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llvmpipe: Allow different signs when unpacking.

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This commit is contained in:
José Fonseca 2009-10-25 09:03:50 +00:00
parent b544ab7299
commit 8d80fd3f55
1 changed files with 1 additions and 2 deletions
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3
src/gallium/drivers/llvmpipe/lp_bld_pack.c
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@ -159,11 +159,10 @@ lp_build_unpack2(LLVMBuilderRef builder,
assert(!src_type.floating);
assert(!dst_type.floating);
assert(dst_type.sign == src_type.sign);
assert(dst_type.width == src_type.width * 2);
assert(dst_type.length * 2 == src_type.length);
if(src_type.sign) {
if(dst_type.sign && src_type.sign) {
/* Replicate the sign bit in the most significant bits */
msb = LLVMBuildAShr(builder, src, lp_build_int_const_scalar(src_type, src_type.width - 1), "");
}