else {
/* special case' -- 1.0 for normalized types is more easily attained if
* we start with a vector consisting of all bits set */
- LLVMTypeRef vec_type = LLVMVectorType(elem_type, type.length);
+ LLVMTypeRef vec_type = lp_build_vec_type(gallivm, type);
LLVMValueRef vec = LLVMConstAllOnes(vec_type);
#if 0
else {
double dscale = lp_const_scale(type);
- elem = LLVMConstInt(elem_type, round(val*dscale), 0);
+ elem = LLVMConstInt(elem_type, (long long) round(val*dscale), 0);
}
return elem;
const unsigned char *swizzle)
{
const unsigned char default_swizzle[4] = {0, 1, 2, 3};
- LLVMTypeRef elem_type;
LLVMValueRef elems[LP_MAX_VECTOR_LENGTH];
unsigned i;
assert(type.length % 4 == 0);
assert(type.length <= LP_MAX_VECTOR_LENGTH);
- elem_type = lp_build_elem_type(gallivm, type);
+ lp_build_elem_type(gallivm, type);
- if(swizzle == NULL)
+ if (!swizzle)
swizzle = default_swizzle;
elems[swizzle[0]] = lp_build_const_elem(gallivm, type, r);
LLVMValueRef
lp_build_const_mask_aos(struct gallivm_state *gallivm,
struct lp_type type,
- unsigned mask)
+ unsigned mask,
+ unsigned channels)
{
LLVMTypeRef elem_type = LLVMIntTypeInContext(gallivm->context, type.width);
LLVMValueRef masks[LP_MAX_VECTOR_LENGTH];
assert(type.length <= LP_MAX_VECTOR_LENGTH);
- for (j = 0; j < type.length; j += 4) {
- for( i = 0; i < 4; ++i) {
+ for (j = 0; j < type.length; j += channels) {
+ for( i = 0; i < channels; ++i) {
masks[j + i] = LLVMConstInt(elem_type,
mask & (1 << i) ? ~0ULL : 0,
1);
*/
LLVMValueRef
lp_build_const_mask_aos_swizzled(struct gallivm_state *gallivm,
- struct lp_type type,
- unsigned mask,
- const unsigned char *swizzle)
+ struct lp_type type,
+ unsigned mask,
+ unsigned channels,
+ const unsigned char *swizzle)
{
- mask =
- ((mask & (1 << swizzle[0])) >> swizzle[0])
- | (((mask & (1 << swizzle[1])) >> swizzle[1]) << 1)
- | (((mask & (1 << swizzle[2])) >> swizzle[2]) << 2)
- | (((mask & (1 << swizzle[3])) >> swizzle[3]) << 3);
+ unsigned i, mask_swizzled;
+ mask_swizzled = 0;
+
+ for (i = 0; i < channels; ++i) {
+ if (swizzle[i] < 4) {
+ mask_swizzled |= ((mask & (1 << swizzle[i])) >> swizzle[i]) << i;
+ }
+ }
- return lp_build_const_mask_aos(gallivm, type, mask);
+ return lp_build_const_mask_aos(gallivm, type, mask_swizzled, channels);
}