diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_fs.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index f55cfa9a85d..8826d499b47 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -1590,6 +1590,7 @@ convert_from_blend_type(struct gallivm_state *gallivm, for (j = 0; j < src_fmt->nr_channels; ++j) { unsigned mask = 0; unsigned sa = src_fmt->channel[j].shift; + unsigned sz_a = src_fmt->channel[j].size; #if UTIL_ARCH_LITTLE_ENDIAN unsigned from_lsb = j; #else @@ -1618,6 +1619,10 @@ convert_from_blend_type(struct gallivm_state *gallivm, if (src_type.norm) { chans[j] = scale_bits(gallivm, blend_type.width, src_fmt->channel[j].size, chans[j], src_type); + } else if (!src_type.floating && sz_a < blend_type.width) { + LLVMValueRef mask_val = lp_build_const_int_vec(gallivm, src_type, (1UL << sz_a) - 1); + LLVMValueRef mask = LLVMBuildICmp(builder, LLVMIntUGT, chans[j], mask_val, ""); + chans[j] = LLVMBuildSelect(builder, mask, mask_val, chans[j], ""); } /* Insert bits */ |