static unsigned int
picture_format_fixups(struct xa_picture *src_pic,
int mask)
{
boolean set_alpha = FALSE;
boolean swizzle = FALSE;
unsigned ret = 0;
struct xa_surface *src = src_pic->srf;
enum xa_formats src_hw_format, src_pic_format;
enum xa_surface_type src_hw_type, src_pic_type;
if (!src)
return 0;
src_hw_format = xa_surface_format(src);
src_pic_format = src_pic->pict_format;
set_alpha = (xa_format_type_is_color(src_pic_format) &&
xa_format_a(src_pic_format) == 0);
if (set_alpha)
ret |= mask ? FS_MASK_SET_ALPHA : FS_SRC_SET_ALPHA;
if (src_hw_format == src_pic_format) {
if (src->tex->format == PIPE_FORMAT_L8_UNORM)
return ((mask) ? FS_MASK_LUMINANCE : FS_SRC_LUMINANCE);
return ret;
}
src_hw_type = xa_format_type(src_hw_format);
src_pic_type = xa_format_type(src_pic_format);
swizzle = ((src_hw_type == xa_type_argb &&
src_pic_type == xa_type_abgr) ||
((src_hw_type == xa_type_abgr &&
src_pic_type == xa_type_argb)));
if (!swizzle && (src_hw_type != src_pic_type))
return ret;
if (swizzle)
ret |= mask ? FS_MASK_SWIZZLE_RGB : FS_SRC_SWIZZLE_RGB;
return ret;
}
int
xa_format_check_supported(struct xa_tracker *xa,
enum xa_formats xa_format, unsigned int flags)
{
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
unsigned int bind;
if (fdesc.xa_format == xa_format_unknown)
return -XA_ERR_INVAL;
bind = stype_bind[xa_format_type(fdesc.xa_format)];
if (flags & XA_FLAG_SHARED)
bind |= PIPE_BIND_SHARED;
if (flags & XA_FLAG_RENDER_TARGET)
bind |= PIPE_BIND_RENDER_TARGET;
if (!xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind))
return -XA_ERR_INVAL;
return XA_ERR_NONE;
}
if (fdesc.xa_format == xa_format_unknown)
return NULL;
srf = calloc(1, sizeof(*srf));
if (!srf)
return NULL;
template = &srf->template;
template->format = fdesc.format;
template->target = PIPE_TEXTURE_2D;
template->width0 = width;
template->height0 = height;
template->depth0 = 1;
template->array_size = 1;
template->last_level = 0;
template->bind = stype_bind[xa_format_type(fdesc.xa_format)];
if (flags & XA_FLAG_SHARED)
template->bind |= PIPE_BIND_SHARED;
if (flags & XA_FLAG_RENDER_TARGET)
template->bind |= PIPE_BIND_RENDER_TARGET;
if (flags & XA_FLAG_SCANOUT)
template->bind |= PIPE_BIND_SCANOUT;
if (whandle)
srf->tex = xa->screen->resource_from_handle(xa->screen, template, whandle);
else
srf->tex = xa->screen->resource_create(xa->screen, template);
if (!srf->tex)
goto out_no_tex;
