diff options
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_arit.c | 41 | ||||
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_arit.h | 10 |
2 files changed, 50 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c index 54b31befe6d..bbce31f9eb2 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c @@ -614,6 +614,22 @@ lp_build_max(struct lp_build_context *bld, /** + * Generate clamp(a, min, max) + * Do checks for special cases. + */ +LLVMValueRef +lp_build_clamp(struct lp_build_context *bld, + LLVMValueRef a, + LLVMValueRef min, + LLVMValueRef max) +{ + a = lp_build_min(bld, a, max); + a = lp_build_max(bld, a, min); + return a; +} + + +/** * Generate abs(a) */ LLVMValueRef @@ -693,6 +709,29 @@ lp_build_sgn(struct lp_build_context *bld, } +/** + * Convert vector of int to vector of float. + */ +LLVMValueRef +lp_build_int_to_float(struct lp_build_context *bld, + LLVMValueRef a) +{ + const struct lp_type type = bld->type; + + assert(type.floating); + /*assert(lp_check_value(type, a));*/ + + { + LLVMTypeRef vec_type = lp_build_vec_type(type); + /*LLVMTypeRef int_vec_type = lp_build_int_vec_type(type);*/ + LLVMValueRef res; + res = LLVMBuildSIToFP(bld->builder, a, vec_type, ""); + return res; + } +} + + + enum lp_build_round_sse41_mode { LP_BUILD_ROUND_SSE41_NEAREST = 0, @@ -819,7 +858,7 @@ lp_build_ceil(struct lp_build_context *bld, /** * Convert to integer, through whichever rounding method that's fastest, - * typically truncating to zero. + * typically truncating toward zero. */ LLVMValueRef lp_build_itrunc(struct lp_build_context *bld, diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.h b/src/gallium/auxiliary/gallivm/lp_bld_arit.h index 62be4b9aee1..da84b7ca02d 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_arit.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.h @@ -107,6 +107,12 @@ lp_build_max(struct lp_build_context *bld, LLVMValueRef b); LLVMValueRef +lp_build_clamp(struct lp_build_context *bld, + LLVMValueRef a, + LLVMValueRef min, + LLVMValueRef max); + +LLVMValueRef lp_build_abs(struct lp_build_context *bld, LLVMValueRef a); @@ -115,6 +121,10 @@ lp_build_sgn(struct lp_build_context *bld, LLVMValueRef a); LLVMValueRef +lp_build_int_to_float(struct lp_build_context *bld, + LLVMValueRef a); + +LLVMValueRef lp_build_round(struct lp_build_context *bld, LLVMValueRef a); |