diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_swizzle.c | 19 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_swizzle.h | 6 |
2 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c index 3402d4f5d94..5204a851d61 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.c @@ -35,6 +35,25 @@ LLVMValueRef +lp_build_broadcast(LLVMBuilderRef builder, + LLVMTypeRef vec_type, + LLVMValueRef scalar) +{ + const unsigned n = LLVMGetVectorSize(vec_type); + LLVMValueRef res; + unsigned i; + + res = LLVMGetUndef(vec_type); + for(i = 0; i < n; ++i) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); + res = LLVMBuildInsertElement(builder, res, scalar, index, ""); + } + + return res; +} + + +LLVMValueRef lp_build_broadcast_scalar(struct lp_build_context *bld, LLVMValueRef scalar) { diff --git a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h index ceaaabf9ecf..7a4aa883824 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h +++ b/src/gallium/drivers/llvmpipe/lp_bld_swizzle.h @@ -45,6 +45,12 @@ struct lp_build_context; LLVMValueRef +lp_build_broadcast(LLVMBuilderRef builder, + LLVMTypeRef vec_type, + LLVMValueRef scalar); + + +LLVMValueRef lp_build_broadcast_scalar(struct lp_build_context *bld, LLVMValueRef scalar); |