diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_conv.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_conv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_conv.c b/src/gallium/drivers/llvmpipe/lp_bld_conv.c index 20c8710214b..1df938529c4 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_conv.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_conv.c @@ -124,6 +124,10 @@ lp_build_clamped_float_to_unsigned_norm(LLVMBuilderRef builder, res = LLVMBuildShl(builder, res, lp_build_int_const_scalar(src_type, shift), ""); /* TODO: Fill in the empty lower bits for additional precision? */ + /* YES: this fixes progs/trivial/tri-z-eq.c. + * Otherwise vertex Z=1.0 values get converted to something like + * 0xfffffb00 and the test for equality with 0xffffffff fails. + */ #if 0 { LLVMValueRef msb; |