PUBLIC
Status XvMCSetSubpicturePalette(Display *dpy, XvMCSubpicture *subpicture, unsigned char *palette)
{
XvMCSubpicturePrivate *subpicture_priv;
XvMCContextPrivate *context_priv;
struct pipe_context *pipe;
struct pipe_box dst_box = {0, 0, 0, 0, 1, 1};
assert(dpy);
assert(palette);
if (!subpicture)
return XvMCBadSubpicture;
subpicture_priv = subpicture->privData;
context_priv = subpicture_priv->context->privData;
pipe = context_priv->pipe;
dst_box.width = subpicture->num_palette_entries;
upload_sampler(pipe, subpicture_priv->palette, &dst_box, palette, 0, 0, 0);
XVMC_MSG(XVMC_TRACE, "[XvMC] Palette of Subpicture %p set.\n", subpicture);
return Success;
}
PUBLIC
Status XvMCCompositeSubpicture(Display *dpy, XvMCSubpicture *subpicture, XvImage *image,
short srcx, short srcy, unsigned short width, unsigned short height,
short dstx, short dsty)
{
XvMCSubpicturePrivate *subpicture_priv;
XvMCContextPrivate *context_priv;
struct pipe_context *pipe;
struct pipe_box dst_box = {dstx, dsty, 0, width, height, 1};
unsigned src_stride;
XVMC_MSG(XVMC_TRACE, "[XvMC] Compositing subpicture %p.\n", subpicture);
assert(dpy);
if (!subpicture)
return XvMCBadSubpicture;
assert(image);
if (subpicture->xvimage_id != image->id)
return BadMatch;
/* No planar support for now */
if (image->num_planes != 1)
return BadMatch;
subpicture_priv = subpicture->privData;
context_priv = subpicture_priv->context->privData;
pipe = context_priv->pipe;
/* clipping should be done by upload_sampler and regardles what the documentation
says image->pitches[0] doesn't seems to be in bytes, so don't use it */
src_stride = image->width * util_format_get_blocksize(subpicture_priv->sampler->texture->format);
upload_sampler(pipe, subpicture_priv->sampler, &dst_box, image->data, src_stride, srcx, srcy);
XVMC_MSG(XVMC_TRACE, "[XvMC] Subpicture %p composited.\n", subpicture);
return Success;
}
static VAStatus
vlVaPutSubpictures(vlVaSurface *surf, vlVaDriver *drv,
struct pipe_surface *surf_draw, struct u_rect *dirty_area,
struct u_rect *src_rect, struct u_rect *dst_rect)
{
vlVaSubpicture *sub;
int i;
if (!(surf->subpics.data || surf->subpics.size))
return VA_STATUS_SUCCESS;
for (i = 0; i < surf->subpics.size/sizeof(vlVaSubpicture *); i++) {
struct pipe_blend_state blend;
void *blend_state;
vlVaBuffer *buf;
struct pipe_box box;
struct u_rect *s, *d, sr, dr, c;
int sw, sh, dw, dh;
sub = ((vlVaSubpicture **)surf->subpics.data)[i];
if (!sub)
continue;
buf = handle_table_get(drv->htab, sub->image->buf);
if (!buf)
return VA_STATUS_ERROR_INVALID_IMAGE;
box.x = 0;
box.y = 0;
box.z = 0;
box.width = sub->dst_rect.x1 - sub->dst_rect.x0;
box.height = sub->dst_rect.y1 - sub->dst_rect.y0;
box.depth = 1;
s = &sub->src_rect;
d = &sub->dst_rect;
sw = s->x1 - s->x0;
sh = s->y1 - s->y0;
dw = d->x1 - d->x0;
dh = d->y1 - d->y0;
c.x0 = MAX2(d->x0, s->x0);
c.y0 = MAX2(d->y0, s->y0);
c.x1 = MIN2(d->x0 + dw, src_rect->x1);
c.y1 = MIN2(d->y0 + dh, src_rect->y1);
sr.x0 = s->x0 + (c.x0 - d->x0)*(sw/(float)dw);
sr.y0 = s->y0 + (c.y0 - d->y0)*(sh/(float)dh);
sr.x1 = s->x0 + (c.x1 - d->x0)*(sw/(float)dw);
sr.y1 = s->y0 + (c.y1 - d->y0)*(sh/(float)dh);
s = src_rect;
d = dst_rect;
sw = s->x1 - s->x0;
sh = s->y1 - s->y0;
dw = d->x1 - d->x0;
dh = d->y1 - d->y0;
dr.x0 = d->x0 + c.x0*(dw/(float)sw);
dr.y0 = d->y0 + c.y0*(dh/(float)sh);
dr.x1 = d->x0 + c.x1*(dw/(float)sw);
dr.y1 = d->y0 + c.y1*(dh/(float)sh);
memset(&blend, 0, sizeof(blend));
blend.independent_blend_enable = 0;
blend.rt[0].blend_enable = 1;
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].rgb_func = PIPE_BLEND_ADD;
blend.rt[0].alpha_func = PIPE_BLEND_ADD;
blend.rt[0].colormask = PIPE_MASK_RGBA;
blend.logicop_enable = 0;
blend.logicop_func = PIPE_LOGICOP_CLEAR;
blend.dither = 0;
blend_state = drv->pipe->create_blend_state(drv->pipe, &blend);
vl_compositor_clear_layers(&drv->cstate);
vl_compositor_set_layer_blend(&drv->cstate, 0, blend_state, false);
upload_sampler(drv->pipe, sub->sampler, &box, buf->data,
sub->image->pitches[0], 0, 0);
vl_compositor_set_rgba_layer(&drv->cstate, &drv->compositor, 0, sub->sampler,
&sr, NULL, NULL);
vl_compositor_set_layer_dst_area(&drv->cstate, 0, &dr);
vl_compositor_render(&drv->cstate, &drv->compositor, surf_draw, dirty_area, false);
drv->pipe->delete_blend_state(drv->pipe, blend_state);
}
return VA_STATUS_SUCCESS;
}
