
clip.y1 /= 2;
clip.y2 /= 2;
dst = gfxs->dst_org[1] + drect->y/2 * gfxs->dst_pitch + DFB_BYTES_PER_LINE( gfxs->dst_format, drect->x );
src = gfxs->src_org[1] + srect->y/2 * gfxs->src_pitch + DFB_BYTES_PER_LINE( gfxs->src_format, srect->x );
if (down)
stretch_hvx_88_down( dst, gfxs->dst_pitch, src, gfxs->src_pitch,
srect->w/2, srect->h, drect->w/2, drect->h, &clip );
else
stretch_hvx_88_up( dst, gfxs->dst_pitch, src, gfxs->src_pitch,
srect->w/2, srect->h, drect->w/2, drect->h, &clip );
break;
default:
break;
}
return true;
}