struct translate *translate_generic_create( const struct translate_key *key )
{
struct translate_generic *tg = CALLOC_STRUCT(translate_generic);
unsigned i;
if (tg == NULL)
return NULL;
tg->translate.key = *key;
tg->translate.release = generic_release;
tg->translate.set_buffer = generic_set_buffer;
tg->translate.run_elts = generic_run_elts;
tg->translate.run = generic_run;
for (i = 0; i < key->nr_elements; i++) {
tg->attrib[i].type = key->element[i].type;
tg->attrib[i].fetch = get_fetch_func(key->element[i].input_format);
tg->attrib[i].buffer = key->element[i].input_buffer;
tg->attrib[i].input_offset = key->element[i].input_offset;
tg->attrib[i].instance_divisor = key->element[i].instance_divisor;
tg->attrib[i].emit = get_emit_func(key->element[i].output_format);
tg->attrib[i].output_offset = key->element[i].output_offset;
}
tg->nr_attrib = key->nr_elements;
return &tg->translate;
}
struct translate *translate_generic_create( const struct translate_key *key )
{
struct translate_generic *tg = CALLOC_STRUCT(translate_generic);
unsigned i;
if (tg == NULL)
return NULL;
tg->translate.key = *key;
tg->translate.release = generic_release;
tg->translate.set_buffer = generic_set_buffer;
tg->translate.run_elts = generic_run_elts;
tg->translate.run_elts16 = generic_run_elts16;
tg->translate.run_elts8 = generic_run_elts8;
tg->translate.run = generic_run;
for (i = 0; i < key->nr_elements; i++) {
const struct util_format_description *format_desc =
util_format_description(key->element[i].input_format);
assert(format_desc);
assert(format_desc->fetch_rgba_float);
tg->attrib[i].type = key->element[i].type;
tg->attrib[i].fetch = format_desc->fetch_rgba_float;
tg->attrib[i].buffer = key->element[i].input_buffer;
tg->attrib[i].input_offset = key->element[i].input_offset;
tg->attrib[i].instance_divisor = key->element[i].instance_divisor;
tg->attrib[i].output_offset = key->element[i].output_offset;
tg->attrib[i].copy_size = -1;
if (tg->attrib[i].type == TRANSLATE_ELEMENT_INSTANCE_ID)
{
if(key->element[i].output_format == PIPE_FORMAT_R32_USCALED
|| key->element[i].output_format == PIPE_FORMAT_R32_SSCALED)
tg->attrib[i].copy_size = 4;
}
else
{
if(key->element[i].input_format == key->element[i].output_format
&& format_desc->block.width == 1
&& format_desc->block.height == 1
&& !(format_desc->block.bits & 7))
tg->attrib[i].copy_size = format_desc->block.bits >> 3;
}
if(tg->attrib[i].copy_size < 0)
tg->attrib[i].emit = get_emit_func(key->element[i].output_format);
else
tg->attrib[i].emit = NULL;
}
tg->nr_attrib = key->nr_elements;
return &tg->translate;
}