}
/* If all channels are of same type and we are not using half-floats */
- if (util_format_is_array(format_desc)) {
+ if (format_desc->is_array) {
+ assert(!format_desc->is_mixed);
return lp_build_fetch_rgba_aos_array(gallivm, format_desc, type, base_ptr, offset);
}
static INLINE void
lp_type_from_format_desc(struct lp_type* type, const struct util_format_description *format_desc)
{
- assert(util_format_is_array(format_desc));
+ assert(format_desc->is_array);
+ assert(!format_desc->is_mixed);
memset(type, 0, sizeof(struct lp_type));
type->floating = format_desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT;
return (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED && desc->channel[i].pure_integer) ? TRUE : FALSE;
}
-boolean
-util_format_is_array(const struct util_format_description *desc)
-{
- unsigned chan;
-
- if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN ||
- desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB ||
- desc->block.width != 1 ||
- desc->block.height != 1) {
- return FALSE;
- }
-
- for (chan = 0; chan < desc->nr_channels; ++chan) {
- if (desc->channel[chan].size != desc->channel[0].size)
- return FALSE;
-
- if (desc->channel[chan].type == UTIL_FORMAT_TYPE_VOID && (chan + 1) == desc->nr_channels)
- continue;
-
- if (desc->channel[chan].type != desc->channel[0].type)
- return FALSE;
-
- if (desc->channel[chan].normalized != desc->channel[0].normalized)
- return FALSE;
-
- if (desc->channel[chan].pure_integer != desc->channel[0].pure_integer)
- return FALSE;
- }
-
- if (desc->nr_channels == 4) {
- if (desc->swizzle[3] < 3)
- return FALSE;
- } else {
- for (chan = 0; chan < desc->nr_channels; ++chan) {
- if (desc->swizzle[chan] != chan)
- return FALSE;
- }
- }
-
- return TRUE;
-}
boolean
util_format_is_luminance_alpha(enum pipe_format format)
boolean
util_format_is_pure_uint(enum pipe_format format);
-/**
- * Whether the format is a simple array format where all channels
- * are of the same type and can be loaded from memory as a vector.
- *
- * If format is 4 channel it can be swizzled (eg BGRA) as long
- * as the alpha is the 3rd channel.
- */
-boolean
-util_format_is_array(const struct util_format_description *desc);
-
/**
* Check if the src format can be blitted to the destination format with
* a simple memcpy. For example, blitting from RGBA to RGBx is OK, but not